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1 /*! |
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2 * jQuery UI Sortable 1.12.1 |
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3 * http://jqueryui.com |
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4 * |
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5 * Copyright 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 |
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10 //>>label: Sortable |
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11 //>>group: Interactions |
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12 //>>description: Enables items in a list to be sorted using the mouse. |
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13 //>>docs: http://api.jqueryui.com/sortable/ |
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14 //>>demos: http://jqueryui.com/sortable/ |
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15 //>>css.structure: ../../themes/base/sortable.css |
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16 |
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17 ( function( factory ) { |
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18 if ( typeof define === "function" && define.amd ) { |
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19 |
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20 // AMD. Register as an anonymous module. |
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21 define( [ |
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22 "jquery", |
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23 "./mouse", |
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24 "./core" |
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25 ], factory ); |
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26 } else { |
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27 |
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28 // Browser globals |
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29 factory( jQuery ); |
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30 } |
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31 }( function( $ ) { |
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32 |
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33 return $.widget( "ui.sortable", $.ui.mouse, { |
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34 version: "1.12.1", |
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35 widgetEventPrefix: "sort", |
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36 ready: false, |
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37 options: { |
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38 appendTo: "parent", |
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39 axis: false, |
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40 connectWith: false, |
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41 containment: false, |
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42 cursor: "auto", |
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43 cursorAt: false, |
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44 dropOnEmpty: true, |
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45 forcePlaceholderSize: false, |
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46 forceHelperSize: false, |
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47 grid: false, |
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48 handle: false, |
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49 helper: "original", |
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50 items: "> *", |
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51 opacity: false, |
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52 placeholder: false, |
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53 revert: false, |
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54 scroll: true, |
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55 scrollSensitivity: 20, |
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56 scrollSpeed: 20, |
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57 scope: "default", |
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58 tolerance: "intersect", |
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59 zIndex: 1000, |
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60 |
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61 // Callbacks |
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62 activate: null, |
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63 beforeStop: null, |
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64 change: null, |
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65 deactivate: null, |
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66 out: null, |
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67 over: null, |
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68 receive: null, |
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69 remove: null, |
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70 sort: null, |
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71 start: null, |
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72 stop: null, |
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73 update: null |
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74 }, |
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75 |
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76 _isOverAxis: function( x, reference, size ) { |
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77 return ( x >= reference ) && ( x < ( reference + size ) ); |
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78 }, |
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79 |
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80 _isFloating: function( item ) { |
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81 return ( /left|right/ ).test( item.css( "float" ) ) || |
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82 ( /inline|table-cell/ ).test( item.css( "display" ) ); |
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83 }, |
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84 |
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85 _create: function() { |
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86 this.containerCache = {}; |
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87 this._addClass( "ui-sortable" ); |
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88 |
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89 //Get the items |
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90 this.refresh(); |
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91 |
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92 //Let's determine the parent's offset |
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93 this.offset = this.element.offset(); |
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94 |
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95 //Initialize mouse events for interaction |
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96 this._mouseInit(); |
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97 |
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98 this._setHandleClassName(); |
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99 |
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100 //We're ready to go |
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101 this.ready = true; |
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102 |
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103 }, |
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104 |
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105 _setOption: function( key, value ) { |
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106 this._super( key, value ); |
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107 |
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108 if ( key === "handle" ) { |
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109 this._setHandleClassName(); |
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110 } |
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111 }, |
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112 |
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113 _setHandleClassName: function() { |
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114 var that = this; |
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115 this._removeClass( this.element.find( ".ui-sortable-handle" ), "ui-sortable-handle" ); |
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116 $.each( this.items, function() { |
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117 that._addClass( |
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118 this.instance.options.handle ? |
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119 this.item.find( this.instance.options.handle ) : |
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120 this.item, |
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121 "ui-sortable-handle" |
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122 ); |
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123 } ); |
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124 }, |
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125 |
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126 _destroy: function() { |
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127 this._mouseDestroy(); |
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128 |
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129 for ( var i = this.items.length - 1; i >= 0; i-- ) { |
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130 this.items[ i ].item.removeData( this.widgetName + "-item" ); |
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131 } |
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132 |
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133 return this; |
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134 }, |
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135 |
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136 _mouseCapture: function( event, overrideHandle ) { |
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137 var currentItem = null, |
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138 validHandle = false, |
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139 that = this; |
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140 |
