| 1 |
/* |
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* jQuery UI Draggable 1.7.2 |
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* |
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* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about) |
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* Dual licensed under the MIT (MIT-LICENSE.txt) |
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* and GPL (GPL-LICENSE.txt) licenses. |
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* |
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* http://docs.jquery.com/UI/Draggables |
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* |
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* Depends: |
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* ui.core.js |
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*/ |
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(function($) { |
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|
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$.widget("ui.draggable", $.extend({}, $.ui.mouse, { |
| 16 |
|
| 17 |
_init: function() { |
| 18 |
|
| 19 |
if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position"))) |
| 20 |
this.element[0].style.position = 'relative'; |
| 21 |
|
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(this.options.addClasses && this.element.addClass("ui-draggable")); |
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(this.options.disabled && this.element.addClass("ui-draggable-disabled")); |
| 24 |
|
| 25 |
this._mouseInit(); |
| 26 |
|
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}, |
| 28 |
|
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destroy: function() { |
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if(!this.element.data('draggable')) return; |
| 31 |
this.element |
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.removeData("draggable") |
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.unbind(".draggable") |
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.removeClass("ui-draggable" |
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+ " ui-draggable-dragging" |
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+ " 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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if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle')) |
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return false; |
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|
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//Quit if we're not on a valid handle |
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this.handle = this._getHandle(event); |
| 49 |
if (!this.handle) |
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return false; |
| 51 |
|
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return true; |
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|
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}, |
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|
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_mouseStart: function(event) { |
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|
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var o = this.options; |
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|
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//Create and append the visible helper |
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this.helper = this._createHelper(event); |
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|
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//Cache the helper size |
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this._cacheHelperProportions(); |
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|
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//If ddmanager is used for droppables, set the global draggable |
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if($.ui.ddmanager) |
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$.ui.ddmanager.current = this; |
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|
| 70 |
/* |
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* - Position generation - |
| 72 |
* This block generates everything position related - it's the core of draggables. |
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*/ |
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|
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//Cache the margins of the original element |
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this._cacheMargins(); |
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|
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//Store the helper's css position |
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this.cssPosition = this.helper.css("position"); |
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this.scrollParent = this.helper.scrollParent(); |
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|
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//The element's absolute position on the page minus margins |
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this.offset = this.element.offset(); |
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this.offset = { |
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top: this.offset.top - this.margins.top, |
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left: this.offset.left - this.margins.left |
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}; |
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|
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$.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._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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if(o.cursorAt) |
