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2 lines
1.8 KiB
JavaScript
2 lines
1.8 KiB
JavaScript
Kinetic.DD={anim:new Kinetic.Animation,moving:!1,offset:{x:0,y:0}},Kinetic.DD._startDrag=function(a){var b=Kinetic.DD,c=b.node;if(c){var d=c.getStage().getUserPosition(),e=c.attrs.dragBoundFunc,f={x:d.x-b.offset.x,y:d.y-b.offset.y};e!==undefined&&(f=e.call(c,f,a)),c.setAbsolutePosition(f),b.moving||(b.moving=!0,b.node._handleEvent("dragstart",a)),b.node._handleEvent("dragmove",a)}},Kinetic.DD._endDrag=function(a){var b=Kinetic.DD,c=b.node;c&&(c.nodeType==="Stage"?c.draw():c.getLayer().draw(),b.moving&&(b.moving=!1,c._handleEvent("dragend",a))),b.node=null,b.anim.stop()},Kinetic.Node.prototype.setDraggable=function(a){this.setAttr("draggable",a),this._dragChange()},Kinetic.Node.prototype.getDraggable=function(){return this.attrs.draggable},Kinetic.Node.prototype.isDragging=function(){var a=Kinetic.DD;return a.node&&a.node._id===this._id&&a.moving},Kinetic.Node.prototype._listenDrag=function(){this._dragCleanup();var a=this;this.on("mousedown.kinetic touchstart.kinetic",function(b){a._initDrag()})},Kinetic.Node.prototype._initDrag=function(){var a=Kinetic.DD,b=this.getStage(),c=b.getUserPosition();if(c){var d=this.getTransform().getTranslation(),e=this.getAbsoluteTransform().getTranslation(),f=this.getAbsolutePosition();a.node=this,a.offset.x=c.x-f.x,a.offset.y=c.y-f.y,this.nodeType==="Stage"?a.anim.node=this:a.anim.node=this.getLayer(),a.anim.start()}},Kinetic.Node.prototype._dragChange=function(){if(this.attrs.draggable)this._listenDrag();else{this._dragCleanup();var a=this.getStage(),b=Kinetic.DD;a&&b.node&&b.node._id===this._id&&b._endDrag()}},Kinetic.Node.prototype._dragCleanup=function(){this.off("mousedown.kinetic"),this.off("touchstart.kinetic")},Kinetic.Node.prototype.isDraggable=Kinetic.Node.prototype.getDraggable,Kinetic.Node.addGettersSetters(Kinetic.Node,["dragBoundFunc"]);
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