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141 if ( this.reverting ) { |
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142 return false; |
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143 } |
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144 |
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145 if ( this.options.disabled || this.options.type === "static" ) { |
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146 return false; |
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147 } |
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148 |
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149 //We have to refresh the items data once first |
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150 this._refreshItems( event ); |
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151 |
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152 //Find out if the clicked node (or one of its parents) is a actual item in this.items |
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153 $( event.target ).parents().each( function() { |
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154 if ( $.data( this, that.widgetName + "-item" ) === that ) { |
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155 currentItem = $( this ); |
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156 return false; |
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157 } |
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158 } ); |
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159 if ( $.data( event.target, that.widgetName + "-item" ) === that ) { |
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160 currentItem = $( event.target ); |
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161 } |
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162 |
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163 if ( !currentItem ) { |
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164 return false; |
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165 } |
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166 if ( this.options.handle && !overrideHandle ) { |
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167 $( this.options.handle, currentItem ).find( "*" ).addBack().each( function() { |
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168 if ( this === event.target ) { |
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169 validHandle = true; |
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170 } |
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171 } ); |
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172 if ( !validHandle ) { |
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173 return false; |
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174 } |
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175 } |
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176 |
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177 this.currentItem = currentItem; |
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178 this._removeCurrentsFromItems(); |
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179 return true; |
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180 |
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181 }, |
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182 |
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183 _mouseStart: function( event, overrideHandle, noActivation ) { |
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184 |
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185 var i, body, |
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186 o = this.options; |
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187 |
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188 this.currentContainer = this; |
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189 |
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190 //We only need to call refreshPositions, because the refreshItems call has been moved to |
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191 // mouseCapture |
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192 this.refreshPositions(); |
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193 |
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194 //Create and append the visible helper |
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195 this.helper = this._createHelper( event ); |
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196 |
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197 //Cache the helper size |
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198 this._cacheHelperProportions(); |
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199 |
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200 /* |
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201 * - Position generation - |
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202 * This block generates everything position related - it's the core of draggables. |
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203 */ |
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204 |
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205 //Cache the margins of the original element |
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206 this._cacheMargins(); |
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207 |
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208 //Get the next scrolling parent |
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209 this.scrollParent = this.helper.scrollParent(); |
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210 |
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211 //The element's absolute position on the page minus margins |
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212 this.offset = this.currentItem.offset(); |
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213 this.offset = { |
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214 top: this.offset.top - this.margins.top, |
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215 left: this.offset.left - this.margins.left |
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216 }; |
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217 |
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218 $.extend( this.offset, { |
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219 click: { //Where the click happened, relative to the element |
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220 left: event.pageX - this.offset.left, |
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221 top: event.pageY - this.offset.top |
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222 }, |
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223 parent: this._getParentOffset(), |
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224 |
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225 // This is a relative to absolute position minus the actual position calculation - |
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226 // only used for relative positioned helper |
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227 relative: this._getRelativeOffset() |
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228 } ); |
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229 |
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230 // Only after we got the offset, we can change the helper's position to absolute |
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231 // TODO: Still need to figure out a way to make relative sorting possible |
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232 this.helper.css( "position", "absolute" ); |
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233 this.cssPosition = this.helper.css( "position" ); |
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234 |
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235 //Generate the original position |
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236 this.originalPosition = this._generatePosition( event ); |
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237 this.originalPageX = event.pageX; |
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238 this.originalPageY = event.pageY; |
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239 |
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240 //Adjust the mouse offset relative to the helper if "cursorAt" is supplied |
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241 ( o.cursorAt && this._adjustOffsetFromHelper( o.cursorAt ) ); |
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242 |
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243 //Cache the former DOM position |
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244 this.domPosition = { |
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245 prev: this.currentItem.prev()[ 0 ], |
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246 parent: this.currentItem.parent()[ 0 ] |
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247 }; |
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248 |
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249 // If the helper is not the original, hide the original so it's not playing any role during |
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250 // the drag, won't cause anything bad this way |
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251 if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) { |
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252 this.currentItem.hide(); |
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253 } |
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254 |
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255 //Create the placeholder |
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256 this._createPlaceholder(); |
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257 |
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258 //Set a containment if given in the options |
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259 if ( o.containment ) { |
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260 this._setContainment(); |
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261 } |
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262 |
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263 if ( o.cursor && o.cursor !== "auto" ) { // cursor option |
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264 body = this.document.find( "body" ); |
