1 /* |
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2 * jQuery UI Draggable 1.8.1 |
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3 * |
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4 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about) |
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5 * Dual licensed under the MIT (MIT-LICENSE.txt) |
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6 * and GPL (GPL-LICENSE.txt) licenses. |
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7 * |
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8 * http://docs.jquery.com/UI/Draggables |
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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.mouse.js |
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13 * jquery.ui.widget.js |
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14 */ |
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15 (function($) { |
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16 |
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17 $.widget("ui.draggable", $.ui.mouse, { |
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18 widgetEventPrefix: "drag", |
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19 options: { |
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20 addClasses: true, |
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21 appendTo: "parent", |
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22 axis: false, |
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23 connectToSortable: false, |
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24 containment: false, |
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25 cursor: "auto", |
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26 cursorAt: false, |
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27 grid: false, |
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28 handle: false, |
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29 helper: "original", |
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30 iframeFix: false, |
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31 opacity: false, |
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32 refreshPositions: false, |
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33 revert: false, |
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34 revertDuration: 500, |
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35 scope: "default", |
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36 scroll: true, |
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37 scrollSensitivity: 20, |
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38 scrollSpeed: 20, |
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39 snap: false, |
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40 snapMode: "both", |
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41 snapTolerance: 20, |
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42 stack: false, |
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43 zIndex: false |
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44 }, |
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45 _create: function() { |
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46 |
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47 if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position"))) |
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48 this.element[0].style.position = 'relative'; |
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49 |
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50 (this.options.addClasses && this.element.addClass("ui-draggable")); |
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51 (this.options.disabled && this.element.addClass("ui-draggable-disabled")); |
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52 |
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53 this._mouseInit(); |
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54 |
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55 }, |
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56 |
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57 destroy: function() { |
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58 if(!this.element.data('draggable')) return; |
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59 this.element |
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60 .removeData("draggable") |
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61 .unbind(".draggable") |
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62 .removeClass("ui-draggable" |
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63 + " ui-draggable-dragging" |
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64 + " ui-draggable-disabled"); |
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65 this._mouseDestroy(); |
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66 |
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67 return this; |
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68 }, |
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69 |
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70 _mouseCapture: function(event) { |
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71 |
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72 var o = this.options; |
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73 |
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74 // among others, prevent a drag on a resizable-handle |
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75 if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle')) |
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76 return false; |
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77 |
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78 //Quit if we're not on a valid handle |
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79 this.handle = this._getHandle(event); |
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80 if (!this.handle) |
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81 return false; |
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82 |
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83 return true; |
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84 |
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85 }, |
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86 |
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87 _mouseStart: function(event) { |
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88 |
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89 var o = this.options; |
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90 |
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91 //Create and append the visible helper |
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92 this.helper = this._createHelper(event); |
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93 |
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94 //Cache the helper size |
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95 this._cacheHelperProportions(); |
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96 |
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97 //If ddmanager is used for droppables, set the global draggable |
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98 if($.ui.ddmanager) |
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99 $.ui.ddmanager.current = this; |
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100 |
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101 /* |
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102 * - Position generation - |
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103 * This block generates everything position related - it's the core of draggables. |
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104 */ |
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105 |
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106 //Cache the margins of the original element |
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107 this._cacheMargins(); |
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108 |
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109 //Store the helper's css position |
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110 this.cssPosition = this.helper.css("position"); |
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111 this.scrollParent = this.helper.scrollParent(); |
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112 |
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113 //The element's absolute position on the page minus margins |
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114 this.offset = this.positionAbs = this.element.offset(); |
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115 this.offset = { |
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116 top: this.offset.top - this.margins.top, |
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117 left: this.offset.left - this.margins.left |
