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annotate vakata-jstree-3.3.5/src/jstree.checkbox.js @ 1:32210899a3dd draft

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planemo upload commit 841d8b22bf9f1aaed6bfe8344b60617f45b275b2-dirty
author mingchen0919
date Sun, 30 Dec 2018 12:45:56 -0500
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1
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1 /**
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2 * ### Checkbox plugin
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3 *
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4 * This plugin renders checkbox icons in front of each node, making multiple selection much easier.
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5 * It also supports tri-state behavior, meaning that if a node has a few of its children checked it will be rendered as undetermined, and state will be propagated up.
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6 */
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7 /*globals jQuery, define, exports, require, document */
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8 (function (factory) {
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9 "use strict";
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10 if (typeof define === 'function' && define.amd) {
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11 define('jstree.checkbox', ['jquery','jstree'], factory);
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12 }
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13 else if(typeof exports === 'object') {
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14 factory(require('jquery'), require('jstree'));
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15 }
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16 else {
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17 factory(jQuery, jQuery.jstree);
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18 }
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19 }(function ($, jstree, undefined) {
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20 "use strict";
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21
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22 if($.jstree.plugins.checkbox) { return; }
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23
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24 var _i = document.createElement('I');
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25 _i.className = 'jstree-icon jstree-checkbox';
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26 _i.setAttribute('role', 'presentation');
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27 /**
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28 * stores all defaults for the checkbox plugin
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29 * @name $.jstree.defaults.checkbox
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30 * @plugin checkbox
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31 */
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32 $.jstree.defaults.checkbox = {
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33 /**
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34 * a boolean indicating if checkboxes should be visible (can be changed at a later time using `show_checkboxes()` and `hide_checkboxes`). Defaults to `true`.
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35 * @name $.jstree.defaults.checkbox.visible
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36 * @plugin checkbox
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37 */
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38 visible : true,
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39 /**
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40 * a boolean indicating if checkboxes should cascade down and have an undetermined state. Defaults to `true`.
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41 * @name $.jstree.defaults.checkbox.three_state
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42 * @plugin checkbox
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43 */
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44 three_state : true,
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45 /**
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46 * a boolean indicating if clicking anywhere on the node should act as clicking on the checkbox. Defaults to `true`.
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47 * @name $.jstree.defaults.checkbox.whole_node
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48 * @plugin checkbox
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49 */
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50 whole_node : true,
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51 /**
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52 * a boolean indicating if the selected style of a node should be kept, or removed. Defaults to `true`.
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53 * @name $.jstree.defaults.checkbox.keep_selected_style
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54 * @plugin checkbox
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55 */
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56 keep_selected_style : true,
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57 /**
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58 * This setting controls how cascading and undetermined nodes are applied.
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59 * If 'up' is in the string - cascading up is enabled, if 'down' is in the string - cascading down is enabled, if 'undetermined' is in the string - undetermined nodes will be used.
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60 * If `three_state` is set to `true` this setting is automatically set to 'up+down+undetermined'. Defaults to ''.
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61 * @name $.jstree.defaults.checkbox.cascade
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62 * @plugin checkbox
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63 */
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64 cascade : '',
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65 /**
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66 * This setting controls if checkbox are bound to the general tree selection or to an internal array maintained by the checkbox plugin. Defaults to `true`, only set to `false` if you know exactly what you are doing.
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67 * @name $.jstree.defaults.checkbox.tie_selection
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68 * @plugin checkbox
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69 */
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70 tie_selection : true,
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71
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72 /**
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73 * This setting controls if cascading down affects disabled checkboxes
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74 * @name $.jstree.defaults.checkbox.cascade_to_disabled
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75 * @plugin checkbox
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76 */
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77 cascade_to_disabled : true,
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78
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79 /**
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80 * This setting controls if cascading down affects hidden checkboxes
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81 * @name $.jstree.defaults.checkbox.cascade_to_hidden
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82 * @plugin checkbox
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83 */
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84 cascade_to_hidden : true
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85 };
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86 $.jstree.plugins.checkbox = function (options, parent) {
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87 this.bind = function () {
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88 parent.bind.call(this);
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89 this._data.checkbox.uto = false;
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90 this._data.checkbox.selected = [];
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91 if(this.settings.checkbox.three_state) {
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92 this.settings.checkbox.cascade = 'up+down+undetermined';
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93 }
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94 this.element
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95 .on("init.jstree", $.proxy(function () {
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96 this._data.checkbox.visible = this.settings.checkbox.visible;
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97 if(!this.settings.checkbox.keep_selected_style) {
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98 this.element.addClass('jstree-checkbox-no-clicked');
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99 }
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100 if(this.settings.checkbox.tie_selection) {
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101 this.element.addClass('jstree-checkbox-selection');
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102 }
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103 }, this))
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104 .on("loading.jstree", $.proxy(function () {
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105 this[ this._data.checkbox.visible ? 'show_checkboxes' : 'hide_checkboxes' ]();
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106 }, this));
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107 if(this.settings.checkbox.cascade.indexOf('undetermined') !== -1) {
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108 this.element
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109 .on('changed.jstree uncheck_node.jstree check_node.jstree uncheck_all.jstree check_all.jstree move_node.jstree copy_node.jstree redraw.jstree open_node.jstree', $.proxy(function () {
