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annotate war/scripts/jQuery/ui/jquery.ui.droppable.js @ 85:108c853e0900 trimmed_data

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CSV to KML conversion moved to seperate function
author Sebastian Kruse <skruse@mpiwg-berlin.mpg.de>
date Thu, 07 Mar 2013 14:35:30 +0100
parents cf06b77a8bbd
children
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3
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1 /*
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2 * jQuery UI Droppable 1.8.14
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3 *
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4 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
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5 * Dual licensed under the MIT or GPL Version 2 licenses.
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6 * http://jquery.org/license
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7 *
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8 * http://docs.jquery.com/UI/Droppables
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9 *
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10 * Depends:
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11 * jquery.ui.core.js
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12 * jquery.ui.widget.js
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13 * jquery.ui.mouse.js
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14 * jquery.ui.draggable.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.droppable", {
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19 widgetEventPrefix: "drop",
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20 options: {
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21 accept: '*',
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22 activeClass: false,
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23 addClasses: true,
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24 greedy: false,
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25 hoverClass: false,
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26 scope: 'default',
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27 tolerance: 'intersect'
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28 },
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29 _create: function() {
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30
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31 var o = this.options, accept = o.accept;
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32 this.isover = 0; this.isout = 1;
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33
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34 this.accept = $.isFunction(accept) ? accept : function(d) {
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35 return d.is(accept);
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36 };
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37
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38 //Store the droppable's proportions
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39 this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight };
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40
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41 // Add the reference and positions to the manager
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42 $.ui.ddmanager.droppables[o.scope] = $.ui.ddmanager.droppables[o.scope] || [];
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43 $.ui.ddmanager.droppables[o.scope].push(this);
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44
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45 (o.addClasses && this.element.addClass("ui-droppable"));
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46
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47 },
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48
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49 destroy: function() {
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50 var drop = $.ui.ddmanager.droppables[this.options.scope];
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51 for ( var i = 0; i < drop.length; i++ )
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52 if ( drop[i] == this )
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53 drop.splice(i, 1);
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54
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55 this.element
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56 .removeClass("ui-droppable ui-droppable-disabled")
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57 .removeData("droppable")
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58 .unbind(".droppable");
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59
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60 return this;
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61 },
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62
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63 _setOption: function(key, value) {
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64
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65 if(key == 'accept') {
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66 this.accept = $.isFunction(value) ? value : function(d) {
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67 return d.is(value);
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68 };
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69 }
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70 $.Widget.prototype._setOption.apply(this, arguments);
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71 },
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72
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73 _activate: function(event) {
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74 var draggable = $.ui.ddmanager.current;
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75 if(this.options.activeClass) this.element.addClass(this.options.activeClass);
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76 (draggable && this._trigger('activate', event, this.ui(draggable)));
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77 },
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78
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79 _deactivate: function(event) {
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80 var draggable = $.ui.ddmanager.current;
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81 if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
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82 (draggable && this._trigger('deactivate', event, this.ui(draggable)));
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83 },
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84
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85 _over: function(event) {
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86
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87 var draggable = $.ui.ddmanager.current;
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88 if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element
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89
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90 if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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91 if(this.options.hoverClass) this.element.addClass(this.options.hoverClass);
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92 this._trigger('over', event, this.ui(draggable));
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93 }
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94
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95 },
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96
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97 _out: function(event) {
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98
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99 var draggable = $.ui.ddmanager.current;
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100 if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element
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101
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102 if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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103 if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
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104 this._trigger('out', event, this.ui(draggable));
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105 }
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106
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107 },
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108
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109 _drop: function(event,custom) {
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110
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111 var draggable = custom || $.ui.ddmanager.current;
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112 if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return false; // Bail if draggable and droppable are same element
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113
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114 var childrenIntersection = false;
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115 this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function() {
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116 var inst = $.data(this, 'droppable');
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117 if(
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118 inst.options.greedy
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119 && !inst.options.disabled
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120 && inst.options.scope == draggable.options.scope
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121 && inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element))
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122 && $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)
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123 ) { childrenIntersection = true; return false; }
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124 });
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125 if(childrenIntersection) return false;
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126
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127 if(this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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128 if(this.options.activeClass) this.element.removeClass(this.options.activeClass);
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129 if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass);
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130 this._trigger('drop', event, this.ui(draggable));
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131 return this.element;
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132 }
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133
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134 return false;
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135
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136 },
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137
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138 ui: function(c) {
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139 return {
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140 draggable: (c.currentItem || c.element),
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141 helper: c.helper,
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142 position: c.position,
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143 offset: c.positionAbs
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144 };
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145 }
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146
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147 });
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148
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149 $.extend($.ui.droppable, {
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150 version: "1.8.14"
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151 });
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152
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153 $.ui.intersect = function(draggable, droppable, toleranceMode) {
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154
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155 if (!droppable.offset) return false;
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156
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157 var x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width,
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158 y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height;
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159 var l = droppable.offset.left, r = l + droppable.proportions.width,
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160 t = droppable.offset.top, b = t + droppable.proportions.height;