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265 |
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266 // Support: IE |
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267 this.storedCursor = body.css( "cursor" ); |
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268 body.css( "cursor", o.cursor ); |
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269 |
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270 this.storedStylesheet = |
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271 $( "<style>*{ cursor: " + o.cursor + " !important; }</style>" ).appendTo( body ); |
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272 } |
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273 |
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274 if ( o.opacity ) { // opacity option |
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275 if ( this.helper.css( "opacity" ) ) { |
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276 this._storedOpacity = this.helper.css( "opacity" ); |
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277 } |
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278 this.helper.css( "opacity", o.opacity ); |
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279 } |
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280 |
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281 if ( o.zIndex ) { // zIndex option |
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282 if ( this.helper.css( "zIndex" ) ) { |
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283 this._storedZIndex = this.helper.css( "zIndex" ); |
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284 } |
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285 this.helper.css( "zIndex", o.zIndex ); |
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286 } |
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287 |
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288 //Prepare scrolling |
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289 if ( this.scrollParent[ 0 ] !== this.document[ 0 ] && |
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290 this.scrollParent[ 0 ].tagName !== "HTML" ) { |
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291 this.overflowOffset = this.scrollParent.offset(); |
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292 } |
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293 |
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294 //Call callbacks |
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295 this._trigger( "start", event, this._uiHash() ); |
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296 |
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297 //Recache the helper size |
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298 if ( !this._preserveHelperProportions ) { |
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299 this._cacheHelperProportions(); |
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300 } |
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301 |
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302 //Post "activate" events to possible containers |
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303 if ( !noActivation ) { |
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304 for ( i = this.containers.length - 1; i >= 0; i-- ) { |
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305 this.containers[ i ]._trigger( "activate", event, this._uiHash( this ) ); |
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306 } |
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307 } |
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308 |
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309 //Prepare possible droppables |
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310 if ( $.ui.ddmanager ) { |
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311 $.ui.ddmanager.current = this; |
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312 } |
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313 |
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314 if ( $.ui.ddmanager && !o.dropBehaviour ) { |
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315 $.ui.ddmanager.prepareOffsets( this, event ); |
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316 } |
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317 |
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318 this.dragging = true; |
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319 |
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320 this._addClass( this.helper, "ui-sortable-helper" ); |
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321 |
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322 // Execute the drag once - this causes the helper not to be visiblebefore getting its |
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323 // correct position |
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324 this._mouseDrag( event ); |
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325 return true; |
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326 |
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327 }, |
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328 |
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329 _mouseDrag: function( event ) { |
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330 var i, item, itemElement, intersection, |
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331 o = this.options, |
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332 scrolled = false; |
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333 |
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334 //Compute the helpers position |
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335 this.position = this._generatePosition( event ); |
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336 this.positionAbs = this._convertPositionTo( "absolute" ); |
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337 |
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338 if ( !this.lastPositionAbs ) { |
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339 this.lastPositionAbs = this.positionAbs; |
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340 } |
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341 |
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342 //Do scrolling |
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343 if ( this.options.scroll ) { |
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344 if ( this.scrollParent[ 0 ] !== this.document[ 0 ] && |
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345 this.scrollParent[ 0 ].tagName !== "HTML" ) { |
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346 |
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347 if ( ( this.overflowOffset.top + this.scrollParent[ 0 ].offsetHeight ) - |
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348 event.pageY < o.scrollSensitivity ) { |
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349 this.scrollParent[ 0 ].scrollTop = |
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350 scrolled = this.scrollParent[ 0 ].scrollTop + o.scrollSpeed; |
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351 } else if ( event.pageY - this.overflowOffset.top < o.scrollSensitivity ) { |
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352 this.scrollParent[ 0 ].scrollTop = |
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353 scrolled = this.scrollParent[ 0 ].scrollTop - o.scrollSpeed; |
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354 } |
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355 |
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356 if ( ( this.overflowOffset.left + this.scrollParent[ 0 ].offsetWidth ) - |
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357 event.pageX < o.scrollSensitivity ) { |
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358 this.scrollParent[ 0 ].scrollLeft = scrolled = |
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359 this.scrollParent[ 0 ].scrollLeft + o.scrollSpeed; |
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360 } else if ( event.pageX - this.overflowOffset.left < o.scrollSensitivity ) { |
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361 this.scrollParent[ 0 ].scrollLeft = scrolled = |
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362 this.scrollParent[ 0 ].scrollLeft - o.scrollSpeed; |
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363 } |
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364 |
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365 } else { |
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366 |
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367 if ( event.pageY - this.document.scrollTop() < o.scrollSensitivity ) { |
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368 scrolled = this.document.scrollTop( this.document.scrollTop() - o.scrollSpeed ); |
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369 } else if ( this.window.height() - ( event.pageY - this.document.scrollTop() ) < |
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370 o.scrollSensitivity ) { |
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371 scrolled = this.document.scrollTop( this.document.scrollTop() + o.scrollSpeed ); |
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372 } |
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373 |
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374 if ( event.pageX - this.document.scrollLeft() < o.scrollSensitivity ) { |
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375 scrolled = this.document.scrollLeft( |
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376 this.document.scrollLeft() - o.scrollSpeed |
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377 ); |
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378 } else if ( this.window.width() - ( event.pageX - this.document.scrollLeft() ) < |
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379 o.scrollSensitivity ) { |
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380 scrolled = this.document.scrollLeft( |
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381 this.document.scrollLeft() + o.scrollSpeed |
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382 ); |
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383 } |
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384 |
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385 } |
