source: [view]
dojo.provide("dojox.mdnd.DropIndicator");
dojo.require("dojox.mdnd.AreaManager");
dojo.declare(
"dojox.mdnd.DropIndicator",
null,
{
// summary:
// DropIndicator managment for DnD.
// node: DOMNode
// the drop indicator node
node : null,
constructor: function(){
//console.log("dojox.mdnd.DropIndicator ::: constructor");
var dropIndicator = document.createElement("div");
var subDropIndicator = document.createElement("div");
dropIndicator.appendChild(subDropIndicator);
dojo.addClass(dropIndicator, "dropIndicator");
this.node = dropIndicator;
},
place: function(/*Node*/area, /*Node*/nodeRef, /*Object*/size){
// summary:
// Place the DropIndicator in the right place
// area:
// the dnd targer area node
// nodeRef:
// node where the dropIndicator have to be placed into the area
// dragNode:
// the node which is dragged
// returns:
// the node inserted or null if it crashes
//console.log("dojox.mdnd.DropIndicator ::: place");
if(size){
this.node.style.height = size.h + "px";
}
try{
if(nodeRef){
area.insertBefore(this.node, nodeRef);
}
else{
// empty target area or last node => appendChild
area.appendChild(this.node);
}
return this.node; // DOMNode
}catch(e){
return null;
}
},
remove: function(){
// summary:
// remove the DropIndicator (not destroy)
//console.log("dojox.mdnd.DropIndicator ::: remove");
if(this.node){
//FIX : IE6 problem
this.node.style.height = "";
if(this.node.parentNode){
this.node.parentNode.removeChild(this.node);
}
}
},
destroy: function(){
// summary:
// destroy the dropIndicator
//console.log("dojox.mdnd.DropIndicator ::: destroy");
if(this.node){
if(this.node.parentNode){
this.node.parentNode.removeChild(this.node);
}
dojo._destroyElement(this.node);
delete this.node;
}