| 1 | /* |
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| 2 | * jQuery UI Draggable |
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| 3 | * |
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| 4 | * Copyright (c) 2008 Paul Bakaus |
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| 5 | * Dual licensed under the MIT (MIT-LICENSE.txt) |
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| 6 | * and GPL (GPL-LICENSE.txt) licenses. |
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| 7 | * |
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| 8 | * http://docs.jquery.com/UI/Draggables |
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| 9 | * |
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| 10 | * Depends: |
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| 11 | * ui.core.js |
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| 12 | */ |
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| 13 | (function($) { |
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| 14 | |
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| 15 | $.widget("ui.draggable", $.extend({}, $.ui.mouse, { |
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| 16 | init: function() { |
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| 17 | |
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| 18 | //Initialize needed constants |
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| 19 | var o = this.options; |
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| 20 | |
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| 21 | //Position the node |
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| 22 | if (o.helper == 'original' && !(/(relative|absolute|fixed)/).test(this.element.css('position'))) |
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| 23 | this.element.css('position', 'relative'); |
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| 24 | |
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| 25 | this.element.addClass('ui-draggable'); |
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| 26 | (o.disabled && this.element.addClass('ui-draggable-disabled')); |
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| 27 | |
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| 28 | this.mouseInit(); |
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| 29 | |
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| 30 | }, |
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| 31 | mouseStart: function(e) { |
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| 32 | var o = this.options; |
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| 33 | |
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| 34 | if (this.helper || o.disabled || $(e.target).is('.ui-resizable-handle')) return false; |
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| 35 | |
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| 36 | var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; |
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| 37 | |
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| 38 | |
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| 39 | $(this.options.handle, this.element).find("*").andSelf().each(function() { |
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| 40 | if(this == e.target) handle = true; |
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| 41 | }); |
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| 42 | if (!handle) return false; |
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| 43 | |
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| 44 | if($.ui.ddmanager) $.ui.ddmanager.current = this; |
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| 45 | |
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| 46 | //Create and append the visible helper |
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| 47 | this.helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [e])) : (o.helper == 'clone' ? this.element.clone() : this.element); |
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| 48 | if(!this.helper.parents('body').length) this.helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)); |
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| 49 | if(this.helper[0] != this.element[0] && !(/(fixed|absolute)/).test(this.helper.css("position"))) this.helper.css("position", "absolute"); |
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| 50 | |
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| 51 | /* |
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| 52 | * - Position generation - |
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| 53 | * This block generates everything position related - it's the core of draggables. |
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| 54 | */ |
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| 55 | |
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| 56 | this.margins = { //Cache the margins |
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| 57 | left: (parseInt(this.element.css("marginLeft"),10) || 0), |
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| 58 | top: (parseInt(this.element.css("marginTop"),10) || 0) |
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| 59 | }; |
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| 60 | |
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| 61 | this.cssPosition = this.helper.css("position"); //Store the helper's css position |
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| 62 | this.offset = this.element.offset(); //The element's absolute position on the page |
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| 63 | this.offset = { //Substract the margins from the element's absolute offset |
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| 64 | top: this.offset.top - this.margins.top, |
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| 65 | left: this.offset.left - this.margins.left |
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| 66 | }; |
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| 67 | |
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| 68 | this.offset.click = { //Where the click happened, relative to the element |
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| 69 | left: e.pageX - this.offset.left, |
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| 70 | top: e.pageY - this.offset.top |
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| 71 | }; |
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| 72 | |
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| 73 | this.offsetParent = this.helper.offsetParent(); var po = this.offsetParent.offset(); //Get the offsetParent and cache its position |