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386 |
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387 if ( scrolled !== false && $.ui.ddmanager && !o.dropBehaviour ) { |
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388 $.ui.ddmanager.prepareOffsets( this, event ); |
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389 } |
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390 } |
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391 |
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392 //Regenerate the absolute position used for position checks |
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393 this.positionAbs = this._convertPositionTo( "absolute" ); |
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394 |
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395 //Set the helper position |
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396 if ( !this.options.axis || this.options.axis !== "y" ) { |
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397 this.helper[ 0 ].style.left = this.position.left + "px"; |
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398 } |
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399 if ( !this.options.axis || this.options.axis !== "x" ) { |
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400 this.helper[ 0 ].style.top = this.position.top + "px"; |
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401 } |
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402 |
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403 //Rearrange |
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404 for ( i = this.items.length - 1; i >= 0; i-- ) { |
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405 |
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406 //Cache variables and intersection, continue if no intersection |
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407 item = this.items[ i ]; |
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408 itemElement = item.item[ 0 ]; |
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409 intersection = this._intersectsWithPointer( item ); |
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410 if ( !intersection ) { |
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411 continue; |
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412 } |
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413 |
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414 // Only put the placeholder inside the current Container, skip all |
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415 // items from other containers. This works because when moving |
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416 // an item from one container to another the |
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417 // currentContainer is switched before the placeholder is moved. |
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418 // |
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419 // Without this, moving items in "sub-sortables" can cause |
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420 // the placeholder to jitter between the outer and inner container. |
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421 if ( item.instance !== this.currentContainer ) { |
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422 continue; |
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423 } |
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424 |
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425 // Cannot intersect with itself |
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426 // no useless actions that have been done before |
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427 // no action if the item moved is the parent of the item checked |
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428 if ( itemElement !== this.currentItem[ 0 ] && |
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429 this.placeholder[ intersection === 1 ? "next" : "prev" ]()[ 0 ] !== itemElement && |
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430 !$.contains( this.placeholder[ 0 ], itemElement ) && |
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431 ( this.options.type === "semi-dynamic" ? |
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432 !$.contains( this.element[ 0 ], itemElement ) : |
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433 true |
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434 ) |
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435 ) { |
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436 |
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437 this.direction = intersection === 1 ? "down" : "up"; |
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438 |
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439 if ( this.options.tolerance === "pointer" || this._intersectsWithSides( item ) ) { |
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440 this._rearrange( event, item ); |
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441 } else { |
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442 break; |
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443 } |
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444 |
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445 this._trigger( "change", event, this._uiHash() ); |
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446 break; |
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447 } |
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448 } |
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449 |
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450 //Post events to containers |
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451 this._contactContainers( event ); |
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452 |
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453 //Interconnect with droppables |
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454 if ( $.ui.ddmanager ) { |
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455 $.ui.ddmanager.drag( this, event ); |
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456 } |
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457 |
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458 //Call callbacks |
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459 this._trigger( "sort", event, this._uiHash() ); |
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460 |
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461 this.lastPositionAbs = this.positionAbs; |
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462 return false; |
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463 |
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464 }, |
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465 |
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466 _mouseStop: function( event, noPropagation ) { |
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467 |
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468 if ( !event ) { |
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469 return; |
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470 } |
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471 |
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472 //If we are using droppables, inform the manager about the drop |
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473 if ( $.ui.ddmanager && !this.options.dropBehaviour ) { |
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474 $.ui.ddmanager.drop( this, event ); |
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475 } |
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476 |
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477 if ( this.options.revert ) { |
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478 var that = this, |
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479 cur = this.placeholder.offset(), |
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480 axis = this.options.axis, |
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481 animation = {}; |
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482 |
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483 if ( !axis || axis === "x" ) { |
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484 animation.left = cur.left - this.offset.parent.left - this.margins.left + |
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485 ( this.offsetParent[ 0 ] === this.document[ 0 ].body ? |
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486 0 : |
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487 this.offsetParent[ 0 ].scrollLeft |
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488 ); |
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489 } |
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490 if ( !axis || axis === "y" ) { |
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491 animation.top = cur.top - this.offset.parent.top - this.margins.top + |
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492 ( this.offsetParent[ 0 ] === this.document[ 0 ].body ? |
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493 0 : |
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494 this.offsetParent[ 0 ].scrollTop |
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495 ); |
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496 } |
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497 this.reverting = true; |
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498 $( this.helper ).animate( |
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499 animation, |
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500 parseInt( this.options.revert, 10 ) || 500, |
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501 function() { |
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502 that._clear( event ); |
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503 } |
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504 ); |
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505 } else { |
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506 this._clear( event, noPropagation ); |
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507 } |
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508 |
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509 return false; |
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510 |
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511 }, |
