diff options
Diffstat (limited to 'ui/jquery.ui.droppable.js')
| -rw-r--r-- | ui/jquery.ui.droppable.js | 206 |
1 files changed, 135 insertions, 71 deletions
diff --git a/ui/jquery.ui.droppable.js b/ui/jquery.ui.droppable.js index f27d56b85..9d904992d 100644 --- a/ui/jquery.ui.droppable.js +++ b/ui/jquery.ui.droppable.js @@ -16,7 +16,6 @@ */ (function( $, undefined ) { -/*jshint onevar: false, curly: false, eqeqeq: false, laxbreak: true */ $.widget("ui.droppable", { version: "@VERSION", widgetEventPrefix: "drop", @@ -31,8 +30,11 @@ $.widget("ui.droppable", { }, _create: function() { - var o = this.options, accept = o.accept; - this.isover = 0; this.isout = 1; + var o = this.options, + accept = o.accept; + + this.isover = false; + this.isout = true; this.accept = $.isFunction(accept) ? accept : function(d) { return d.is(accept); @@ -50,17 +52,21 @@ $.widget("ui.droppable", { }, _destroy: function() { - var drop = $.ui.ddmanager.droppables[this.options.scope]; - for ( var i = 0; i < drop.length; i++ ) - if ( drop[i] == this ) + var i = 0, + drop = $.ui.ddmanager.droppables[this.options.scope]; + + for ( ; i < drop.length; i++ ) { + if ( drop[i] === this ) { drop.splice(i, 1); + } + } this.element.removeClass("ui-droppable ui-droppable-disabled"); }, _setOption: function(key, value) { - if(key == 'accept') { + if(key === 'accept') { this.accept = $.isFunction(value) ? value : function(d) { return d.is(value); }; @@ -70,23 +76,37 @@ $.widget("ui.droppable", { _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))); + if(this.options.activeClass) { + this.element.addClass(this.options.activeClass); + } + if(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))); + if(this.options.activeClass) { + this.element.removeClass(this.options.activeClass); + } + if(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 + + // Bail if draggable and droppable are same element + if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) { + return; + } if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { - if(this.options.hoverClass) this.element.addClass(this.options.hoverClass); + if(this.options.hoverClass) { + this.element.addClass(this.options.hoverClass); + } this._trigger('over', event, this.ui(draggable)); } @@ -95,10 +115,16 @@ $.widget("ui.droppable", { _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 + + // Bail if draggable and droppable are same element + if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) { + return; + } if (this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { - if(this.options.hoverClass) this.element.removeClass(this.options.hoverClass); + if(this.options.hoverClass) { + this.element.removeClass(this.options.hoverClass); + } this._trigger('out', event, this.ui(draggable)); } @@ -106,25 +132,35 @@ $.widget("ui.droppable", { _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 draggable = custom || $.ui.ddmanager.current, + childrenIntersection = false; + + // Bail if draggable and droppable are same element + if (!draggable || (draggable.currentItem || draggable.element)[0] === this.element[0]) { + return false; + } - var childrenIntersection = false; this.element.find(":data(ui-droppable)").not(".ui-draggable-dragging").each(function() { var inst = $.data(this, 'ui-droppable'); if( - inst.options.greedy - && !inst.options.disabled - && inst.options.scope == draggable.options.scope - && inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element)) - && $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance) + inst.options.greedy && + !inst.options.disabled && + inst.options.scope === draggable.options.scope && + inst.accept.call(inst.element[0], (draggable.currentItem || draggable.element)) && + $.ui.intersect(draggable, $.extend(inst, { offset: inst.element.offset() }), inst.options.tolerance) ) { childrenIntersection = true; return false; } }); - if(childrenIntersection) return false; + if(childrenIntersection) { + return false; + } if(this.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); + 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; } @@ -146,27 +182,28 @@ $.widget("ui.droppable", { $.ui.intersect = function(draggable, droppable, toleranceMode) { - if (!droppable.offset) return false; + 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, + var draggableLeft, draggableTop, + x1 = (draggable.positionAbs || draggable.position.absolute).left, x2 = x1 + draggable.helperProportions.width, + y1 = (draggable.positionAbs || draggable.position.absolute).top, y2 = y1 + draggable.helperProportions.height, + 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); + return (l <= x1 && x2 <= r && t <= y1 && y2 <= b); 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 + 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 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; + 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); + return $.ui.isOver(draggableTop, draggableLeft, t, l, droppable.proportions.height, droppable.proportions.width); case 