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110 // only if undetermined is in setting
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111 if(this._data.checkbox.uto) { clearTimeout(this._data.checkbox.uto); }
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112 this._data.checkbox.uto = setTimeout($.proxy(this._undetermined, this), 50);
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113 }, this));
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114 }
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115 if(!this.settings.checkbox.tie_selection) {
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116 this.element
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117 .on('model.jstree', $.proxy(function (e, data) {
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118 var m = this._model.data,
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119 p = m[data.parent],
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120 dpc = data.nodes,
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121 i, j;
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122 for(i = 0, j = dpc.length; i < j; i++) {
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123 m[dpc[i]].state.checked = m[dpc[i]].state.checked || (m[dpc[i]].original && m[dpc[i]].original.state && m[dpc[i]].original.state.checked);
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124 if(m[dpc[i]].state.checked) {
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125 this._data.checkbox.selected.push(dpc[i]);
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126 }
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127 }
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128 }, this));
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129 }
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130 if(this.settings.checkbox.cascade.indexOf('up') !== -1 || this.settings.checkbox.cascade.indexOf('down') !== -1) {
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131 this.element
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132 .on('model.jstree', $.proxy(function (e, data) {
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133 var m = this._model.data,
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134 p = m[data.parent],
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135 dpc = data.nodes,
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136 chd = [],
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137 c, i, j, k, l, tmp, s = this.settings.checkbox.cascade, t = this.settings.checkbox.tie_selection;
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138
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139 if(s.indexOf('down') !== -1) {
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140 // apply down
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141 if(p.state[ t ? 'selected' : 'checked' ]) {
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142 for(i = 0, j = dpc.length; i < j; i++) {
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143 m[dpc[i]].state[ t ? 'selected' : 'checked' ] = true;
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144 }
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145
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146 this._data[ t ? 'core' : 'checkbox' ].selected = this._data[ t ? 'core' : 'checkbox' ].selected.concat(dpc);
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147 }
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148 else {
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149 for(i = 0, j = dpc.length; i < j; i++) {
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150 if(m[dpc[i]].state[ t ? 'selected' : 'checked' ]) {
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151 for(k = 0, l = m[dpc[i]].children_d.length; k < l; k++) {
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152 m[m[dpc[i]].children_d[k]].state[ t ? 'selected' : 'checked' ] = true;
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153 }
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154 this._data[ t ? 'core' : 'checkbox' ].selected = this._data[ t ? 'core' : 'checkbox' ].selected.concat(m[dpc[i]].children_d);
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155 }
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156 }
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157 }
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158 }
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159
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160 if(s.indexOf('up') !== -1) {
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161 // apply up
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162 for(i = 0, j = p.children_d.length; i < j; i++) {
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163 if(!m[p.children_d[i]].children.length) {
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164 chd.push(m[p.children_d[i]].parent);
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165 }
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166 }
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167 chd = $.vakata.array_unique(chd);
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168 for(k = 0, l = chd.length; k < l; k++) {
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169 p = m[chd[k]];
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170 while(p && p.id !== $.jstree.root) {
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171 c = 0;
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172 for(i = 0, j = p.children.length; i < j; i++) {
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173 c += m[p.children[i]].state[ t ? 'selected' : 'checked' ];
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174 }
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175 if(c === j) {
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176 p.state[ t ? 'selected' : 'checked' ] = true;
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177 this._data[ t ? 'core' : 'checkbox' ].selected.push(p.id);
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178 tmp = this.get_node(p, true);
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179 if(tmp && tmp.length) {
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180 tmp.attr('aria-selected', true).children('.jstree-anchor').addClass( t ? 'jstree-clicked' : 'jstree-checked');
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181 }
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182 }
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183 else {
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184 break;
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185 }
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186 p = this.get_node(p.parent);
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187 }
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188 }
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189 }
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190
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191 this._data[ t ? 'core' : 'checkbox' ].selected = $.vakata.array_unique(this._data[ t ? 'core' : 'checkbox' ].selected);
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192 }, this))
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193 .on(this.settings.checkbox.tie_selection ? 'select_node.jstree' : 'check_node.jstree', $.proxy(function (e, data) {
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194 var self = this,
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195 obj = data.node,
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196 m = this._model.data,
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197 par = this.get_node(obj.parent),
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198 i, j, c, tmp, s = this.settings.checkbox.cascade, t = this.settings.checkbox.tie_selection,
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199 sel = {}, cur = this._data[ t ? 'core' : 'checkbox' ].selected;
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200
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201 for (i = 0, j = cur.length; i < j; i++) {
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202 sel[cur[i]] = true;
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203 }
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204
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205 // apply down
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206 if(s.indexOf('down') !== -1) {
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207 //this._data[ t ? 'core' : 'checkbox' ].selected = $.vakata.array_unique(this._data[ t ? 'core' : 'checkbox' ].selected.concat(obj.children_d));
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208 var selectedIds = this._cascade_new_checked_state(obj.id, true);
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209 var temp = obj.children_d.concat(obj.id);
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210 for (i = 0, j = temp.length; i < j; i++) {
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211 if (selectedIds.indexOf(temp[i]) > -1) {
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212 sel[temp[i]] = true;
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213 }
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214 else {
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215 delete sel[temp[i]];
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216 }
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217 }
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218 }
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219
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220 // apply up
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221 if(s.indexOf('up') !== -1) {
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222 while(par && par.id !== $.jstree.root) {
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223 c = 0;
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224 for(i = 0, j = par.children.length; i < j; i++) {
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225 c += m[par.children[i]].state[ t ? 'selected' : 'checked' ];