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| 74 | if(this.offsetParent[0] == document.body && $.browser.mozilla) po = { top: 0, left: 0 }; //Ugly FF3 fix |
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| 75 | this.offset.parent = { //Store its position plus border |
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| 76 | top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), |
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| 77 | left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) |
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| 78 | }; |
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| 79 | |
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| 80 | var p = this.element.position(); //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helpers |
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| 81 | this.offset.relative = this.cssPosition == "relative" ? { |
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| 82 | top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.offsetParent[0].scrollTop, |
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| 83 | left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.offsetParent[0].scrollLeft |
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| 84 | } : { top: 0, left: 0 }; |
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| 85 | |
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| 86 | this.originalPosition = this.generatePosition(e); //Generate the original position |
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| 87 | this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size |
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| 88 | |
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| 89 | if(o.cursorAt) { |
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| 90 | if(o.cursorAt.left != undefined) this.offset.click.left = o.cursorAt.left + this.margins.left; |
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| 91 | if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right + this.margins.left; |
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| 92 | if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top + this.margins.top; |
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| 93 | if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom + this.margins.top; |
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| 94 | } |
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| 95 | |
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| 96 | |
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| 97 | /* |
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| 98 | * - Position constraining - |
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| 99 | * Here we prepare position constraining like grid and containment. |
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| 100 | */ |
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| 101 | |
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| 102 | if(o.containment) { |
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| 103 | if(o.containment == 'parent') o.containment = this.helper[0].parentNode; |
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| 104 | if(o.containment == 'document' || o.containment == 'window') this.containment = [ |
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| 105 | 0 - this.offset.relative.left - this.offset.parent.left, |
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| 106 | 0 - this.offset.relative.top - this.offset.parent.top, |
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| 107 | $(o.containment == 'document' ? document : window).width() - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0), |
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| 108 | ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0) |
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| 109 | ]; |
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| 110 | |
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| 111 | if(!(/^(document|window|parent)$/).test(o.containment)) { |
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| 112 | var ce = $(o.containment)[0]; |
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| 113 | var co = $(o.containment).offset(); |
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| 114 | |
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| 115 | this.containment = [ |
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| 116 | co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.relative.left - this.offset.parent.left, |
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| 117 | co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top, |
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| 118 | co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.relative.left - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0), |
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| 119 | co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.relative.top - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0) |
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| 120 | ]; |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | //Call plugins and callbacks |
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| 125 | this.propagate("start", e); |
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| 126 | |
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| 127 | this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache the helper size |
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| 128 | if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e); |
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| 129 | |
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| 130 | this.helper.addClass("ui-draggable-dragging"); |
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| 131 | this.mouseDrag(e); //Execute the drag once - this causes the helper not to be visible before getting its correct position |
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| 132 | return true; |
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| 133 | }, |
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| 134 | convertPositionTo: function(d, pos) { |
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| 135 | if(!pos) pos = this.position; |
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| 136 | var mod = d == "absolute" ? 1 : -1; |
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| 137 | return { |