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this._adjustOffsetFromHelper(o.cursorAt); |
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|
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//Set a containment if given in the options |
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if(o.containment) |
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this._setContainment(); |
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|
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//Call plugins and callbacks |
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this._trigger("start", event); |
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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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this.helper.addClass("ui-draggable-dragging"); |
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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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return true; |
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}, |
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|
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_mouseDrag: function(event, noPropagation) { |
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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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this._trigger('drag', event, ui); |
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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") this.helper[0].style.left = this.position.left+'px'; |
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if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; |
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if($.ui.ddmanager) $.ui.ddmanager.drag(this, event); |
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|
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return false; |
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}, |
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|
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_mouseStop: function(event) { |
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|
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//If we are using droppables, inform the manager about the drop |
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var dropped = false; |
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if ($.ui.ddmanager && !this.options.dropBehaviour) |
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dropped = $.ui.ddmanager.drop(this, event); |
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|
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//if a drop comes from outside (a sortable) |
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if(this.dropped) { |
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dropped = this.dropped; |
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this.dropped = false; |
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} |
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|
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if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) { |
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var self = this; |
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$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() { |
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self._trigger("stop", event); |
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self._clear(); |
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}); |
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} else { |
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this._trigger("stop", event); |
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this._clear(); |
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} |
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|
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return false; |
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}, |
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|
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_getHandle: function(event) { |
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|
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var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; |
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$(this.options.handle, this.element) |
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.find("*") |
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.andSelf() |
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.each(function() { |
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if(this == event.target) handle = true; |
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}); |
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|
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return handle; |
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|
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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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var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : 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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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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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(obj.left != undefined) this.offset.click.left = obj.left + this.margins.left; |
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if(obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; |
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if(obj.top != undefined) this.offset.click.top = obj.top + this.margins.top; |
