5
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1 /**
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2 * ### Unique plugin
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3 *
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4 * Enforces that no nodes with the same name can coexist as siblings.
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5 */
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6 /*globals jQuery, define, exports, require */
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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.unique', ['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.unique) { return; }
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22
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23 /**
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24 * stores all defaults for the unique plugin
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25 * @name $.jstree.defaults.unique
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26 * @plugin unique
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27 */
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28 $.jstree.defaults.unique = {
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29 /**
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30 * Indicates if the comparison should be case sensitive. Default is `false`.
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31 * @name $.jstree.defaults.unique.case_sensitive
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32 * @plugin unique
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33 */
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34 case_sensitive : false,
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35 /**
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36 * Indicates if white space should be trimmed before the comparison. Default is `false`.
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37 * @name $.jstree.defaults.unique.trim_whitespace
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38 * @plugin unique
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39 */
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40 trim_whitespace : false,
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41 /**
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42 * A callback executed in the instance's scope when a new node is created and the name is already taken, the two arguments are the conflicting name and the counter. The default will produce results like `New node (2)`.
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43 * @name $.jstree.defaults.unique.duplicate
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44 * @plugin unique
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45 */
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46 duplicate : function (name, counter) {
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47 return name + ' (' + counter + ')';
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48 }
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49 };
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50
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51 $.jstree.plugins.unique = function (options, parent) {
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52 this.check = function (chk, obj, par, pos, more) {
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53 if(parent.check.call(this, chk, obj, par, pos, more) === false) { return false; }
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54 obj = obj && obj.id ? obj : this.get_node(obj);
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55 par = par && par.id ? par : this.get_node(par);
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56 if(!par || !par.children) { return true; }
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57 var n = chk === "rename_node" ? pos : obj.text,
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58 c = [],
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59 s = this.settings.unique.case_sensitive,
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60 w = this.settings.unique.trim_whitespace,
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61 m = this._model.data, i, j, t;
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62 for(i = 0, j = par.children.length; i < j; i++) {
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63 t = m[par.children[i]].text;
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64 if (!s) {
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65 t = t.toLowerCase();
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66 }
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67 if (w) {
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68 t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
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69 }
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70 c.push(t);
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71 }
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72 if(!s) { n = n.toLowerCase(); }
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73 if (w) { n = n.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, ''); }
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74 switch(chk) {
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75 case "delete_node":
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76 return true;
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77 case "rename_node":
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78 t = obj.text || '';
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79 if (!s) {
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80 t = t.toLowerCase();
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81 }
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82 if (w) {
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83 t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
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84 }
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85 i = ($.inArray(n, c) === -1 || (obj.text && t === n));
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86 if(!i) {
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87 this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_01', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
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88 }
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89 return i;
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90 case "create_node":
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91 i = ($.inArray(n, c) === -1);
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92 if(!i) {
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93 this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_04', '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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94 }
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95 return i;
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96 case "copy_node":
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97 i = ($.inArray(n, c) === -1);
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98 if(!i) {
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99 this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_02', '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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100 }
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101 return i;
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102 case "move_node":
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103 i = ( (obj.parent === par.id && (!more || !more.is_multi)) || $.inArray(n, c) === -1);
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104 if(!i) {
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105 this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_03', '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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106 }
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107 return i;
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108 }
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109 return true;
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110 };
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111 this.create_node = function (par, node, pos, callback, is_loaded) {
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112 if(!node || node.text === undefined) {
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113 if(par === null) {
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114 par = $.jstree.root;
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115 }
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116 par = this.get_node(par);
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117 if(!par) {
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118 return parent.create_node.call(this, par, node, pos, callback, is_loaded);
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119 }
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120 pos = pos === undefined ? "last" : pos;
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121 if(!pos.toString().match(/^(before|after)$/) && !is_loaded && !this.is_loaded(par)) {
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122 return parent.create_node.call(this, par, node, pos, callback, is_loaded);
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123 }
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124 if(!node) { node = {}; }
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125 var tmp, n, dpc, i, j, m = this._model.data, s = this.settings.unique.case_sensitive, w = this.settings.unique.trim_whitespace, cb = this.settings.unique.duplicate, t;
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126 n = tmp = this.get_string('New node');
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127 dpc = [];
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128 for(i = 0, j = par.children.length; i < j; i++) {
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129 t = m[par.children[i]].text;
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130 if (!s) {
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131 t = t.toLowerCase();
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132 }
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133 if (w) {
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134 t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
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135 }
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136 dpc.push(t);
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137 }
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138 i = 1;
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139 t = n;
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140 if (!s) {
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141 t = t.toLowerCase();
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142 }
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143 if (w) {
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144 t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
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145 }
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146 while($.inArray(t, dpc) !== -1) {
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147 n = cb.call(this, tmp, (++i)).toString();
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148 t = n;
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149 if (!s) {
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150 t = t.toLowerCase();
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151 }
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152 if (w) {
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153 t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
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154 }
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155 }
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156 node.text = n;
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157 }
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158 return parent.create_node.call(this, par, node, pos, callback, is_loaded);
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159 };
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160 };
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161
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162 // include the unique plugin by default
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163 // $.jstree.defaults.plugins.push("unique");
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164 }));
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