/**
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* ### Search plugin
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*
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* Adds search functionality to jsTree.
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*/
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/*globals jQuery, define, exports, require, document */
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(function (factory) {
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"use strict";
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if (typeof define === 'function' && define.amd) {
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define('jstree.search', ['jquery','./jstree.js'], factory);
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}
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else if(typeof exports === 'object') {
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factory(require('jquery'), require('./jstree.js'));
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}
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else {
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factory(jQuery, jQuery.jstree);
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}
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}(function ($, jstree, undefined) {
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"use strict";
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if($.jstree.plugins.search) { return; }
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/**
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* stores all defaults for the search plugin
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* @name $.jstree.defaults.search
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* @plugin search
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*/
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$.jstree.defaults.search = {
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/**
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* a jQuery-like AJAX config, which jstree uses if a server should be queried for results.
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*
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* 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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* 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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* @name $.jstree.defaults.search.ajax
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* @plugin search
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*/
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ajax : false,
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/**
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* Indicates if the search should be fuzzy or not (should `chnd3` match `child node 3`). Default is `false`.
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* @name $.jstree.defaults.search.fuzzy
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* @plugin search
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*/
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fuzzy : false,
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/**
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* Indicates if the search should be case sensitive. Default is `false`.
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* @name $.jstree.defaults.search.case_sensitive
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* @plugin search
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*/
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case_sensitive : false,
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/**
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* 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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* This setting can be changed at runtime when calling the search method. Default is `false`.
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* @name $.jstree.defaults.search.show_only_matches
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* @plugin search
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*/
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show_only_matches : false,
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/**
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* Indicates if the children of matched element are shown (when show_only_matches is true)
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* This setting can be changed at runtime when calling the search method. Default is `false`.
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* @name $.jstree.defaults.search.show_only_matches_children
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* @plugin search
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*/
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show_only_matches_children : false,
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/**
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* 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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* @name $.jstree.defaults.search.close_opened_onclear
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* @plugin search
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*/
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close_opened_onclear : true,
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/**
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* Indicates if only leaf nodes should be included in search results. Default is `false`.
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* @name $.jstree.defaults.search.search_leaves_only
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* @plugin search
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*/
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search_leaves_only : false,
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/**
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* 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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* 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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* @name $.jstree.defaults.search.search_callback
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* @plugin search
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*/
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search_callback : false
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};
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$.jstree.plugins.search = function (options, parent) {
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this.bind = function () {
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parent.bind.call(this);
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this._data.search.str = "";
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this._data.search.dom = $();
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this._data.search.res = [];
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this._data.search.opn = [];
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this._data.search.som = false;
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this._data.search.smc = false;
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this._data.search.hdn = [];
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this.element
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.on("search.jstree", function (e, data) {
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if(this._data.search.som && data.res.length) {
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var m = this._model.data, i, j, p = [], k, l;
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for(i = 0, j = data.res.length; i < j; i++) {
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if(m[data.res[i]] && !m[data.res[i]].state.hidden) {
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p.push(data.res[i]);
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p = p.concat(m[data.res[i]].parents);
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if(this._data.search.smc) {
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for (k = 0, l = m[data.res[i]].children_d.length; k < l; k++) {
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if (m[m[data.res[i]].children_d[k]] && !m[m[data.res[i]].children_d[k]].state.hidden) {
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p.push(m[data.res[i]].children_d[k]);
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}
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}
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}
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}
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}
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p = $.vakata.array_remove_item($.vakata.array_unique(p), $.jstree.root);
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this._data.search.hdn = this.hide_all(true);
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this.show_node(p, true);
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this.redraw(true);
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}
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}.bind(this))
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.on("clear_search.jstree", function (e, data) {
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if(this._data.search.som && data.res.length) {
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this.show_node(this._data.search.hdn, true);
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this.redraw(true);
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}
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}.bind(this));
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};
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/**
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* used to search the tree nodes for a given string
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* @name search(str [, skip_async])
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* @param {String} str the search string
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* @param {Boolean} skip_async if set to true server will not be queried even if configured
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* @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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* @param {mixed} inside an optional node to whose children to limit the search
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* @param {Boolean} append if set to true the results of this search are appended to the previous search
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* @plugin search
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* @trigger search.jstree
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*/
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this.search = function (str, skip_async, show_only_matches, inside, append, show_only_matches_children) {
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if(str === false || $.vakata.trim(str.toString()) === "") {
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return this.clear_search();
