*/
-if(!dojo._hasResource["dojo.dnd.Mover"]){
-dojo._hasResource["dojo.dnd.Mover"]=true;
+if(!dojo._hasResource["dojo.dnd.Mover"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojo.dnd.Mover"] = true;
dojo.provide("dojo.dnd.Mover");
+
dojo.require("dojo.dnd.common");
dojo.require("dojo.dnd.autoscroll");
-dojo.declare("dojo.dnd.Mover",null,{constructor:function(_1,e,_2){
-this.node=dojo.byId(_1);
-this.marginBox={l:e.pageX,t:e.pageY};
-this.mouseButton=e.button;
-var h=this.host=_2,d=_1.ownerDocument,_3=dojo.connect(d,"onmousemove",this,"onFirstMove");
-this.events=[dojo.connect(d,"onmousemove",this,"onMouseMove"),dojo.connect(d,"onmouseup",this,"onMouseUp"),dojo.connect(d,"ondragstart",dojo.stopEvent),dojo.connect(d.body,"onselectstart",dojo.stopEvent),_3];
-if(h&&h.onMoveStart){
-h.onMoveStart(this);
-}
-},onMouseMove:function(e){
-dojo.dnd.autoScroll(e);
-var m=this.marginBox;
-this.host.onMove(this,{l:m.l+e.pageX,t:m.t+e.pageY},e);
-dojo.stopEvent(e);
-},onMouseUp:function(e){
-if(dojo.isWebKit&&dojo.isMac&&this.mouseButton==2?e.button==0:this.mouseButton==e.button){
-this.destroy();
-}
-dojo.stopEvent(e);
-},onFirstMove:function(e){
-var s=this.node.style,l,t,h=this.host;
-switch(s.position){
-case "relative":
-case "absolute":
-l=Math.round(parseFloat(s.left))||0;
-t=Math.round(parseFloat(s.top))||0;
-break;
-default:
-s.position="absolute";
-var m=dojo.marginBox(this.node);
-var b=dojo.doc.body;
-var bs=dojo.getComputedStyle(b);
-var bm=dojo._getMarginBox(b,bs);
-var bc=dojo._getContentBox(b,bs);
-l=m.l-(bc.l-bm.l);
-t=m.t-(bc.t-bm.t);
-break;
-}
-this.marginBox.l=l-this.marginBox.l;
-this.marginBox.t=t-this.marginBox.t;
-if(h&&h.onFirstMove){
-h.onFirstMove(this,e);
-}
-dojo.disconnect(this.events.pop());
-},destroy:function(){
-dojo.forEach(this.events,dojo.disconnect);
-var h=this.host;
-if(h&&h.onMoveStop){
-h.onMoveStop(this);
-}
-this.events=this.node=this.host=null;
-}});
+
+dojo.declare("dojo.dnd.Mover", null, {
+ constructor: function(node, e, host){
+ // summary:
+ // an object, which makes a node follow the mouse.
+ // Used as a default mover, and as a base class for custom movers.
+ // node: Node
+ // a node (or node's id) to be moved
+ // e: Event
+ // a mouse event, which started the move;
+ // only pageX and pageY properties are used
+ // host: Object?
+ // object which implements the functionality of the move,
+ // and defines proper events (onMoveStart and onMoveStop)
+ this.node = dojo.byId(node);
+ this.marginBox = {l: e.pageX, t: e.pageY};
+ this.mouseButton = e.button;
+ var h = this.host = host, d = node.ownerDocument,
+ firstEvent = dojo.connect(d, "onmousemove", this, "onFirstMove");
+ this.events = [
+ dojo.connect(d, "onmousemove", this, "onMouseMove"),
+ dojo.connect(d, "onmouseup", this, "onMouseUp"),
+ // cancel text selection and text dragging
+ dojo.connect(d, "ondragstart", dojo.stopEvent),
+ dojo.connect(d.body, "onselectstart", dojo.stopEvent),
+ firstEvent
+ ];
+ // notify that the move has started
+ if(h && h.onMoveStart){
+ h.onMoveStart(this);
+ }
+ },
+ // mouse event processors
+ onMouseMove: function(e){
+ // summary:
+ // event processor for onmousemove
+ // e: Event
+ // mouse event
+ dojo.dnd.autoScroll(e);
+ var m = this.marginBox;
+ this.host.onMove(this, {l: m.l + e.pageX, t: m.t + e.pageY}, e);
+ dojo.stopEvent(e);
+ },
+ onMouseUp: function(e){
+ if(dojo.isWebKit && dojo.isMac && this.mouseButton == 2 ?
+ e.button == 0 : this.mouseButton == e.button){
+ this.destroy();
+ }
+ dojo.stopEvent(e);
+ },
+ // utilities
+ onFirstMove: function(e){
+ // summary:
+ // makes the node absolute; it is meant to be called only once.
+ // relative and absolutely positioned nodes are assumed to use pixel units
+ var s = this.node.style, l, t, h = this.host;
+ switch(s.position){
+ case "relative":
+ case "absolute":
+ // assume that left and top values are in pixels already
+ l = Math.round(parseFloat(s.left)) || 0;
+ t = Math.round(parseFloat(s.top)) || 0;
+ break;
+ default:
+ s.position = "absolute"; // enforcing the absolute mode
+ var m = dojo.marginBox(this.node);
+ // event.pageX/pageY (which we used to generate the initial
+ // margin box) includes padding and margin set on the body.
+ // However, setting the node's position to absolute and then
+ // doing dojo.marginBox on it *doesn't* take that additional
+ // space into account - so we need to subtract the combined
+ // padding and margin. We use getComputedStyle and
+ // _getMarginBox/_getContentBox to avoid the extra lookup of
+ // the computed style.
+ var b = dojo.doc.body;
+ var bs = dojo.getComputedStyle(b);
+ var bm = dojo._getMarginBox(b, bs);
+ var bc = dojo._getContentBox(b, bs);
+ l = m.l - (bc.l - bm.l);
+ t = m.t - (bc.t - bm.t);
+ break;
+ }
+ this.marginBox.l = l - this.marginBox.l;
+ this.marginBox.t = t - this.marginBox.t;
+ if(h && h.onFirstMove){
+ h.onFirstMove(this, e);
+ }
+ dojo.disconnect(this.events.pop());
+ },
+ destroy: function(){
+ // summary:
+ // stops the move, deletes all references, so the object can be garbage-collected
+ dojo.forEach(this.events, dojo.disconnect);
+ // undo global settings
+ var h = this.host;
+ if(h && h.onMoveStop){
+ h.onMoveStop(this);
+ }
+ // destroy objects
+ this.events = this.node = this.host = null;
+ }
+});
+
}
git.wh0rd.org / tt-rss.git / blobdiff