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226 }
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227 if(c === j) {
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228 par.state[ t ? 'selected' : 'checked' ] = true;
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229 sel[par.id] = true;
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230 //this._data[ t ? 'core' : 'checkbox' ].selected.push(par.id);
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231 tmp = this.get_node(par, true);
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232 if(tmp && tmp.length) {
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233 tmp.attr('aria-selected', true).children('.jstree-anchor').addClass(t ? 'jstree-clicked' : 'jstree-checked');
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234 }
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235 }
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236 else {
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237 break;
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238 }
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239 par = this.get_node(par.parent);
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240 }
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241 }
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242
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243 cur = [];
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244 for (i in sel) {
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245 if (sel.hasOwnProperty(i)) {
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246 cur.push(i);
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247 }
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248 }
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249 this._data[ t ? 'core' : 'checkbox' ].selected = cur;
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250 }, this))
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251 .on(this.settings.checkbox.tie_selection ? 'deselect_all.jstree' : 'uncheck_all.jstree', $.proxy(function (e, data) {
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252 var obj = this.get_node($.jstree.root),
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253 m = this._model.data,
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254 i, j, tmp;
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255 for(i = 0, j = obj.children_d.length; i < j; i++) {
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256 tmp = m[obj.children_d[i]];
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257 if(tmp && tmp.original && tmp.original.state && tmp.original.state.undetermined) {
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258 tmp.original.state.undetermined = false;
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259 }
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260 }
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261 }, this))
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262 .on(this.settings.checkbox.tie_selection ? 'deselect_node.jstree' : 'uncheck_node.jstree', $.proxy(function (e, data) {
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263 var self = this,
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264 obj = data.node,
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265 dom = this.get_node(obj, true),
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266 i, j, tmp, s = this.settings.checkbox.cascade, t = this.settings.checkbox.tie_selection,
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267 cur = this._data[ t ? 'core' : 'checkbox' ].selected, sel = {},
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268 stillSelectedIds = [],
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269 allIds = obj.children_d.concat(obj.id);
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270
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271 // apply down
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272 if(s.indexOf('down') !== -1) {
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273 var selectedIds = this._cascade_new_checked_state(obj.id, false);
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274
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275 cur = cur.filter(function(id) {
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276 return allIds.indexOf(id) === -1 || selectedIds.indexOf(id) > -1;
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277 });
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278 }
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279
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280 // only apply up if cascade up is enabled and if this node is not selected
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281 // (if all child nodes are disabled and cascade_to_disabled === false then this node will till be selected).
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282 if(s.indexOf('up') !== -1 && cur.indexOf(obj.id) === -1) {
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283 for(i = 0, j = obj.parents.length; i < j; i++) {
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284 tmp = this._model.data[obj.parents[i]];
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285 tmp.state[ t ? 'selected' : 'checked' ] = false;
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286 if(tmp && tmp.original && tmp.original.state && tmp.original.state.undetermined) {
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287 tmp.original.state.undetermined = false;
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288 }
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289 tmp = this.get_node(obj.parents[i], true);
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290 if(tmp && tmp.length) {
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291 tmp.attr('aria-selected', false).children('.jstree-anchor').removeClass(t ? 'jstree-clicked' : 'jstree-checked');
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292 }
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293 }
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294
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295 cur = cur.filter(function(id) {
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296 return obj.parents.indexOf(id) === -1;
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297 });
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298 }
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299
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300 this._data[ t ? 'core' : 'checkbox' ].selected = cur;
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301 }, this));
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302 }
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303 if(this.settings.checkbox.cascade.indexOf('up') !== -1) {
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304 this.element
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305 .on('delete_node.jstree', $.proxy(function (e, data) {
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306 // apply up (whole handler)
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307 var p = this.get_node(data.parent),
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308 m = this._model.data,
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309 i, j, c, tmp, t = this.settings.checkbox.tie_selection;
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310 while(p && p.id !== $.jstree.root && !p.state[ t ? 'selected' : 'checked' ]) {
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311 c = 0;
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312 for(i = 0, j = p.children.length; i < j; i++) {
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313 c += m[p.children[i]].state[ t ? 'selected' : 'checked' ];
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314 }
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315 if(j > 0 && c === j) {
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316 p.state[ t ? 'selected' : 'checked' ] = true;
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317 this._data[ t ? 'core' : 'checkbox' ].selected.push(p.id);
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318 tmp = this.get_node(p, true);
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319 if(tmp && tmp.length) {
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320 tmp.attr('aria-selected', true).children('.jstree-anchor').addClass(t ? 'jstree-clicked' : 'jstree-checked');
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321 }
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322 }
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323 else {
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324 break;
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325 }
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326 p = this.get_node(p.parent);
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327 }
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328 }, this))
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329 .on('move_node.jstree', $.proxy(function (e, data) {
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330 // apply up (whole handler)
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331 var is_multi = data.is_multi,
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332 old_par = data.old_parent,
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333 new_par = this.get_node(data.parent),
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334 m = this._model.data,
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335 p, c, i, j, tmp, t = this.settings.checkbox.tie_selection;
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336 if(!is_multi) {
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337 p = this.get_node(old_par);
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338 while(p && p.id !== $.jstree.root && !p.state[ t ? 'selected' : 'checked' ]) {
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339 c = 0;
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340 for(i = 0, j = p.children.length; i < j; i++) {
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341 c += m[p.children[i]].state[ t ? 'selected' : 'checked' ];
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342 }