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| 138 | top: ( |
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| 139 | pos.top // the calculated relative position |
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| 140 | + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
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| 141 | + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) |
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| 142 | - (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollTop) * mod // The offsetParent's scroll position, not if the element is fixed |
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| 143 | + (this.cssPosition == "fixed" ? $(document).scrollTop() : 0) * mod |
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| 144 | + this.margins.top * mod //Add the margin (you don't want the margin counting in intersection methods) |
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| 145 | ), |
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| 146 | left: ( |
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| 147 | pos.left // the calculated relative position |
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| 148 | + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent |
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| 149 | + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) |
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| 150 | - (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollLeft) * mod // The offsetParent's scroll position, not if the element is fixed |
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| 151 | + (this.cssPosition == "fixed" ? $(document).scrollLeft() : 0) * mod |
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| 152 | + this.margins.left * mod //Add the margin (you don't want the margin counting in intersection methods) |
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| 153 | ) |
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| 154 | }; |
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| 155 | }, |
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| 156 | generatePosition: function(e) { |
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| 157 | |
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| 158 | var o = this.options; |
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| 159 | var position = { |
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| 160 | top: ( |
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| 161 | e.pageY // The absolute mouse position |
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| 162 | - this.offset.click.top // Click offset (relative to the element) |
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| 163 | - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent |
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| 164 | - this.offset.parent.top // The offsetParent's offset without borders (offset + border) |
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| 165 | + (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollTop) // The offsetParent's scroll position, not if the element is fixed |
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| 166 | - (this.cssPosition == "fixed" ? $(document).scrollTop() : 0) |
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| 167 | ), |
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| 168 | left: ( |
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| 169 | e.pageX // The absolute mouse position |
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| 170 | - this.offset.click.left // Click offset (relative to the element) |
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| 171 | - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent |
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| 172 | - this.offset.parent.left // The offsetParent's offset without borders (offset + border) |
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| 173 | + (this.cssPosition == "fixed" || (this.cssPosition == "absolute" && this.offsetParent[0] == document.body) ? 0 : this.offsetParent[0].scrollLeft) // The offsetParent's scroll position, not if the element is fixed |
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| 174 | - (this.cssPosition == "fixed" ? $(document).scrollLeft() : 0) |
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| 175 | ) |
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| 176 | }; |
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| 177 | |
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| 178 | if(!this.originalPosition) return position; //If we are not dragging yet, we won't check for options |
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| 179 | |
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| 180 | /* |
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| 181 | * - Position constraining - |
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| 182 | * Constrain the position to a mix of grid, containment. |
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| 183 | */ |
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| 184 | if(this.containment) { |
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| 185 | if(position.left < this.containment[0]) position.left = this.containment[0]; |
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| 186 | if(position.top < this.containment[1]) position.top = this.containment[1]; |
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| 187 | if(position.left > this.containment[2]) position.left = this.containment[2]; |
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| 188 | if(position.top > this.containment[3]) position.top = this.containment[3]; |
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| 189 | } |
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| 190 | |
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| 191 | if(o.grid) { |
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| 192 | var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1]; |
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| 193 | position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top : (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; |
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| 194 | |
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| 195 | var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0]; |
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| 196 | position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left : (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; |
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| 197 | } |
