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/*! |
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* jQuery UI Draggable 1.10.3 |
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* http://jqueryui.com |
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* |
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* Copyright 2013 jQuery Foundation and other contributors |
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* Released under the MIT license. |
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* http://jquery.org/license |
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* |
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* http://api.jqueryui.com/draggable/ |
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* |
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* Depends: |
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* jquery.ui.core.js |
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* jquery.ui.mouse.js |
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* jquery.ui.widget.js |
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*/ |
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(function( $, undefined ) { |
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|
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$.widget("ui.draggable", $.ui.mouse, { |
| 19 |
version: "1.10.3", |
| 20 |
widgetEventPrefix: "drag", |
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options: { |
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addClasses: true, |
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appendTo: "parent", |
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axis: false, |
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connectToSortable: false, |
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containment: false, |
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cursor: "auto", |
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cursorAt: false, |
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grid: false, |
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handle: false, |
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helper: "original", |
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iframeFix: false, |
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opacity: false, |
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refreshPositions: false, |
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revert: false, |
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revertDuration: 500, |
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scope: "default", |
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scroll: true, |
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scrollSensitivity: 20, |
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scrollSpeed: 20, |
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snap: false, |
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snapMode: "both", |
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snapTolerance: 20, |
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stack: false, |
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zIndex: false, |
| 46 |
|
| 47 |
// callbacks |
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drag: null, |
| 49 |
start: null, |
| 50 |
stop: null |
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}, |
| 52 |
_create: function() { |
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|
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if (this.options.helper === "original" && !(/^(?:r|a|f)/).test(this.element.css("position"))) { |
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this.element[0].style.position = "relative"; |
| 56 |
} |
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if (this.options.addClasses){ |
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this.element.addClass("ui-draggable"); |
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} |
| 60 |
if (this.options.disabled){ |
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this.element.addClass("ui-draggable-disabled"); |
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} |
| 63 |
|
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this._mouseInit(); |
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|
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}, |
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|
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_destroy: function() { |
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this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" ); |
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this._mouseDestroy(); |
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}, |
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|
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_mouseCapture: function(event) { |
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|
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var o = this.options; |
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|
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// among others, prevent a drag on a resizable-handle |
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if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) { |
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return false; |
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} |
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|
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//Quit if we're not on a valid handle |
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this.handle = this._getHandle(event); |
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if (!this.handle) { |
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return false; |
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} |
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|
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$(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() { |
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$("<div class='ui-draggable-iframeFix' style='background: #fff;'></div>") |
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.css({ |
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width: this.offsetWidth+"px", height: this.offsetHeight+"px", |
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position: "absolute", opacity: "0.001", zIndex: 1000 |
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}) |
