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annotate vakata-jstree-3.3.5/src/jstree.changed.js @ 0:a42e58c71e5b draft default tip

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planemo upload commit 841d8b22bf9f1aaed6bfe8344b60617f45b275b2-dirty
author mingchen0919
date Sun, 30 Dec 2018 12:55:49 -0500
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1 /**
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2 * ### Changed plugin
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3 *
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4 * This plugin adds more information to the `changed.jstree` event. The new data is contained in the `changed` event data property, and contains a lists of `selected` and `deselected` nodes.
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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.changed', ['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.changed) { return; }
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22
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23 $.jstree.plugins.changed = function (options, parent) {
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24 var last = [];
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25 this.trigger = function (ev, data) {
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26 var i, j;
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27 if(!data) {
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28 data = {};
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29 }
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30 if(ev.replace('.jstree','') === 'changed') {
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31 data.changed = { selected : [], deselected : [] };
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32 var tmp = {};
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33 for(i = 0, j = last.length; i < j; i++) {
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34 tmp[last[i]] = 1;
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35 }
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36 for(i = 0, j = data.selected.length; i < j; i++) {
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37 if(!tmp[data.selected[i]]) {
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38 data.changed.selected.push(data.selected[i]);
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39 }
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40 else {
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41 tmp[data.selected[i]] = 2;
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42 }
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43 }
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44 for(i = 0, j = last.length; i < j; i++) {
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45 if(tmp[last[i]] === 1) {
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46 data.changed.deselected.push(last[i]);
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47 }
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48 }
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49 last = data.selected.slice();
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50 }
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51 /**
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52 * triggered when selection changes (the "changed" plugin enhances the original event with more data)
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53 * @event
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54 * @name changed.jstree
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55 * @param {Object} node
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56 * @param {Object} action the action that caused the selection to change
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57 * @param {Array} selected the current selection
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58 * @param {Object} changed an object containing two properties `selected` and `deselected` - both arrays of node IDs, which were selected or deselected since the last changed event
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59 * @param {Object} event the event (if any) that triggered this changed event
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60 * @plugin changed
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61 */
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62 parent.trigger.call(this, ev, data);
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63 };
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64 this.refresh = function (skip_loading, forget_state) {
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65 last = [];
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66 return parent.refresh.apply(this, arguments);
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67 };
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68 };
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69 }));