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512 |
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513 cancel: function() { |
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514 |
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515 if ( this.dragging ) { |
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516 |
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517 this._mouseUp( new $.Event( "mouseup", { target: null } ) ); |
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518 |
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519 if ( this.options.helper === "original" ) { |
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520 this.currentItem.css( this._storedCSS ); |
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521 this._removeClass( this.currentItem, "ui-sortable-helper" ); |
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522 } else { |
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523 this.currentItem.show(); |
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524 } |
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525 |
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526 //Post deactivating events to containers |
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527 for ( var i = this.containers.length - 1; i >= 0; i-- ) { |
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528 this.containers[ i ]._trigger( "deactivate", null, this._uiHash( this ) ); |
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529 if ( this.containers[ i ].containerCache.over ) { |
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530 this.containers[ i ]._trigger( "out", null, this._uiHash( this ) ); |
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531 this.containers[ i ].containerCache.over = 0; |
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532 } |
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533 } |
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534 |
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535 } |
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536 |
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537 if ( this.placeholder ) { |
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538 |
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539 //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, |
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540 // it unbinds ALL events from the original node! |
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541 if ( this.placeholder[ 0 ].parentNode ) { |
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542 this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] ); |
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543 } |
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544 if ( this.options.helper !== "original" && this.helper && |
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545 this.helper[ 0 ].parentNode ) { |
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546 this.helper.remove(); |
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547 } |
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548 |
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549 $.extend( this, { |
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550 helper: null, |
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551 dragging: false, |
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552 reverting: false, |
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553 _noFinalSort: null |
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554 } ); |
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555 |
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556 if ( this.domPosition.prev ) { |
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557 $( this.domPosition.prev ).after( this.currentItem ); |
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558 } else { |
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559 $( this.domPosition.parent ).prepend( this.currentItem ); |
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560 } |
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561 } |
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562 |
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563 return this; |
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564 |
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565 }, |
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566 |
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567 serialize: function( o ) { |
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568 |
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569 var items = this._getItemsAsjQuery( o && o.connected ), |
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570 str = []; |
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571 o = o || {}; |
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572 |
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573 $( items ).each( function() { |
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574 var res = ( $( o.item || this ).attr( o.attribute || "id" ) || "" ) |
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575 .match( o.expression || ( /(.+)[\-=_](.+)/ ) ); |
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576 if ( res ) { |
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577 str.push( |
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578 ( o.key || res[ 1 ] + "[]" ) + |
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579 "=" + ( o.key && o.expression ? res[ 1 ] : res[ 2 ] ) ); |
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580 } |
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581 } ); |
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582 |
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583 if ( !str.length && o.key ) { |
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584 str.push( o.key + "=" ); |
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585 } |
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586 |
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587 return str.join( "&" ); |
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588 |
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589 }, |
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590 |
|
591 toArray: function( o ) { |
|
592 |
|
593 var items = this._getItemsAsjQuery( o && o.connected ), |
|
594 ret = []; |
|
595 |
|
596 o = o || {}; |
|
597 |
|
598 items.each( function() { |
|
599 ret.push( $( o.item || this ).attr( o.attribute || "id" ) || "" ); |
|
600 } ); |
|
601 return ret; |
|
602 |
|
603 }, |
|
604 |
|
605 /* Be careful with the following core functions */ |
|
606 _intersectsWith: function( item ) { |
|
607 |
|
608 var x1 = this.positionAbs.left, |
|
609 x2 = x1 + this.helperProportions.width, |
|
610 y1 = this.positionAbs.top, |
|
611 y2 = y1 + this.helperProportions.height, |
|
612 l = item.left, |
|
613 r = l + item.width, |
|
614 t = item.top, |
|
615 b = t + item.height, |
|
616 dyClick = this.offset.click.top, |
|
617 dxClick = this.offset.click.left, |
|
618 isOverElementHeight = ( this.options.axis === "x" ) || ( ( y1 + dyClick ) > t && |
|
619 ( y1 + dyClick ) < b ), |
|
620 isOverElementWidth = ( this.options.axis === "y" ) || ( ( x1 + dxClick ) > l && |
|
621 ( x1 + dxClick ) < r ), |
|
622 isOverElement = isOverElementHeight && isOverElementWidth; |
|
623 |
|
624 if ( this.options.tolerance === "pointer" || |
|
625 this.options.forcePointerForContainers || |
|
626 ( this.options.tolerance !== "pointer" && |
|
627 this.helperProportions[ this.floating ? "width" : "height" ] > |
|
628 item[ this.floating ? "width" : "height" ] ) |
|
629 ) { |
|
630 return isOverElement; |
|
631 } else { |
|
632 |
|
633 return ( l < x1 + ( this.helperProportions.width / 2 ) && // Right Half |
|
634 x2 - ( this.helperProportions.width / 2 ) < r && // Left Half |
|
635 t < y1 + ( this.helperProportions.height / 2 ) && // Bottom Half |
|
636 y2 - ( this.helperProportions.height / 2 ) < b ); // Top Half |
|
637 |
|
638 } |
|
639 }, |
|
640 |
|
641 _intersectsWithPointer: function( item ) { |
|
642 var verticalDirection, horizontalDirection, |
|
643 isOverElementHeight = ( this.options.axis === "x" ) || |
|
644 this._isOverAxis( |
|
645 this.positionAbs.top + this.offset.click.top, item.top, item.height ), |
|
646 isOverElementWidth = ( this.options.axis === "y" ) || |
|
647 this._isOverAxis( |
|
648 this.positionAbs.left + this.offset.click.left, item.left, item.width ), |
|
649 isOverElement = isOverElementHeight && isOverElementWidth; |
|
650 |
|
651 if ( !isOverElement ) { |
|
652 return false; |
|
653 } |
|
654 |
|
655 verticalDirection = this._getDragVerticalDirection(); |
|
656 horizontalDirection = this._getDragHorizontalDirection(); |
|
657 |
|
658 return this.floating ? |
|
659 ( ( horizontalDirection === "right" || verticalDirection === "down" ) ? 2 : 1 ) |
|
660 : ( verticalDirection && ( verticalDirection === "down" ? 2 : 1 ) ); |
|
661 |
|
662 }, |
|
663 |
|
664 _intersectsWithSides: function( item ) { |
|
665 |
|
666 var isOverBottomHalf = this._isOverAxis( this.positionAbs.top + |
|
667 this.offset.click.top, item.top + ( item.height / 2 ), item.height ), |
|
668 isOverRightHalf = this._isOverAxis( this.positionAbs.left + |
|
669 this.offset.click.left, item.left + ( item.width / 2 ), item.width ), |
|
670 verticalDirection = this._getDragVerticalDirection(), |
|
671 horizontalDirection = this._getDragHorizontalDirection(); |
|
672 |
|
673 if ( this.floating && horizontalDirection ) { |
|
674 return ( ( horizontalDirection === "right" && isOverRightHalf ) || |
|
675 ( horizontalDirection === "left" && !isOverRightHalf ) ); |
|
676 } else { |
|
677 return verticalDirection && ( ( verticalDirection === "down" && isOverBottomHalf ) || |
|
678 ( verticalDirection === "up" && !isOverBottomHalf ) ); |
|
679 } |
|
680 |
|
681 }, |
|
682 |
|
683 _getDragVerticalDirection: function() { |
|
684 var delta = this.positionAbs.top - this.lastPositionAbs.top; |
|
685 return delta !== 0 && ( delta > 0 ? "down" : "up" ); |
|
686 }, |
|
687 |
|
688 _getDragHorizontalDirection: function() { |
|
689 var delta = this.positionAbs.left - this.lastPositionAbs.left; |
|
690 return delta !== 0 && ( delta > 0 ? "right" : "left" ); |
|
691 }, |
|
692 |
|
693 refresh: function( event ) { |
|
694 this._refreshItems( event ); |
|
695 this._setHandleClassName(); |
|
696 this.refreshPositions(); |
|
697 return this; |
|
698 }, |
|