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.css($(this).offset()) |
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.appendTo("body"); |
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}); |
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|
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return true; |
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|
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}, |
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|
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_mouseStart: function(event) { |
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|
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var o = this.options; |
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|
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//Create and append the visible helper |
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this.helper = this._createHelper(event); |
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|
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this.helper.addClass("ui-draggable-dragging"); |
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|
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//Cache the helper size |
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this._cacheHelperProportions(); |
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|
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//If ddmanager is used for droppables, set the global draggable |
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if($.ui.ddmanager) { |
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$.ui.ddmanager.current = this; |
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} |
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|
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/* |
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* - Position generation - |
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* This block generates everything position related - it's the core of draggables. |
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*/ |
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|
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//Cache the margins of the original element |
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this._cacheMargins(); |
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|
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//Store the helper's css position |
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this.cssPosition = this.helper.css( "position" ); |
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this.scrollParent = this.helper.scrollParent(); |
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this.offsetParent = this.helper.offsetParent(); |
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this.offsetParentCssPosition = this.offsetParent.css( "position" ); |
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|
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//The element's absolute position on the page minus margins |
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this.offset = this.positionAbs = this.element.offset(); |
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this.offset = { |
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top: this.offset.top - this.margins.top, |
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left: this.offset.left - this.margins.left |
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}; |
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|
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//Reset scroll cache |
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this.offset.scroll = false; |
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|
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$.extend(this.offset, { |
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click: { //Where the click happened, relative to the element |
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left: event.pageX - this.offset.left, |
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top: event.pageY - this.offset.top |
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}, |
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parent: this._getParentOffset(), |
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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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}); |
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|
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//Generate the original position |
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this.originalPosition = this.position = this._generatePosition(event); |
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this.originalPageX = event.pageX; |
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this.originalPageY = event.pageY; |
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|
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//Adjust the mouse offset relative to the helper if "cursorAt" is supplied |
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(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt)); |
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|
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//Set a containment if given in the options |
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this._setContainment(); |
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|
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//Trigger event + callbacks |
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if(this._trigger("start", event) === false) { |
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this._clear(); |
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return false; |
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} |
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|
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//Recache the helper size |
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this._cacheHelperProportions(); |
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|
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//Prepare the droppable offsets |
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if ($.ui.ddmanager && !o.dropBehaviour) { |
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$.ui.ddmanager.prepareOffsets(this, event); |
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} |
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|
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|
