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749
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1 /*
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2 * jQuery UI Draggable 1.8.9
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3 *
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4 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
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5 * Dual licensed under the MIT or GPL Version 2 licenses.
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6 * http://jquery.org/license
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7 *
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8 * http://docs.jquery.com/UI/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( $, undefined ) {
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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 = $.ui.ddmanager.drop(this, event);
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188
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189 //if a drop comes from outside (a sortable)
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190 if(this.dropped) {
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191 dropped = this.dropped;
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192 this.dropped = false;
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193 }
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194
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195 //if the original element is removed, don't bother to continue if helper is set to "original"
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196 if((!this.element[0] || !this.element[0].parentNode) && this.options.helper == "original")
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197 return false;
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198
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199 if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.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 (o.containment == 'document' ? 0 : $(window).scrollLeft()) - this.offset.relative.left - this.offset.parent.left,
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337 (o.containment == 'document' ? 0 : $(window).scrollTop()) - this.offset.relative.top - this.offset.parent.top,
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338 (o.containment == 'document' ? 0 : $(window).scrollLeft()) + $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
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339 (o.containment == 'document' ? 0 : $(window).scrollTop()) + ($(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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|
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385 var pageX = event.pageX;
|
|
|
386 var pageY = event.pageY;
|
|
|
387
|
|
|
388 /*
|
|
|
389 * - Position constraining -
|
|
|
390 * Constrain the position to a mix of grid, containment.
|
|
|
391 */
|
|
|
392
|
|
|
393 if(this.originalPosition) { //If we are not dragging yet, we won't check for options
|
|
|
394
|
|
|
395 if(this.containment) {
|
|
|
396 if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left;
|
|
|
397 if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top;
|
|
|
398 if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left;
|
|
|
399 if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top;
|
|
|
400 }
|
|
|
401
|
|
|
402 if(o.grid) {
|
|
|
403 var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1];
|
|
|
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;
|
|
|
405
|
|
|
406 var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0];
|
|
|
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;
|
|
|
408 }
|
|
|
409
|
|
|
410 }
|
|
|
411
|
|
|
412 return {
|
|
|
413 top: (
|
|
|
414 pageY // The absolute mouse position
|
|
|
415 - this.offset.click.top // Click offset (relative to the element)
|
|
|
416 - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent
|
|
|
417 - this.offset.parent.top // The offsetParent's offset without borders (offset + border)
|
|
|
418 + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
|
|
|
419 ),
|
|
|
420 left: (
|
|
|
421 pageX // The absolute mouse position
|
|
|
422 - this.offset.click.left // Click offset (relative to the element)
|
|
|
423 - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent
|
|
|
424 - this.offset.parent.left // The offsetParent's offset without borders (offset + border)
|
|
|
425 + ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
|
|
|
426 )
|
|
|
427 };
|
|
|
428
|
|
|
429 },
|
|
|
430
|
|
|
431 _clear: function() {
|
|
|
432 this.helper.removeClass("ui-draggable-dragging");
|
|
|
433 if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
|
|
|
434 //if($.ui.ddmanager) $.ui.ddmanager.current = null;
|
|
|
435 this.helper = null;
|
|
|
436 this.cancelHelperRemoval = false;
|
|
|
437 },
|
|
|
438
|
|
|
439 // From now on bulk stuff - mainly helpers
|
|
|
440
|
|
|
441 _trigger: function(type, event, ui) {
|
|
|
442 ui = ui || this._uiHash();
|
|
|
443 $.ui.plugin.call(this, type, [event, ui]);
|
|
|
444 if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins
|
|
|
445 return $.Widget.prototype._trigger.call(this, type, event, ui);
|
|
|
446 },
|
|
|
447
|
|
|
448 plugins: {},
|
|
|
449
|
|
|
450 _uiHash: function(event) {
|
|
|
451 return {
|
|
|
452 helper: this.helper,
|
|
|
453 position: this.position,
|
|
|
454 originalPosition: this.originalPosition,
|
|
|
455 offset: this.positionAbs
|
|
|
456 };
|
|
|
457 }
|
|
|
458
|
|
|
459 });
|
|
|
460
|
|
|
461 $.extend($.ui.draggable, {
|
|
|
462 version: "1.8.9"
|
|
|
463 });
|
|
|
464
|
|
|
465 $.ui.plugin.add("draggable", "connectToSortable", {
|
|
|
466 start: function(event, ui) {
|
|
|
467
|
|
|
468 var inst = $(this).data("draggable"), o = inst.options,
|
|
|
469 uiSortable = $.extend({}, ui, { item: inst.element });
|
|
|
470 inst.sortables = [];
|
|
|
471 $(o.connectToSortable).each(function() {
|
|
|
472 var sortable = $.data(this, 'sortable');
|
|
|
473 if (sortable && !sortable.options.disabled) {
|
|
|
474 inst.sortables.push({
|
|
|
475 instance: sortable,
|
|
|
476 shouldRevert: sortable.options.revert
|
|
|
477 });
|
|
|
478 sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache
|
|
|
479 sortable._trigger("activate", event, uiSortable);
|
|
|
480 }
|
|
|
481 });
|
|
|
482
|
|
|
483 },
|
|
|
484 stop: function(event, ui) {
|
|
|
485
|
|
|
486 //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper
|
|
|
487 var inst = $(this).data("draggable"),
|
|
|
488 uiSortable = $.extend({}, ui, { item: inst.element });
|
|
|
489
|
|
|
490 $.each(inst.sortables, function() {
|
|
|
491 if(this.instance.isOver) {
|
|
|
492
|
|
|
493 this.instance.isOver = 0;
|
|
|
494
|
|
|
495 inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance
|
|
|
496 this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work)
|
|
|
497
|
|
|
498 //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid'
|
|
|
499 if(this.shouldRevert) this.instance.options.revert = true;
|
|
|
500
|
|
|
501 //Trigger the stop of the sortable
|
|
|
502 this.instance._mouseStop(event);
|
|
|
503
|
|
|
504 this.instance.options.helper = this.instance.options._helper;
|
|
|
505
|
|
|
506 //If the helper has been the original item, restore properties in the sortable
|
|
|
507 if(inst.options.helper == 'original')
|
|
|
508 this.instance.currentItem.css({ top: 'auto', left: 'auto' });
|
|
|
509
|
|
|
510 } else {
|
|
|
511 this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance
|
|
|
512 this.instance._trigger("deactivate", event, uiSortable);
|
|
|
513 }
|
|
|
514
|
|
|
515 });
|
|
|
516
|
|
|
517 },
|
|
|
518 drag: function(event, ui) {
|
|
|
519
|
|
|
520 var inst = $(this).data("draggable"), self = this;
|
|
|
521
|
|
|
522 var checkPos = function(o) {
|
|
|
523 var dyClick = this.offset.click.top, dxClick = this.offset.click.left;
|
|
|
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;
|
|
|
527
|
|
|
528 return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth);
|
|
|
529 };
|
|
|
530
|
|
|
531 $.each(inst.sortables, function(i) {
|
|
|
532
|
|
|
533 //Copy over some variables to allow calling the sortable's native _intersectsWith
|
|
|
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) {
|
|
|
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
|
|
|
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)
|
|
|
547 this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true);
|
|
|
548 this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it
|
|
|
549 this.instance.options.helper = function() { return ui.helper[0]; };
|
|
|
550
|
|
|
551 event.target = this.instance.currentItem[0];
|
|
|
552 this.instance._mouseCapture(event, true);
|
|
|
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);
|