699 |
|
700 _connectWith: function() { |
|
701 var options = this.options; |
|
702 return options.connectWith.constructor === String ? |
|
703 [ options.connectWith ] : |
|
704 options.connectWith; |
|
705 }, |
|
706 |
|
707 _getItemsAsjQuery: function( connected ) { |
|
708 |
|
709 var i, j, cur, inst, |
|
710 items = [], |
|
711 queries = [], |
|
712 connectWith = this._connectWith(); |
|
713 |
|
714 if ( connectWith && connected ) { |
|
715 for ( i = connectWith.length - 1; i >= 0; i-- ) { |
|
716 cur = $( connectWith[ i ], this.document[ 0 ] ); |
|
717 for ( j = cur.length - 1; j >= 0; j-- ) { |
|
718 inst = $.data( cur[ j ], this.widgetFullName ); |
|
719 if ( inst && inst !== this && !inst.options.disabled ) { |
|
720 queries.push( [ $.isFunction( inst.options.items ) ? |
|
721 inst.options.items.call( inst.element ) : |
|
722 $( inst.options.items, inst.element ) |
|
723 .not( ".ui-sortable-helper" ) |
|
724 .not( ".ui-sortable-placeholder" ), inst ] ); |
|
725 } |
|
726 } |
|
727 } |
|
728 } |
|
729 |
|
730 queries.push( [ $.isFunction( this.options.items ) ? |
|
731 this.options.items |
|
732 .call( this.element, null, { options: this.options, item: this.currentItem } ) : |
|
733 $( this.options.items, this.element ) |
|
734 .not( ".ui-sortable-helper" ) |
|
735 .not( ".ui-sortable-placeholder" ), this ] ); |
|
736 |
|
737 function addItems() { |
|
738 items.push( this ); |
|
739 } |
|
740 for ( i = queries.length - 1; i >= 0; i-- ) { |
|
741 queries[ i ][ 0 ].each( addItems ); |
|
742 } |
|
743 |
|
744 return $( items ); |
|
745 |
|
746 }, |
|
747 |
|
748 _removeCurrentsFromItems: function() { |
|
749 |
|
750 var list = this.currentItem.find( ":data(" + this.widgetName + "-item)" ); |
|
751 |
|
752 this.items = $.grep( this.items, function( item ) { |
|
753 for ( var j = 0; j < list.length; j++ ) { |
|
754 if ( list[ j ] === item.item[ 0 ] ) { |
|
755 return false; |
|
756 } |
|
757 } |
|
758 return true; |
|
759 } ); |
|
760 |
|
761 }, |
|
762 |
|
763 _refreshItems: function( event ) { |
|
764 |
|
765 this.items = []; |
|
766 this.containers = [ this ]; |
|
767 |
|
768 var i, j, cur, inst, targetData, _queries, item, queriesLength, |
|
769 items = this.items, |
|
770 queries = [ [ $.isFunction( this.options.items ) ? |
|
771 this.options.items.call( this.element[ 0 ], event, { item: this.currentItem } ) : |
|
772 $( this.options.items, this.element ), this ] ], |
|
773 connectWith = this._connectWith(); |
|
774 |
|
775 //Shouldn't be run the first time through due to massive slow-down |
|
776 if ( connectWith && this.ready ) { |
|
777 for ( i = connectWith.length - 1; i >= 0; i-- ) { |
|
778 cur = $( connectWith[ i ], this.document[ 0 ] ); |
|
779 for ( j = cur.length - 1; j >= 0; j-- ) { |
|
780 inst = $.data( cur[ j ], this.widgetFullName ); |
|
781 if ( inst && inst !== this && !inst.options.disabled ) { |
|
782 queries.push( [ $.isFunction( inst.options.items ) ? |
|
783 inst.options.items |
|
784 .call( inst.element[ 0 ], event, { item: this.currentItem } ) : |
|
785 $( inst.options.items, inst.element ), inst ] ); |
|
786 this.containers.push( inst ); |
|
787 } |
|
788 } |
|
789 } |
|
790 } |
|
791 |
|
792 for ( i = queries.length - 1; i >= 0; i-- ) { |
|
793 targetData = queries[ i ][ 1 ]; |
|
794 _queries = queries[ i ][ 0 ]; |
|
795 |
|
796 for ( j = 0, queriesLength = _queries.length; j < queriesLength; j++ ) { |
|
797 item = $( _queries[ j ] ); |
|
798 |
|
799 // Data for target checking (mouse manager) |
|
800 item.data( this.widgetName + "-item", targetData ); |
|
801 |
|
802 items.push( { |
|
803 item: item, |
|
804 instance: targetData, |
|
805 width: 0, height: 0, |
|
806 left: 0, top: 0 |
|
807 } ); |
|
808 } |
|
809 } |
|
810 |
|
811 }, |
|
812 |
|
813 refreshPositions: function( fast ) { |
|
814 |
|
815 // Determine whether items are being displayed horizontally |
|
816 this.floating = this.items.length ? |
|
817 this.options.axis === "x" || this._isFloating( this.items[ 0 ].item ) : |
|
818 false; |
|
819 |
|
820 //This has to be redone because due to the item being moved out/into the offsetParent, |
|
821 // the offsetParent's position will change |
|
822 if ( this.offsetParent && this.helper ) { |
|
823 this.offset.parent = this._getParentOffset(); |
|
824 } |
|
825 |
|
826 var i, item, t, p; |
|
827 |
|
828 for ( i = this.items.length - 1; i >= 0; i-- ) { |
|
829 item = this.items[ i ]; |
|
830 |
|
831 //We ignore calculating positions of all connected containers when we're not over them |
|
832 if ( item.instance !== this.currentContainer && this.currentContainer && |
|
833 item.item[ 0 ] !== this.currentItem[ 0 ] ) { |
|
834 continue; |
|
835 } |
|
836 |
|
837 t = this.options.toleranceElement ? |
|
838 $( this.options.toleranceElement, item.item ) : |
|
839 item.item; |
|
840 |
|
841 if ( !fast ) { |
|
842 item.width = t.outerWidth(); |
|
843 item.height = t.outerHeight(); |
|
844 } |
|
845 |
|
846 p = t.offset(); |
|
847 item.left = p.left; |
|
848 item.top = p.top; |
|
849 } |
|
850 |
|
851 if ( this.options.custom && this.options.custom.refreshContainers ) { |
|
852 this.options.custom.refreshContainers.call( this ); |
|
853 } else { |
|
854 for ( i = this.containers.length - 1; i >= 0; i-- ) { |
|
855 p = this.containers[ i ].element.offset(); |
|
856 this.containers[ i ].containerCache.left = p.left; |
|
857 this.containers[ i ].containerCache.top = p.top; |
|
858 this.containers[ i ].containerCache.width = |
|
859 this.containers[ i ].element.outerWidth(); |
|
860 this.containers[ i ].containerCache.height = |
|
861 this.containers[ i ].element.outerHeight(); |
|
862 } |
|
863 } |
|
864 |
|
865 return this; |
|
866 }, |
|
867 |
|
868 _createPlaceholder: function( that ) { |
|
869 that = that || this; |
|
870 var className, |
|
871 o = that.options; |
|
872 |
|
873 if ( !o.placeholder || o.placeholder.constructor === String ) { |
|
874 className = o.placeholder; |
|
875 o.placeholder = { |
|
876 element: function() { |
|
877 |
|
878 var nodeName = that.currentItem[ 0 ].nodeName.toLowerCase(), |
|
879 element = $( "<" + nodeName + ">", that.document[ 0 ] ); |
|
880 |
|
881 that._addClass( element, "ui-sortable-placeholder", |
|
882 className || that.currentItem[ 0 ].className ) |
|
883 ._removeClass( element, "ui-sortable-helper" ); |
|
884 |
|
885 if ( nodeName === "tbody" ) { |
|
886 that._createTrPlaceholder( |
|
887 that.currentItem.find( "tr" ).eq( 0 ), |
|
888 $( "<tr>", that.document[ 0 ] ).appendTo( element ) |
|
889 ); |
|
890 } else if ( nodeName === "tr" ) { |
|
891 that._createTrPlaceholder( that.currentItem, element ); |
|
892 } else if ( nodeName === "img" ) { |
|
893 element.attr( "src", that.currentItem.attr( "src" ) ); |
|
894 } |
|
895 |
|
896 if ( !className ) { |
|
897 element.css( "visibility", "hidden" ); |
|
898 } |
|
899 |
|
900 return element; |
|
901 }, |
|
902 update: function( container, p ) { |
|
903 |
|
904 // 1. If a className is set as 'placeholder option, we don't force sizes - |
|
905 // the class is responsible for that |
|
906 // 2. The option 'forcePlaceholderSize can be enabled to force it even if a |
|
907 // class name is specified |
|
908 if ( className && !o.forcePlaceholderSize ) { |
|
909 return; |
|
910 } |
|
911 |
|
912 //If the element doesn't have a actual height by itself (without styles coming |
|
913 // from a stylesheet), it receives the inline height from the dragged item |
|
914 if ( !p.height() ) { |
|
915 p.height( |
|
916 that.currentItem.innerHeight() - |
|
917 parseInt( that.currentItem.css( "paddingTop" ) || 0, 10 ) - |
|
918 parseInt( that.currentItem.css( "paddingBottom" ) || 0, 10 ) ); |
|
919 } |
|
920 if ( !p.width() ) { |
|
921 p.width( |
|
922 that.currentItem.innerWidth() - |
|
923 parseInt( that.currentItem.css( "paddingLeft" ) || 0, 10 ) - |
|
924 parseInt( that.currentItem.css( "paddingRight" ) || 0, 10 ) ); |
|
925 } |
|
926 } |
|
927 }; |
|
928 } |
|
929 |
|
930 //Create the placeholder |
|
931 that.placeholder = $( o.placeholder.element.call( that.element, that.currentItem ) ); |
|
932 |
|
933 //Append it after the actual current item |
|
934 that.currentItem.after( that.placeholder ); |
|
935 |
|
936 //Update the size of the placeholder (TODO: Logic to fuzzy, see line 316/317) |
|
937 o.placeholder.update( that, that.placeholder ); |
|
938 |
|
939 }, |
|
940 |
|
941 _createTrPlaceholder: function( sourceTr, targetTr ) { |
|
942 var that = this; |
|
943 |
|
944 sourceTr.children().each( function() { |
|
945 $( "<td> </td>", that.document[ 0 ] ) |
|
946 .attr( "colspan", $( this ).attr( "colspan" ) || 1 ) |
|
947 .appendTo( targetTr ); |
|
948 } ); |
|
949 }, |
|
950 |
|
951 _contactContainers: function( event ) { |
|
952 var i, j, dist, itemWithLeastDistance, posProperty, sizeProperty, cur, nearBottom, |
|
953 floating, axis, |
|
954 innermostContainer = null, |
|
955 innermostIndex = null; |
|
956 |
|
957 // Get innermost container that intersects with item |
|
958 for ( i = this.containers.length - 1; i >= 0; i-- ) { |
|
959 |
|
960 // Never consider a container that's located within the item itself |
|
961 if ( $.contains( this.currentItem[ 0 ], this.containers[ i ].element[ 0 ] ) ) { |
|
962 continue; |
|
963 } |
|
964 |
|
965 if ( this._intersectsWith( this.containers[ i ].containerCache ) ) { |
|
966 |
|
967 // If we've already found a container and it's more "inner" than this, then continue |
|
968 if ( innermostContainer && |
|
969 $.contains( |
|
970 this.containers[ i ].element[ 0 ], |
|
971 innermostContainer.element[ 0 ] ) ) { |
|
972 continue; |
|
973 } |
|
974 |
|
975 innermostContainer = this.containers[ i ]; |
|
976 innermostIndex = i; |
|
977 |
|
978 } else { |
|
979 |
|
980 // container doesn't intersect. trigger "out" event if necessary |
|
981 if ( this.containers[ i ].containerCache.over ) { |
|
982 this.containers[ i ]._trigger( "out", event, this._uiHash( this ) ); |
|
983 this.containers[ i ].containerCache.over = 0; |
|
984 } |
|
985 } |
|
986 |
|
987 } |
|
988 |
|
989 // If no intersecting containers found, return |
|
990 if ( !innermostContainer ) { |
|
991 return; |
|
992 } |
|
993 |
|
994 // Move the item into the container if it's not there already |
|
995 if ( this.containers.length === 1 ) { |
|
996 if ( !this.containers[ innermostIndex ].containerCache.over ) { |
|
997 this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) ); |
|
998 this.containers[ innermostIndex ].containerCache.over = 1; |
|
999 } |
|
1000 } else { |
|
1001 |
|
1002 // When entering a new container, we will find the item with the least distance and |
