1 | /*! |
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2 | * jQuery UI Selectable 1.10.4 |
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3 | * http://jqueryui.com |
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4 | * |
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5 | * Copyright 2014 jQuery Foundation and other contributors |
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6 | * Released under the MIT license. |
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7 | * http://jquery.org/license |
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8 | * |
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9 | * http://api.jqueryui.com/selectable/ |
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10 | * |
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11 | * Depends: |
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12 | * jquery.ui.core.js |
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13 | * jquery.ui.mouse.js |
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14 | * jquery.ui.widget.js |
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15 | */ |
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16 | (function( $, undefined ) { |
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17 | |
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18 | $.widget("ui.selectable", $.ui.mouse, { |
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19 | version: "1.10.4", |
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20 | options: { |
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21 | appendTo: "body", |
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22 | autoRefresh: true, |
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23 | distance: 0, |
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24 | filter: "*", |
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25 | tolerance: "touch", |
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26 | |
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27 | // callbacks |
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28 | selected: null, |
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29 | selecting: null, |
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30 | start: null, |
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31 | stop: null, |
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32 | unselected: null, |
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33 | unselecting: null |
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34 | }, |
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35 | _create: function() { |
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36 | var selectees, |
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37 | that = this; |
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38 | |
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39 | this.element.addClass("ui-selectable"); |
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40 | |
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41 | this.dragged = false; |
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42 | |
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43 | // cache selectee children based on filter |
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44 | this.refresh = function() { |
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45 | selectees = $(that.options.filter, that.element[0]); |
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46 | selectees.addClass("ui-selectee"); |
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47 | selectees.each(function() { |
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48 | var $this = $(this), |
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49 | pos = $this.offset(); |
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50 | $.data(this, "selectable-item", { |
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51 | element: this, |
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52 | $element: $this, |
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53 | left: pos.left, |
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54 | top: pos.top, |
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55 | right: pos.left + $this.outerWidth(), |
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56 | bottom: pos.top + $this.outerHeight(), |
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57 | startselected: false, |
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58 | selected: $this.hasClass("ui-selected"), |
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59 | selecting: $this.hasClass("ui-selecting"), |
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60 | unselecting: $this.hasClass("ui-unselecting") |
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61 | }); |
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62 | }); |
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63 | }; |
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64 | this.refresh(); |
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65 | |
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66 | this.selectees = selectees.addClass("ui-selectee"); |
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67 | |
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68 | this._mouseInit(); |
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69 | |
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70 | this.helper = $("<div class='ui-selectable-helper'></div>"); |
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71 | }, |
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72 | |
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73 | _destroy: function() { |
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74 | this.selectees |
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75 | .removeClass("ui-selectee") |
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76 | .removeData("selectable-item"); |
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77 | this.element |
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78 | .removeClass("ui-selectable ui-selectable-disabled"); |
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79 | this._mouseDestroy(); |
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80 | }, |
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81 | |
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82 | _mouseStart: function(event) { |
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83 | var that = this, |
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84 | options = this.options; |
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85 | |
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86 | this.opos = [event.pageX, event.pageY]; |
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87 | |
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88 | if (this.options.disabled) { |
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89 | return; |
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90 | } |
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91 | |
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92 | this.selectees = $(options.filter, this.element[0]); |
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93 | |
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94 | this._trigger("start", event); |
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95 | |
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96 | $(options.appendTo).append(this.helper); |
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97 | // position helper (lasso) |
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98 | this.helper.css({ |
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99 | "left": event.pageX, |
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100 | "top": event.pageY, |
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101 | "width": 0, |
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102 | "height": 0 |
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103 | }); |
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104 | |
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105 | if (options.autoRefresh) { |
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106 | this.refresh(); |
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107 | } |
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108 | |
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109 | this.selectees.filter(".ui-selected").each(function() { |
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110 | var selectee = $.data(this, "selectable-item"); |
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111 | selectee.startselected = true; |
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112 | if (!event.metaKey && !event.ctrlKey) { |
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113 | selectee.$element.removeClass("ui-selected"); |
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114 | selectee.selected = false; |
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115 | selectee.$element.addClass("ui-unselecting"); |
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116 | selectee.unselecting = true; |
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117 | // selectable UNSELECTING callback |
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118 | that._trigger("unselecting", event, { |
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119 | unselecting: selectee.element |
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120 | }); |
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121 | } |
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122 | }); |
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123 | |
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124 | $(event.target).parents().addBack().each(function() { |
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125 | var doSelect, |
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126 | selectee = $.data(this, "selectable-item"); |
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127 | if (selectee) { |
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128 | doSelect = (!event.metaKey && !event.ctrlKey) || !selectee.$element.hasClass("ui-selected"); |
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129 | selectee.$element |
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130 | .removeClass(doSelect ? "ui-unselecting" : "ui-selected") |
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131 | .addClass(doSelect ? "ui-selecting" : "ui-unselecting"); |
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132 | selectee.unselecting = !doSelect; |
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133 | selectee.selecting = doSelect; |
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134 | selectee.selected = doSelect; |
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135 | // selectable (UN)SELECTING callback |
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136 | if (doSelect) { |
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137 | that._trigger("selecting", event, { |
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138 | selecting: selectee.element |
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139 | }); |
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140 | } else { |
