59 lines
2.0 KiB
JavaScript
59 lines
2.0 KiB
JavaScript
/**
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* ### Unique plugin
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*
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* Enforces that no nodes with the same name can coexist as siblings.
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*/
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/*globals jQuery, define, exports, require */
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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.unique', ['jquery','jstree'], factory);
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}
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else if(typeof exports === 'object') {
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factory(require('jquery'), require('jstree'));
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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.unique) { return; }
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$.jstree.plugins.unique = function (options, parent) {
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this.check = function (chk, obj, par, pos) {
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if(parent.check.call(this, chk, obj, par, pos) === false) { return false; }
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obj = obj && obj.id ? obj : this.get_node(obj);
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par = par && par.id ? par : this.get_node(par);
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if(!par || !par.children) { return true; }
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var n = chk === "rename_node" ? pos : obj.text,
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c = [],
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m = this._model.data, i, j;
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for(i = 0, j = par.children.length; i < j; i++) {
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c.push(m[par.children[i]].text);
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}
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switch(chk) {
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case "delete_node":
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return true;
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case "rename_node":
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case "copy_node":
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i = ($.inArray(n, c) === -1);
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if(!i) {
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this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_01', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
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}
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return i;
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case "move_node":
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i = (obj.parent === par.id || $.inArray(n, c) === -1);
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if(!i) {
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this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_01', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
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}
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return i;
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}
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return true;
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};
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};
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// include the unique plugin by default
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// $.jstree.defaults.plugins.push("unique");
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}));
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