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118 }; |
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119 |
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120 $.extend(this.offset, { |
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121 click: { //Where the click happened, relative to the element |
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122 left: event.pageX - this.offset.left, |
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123 top: event.pageY - this.offset.top |
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124 }, |
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125 parent: this._getParentOffset(), |
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126 relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper |
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127 }); |
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128 |
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129 //Generate the original position |
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130 this.originalPosition = this.position = this._generatePosition(event); |
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131 this.originalPageX = event.pageX; |
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132 this.originalPageY = event.pageY; |
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133 |
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134 //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied |
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135 (o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)); |
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136 |
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137 //Set a containment if given in the options |
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138 if(o.containment) |
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139 this._setContainment(); |
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140 |
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141 //Trigger event + callbacks |
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142 if(this._trigger("start", event) === false) { |
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143 this._clear(); |
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144 return false; |
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145 } |
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146 |
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147 //Recache the helper size |
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148 this._cacheHelperProportions(); |
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149 |
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150 //Prepare the droppable offsets |
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151 if ($.ui.ddmanager && !o.dropBehaviour) |
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152 $.ui.ddmanager.prepareOffsets(this, event); |
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153 |
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154 this.helper.addClass("ui-draggable-dragging"); |
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155 this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position |
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156 return true; |
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157 }, |
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158 |
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159 _mouseDrag: function(event, noPropagation) { |
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160 |
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161 //Compute the helpers position |
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162 this.position = this._generatePosition(event); |
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163 this.positionAbs = this._convertPositionTo("absolute"); |
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164 |
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165 //Call plugins and callbacks and use the resulting position if something is returned |
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166 if (!noPropagation) { |
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167 var ui = this._uiHash(); |
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168 if(this._trigger('drag', event, ui) === false) { |
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169 this._mouseUp({}); |
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170 return false; |
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171 } |
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172 this.position = ui.position; |
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173 } |
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174 |
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175 if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; |
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176 if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; |
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177 if($.ui.ddmanager) $.ui.ddmanager.drag(this, event); |
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178 |
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179 return false; |
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180 }, |
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181 |
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182 _mouseStop: function(event) { |
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183 |
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184 //If we are using droppables, inform the manager about the drop |
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185 var dropped = false; |
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186 if ($.ui.ddmanager && !this.options.dropBehaviour) |
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187 dropped = $.ui.ddmanager.drop(this, event); |
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188 |
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189 //if a drop comes from outside (a sortable) |
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190 if(this.dropped) { |
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191 dropped = this.dropped; |
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192 this.dropped = false; |
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193 } |
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194 |
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195 //if the original element is removed, don't bother to continue |
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196 if(!this.element[0] || !this.element[0].parentNode) |
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197 return false; |
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198 |
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199 if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) { |
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200 var self = this; |
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201 $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() { |
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202 if(self._trigger("stop", event) !== false) { |
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203 self._clear(); |
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204 } |
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205 }); |
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206 } else { |
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207 if(this._trigger("stop", event) !== false) { |
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208 this._clear(); |
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209 } |
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210 } |
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211 |
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212 return false; |
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213 }, |
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214 |
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215 cancel: function() { |
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216 |
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217 if(this.helper.is(".ui-draggable-dragging")) { |
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218 this._mouseUp({}); |
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219 } else { |
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220 this._clear(); |
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221 } |
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222 |
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223 return this; |
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224 |
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225 }, |
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226 |
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227 _getHandle: function(event) { |