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| 198 | |
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| 199 | return position; |
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| 200 | }, |
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| 201 | mouseDrag: function(e) { |
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| 202 | |
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| 203 | //Compute the helpers position |
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| 204 | this.position = this.generatePosition(e); |
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| 205 | this.positionAbs = this.convertPositionTo("absolute"); |
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| 206 | |
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| 207 | //Call plugins and callbacks and use the resulting position if something is returned |
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| 208 | this.position = this.propagate("drag", e) || this.position; |
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| 209 | |
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| 210 | if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; |
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| 211 | if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; |
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| 212 | if($.ui.ddmanager) $.ui.ddmanager.drag(this, e); |
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| 213 | |
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| 214 | return false; |
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| 215 | }, |
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| 216 | mouseStop: function(e) { |
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| 217 | |
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| 218 | //If we are using droppables, inform the manager about the drop |
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| 219 | var dropped = false; |
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| 220 | if ($.ui.ddmanager && !this.options.dropBehaviour) |
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| 221 | var dropped = $.ui.ddmanager.drop(this, e); |
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| 222 | |
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| 223 | if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true) { |
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| 224 | var self = this; |
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| 225 | $(this.helper).animate(this.originalPosition, parseInt(this.options.revert, 10) || 500, function() { |
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| 226 | self.propagate("stop", e); |
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| 227 | self.clear(); |
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| 228 | }); |
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| 229 | } else { |
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| 230 | this.propagate("stop", e); |
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| 231 | this.clear(); |
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| 232 | } |
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| 233 | |
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| 234 | return false; |
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| 235 | }, |
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| 236 | clear: function() { |
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| 237 | this.helper.removeClass("ui-draggable-dragging"); |
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| 238 | if(this.options.helper != 'original' && !this.cancelHelperRemoval) this.helper.remove(); |
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| 239 | //if($.ui.ddmanager) $.ui.ddmanager.current = null; |
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| 240 | this.helper = null; |
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| 241 | this.cancelHelperRemoval = false; |
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| 242 | }, |
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| 243 | |
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| 244 | // From now on bulk stuff - mainly helpers |
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| 245 | plugins: {}, |
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| 246 | uiHash: function(e) { |
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| 247 | return { |
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| 248 | helper: this.helper, |
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| 249 | position: this.position, |
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| 250 | absolutePosition: this.positionAbs, |
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| 251 | options: this.options |
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| 252 | }; |
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| 253 | }, |
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| 254 | propagate: function(n,e) { |
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| 255 | $.ui.plugin.call(this, n, [e, this.uiHash()]); |
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| 256 | if(n == "drag") this.positionAbs = this.convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins |
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| 257 | return this.element.triggerHandler(n == "drag" ? n : "drag"+n, [e, this.uiHash()], this.options[n]); |
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| 258 | }, |
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| 259 | destroy: function() { |
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| 260 | if(!this.element.data('draggable')) return; |
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| 261 | this.element.removeData("draggable").unbind(".draggable").removeClass('ui-draggable'); |
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| 262 | this.mouseDestroy(); |
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| 263 | } |
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| 264 | })); |
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| 265 | |
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| 266 | $.extend($.ui.draggable, { |
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| 267 | defaults: { |
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| 268 | appendTo: "parent", |
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| 269 | axis: false, |
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| 270 | cancel: ":input", |
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| 271 | delay: 0, |