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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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|
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//If the ddmanager is used for droppables, inform the manager that dragging has started (see #5003) |
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if ( $.ui.ddmanager ) { |
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$.ui.ddmanager.dragStart(this, event); |
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} |
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|
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return true; |
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}, |
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|
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_mouseDrag: function(event, noPropagation) { |
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// reset any necessary cached properties (see #5009) |
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if ( this.offsetParentCssPosition === "fixed" ) { |
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this.offset.parent = this._getParentOffset(); |
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} |
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|
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//Compute the helpers position |
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this.position = this._generatePosition(event); |
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this.positionAbs = this._convertPositionTo("absolute"); |
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|
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//Call plugins and callbacks and use the resulting position if something is returned |
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if (!noPropagation) { |
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var ui = this._uiHash(); |
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if(this._trigger("drag", event, ui) === false) { |
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this._mouseUp({}); |
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return false; |
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} |
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this.position = ui.position; |
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} |
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|
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if(!this.options.axis || this.options.axis !== "y") { |
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this.helper[0].style.left = this.position.left+"px"; |
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} |
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if(!this.options.axis || this.options.axis !== "x") { |
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this.helper[0].style.top = this.position.top+"px"; |
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} |
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if($.ui.ddmanager) { |
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$.ui.ddmanager.drag(this, event); |
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} |
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|
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return false; |
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}, |
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|
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_mouseStop: function(event) { |
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|
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//If we are using droppables, inform the manager about the drop |
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var that = this, |
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dropped = false; |
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if ($.ui.ddmanager && !this.options.dropBehaviour) { |
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dropped = $.ui.ddmanager.drop(this, event); |
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} |
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|
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//if a drop comes from outside (a sortable) |
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if(this.dropped) { |
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dropped = this.dropped; |
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this.dropped = false; |
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} |
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|
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//if the original element is no longer in the DOM don't bother to continue (see #8269) |
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if ( this.options.helper === "original" && !$.contains( this.element[ 0 ].ownerDocument, this.element[ 0 ] ) ) { |
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return false; |
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} |
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|
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if((this.options.revert === "invalid" && !dropped) || (this.options.revert === "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) { |
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$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() { |
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if(that._trigger("stop", event) !== false) { |
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that._clear(); |
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} |
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}); |
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} else { |
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if(this._trigger("stop", event) !== false) { |
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this._clear(); |
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} |
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} |
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|
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return false; |
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}, |
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|
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_mouseUp: function(event) { |
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//Remove frame helpers |
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$("div.ui-draggable-iframeFix").each(function() { |
