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annotate vakata-jstree-3.3.5/src/jstree.search.js @ 1:fd547674f29f draft

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planemo upload commit 004a320fc0619c234164b44c64ba5dce205734e1-dirty
author mingchen0919
date Thu, 13 Dec 2018 23:10:32 -0500
parents 803f4888f36a
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1 /**
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2 * ### Search plugin
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3 *
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4 * Adds search functionality to jsTree.
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5 */
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6 /*globals jQuery, define, exports, require, document */
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7 (function (factory) {
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8 "use strict";
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9 if (typeof define === 'function' && define.amd) {
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10 define('jstree.search', ['jquery','jstree'], factory);
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11 }
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12 else if(typeof exports === 'object') {
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13 factory(require('jquery'), require('jstree'));
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14 }
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15 else {
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16 factory(jQuery, jQuery.jstree);
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17 }
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18 }(function ($, jstree, undefined) {
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19 "use strict";
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20
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21 if($.jstree.plugins.search) { return; }
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22
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23 /**
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24 * stores all defaults for the search plugin
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25 * @name $.jstree.defaults.search
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26 * @plugin search
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27 */
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28 $.jstree.defaults.search = {
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29 /**
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30 * a jQuery-like AJAX config, which jstree uses if a server should be queried for results.
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31 *
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32 * A `str` (which is the search string) parameter will be added with the request, an optional `inside` parameter will be added if the search is limited to a node id. The expected result is a JSON array with nodes that need to be opened so that matching nodes will be revealed.
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33 * Leave this setting as `false` to not query the server. You can also set this to a function, which will be invoked in the instance's scope and receive 3 parameters - the search string, the callback to call with the array of nodes to load, and the optional node ID to limit the search to
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34 * @name $.jstree.defaults.search.ajax
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35 * @plugin search
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36 */
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37 ajax : false,
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38 /**
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39 * Indicates if the search should be fuzzy or not (should `chnd3` match `child node 3`). Default is `false`.
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40 * @name $.jstree.defaults.search.fuzzy
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41 * @plugin search
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42 */
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43 fuzzy : false,
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44 /**
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45 * Indicates if the search should be case sensitive. Default is `false`.
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46 * @name $.jstree.defaults.search.case_sensitive
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47 * @plugin search
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48 */
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49 case_sensitive : false,
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50 /**
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51 * Indicates if the tree should be filtered (by default) to show only matching nodes (keep in mind this can be a heavy on large trees in old browsers).
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52 * This setting can be changed at runtime when calling the search method. Default is `false`.
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53 * @name $.jstree.defaults.search.show_only_matches
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54 * @plugin search
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55 */
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56 show_only_matches : false,
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57 /**
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58 * Indicates if the children of matched element are shown (when show_only_matches is true)
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59 * This setting can be changed at runtime when calling the search method. Default is `false`.
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60 * @name $.jstree.defaults.search.show_only_matches_children
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61 * @plugin search
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62 */
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63 show_only_matches_children : false,
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64 /**
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65 * Indicates if all nodes opened to reveal the search result, should be closed when the search is cleared or a new search is performed. Default is `true`.
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66 * @name $.jstree.defaults.search.close_opened_onclear
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67 * @plugin search
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68 */
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69 close_opened_onclear : true,
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70 /**
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71 * Indicates if only leaf nodes should be included in search results. Default is `false`.
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72 * @name $.jstree.defaults.search.search_leaves_only
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73 * @plugin search
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74 */
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75 search_leaves_only : false,
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76 /**
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77 * If set to a function it wil be called in the instance's scope with two arguments - search string and node (where node will be every node in the structure, so use with caution).
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78 * If the function returns a truthy value the node will be considered a match (it might not be displayed if search_only_leaves is set to true and the node is not a leaf). Default is `false`.