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343 if(j > 0 && c === j) {
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344 p.state[ t ? 'selected' : 'checked' ] = true;
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345 this._data[ t ? 'core' : 'checkbox' ].selected.push(p.id);
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346 tmp = this.get_node(p, true);
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347 if(tmp && tmp.length) {
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348 tmp.attr('aria-selected', true).children('.jstree-anchor').addClass(t ? 'jstree-clicked' : 'jstree-checked');
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349 }
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350 }
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351 else {
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352 break;
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353 }
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354 p = this.get_node(p.parent);
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355 }
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356 }
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357 p = new_par;
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358 while(p && p.id !== $.jstree.root) {
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359 c = 0;
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360 for(i = 0, j = p.children.length; i < j; i++) {
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361 c += m[p.children[i]].state[ t ? 'selected' : 'checked' ];
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362 }
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363 if(c === j) {
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364 if(!p.state[ t ? 'selected' : 'checked' ]) {
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365 p.state[ t ? 'selected' : 'checked' ] = true;
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366 this._data[ t ? 'core' : 'checkbox' ].selected.push(p.id);
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367 tmp = this.get_node(p, true);
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368 if(tmp && tmp.length) {
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369 tmp.attr('aria-selected', true).children('.jstree-anchor').addClass(t ? 'jstree-clicked' : 'jstree-checked');
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370 }
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371 }
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372 }
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373 else {
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374 if(p.state[ t ? 'selected' : 'checked' ]) {
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375 p.state[ t ? 'selected' : 'checked' ] = false;
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376 this._data[ t ? 'core' : 'checkbox' ].selected = $.vakata.array_remove_item(this._data[ t ? 'core' : 'checkbox' ].selected, p.id);
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377 tmp = this.get_node(p, true);
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378 if(tmp && tmp.length) {
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379 tmp.attr('aria-selected', false).children('.jstree-anchor').removeClass(t ? 'jstree-clicked' : 'jstree-checked');
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380 }
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381 }
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382 else {
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383 break;
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384 }
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385 }
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386 p = this.get_node(p.parent);
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387 }
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388 }, this));
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389 }
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390 };
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391 /**
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392 * get an array of all nodes whose state is "undetermined"
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393 * @name get_undetermined([full])
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394 * @param {boolean} full: if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
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395 * @return {Array}
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396 * @plugin checkbox
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397 */
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398 this.get_undetermined = function (full) {
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399 if (this.settings.checkbox.cascade.indexOf('undetermined') === -1) {
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400 return [];
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401 }
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402 var i, j, k, l, o = {}, m = this._model.data, t = this.settings.checkbox.tie_selection, s = this._data[ t ? 'core' : 'checkbox' ].selected, p = [], tt = this, r = [];
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403 for(i = 0, j = s.length; i < j; i++) {
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404 if(m[s[i]] && m[s[i]].parents) {
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405 for(k = 0, l = m[s[i]].parents.length; k < l; k++) {
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406 if(o[m[s[i]].parents[k]] !== undefined) {
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407 break;
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408 }
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409 if(m[s[i]].parents[k] !== $.jstree.root) {
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410 o[m[s[i]].parents[k]] = true;
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411 p.push(m[s[i]].parents[k]);
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412 }
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413 }
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414 }
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415 }
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416 // attempt for server side undetermined state
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417 this.element.find('.jstree-closed').not(':has(.jstree-children)')
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418 .each(function () {
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419 var tmp = tt.get_node(this), tmp2;
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420
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421 if(!tmp) { return; }
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422
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423 if(!tmp.state.loaded) {
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424 if(tmp.original && tmp.original.state && tmp.original.state.undetermined && tmp.original.state.undetermined === true) {
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425 if(o[tmp.id] === undefined && tmp.id !== $.jstree.root) {
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426 o[tmp.id] = true;
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427 p.push(tmp.id);
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428 }
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429 for(k = 0, l = tmp.parents.length; k < l; k++) {
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430 if(o[tmp.parents[k]] === undefined && tmp.parents[k] !== $.jstree.root) {
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431 o[tmp.parents[k]] = true;
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432 p.push(tmp.parents[k]);
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433 }
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434 }
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435 }
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436 }
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437 else {
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438 for(i = 0, j = tmp.children_d.length; i < j; i++) {
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439 tmp2 = m[tmp.children_d[i]];
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440 if(!tmp2.state.loaded && tmp2.original && tmp2.original.state && tmp2.original.state.undetermined && tmp2.original.state.undetermined === true) {
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441 if(o[tmp2.id] === undefined && tmp2.id !== $.jstree.root) {
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442 o[tmp2.id] = true;
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443 p.push(tmp2.id);
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444 }
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445 for(k = 0, l = tmp2.parents.length; k < l; k++) {
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446 if(o[tmp2.parents[k]] === undefined && tmp2.parents[k] !== $.jstree.root) {
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447 o[tmp2.parents[k]] = true;
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448 p.push(tmp2.parents[k]);
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449 }
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450 }
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451 }
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452 }
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453 }
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454 });
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455 for (i = 0, j = p.length; i < j; i++) {
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456 if(!m[p[i]].state[ t ? 'selected' : 'checked' ]) {
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457 r.push(full ? m[p[i]] : p[i]);
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458 }
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459 }
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460 return r;
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461 };
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462 /**
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463 * set the undetermined state where and if necessary. Used internally.