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if(obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; |
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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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this.offsetParent = this.helper.offsetParent(); |
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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 && $.ui.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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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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|| (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix |
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po = { top: 0, left: 0 }; |
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|
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return { |
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top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), |
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left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) |
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}; |
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|
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}, |
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|
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_getRelativeOffset: function() { |
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|
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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(), |
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left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() |
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}; |
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} else { |
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return { top: 0, left: 0 }; |
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} |
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|
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}, |
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|
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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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}; |
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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() |
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}; |
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}, |
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|
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_setContainment: function() { |
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|
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var o = this.options; |
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if(o.containment == 'parent') o.containment = this.helper[0].parentNode; |
| 267 |
if(o.containment == 'document' || o.containment == 'window') this.containment = [ |
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0 - this.offset.relative.left - this.offset.parent.left, |
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0 - this.offset.relative.top - this.offset.parent.top, |
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$(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left, |
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($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top |
| 272 |
]; |
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|
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if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) { |
| 275 |
var ce = $(o.containment)[0]; if(!ce) return; |
| 276 |
var co = $(o.containment).offset(); |
| 277 |
var over = ($(ce).css("overflow") != 'hidden'); |
| 278 |
|
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this.containment = [ |
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co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left, |
| 281 |
co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top, |
| 282 |
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, |
| 283 |
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 |
| 284 |
]; |
| 285 |
} else if(o.containment.constructor == Array) { |
| 286 |
this.containment = o.containment; |
| 287 |
} |
| 288 |
|
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}, |
| 290 |
|
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_convertPositionTo: function(d, pos) { |
| 292 |
|
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if(!pos) pos = this.position; |
| 294 |
var mod = d == "absolute" ? 1 : -1; |
| 295 |
var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); |
| 296 |
|
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return { |
| 298 |
top: ( |
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pos.top // The absolute mouse position |
| 300 |
+ this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
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+ this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) |
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- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod) |
| 303 |
), |
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left: ( |
| 305 |
pos.left // The absolute mouse position |
| 306 |
+ this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
| 307 |
+ this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) |
| 308 |
- ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) |
| 309 |
) |
| 310 |
}; |
| 311 |
|
| 312 |
}, |
| 313 |
|
| 314 |
_generatePosition: function(event) { |
| 315 |
|
| 316 |
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); |
| 317 |
|
| 318 |