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79 * @name $.jstree.defaults.search.search_callback
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80 * @plugin search
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81 */
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82 search_callback : false
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83 };
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84
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85 $.jstree.plugins.search = function (options, parent) {
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86 this.bind = function () {
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87 parent.bind.call(this);
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88
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89 this._data.search.str = "";
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90 this._data.search.dom = $();
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91 this._data.search.res = [];
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92 this._data.search.opn = [];
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93 this._data.search.som = false;
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94 this._data.search.smc = false;
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95 this._data.search.hdn = [];
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96
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97 this.element
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98 .on("search.jstree", $.proxy(function (e, data) {
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99 if(this._data.search.som && data.res.length) {
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100 var m = this._model.data, i, j, p = [], k, l;
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101 for(i = 0, j = data.res.length; i < j; i++) {
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102 if(m[data.res[i]] && !m[data.res[i]].state.hidden) {
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103 p.push(data.res[i]);
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104 p = p.concat(m[data.res[i]].parents);
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105 if(this._data.search.smc) {
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106 for (k = 0, l = m[data.res[i]].children_d.length; k < l; k++) {
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107 if (m[m[data.res[i]].children_d[k]] && !m[m[data.res[i]].children_d[k]].state.hidden) {
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108 p.push(m[data.res[i]].children_d[k]);
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109 }
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110 }
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111 }
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112 }
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113 }
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114 p = $.vakata.array_remove_item($.vakata.array_unique(p), $.jstree.root);
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115 this._data.search.hdn = this.hide_all(true);
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116 this.show_node(p, true);
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117 this.redraw(true);
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118 }
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119 }, this))
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120 .on("clear_search.jstree", $.proxy(function (e, data) {
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121 if(this._data.search.som && data.res.length) {
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122 this.show_node(this._data.search.hdn, true);
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123 this.redraw(true);
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124 }
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125 }, this));
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126 };
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127 /**
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128 * used to search the tree nodes for a given string
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129 * @name search(str [, skip_async])
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130 * @param {String} str the search string
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131 * @param {Boolean} skip_async if set to true server will not be queried even if configured
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132 * @param {Boolean} show_only_matches if set to true only matching nodes will be shown (keep in mind this can be very slow on large trees or old browsers)
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133 * @param {mixed} inside an optional node to whose children to limit the search
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134 * @param {Boolean} append if set to true the results of this search are appended to the previous search
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135 * @plugin search
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136 * @trigger search.jstree
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137 */
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138 this.search = function (str, skip_async, show_only_matches, inside, append, show_only_matches_children) {
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139 if(str === false || $.trim(str.toString()) === "") {
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140 return this.clear_search();
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141 }
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142 inside = this.get_node(inside);
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143 inside = inside && inside.id ? inside.id : null;
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144 str = str.toString();
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145 var s = this.settings.search,
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146 a = s.ajax ? s.ajax : false,
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147 m = this._model.data,
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148 f = null,
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149 r = [],
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150 p = [], i, j;
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151 if(this._data.search.res.length && !append) {
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152 this.clear_search();
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153 }
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154 if(show_only_matches === undefined) {
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155 show_only_matches = s.show_only_matches;
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156 }
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157 if(show_only_matches_children === undefined) {
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158 show_only_matches_children = s.show_only_matches_children;
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159 }
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160 if(!skip_async && a !== false) {
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161 if($.isFunction(a)) {
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162 return a.call(this, str, $.proxy(function (d) {
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163 if(d && d.d) { d = d.d; }
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164 this._load_nodes(!$.isArray(d) ? [] : $.vakata.array_unique(d), function () {
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165 this.search(str, true, show_only_matches, inside, append, show_only_matches_children);
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166 });
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167 }, this), inside);
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168 }
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169 else {
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170 a = $.extend({}, a);
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171 if(!a.data) { a.data = {}; }
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172 a.data.str = str;
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173 if(inside) {
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174 a.data.inside = inside;
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175 }
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176 if (this._data.search.lastRequest) {
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177 this._data.search.lastRequest.abort();
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178 }
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179 this._data.search.lastRequest = $.ajax(a)
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180 .fail($.proxy(function () {
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181 this._data.core.last_error = { 'error' : 'ajax', 'plugin' : 'search', 'id' : 'search_01', 'reason' : 'Could not load search parents', 'data' : JSON.stringify(a) };
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182 this.settings.core.error.call(this, this._data.core.last_error);
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183 }, this))
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184 .done($.proxy(function (d) {
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185 if(d && d.d) { d = d.d; }
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186 this._load_nodes(!$.isArray(d) ? [] : $.vakata.array_unique(d), function () {
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187 this.search(str, true, show_only_matches, inside, append, show_only_matches_children);
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188 });
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189 }, this));
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190 return this._data.search.lastRequest;
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191 }