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464 * @private
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465 * @name _undetermined()
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466 * @plugin checkbox
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467 */
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468 this._undetermined = function () {
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469 if(this.element === null) { return; }
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470 var p = this.get_undetermined(false), i, j, s;
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471
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472 this.element.find('.jstree-undetermined').removeClass('jstree-undetermined');
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473 for (i = 0, j = p.length; i < j; i++) {
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474 s = this.get_node(p[i], true);
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475 if(s && s.length) {
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476 s.children('.jstree-anchor').children('.jstree-checkbox').addClass('jstree-undetermined');
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477 }
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478 }
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479 };
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480 this.redraw_node = function(obj, deep, is_callback, force_render) {
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481 obj = parent.redraw_node.apply(this, arguments);
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482 if(obj) {
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483 var i, j, tmp = null, icon = null;
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484 for(i = 0, j = obj.childNodes.length; i < j; i++) {
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485 if(obj.childNodes[i] && obj.childNodes[i].className && obj.childNodes[i].className.indexOf("jstree-anchor") !== -1) {
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486 tmp = obj.childNodes[i];
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487 break;
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488 }
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489 }
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490 if(tmp) {
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491 if(!this.settings.checkbox.tie_selection && this._model.data[obj.id].state.checked) { tmp.className += ' jstree-checked'; }
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492 icon = _i.cloneNode(false);
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493 if(this._model.data[obj.id].state.checkbox_disabled) { icon.className += ' jstree-checkbox-disabled'; }
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494 tmp.insertBefore(icon, tmp.childNodes[0]);
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495 }
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496 }
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497 if(!is_callback && this.settings.checkbox.cascade.indexOf('undetermined') !== -1) {
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498 if(this._data.checkbox.uto) { clearTimeout(this._data.checkbox.uto); }
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499 this._data.checkbox.uto = setTimeout($.proxy(this._undetermined, this), 50);
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500 }
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501 return obj;
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502 };
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503 /**
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504 * show the node checkbox icons
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505 * @name show_checkboxes()
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506 * @plugin checkbox
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507 */
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508 this.show_checkboxes = function () { this._data.core.themes.checkboxes = true; this.get_container_ul().removeClass("jstree-no-checkboxes"); };
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509 /**
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510 * hide the node checkbox icons
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511 * @name hide_checkboxes()
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512 * @plugin checkbox
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513 */
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514 this.hide_checkboxes = function () { this._data.core.themes.checkboxes = false; this.get_container_ul().addClass("jstree-no-checkboxes"); };
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515 /**
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516 * toggle the node icons
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517 * @name toggle_checkboxes()
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518 * @plugin checkbox
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519 */
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520 this.toggle_checkboxes = function () { if(this._data.core.themes.checkboxes) { this.hide_checkboxes(); } else { this.show_checkboxes(); } };
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521 /**
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522 * checks if a node is in an undetermined state
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523 * @name is_undetermined(obj)
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524 * @param {mixed} obj
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525 * @return {Boolean}
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526 */
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527 this.is_undetermined = function (obj) {
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528 obj = this.get_node(obj);
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529 var s = this.settings.checkbox.cascade, i, j, t = this.settings.checkbox.tie_selection, d = this._data[ t ? 'core' : 'checkbox' ].selected, m = this._model.data;
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530 if(!obj || obj.state[ t ? 'selected' : 'checked' ] === true || s.indexOf('undetermined') === -1 || (s.indexOf('down') === -1 && s.indexOf('up') === -1)) {
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531 return false;
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532 }
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533 if(!obj.state.loaded && obj.original.state.undetermined === true) {
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534 return true;
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535 }
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536 for(i = 0, j = obj.children_d.length; i < j; i++) {
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537 if($.inArray(obj.children_d[i], d) !== -1 || (!m[obj.children_d[i]].state.loaded && m[obj.children_d[i]].original.state.undetermined)) {
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538 return true;
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539 }
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540 }
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541 return false;
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542 };
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543 /**
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544 * disable a node's checkbox
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545 * @name disable_checkbox(obj)
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546 * @param {mixed} obj an array can be used too
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547 * @trigger disable_checkbox.jstree
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548 * @plugin checkbox
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549 */
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550 this.disable_checkbox = function (obj) {
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551 var t1, t2, dom;
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552 if($.isArray(obj)) {
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553 obj = obj.slice();
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554 for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
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555 this.disable_checkbox(obj[t1]);
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556 }
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557 return true;
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558 }
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559 obj = this.get_node(obj);
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560 if(!obj || obj.id === $.jstree.root) {
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561 return false;
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562 }
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563 dom = this.get_node(obj, true);
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564 if(!obj.state.checkbox_disabled) {
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565 obj.state.checkbox_disabled = true;
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566 if(dom && dom.length) {
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567 dom.children('.jstree-anchor').children('.jstree-checkbox').addClass('jstree-checkbox-disabled');
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568 }
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569 /**
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570 * triggered when an node's checkbox is disabled
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571 * @event
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572 * @name disable_checkbox.jstree
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573 * @param {Object} node