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228 |
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229 var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; |
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230 $(this.options.handle, this.element) |
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231 .find("*") |
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232 .andSelf() |
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233 .each(function() { |
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234 if(this == event.target) handle = true; |
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235 }); |
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236 |
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237 return handle; |
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238 |
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239 }, |
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240 |
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241 _createHelper: function(event) { |
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242 |
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243 var o = this.options; |
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244 var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element); |
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245 |
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246 if(!helper.parents('body').length) |
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247 helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)); |
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248 |
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249 if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) |
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250 helper.css("position", "absolute"); |
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251 |
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252 return helper; |
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253 |
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254 }, |
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255 |
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256 _adjustOffsetFromHelper: function(obj) { |
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257 if (typeof obj == 'string') { |
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258 obj = obj.split(' '); |
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259 } |
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260 if ($.isArray(obj)) { |
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261 obj = {left: +obj[0], top: +obj[1] || 0}; |
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262 } |
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263 if ('left' in obj) { |
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264 this.offset.click.left = obj.left + this.margins.left; |
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265 } |
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266 if ('right' in obj) { |
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267 this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; |
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268 } |
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269 if ('top' in obj) { |
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270 this.offset.click.top = obj.top + this.margins.top; |
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271 } |
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272 if ('bottom' in obj) { |
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273 this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; |
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274 } |
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275 }, |
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276 |
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277 _getParentOffset: function() { |
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278 |
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279 //Get the offsetParent and cache its position |
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280 this.offsetParent = this.helper.offsetParent(); |
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281 var po = this.offsetParent.offset(); |
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282 |
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283 // This is a special case where we need to modify a offset calculated on start, since the following happened: |
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284 // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent |
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285 // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that |
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286 // the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag |
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287 if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) { |
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288 po.left += this.scrollParent.scrollLeft(); |
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289 po.top += this.scrollParent.scrollTop(); |
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290 } |
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291 |
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292 if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information |
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293 || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix |
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294 po = { top: 0, left: 0 }; |
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295 |
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296 return { |
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297 top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), |
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298 left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) |
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299 }; |
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300 |
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301 }, |
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302 |
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303 _getRelativeOffset: function() { |
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304 |
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305 if(this.cssPosition == "relative") { |
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306 var p = this.element.position(); |
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307 return { |
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308 top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(), |
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309 left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() |
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310 }; |
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311 } else { |
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312 return { top: 0, left: 0 }; |
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313 } |
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314 |
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315 }, |
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316 |
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317 _cacheMargins: function() { |
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318 this.margins = { |
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319 left: (parseInt(this.element.css("marginLeft"),10) || 0), |
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320 top: (parseInt(this.element.css("marginTop"),10) || 0) |
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321 }; |
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322 }, |
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323 |
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324 _cacheHelperProportions: function() { |
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325 this.helperProportions = { |
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326 width: this.helper.outerWidth(), |
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327 height: this.helper.outerHeight() |
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328 }; |
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329 }, |
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330 |
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331 _setContainment: function() { |
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332 |
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333 var o = this.options; |
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334 if(o.containment == 'parent') o.containment = this.helper[0].parentNode; |
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335 if(o.containment == 'document' || o.containment == 'window') this.containment = [ |
