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comparison vakata-jstree-3.3.5/src/jstree.search.js @ 0:55d2db17c67c draft

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planemo upload commit 841d8b22bf9f1aaed6bfe8344b60617f45b275b2-dirty
author mingchen0919
date Fri, 14 Dec 2018 00:21:26 -0500
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1 /**
2 * ### Search plugin
3 *
4 * Adds search functionality to jsTree.
5 */
6 /*globals jQuery, define, exports, require, document */
7 (function (factory) {
8 "use strict";
9 if (typeof define === 'function' && define.amd) {
10 define('jstree.search', ['jquery','jstree'], factory);
11 }
12 else if(typeof exports === 'object') {
13 factory(require('jquery'), require('jstree'));
14 }
15 else {
16 factory(jQuery, jQuery.jstree);
17 }
18 }(function ($, jstree, undefined) {
19 "use strict";
20
21 if($.jstree.plugins.search) { return; }
22
23 /**
24 * stores all defaults for the search plugin
25 * @name $.jstree.defaults.search
26 * @plugin search
27 */
28 $.jstree.defaults.search = {
29 /**
30 * a jQuery-like AJAX config, which jstree uses if a server should be queried for results.
31 *
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.
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
34 * @name $.jstree.defaults.search.ajax
35 * @plugin search
36 */
37 ajax : false,
38 /**
39 * Indicates if the search should be fuzzy or not (should `chnd3` match `child node 3`). Default is `false`.
40 * @name $.jstree.defaults.search.fuzzy
41 * @plugin search
42 */
43 fuzzy : false,
44 /**
45 * Indicates if the search should be case sensitive. Default is `false`.
46 * @name $.jstree.defaults.search.case_sensitive
47 * @plugin search
48 */
49 case_sensitive : false,
50 /**
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).
52 * This setting can be changed at runtime when calling the search method. Default is `false`.
53 * @name $.jstree.defaults.search.show_only_matches
54 * @plugin search
55 */
56 show_only_matches : false,
57 /**
58 * Indicates if the children of matched element are shown (when show_only_matches is true)
59 * This setting can be changed at runtime when calling the search method. Default is `false`.
60 * @name $.jstree.defaults.search.show_only_matches_children
61 * @plugin search
62 */
63 show_only_matches_children : false,
64 /**
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`.
66 * @name $.jstree.defaults.search.close_opened_onclear
67 * @plugin search
68 */
69 close_opened_onclear : true,
70 /**
71 * Indicates if only leaf nodes should be included in search results. Default is `false`.
72 * @name $.jstree.defaults.search.search_leaves_only
73 * @plugin search
74 */
75 search_leaves_only : false,
76 /**
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).
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`.
79 * @name $.jstree.defaults.search.search_callback
80 * @plugin search
81 */
82 search_callback : false
83 };
84
85 $.jstree.plugins.search = function (options, parent) {
86 this.bind = function () {
87 parent.bind.call(this);
88
89 this._data.search.str = "";
90 this._data.search.dom = $();
91 this._data.search.res = [];
92 this._data.search.opn = [];
93 this._data.search.som = false;
94 this._data.search.smc = false;
95 this._data.search.hdn = [];
96
97 this.element
98 .on("search.jstree", $.proxy(function (e, data) {
99 if(this._data.search.som && data.res.length) {
100 var m = this._model.data, i, j, p = [], k, l;
101 for(i = 0, j = data.res.length; i < j; i++) {