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this.parentNode.removeChild(this); |
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}); |
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|
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//If the ddmanager is used for droppables, inform the manager that dragging has stopped (see #5003) |
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if( $.ui.ddmanager ) { |
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$.ui.ddmanager.dragStop(this, event); |
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} |
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|
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return $.ui.mouse.prototype._mouseUp.call(this, event); |
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}, |
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|
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cancel: function() { |
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|
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if(this.helper.is(".ui-draggable-dragging")) { |
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this._mouseUp({}); |
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} else { |
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this._clear(); |
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} |
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|
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return this; |
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|
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}, |
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|
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_getHandle: function(event) { |
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return this.options.handle ? |
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!!$( event.target ).closest( this.element.find( this.options.handle ) ).length : |
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true; |
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}, |
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|
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_createHelper: function(event) { |
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|
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var o = this.options, |
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helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper === "clone" ? this.element.clone().removeAttr("id") : this.element); |
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|
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if(!helper.parents("body").length) { |
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helper.appendTo((o.appendTo === "parent" ? this.element[0].parentNode : o.appendTo)); |
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} |
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|
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if(helper[0] !== this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) { |
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helper.css("position", "absolute"); |
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} |
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|
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return helper; |
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|
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}, |
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|
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_adjustOffsetFromHelper: function(obj) { |
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if (typeof obj === "string") { |
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obj = obj.split(" "); |
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} |
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if ($.isArray(obj)) { |
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obj = {left: +obj[0], top: +obj[1] || 0}; |
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} |
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if ("left" in obj) { |
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this.offset.click.left = obj.left + this.margins.left; |
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} |
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if ("right" in obj) { |
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this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; |
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} |
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if ("top" in obj) { |
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this.offset.click.top = obj.top + this.margins.top; |
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} |
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if ("bottom" in obj) { |
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this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; |
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} |
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}, |
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|
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_getParentOffset: function() { |
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|
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//Get the offsetParent and cache its position |
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var po = this.offsetParent.offset(); |
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|
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// This is a special case where we need to modify a offset calculated on start, since the following happened: |
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// 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent |
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// 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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// the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag |
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if(this.cssPosition === "absolute" && this.scrollParent[0] !== document && $.contains(this.scrollParent[0], this.offsetParent[0])) { |
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po.left += this.scrollParent.scrollLeft(); |
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po.top += this.scrollParent.scrollTop(); |
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} |
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|