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336 0 - this.offset.relative.left - this.offset.parent.left, |
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337 0 - this.offset.relative.top - this.offset.parent.top, |
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338 $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left, |
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339 ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top |
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340 ]; |
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341 |
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342 if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) { |
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343 var ce = $(o.containment)[0]; if(!ce) return; |
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344 var co = $(o.containment).offset(); |
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345 var over = ($(ce).css("overflow") != 'hidden'); |
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346 |
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347 this.containment = [ |
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348 co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left, |
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349 co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top, |
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350 co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left, |
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351 co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top |
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352 ]; |
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353 } else if(o.containment.constructor == Array) { |
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354 this.containment = o.containment; |
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355 } |
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356 |
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357 }, |
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358 |
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359 _convertPositionTo: function(d, pos) { |
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360 |
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361 if(!pos) pos = this.position; |
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362 var mod = d == "absolute" ? 1 : -1; |
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363 var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
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364 |
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365 return { |
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366 top: ( |
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367 pos.top // The absolute mouse position |
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368 + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
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369 + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) |
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370 - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod) |
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371 ), |
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372 left: ( |
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373 pos.left // The absolute mouse position |
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374 + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
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375 + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) |
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376 - ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) |
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377 ) |
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378 }; |
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379 |
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380 }, |
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381 |
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382 _generatePosition: function(event) { |
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383 |
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384 var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
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385 var pageX = event.pageX; |
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386 var pageY = event.pageY; |
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387 |
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388 /* |
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389 * - Position constraining - |
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390 * Constrain the position to a mix of grid, containment. |
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391 */ |
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392 |
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393 if(this.originalPosition) { //If we are not dragging yet, we won't check for options |
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394 |
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395 if(this.containment) { |
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396 if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left; |
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397 if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top; |
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398 if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left; |
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399 if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top; |
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400 } |
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401 |
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402 if(o.grid) { |
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403 var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; |
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404 pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; |
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405 |
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406 var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; |
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407 pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; |
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408 } |
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409 |
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410 } |
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411 |
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412 return { |
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413 top: ( |
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414 pageY // The absolute mouse position |
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415 - this.offset.click.top // Click offset (relative to the element) |
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416 - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent |
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417 - this.offset.parent.top // The offsetParent's offset without borders (offset + border) |
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418 + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) |
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419 ), |
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420 left: ( |
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421 pageX // The absolute mouse position |
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422 - this.offset.click.left // Click offset (relative to the element) |
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423 - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent |
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424 - this.offset.parent.left // The offsetParent's offset without borders (offset + border) |
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425 + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) |
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426 ) |
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427 }; |
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428 |
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429 }, |
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430 |
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431 _clear: function() { |
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432 this.helper.removeClass("ui-draggable-dragging"); |
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433 if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove(); |
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434 //if($.ui.ddmanager) $.ui.ddmanager.current = null; |
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435 this.helper = null; |
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436 this.cancelHelperRemoval = false; |