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| 272 | distance: 1, |
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| 273 | helper: "original" |
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| 274 | } |
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| 275 | }); |
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| 276 | |
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| 277 | $.ui.plugin.add("draggable", "cursor", { |
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| 278 | start: function(e, ui) { |
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| 279 | var t = $('body'); |
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| 280 | if (t.css("cursor")) ui.options._cursor = t.css("cursor"); |
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| 281 | t.css("cursor", ui.options.cursor); |
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| 282 | }, |
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| 283 | stop: function(e, ui) { |
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| 284 | if (ui.options._cursor) $('body').css("cursor", ui.options._cursor); |
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| 285 | } |
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| 286 | }); |
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| 287 | |
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| 288 | $.ui.plugin.add("draggable", "zIndex", { |
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| 289 | start: function(e, ui) { |
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| 290 | var t = $(ui.helper); |
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| 291 | if(t.css("zIndex")) ui.options._zIndex = t.css("zIndex"); |
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| 292 | t.css('zIndex', ui.options.zIndex); |
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| 293 | }, |
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| 294 | stop: function(e, ui) { |
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| 295 | if(ui.options._zIndex) $(ui.helper).css('zIndex', ui.options._zIndex); |
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| 296 | } |
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| 297 | }); |
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| 298 | |
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| 299 | $.ui.plugin.add("draggable", "opacity", { |
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| 300 | start: function(e, ui) { |
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| 301 | var t = $(ui.helper); |
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| 302 | if(t.css("opacity")) ui.options._opacity = t.css("opacity"); |
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| 303 | t.css('opacity', ui.options.opacity); |
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| 304 | }, |
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| 305 | stop: function(e, ui) { |
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| 306 | if(ui.options._opacity) $(ui.helper).css('opacity', ui.options._opacity); |
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| 307 | } |
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| 308 | }); |
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| 309 | |
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| 310 | $.ui.plugin.add("draggable", "iframeFix", { |
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| 311 | start: function(e, ui) { |
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| 312 | $(ui.options.iframeFix === true ? "iframe" : ui.options.iframeFix).each(function() { |
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| 313 | $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') |
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| 314 | .css({ |
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| 315 | width: this.offsetWidth+"px", height: this.offsetHeight+"px", |
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| 316 | position: "absolute", opacity: "0.001", zIndex: 1000 |
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| 317 | }) |
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| 318 | .css($(this).offset()) |
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| 319 | .appendTo("body"); |
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| 320 | }); |
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| 321 | }, |
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| 322 | stop: function(e, ui) { |
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| 323 | $("div.DragDropIframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers |
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| 324 | } |
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| 325 | }); |
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| 326 | |
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| 327 | $.ui.plugin.add("draggable", "scroll", { |
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| 328 | start: function(e, ui) { |
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| 329 | var o = ui.options; |
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| 330 | var i = $(this).data("draggable"); |
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| 331 | o.scrollSensitivity = o.scrollSensitivity || 20; |
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| 332 | o.scrollSpeed = o.scrollSpeed || 20; |
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| 333 | |
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| 334 | i.overflowY = function(el) { |
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| 335 | do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-y'))) return el; el = el.parent(); } while (el[0].parentNode); |
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| 336 | return $(document); |
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| 337 | }(this); |
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| 338 | i.overflowX = function(el) { |
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| 339 | do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-x'))) return el; el = el.parent(); } while (el[0].parentNode); |
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| 340 | return $(document); |
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| 341 | }(this); |
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| 342 | |
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| 343 | if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') i.overflowYOffset = i.overflowY.offset(); |