// This is another very weird special case that only happens for relative elements: |
| 319 |
// 1. If the css position is relative |
| 320 |
// 2. and the scroll parent is the document or similar to the offset parent |
| 321 |
// we have to refresh the relative offset during the scroll so there are no jumps |
| 322 |
if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) { |
| 323 |
this.offset.relative = this._getRelativeOffset(); |
| 324 |
} |
| 325 |
|
| 326 |
var pageX = event.pageX; |
| 327 |
var pageY = event.pageY; |
| 328 |
|
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/* |
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* - Position constraining - |
| 331 |
* Constrain the position to a mix of grid, containment. |
| 332 |
*/ |
| 333 |
|
| 334 |
if(this.originalPosition) { //If we are not dragging yet, we won't check for options |
| 335 |
|
| 336 |
if(this.containment) { |
| 337 |
if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left; |
| 338 |
if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top; |
| 339 |
if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left; |
| 340 |
if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top; |
| 341 |
} |
| 342 |
|
| 343 |
if(o.grid) { |
| 344 |
var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; |
| 345 |
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; |
| 346 |
|
| 347 |
var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; |
| 348 |
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; |
| 349 |
} |
| 350 |
|
| 351 |
} |
| 352 |
|
| 353 |
return { |
| 354 |
top: ( |
| 355 |
pageY // The absolute mouse position |
| 356 |
- this.offset.click.top // Click offset (relative to the element) |
| 357 |
- this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent |
| 358 |
- this.offset.parent.top // The offsetParent's offset without borders (offset + border) |
| 359 |
+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) |
| 360 |
), |
| 361 |
left: ( |
| 362 |
pageX // The absolute mouse position |
| 363 |
- this.offset.click.left // Click offset (relative to the element) |
| 364 |
- this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent |
| 365 |
- this.offset.parent.left // The offsetParent's offset without borders (offset + border) |
| 366 |
+ ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) |
| 367 |
) |
| 368 |
}; |
| 369 |
|
| 370 |
}, |
| 371 |
|
| 372 |
_clear: function() { |
| 373 |
this.helper.removeClass("ui-draggable-dragging"); |
| 374 |
if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove(); |
| 375 |
//if($.ui.ddmanager) $.ui.ddmanager.current = null; |
| 376 |
this.helper = null; |
| 377 |
this.cancelHelperRemoval = false; |
| 378 |
}, |
| 379 |
|
| 380 |
// From now on bulk stuff - mainly helpers |
| 381 |
|
| 382 |
_trigger: function(type, event, ui) { |
| 383 |
ui = ui || this._uiHash(); |
| 384 |
$.ui.plugin.call(this, type, [event, ui]); |
| 385 |
if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins |
| 386 |
return $.widget.prototype._trigger.call(this, type, event, ui); |
| 387 |
}, |
| 388 |
|
| 389 |
plugins: {}, |
| 390 |
|
| 391 |
_uiHash: function(event) { |
| 392 |
return { |
| 393 |
helper: this.helper, |
| 394 |
position: this.position, |
| 395 |
absolutePosition: this.positionAbs, //deprecated |
| 396 |
offset: this.positionAbs |
| 397 |
}; |
| 398 |
} |
| 399 |
|
| 400 |
})); |
| 401 |
|
| 402 |
$.extend($.ui.draggable, { |
| 403 |
version: "1.7.2", |
| 404 |
eventPrefix: "drag", |
| 405 |
defaults: { |
| 406 |
addClasses: true, |
| 407 |
appendTo: "parent", |
| 408 |
axis: false, |
| 409 |
cancel: ":input,option", |
| 410 |
connectToSortable: false, |
| 411 |
containment: false, |
| 412 |
cursor: "auto", |
| 413 |
cursorAt: false, |
| 414 |
delay: 0, |
| 415 |
distance: 1, |
| 416 |
grid: false, |
| 417 |
handle: false, |
| 418 |
helper: "original", |
| 419 |
iframeFix: false, |
| 420 |
opacity: false, |
| 421 |
refreshPositions: false, |
| 422 |
revert: false, |
| 423 |
revertDuration: 500, |
| 424 |
scope: "default", |
| 425 |
scroll: true, |
| 426 |
scrollSensitivity: 20, |
| 427 |
scrollSpeed: 20, |
| 428 |
snap: false, |
| 429 |
snapMode: "both", |
| 430 |
snapTolerance: 20, |
| 431 |
stack: false, |
| 432 |
zIndex: false |
| 433 |
} |
| 434 |
}); |
| 435 |
|
| 436 |
$.ui.plugin.add("draggable", "connectToSortable", { |
| 437 |
start: function(event, ui) { |
| 438 |
|
| 439 |
var inst = $(this).data("draggable"), o = inst.options, |
| 440 |
uiSortable = $.extend({}, ui, { item: inst.element }); |
| 441 |
inst.sortables = []; |
| 442 |
$(o.connectToSortable).each(function() { |
| 443 |
var sortable = $.data(this, 'sortable'); |
| 444 |
if (sortable && !sortable.options.disabled) { |
| 445 |
inst.sortables.push({ |
| 446 |
instance: sortable, |
| 447 |
shouldRevert: sortable.options.revert |
| 448 |
}); |
| 449 |
sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache |
| 450 |
sortable._trigger("activate", event, uiSortable); |
| 451 |
} |
| 452 |
}); |
| 453 |
|
| 454 |
}, |
| 455 |
stop: function(event, ui) { |
| 456 |
|
| 457 |
//If we are still over the sortable, we fake the stop event of the sortable, but also remove helper |
| 458 |
var inst = $(this).data("draggable"), |
| 459 |
uiSortable = $.extend({}, ui, { item: inst.element }); |
| 460 |
|
| 461 |
$.each(inst.sortables, function() { |
| 462 |
if(this.instance.isOver) { |
| 463 |
|
| 464 |
this.instance.isOver = 0; |
| 465 |
|
| 466 |
inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance |
| 467 |
this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) |
| 468 |
|
| 469 |
//The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid' |
| 470 |
if(this.shouldRevert) this.instance.options.revert = true; |
| 471 |
|
| 472 |
//Trigger the stop of the sortable |
| 473 |
this.instance._mouseStop(event); |