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161
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162 switch (toleranceMode) {
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163 case 'fit':
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164 return (l <= x1 && x2 <= r
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165 && t <= y1 && y2 <= b);
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166 break;
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167 case 'intersect':
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168 return (l < x1 + (draggable.helperProportions.width / 2) // Right Half
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169 && x2 - (draggable.helperProportions.width / 2) < r // Left Half
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170 && t < y1 + (draggable.helperProportions.height / 2) // Bottom Half
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171 && y2 - (draggable.helperProportions.height / 2) < b ); // Top Half
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172 break;
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173 case 'pointer':
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174 var draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left),
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175 draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top),
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176 isOver = $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width);
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177 return isOver;
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178 break;
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179 case 'touch':
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180 return (
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181 (y1 >= t && y1 <= b) || // Top edge touching
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182 (y2 >= t && y2 <= b) || // Bottom edge touching
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183 (y1 < t && y2 > b) // Surrounded vertically
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184 ) && (
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185 (x1 >= l && x1 <= r) || // Left edge touching
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186 (x2 >= l && x2 <= r) || // Right edge touching
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187 (x1 < l && x2 > r) // Surrounded horizontally
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188 );
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189 break;
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190 default:
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191 return false;
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192 break;
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193 }
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194
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195 };
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196
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197 /*
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198 This manager tracks offsets of draggables and droppables
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199 */
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200 $.ui.ddmanager = {
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201 current: null,
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202 droppables: { 'default': [] },
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203 prepareOffsets: function(t, event) {
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204
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205 var m = $.ui.ddmanager.droppables[t.options.scope] || [];
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206 var type = event ? event.type : null; // workaround for #2317
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207 var list = (t.currentItem || t.element).find(":data(droppable)").andSelf();
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208
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209 droppablesLoop: for (var i = 0; i < m.length; i++) {
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210
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211 if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) continue; //No disabled and non-accepted
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212 for (var j=0; j < list.length; j++) { if(list[j] == m[i].element[0]) { m[i].proportions.height = 0; continue droppablesLoop; } }; //Filter out elements in the current dragged item
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213 m[i].visible = m[i].element.css("display") != "none"; if(!m[i].visible) continue; //If the element is not visible, continue
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214
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215 if(type == "mousedown") m[i]._activate.call(m[i], event); //Activate the droppable if used directly from draggables
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216
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217 m[i].offset = m[i].element.offset();
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218 m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight };
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219
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220 }
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221
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222 },
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223 drop: function(draggable, event) {
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224
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225 var dropped = false;
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226 $.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
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227
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228 if(!this.options) return;
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229 if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance))
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230 dropped = dropped || this._drop.call(this, event);
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231
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232 if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) {
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233 this.isout = 1; this.isover = 0;
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234 this._deactivate.call(this, event);
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235 }
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236
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237 });
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238 return dropped;
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239
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240 },
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241 dragStart: function( draggable, event ) {
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242 //Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003)
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243 draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() {
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244 if( !draggable.options.refreshPositions ) $.ui.ddmanager.prepareOffsets( draggable, event );
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245 });
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246 },
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247 drag: function(draggable, event) {
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248
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249 //If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse.
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250 if(draggable.options.refreshPositions) $.ui.ddmanager.prepareOffsets(draggable, event);
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251
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252 //Run through all droppables and check their positions based on specific tolerance options
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253 $.each($.ui.ddmanager.droppables[draggable.options.scope] || [], function() {
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254
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255 if(this.options.disabled || this.greedyChild || !this.visible) return;
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256 var intersects = $.ui.intersect(draggable, this, this.options.tolerance);
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257
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258 var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null);
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259 if(!c) return;
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260
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261 var parentInstance;
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262 if (this.options.greedy) {
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263 var parent = this.element.parents(':data(droppable):eq(0)');
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264 if (parent.length) {
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265 parentInstance = $.data(parent[0], 'droppable');
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266 parentInstance.greedyChild = (c == 'isover' ? 1 : 0);
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267 }
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268 }
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269
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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270 // we just moved into a greedy child
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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271 if (parentInstance && c == 'isover') {
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272 parentInstance['isover'] = 0;
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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273 parentInstance['isout'] = 1;
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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274 parentInstance._out.call(parentInstance, event);
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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275 }
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276
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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277 this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0;
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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278 this[c == "isover" ? "_over" : "_out"].call(this, event);
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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279
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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280 // we just moved out of a greedy child
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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281 if (parentInstance && c == 'isout') {
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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282 parentInstance['isout'] = 0;
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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283 parentInstance['isover'] = 1;
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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284 parentInstance._over.call(parentInstance, event);
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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285 }
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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286 });
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287
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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288 },
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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289 dragStop: function( draggable, event ) {
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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290 draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" );
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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291 //Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003)
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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292 if( !draggable.options.refreshPositions ) $.ui.ddmanager.prepareOffsets( draggable, event );
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StefanFunk <StefanFunk@f2b5be40-def6-11e0-8a09-b3c1cc336c6b>
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293 }
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294 };
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295
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296 })(jQuery);