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| 344 | if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') i.overflowXOffset = i.overflowX.offset(); |
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| 345 | |
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| 346 | }, |
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| 347 | drag: function(e, ui) { |
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| 348 | |
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| 349 | var o = ui.options; |
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| 350 | var i = $(this).data("draggable"); |
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| 351 | |
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| 352 | if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') { |
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| 353 | if((i.overflowYOffset.top + i.overflowY[0].offsetHeight) - e.pageY < o.scrollSensitivity) |
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| 354 | i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed; |
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| 355 | if(e.pageY - i.overflowYOffset.top < o.scrollSensitivity) |
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| 356 | i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed; |
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| 357 | |
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| 358 | } else { |
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| 359 | if(e.pageY - $(document).scrollTop() < o.scrollSensitivity) |
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| 360 | $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); |
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| 361 | if($(window).height() - (e.pageY - $(document).scrollTop()) < o.scrollSensitivity) |
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| 362 | $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); |
|---|
| 363 | } |
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| 364 | |
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| 365 | if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') { |
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| 366 | if((i.overflowXOffset.left + i.overflowX[0].offsetWidth) - e.pageX < o.scrollSensitivity) |
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| 367 | i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed; |
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| 368 | if(e.pageX - i.overflowXOffset.left < o.scrollSensitivity) |
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| 369 | i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft - o.scrollSpeed; |
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| 370 | } else { |
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| 371 | if(e.pageX - $(document).scrollLeft() < o.scrollSensitivity) |
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| 372 | $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); |
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| 373 | if($(window).width() - (e.pageX - $(document).scrollLeft()) < o.scrollSensitivity) |
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| 374 | $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); |
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| 375 | } |
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| 376 | |
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| 377 | } |
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| 378 | }); |
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| 379 | |
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| 380 | $.ui.plugin.add("draggable", "snap", { |
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| 381 | start: function(e, ui) { |
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| 382 | |
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| 383 | var inst = $(this).data("draggable"); |
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| 384 | inst.snapElements = []; |
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| 385 | $(ui.options.snap === true ? '.ui-draggable' : ui.options.snap).each(function() { |
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| 386 | var $t = $(this); var $o = $t.offset(); |
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| 387 | if(this != inst.element[0]) inst.snapElements.push({ |
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| 388 | item: this, |
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| 389 | width: $t.outerWidth(), height: $t.outerHeight(), |
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| 390 | top: $o.top, left: $o.left |
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| 391 | }); |
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| 392 | }); |
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| 393 | |
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| 394 | }, |
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| 395 | drag: function(e, ui) { |
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| 396 | |
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| 397 | var inst = $(this).data("draggable"); |
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| 398 | var d = ui.options.snapTolerance || 20; |
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| 399 | var x1 = ui.absolutePosition.left, x2 = x1 + inst.helperProportions.width, |
|---|
| 400 | y1 = ui.absolutePosition.top, y2 = y1 + inst.helperProportions.height; |
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| 401 | |
|---|
| 402 | for (var i = inst.snapElements.length - 1; i >= 0; i--){ |
|---|
| 403 | |
|---|
| 404 | var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, |
|---|
| 405 | t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; |
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| 406 | |
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| 407 | //Yes, I know, this is insane ;) |
|---|
| 408 | 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))) continue; |
|---|
| 409 | |
|---|
| 410 | if(ui.options.snapMode != 'inner') { |
|---|
| 411 | var ts = Math.abs(t - y2) <= 20; |
|---|
| 412 | var bs = Math.abs(b - y1) <= 20; |
|---|
| 413 | var ls = Math.abs(l - x2) <= 20; |
|---|
| 414 | var rs = Math.abs(r - x1) <= 20; |
|---|
| 415 | if(ts) ui.position.top = inst.convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top; |
|---|
| 416 | if(bs) ui.position.top = inst.convertPositionTo("relative", { top: b, left: 0 }).top; |
|---|
| 417 | if(ls) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left; |
|---|
| 418 | if(rs) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: r }).left; |
|---|
| 419 | } |