| 474 |
|
| 475 |
this.instance.options.helper = this.instance.options._helper; |
| 476 |
|
| 477 |
//If the helper has been the original item, restore properties in the sortable |
| 478 |
if(inst.options.helper == 'original') |
| 479 |
this.instance.currentItem.css({ top: 'auto', left: 'auto' }); |
| 480 |
|
| 481 |
} else { |
| 482 |
this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance |
| 483 |
this.instance._trigger("deactivate", event, uiSortable); |
| 484 |
} |
| 485 |
|
| 486 |
}); |
| 487 |
|
| 488 |
}, |
| 489 |
drag: function(event, ui) { |
| 490 |
|
| 491 |
var inst = $(this).data("draggable"), self = this; |
| 492 |
|
| 493 |
var checkPos = function(o) { |
| 494 |
var dyClick = this.offset.click.top, dxClick = this.offset.click.left; |
| 495 |
var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left; |
| 496 |
var itemHeight = o.height, itemWidth = o.width; |
| 497 |
var itemTop = o.top, itemLeft = o.left; |
| 498 |
|
| 499 |
return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth); |
| 500 |
}; |
| 501 |
|
| 502 |
$.each(inst.sortables, function(i) { |
| 503 |
|
| 504 |
//Copy over some variables to allow calling the sortable's native _intersectsWith |
| 505 |
this.instance.positionAbs = inst.positionAbs; |
| 506 |
this.instance.helperProportions = inst.helperProportions; |
| 507 |
this.instance.offset.click = inst.offset.click; |
| 508 |
|
| 509 |
if(this.instance._intersectsWith(this.instance.containerCache)) { |
| 510 |
|
| 511 |
//If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once |
| 512 |
if(!this.instance.isOver) { |
| 513 |
|
| 514 |
this.instance.isOver = 1; |
| 515 |
//Now we fake the start of dragging for the sortable instance, |
| 516 |
//by cloning the list group item, appending it to the sortable and using it as inst.currentItem |
| 517 |
//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) |
| 518 |
this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); |
| 519 |
this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it |
| 520 |
this.instance.options.helper = function() { return ui.helper[0]; }; |
| 521 |
|
| 522 |
event.target = this.instance.currentItem[0]; |
| 523 |
this.instance._mouseCapture(event, true); |
| 524 |
this.instance._mouseStart(event, true, true); |
| 525 |
|
| 526 |
//Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes |
| 527 |
this.instance.offset.click.top = inst.offset.click.top; |
| 528 |
this.instance.offset.click.left = inst.offset.click.left; |
| 529 |
this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; |
| 530 |
this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; |
| 531 |
|
| 532 |
inst._trigger("toSortable", event); |
| 533 |
inst.dropped = this.instance.element; //draggable revert needs that |
| 534 |
//hack so receive/update callbacks work (mostly) |
| 535 |
inst.currentItem = inst.element; |
| 536 |
this.instance.fromOutside = inst; |
| 537 |
|
| 538 |
} |
| 539 |
|
| 540 |
//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 |
| 541 |
if(this.instance.currentItem) this.instance._mouseDrag(event); |
| 542 |
|
| 543 |
} else { |
| 544 |
|
| 545 |
//If it doesn't intersect with the sortable, and it intersected before, |
| 546 |
//we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval |
| 547 |
if(this.instance.isOver) { |
| 548 |
|
| 549 |
this.instance.isOver = 0; |
| 550 |
this.instance.cancelHelperRemoval = true; |
| 551 |
|
| 552 |
//Prevent reverting on this forced stop |
| 553 |
this.instance.options.revert = false; |
| 554 |
|
| 555 |
// The out event needs to be triggered independently |
| 556 |
this.instance._trigger('out', event, this.instance._uiHash(this.instance)); |
| 557 |
|
| 558 |
this.instance._mouseStop(event, true); |
| 559 |
this.instance.options.helper = this.instance.options._helper; |
| 560 |
|
| 561 |
//Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size |
| 562 |
this.instance.currentItem.remove(); |
| 563 |
if(this.instance.placeholder) this.instance.placeholder.remove(); |
| 564 |
|
| 565 |
inst._trigger("fromSortable", event); |
| 566 |
inst.dropped = false; //draggable revert needs that |
| 567 |
} |
| 568 |
|
| 569 |
}; |
| 570 |
|
| 571 |
}); |
| 572 |
|
| 573 |
} |
| 574 |
}); |
| 575 |
|
| 576 |
$.ui.plugin.add("draggable", "cursor", { |
| 577 |
start: function(event, ui) { |
| 578 |
var t = $('body'), o = $(this).data('draggable').options; |
| 579 |
if (t.css("cursor")) o._cursor = t.css("cursor"); |
| 580 |
t.css("cursor", o.cursor); |
| 581 |
}, |
| 582 |
stop: function(event, ui) { |
| 583 |
var o = $(this).data('draggable').options; |
| 584 |
if (o._cursor) $('body').css("cursor", o._cursor); |
| 585 |
} |
| 586 |
}); |
| 587 |
|
| 588 |
$.ui.plugin.add("draggable", "iframeFix", { |
| 589 |
start: function(event, ui) { |
| 590 |
var o = $(this).data('draggable').options; |
| 591 |
$(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() { |
| 592 |
$('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') |
| 593 |
.css({ |
| 594 |
width: this.offsetWidth+"px", height: this.offsetHeight+"px", |
| 595 |
position: "absolute", opacity: "0.001", zIndex: 1000 |
| 596 |
}) |
| 597 |
.css($(this).offset()) |
| 598 |
.appendTo("body"); |
| 599 |
}); |
| 600 |
}, |
| 601 |
stop: function(event, ui) { |
| 602 |
$("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers |
| 603 |
} |
| 604 |
}); |
| 605 |
|
| 606 |
$.ui.plugin.add("draggable", "opacity", { |
| 607 |
start: function(event, ui) { |
| 608 |
var t = $(ui.helper), o = $(this).data('draggable').options; |
| 609 |
if(t.css("opacity")) o._opacity = t.css("opacity"); |
| 610 |
t.css('opacity', o.opacity); |
| 611 |
}, |
| 612 |
stop: function(event, ui) { |
| 613 |
var o = $(this).data('draggable').options; |
| 614 |
if(o._opacity) $(ui.helper).css('opacity', o._opacity); |