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437 }, |
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438 |
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439 // From now on bulk stuff - mainly helpers |
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440 |
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441 _trigger: function(type, event, ui) { |
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442 ui = ui || this._uiHash(); |
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443 $.ui.plugin.call(this, type, [event, ui]); |
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444 if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins |
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445 return $.Widget.prototype._trigger.call(this, type, event, ui); |
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446 }, |
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447 |
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448 plugins: {}, |
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449 |
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450 _uiHash: function(event) { |
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451 return { |
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452 helper: this.helper, |
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453 position: this.position, |
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454 originalPosition: this.originalPosition, |
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455 offset: this.positionAbs |
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456 }; |
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457 } |
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458 |
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459 }); |
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460 |
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461 $.extend($.ui.draggable, { |
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462 version: "1.8.1" |
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463 }); |
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464 |
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465 $.ui.plugin.add("draggable", "connectToSortable", { |
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466 start: function(event, ui) { |
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467 |
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468 var inst = $(this).data("draggable"), o = inst.options, |
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469 uiSortable = $.extend({}, ui, { item: inst.element }); |
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470 inst.sortables = []; |
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471 $(o.connectToSortable).each(function() { |
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472 var sortable = $.data(this, 'sortable'); |
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473 if (sortable && !sortable.options.disabled) { |
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474 inst.sortables.push({ |
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475 instance: sortable, |
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476 shouldRevert: sortable.options.revert |
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477 }); |
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478 sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache |
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479 sortable._trigger("activate", event, uiSortable); |
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480 } |
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481 }); |
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482 |
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483 }, |
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484 stop: function(event, ui) { |
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485 |
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486 //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper |
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487 var inst = $(this).data("draggable"), |
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488 uiSortable = $.extend({}, ui, { item: inst.element }); |
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489 |
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490 $.each(inst.sortables, function() { |
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491 if(this.instance.isOver) { |
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492 |
|
493 this.instance.isOver = 0; |
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494 |
|
495 inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance |
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496 this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) |
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497 |
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498 //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid' |
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499 if(this.shouldRevert) this.instance.options.revert = true; |
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500 |
|
501 //Trigger the stop of the sortable |
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502 this.instance._mouseStop(event); |
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503 |
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504 this.instance.options.helper = this.instance.options._helper; |
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505 |
|
506 //If the helper has been the original item, restore properties in the sortable |
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507 if(inst.options.helper == 'original') |
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508 this.instance.currentItem.css({ top: 'auto', left: 'auto' }); |
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509 |
|
510 } else { |
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511 this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance |
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512 this.instance._trigger("deactivate", event, uiSortable); |
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513 } |
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514 |
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515 }); |
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516 |
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517 }, |
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518 drag: function(event, ui) { |
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519 |
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520 var inst = $(this).data("draggable"), self = this; |
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521 |
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522 var checkPos = function(o) { |
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523 var dyClick = this.offset.click.top, dxClick = this.offset.click.left; |
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524 var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left; |
|
525 var itemHeight = o.height, itemWidth = o.width; |
|
526 var itemTop = o.top, itemLeft = o.left; |
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527 |
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528 return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth); |
|
529 }; |
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530 |
|
531 $.each(inst.sortables, function(i) { |
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532 |
|
533 //Copy over some variables to allow calling the sortable's native _intersectsWith |
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534 this.instance.positionAbs = inst.positionAbs; |
|
535 this.instance.helperProportions = inst.helperProportions; |
|
536 this.instance.offset.click = inst.offset.click; |
|
537 |
|
538 if(this.instance._intersectsWith(this.instance.containerCache)) { |
|
539 |
|
540 //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once |
|
541 if(!this.instance.isOver) { |
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542 |
|
543 this.instance.isOver = 1; |
|
544 //Now we fake the start of dragging for the sortable instance, |
|
545 //by cloning the list group item, appending it to the sortable and using it as inst.currentItem |
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546 //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one) |
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547 this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); |
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548 this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it |
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549 this.instance.options.helper = function() { return ui.helper[0]; }; |
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550 |
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551 event.target = this.instance.currentItem[0]; |