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//This needs to be actually done for all browsers, since pageX/pageY includes this information |
| 341 |
//Ugly IE fix |
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if((this.offsetParent[0] === document.body) || |
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(this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() === "html" && $.ui.ie)) { |
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po = { top: 0, left: 0 }; |
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} |
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|
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return { |
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top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), |
| 349 |
left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) |
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}; |
| 351 |
|
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}, |
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|
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_getRelativeOffset: function() { |
| 355 |
|
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if(this.cssPosition === "relative") { |
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var p = this.element.position(); |
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return { |
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top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(), |
| 360 |
left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() |
| 361 |
}; |
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} else { |
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return { top: 0, left: 0 }; |
| 364 |
} |
| 365 |
|
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}, |
| 367 |
|
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_cacheMargins: function() { |
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this.margins = { |
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left: (parseInt(this.element.css("marginLeft"),10) || 0), |
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top: (parseInt(this.element.css("marginTop"),10) || 0), |
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right: (parseInt(this.element.css("marginRight"),10) || 0), |
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bottom: (parseInt(this.element.css("marginBottom"),10) || 0) |
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}; |
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}, |
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|
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_cacheHelperProportions: function() { |
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this.helperProportions = { |
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width: this.helper.outerWidth(), |
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height: this.helper.outerHeight() |
| 381 |
}; |
| 382 |
}, |
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|
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_setContainment: function() { |
| 385 |
|
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var over, c, ce, |
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o = this.options; |
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|
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if ( !o.containment ) { |
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this.containment = null; |
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return; |
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} |
| 393 |
|
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if ( o.containment === "window" ) { |
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this.containment = [ |
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$( window ).scrollLeft() - this.offset.relative.left - this.offset.parent.left, |
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$( window ).scrollTop() - this.offset.relative.top - this.offset.parent.top, |
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$( window ).scrollLeft() + $( window ).width() - this.helperProportions.width - this.margins.left, |
| 399 |
$( window ).scrollTop() + ( $( window ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top |
| 400 |
]; |
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return; |
| 402 |
} |
| 403 |
|
| 404 |
if ( o.containment === "document") { |
| 405 |
this.containment = [ |
| 406 |
0, |
| 407 |
0, |
| 408 |
$( document ).width() - this.helperProportions.width - this.margins.left, |
| 409 |
( $( document ).height() || document.body.parentNode.scrollHeight ) - this.helperProportions.height - this.margins.top |
| 410 |
]; |
| 411 |
return; |
| 412 |
} |
| 413 |
|
| 414 |
if ( o.containment.constructor === Array ) { |
| 415 |
this.containment = o.containment; |
| 416 |
return; |
| 417 |
} |
| 418 |
|
| 419 |
if ( o.containment === "parent" ) { |
| 420 |
o.containment = this.helper[ 0 ].parentNode; |
| 421 |
} |
| 422 |
|
| 423 |
c = $( o.containment ); |
| 424 |
ce = c[ 0 ]; |
| 425 |
|
| 426 |
if( !ce ) { |
| 427 |
return; |
| 428 |
} |
| 429 |
|
| 430 |
over = c.css( "overflow" ) !== "hidden"; |
| 431 |
|
| 432 |
this.containment = [ |
| 433 |
( parseInt( c.css( "borderLeftWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingLeft" ), 10 ) || 0 ), |
| 434 |
( parseInt( c.css( "borderTopWidth" ), 10 ) || 0 ) + ( parseInt( c.css( "paddingTop" ), 10 ) || 0 ) , |
| 435 |
( over ? Math.max( ce.scrollWidth, ce.offsetWidth ) : ce.offsetWidth ) - ( parseInt( c.css( "borderRightWidth" ), 10 ) || 0 ) - ( parseInt( c.css( "paddingRight" ), 10 ) || 0 ) - this.helperProportions.width - this.margins.left - this.margins.right, |
| 436 |
( over ? Math.max( ce.scrollHeight, ce.offsetHeight ) : ce.offsetHeight ) - ( parseInt( c.css( "borderBottomWidth" ), 10 ) || 0 ) - ( parseInt( c.css( "paddingBottom" ), 10 ) || 0 ) - this.helperProportions.height - this.margins.top - this.margins.bottom |
| 437 |
]; |
| 438 |
this.relative_container = c; |
| 439 |
}, |
| 440 |
|
| 441 |
_convertPositionTo: function(d, pos) { |
| 442 |
|
| 443 |
if(!pos) { |
| 444 |
pos = this.position; |
| 445 |
} |
| 446 |
|
| 447 |
var mod = d === "absolute" ? 1 : -1, |
| 448 |
scroll = this.cssPosition === "absolute" && !( this.scrollParent[ 0 ] !== document && $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? this.offsetParent : this.scrollParent; |
| 449 |
|
| 450 |
//Cache the scroll |
| 451 |
if (!this.offset.scroll) { |
| 452 |
this.offset.scroll = {top : scroll.scrollTop(), left : scroll.scrollLeft()}; |
| 453 |
} |
| 454 |