|---|
| 420 | |
|---|
| 421 | if(ui.options.snapMode != 'outer') { |
|---|
| 422 | var ts = Math.abs(t - y1) <= 20; |
|---|
| 423 | var bs = Math.abs(b - y2) <= 20; |
|---|
| 424 | var ls = Math.abs(l - x1) <= 20; |
|---|
| 425 | var rs = Math.abs(r - x2) <= 20; |
|---|
| 426 | if(ts) ui.position.top = inst.convertPositionTo("relative", { top: t, left: 0 }).top; |
|---|
| 427 | if(bs) ui.position.top = inst.convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top; |
|---|
| 428 | if(ls) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: l }).left; |
|---|
| 429 | if(rs) ui.position.left = inst.convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left; |
|---|
| 430 | } |
|---|
| 431 | |
|---|
| 432 | }; |
|---|
| 433 | } |
|---|
| 434 | }); |
|---|
| 435 | |
|---|
| 436 | $.ui.plugin.add("draggable", "connectToSortable", { |
|---|
| 437 | start: function(e,ui) { |
|---|
| 438 | |
|---|
| 439 | var inst = $(this).data("draggable"); |
|---|
| 440 | inst.sortables = []; |
|---|
| 441 | $(ui.options.connectToSortable).each(function() { |
|---|
| 442 | if($.data(this, 'sortable')) { |
|---|
| 443 | var sortable = $.data(this, 'sortable'); |
|---|
| 444 | inst.sortables.push({ |
|---|
| 445 | instance: sortable, |
|---|
| 446 | shouldRevert: sortable.options.revert |
|---|
| 447 | }); |
|---|
| 448 | sortable.refreshItems(); //Do a one-time refresh at start to refresh the containerCache |
|---|
| 449 | sortable.propagate("activate", e, inst); |
|---|
| 450 | } |
|---|
| 451 | }); |
|---|
| 452 | |
|---|
| 453 | }, |
|---|
| 454 | stop: function(e,ui) { |
|---|
| 455 | |
|---|
| 456 | //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper |
|---|
| 457 | var inst = $(this).data("draggable"); |
|---|
| 458 | |
|---|
| 459 | $.each(inst.sortables, function() { |
|---|
| 460 | if(this.instance.isOver) { |
|---|
| 461 | this.instance.isOver = 0; |
|---|
| 462 | inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance |
|---|
| 463 | this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) |
|---|
| 464 | if(this.shouldRevert) this.instance.options.revert = true; //revert here |
|---|
| 465 | this.instance.mouseStop(e); |
|---|
| 466 | |
|---|
| 467 | //Also propagate receive event, since the sortable is actually receiving a element |
|---|
| 468 | this.instance.element.triggerHandler("sortreceive", [e, $.extend(this.instance.ui(), { sender: inst.element })], this.instance.options["receive"]); |
|---|
| 469 | |
|---|
| 470 | this.instance.options.helper = this.instance.options._helper; |
|---|
| 471 | } else { |
|---|
| 472 | this.instance.propagate("deactivate", e, inst); |
|---|
| 473 | } |
|---|
| 474 | |
|---|
| 475 | }); |
|---|
| 476 | |
|---|
| 477 | }, |
|---|
| 478 | drag: function(e,ui) { |
|---|
| 479 | |
|---|
| 480 | var inst = $(this).data("draggable"), self = this; |
|---|
| 481 | |
|---|
| 482 | var checkPos = function(o) { |
|---|
| 483 | |
|---|
| 484 | var l = o.left, r = l + o.width, |
|---|
| 485 | t = o.top, b = t + o.height; |
|---|
| 486 | |
|---|
| 487 | return (l < (this.positionAbs.left + this.offset.click.left) && (this.positionAbs.left + this.offset.click.left) < r |
|---|
| 488 | && t < (this.positionAbs.top + this.offset.click.top) && (this.positionAbs.top + this.offset.click.top) < b); |
|---|
| 489 | }; |
|---|
| 490 | |
|---|
| 491 | $.each(inst.sortables, function(i) { |
|---|
| 492 | |
|---|
| 493 | if(checkPos.call(inst, this.instance.containerCache)) { |
|---|
| 494 | |
|---|
| 495 | //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once |
|---|
| 496 | if(!this.instance.isOver) { |
|---|
| 497 | this.instance.isOver = 1; |
|---|
| 498 | |
|---|
| 499 | //Now we fake the start of dragging for the sortable instance, |
|---|
| 500 | //by cloning the list group item, appending it to the sortable and using it as inst.currentItem |
|---|
| 501 | //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) |
|---|
| 502 | this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); |
|---|
| 503 | this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it |
|---|
| 504 | this.instance.options.helper = function() { return ui.helper[0]; }; |
|---|
| 505 | |
|---|
| 506 | e.target = this.instance.currentItem[0]; |
|---|
| 507 | this.instance.mouseCapture(e, true); |
|---|
| 508 | this.instance.mouseStart(e, true, true); |
|---|
| 509 | |
|---|
| 510 | //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes |
|---|
| 511 | this.instance.offset.click.top = inst.offset.click.top; |
|---|
| 512 | this.instance.offset.click.left = inst.offset.click.left; |
|---|
| 513 | this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; |
|---|
| 514 | this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; |
|---|
| 515 | |
|---|
| 516 | inst.propagate("toSortable", e); |
|---|
| 517 | |
|---|
| 518 | } |
|---|
| 519 | |
|---|
| 520 | //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 |
|---|
| 521 | if(this.instance.currentItem) this.instance.mouseDrag(e); |
|---|
| 522 | |
|---|
| 523 | } else { |
|---|
| 524 | |
|---|
| 525 | //If it doesn't intersect with the sortable, and it intersected before, |
|---|
| 526 | //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval |
|---|
| 527 | if(this.instance.isOver) { |
|---|
| 528 | this.instance.isOver = 0; |
|---|
| 529 | this.instance.cancelHelperRemoval = true; |
|---|
| 530 | this.instance.options.revert = false; //No revert here |
|---|
| 531 | this.instance.mouseStop(e, true); |
|---|
| 532 | this.instance.options.helper = this.instance.options._helper; |
|---|
| 533 | |
|---|
| 534 | //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size |
|---|
| 535 | this.instance.currentItem.remove(); |
|---|
| 536 | if(this.instance.placeholder) this.instance.placeholder.remove(); |
|---|
| 537 | |
|---|
| 538 | inst.propagate("fromSortable", e); |
|---|
| 539 | } |
|---|
| 540 | |
|---|
| 541 | }; |
|---|
| 542 | |
|---|
| 543 | }); |
|---|
| 544 | |
|---|
| 545 | } |
|---|
| 546 | }); |
|---|
| 547 | |
|---|
| 548 | $.ui.plugin.add("draggable", "stack", { |
|---|
| 549 | start: function(e,ui) { |
|---|
| 550 | var group = $.makeArray($(ui.options.stack.group)).sort(function(a,b) { |
|---|
| 551 | return (parseInt($(a).css("zIndex"),10) || ui.options.stack.min) - (parseInt($(b).css("zIndex"),10) || ui.options.stack.min); |
|---|
| 552 | }); |
|---|
| 553 | |
|---|
| 554 | $(group).each(function(i) { |
|---|
| 555 | this.style.zIndex = ui.options.stack.min + i; |
|---|
| 556 | }); |
|---|
| 557 | |
|---|
| 558 | this[0].style.zIndex = ui.options.stack.min + group.length; |
|---|
| 559 | } |
|---|
| 560 | }); |
|---|
| 561 | |
|---|
| 562 | })(jQuery); |
|---|