| 615 |
} |
| 616 |
}); |
| 617 |
|
| 618 |
$.ui.plugin.add("draggable", "scroll", { |
| 619 |
start: function(event, ui) { |
| 620 |
var i = $(this).data("draggable"); |
| 621 |
if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset(); |
| 622 |
}, |
| 623 |
drag: function(event, ui) { |
| 624 |
|
| 625 |
var i = $(this).data("draggable"), o = i.options, scrolled = false; |
| 626 |
|
| 627 |
if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') { |
| 628 |
|
| 629 |
if(!o.axis || o.axis != 'x') { |
| 630 |
if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) |
| 631 |
i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed; |
| 632 |
else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) |
| 633 |
i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed; |
| 634 |
} |
| 635 |
|
| 636 |
if(!o.axis || o.axis != 'y') { |
| 637 |
if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) |
| 638 |
i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed; |
| 639 |
else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) |
| 640 |
i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed; |
| 641 |
} |
| 642 |
|
| 643 |
} else { |
| 644 |
|
| 645 |
if(!o.axis || o.axis != 'x') { |
| 646 |
if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) |
| 647 |
scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
| 648 |
else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) |
| 649 |
scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
| 650 |
} |
| 651 |
|
| 652 |
if(!o.axis || o.axis != 'y') { |
| 653 |
if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) |
| 654 |
scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
| 655 |
else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) |
| 656 |
scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
| 657 |
} |
| 658 |
|
| 659 |
} |
| 660 |
|
| 661 |
if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) |
| 662 |
$.ui.ddmanager.prepareOffsets(i, event); |
| 663 |
|
| 664 |
} |
| 665 |
}); |
| 666 |
|
| 667 |
$.ui.plugin.add("draggable", "snap", { |
| 668 |
start: function(event, ui) { |
| 669 |
|
| 670 |
var i = $(this).data("draggable"), o = i.options; |
| 671 |
i.snapElements = []; |
| 672 |
|
| 673 |
$(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() { |
| 674 |
var $t = $(this); var $o = $t.offset(); |
| 675 |
if(this != i.element[0]) i.snapElements.push({ |
| 676 |
item: this, |
| 677 |
width: $t.outerWidth(), height: $t.outerHeight(), |
| 678 |
top: $o.top, left: $o.left |
| 679 |
}); |
| 680 |
}); |
| 681 |
|
| 682 |
}, |
| 683 |
drag: function(event, ui) { |
| 684 |
|
| 685 |
var inst = $(this).data("draggable"), o = inst.options; |
| 686 |
var d = o.snapTolerance; |
| 687 |
|
| 688 |
var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width, |
| 689 |
y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height; |
| 690 |
|
| 691 |
for (var i = inst.snapElements.length - 1; i >= 0; i--){ |
| 692 |
|
| 693 |
var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, |
| 694 |
t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; |
| 695 |
|
| 696 |
//Yes, I know, this is insane ;) |
| 697 |
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))) { |
| 698 |
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 }))); |
| 699 |
inst.snapElements[i].snapping = false; |
| 700 |
continue; |
| 701 |
} |
| 702 |
|
| 703 |
if(o.snapMode != 'inner') { |
| 704 |
var ts = Math.abs(t - y2) <= d; |
| 705 |
var bs = Math.abs(b - y1) <= d; |
| 706 |
var ls = Math.abs(l - x2) <= d; |
| 707 |
var rs = Math.abs(r - x1) <= d; |
| 708 |
if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
| 709 |
if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top; |
| 710 |
if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left; |
| 711 |
if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left; |
| 712 |
} |
| 713 |
|
| 714 |
var first = (ts || bs || ls || rs); |
| 715 |
|
| 716 |
if(o.snapMode != 'outer') { |
| 717 |
var ts = Math.abs(t - y1) <= d; |
| 718 |
var bs = Math.abs(b - y2) <= d; |
| 719 |
var ls = Math.abs(l - x1) <= d; |
| 720 |
var rs = Math.abs(r - x2) <= d; |
| 721 |
if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top; |
| 722 |
if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top; |
| 723 |
if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left; |
| 724 |
if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left; |
| 725 |
} |
| 726 |
|
| 727 |
if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) |
| 728 |
(inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); |
| 729 |
inst.snapElements[i].snapping = (ts || bs || ls || rs || first); |
| 730 |
|
| 731 |
}; |
| 732 |
|
| 733 |
} |
| 734 |
}); |
| 735 |
|
| 736 |
$.ui.plugin.add("draggable", "stack", { |
| 737 |
start: function(event, ui) { |
| 738 |
|
| 739 |
var o = $(this).data("draggable").options; |
| 740 |
|
| 741 |
var group = $.makeArray($(o.stack.group)).sort(function(a,b) { |
| 742 |
return (parseInt($(a).css("zIndex"),10) || o.stack.min) - (parseInt($(b).css("zIndex"),10) || o.stack.min); |
| 743 |
}); |
| 744 |
|
| 745 |
$(group).each(function(i) { |
| 746 |
this.style.zIndex = o.stack.min + i; |
| 747 |
}); |
| 748 |
|
| 749 |
this[0].style.zIndex = o.stack.min + group.length; |
| 750 |
|
| 751 |
} |
| 752 |
}); |
| 753 |
|
| 754 |
$.ui.plugin.add("draggable", "zIndex", { |
| 755 |
start: function(event, ui) { |
| 756 |
var t = $(ui.helper), o = $(this).data("draggable").options; |
| 757 |
if(t.css("zIndex")) o._zIndex = t.css("zIndex"); |
| 758 |
t.css('zIndex', o.zIndex); |
| 759 |
}, |
| 760 |
stop: function(event, ui) { |
| 761 |
var o = $(this).data("draggable").options; |
| 762 |
if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex); |
| 763 |
} |
| 764 |
}); |
| 765 |
|
| 766 |
})(jQuery); |
| 767 |
|