|
| 455 |
return { |
| 456 |
top: ( |
| 457 |
pos.top + // The absolute mouse position |
| 458 |
this.offset.relative.top * mod + // Only for relative positioned nodes: Relative offset from element to offset parent |
| 459 |
this.offset.parent.top * mod - // The offsetParent's offset without borders (offset + border) |
| 460 |
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : this.offset.scroll.top ) * mod ) |
| 461 |
), |
| 462 |
left: ( |
| 463 |
pos.left + // The absolute mouse position |
| 464 |
this.offset.relative.left * mod + // Only for relative positioned nodes: Relative offset from element to offset parent |
| 465 |
this.offset.parent.left * mod - // The offsetParent's offset without borders (offset + border) |
| 466 |
( ( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : this.offset.scroll.left ) * mod ) |
| 467 |
) |
| 468 |
}; |
| 469 |
|
| 470 |
}, |
| 471 |
|
| 472 |
_generatePosition: function(event) { |
| 473 |
|
| 474 |
var containment, co, top, left, |
| 475 |
o = this.options, |
| 476 |
scroll = this.cssPosition === "absolute" && !( this.scrollParent[ 0 ] !== document && $.contains( this.scrollParent[ 0 ], this.offsetParent[ 0 ] ) ) ? this.offsetParent : this.scrollParent, |
| 477 |
pageX = event.pageX, |
| 478 |
pageY = event.pageY; |
| 479 |
|
| 480 |
//Cache the scroll |
| 481 |
if (!this.offset.scroll) { |
| 482 |
this.offset.scroll = {top : scroll.scrollTop(), left : scroll.scrollLeft()}; |
| 483 |
} |
| 484 |
|
| 485 |
/* |
| 486 |
* - Position constraining - |
| 487 |
* Constrain the position to a mix of grid, containment. |
| 488 |
*/ |
| 489 |
|
| 490 |
// If we are not dragging yet, we won't check for options |
| 491 |
if ( this.originalPosition ) { |
| 492 |
if ( this.containment ) { |
| 493 |
if ( this.relative_container ){ |
| 494 |
co = this.relative_container.offset(); |
| 495 |
containment = [ |
| 496 |
this.containment[ 0 ] + co.left, |
| 497 |
this.containment[ 1 ] + co.top, |
| 498 |
this.containment[ 2 ] + co.left, |
| 499 |
this.containment[ 3 ] + co.top |
| 500 |
]; |
| 501 |
} |
| 502 |
else { |
| 503 |
containment = this.containment; |
| 504 |
} |
| 505 |
|
| 506 |
if(event.pageX - this.offset.click.left < containment[0]) { |
| 507 |
pageX = containment[0] + this.offset.click.left; |
| 508 |
} |
| 509 |
if(event.pageY - this.offset.click.top < containment[1]) { |
| 510 |
pageY = containment[1] + this.offset.click.top; |
| 511 |
} |
| 512 |
if(event.pageX - this.offset.click.left > containment[2]) { |
| 513 |
pageX = containment[2] + this.offset.click.left; |
| 514 |
} |
| 515 |
if(event.pageY - this.offset.click.top > containment[3]) { |
| 516 |
pageY = containment[3] + this.offset.click.top; |
| 517 |
} |
| 518 |
} |
| 519 |
|
| 520 |
if(o.grid) { |
| 521 |
//Check for grid elements set to 0 to prevent divide by 0 error causing invalid argument errors in IE (see ticket #6950) |
| 522 |
top = o.grid[1] ? this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1] : this.originalPageY; |
| 523 |
pageY = containment ? ((top - this.offset.click.top >= containment[1] || top - this.offset.click.top > containment[3]) ? top : ((top - this.offset.click.top >= containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; |
| 524 |
|
| 525 |
left = o.grid[0] ? this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0] : this.originalPageX; |
| 526 |
pageX = containment ? ((left - this.offset.click.left >= containment[0] || left - this.offset.click.left > containment[2]) ? left : ((left - this.offset.click.left >= containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; |
| 527 |
} |
| 528 |
|
| 529 |
} |
| 530 |
|
| 531 |
return { |
| 532 |
top: ( |
| 533 |
pageY - // The absolute mouse position |
| 534 |
this.offset.click.top - // Click offset (relative to the element) |
| 535 |
this.offset.relative.top - // Only for relative positioned nodes: Relative offset from element to offset parent |
| 536 |
this.offset.parent.top + // The offsetParent's offset without borders (offset + border) |
| 537 |
( this.cssPosition === "fixed" ? -this.scrollParent.scrollTop() : this.offset.scroll.top ) |
| 538 |
), |
| 539 |
left: ( |
| 540 |
pageX - // The absolute mouse position |
| 541 |
this.offset.click.left - // Click offset (relative to the element) |
| 542 |
this.offset.relative.left - // Only for relative positioned nodes: Relative offset from element to offset parent |
| 543 |
this.offset.parent.left + // The offsetParent's offset without borders (offset + border) |
| 544 |
( this.cssPosition === "fixed" ? -this.scrollParent.scrollLeft() : this.offset.scroll.left ) |
| 545 |
) |
| 546 |
}; |
| 547 |
|
| 548 |
}, |
| 549 |
|
| 550 |
_clear: function() { |
| 551 |
this.helper.removeClass("ui-draggable-dragging"); |
| 552 |
if(this.helper[0] !== this.element[0] && !this.cancelHelperRemoval) { |
| 553 |
this.helper.remove(); |
| 554 |
} |
| 555 |
this.helper = null; |
| 556 |
this.cancelHelperRemoval = false; |
| 557 |
}, |
| 558 |
|
| 559 |
// From now on bulk stuff - mainly helpers |
| 560 |
|
| 561 |
_trigger: function(type, event, ui) { |
| 562 |
ui = ui || this._uiHash(); |
| 563 |
$.ui.plugin.call(this, type, [event, ui]); |
| 564 |
//The absolute position has to be recalculated after plugins |
| 565 |
if(type === "drag") { |
| 566 |
this.positionAbs = this._convertPositionTo("absolute"); |
| 567 |
} |
| 568 |
return $.Widget.prototype._trigger.call(this, type, event, ui); |
| 569 |
}, |
| 570 |
|
| 571 |
plugins: {}, |
| 572 |
|
| 573 |
_uiHash: function() { |
| 574 |
return { |
| 575 |
helper: this.helper, |
| 576 |
position: this.position, |
| 577 |
originalPosition: this.originalPosition, |
| 578 |
offset: this.positionAbs |
| 579 |
}; |
| 580 |
} |
| 581 |
|
| 582 |
}); |
| 583 |
|
| 584 |
$.ui.plugin.add("draggable", "connectToSortable", { |
| 585 |
start: function(event, ui) { |
| 586 |
|
| 587 |
var inst = $(this).data("ui-draggable"), o = inst.options, |
| 588 |
uiSortable = $.extend({}, ui, { item: inst.element }); |
| 589 |
inst.sortables = []; |
| 590 |
$(o.connectToSortable).each(function() { |
| 591 |
var sortable = $.data(this, "ui-sortable"); |
| 592 |
if (sortable && !sortable.options.disabled) { |
| 593 |
inst.sortables.push({ |
| 594 |
instance: sortable, |
| 595 |
shouldRevert: sortable.options.revert |
| 596 |
}); |
| 597 |
sortable.refreshPositions(); // Call the sortable's refreshPositions at drag start to refresh the containerCache since the sortable container cache is used in drag and needs to be up to date (this will ensure it's initialised as well as being kept in step with any changes that might have happened on the page). |