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574 * @plugin checkbox
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575 */
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576 this.trigger('disable_checkbox', { 'node' : obj });
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577 }
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578 };
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579 /**
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580 * enable a node's checkbox
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581 * @name disable_checkbox(obj)
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582 * @param {mixed} obj an array can be used too
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583 * @trigger enable_checkbox.jstree
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584 * @plugin checkbox
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585 */
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586 this.enable_checkbox = function (obj) {
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587 var t1, t2, dom;
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588 if($.isArray(obj)) {
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589 obj = obj.slice();
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590 for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
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591 this.enable_checkbox(obj[t1]);
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592 }
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593 return true;
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594 }
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595 obj = this.get_node(obj);
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596 if(!obj || obj.id === $.jstree.root) {
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597 return false;
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598 }
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599 dom = this.get_node(obj, true);
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600 if(obj.state.checkbox_disabled) {
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601 obj.state.checkbox_disabled = false;
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602 if(dom && dom.length) {
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603 dom.children('.jstree-anchor').children('.jstree-checkbox').removeClass('jstree-checkbox-disabled');
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604 }
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605 /**
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606 * triggered when an node's checkbox is enabled
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607 * @event
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608 * @name enable_checkbox.jstree
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609 * @param {Object} node
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610 * @plugin checkbox
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611 */
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612 this.trigger('enable_checkbox', { 'node' : obj });
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613 }
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614 };
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615
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616 this.activate_node = function (obj, e) {
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617 if($(e.target).hasClass('jstree-checkbox-disabled')) {
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618 return false;
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619 }
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620 if(this.settings.checkbox.tie_selection && (this.settings.checkbox.whole_node || $(e.target).hasClass('jstree-checkbox'))) {
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621 e.ctrlKey = true;
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622 }
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623 if(this.settings.checkbox.tie_selection || (!this.settings.checkbox.whole_node && !$(e.target).hasClass('jstree-checkbox'))) {
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624 return parent.activate_node.call(this, obj, e);
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625 }
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626 if(this.is_disabled(obj)) {
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627 return false;
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628 }
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629 if(this.is_checked(obj)) {
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630 this.uncheck_node(obj, e);
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631 }
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632 else {
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633 this.check_node(obj, e);
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634 }
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635 this.trigger('activate_node', { 'node' : this.get_node(obj) });
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636 };
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637
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638 /**
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639 * Cascades checked state to a node and all its descendants. This function does NOT affect hidden and disabled nodes (or their descendants).
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640 * However if these unaffected nodes are already selected their ids will be included in the returned array.
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641 * @private
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642 * @param {string} id the node ID
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643 * @param {bool} checkedState should the nodes be checked or not
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644 * @returns {Array} Array of all node id's (in this tree branch) that are checked.
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645 */
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646 this._cascade_new_checked_state = function (id, checkedState) {
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647 var self = this;
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648 var t = this.settings.checkbox.tie_selection;
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649 var node = this._model.data[id];
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650 var selectedNodeIds = [];
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651 var selectedChildrenIds = [], i, j, selectedChildIds;
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652
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653 if (
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654 (this.settings.checkbox.cascade_to_disabled || !node.state.disabled) &&
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655 (this.settings.checkbox.cascade_to_hidden || !node.state.hidden)
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656 ) {
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657 //First try and check/uncheck the children
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658 if (node.children) {
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659 for (i = 0, j = node.children.length; i < j; i++) {
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660 var childId = node.children[i];
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661 selectedChildIds = self._cascade_new_checked_state(childId, checkedState);
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662 selectedNodeIds = selectedNodeIds.concat(selectedChildIds);
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663 if (selectedChildIds.indexOf(childId) > -1) {
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664 selectedChildrenIds.push(childId);
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665 }
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666 }
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667 }
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668
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669 var dom = self.get_node(node, true);
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670
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671 //A node's state is undetermined if some but not all of it's children are checked/selected .
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672 var undetermined = selectedChildrenIds.length > 0 && selectedChildrenIds.length < node.children.length;
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673
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674 if(node.original && node.original.state && node.original.state.undetermined) {
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675 node.original.state.undetermined = undetermined;
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676 }
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677
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678 //If a node is undetermined then remove selected class
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679 if (undetermined) {
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680 node.state[ t ? 'selected' : 'checked' ] = false;
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681 dom.attr('aria-selected', false).children('.jstree-anchor').removeClass(t ? 'jstree-clicked' : 'jstree-checked');
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682 }
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683 //Otherwise, if the checkedState === true (i.e. the node is being checked now) and all of the node's children are checked (if it has any children),
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684 //check the node and style it correctly.