102 if(m[data.res[i]] && !m[data.res[i]].state.hidden) {
103 p.push(data.res[i]);
104 p = p.concat(m[data.res[i]].parents);
105 if(this._data.search.smc) {
106 for (k = 0, l = m[data.res[i]].children_d.length; k < l; k++) {
107 if (m[m[data.res[i]].children_d[k]] && !m[m[data.res[i]].children_d[k]].state.hidden) {
108 p.push(m[data.res[i]].children_d[k]);
109 }
110 }
111 }
112 }
113 }
114 p = $.vakata.array_remove_item($.vakata.array_unique(p), $.jstree.root);
115 this._data.search.hdn = this.hide_all(true);
116 this.show_node(p, true);
117 this.redraw(true);
118 }
119 }, this))
120 .on("clear_search.jstree", $.proxy(function (e, data) {
121 if(this._data.search.som && data.res.length) {
122 this.show_node(this._data.search.hdn, true);
123 this.redraw(true);
124 }
125 }, this));
126 };
127 /**
128 * used to search the tree nodes for a given string
129 * @name search(str [, skip_async])
130 * @param {String} str the search string
131 * @param {Boolean} skip_async if set to true server will not be queried even if configured
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)
133 * @param {mixed} inside an optional node to whose children to limit the search
134 * @param {Boolean} append if set to true the results of this search are appended to the previous search
135 * @plugin search
136 * @trigger search.jstree
137 */
138 this.search = function (str, skip_async, show_only_matches, inside, append, show_only_matches_children) {
139 if(str === false || $.trim(str.toString()) === "") {
140 return this.clear_search();
141 }
142 inside = this.get_node(inside);
143 inside = inside && inside.id ? inside.id : null;
144 str = str.toString();
145 var s = this.settings.search,
146 a = s.ajax ? s.ajax : false,
147 m = this._model.data,
148 f = null,
149 r = [],
150 p = [], i, j;
151 if(this._data.search.res.length && !append) {
152 this.clear_search();
153 }
154 if(show_only_matches === undefined) {
155 show_only_matches = s.show_only_matches;
156 }
157 if(show_only_matches_children === undefined) {
158 show_only_matches_children = s.show_only_matches_children;
159 }
160 if(!skip_async && a !== false) {
161 if($.isFunction(a)) {
162 return a.call(this, str, $.proxy(function (d) {
163 if(d && d.d) { d = d.d; }
164 this._load_nodes(!$.isArray(d) ? [] : $.vakata.array_unique(d), function () {
165 this.search(str, true, show_only_matches, inside, append, show_only_matches_children);
166 });
167 }, this), inside);
168 }
169 else {
170 a = $.extend({}, a);
171 if(!a.data) { a.data = {}; }
172 a.data.str = str;
173 if(inside) {
174 a.data.inside = inside;
175 }
176 if (this._data.search.lastRequest) {
177 this._data.search.lastRequest.abort();
178 }
179 this._data.search.lastRequest = $.ajax(a)
180 .fail($.proxy(function () {
181 this._data.core.last_error = { 'error' : 'ajax', 'plugin' : 'search', 'id' : 'search_01', 'reason' : 'Could not load search parents', 'data' : JSON.stringify(a) };
182 this.settings.core.error.call(this, this._data.core.last_error);
183 }, this))
184 .done($.proxy(function (d) {
185 if(d && d.d) { d = d.d; }
186 this._load_nodes(!$.isArray(d) ? [] : $.vakata.array_unique(d), function () {
187 this.search(str, true, show_only_matches, inside, append, show_only_matches_children);
188 });
189 }, this));
190 return this._data.search.lastRequest;
191 }
192 }
193 if(!append) {
194 this._data.search.str = str;
195 this._data.search.dom = $();
196 this._data.search.res = [];
197 this._data.search.opn = [];
198 this._data.search.som = show_only_matches;
199 this._data.search.smc = show_only_matches_children;
