diff options
Diffstat (limited to 'sdnr/wt/devicemanager/provider/src/test/resources/elasticsearch/plugins/head/src/app/ux/dragdrop.js')
-rw-r--r-- | sdnr/wt/devicemanager/provider/src/test/resources/elasticsearch/plugins/head/src/app/ux/dragdrop.js | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/sdnr/wt/devicemanager/provider/src/test/resources/elasticsearch/plugins/head/src/app/ux/dragdrop.js b/sdnr/wt/devicemanager/provider/src/test/resources/elasticsearch/plugins/head/src/app/ux/dragdrop.js new file mode 100644 index 000000000..17ca9be1f --- /dev/null +++ b/sdnr/wt/devicemanager/provider/src/test/resources/elasticsearch/plugins/head/src/app/ux/dragdrop.js @@ -0,0 +1,124 @@ +(function( $, app ) { + + var ux = app.ns("ux"); + + /** + * Provides drag and drop functionality<br> + * a DragDrop instance is created for each usage pattern and then used over and over again<br> + * first a dragObj is defined - this is the jquery node that will be dragged around<br> + * second, the event callbacks are defined - these allow you control the ui during dragging and run functions when successfully dropping<br> + * thirdly drop targets are defined - this is a list of DOM nodes, the constructor works in one of two modes: + * <li>without targets - objects can be picked up and dragged around, dragStart and dragStop events fire</li> + * <li>with targets - as objects are dragged over targets dragOver, dragOut and DragDrop events fire + * to start dragging call the DragDrop.pickup_handler() function, dragging stops when the mouse is released. + * @constructor + * The following options are supported + * <dt>targetSelector</dt> + * <dd>an argument passed directly to jquery to create a list of targets, as such it can be a CSS style selector, or an array of DOM nodes<br>if target selector is null the DragDrop does Drag only and will not fire dragOver dragOut and dragDrop events</dd> + * <dt>pickupSelector</dt> + * <dd>a jquery selector. The pickup_handler is automatically bound to matched elements (eg clicking on these elements starts the drag). if pickupSelector is null, the pickup_handler must be manually bound <code>$(el).bind("mousedown", dragdrop.pickup_handler)</code></dd> + * <dt>dragObj</dt> + * <dd>the jQuery element to drag around when pickup is called. If not defined, dragObj must be set in onDragStart</dd> + * <dt>draggingClass</dt> + * <dd>the class(es) added to items when they are being dragged</dd> + * The following observables are supported + * <dt>dragStart</dt> + * <dd>a callback when start to drag<br><code>function(jEv)</code></dd> + * <dt>dragOver</dt> + * <dd>a callback when we drag into a target<br><code>function(jEl)</code></dd> + * <dt>dragOut</dt> + * <dd>a callback when we drag out of a target, or when we drop over a target<br><code>function(jEl)</code></dd> + * <dt>dragDrop</dt> + * <dd>a callback when we drop on a target<br><code>function(jEl)</code></dd> + * <dt>dragStop</dt> + * <dd>a callback when we stop dragging<br><code>function(jEv)</code></dd> + */ + ux.DragDrop = ux.Observable.extend({ + defaults : { + targetsSelector : null, + pickupSelector: null, + dragObj : null, + draggingClass : "dragging" + }, + + init: function(options) { + this._super(); // call the class initialiser + + this.drag_handler = this.drag.bind(this); + this.drop_handler = this.drop.bind(this); + this.pickup_handler = this.pickup.bind(this); + this.targets = []; + this.dragObj = null; + this.dragObjOffset = null; + this.currentTarget = null; + if(this.config.pickupSelector) { + $(this.config.pickupSelector).bind("mousedown", this.pickup_handler); + } + }, + + drag : function(jEv) { + jEv.preventDefault(); + var mloc = acx.vector( this.lockX || jEv.pageX, this.lockY || jEv.pageY ); + this.dragObj.css(mloc.add(this.dragObjOffset).asOffset()); + if(this.targets.length === 0) { + return; + } + if(this.currentTarget !== null && mloc.within(this.currentTarget[1], this.currentTarget[2])) { + return; + } + if(this.currentTarget !== null) { + this.fire('dragOut', this.currentTarget[0]); + this.currentTarget = null; + } + for(var i = 0; i < this.targets.length; i++) { + if(mloc.within(this.targets[i][1], this.targets[i][2])) { + this.currentTarget = this.targets[i]; + break; + } + } + if(this.currentTarget !== null) { + this.fire('dragOver', this.currentTarget[0]); + } + }, + + drop : function(jEv) { + $(document).unbind("mousemove", this.drag_handler); + $(document).unbind("mouseup", this.drop_handler); + this.dragObj.removeClass(this.config.draggingClass); + if(this.currentTarget !== null) { + this.fire('dragOut', this.currentTarget[0]); + this.fire('dragDrop', this.currentTarget[0]); + } + this.fire('dragStop', jEv); + this.dragObj = null; + }, + + pickup : function(jEv, opts) { + $.extend(this.config, opts); + this.fire('dragStart', jEv); + this.dragObj = this.dragObj || this.config.dragObj; + this.dragObjOffset = this.config.dragObjOffset || acx.vector(this.dragObj.offset()).sub(jEv.pageX, jEv.pageY); + this.lockX = this.config.lockX ? jEv.pageX : 0; + this.lockY = this.config.lockY ? jEv.pageY : 0; + this.dragObj.addClass(this.config.draggingClass); + if(!this.dragObj.get(0).parentNode || this.dragObj.get(0).parentNode.nodeType === 11) { // 11 = document fragment + $(document.body).append(this.dragObj); + } + if(this.config.targetsSelector) { + this.currentTarget = null; + var targets = ( this.targets = [] ); + // create an array of elements optimised for rapid collision detection calculation + $(this.config.targetsSelector).each(function(i, el) { + var jEl = $(el); + var tl = acx.vector(jEl.offset()); + var br = tl.add(jEl.width(), jEl.height()); + targets.push([jEl, tl, br]); + }); + } + $(document).bind("mousemove", this.drag_handler); + $(document).bind("mouseup", this.drop_handler); + this.drag_handler(jEv); + } + }); + +})( this.jQuery, this.app ); |