| 598 |
sortable._trigger("activate", event, uiSortable); |
| 599 |
} |
| 600 |
}); |
| 601 |
|
| 602 |
}, |
| 603 |
stop: function(event, ui) { |
| 604 |
|
| 605 |
//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper |
| 606 |
var inst = $(this).data("ui-draggable"), |
| 607 |
uiSortable = $.extend({}, ui, { item: inst.element }); |
| 608 |
|
| 609 |
$.each(inst.sortables, function() { |
| 610 |
if(this.instance.isOver) { |
| 611 |
|
| 612 |
this.instance.isOver = 0; |
| 613 |
|
| 614 |
inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance |
| 615 |
this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) |
| 616 |
|
| 617 |
//The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: "valid/invalid" |
| 618 |
if(this.shouldRevert) { |
| 619 |
this.instance.options.revert = this.shouldRevert; |
| 620 |
} |
| 621 |
|
| 622 |
//Trigger the stop of the sortable |
| 623 |
this.instance._mouseStop(event); |
| 624 |
|
| 625 |
this.instance.options.helper = this.instance.options._helper; |
| 626 |
|
| 627 |
//If the helper has been the original item, restore properties in the sortable |
| 628 |
if(inst.options.helper === "original") { |
| 629 |
this.instance.currentItem.css({ top: "auto", left: "auto" }); |
| 630 |
} |
| 631 |
|
| 632 |
} else { |
| 633 |
this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance |
| 634 |
this.instance._trigger("deactivate", event, uiSortable); |
| 635 |
} |
| 636 |
|
| 637 |
}); |
| 638 |
|
| 639 |
}, |
| 640 |
drag: function(event, ui) { |
| 641 |
|
| 642 |
var inst = $(this).data("ui-draggable"), that = this; |
| 643 |
|
| 644 |
$.each(inst.sortables, function() { |
| 645 |
|
| 646 |
var innermostIntersecting = false, |
| 647 |
thisSortable = this; |
| 648 |
|
| 649 |
//Copy over some variables to allow calling the sortable's native _intersectsWith |
| 650 |
this.instance.positionAbs = inst.positionAbs; |
| 651 |
this.instance.helperProportions = inst.helperProportions; |
| 652 |
this.instance.offset.click = inst.offset.click; |
| 653 |
|
| 654 |
if(this.instance._intersectsWith(this.instance.containerCache)) { |
| 655 |
innermostIntersecting = true; |
| 656 |
$.each(inst.sortables, function () { |
| 657 |
this.instance.positionAbs = inst.positionAbs; |
| 658 |
this.instance.helperProportions = inst.helperProportions; |
| 659 |
this.instance.offset.click = inst.offset.click; |
| 660 |
if (this !== thisSortable && |
| 661 |
this.instance._intersectsWith(this.instance.containerCache) && |
| 662 |
$.contains(thisSortable.instance.element[0], this.instance.element[0]) |
| 663 |
) { |
| 664 |
innermostIntersecting = false; |
| 665 |
} |
| 666 |
return innermostIntersecting; |
| 667 |
}); |
| 668 |
} |
| 669 |
|
| 670 |
|
| 671 |
if(innermostIntersecting) { |
| 672 |
//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once |
| 673 |
if(!this.instance.isOver) { |
| 674 |
|
| 675 |
this.instance.isOver = 1; |
| 676 |
//Now we fake the start of dragging for the sortable instance, |
| 677 |
//by cloning the list group item, appending it to the sortable and using it as inst.currentItem |
| 678 |
//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) |
| 679 |
this.instance.currentItem = $(that).clone().removeAttr("id").appendTo(this.instance.element).data("ui-sortable-item", true); |
| 680 |
this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it |
| 681 |
this.instance.options.helper = function() { return ui.helper[0]; }; |
| 682 |
|
| 683 |
event.target = this.instance.currentItem[0]; |
| 684 |
this.instance._mouseCapture(event, true); |
| 685 |
this.instance._mouseStart(event, true, true); |
| 686 |
|
| 687 |
//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes |
| 688 |
this.instance.offset.click.top = inst.offset.click.top; |
| 689 |
this.instance.offset.click.left = inst.offset.click.left; |
| 690 |
this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; |
| 691 |
this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; |
| 692 |
|
| 693 |
inst._trigger("toSortable", event); |
| 694 |
inst.dropped = this.instance.element; //draggable revert needs that |
| 695 |
//hack so receive/update callbacks work (mostly) |
| 696 |
inst.currentItem = inst.element; |
| 697 |
this.instance.fromOutside = inst; |
| 698 |
|
| 699 |
} |
| 700 |
|
| 701 |
//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 |
| 702 |
if(this.instance.currentItem) { |
| 703 |
this.instance._mouseDrag(event); |
| 704 |
} |
| 705 |
|
| 706 |
} else { |
| 707 |
|
| 708 |
//If it doesn't intersect with the sortable, and it intersected before, |
| 709 |
//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval |
| 710 |
if(this.instance.isOver) { |
| 711 |
|
| 712 |
this.instance.isOver = 0; |
| 713 |
this.instance.cancelHelperRemoval = true; |
| 714 |
|
| 715 |
//Prevent reverting on this forced stop |
| 716 |
this.instance.options.revert = false; |
| 717 |
|
| 718 |
// The out event needs to be triggered independently |
| 719 |
this.instance._trigger("out", event, this.instance._uiHash(this.instance)); |
| 720 |
|
| 721 |
this.instance._mouseStop(event, true); |
| 722 |
this.instance.options.helper = this.instance.options._helper; |
| 723 |
|
| 724 |
//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size |
| 725 |
this.instance.currentItem.remove(); |
| 726 |
if(this.instance.placeholder) { |
| 727 |
this.instance.placeholder.remove(); |
| 728 |
} |
| 729 |
|
| 730 |
inst._trigger("fromSortable", event); |
| 731 |
inst.dropped = false; //draggable revert needs that |
| 732 |
} |
| 733 |
|
| 734 |
} |
| 735 |
|
| 736 |
}); |
| 737 |
|
| 738 |
} |
| 739 |
}); |
| 740 |
|
| 741 |
$.ui.plugin.add("draggable", "cursor", { |
| 742 |
start: function() { |
| 743 |
var t = $("body"), o = $(this).data("ui-draggable").options; |
| 744 |
if (t.css("cursor")) { |
| 745 |
o._cursor = t.css("cursor"); |
| 746 |
} |
| 747 |
t.css("cursor", o.cursor); |
| 748 |
}, |
| 749 |
stop: function() { |
| 750 |
var o = $(this).data("ui-draggable").options; |
| 751 |
if (o._cursor) { |
| 752 |
$("body").css("cursor", o._cursor); |
| 753 |
} |
| 754 |
} |
| 755 |
}); |
| 756 |
|
| 757 |
$.ui.plugin.add("draggable", "opacity", { |
| 758 |
start: function(event, ui) { |
| 759 |
var t = $(ui.helper), o = $(this).data("ui-draggable").options; |
| 760 |
if(t.css("opacity")) { |
| 761 |
o._opacity = t.css("opacity"); |
| 762 |
} |
| 763 |
t.css("opacity", o.opacity); |
| 764 |
}, |
| 765 |
stop: function(event, ui) { |
| 766 |
var o = $(this).data("ui-draggable").options; |
| 767 |
if(o._opacity) { |
| 768 |
$(ui.helper).css("opacity", o._opacity); |