200 }
201
202 f = new $.vakata.search(str, true, { caseSensitive : s.case_sensitive, fuzzy : s.fuzzy });
203 $.each(m[inside ? inside : $.jstree.root].children_d, function (ii, i) {
204 var v = m[i];
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) ) ) {
206 r.push(i);
207 p = p.concat(v.parents);
208 }
209 });
210 if(r.length) {
211 p = $.vakata.array_unique(p);
212 for(i = 0, j = p.length; i < j; i++) {
213 if(p[i] !== $.jstree.root && m[p[i]] && this.open_node(p[i], null, 0) === true) {
214 this._data.search.opn.push(p[i]);
215 }
216 }
217 if(!append) {
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(', #')));
219 this._data.search.res = r;
220 }
221 else {
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(', #'))));
223 this._data.search.res = $.vakata.array_unique(this._data.search.res.concat(r));
224 }
225 this._data.search.dom.children(".jstree-anchor").addClass('jstree-search');
226 }
227 /**
228 * triggered after search is complete
229 * @event
230 * @name search.jstree
231 * @param {jQuery} nodes a jQuery collection of matching nodes
232 * @param {String} str the search string
233 * @param {Array} res a collection of objects represeing the matching nodes
234 * @plugin search
235 */
236 this.trigger('search', { nodes : this._data.search.dom, str : str, res : this._data.search.res, show_only_matches : show_only_matches });
237 };
238 /**
239 * used to clear the last search (removes classes and shows all nodes if filtering is on)
240 * @name clear_search()
241 * @plugin search
242 * @trigger clear_search.jstree
243 */
244 this.clear_search = function () {
245 if(this.settings.search.close_opened_onclear) {
246 this.close_node(this._data.search.opn, 0);
247 }
248 /**
249 * triggered after search is complete
250 * @event
251 * @name clear_search.jstree
252 * @param {jQuery} nodes a jQuery collection of matching nodes (the result from the last search)
253 * @param {String} str the search string (the last search string)
254 * @param {Array} res a collection of objects represeing the matching nodes (the result from the last search)
255 * @plugin search
256 */
257 this.trigger('clear_search', { 'nodes' : this._data.search.dom, str : this._data.search.str, res : this._data.search.res });
258 if(this._data.search.res.length) {
259 this._data.search.dom = $(this.element[0].querySelectorAll('#' + $.map(this._data.search.res, function (v) {
260 return "0123456789".indexOf(v[0]) !== -1 ? '\\3' + v[0] + ' ' + v.substr(1).replace($.jstree.idregex,'\\$&') : v.replace($.jstree.idregex,'\\$&');
261 }).join(', #')));
262 this._data.search.dom.children(".jstree-anchor").removeClass("jstree-search");
263 }
264 this._data.search.str = "";
265 this._data.search.res = [];
266 this._data.search.opn = [];
267 this._data.search.dom = $();
268 };
269
270 this.redraw_node = function(obj, deep, callback, force_render) {
271 obj = parent.redraw_node.apply(this, arguments);
272 if(obj) {
273 if($.inArray(obj.id, this._data.search.res) !== -1) {
274 var i, j, tmp = null;
275 for(i = 0, j = obj.childNodes.length; i < j; i++) {
276 if(obj.childNodes[i] && obj.childNodes[i].className && obj.childNodes[i].className.indexOf("jstree-anchor") !== -1) {
277 tmp = obj.childNodes[i];
278 break;
279 }
280 }
281 if(tmp) {
282 tmp.className += ' jstree-search';
283 }
284 }
285 }
286 return obj;
287 };
288 };
289
290 // helpers
291 (function ($) {
292 // from http://kiro.me/projects/fuse.html
293 $.vakata.search = function(pattern, txt, options) {
294 options = options || {};