|
1003 // append our item near it |
|
1004 dist = 10000; |
|
1005 itemWithLeastDistance = null; |
|
1006 floating = innermostContainer.floating || this._isFloating( this.currentItem ); |
|
1007 posProperty = floating ? "left" : "top"; |
|
1008 sizeProperty = floating ? "width" : "height"; |
|
1009 axis = floating ? "pageX" : "pageY"; |
|
1010 |
|
1011 for ( j = this.items.length - 1; j >= 0; j-- ) { |
|
1012 if ( !$.contains( |
|
1013 this.containers[ innermostIndex ].element[ 0 ], this.items[ j ].item[ 0 ] ) |
|
1014 ) { |
|
1015 continue; |
|
1016 } |
|
1017 if ( this.items[ j ].item[ 0 ] === this.currentItem[ 0 ] ) { |
|
1018 continue; |
|
1019 } |
|
1020 |
|
1021 cur = this.items[ j ].item.offset()[ posProperty ]; |
|
1022 nearBottom = false; |
|
1023 if ( event[ axis ] - cur > this.items[ j ][ sizeProperty ] / 2 ) { |
|
1024 nearBottom = true; |
|
1025 } |
|
1026 |
|
1027 if ( Math.abs( event[ axis ] - cur ) < dist ) { |
|
1028 dist = Math.abs( event[ axis ] - cur ); |
|
1029 itemWithLeastDistance = this.items[ j ]; |
|
1030 this.direction = nearBottom ? "up" : "down"; |
|
1031 } |
|
1032 } |
|
1033 |
|
1034 //Check if dropOnEmpty is enabled |
|
1035 if ( !itemWithLeastDistance && !this.options.dropOnEmpty ) { |
|
1036 return; |
|
1037 } |
|
1038 |
|
1039 if ( this.currentContainer === this.containers[ innermostIndex ] ) { |
|
1040 if ( !this.currentContainer.containerCache.over ) { |
|
1041 this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash() ); |
|
1042 this.currentContainer.containerCache.over = 1; |
|
1043 } |
|
1044 return; |
|
1045 } |
|
1046 |
|
1047 itemWithLeastDistance ? |
|
1048 this._rearrange( event, itemWithLeastDistance, null, true ) : |
|
1049 this._rearrange( event, null, this.containers[ innermostIndex ].element, true ); |
|
1050 this._trigger( "change", event, this._uiHash() ); |
|
1051 this.containers[ innermostIndex ]._trigger( "change", event, this._uiHash( this ) ); |
|
1052 this.currentContainer = this.containers[ innermostIndex ]; |
|
1053 |
|
1054 //Update the placeholder |
|
1055 this.options.placeholder.update( this.currentContainer, this.placeholder ); |
|
1056 |
|
1057 this.containers[ innermostIndex ]._trigger( "over", event, this._uiHash( this ) ); |
|
1058 this.containers[ innermostIndex ].containerCache.over = 1; |
|
1059 } |
|
1060 |
|
1061 }, |
|
1062 |
|
1063 _createHelper: function( event ) { |
|
1064 |
|
1065 var o = this.options, |
|
1066 helper = $.isFunction( o.helper ) ? |
|
1067 $( o.helper.apply( this.element[ 0 ], [ event, this.currentItem ] ) ) : |
|
1068 ( o.helper === "clone" ? this.currentItem.clone() : this.currentItem ); |
|
1069 |
|
1070 //Add the helper to the DOM if that didn't happen already |
|
1071 if ( !helper.parents( "body" ).length ) { |
|
1072 $( o.appendTo !== "parent" ? |
|
1073 o.appendTo : |
|
1074 this.currentItem[ 0 ].parentNode )[ 0 ].appendChild( helper[ 0 ] ); |
|
1075 } |
|
1076 |
|
1077 if ( helper[ 0 ] === this.currentItem[ 0 ] ) { |
|
1078 this._storedCSS = { |
|
1079 width: this.currentItem[ 0 ].style.width, |
|
1080 height: this.currentItem[ 0 ].style.height, |
|
1081 position: this.currentItem.css( "position" ), |
|
1082 top: this.currentItem.css( "top" ), |
|
1083 left: this.currentItem.css( "left" ) |
|
1084 }; |
|
1085 } |
|
1086 |
|
1087 if ( !helper[ 0 ].style.width || o.forceHelperSize ) { |
|
1088 helper.width( this.currentItem.width() ); |
|
1089 } |
|
1090 if ( !helper[ 0 ].style.height || o.forceHelperSize ) { |
|
1091 helper.height( this.currentItem.height() ); |
|
1092 } |
|
1093 |
|
1094 return helper; |
|
1095 |
|
1096 }, |
|
1097 |
|
1098 _adjustOffsetFromHelper: function( obj ) { |
|
1099 if ( typeof obj === "string" ) { |
|
1100 obj = obj.split( " " ); |
|
1101 } |
|
1102 if ( $.isArray( obj ) ) { |
|
1103 obj = { left: +obj[ 0 ], top: +obj[ 1 ] || 0 }; |
|
1104 } |
|
1105 if ( "left" in obj ) { |
|
1106 this.offset.click.left = obj.left + this.margins.left; |
|
1107 } |
|
1108 if ( "right" in obj ) { |
|
1109 this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; |
|
1110 } |
|
1111 if ( "top" in obj ) { |
|
1112 this.offset.click.top = obj.top + this.margins.top; |
|
1113 } |
|
1114 if ( "bottom" in obj ) { |
|
1115 this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; |
|
1116 } |
|
1117 }, |
|
1118 |
|
1119 _getParentOffset: function() { |
|
1120 |
|
1121 //Get the offsetParent and cache its position |
|
1122 this.offsetParent = this.helper.offsetParent(); |
|
1123 var po = this.offsetParent.offset(); |
|
1124 |
|
1125 // This is a special case where we need to modify a offset calculated on start, since the |
|
1126 // following happened: |
|
1127 // 1. The position of the helper is absolute, so it's position is calculated based on the |
|
1128 // next positioned parent |
|
1129 // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't |
|
1130 // the document, which means that the scroll is included in the initial calculation of the |
|
1131 // offset of the parent, and never recalculated upon drag |
|
1132 if ( this.cssPosition === "absolute" && this.scrollParent[ 0 ] !== this.document[ 0 ] && |
|
1133 $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) { |
|
1134 po.left += this.scrollParent.scrollLeft(); |
|
1135 po.top += this.scrollParent.scrollTop(); |
|
1136 } |
|
1137 |
|
1138 // This needs to be actually done for all browsers, since pageX/pageY includes this |
|
1139 // information with an ugly IE fix |
|
1140 if ( this.offsetParent[ 0 ] === this.document[ 0 ].body || |
|
1141 ( this.offsetParent[ 0 ].tagName && |
|
1142 this.offsetParent[ 0 ].tagName.toLowerCase() === "html" && $.ui.ie ) ) { |
|
1143 po = { top: 0, left: 0 }; |
|
1144 } |
|
1145 |
|
1146 return { |
|
1147 top: po.top + ( parseInt( this.offsetParent.css( "borderTopWidth" ), 10 ) || 0 ), |
|
1148 left: po.left + ( parseInt( this.offsetParent.css( "borderLeftWidth" ), 10 ) || 0 ) |
|
1149 }; |
|
1150 |
|
1151 }, |
|
1152 |
|
1153 _getRelativeOffset: function() { |
|
1154 |
|
1155 if ( this.cssPosition === "relative" ) { |
|
1156 var p = this.currentItem.position(); |
|
1157 return { |
|
1158 top: p.top - ( parseInt( this.helper.css( "top" ), 10 ) || 0 ) + |
|
1159 this.scrollParent.scrollTop(), |
|
1160 left: p.left - ( parseInt( this.helper.css( "left" ), 10 ) || 0 ) + |
|
1161 this.scrollParent.scrollLeft() |
|
1162 }; |
|
1163 } else { |
|
1164 return { top: 0, left: 0 }; |
|
1165 } |
|
1166 |
|
1167 }, |
|
1168 |
|
1169 _cacheMargins: function() { |
|
1170 this.margins = { |
|
1171 left: ( parseInt( this.currentItem.css( "marginLeft" ), 10 ) || 0 ), |
|
1172 top: ( parseInt( this.currentItem.css( "marginTop" ), 10 ) || 0 ) |
|
1173 }; |
|
1174 }, |
|
1175 |
|
1176 _cacheHelperProportions: function() { |
|
1177 this.helperProportions = { |
|
1178 width: this.helper.outerWidth(), |
|
1179 height: this.helper.outerHeight() |
|
1180 }; |
|
1181 }, |
|
1182 |
|
1183 _setContainment: function() { |
|
1184 |
|
1185 var ce, co, over, |
|
1186 o = this.options; |
|
1187 if ( o.containment === "parent" ) { |
|
1188 o.containment = this.helper[ 0 ].parentNode; |
|
1189 } |
|
1190 if ( o.containment === "document" || o.containment === "window" ) { |
|
1191 this.containment = [ |
|
1192 0 - this.offset.relative.left - this.offset.parent.left, |
|
1193 0 - this.offset.relative.top - this.offset.parent.top, |
|
1194 o.containment === "document" ? |
|
1195 this.document.width() : |
|
1196 this.window.width() - this.helperProportions.width - this.margins.left, |
|
1197 ( o.containment === "document" ? |
|
1198 ( this.document.height() || document.body.parentNode.scrollHeight ) : |
|
1199 this.window.height() || this.document[ 0 ].body.parentNode.scrollHeight |
|
1200 ) - this.helperProportions.height - this.margins.top |
|
1201 ]; |
|
1202 } |
|
1203 |
|
1204 if ( !( /^(document|window|parent)$/ ).test( o.containment ) ) { |
|
1205 ce = $( o.containment )[ 0 ]; |
|
1206 co = $( o.containment ).offset(); |
|
1207 over = ( $( ce ).css( "overflow" ) !== "hidden" ); |
|
1208 |
|
1209 this.containment = [ |
|
1210 co.left + ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) + |
|
1211 ( parseInt( $( ce ).css( "paddingLeft" ), 10 ) || 0 ) - this.margins.left, |
|
1212 co.top + ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) + |
|
1213 ( parseInt( $( ce ).css( "paddingTop" ), 10 ) || 0 ) - this.margins.top, |
|
1214 co.left + ( over ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) - |
|
1215 ( parseInt( $( ce ).css( "borderLeftWidth" ), 10 ) || 0 ) - |
|
1216 ( parseInt( $( ce ).css( "paddingRight" ), 10 ) || 0 ) - |
|
1217 this.helperProportions.width - this.margins.left, |
|
1218 co.top + ( over ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) - |
|
1219 ( parseInt( $( ce ).css( "borderTopWidth" ), 10 ) || 0 ) - |
|
1220 ( parseInt( $( ce ).css( "paddingBottom" ), 10 ) || 0 ) - |
|
1221 this.helperProportions.height - this.margins.top |
|
1222 ]; |
|
1223 } |
|
1224 |
|
1225 }, |
|
1226 |
|
1227 _convertPositionTo: function( d, pos ) { |
|
1228 |
|
1229 if ( !pos ) { |
|
1230 pos = this.position; |
|
1231 } |
|
1232 var mod = d === "absolute" ? 1 : -1, |
|
1233 scroll = this.cssPosition === "absolute" && |
|
1234 !( this.scrollParent[ 0 ] !== this.document[ 0 ] && |
|
1235 $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? |
|
1236 this.offsetParent : |
|
1237 this.scrollParent, |
|
1238 scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName ); |
|
1239 |
|
1240 return { |
|
1241 top: ( |
|
1242 |
|
1243 // The absolute mouse position |
|
1244 pos.top + |
|
1245 |
|
1246 // Only for relative positioned nodes: Relative offset from element to offset parent |
|
1247 this.offset.relative.top * mod + |
|
1248 |
|
1249 // The offsetParent's offset without borders (offset + border) |
|
1250 this.offset.parent.top * mod - |
|
1251 ( ( this.cssPosition === "fixed" ? |
|
1252 -this.scrollParent.scrollTop() : |
|
1253 ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod ) |
|
1254 ), |
|
1255 left: ( |
|
1256 |
|
1257 // The absolute mouse position |
|
1258 pos.left + |
|
1259 |
|
1260 // Only for relative positioned nodes: Relative offset from element to offset parent |
|
1261 this.offset.relative.left * mod + |
|
1262 |
|
1263 // The offsetParent's offset without borders (offset + border) |
|
1264 this.offset.parent.left * mod - |
|
1265 ( ( this.cssPosition === "fixed" ? |
|
1266 -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : |
|
1267 scroll.scrollLeft() ) * mod ) |
|
1268 ) |
|
1269 }; |
|
1270 |
|
