diff options
Diffstat (limited to 'template-common/lib/ui/ui.droppable.js')
| -rw-r--r-- | template-common/lib/ui/ui.droppable.js | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/template-common/lib/ui/ui.droppable.js b/template-common/lib/ui/ui.droppable.js new file mode 100644 index 000000000..6d3e159fa --- /dev/null +++ b/template-common/lib/ui/ui.droppable.js @@ -0,0 +1,281 @@ +/* + * jQuery UI Droppable + * + * Copyright (c) 2008 Paul Bakaus + * 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() { + + this.element.addClass("ui-droppable"); + this.isover = 0; this.isout = 1; + + //Prepare the passed options + var o = this.options, accept = o.accept; + o = $.extend(o, { + accept: o.accept && o.accept.constructor == Function ? o.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.push(this); + + }, + plugins: {}, + ui: function(c) { + return { + draggable: (c.currentItem || c.element), + helper: c.helper, + position: c.position, + absolutePosition: c.positionAbs, + options: this.options, + element: this.element + }; + }, + destroy: function() { + var drop = $.ui.ddmanager.droppables; + 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"); + }, + over: function(e) { + + 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,(draggable.currentItem || draggable.element))) { + $.ui.plugin.call(this, 'over', [e, this.ui(draggable)]); + this.element.triggerHandler("dropover", [e, this.ui(draggable)], this.options.over); + } + + }, + out: function(e) { + + 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,(draggable.currentItem || draggable.element))) { + $.ui.plugin.call(this, 'out', [e, this.ui(draggable)]); + this.element.triggerHandler("dropout", [e, this.ui(draggable)], this.options.out); + } + + }, + drop: function(e,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(".ui-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,(draggable.currentItem || draggable.element))) { + $.ui.plugin.call(this, 'drop', [e, this.ui(draggable)]); + this.element.triggerHandler("drop", [e, this.ui(draggable)], this.options.drop); + return true; + } + + return false; + + }, + activate: function(e) { + + var draggable = $.ui.ddmanager.current; + $.ui.plugin.call(this, 'activate', [e, this.ui(draggable)]); + if(draggable) this.element.triggerHandler("dropactivate", [e, this.ui(draggable)], this.options.activate); + + }, + deactivate: function(e) { + + var draggable = $.ui.ddmanager.current; + $.ui.plugin.call(this, 'deactivate', [e, this.ui(draggable)]); + if(draggable) this.element.triggerHandler("dropdeactivate", [e, this.ui(draggable)], this.options.deactivate); + + } +}); + +$.extend($.ui.droppable, { + defaults: { + disabled: false, + tolerance: 'intersect' + } +}); + +$.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': + return (l < ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left) && ((draggable.positionAbs || draggable.position.absolute).left + (draggable.clickOffset || draggable.offset.click).left) < r + && t < ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top) && ((draggable.positionAbs || draggable.position.absolute).top + (draggable.clickOffset || draggable.offset.click).top) < b); + 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: [], + prepareOffsets: function(t, e) { + + var m = $.ui.ddmanager.droppables; + var type = e ? e.type : null; // workaround for #2317 + + for (var i = 0; i < m.length; i++) { + if(m[i].options.disabled || (t && !m[i].options.accept.call(m[i].element,(t.currentItem || t.element)))) continue; + 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 == "dragstart" || type == "sortactivate") m[i].activate.call(m[i], e); //Activate the droppable if used directly from draggables + } + + }, + drop: function(draggable, e) { + + var dropped = false; + $.each($.ui.ddmanager.droppables, function() { + + if(!this.options) return; + if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance)) + dropped = this.drop.call(this, e); + + if (!this.options.disabled && this.visible && this.options.accept.call(this.element,(draggable.currentItem || draggable.element))) { + this.isout = 1; this.isover = 0; + this.deactivate.call(this, e); + } + + }); + return dropped; + + }, + drag: function(draggable, e) { + + //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, e); + + //Run through all droppables and check their positions based on specific tolerance options + + $.each($.ui.ddmanager.droppables, 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('.ui-droppable:eq(0)'); + if (parent.length) { + parentInstance = $.data(parent[0], 'droppable'); + parentInstance.greedyChild = (c == 'isover' ? 1 : 0); + } + } + + // we just moved into a greedy child + if (parentInstance && c == 'isover') { + parentInstance['isover'] = 0; + parentInstance['isout'] = 1; + parentInstance.out.call(parentInstance, e); + } + + this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0; + this[c == "isover" ? "over" : "out"].call(this, e); + + // we just moved out of a greedy child + if (parentInstance && c == 'isout') { + parentInstance['isout'] = 0; + parentInstance['isover'] = 1; + parentInstance.over.call(parentInstance, e); + } + }); + + } +}; + +/* + * Droppable Extensions + */ + +$.ui.plugin.add("droppable", "activeClass", { + activate: function(e, ui) { + $(this).addClass(ui.options.activeClass); + }, + deactivate: function(e, ui) { + $(this).removeClass(ui.options.activeClass); + }, + drop: function(e, ui) { + $(this).removeClass(ui.options.activeClass); + } +}); + +$.ui.plugin.add("droppable", "hoverClass", { + over: function(e, ui) { + $(this).addClass(ui.options.hoverClass); + }, + out: function(e, ui) { + $(this).removeClass(ui.options.hoverClass); + }, + drop: function(e, ui) { + $(this).removeClass(ui.options.hoverClass); + } +}); + +})(jQuery); |