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685 else if (checkedState && selectedChildrenIds.length === node.children.length) {
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686 node.state[ t ? 'selected' : 'checked' ] = checkedState;
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687 selectedNodeIds.push(node.id);
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688
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689 dom.attr('aria-selected', true).children('.jstree-anchor').addClass(t ? 'jstree-clicked' : 'jstree-checked');
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690 }
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691 else {
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692 node.state[ t ? 'selected' : 'checked' ] = false;
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693 dom.attr('aria-selected', false).children('.jstree-anchor').removeClass(t ? 'jstree-clicked' : 'jstree-checked');
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694 }
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695 }
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696 else {
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697 selectedChildIds = this.get_checked_descendants(id);
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698
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699 if (node.state[ t ? 'selected' : 'checked' ]) {
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700 selectedChildIds.push(node.id);
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701 }
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702
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703 selectedNodeIds = selectedNodeIds.concat(selectedChildIds);
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704 }
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705
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706 return selectedNodeIds;
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707 };
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708
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709 /**
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710 * Gets ids of nodes selected in branch (of tree) specified by id (does not include the node specified by id)
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711 * @name get_checked_descendants(obj)
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712 * @param {string} id the node ID
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713 * @return {Array} array of IDs
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714 * @plugin checkbox
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715 */
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716 this.get_checked_descendants = function (id) {
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717 var self = this;
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718 var t = self.settings.checkbox.tie_selection;
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719 var node = self._model.data[id];
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720
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721 return node.children_d.filter(function(_id) {
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722 return self._model.data[_id].state[ t ? 'selected' : 'checked' ];
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723 });
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724 };
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725
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726 /**
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727 * check a node (only if tie_selection in checkbox settings is false, otherwise select_node will be called internally)
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728 * @name check_node(obj)
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729 * @param {mixed} obj an array can be used to check multiple nodes
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730 * @trigger check_node.jstree
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731 * @plugin checkbox
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732 */
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733 this.check_node = function (obj, e) {
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734 if(this.settings.checkbox.tie_selection) { return this.select_node(obj, false, true, e); }
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735 var dom, t1, t2, th;
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736 if($.isArray(obj)) {
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737 obj = obj.slice();
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738 for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
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739 this.check_node(obj[t1], e);
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740 }
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741 return true;
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742 }
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743 obj = this.get_node(obj);
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744 if(!obj || obj.id === $.jstree.root) {
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745 return false;
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746 }
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747 dom = this.get_node(obj, true);
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748 if(!obj.state.checked) {
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749 obj.state.checked = true;
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750 this._data.checkbox.selected.push(obj.id);
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751 if(dom && dom.length) {
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752 dom.children('.jstree-anchor').addClass('jstree-checked');
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753 }
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754 /**
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755 * triggered when an node is checked (only if tie_selection in checkbox settings is false)
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756 * @event
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757 * @name check_node.jstree
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758 * @param {Object} node
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759 * @param {Array} selected the current selection
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760 * @param {Object} event the event (if any) that triggered this check_node
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761 * @plugin checkbox
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762 */
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763 this.trigger('check_node', { 'node' : obj, 'selected' : this._data.checkbox.selected, 'event' : e });
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764 }
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765 };
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766 /**
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767 * uncheck a node (only if tie_selection in checkbox settings is false, otherwise deselect_node will be called internally)
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768 * @name uncheck_node(obj)
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769 * @param {mixed} obj an array can be used to uncheck multiple nodes
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770 * @trigger uncheck_node.jstree
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771 * @plugin checkbox
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772 */
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773 this.uncheck_node = function (obj, e) {
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774 if(this.settings.checkbox.tie_selection) { return this.deselect_node(obj, false, e); }
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775 var t1, t2, dom;
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776 if($.isArray(obj)) {
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777 obj = obj.slice();
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778 for(t1 = 0, t2 = obj.length; t1 < t2; t1++) {
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779 this.uncheck_node(obj[t1], e);
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780 }
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781 return true;
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782 }
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783 obj = this.get_node(obj);
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784 if(!obj || obj.id === $.jstree.root) {
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785 return false;
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786 }
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787 dom = this.get_node(obj, true);
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788 if(obj.state.checked) {
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789 obj.state.checked = false;
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790 this._data.checkbox.selected = $.vakata.array_remove_item(this._data.checkbox.selected, obj.id);
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791 if(dom.length) {
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792 dom.children('.jstree-anchor').removeClass('jstree-checked');
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793 }
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794 /**
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795 * triggered when an node is unchecked (only if tie_selection in checkbox settings is false)
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796 * @event
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797 * @name uncheck_node.jstree
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798 * @param {Object} node
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799 * @param {Array} selected the current selection
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800 * @param {Object} event the event (if any) that triggered this uncheck_node
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801 * @plugin checkbox
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802 */
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803 this.trigger('uncheck_node', { 'node' : obj, 'selected' : this._data.checkbox.selected, 'event' : e });
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804 }
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805 };
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806
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807 /**
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808 * checks all nodes in the tree (only if tie_selection in checkbox settings is false, otherwise select_all will be called internally)
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809 * @name check_all()
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810 * @trigger check_all.jstree, changed.jstree
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811 * @plugin checkbox
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812 */
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813 this.check_all = function () {
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814 if(this.settings.checkbox.tie_selection) { return this.select_all(); }
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815 var tmp = this._data.checkbox.selected.concat([]), i, j;
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816 this._data.checkbox.selected = this._model.data[$.jstree.root].children_d.concat();
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817 for(i = 0, j = this._data.checkbox.selected.length; i < j; i++) {
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818 if(this._model.data[this._data.checkbox.selected[i]]) {
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819 this._model.data[this._data.checkbox.selected[i]].state.checked = true;
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820 }
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821 }
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822 this.redraw(true);
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823 /**
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824 * triggered when all nodes are checked (only if tie_selection in checkbox settings is false)
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825 * @event
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826 * @name check_all.jstree
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827 * @param {Array} selected the current selection
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828 * @plugin checkbox
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829 */
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830 this.trigger('check_all', { 'selected' : this._data.checkbox.selected });
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831 };
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832 /**