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192 }
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193 if(!append) {
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194 this._data.search.str = str;
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195 this._data.search.dom = $();
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196 this._data.search.res = [];
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197 this._data.search.opn = [];
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198 this._data.search.som = show_only_matches;
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199 this._data.search.smc = show_only_matches_children;
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200 }
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201
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202 f = new $.vakata.search(str, true, { caseSensitive : s.case_sensitive, fuzzy : s.fuzzy });
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203 $.each(m[inside ? inside : $.jstree.root].children_d, function (ii, i) {
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204 var v = m[i];
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205 if(v.text && !v.state.hidden && (!s.search_leaves_only || (v.state.loaded && v.children.length === 0)) && ( (s.search_callback && s.search_callback.call(this, str, v)) || (!s.search_callback && f.search(v.text).isMatch) ) ) {
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206 r.push(i);
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207 p = p.concat(v.parents);
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208 }
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209 });
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210 if(r.length) {
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211 p = $.vakata.array_unique(p);
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212 for(i = 0, j = p.length; i < j; i++) {
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213 if(p[i] !== $.jstree.root && m[p[i]] && this.open_node(p[i], null, 0) === true) {
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214 this._data.search.opn.push(p[i]);
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215 }
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216 }
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217 if(!append) {
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218 this._data.search.dom = $(this.element[0].querySelectorAll('#' + $.map(r, function (v) { return "0123456789".indexOf(v[0]) !== -1 ? '\\3' + v[0] + ' ' + v.substr(1).replace($.jstree.idregex,'\\$&') : v.replace($.jstree.idregex,'\\$&'); }).join(', #')));
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219 this._data.search.res = r;
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220 }
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221 else {
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222 this._data.search.dom = this._data.search.dom.add($(this.element[0].querySelectorAll('#' + $.map(r, function (v) { return "0123456789".indexOf(v[0]) !== -1 ? '\\3' + v[0] + ' ' + v.substr(1).replace($.jstree.idregex,'\\$&') : v.replace($.jstree.idregex,'\\$&'); }).join(', #'))));
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223 this._data.search.res = $.vakata.array_unique(this._data.search.res.concat(r));
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224 }
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225 this._data.search.dom.children(".jstree-anchor").addClass('jstree-search');
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226 }
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227 /**
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228 * triggered after search is complete
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229 * @event
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230 * @name search.jstree
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231 * @param {jQuery} nodes a jQuery collection of matching nodes
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232 * @param {String} str the search string
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233 * @param {Array} res a collection of objects represeing the matching nodes
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234 * @plugin search
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235 */
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236 this.trigger('search', { nodes : this._data.search.dom, str : str, res : this._data.search.res, show_only_matches : show_only_matches });
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237 };
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238 /**
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239 * used to clear the last search (removes classes and shows all nodes if filtering is on)
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240 * @name clear_search()
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241 * @plugin search
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242 * @trigger clear_search.jstree
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243 */
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244 this.clear_search = function () {
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245 if(this.settings.search.close_opened_onclear) {
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246 this.close_node(this._data.search.opn, 0);
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247 }
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248 /**
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249 * triggered after search is complete
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250 * @event
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251 * @name clear_search.jstree
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252 * @param {jQuery} nodes a jQuery collection of matching nodes (the result from the last search)
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253 * @param {String} str the search string (the last search string)
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254 * @param {Array} res a collection of objects represeing the matching nodes (the result from the last search)
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255 * @plugin search
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256 */
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257 this.trigger('clear_search', { 'nodes' : this._data.search.dom, str : this._data.search.str, res : this._data.search.res });
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258 if(this._data.search.res.length) {
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259 this._data.search.dom = $(this.element[0].querySelectorAll('#' + $.map(this._data.search.res, function (v) {
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260 return "0123456789".indexOf(v[0]) !== -1 ? '\\3' + v[0] + ' ' + v.substr(1).replace($.jstree.idregex,'\\$&') : v.replace($.jstree.idregex,'\\$&');
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261 }).join(', #')));
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262 this._data.search.dom.children(".jstree-anchor").removeClass("jstree-search");
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263 }
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264 this._data.search.str = "";
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265 this._data.search.res = [];
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266 this._data.search.opn = [];
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267 this._data.search.dom = $();
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268 };
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269
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270 this.redraw_node = function(obj, deep, callback, force_render) {
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271 obj = parent.redraw_node.apply(this, arguments);
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272 if(obj) {
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273 if($.inArray(obj.id, this._data.search.res) !== -1) {
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274 var i, j, tmp = null;
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275 for(i = 0, j = obj.childNodes.length; i < j; i++) {
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276 if(obj.childNodes[i] && obj.childNodes[i].className && obj.childNodes[i].className.indexOf("jstree-anchor") !== -1) {
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277 tmp = obj.childNodes[i];
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278 break;
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279 }
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280 }
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281 if(tmp) {
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282 tmp.className += ' jstree-search';
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283 }
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284 }
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285 }
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286 return obj;
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287 };
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288 };
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289
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290 // helpers
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291 (function ($) {
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292 // from http://kiro.me/projects/fuse.html
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293 $.vakata.search = function(pattern, txt, options) {
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294 options = options || {};
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295 options = $.extend({}, $.vakata.search.defaults, options);
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296 if(options.fuzzy !== false) {