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}
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inside = this.get_node(inside);
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inside = inside && inside.id ? inside.id : null;
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str = str.toString();
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var s = this.settings.search,
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a = s.ajax ? s.ajax : false,
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m = this._model.data,
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f = null,
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r = [],
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p = [], i, j;
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if(this._data.search.res.length && !append) {
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this.clear_search();
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}
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if(show_only_matches === undefined) {
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show_only_matches = s.show_only_matches;
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}
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if(show_only_matches_children === undefined) {
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show_only_matches_children = s.show_only_matches_children;
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}
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if(!skip_async && a !== false) {
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if($.vakata.is_function(a)) {
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return a.call(this, str, function (d) {
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if(d && d.d) { d = d.d; }
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this._load_nodes(!$.vakata.is_array(d) ? [] : $.vakata.array_unique(d), function () {
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this.search(str, true, show_only_matches, inside, append, show_only_matches_children);
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});
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}.bind(this), inside);
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}
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else {
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a = $.extend({}, a);
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if(!a.data) { a.data = {}; }
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a.data.str = str;
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if(inside) {
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a.data.inside = inside;
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}
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if (this._data.search.lastRequest) {
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this._data.search.lastRequest.abort();
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}
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this._data.search.lastRequest = $.ajax(a)
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.fail(function () {
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this._data.core.last_error = { 'error' : 'ajax', 'plugin' : 'search', 'id' : 'search_01', 'reason' : 'Could not load search parents', 'data' : JSON.stringify(a) };
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this.settings.core.error.call(this, this._data.core.last_error);
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}.bind(this))
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.done(function (d) {
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if(d && d.d) { d = d.d; }
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this._load_nodes(!$.vakata.is_array(d) ? [] : $.vakata.array_unique(d), function () {
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this.search(str, true, show_only_matches, inside, append, show_only_matches_children);
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});
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}.bind(this));
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return this._data.search.lastRequest;
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}
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}
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if(!append) {
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this._data.search.str = str;
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this._data.search.dom = $();
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this._data.search.res = [];
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this._data.search.opn = [];
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this._data.search.som = show_only_matches;
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this._data.search.smc = show_only_matches_children;
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}
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f = new $.vakata.search(str, true, { caseSensitive : s.case_sensitive, fuzzy : s.fuzzy });
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$.each(m[inside ? inside : $.jstree.root].children_d, function (ii, i) {
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var v = m[i];
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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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r.push(i);
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p = p.concat(v.parents);
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}
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});
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if(r.length) {
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p = $.vakata.array_unique(p);
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for(i = 0, j = p.length; i < j; i++) {
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if(p[i] !== $.jstree.root && m[p[i]] && this.open_node(p[i], null, 0) === true) {
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this._data.search.opn.push(p[i]);
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}
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}
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if(!append) {
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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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this._data.search.res = r;
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}
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else {
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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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this._data.search.res = $.vakata.array_unique(this._data.search.res.concat(r));
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}
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this._data.search.dom.children(".jstree-anchor").addClass('jstree-search');
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}
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/**
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* triggered after search is complete
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* @event
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* @name search.jstree
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* @param {jQuery} nodes a jQuery collection of matching nodes
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* @param {String} str the search string
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* @param {Array} res a collection of objects represeing the matching nodes
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* @plugin search
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*/
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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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};
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/**
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* used to clear the last search (removes classes and shows all nodes if filtering is on)
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* @name clear_search()
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* @plugin search
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* @trigger clear_search.jstree
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*/
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this.clear_search = function () {
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if(this.settings.search.close_opened_onclear) {
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this.close_node(this._data.search.opn, 0);
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}
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/**
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* triggered after search is complete
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* @event
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* @name clear_search.jstree
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* @param {jQuery} nodes a jQuery collection of matching nodes (the result from the last search)
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* @param {String} str the search string (the last search string)
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* @param {Array} res a collection of objects represeing the matching nodes (the result from the last search)
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* @plugin search
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*/
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this.trigger('clear_search', { 'nodes' : this._data.search.dom, str : this._data.search.str, res : this._data.search.res });
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if(this._data.search.res.length) {
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this._data.search.dom = $(this.element[0].querySelectorAll('#' + $.map(this._data.search.res, function (v) {
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return "0123456789".indexOf(v[0]) !== -1 ? '\\3' + v[0] + ' ' + v.substr(1).replace($.jstree.idregex,'\\$&') : v.replace($.jstree.idregex,'\\$&');
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}).join(', #')));
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this._data.search.dom.children(".jstree-anchor").removeClass("jstree-search");
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}
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this._data.search.str = "";
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this._data.search.res = [];
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this._data.search.opn = [];
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this._data.search.dom = $();
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};
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this.redraw_node = function(obj, deep, callback, force_render) {
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obj = parent.redraw_node.apply(this, arguments);
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if(obj) {
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if($.inArray(obj.id, this._data.search.res) !== -1) {