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141 | that._trigger("unselecting", event, { |
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142 | unselecting: selectee.element |
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143 | }); |
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144 | } |
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145 | return false; |
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146 | } |
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147 | }); |
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148 | |
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149 | }, |
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150 | |
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151 | _mouseDrag: function(event) { |
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152 | |
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153 | this.dragged = true; |
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154 | |
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155 | if (this.options.disabled) { |
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156 | return; |
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157 | } |
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158 | |
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159 | var tmp, |
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160 | that = this, |
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161 | options = this.options, |
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162 | x1 = this.opos[0], |
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163 | y1 = this.opos[1], |
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164 | x2 = event.pageX, |
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165 | y2 = event.pageY; |
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166 | |
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167 | if (x1 > x2) { tmp = x2; x2 = x1; x1 = tmp; } |
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168 | if (y1 > y2) { tmp = y2; y2 = y1; y1 = tmp; } |
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169 | this.helper.css({left: x1, top: y1, width: x2-x1, height: y2-y1}); |
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170 | |
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171 | this.selectees.each(function() { |
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172 | var selectee = $.data(this, "selectable-item"), |
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173 | hit = false; |
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174 | |
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175 | //prevent helper from being selected if appendTo: selectable |
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176 | if (!selectee || selectee.element === that.element[0]) { |
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177 | return; |
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178 | } |
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179 | |
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180 | if (options.tolerance === "touch") { |
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181 | hit = ( !(selectee.left > x2 || selectee.right < x1 || selectee.top > y2 || selectee.bottom < y1) ); |
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182 | } else if (options.tolerance === "fit") { |
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183 | hit = (selectee.left > x1 && selectee.right < x2 && selectee.top > y1 && selectee.bottom < y2); |
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184 | } |
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185 | |
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186 | if (hit) { |
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187 | // SELECT |
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188 | if (selectee.selected) { |
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189 | selectee.$element.removeClass("ui-selected"); |
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190 | selectee.selected = false; |
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191 | } |
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192 | if (selectee.unselecting) { |
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193 | selectee.$element.removeClass("ui-unselecting"); |
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194 | selectee.unselecting = false; |
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195 | } |
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196 | if (!selectee.selecting) { |
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197 | selectee.$element.addClass("ui-selecting"); |
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198 | selectee.selecting = true; |
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199 | // selectable SELECTING callback |
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200 | that._trigger("selecting", event, { |
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201 | selecting: selectee.element |
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202 | }); |
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203 | } |
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204 | } else { |
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205 | // UNSELECT |
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206 | if (selectee.selecting) { |
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207 | if ((event.metaKey || event.ctrlKey) && selectee.startselected) { |
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208 | selectee.$element.removeClass("ui-selecting"); |
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209 | selectee.selecting = false; |
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210 | selectee.$element.addClass("ui-selected"); |
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211 | selectee.selected = true; |
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212 | } else { |
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213 | selectee.$element.removeClass("ui-selecting"); |
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214 | selectee.selecting = false; |
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215 | if (selectee.startselected) { |
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216 | selectee.$element.addClass("ui-unselecting"); |
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217 | selectee.unselecting = true; |
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218 | } |
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219 | // selectable UNSELECTING callback |
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220 | that._trigger("unselecting", event, { |
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221 | unselecting: selectee.element |
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222 | }); |
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223 | } |
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224 | } |
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225 | if (selectee.selected) { |
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226 | if (!event.metaKey && !event.ctrlKey && !selectee.startselected) { |
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227 | selectee.$element.removeClass("ui-selected"); |
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228 | selectee.selected = false; |
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229 | |
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230 | selectee.$element.addClass("ui-unselecting"); |
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231 | selectee.unselecting = true; |
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232 | // selectable UNSELECTING callback |
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233 | that._trigger("unselecting", event, { |
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234 | unselecting: selectee.element |
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235 | }); |
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236 | } |
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237 | } |
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238 | } |
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239 | }); |
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240 | |
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241 | return false; |
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242 | }, |
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243 | |
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244 | _mouseStop: function(event) { |
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245 | var that = this; |
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246 | |
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247 | this.dragged = false; |
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248 | |
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249 | $(".ui-unselecting", this.element[0]).each(function() { |
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250 | var selectee = $.data(this, "selectable-item"); |
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251 | selectee.$element.removeClass("ui-unselecting"); |
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252 | selectee.unselecting = false; |
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253 | selectee.startselected = false; |
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254 | that._trigger("unselected", event, { |
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255 | unselected: selectee.element |
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256 | }); |
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257 | }); |
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258 | $(".ui-selecting", this.element[0]).each(function() { |
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259 | var selectee = $.data(this, "selectable-item"); |
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260 | selectee.$element.removeClass("ui-selecting").addClass("ui-selected"); |
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261 | selectee.selecting = false; |
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262 | selectee.selected = true; |
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263 | selectee.startselected = true; |
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264 | that._trigger("selected", event, { |
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265 | selected: selectee.element |
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266 | }); |
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267 | }); |
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268 | this._trigger("stop", event); |
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269 | |
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270 | this.helper.remove(); |
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271 | |
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272 | return false; |
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273 | } |
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274 | |
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275 | }); |
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276 | |
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277 | })(jQuery); |
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