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297 options.fuzzy = true;
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298 }
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299 pattern = options.caseSensitive ? pattern : pattern.toLowerCase();
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300 var MATCH_LOCATION = options.location,
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301 MATCH_DISTANCE = options.distance,
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302 MATCH_THRESHOLD = options.threshold,
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303 patternLen = pattern.length,
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304 matchmask, pattern_alphabet, match_bitapScore, search;
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305 if(patternLen > 32) {
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306 options.fuzzy = false;
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307 }
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308 if(options.fuzzy) {
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309 matchmask = 1 << (patternLen - 1);
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310 pattern_alphabet = (function () {
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311 var mask = {},
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312 i = 0;
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313 for (i = 0; i < patternLen; i++) {
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314 mask[pattern.charAt(i)] = 0;
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315 }
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316 for (i = 0; i < patternLen; i++) {
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317 mask[pattern.charAt(i)] |= 1 << (patternLen - i - 1);
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318 }
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319 return mask;
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320 }());
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321 match_bitapScore = function (e, x) {
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322 var accuracy = e / patternLen,
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323 proximity = Math.abs(MATCH_LOCATION - x);
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324 if(!MATCH_DISTANCE) {
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325 return proximity ? 1.0 : accuracy;
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326 }
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327 return accuracy + (proximity / MATCH_DISTANCE);
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328 };
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329 }
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330 search = function (text) {
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331 text = options.caseSensitive ? text : text.toLowerCase();
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332 if(pattern === text || text.indexOf(pattern) !== -1) {
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333 return {
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334 isMatch: true,
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335 score: 0
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336 };
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337 }
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338 if(!options.fuzzy) {
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339 return {
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340 isMatch: false,
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341 score: 1
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342 };
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343 }
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344 var i, j,
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345 textLen = text.length,
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346 scoreThreshold = MATCH_THRESHOLD,
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347 bestLoc = text.indexOf(pattern, MATCH_LOCATION),
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348 binMin, binMid,
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349 binMax = patternLen + textLen,
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350 lastRd, start, finish, rd, charMatch,
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351 score = 1,
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352 locations = [];
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353 if (bestLoc !== -1) {
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354 scoreThreshold = Math.min(match_bitapScore(0, bestLoc), scoreThreshold);
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355 bestLoc = text.lastIndexOf(pattern, MATCH_LOCATION + patternLen);
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356 if (bestLoc !== -1) {
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357 scoreThreshold = Math.min(match_bitapScore(0, bestLoc), scoreThreshold);
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358 }
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359 }
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360 bestLoc = -1;
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361 for (i = 0; i < patternLen; i++) {
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362 binMin = 0;
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363 binMid = binMax;
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364 while (binMin < binMid) {
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365 if (match_bitapScore(i, MATCH_LOCATION + binMid) <= scoreThreshold) {
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366 binMin = binMid;
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367 } else {
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368 binMax = binMid;
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369 }
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370 binMid = Math.floor((binMax - binMin) / 2 + binMin);
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371 }
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372 binMax = binMid;
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373 start = Math.max(1, MATCH_LOCATION - binMid + 1);
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374 finish = Math.min(MATCH_LOCATION + binMid, textLen) + patternLen;
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375 rd = new Array(finish + 2);
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376 rd[finish + 1] = (1 << i) - 1;
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377 for (j = finish; j >= start; j--) {
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378 charMatch = pattern_alphabet[text.charAt(j - 1)];
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379 if (i === 0) {
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380 rd[j] = ((rd[j + 1] << 1) | 1) & charMatch;
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381 } else {
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382 rd[j] = ((rd[j + 1] << 1) | 1) & charMatch | (((lastRd[j + 1] | lastRd[j]) << 1) | 1) | lastRd[j + 1];
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383 }
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384 if (rd[j] & matchmask) {
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385 score = match_bitapScore(i, j - 1);
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386 if (score <= scoreThreshold) {
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387 scoreThreshold = score;
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388 bestLoc = j - 1;
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389 locations.push(bestLoc);
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390 if (bestLoc > MATCH_LOCATION) {
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391 start = Math.max(1, 2 * MATCH_LOCATION - bestLoc);
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392 } else {
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393 break;
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394 }
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395 }
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396 }
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397 }
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398 if (match_bitapScore(i + 1, MATCH_LOCATION) > scoreThreshold) {
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399 break;
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400 }
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401 lastRd = rd;
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402 }
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403 return {
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404 isMatch: bestLoc >= 0,
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405 score: score
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406 };
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407 };
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408 return txt === true ? { 'search' : search } : search(txt);
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409 };
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410 $.vakata.search.defaults = {
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411 location : 0,
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412 distance : 100,
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413 threshold : 0.6,
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414 fuzzy : false,
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415 caseSensitive : false
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416 };
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417 }($));
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418
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419 // include the search plugin by default
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420 // $.jstree.defaults.plugins.push("search");
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421 }));