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552 this.instance._mouseCapture(event, true); |
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553 this.instance._mouseStart(event, true, true); |
|
554 |
|
555 //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes |
|
556 this.instance.offset.click.top = inst.offset.click.top; |
|
557 this.instance.offset.click.left = inst.offset.click.left; |
|
558 this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; |
|
559 this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; |
|
560 |
|
561 inst._trigger("toSortable", event); |
|
562 inst.dropped = this.instance.element; //draggable revert needs that |
|
563 //hack so receive/update callbacks work (mostly) |
|
564 inst.currentItem = inst.element; |
|
565 this.instance.fromOutside = inst; |
|
566 |
|
567 } |
|
568 |
|
569 //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable |
|
570 if(this.instance.currentItem) this.instance._mouseDrag(event); |
|
571 |
|
572 } else { |
|
573 |
|
574 //If it doesn't intersect with the sortable, and it intersected before, |
|
575 //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval |
|
576 if(this.instance.isOver) { |
|
577 |
|
578 this.instance.isOver = 0; |
|
579 this.instance.cancelHelperRemoval = true; |
|
580 |
|
581 //Prevent reverting on this forced stop |
|
582 this.instance.options.revert = false; |
|
583 |
|
584 // The out event needs to be triggered independently |
|
585 this.instance._trigger('out', event, this.instance._uiHash(this.instance)); |
|
586 |
|
587 this.instance._mouseStop(event, true); |
|
588 this.instance.options.helper = this.instance.options._helper; |
|
589 |
|
590 //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size |
|
591 this.instance.currentItem.remove(); |
|
592 if(this.instance.placeholder) this.instance.placeholder.remove(); |
|
593 |
|
594 inst._trigger("fromSortable", event); |
|
595 inst.dropped = false; //draggable revert needs that |
|
596 } |
|
597 |
|
598 }; |
|
599 |
|
600 }); |
|
601 |
|
602 } |
|
603 }); |
|
604 |
|
605 $.ui.plugin.add("draggable", "cursor", { |
|
606 start: function(event, ui) { |
|
607 var t = $('body'), o = $(this).data('draggable').options; |
|
608 if (t.css("cursor")) o._cursor = t.css("cursor"); |
|
609 t.css("cursor", o.cursor); |
|
610 }, |
|
611 stop: function(event, ui) { |
|
612 var o = $(this).data('draggable').options; |
|
613 if (o._cursor) $('body').css("cursor", o._cursor); |
|
614 } |
|
615 }); |
|
616 |
|
617 $.ui.plugin.add("draggable", "iframeFix", { |
|
618 start: function(event, ui) { |
|
619 var o = $(this).data('draggable').options; |
|
620 $(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() { |
|
621 $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') |
|
622 .css({ |
|
623 width: this.offsetWidth+"px", height: this.offsetHeight+"px", |
|
624 position: "absolute", opacity: "0.001", zIndex: 1000 |
|
625 }) |
|
626 .css($(this).offset()) |
|
627 .appendTo("body"); |
|
628 }); |
|
629 }, |
|
630 stop: function(event, ui) { |
|
631 $("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers |
|
632 } |
|
633 }); |
|
634 |
|
635 $.ui.plugin.add("draggable", "opacity", { |
|
636 start: function(event, ui) { |
|
637 var t = $(ui.helper), o = $(this).data('draggable').options; |
|
638 if(t.css("opacity")) o._opacity = t.css("opacity"); |
|
639 t.css('opacity', o.opacity); |
|
640 }, |
|
641 stop: function(event, ui) { |
|
642 var o = $(this).data('draggable').options; |
|
643 if(o._opacity) $(ui.helper).css('opacity', o._opacity); |
|
644 } |
|
645 }); |
|
646 |
|
647 $.ui.plugin.add("draggable", "scroll", { |
|
648 start: function(event, ui) { |
|
649 var i = $(this).data("draggable"); |
|
650 if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset(); |
|
651 }, |
|
652 drag: function(event, ui) { |
|
653 |
|
654 var i = $(this).data("draggable"), o = i.options, scrolled = false; |
|
655 |
|
656 if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') { |
|
657 |
|
658 if(!o.axis || o.axis != 'x') { |
|
659 if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) |
|
660 i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed; |
|
661 else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) |
|
662 i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed; |
|
663 } |
|
664 |
|
665 if(!o.axis || o.axis != 'y') { |
|
666 if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) |
|
667 i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed; |
|
668 else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) |
|
669 i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed; |
|
670 } |
|
671 |
|
672 } else { |
|
673 |
|
674 if(!o.axis || o.axis != 'x') { |
|
675 if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) |
|
676 scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
|
677 else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) |
|
678 scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
|
679 } |
|
680 |
|
681 if(!o.axis || o.axis != 'y') { |
|
682 if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) |
|
683 scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
|
684 else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) |
|
685 scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
|
686 } |
|
687 |
|
688 } |
|
689 |
|
690 if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) |
|
691 $.ui.ddmanager.prepareOffsets(i, event); |
|
692 |
|
693 } |
|
694 }); |
|
695 |
|
696 $.ui.plugin.add("draggable", "snap", { |
|
697 start: function(event, ui) { |
|
698 |
|
699 var i = $(this).data("draggable"), o = i.options; |
|
700 i.snapElements = []; |
|
701 |
|
702 $(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() { |
|
703 var $t = $(this); var $o = $t.offset(); |
|
704 if(this != i.element[0]) i.snapElements.push({ |
|
705 item: this, |
|
706 width: $t.outerWidth(), height: $t.outerHeight(), |
|
707 top: $o.top, left: $o.left |
|
708 }); |
|
709 }); |
|
710 |
|
711 }, |
|
712 drag: function(event, ui) { |
|
713 |
|
714 var inst = $(this).data("draggable"), o = inst.options; |
|
715 var d = o.snapTolerance; |
|
716 |
|
717 var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width, |
|
718 y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height; |
|
719 |
|
720 for (var i = inst.snapElements.length - 1; i >= 0; i--){ |
|
721 |
|
722 var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, |
|
723 t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; |
|
724 |
|
725 //Yes, I know, this is insane ;) |
|
726 if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) { |
|
727 if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
|
728 inst.snapElements[i].snapping = false; |
|
729 continue; |
|
730 } |
|
731 |
|
732 if(o.snapMode != 'inner') { |
|
733 var ts = Math.abs(t - y2) <= d; |
|
734 var bs = Math.abs(b - y1) <= d; |
|
735 var ls = Math.abs(l - x2) <= d; |
|
736 var rs = Math.abs(r - x1) <= d; |
|
737 if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
|
738 if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top; |
|
739 if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left; |
|
740 if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left; |
|
741 } |
|
742 |
|
743 var first = (ts || bs || ls || rs); |
|
744 |
|
745 if(o.snapMode != 'outer') { |
|
746 var ts = Math.abs(t - y1) <= d; |
|
747 var bs = Math.abs(b - y2) <= d; |
|
748 var ls = Math.abs(l - x1) <= d; |
|
749 var rs = Math.abs(r - x2) <= d; |
|
750 if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top; |
|
751 if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
|
752 if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left; |
|
753 if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left; |
|
754 } |
|
755 |
|
756 if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) |
|
757 (inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
|
758 inst.snapElements[i].snapping = (ts || bs || ls || rs || first); |
|
759 |
|
760 }; |
|
761 |
|
762 } |
|
763 }); |
|
764 |
|
765 $.ui.plugin.add("draggable", "stack", { |
|
766 start: function(event, ui) { |
|
767 |
|
768 var o = $(this).data("draggable").options; |
|
769 |
|
770 var group = $.makeArray($(o.stack)).sort(function(a,b) { |
|
771 return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0); |
|
772 }); |
|
773 if (!group.length) { return; } |
|
774 |
|
775 var min = parseInt(group[0].style.zIndex) || 0; |
|
776 $(group).each(function(i) { |
|
777 this.style.zIndex = min + i; |
|
778 }); |
|
779 |
|
780 this[0].style.zIndex = min + group.length; |
|
781 |
|
782 } |
|
783 }); |
|
784 |
|
785 $.ui.plugin.add("draggable", "zIndex", { |
|
786 start: function(event, ui) { |
|
787 var t = $(ui.helper), o = $(this).data("draggable").options; |
|
788 if(t.css("zIndex")) o._zIndex = t.css("zIndex"); |
|
789 t.css('zIndex', o.zIndex); |
|
790 }, |
|
791 stop: function(event, ui) { |
|
792 var o = $(this).data("draggable").options; |
|
793 if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex); |
|
794 } |
|
795 }); |
|
796 |
|
797 })(jQuery); |
|