295 options = $.extend({}, $.vakata.search.defaults, options);
296 if(options.fuzzy !== false) {
297 options.fuzzy = true;
298 }
299 pattern = options.caseSensitive ? pattern : pattern.toLowerCase();
300 var MATCH_LOCATION = options.location,
301 MATCH_DISTANCE = options.distance,
302 MATCH_THRESHOLD = options.threshold,
303 patternLen = pattern.length,
304 matchmask, pattern_alphabet, match_bitapScore, search;
305 if(patternLen > 32) {
306 options.fuzzy = false;
307 }
308 if(options.fuzzy) {
309 matchmask = 1 << (patternLen - 1);
310 pattern_alphabet = (function () {
311 var mask = {},
312 i = 0;
313 for (i = 0; i < patternLen; i++) {
314 mask[pattern.charAt(i)] = 0;
315 }
316 for (i = 0; i < patternLen; i++) {
317 mask[pattern.charAt(i)] |= 1 << (patternLen - i - 1);
318 }
319 return mask;
320 }());
321 match_bitapScore = function (e, x) {
322 var accuracy = e / patternLen,
323 proximity = Math.abs(MATCH_LOCATION - x);
324 if(!MATCH_DISTANCE) {
325 return proximity ? 1.0 : accuracy;
326 }
327 return accuracy + (proximity / MATCH_DISTANCE);
328 };
329 }
330 search = function (text) {
331 text = options.caseSensitive ? text : text.toLowerCase();
332 if(pattern === text || text.indexOf(pattern) !== -1) {
333 return {
334 isMatch: true,
335 score: 0
336 };
337 }
338 if(!options.fuzzy) {
339 return {
340 isMatch: false,
341 score: 1
342 };
343 }
344 var i, j,
345 textLen = text.length,
346 scoreThreshold = MATCH_THRESHOLD,
347 bestLoc = text.indexOf(pattern, MATCH_LOCATION),
348 binMin, binMid,
349 binMax = patternLen + textLen,
350 lastRd, start, finish, rd, charMatch,
351 score = 1,
352 locations = [];
353 if (bestLoc !== -1) {
354 scoreThreshold = Math.min(match_bitapScore(0, bestLoc), scoreThreshold);
355 bestLoc = text.lastIndexOf(pattern, MATCH_LOCATION + patternLen);
356 if (bestLoc !== -1) {
357 scoreThreshold = Math.min(match_bitapScore(0, bestLoc), scoreThreshold);
358 }
359 }
360 bestLoc = -1;
361 for (i = 0; i < patternLen; i++) {
362 binMin = 0;
363 binMid = binMax;
364 while (binMin < binMid) {
365 if (match_bitapScore(i, MATCH_LOCATION + binMid) <= scoreThreshold) {
366 binMin = binMid;
367 } else {
368 binMax = binMid;
369 }
370 binMid = Math.floor((binMax - binMin) / 2 + binMin);
371 }
372 binMax = binMid;
373 start = Math.max(1, MATCH_LOCATION - binMid + 1);
374 finish = Math.min(MATCH_LOCATION + binMid, textLen) + patternLen;
375 rd = new Array(finish + 2);
376 rd[finish + 1] = (1 << i) - 1;
377 for (j = finish; j >= start; j--) {
378 charMatch = pattern_alphabet[text.charAt(j - 1)];
379 if (i === 0) {
380 rd[j] = ((rd[j + 1] << 1) | 1) & charMatch;
381 } else {
382 rd[j] = ((rd[j + 1] << 1) | 1) & charMatch | (((lastRd[j + 1] | lastRd[j]) << 1) | 1) | lastRd[j + 1];
383 }
384 if (rd[j] & matchmask) {
385 score = match_bitapScore(i, j - 1);
386 if (score <= scoreThreshold) {
387 scoreThreshold = score;
388 bestLoc = j - 1;
389 locations.push(bestLoc);
390 if (bestLoc > MATCH_LOCATION) {
391 start = Math.max(1, 2 * MATCH_LOCATION - bestLoc);
392 } else {
393 break;
394 }
395 }
396 }
397 }
398 if (match_bitapScore(i + 1, MATCH_LOCATION) > scoreThreshold) {
399 break;
400 }
401 lastRd = rd;
402 }
403 return {
404 isMatch: bestLoc >= 0,
405 score: score
406 };
407 };
408 return txt === true ? { 'search' : search } : search(txt);
409 };
410 $.vakata.search.defaults = {
411 location : 0,
412 distance : 100,
413 threshold : 0.6,
414 fuzzy : false,
415 caseSensitive : false
416 };
417 }($));
418
419 // include the search plugin by default
420 // $.jstree.defaults.plugins.push("search");
421 }));