'touch': return ( (y1 >= t && y1 <= b) || // Top edge touching @@ -191,23 +228,35 @@ $.ui.ddmanager = { 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(ui-droppable)").andSelf(); + var i, j, + m = $.ui.ddmanager.droppables[t.options.scope] || [], + type = event ? event.type : null, // workaround for #2317 + list = (t.currentItem || t.element).find(":data(ui-droppable)").andSelf(); - droppablesLoop: for (var i = 0; i < m.length; i++) { + droppablesLoop: for (i = 0; i < m.length; i++) { + + //No disabled and non-accepted + if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) { + continue; + } - if(m[i].options.disabled || (t && !m[i].accept.call(m[i].element[0],(t.currentItem || t.element)))) continue; //No disabled and non-accepted // Filter out elements in the current dragged item - for (var j=0; j < list.length; j++) { - if(list[j] == m[i].element[0]) { + for (j=0; j < list.length; j++) { + if(list[j] === m[i].element[0]) { m[i].proportions.height = 0; continue droppablesLoop; } } - m[i].visible = m[i].element.css("display") != "none"; if(!m[i].visible) continue; //If the element is not visible, continue - if(type == "mousedown") m[i]._activate.call(m[i], event); //Activate the droppable if used directly from draggables + m[i].visible = m[i].element.css("display") !== "none"; + if(!m[i].visible) { + continue; + } + + //Activate the droppable if used directly from draggables + if(type === "mousedown") { + m[i]._activate.call(m[i], event); + } m[i].offset = m[i].element.offset(); m[i].proportions = { width: m[i].element[0].offsetWidth, height: m[i].element[0].offsetHeight }; @@ -220,12 +269,16 @@ $.ui.ddmanager = { 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)) + if(!this.options) { + return; + } + if (!this.options.disabled && this.visible && $.ui.intersect(draggable, this, this.options.tolerance)) { dropped = this._drop.call(this, event) || dropped; + } if (!this.options.disabled && this.visible && this.accept.call(this.element[0],(draggable.currentItem || draggable.element))) { - this.isout = 1; this.isover = 0; + this.isout = true; + this.isover = false; this._deactivate.call(this, event); } @@ -236,51 +289,60 @@ $.ui.ddmanager = { dragStart: function( draggable, event ) { //Listen for scrolling so that if the dragging causes scrolling the position of the droppables can be recalculated (see #5003) draggable.element.parentsUntil( "body" ).bind( "scroll.droppable", function() { - if( !draggable.options.refreshPositions ) $.ui.ddmanager.prepareOffsets( draggable, event ); + if( !draggable.options.refreshPositions ) { + $.ui.ddmanager.prepareOffsets( draggable, event ); + } }); }, 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); + 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); + if(this.options.disabled || this.greedyChild || !this.visible) { + return; + } - var c = !intersects && this.isover == 1 ? 'isout' : (intersects && this.isover === 0 ? 'isover' : null); - if(!c) return; + var parentInstance, scope, parent, + intersects = $.ui.intersect(draggable, this, this.options.tolerance), + c = !intersects && this.isover ? 'isout' : (intersects && !this.isover ? 'isover' : null); + if(!c) { + return; + } - var parentInstance; if (this.options.greedy) { // find droppable parents with same scope - var scope = this.options.scope; - var parent = this.element.parents(':data(ui-droppable)').filter(function () { + scope = this.options.scope; + parent = this.element.parents(':data(ui-droppable)').filter(function () { return $.data(this, 'ui-droppable').options.scope === scope; }); if (parent.length) { parentInstance = $.data(parent[0], 'ui-droppable'); - parentInstance.greedyChild = (c == 'isover' ? 1 : 0); + parentInstance.greedyChild = (c === 'isover'); } } // we just moved into a greedy child - if (parentInstance && c == 'isover') { - parentInstance.isover = 0; - parentInstance.isout = 1; + if (parentInstance && c === 'isover') { + parentInstance.isover = false; + parentInstance.isout = true; parentInstance._out.call(parentInstance, event); } - this[c] = 1; this[c == 'isout' ? 'isover' : 'isout'] = 0; - this[c == "isover" ? "_over" : "_out"].call(this, event); + this[c] = true; + this[c === 'isout' ? 'isover' : 'isout'] = false; + 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; + if (parentInstance && c === 'isout') { + parentInstance.isout = false; + parentInstance.isover = true; parentInstance._over.call(parentInstance, event); } }); @@ -289,7 +351,9 @@ $.ui.ddmanager = { dragStop: function( draggable, event ) { draggable.element.parentsUntil( "body" ).unbind( "scroll.droppable" ); //Call prepareOffsets one final time since IE does not fire return scroll events when overflow was caused by drag (see #5003) - if( !draggable.options.refreshPositions ) $.ui.ddmanager.prepareOffsets( draggable, event ); + if( !draggable.options.refreshPositions ) { + $.ui.ddmanager.prepareOffsets( draggable, event ); + } } }; |