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Diffstat (limited to 'themes/default/js/ui/ui.droppable.js')
| -rw-r--r-- | themes/default/js/ui/ui.droppable.js | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/themes/default/js/ui/ui.droppable.js b/themes/default/js/ui/ui.droppable.js new file mode 100644 index 000000000..8e7be33c5 --- /dev/null +++ b/themes/default/js/ui/ui.droppable.js @@ -0,0 +1,282 @@ +/* + * jQuery UI Droppable 1.7.2 + * + * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about) + * Dual licensed under the MIT (MIT-LICENSE.txt) + * and GPL (GPL-LICENSE.txt) licenses. + * + * http://docs.jquery.com/UI/Droppables + * + * Depends: + * ui.core.js + * ui.draggable.js + */ +(function($) { + +$.widget("ui.droppable", { + + _init: function() { + + var o = this.options, accept = o.accept; + this.isover = 0; this.isout = 1; + + this.options.accept = this.options.accept && $.isFunction(this.options.accept) ? this.options.accept : function(d) { + return d.is(accept); + }; + + //Store the droppable's proportions + this.proportions = { width: this.element[0].offsetWidth, height: this.element[0].offsetHeight }; + + // Add the reference and positions to the manager + $.ui.ddmanager.droppables[this.options.scope] = $.ui.ddmanager.droppables[this.options.scope] || []; + $.ui.ddmanager.droppables[this.options.scope].push(this); + + (this.options.addClasses && this.element.addClass("ui-droppable")); + + }, + + destroy: function() { + var drop = $.ui.ddmanager.droppables[this.options.scope]; + for ( var i = 0; i < drop.length; i++ ) + if ( drop[i] == this ) + drop.splice(i, 1); + + this.element + .removeClass("ui-droppable ui-droppable-disabled") + .removeData("droppable") + .unbind(".droppable"); + }, + + _setData: function(key, value) { + + if(key == 'accept') { + this.options.accept = value && $.isFunction(value) ? value : function(d) { + return d.is(value); + }; + } else { + $.widget.prototype._setData.apply(this, arguments); + } + + }, + + _activate: function(event) { + var draggable = $.ui.ddmanager.current; + if(this.options.activeClass) this.element.addClass(this.options.activeClass); + (draggable && this._trigger('activate', event, this.ui(draggable))); + }, + + _deactivate: function(event) { + var draggable = $.ui.ddmanager.current; + if(this.options.activeClass) this.element.removeClass(this.options.activeClass); + (draggable && this._trigger('deactivate', event, this.ui(draggable))); + }, + + _over: function(event) { + + var draggable = $.ui.ddmanager.current; + if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element + + if (this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { + if(this.options.hoverClass) this.element.addClass(this.options.hoverClass); + this._trigger('over', event, this.ui(draggable)); + } + + }, + + _out: function(event) { + + var draggable = $.ui.ddmanager.current; + if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element + + if (this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { + if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass); + this._trigger('out', event, this.ui(draggable)); + } + + }, + + _drop: function(event,custom) { + + var draggable = custom || $.ui.ddmanager.current; + if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return false; // Bail if draggable and droppable are same element + + var childrenIntersection = false; + this.element.find(":data(droppable)").not(".ui-draggable-dragging").each(function() { + var inst = $.data(this, 'droppable'); + if(inst.options.greedy && $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance)) { + childrenIntersection = true; return false; + } + }); + if(childrenIntersection) return false; + + if(this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { + if(this.options.activeClass) this.element.removeClass(this.options.activeClass); + if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass); + this._trigger('drop', event, this.ui(draggable)); + return this.element; + } + + return false; + + }, + + ui: function(c) { + return { + draggable: (c.currentItem || c.element), + helper: c.helper, + position: c.position, + absolutePosition: c.positionAbs, //deprecated + offset: c.positionAbs + }; + } + +}); + +$.extend($.ui.droppable, { + version: "1.7.2", + eventPrefix: 'drop', + defaults: { + accept: '*', + activeClass: false, + addClasses: true, + greedy: false, + hoverClass: false, + scope: 'default', + tolerance: 'intersect' + } +}); + +$.ui.intersect = function(draggable, droppable, toleranceMode) { + + if (!droppable.offset) return false; + + var x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width, + y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height; + var l = droppable.offset.left, r = l + droppable.proportions.width, + t = droppable.offset.top, b = t + droppable.proportions.height; + + switch (toleranceMode) { + case 'fit': + return (l < x1 && x2 < r + && t < y1 && y2 < b); + break; + case 'intersect': + return (l < x1 + (draggable.helperProportions.width / 2) // Right Half + && x2 - (draggable.helperProportions.width / 2) < r // Left Half + && t < y1 + (draggable.helperProportions.height / 2) // Bottom Half + && y2 - (draggable.helperProportions.height / 2) < b ); // Top Half + break; + case 'pointer': + var draggableLeft = ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left), + draggableTop = ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top), + isOver = $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width); + return isOver; + break; + case 'touch': + return ( + (y1 >= t && y1 <= b) || // Top edge touching + (y2 >= t && y2 <= b) || // Bottom edge touching + (y1 < t && y2 > b) // Surrounded vertically + ) && ( + (x1 >= l && x1 <= r) || // Left edge touching + (x2 >= l && x2 <= r) || // Right edge touching + (x1 < l && x2 > r) // Surrounded horizontally + ); + break; + default: + return false; + break; + } + +}; + +/* + This manager tracks offsets of draggables and droppables +*/ +$.ui.ddmanager = { + current: null, + droppables: { 'default': [] }, + prepareOffsets: function(t, event) { + + var m = $.ui.ddmanager.droppables[t.options.scope]; + var type = event ? event.type : null; // workaround for #2317 + var list = (t.currentItem || t.element).find(":data(droppable)").andSelf(); + + droppablesLoop: for (var i = 0; i < m.length; i++) { + + if(m[i].options.disabled || (t && !m[i].options.accept.call(m[i].element[0],(t.currentItem || t.element)))) continue; //No disabled and non-accepted + for (var j=0; j < list.length; j++) { if(list[j] == m[i].element[0]) { m[i].proportions.height = 0; continue droppablesLoop; } }; //Filter out elements in the current dragged item + m[i].visible = m[i].element.css("display") != "none"; if(!m[i].visible) continue; //If the element is not visible, continue + + m[i].offset = m[i].element.offset(); + m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight }; + + if(type == "mousedown") m[i]._activate.call(m[i], event); //Activate the droppable if used directly from draggables + + } + + }, + drop: function(draggable, event) { + + var dropped = false; + $.each($.ui.ddmanager.droppables[draggable.options.scope], function() { + + if(!this.options) return; + if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance)) + dropped = this._drop.call(this, event); + + if (!this.options.disabled && this.visible && this.options.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { + this.isout = 1; this.isover = 0; + this._deactivate.call(this, event); + } + + }); + return dropped; + + }, + drag: function(draggable, event) { + + //If you have a highly dynamic page, you might try this option. It renders positions every time you move the mouse. + if(draggable.options.refreshPositions) $.ui.ddmanager.prepareOffsets(draggable, event); + + //Run through all droppables and check their positions based on specific tolerance options + + $.each($.ui.ddmanager.droppables[draggable.options.scope], function() { + + if(this.options.disabled || this.greedyChild || !this.visible) return; + var intersects = $.ui.intersect(draggable, this, this.options.tolerance); + + var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover == 0 ? 'isover' : null); + if(!c) return; + + var parentInstance; + if (this.options.greedy) { + var parent = this.element.parents(':data(droppable):eq(0)'); + if (parent.length) { + parentInstance = $.data(parent[0], 'droppable'); + parentInstance.greedyChild = (c == 'isover' ? 1 : 0); + } + } + + // we just moved into a greedy child + if (parentInstance && c == 'isover') { + parentInstance['isover'] = 0; + parentInstance['isout'] = 1; + parentInstance._out.call(parentInstance, event); + } + + this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0; + this[c == "isover" ? "_over" : "_out"].call(this, event); + + // we just moved out of a greedy child + if (parentInstance && c == 'isout') { + parentInstance['isout'] = 0; + parentInstance['isover'] = 1; + parentInstance._over.call(parentInstance, event); + } + }); + + } +}; + +})(jQuery); |