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833 * uncheck all checked nodes (only if tie_selection in checkbox settings is false, otherwise deselect_all will be called internally)
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834 * @name uncheck_all()
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835 * @trigger uncheck_all.jstree
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836 * @plugin checkbox
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837 */
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838 this.uncheck_all = function () {
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839 if(this.settings.checkbox.tie_selection) { return this.deselect_all(); }
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840 var tmp = this._data.checkbox.selected.concat([]), i, j;
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841 for(i = 0, j = this._data.checkbox.selected.length; i < j; i++) {
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842 if(this._model.data[this._data.checkbox.selected[i]]) {
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843 this._model.data[this._data.checkbox.selected[i]].state.checked = false;
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844 }
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845 }
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846 this._data.checkbox.selected = [];
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847 this.element.find('.jstree-checked').removeClass('jstree-checked');
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848 /**
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849 * triggered when all nodes are unchecked (only if tie_selection in checkbox settings is false)
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850 * @event
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851 * @name uncheck_all.jstree
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852 * @param {Object} node the previous selection
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853 * @param {Array} selected the current selection
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854 * @plugin checkbox
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855 */
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856 this.trigger('uncheck_all', { 'selected' : this._data.checkbox.selected, 'node' : tmp });
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857 };
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858 /**
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859 * checks if a node is checked (if tie_selection is on in the settings this function will return the same as is_selected)
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860 * @name is_checked(obj)
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861 * @param {mixed} obj
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862 * @return {Boolean}
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863 * @plugin checkbox
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864 */
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865 this.is_checked = function (obj) {
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866 if(this.settings.checkbox.tie_selection) { return this.is_selected(obj); }
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867 obj = this.get_node(obj);
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868 if(!obj || obj.id === $.jstree.root) { return false; }
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869 return obj.state.checked;
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870 };
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871 /**
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872 * get an array of all checked nodes (if tie_selection is on in the settings this function will return the same as get_selected)
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873 * @name get_checked([full])
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874 * @param {mixed} full if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
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875 * @return {Array}
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876 * @plugin checkbox
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877 */
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878 this.get_checked = function (full) {
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879 if(this.settings.checkbox.tie_selection) { return this.get_selected(full); }
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880 return full ? $.map(this._data.checkbox.selected, $.proxy(function (i) { return this.get_node(i); }, this)) : this._data.checkbox.selected;
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881 };
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882 /**
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883 * get an array of all top level checked nodes (ignoring children of checked nodes) (if tie_selection is on in the settings this function will return the same as get_top_selected)
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884 * @name get_top_checked([full])
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885 * @param {mixed} full if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
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886 * @return {Array}
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887 * @plugin checkbox
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888 */
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889 this.get_top_checked = function (full) {
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890 if(this.settings.checkbox.tie_selection) { return this.get_top_selected(full); }
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891 var tmp = this.get_checked(true),
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892 obj = {}, i, j, k, l;
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893 for(i = 0, j = tmp.length; i < j; i++) {
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894 obj[tmp[i].id] = tmp[i];
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895 }
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896 for(i = 0, j = tmp.length; i < j; i++) {
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897 for(k = 0, l = tmp[i].children_d.length; k < l; k++) {
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898 if(obj[tmp[i].children_d[k]]) {
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899 delete obj[tmp[i].children_d[k]];
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900 }
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901 }
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902 }
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903 tmp = [];
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904 for(i in obj) {
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905 if(obj.hasOwnProperty(i)) {
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906 tmp.push(i);
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907 }
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908 }
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909 return full ? $.map(tmp, $.proxy(function (i) { return this.get_node(i); }, this)) : tmp;
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910 };
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911 /**
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912 * get an array of all bottom level checked nodes (ignoring selected parents) (if tie_selection is on in the settings this function will return the same as get_bottom_selected)
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913 * @name get_bottom_checked([full])
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914 * @param {mixed} full if set to `true` the returned array will consist of the full node objects, otherwise - only IDs will be returned
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915 * @return {Array}
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916 * @plugin checkbox
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917 */
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918 this.get_bottom_checked = function (full) {
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919 if(this.settings.checkbox.tie_selection) { return this.get_bottom_selected(full); }
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920 var tmp = this.get_checked(true),
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921 obj = [], i, j;
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922 for(i = 0, j = tmp.length; i < j; i++) {
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923 if(!tmp[i].children.length) {
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924 obj.push(tmp[i].id);
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925 }
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926 }
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927 return full ? $.map(obj, $.proxy(function (i) { return this.get_node(i); }, this)) : obj;
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928 };
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929 this.load_node = function (obj, callback) {
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930 var k, l, i, j, c, tmp;
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931 if(!$.isArray(obj) && !this.settings.checkbox.tie_selection) {
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932 tmp = this.get_node(obj);
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933 if(tmp && tmp.state.loaded) {
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934 for(k = 0, l = tmp.children_d.length; k < l; k++) {
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935 if(this._model.data[tmp.children_d[k]].state.checked) {
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936 c = true;
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937 this._data.checkbox.selected = $.vakata.array_remove_item(this._data.checkbox.selected, tmp.children_d[k]);
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938 }
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939 }
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940 }
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941 }
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942 return parent.load_node.apply(this, arguments);
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943 };
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944 this.get_state = function () {
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945 var state = parent.get_state.apply(this, arguments);
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946 if(this.settings.checkbox.tie_selection) { return state; }
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947 state.checkbox = this._data.checkbox.selected.slice();
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948 return state;
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949 };
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950 this.set_state = function (state, callback) {
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951 var res = parent.set_state.apply(this, arguments);
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952 if(res && state.checkbox) {
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953 if(!this.settings.checkbox.tie_selection) {
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954 this.uncheck_all();
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955 var _this = this;
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956 $.each(state.checkbox, function (i, v) {
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957 _this.check_node(v);
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958 });
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959 }
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960 delete state.checkbox;
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961 this.set_state(state, callback);
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962 return false;
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963 }
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964 return res;
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965 };
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966 this.refresh = function (skip_loading, forget_state) {
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967 if(!this.settings.checkbox.tie_selection) {
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968 this._data.checkbox.selected = [];
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969 }
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970 return parent.refresh.apply(this, arguments);
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971 };
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972 };
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973
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974 // include the checkbox plugin by default
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975 // $.jstree.defaults.plugins.push("checkbox");
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976 }));