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4.1 KiB
1 line
4.1 KiB
(function(a){var b=a.telerik,m=function(){},e={},g={},c={},i={owner:[null]},l=b.isTouch?"touchend":"mouseup",j=b.isTouch?"touchstart":"mousedown",k=b.isTouch?"touchmove":"mousemove",f={scope:"default",drop:m,over:m,out:m,owner:document.body},d={distance:5,cursorAt:{left:10,top:b.isTouch?-40/b.zoomLevel():10},scope:"default",start:m,drag:m,stop:m,destroy:m,owner:document.body,cue:function(){return a("<span />")}};b.scripts.push("telerik.draganddrop.js");function n(p){var q=0,o;for(o in p){p.hasOwnProperty(o)&&q++}return q}function h(o,q){var p={owner:[null]};a.each(q,function(){var s=this,r=s.owner;if(r&&a.contains(r,o)){p=a.extend(p,s);p.selector&&(p.owner=a(o).closest(p.selector)[0]);return false}});return p}b.droppable=function(o){a.extend(this,f,o);a(this.owner).delegate(this.selector,"mouseenter",a.proxy(this._over,this)).delegate(this.selector,l,a.proxy(this._drop,this)).delegate(this.selector,"mouseleave",a.proxy(this._out,this));if(!(this.scope in g)){g[this.scope]=[this]}else{g[this.scope].push(this)}};b.droppable.prototype={_over:function(o){this._raise(o,this.over)},_out:function(o){this._raise(o,this.out)},_drop:function(o){this._raise(o,a.proxy(function(p){this.drop(p);p.destroy(p)},this))},_raise:function(q,o){var p=e[this.scope],r=a(b.eventCurrentTarget(q)).closest(this.selector);if(p){o(a.extend(q,p,{$droppable:r}))}}};b.dragCue=function(o){return a('<div class="t-header t-drag-clue" />').html(o).prepend('<span class="t-icon t-drag-status t-denied" />').appendTo(document.body)};b.dragCueStatus=function(o,p){o.find(".t-drag-status").attr("class","t-icon t-drag-status").addClass(p)};b.draggable=function(o){a.extend(this,d,o);a(this.owner).delegate(this.selector,j,a.proxy(this._wait,this)).delegate(this.selector,"dragstart",b.preventDefault);this._startProxy=a.proxy(this._start,this);this._destroyProxy=a.proxy(this._destroy,this);this._stopProxy=a.proxy(this._stop,this);this._dragProxy=a.proxy(this._drag,this)};b.draggable.get=function(o){return e[o]};b.draggable.prototype={_raise:function(q,o){var p=e[this.scope];if(p){return o(a.extend(q,p))}},_startDrag:function(q,p){q=a(q);this.$target=q;if(p){this._startPosition=p}else{var o=q.offset();this._startPosition={x:o.left,y:o.top}}a(document).bind(k+"."+this.scope,this._startProxy).bind(l+"."+this.scope,this._destroyProxy)},_wait:function(o){if(b.isTouch){o.stopImmediatePropagation()}this._startDrag(o.currentTarget,b.touchLocation(o));a(document.documentElement).trigger(j,o);if(!b.isTouch){return false}},_start:function(q){var r=b.touchLocation(q),s=this._startPosition.x-r.x,t=this._startPosition.y-r.y;var p=Math.sqrt((s*s)+(t*t));if(p>=this.distance){if(b.isTouch){q.stopImmediatePropagation();q.preventDefault()}var o=c[this.selector];if(!o){o=c[this.selector]=this.cue({$draggable:this.$target})}a(document).unbind("."+this.scope).bind(k+"."+this.scope,this._dragProxy).bind(l+"."+this.scope,this._stopProxy).bind("keydown."+this.scope,this._stopProxy).bind("selectstart."+this.scope,false);e[this.scope]={$cue:o.css({position:"absolute",left:r.x+this.cursorAt.left,top:r.y+this.cursorAt.top}),$draggable:this.$target,destroy:this._destroyProxy};if(this._raise(q,this.start)===false){this._destroy(q)}}},_drag:function(r){if(b.isTouch){r.stopImmediatePropagation()}var u=b.touchLocation(r);if(b.isTouch&&n(g)){var q=b.eventTarget(r);if(q){var p=g[this.scope],v=h(q,p),s=v.owner,t=i.owner,o=t!=s;if(o){if(t!=null&&"_out" in i){i._out(r)}if(s&&a.contains(s,q)&&"_over" in v){v._over(r)}i=v}}}this._raise(r,this.drag);e[this.scope].$cue.css({left:u.x+this.cursorAt.left,top:u.y+this.cursorAt.top})},_stop:function(r){if(b.isTouch){r.stopImmediatePropagation()}if(r.type==l||r.keyCode==27){a(document).unbind("."+this.scope)}if(b.isTouch&&n(g)){var q=b.eventTarget(r);if(q){var p=g[this.scope],s=h(q,p);if(s.owner&&"_drop" in s){i={owner:[null]};s._drop(r)}}}if(this._raise(r,this.stop)===false){this._destroy(r)}else{var o=e[this.scope];if(o){o.$cue.animate(o.$draggable.offset(),"fast",this._destroyProxy)}}},_destroy:function(o){a(document).unbind("."+this.scope);this._raise(o,this.destroy);e[this.scope]=null;c[this.selector]=null}}})(jQuery); |