| 769 |
} |
| 770 |
} |
| 771 |
}); |
| 772 |
|
| 773 |
$.ui.plugin.add("draggable", "scroll", { |
| 774 |
start: function() { |
| 775 |
var i = $(this).data("ui-draggable"); |
| 776 |
if(i.scrollParent[0] !== document && i.scrollParent[0].tagName !== "HTML") { |
| 777 |
i.overflowOffset = i.scrollParent.offset(); |
| 778 |
} |
| 779 |
}, |
| 780 |
drag: function( event ) { |
| 781 |
|
| 782 |
var i = $(this).data("ui-draggable"), o = i.options, scrolled = false; |
| 783 |
|
| 784 |
if(i.scrollParent[0] !== document && i.scrollParent[0].tagName !== "HTML") { |
| 785 |
|
| 786 |
if(!o.axis || o.axis !== "x") { |
| 787 |
if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) { |
| 788 |
i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed; |
| 789 |
} else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) { |
| 790 |
i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed; |
| 791 |
} |
| 792 |
} |
| 793 |
|
| 794 |
if(!o.axis || o.axis !== "y") { |
| 795 |
if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) { |
| 796 |
i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed; |
| 797 |
} else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) { |
| 798 |
i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed; |
| 799 |
} |
| 800 |
} |
| 801 |
|
| 802 |
} else { |
| 803 |
|
| 804 |
if(!o.axis || o.axis !== "x") { |
| 805 |
if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) { |
| 806 |
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
| 807 |
} else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) { |
| 808 |
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
| 809 |
} |
| 810 |
} |
| 811 |
|
| 812 |
if(!o.axis || o.axis !== "y") { |
| 813 |
if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) { |
| 814 |
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
| 815 |
} else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) { |
| 816 |
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
| 817 |
} |
| 818 |
} |
| 819 |
|
| 820 |
} |
| 821 |
|
| 822 |
if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) { |
| 823 |
$.ui.ddmanager.prepareOffsets(i, event); |
| 824 |
} |
| 825 |
|
| 826 |
} |
| 827 |
}); |
| 828 |
|
| 829 |
$.ui.plugin.add("draggable", "snap", { |
| 830 |
start: function() { |
| 831 |
|
| 832 |
var i = $(this).data("ui-draggable"), |
| 833 |
o = i.options; |
| 834 |
|
| 835 |
i.snapElements = []; |
| 836 |
|
| 837 |
$(o.snap.constructor !== String ? ( o.snap.items || ":data(ui-draggable)" ) : o.snap).each(function() { |
| 838 |
var $t = $(this), |
| 839 |
$o = $t.offset(); |
| 840 |
if(this !== i.element[0]) { |
| 841 |
i.snapElements.push({ |
| 842 |
item: this, |
| 843 |
width: $t.outerWidth(), height: $t.outerHeight(), |
| 844 |
top: $o.top, left: $o.left |
| 845 |
}); |
| 846 |
} |
| 847 |
}); |
| 848 |
|
| 849 |
}, |
| 850 |
drag: function(event, ui) { |
| 851 |
|
| 852 |
var ts, bs, ls, rs, l, r, t, b, i, first, |
| 853 |
inst = $(this).data("ui-draggable"), |
| 854 |
o = inst.options, |
| 855 |
d = o.snapTolerance, |
| 856 |
x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width, |
| 857 |
y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height; |
| 858 |
|
| 859 |
for (i = inst.snapElements.length - 1; i >= 0; i--){ |
| 860 |
|
| 861 |
l = inst.snapElements[i].left; |
| 862 |
r = l + inst.snapElements[i].width; |
| 863 |
t = inst.snapElements[i].top; |
| 864 |
b = t + inst.snapElements[i].height; |
| 865 |
|
| 866 |
if ( x2 < l - d || x1 > r + d || y2 < t - d || y1 > b + d || !$.contains( inst.snapElements[ i ].item.ownerDocument, inst.snapElements[ i ].item ) ) { |
| 867 |
if(inst.snapElements[i].snapping) { |
| 868 |
(inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
| 869 |
} |
| 870 |
inst.snapElements[i].snapping = false; |
| 871 |
continue; |
| 872 |
} |
| 873 |
|
| 874 |
if(o.snapMode !== "inner") { |
| 875 |
ts = Math.abs(t - y2) <= d; |
| 876 |
bs = Math.abs(b - y1) <= d; |
| 877 |
ls = Math.abs(l - x2) <= d; |
| 878 |
rs = Math.abs(r - x1) <= d; |
| 879 |
if(ts) { |
| 880 |
ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
| 881 |
} |
| 882 |
if(bs) { |
| 883 |
ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top; |
| 884 |
} |
| 885 |
if(ls) { |
| 886 |
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left; |
| 887 |
} |
| 888 |
if(rs) { |
| 889 |
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left; |
| 890 |
} |
| 891 |
} |
| 892 |
|
| 893 |
first = (ts || bs || ls || rs); |
| 894 |
|
| 895 |
if(o.snapMode !== "outer") { |
| 896 |
ts = Math.abs(t - y1) <= d; |
| 897 |
bs = Math.abs(b - y2) <= d; |
| 898 |
ls = Math.abs(l - x1) <= d; |
| 899 |
rs = Math.abs(r - x2) <= d; |
| 900 |
if(ts) { |
| 901 |
ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top; |
| 902 |
} |
| 903 |
if(bs) { |
| 904 |
ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
| 905 |
} |
| 906 |
if(ls) { |
| 907 |
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left; |
| 908 |
} |
| 909 |
if(rs) { |
| 910 |
ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left; |
| 911 |
} |
| 912 |
} |
| 913 |
|
| 914 |
if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) { |
| 915 |
(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
| 916 |
} |
| 917 |
inst.snapElements[i].snapping = (ts || bs || ls || rs || first); |
| 918 |
|
| 919 |
} |
| 920 |
|
| 921 |
} |
| 922 |
}); |
| 923 |
|
| 924 |
$.ui.plugin.add("draggable", "stack", { |
| 925 |
start: function() { |
| 926 |
var min, |
| 927 |
o = this.data("ui-draggable").options, |
| 928 |
group = $.makeArray($(o.stack)).sort(function(a,b) { |
| 929 |
return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0); |
| 930 |
}); |
| 931 |
|
| 932 |
if (!group.length) { return; } |
| 933 |
|
| 934 |
min = parseInt($(group[0]).css("zIndex"), 10) || 0; |
| 935 |
$(group).each(function(i) { |
| 936 |
$(this).css("zIndex", min + i); |
| 937 |
}); |
| 938 |
this.css("zIndex", (min + group.length)); |
| 939 |
} |
| 940 |
}); |
| 941 |
|
| 942 |
$.ui.plugin.add("draggable", "zIndex", { |
| 943 |
start: function(event, ui) { |
| 944 |
var t = $(ui.helper), o = $(this).data("ui-draggable").options; |
| 945 |
if(t.css("zIndex")) { |
| 946 |
o._zIndex = t.css("zIndex"); |
| 947 |
} |
| 948 |
t.css("zIndex", o.zIndex); |
| 949 |
}, |
| 950 |
stop: function(event, ui) { |
| 951 |
var o = $(this).data("ui-draggable").options; |
| 952 |
if(o._zIndex) { |
| 953 |
$(ui.helper).css("zIndex", o._zIndex); |
| 954 |
} |
| 955 |
} |
| 956 |
}); |
| 957 |
|
| 958 |
})(jQuery); |
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