1271 }, |
|
1272 |
|
1273 _generatePosition: function( event ) { |
|
1274 |
|
1275 var top, left, |
|
1276 o = this.options, |
|
1277 pageX = event.pageX, |
|
1278 pageY = event.pageY, |
|
1279 scroll = this.cssPosition === "absolute" && |
|
1280 !( this.scrollParent[ 0 ] !== this.document[ 0 ] && |
|
1281 $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? |
|
1282 this.offsetParent : |
|
1283 this.scrollParent, |
|
1284 scrollIsRootNode = ( /(html|body)/i ).test( scroll[ 0 ].tagName ); |
|
1285 |
|
1286 // This is another very weird special case that only happens for relative elements: |
|
1287 // 1. If the css position is relative |
|
1288 // 2. and the scroll parent is the document or similar to the offset parent |
|
1289 // we have to refresh the relative offset during the scroll so there are no jumps |
|
1290 if ( this.cssPosition === "relative" && !( this.scrollParent[ 0 ] !== this.document[ 0 ] && |
|
1291 this.scrollParent[ 0 ] !== this.offsetParent[ 0 ] ) ) { |
|
1292 this.offset.relative = this._getRelativeOffset(); |
|
1293 } |
|
1294 |
|
1295 /* |
|
1296 * - Position constraining - |
|
1297 * Constrain the position to a mix of grid, containment. |
|
1298 */ |
|
1299 |
|
1300 if ( this.originalPosition ) { //If we are not dragging yet, we won't check for options |
|
1301 |
|
1302 if ( this.containment ) { |
|
1303 if ( event.pageX - this.offset.click.left < this.containment[ 0 ] ) { |
|
1304 pageX = this.containment[ 0 ] + this.offset.click.left; |
|
1305 } |
|
1306 if ( event.pageY - this.offset.click.top < this.containment[ 1 ] ) { |
|
1307 pageY = this.containment[ 1 ] + this.offset.click.top; |
|
1308 } |
|
1309 if ( event.pageX - this.offset.click.left > this.containment[ 2 ] ) { |
|
1310 pageX = this.containment[ 2 ] + this.offset.click.left; |
|
1311 } |
|
1312 if ( event.pageY - this.offset.click.top > this.containment[ 3 ] ) { |
|
1313 pageY = this.containment[ 3 ] + this.offset.click.top; |
|
1314 } |
|
1315 } |
|
1316 |
|
1317 if ( o.grid ) { |
|
1318 top = this.originalPageY + Math.round( ( pageY - this.originalPageY ) / |
|
1319 o.grid[ 1 ] ) * o.grid[ 1 ]; |
|
1320 pageY = this.containment ? |
|
1321 ( ( top - this.offset.click.top >= this.containment[ 1 ] && |
|
1322 top - this.offset.click.top <= this.containment[ 3 ] ) ? |
|
1323 top : |
|
1324 ( ( top - this.offset.click.top >= this.containment[ 1 ] ) ? |
|
1325 top - o.grid[ 1 ] : top + o.grid[ 1 ] ) ) : |
|
1326 top; |
|
1327 |
|
1328 left = this.originalPageX + Math.round( ( pageX - this.originalPageX ) / |
|
1329 o.grid[ 0 ] ) * o.grid[ 0 ]; |
|
1330 pageX = this.containment ? |
|
1331 ( ( left - this.offset.click.left >= this.containment[ 0 ] && |
|
1332 left - this.offset.click.left <= this.containment[ 2 ] ) ? |
|
1333 left : |
|
1334 ( ( left - this.offset.click.left >= this.containment[ 0 ] ) ? |
|
1335 left - o.grid[ 0 ] : left + o.grid[ 0 ] ) ) : |
|
1336 left; |
|
1337 } |
|
1338 |
|
1339 } |
|
1340 |
|
1341 return { |
|
1342 top: ( |
|
1343 |
|
1344 // The absolute mouse position |
|
1345 pageY - |
|
1346 |
|
1347 // Click offset (relative to the element) |
|
1348 this.offset.click.top - |
|
1349 |
|
1350 // Only for relative positioned nodes: Relative offset from element to offset parent |
|
1351 this.offset.relative.top - |
|
1352 |
|
1353 // The offsetParent's offset without borders (offset + border) |
|
1354 this.offset.parent.top + |
|
1355 ( ( this.cssPosition === "fixed" ? |
|
1356 -this.scrollParent.scrollTop() : |
|
1357 ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) ) |
|
1358 ), |
|
1359 left: ( |
|
1360 |
|
1361 // The absolute mouse position |
|
1362 pageX - |
|
1363 |
|
1364 // Click offset (relative to the element) |
|
1365 this.offset.click.left - |
|
1366 |
|
1367 // Only for relative positioned nodes: Relative offset from element to offset parent |
|
1368 this.offset.relative.left - |
|
1369 |
|
1370 // The offsetParent's offset without borders (offset + border) |
|
1371 this.offset.parent.left + |
|
1372 ( ( this.cssPosition === "fixed" ? |
|
1373 -this.scrollParent.scrollLeft() : |
|
1374 scrollIsRootNode ? 0 : scroll.scrollLeft() ) ) |
|
1375 ) |
|
1376 }; |
|
1377 |
|
1378 }, |
|
1379 |
|
1380 _rearrange: function( event, i, a, hardRefresh ) { |
|
1381 |
|
1382 a ? a[ 0 ].appendChild( this.placeholder[ 0 ] ) : |
|
1383 i.item[ 0 ].parentNode.insertBefore( this.placeholder[ 0 ], |
|
1384 ( this.direction === "down" ? i.item[ 0 ] : i.item[ 0 ].nextSibling ) ); |
|
1385 |
|
1386 //Various things done here to improve the performance: |
|
1387 // 1. we create a setTimeout, that calls refreshPositions |
|
1388 // 2. on the instance, we have a counter variable, that get's higher after every append |
|
1389 // 3. on the local scope, we copy the counter variable, and check in the timeout, |
|
1390 // if it's still the same |
|
1391 // 4. this lets only the last addition to the timeout stack through |
|
1392 this.counter = this.counter ? ++this.counter : 1; |
|
1393 var counter = this.counter; |
|
1394 |
|
1395 this._delay( function() { |
|
1396 if ( counter === this.counter ) { |
|
1397 |
|
1398 //Precompute after each DOM insertion, NOT on mousemove |
|
1399 this.refreshPositions( !hardRefresh ); |
|
1400 } |
|
1401 } ); |
|
1402 |
|
1403 }, |
|
1404 |
|
1405 _clear: function( event, noPropagation ) { |
|
1406 |
|
1407 this.reverting = false; |
|
1408 |
|
1409 // We delay all events that have to be triggered to after the point where the placeholder |
|
1410 // has been removed and everything else normalized again |
|
1411 var i, |
|
1412 delayedTriggers = []; |
|
1413 |
|
1414 // We first have to update the dom position of the actual currentItem |
|
1415 // Note: don't do it if the current item is already removed (by a user), or it gets |
|
1416 // reappended (see #4088) |
|
1417 if ( !this._noFinalSort && this.currentItem.parent().length ) { |
|
1418 this.placeholder.before( this.currentItem ); |
|
1419 } |
|
1420 this._noFinalSort = null; |
|
1421 |
|
1422 if ( this.helper[ 0 ] === this.currentItem[ 0 ] ) { |
|
1423 for ( i in this._storedCSS ) { |
|
1424 if ( this._storedCSS[ i ] === "auto" || this._storedCSS[ i ] === "static" ) { |
|
1425 this._storedCSS[ i ] = ""; |
|
1426 } |
|
1427 } |
|
1428 this.currentItem.css( this._storedCSS ); |
|
1429 this._removeClass( this.currentItem, "ui-sortable-helper" ); |
|
1430 } else { |
|
1431 this.currentItem.show(); |
|
1432 } |
|
1433 |
|
1434 if ( this.fromOutside && !noPropagation ) { |
|
1435 delayedTriggers.push( function( event ) { |
|
1436 this._trigger( "receive", event, this._uiHash( this.fromOutside ) ); |
|
1437 } ); |
|
1438 } |
|
1439 if ( ( this.fromOutside || |
|
1440 this.domPosition.prev !== |
|
1441 this.currentItem.prev().not( ".ui-sortable-helper" )[ 0 ] || |
|
1442 this.domPosition.parent !== this.currentItem.parent()[ 0 ] ) && !noPropagation ) { |
|
1443 |
|
1444 // Trigger update callback if the DOM position has changed |
|
1445 delayedTriggers.push( function( event ) { |
|
1446 this._trigger( "update", event, this._uiHash() ); |
|
1447 } ); |
|
1448 } |
|
1449 |
|
1450 // Check if the items Container has Changed and trigger appropriate |
|
1451 // events. |
|
1452 if ( this !== this.currentContainer ) { |
|
1453 if ( !noPropagation ) { |
|
1454 delayedTriggers.push( function( event ) { |
|
1455 this._trigger( "remove", event, this._uiHash() ); |
|
1456 } ); |
|
1457 delayedTriggers.push( ( function( c ) { |
|
1458 return function( event ) { |
|
1459 c._trigger( "receive", event, this._uiHash( this ) ); |
|
1460 }; |
|
1461 } ).call( this, this.currentContainer ) ); |
|
1462 delayedTriggers.push( ( function( c ) { |
|
1463 return function( event ) { |
|
1464 c._trigger( "update", event, this._uiHash( this ) ); |
|
1465 }; |
|
1466 } ).call( this, this.currentContainer ) ); |
|
1467 } |
|
1468 } |
|
1469 |
|
1470 //Post events to containers |
|
1471 function delayEvent( type, instance, container ) { |
|
1472 return function( event ) { |
|
1473 container._trigger( type, event, instance._uiHash( instance ) ); |
|
1474 }; |
|
1475 } |
|
1476 for ( i = this.containers.length - 1; i >= 0; i-- ) { |
|
1477 if ( !noPropagation ) { |
|
1478 delayedTriggers.push( delayEvent( "deactivate", this, this.containers[ i ] ) ); |
|
1479 } |
|
1480 if ( this.containers[ i ].containerCache.over ) { |
|
1481 delayedTriggers.push( delayEvent( "out", this, this.containers[ i ] ) ); |
|
1482 this.containers[ i ].containerCache.over = 0; |
|
1483 } |
|
1484 } |
|
1485 |
|
1486 //Do what was originally in plugins |
|
1487 if ( this.storedCursor ) { |
|
1488 this.document.find( "body" ).css( "cursor", this.storedCursor ); |
|
1489 this.storedStylesheet.remove(); |
|
1490 } |
|
1491 if ( this._storedOpacity ) { |
|
1492 this.helper.css( "opacity", this._storedOpacity ); |
|
1493 } |
|
1494 if ( this._storedZIndex ) { |
|
1495 this.helper.css( "zIndex", this._storedZIndex === "auto" ? "" : this._storedZIndex ); |
|
1496 } |
|
1497 |
|
1498 this.dragging = false; |
|
1499 |
|
1500 if ( !noPropagation ) { |
|
1501 this._trigger( "beforeStop", event, this._uiHash() ); |
|
1502 } |
|
1503 |
|
1504 //$(this.placeholder[0]).remove(); would have been the jQuery way - unfortunately, |
|
1505 // it unbinds ALL events from the original node! |
|
1506 this.placeholder[ 0 ].parentNode.removeChild( this.placeholder[ 0 ] ); |
|
1507 |
|
1508 if ( !this.cancelHelperRemoval ) { |
|
1509 if ( this.helper[ 0 ] !== this.currentItem[ 0 ] ) { |
|
1510 this.helper.remove(); |
|
1511 } |
|
1512 this.helper = null; |
|
1513 } |
|
1514 |
|
1515 if ( !noPropagation ) { |
|
1516 for ( i = 0; i < delayedTriggers.length; i++ ) { |
|
1517 |
|
1518 // Trigger all delayed events |
|
1519 delayedTriggers[ i ].call( this, event ); |
|
1520 } |
|
1521 this._trigger( "stop", event, this._uiHash() ); |
|
1522 } |
|
1523 |
|
1524 this.fromOutside = false; |
|
1525 return !this.cancelHelperRemoval; |
|
1526 |
|
1527 }, |
|
1528 |
|
1529 _trigger: function() { |
|
1530 if ( $.Widget.prototype._trigger.apply( this, arguments ) === false ) { |
|
1531 this.cancel(); |
|
1532 } |
|
1533 }, |
|
1534 |
|
1535 _uiHash: function( _inst ) { |
|
1536 var inst = _inst || this; |
|
1537 return { |
|
1538 helper: inst.helper, |
|
1539 placeholder: inst.placeholder || $( [] ), |
|
1540 position: inst.position, |
|
1541 originalPosition: inst.originalPosition, |
|
1542 offset: inst.positionAbs, |
|
1543 item: inst.currentItem, |
|
1544 sender: _inst ? _inst.element : null |
|
1545 }; |
|
1546 } |
|
1547 |
|
1548 } ); |
|
1549 |
|
1550 } ) ); |