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var i, j, tmp = null;
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for(i = 0, j = obj.childNodes.length; i < j; i++) {
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if(obj.childNodes[i] && obj.childNodes[i].className && obj.childNodes[i].className.indexOf("jstree-anchor") !== -1) {
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tmp = obj.childNodes[i];
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break;
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}
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}
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if(tmp) {
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tmp.className += ' jstree-search';
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}
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}
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}
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return obj;
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};
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};
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// helpers
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(function ($) {
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// from http://kiro.me/projects/fuse.html
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$.vakata.search = function(pattern, txt, options) {
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options = options || {};
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options = $.extend({}, $.vakata.search.defaults, options);
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if(options.fuzzy !== false) {
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options.fuzzy = true;
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}
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pattern = options.caseSensitive ? pattern : pattern.toLowerCase();
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var MATCH_LOCATION = options.location,
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MATCH_DISTANCE = options.distance,
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MATCH_THRESHOLD = options.threshold,
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patternLen = pattern.length,
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matchmask, pattern_alphabet, match_bitapScore, search;
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if(patternLen > 32) {
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options.fuzzy = false;
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}
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if(options.fuzzy) {
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matchmask = 1 << (patternLen - 1);
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pattern_alphabet = (function () {
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var mask = {},
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i = 0;
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for (i = 0; i < patternLen; i++) {
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mask[pattern.charAt(i)] = 0;
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}
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for (i = 0; i < patternLen; i++) {
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mask[pattern.charAt(i)] |= 1 << (patternLen - i - 1);
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}
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return mask;
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}());
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match_bitapScore = function (e, x) {
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var accuracy = e / patternLen,
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proximity = Math.abs(MATCH_LOCATION - x);
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if(!MATCH_DISTANCE) {
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return proximity ? 1.0 : accuracy;
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}
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return accuracy + (proximity / MATCH_DISTANCE);
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};
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}
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search = function (text) {
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text = options.caseSensitive ? text : text.toLowerCase();
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if(pattern === text || text.indexOf(pattern) !== -1) {
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return {
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isMatch: true,
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score: 0
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};
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}
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if(!options.fuzzy) {
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return {
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isMatch: false,
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score: 1
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};
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}
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var i, j,
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textLen = text.length,
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scoreThreshold = MATCH_THRESHOLD,
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bestLoc = text.indexOf(pattern, MATCH_LOCATION),
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binMin, binMid,
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binMax = patternLen + textLen,
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lastRd, start, finish, rd, charMatch,
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score = 1,
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locations = [];
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if (bestLoc !== -1) {
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scoreThreshold = Math.min(match_bitapScore(0, bestLoc), scoreThreshold);
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bestLoc = text.lastIndexOf(pattern, MATCH_LOCATION + patternLen);
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if (bestLoc !== -1) {
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scoreThreshold = Math.min(match_bitapScore(0, bestLoc), scoreThreshold);
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}
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}
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bestLoc = -1;
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for (i = 0; i < patternLen; i++) {
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binMin = 0;
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binMid = binMax;
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while (binMin < binMid) {
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if (match_bitapScore(i, MATCH_LOCATION + binMid) <= scoreThreshold) {
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binMin = binMid;
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} else {
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binMax = binMid;
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}
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binMid = Math.floor((binMax - binMin) / 2 + binMin);
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}
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binMax = binMid;
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start = Math.max(1, MATCH_LOCATION - binMid + 1);
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finish = Math.min(MATCH_LOCATION + binMid, textLen) + patternLen;
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rd = new Array(finish + 2);
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rd[finish + 1] = (1 << i) - 1;
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for (j = finish; j >= start; j--) {
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charMatch = pattern_alphabet[text.charAt(j - 1)];
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if (i === 0) {
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rd[j] = ((rd[j + 1] << 1) | 1) & charMatch;
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} else {
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rd[j] = ((rd[j + 1] << 1) | 1) & charMatch | (((lastRd[j + 1] | lastRd[j]) << 1) | 1) | lastRd[j + 1];
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}
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if (rd[j] & matchmask) {
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score = match_bitapScore(i, j - 1);
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if (score <= scoreThreshold) {
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scoreThreshold = score;
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bestLoc = j - 1;
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locations.push(bestLoc);
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if (bestLoc > MATCH_LOCATION) {
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start = Math.max(1, 2 * MATCH_LOCATION - bestLoc);
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} else {
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break;
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}
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}
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}
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}
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if (match_bitapScore(i + 1, MATCH_LOCATION) > scoreThreshold) {
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break;
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}
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lastRd = rd;
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}
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return {
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isMatch: bestLoc >= 0,
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score: score
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};
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};
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return txt === true ? { 'search' : search } : search(txt);
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};
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$.vakata.search.defaults = {
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location : 0,
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distance : 100,
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threshold : 0.6,
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fuzzy : false,
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caseSensitive : false
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};
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}($));
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// include the search plugin by default
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// $.jstree.defaults.plugins.push("search");
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}));
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