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dndSelector.js
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dndSelector.js
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if(!dojo._hasResource["dijit._tree.dndSelector"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dijit._tree.dndSelector"] = true;
dojo.provide("dijit._tree.dndSelector");
dojo.require("dojo.dnd.common");
dojo.require("dijit._tree.dndContainer");
dojo.declare("dijit._tree.dndSelector",
dijit._tree.dndContainer,
{
constructor: function(tree, params){
this.selection={};
this.anchor = null;
this.simpleSelection=false;
this.events.push(
dojo.connect(this.tree.domNode, "onmousedown", this,"onMouseDown"),
dojo.connect(this.tree.domNode, "onmouseup", this,"onMouseUp")
);
},
// object attributes (for markup)
singular: false, // is singular property
// methods
getSelectedItems: function(){
var selectedItems = []
for (var i in this.selection){
selectedItems.push(dijit.getEnclosingWidget(this.selection[i]).item);
}
return selectedItems;
},
getSelectedNodes: function(){
return this.selection;
},
selectNone: function(){
// summary: unselects all items
return this._removeSelection()._removeAnchor(); // self
},
insertItems: function(item, parent){
// summary: inserts new data items (see Container's insertNodes method for details)
//we actually need to add things to the store here instead of adding noes to the tree directly
},
destroy: function(){
// summary: prepares the object to be garbage-collected
dojo.dnd.Selector.superclass.destroy.call(this);
this.selection = this.anchor = null;
},
// mouse events
onMouseDown: function(e){
// summary: event processor for onmousedown
// e: Event: mouse event
if(!this.current){ return; }
var item = dijit.getEnclosingWidget(this.current).item
var id = this.tree.store.getIdentity(item);
if (!this.current.id) {
this.current.id=id;
}
if (!this.current.type) {
this.current.type="data";
}
if(!this.singular && !dojo.dnd.getCopyKeyState(e) && !e.shiftKey && (this.current.id in this.selection)){
this.simpleSelection = true;
dojo.stopEvent(e);
return;
}
if(this.singular){
if(this.anchor == this.current){
if(dojo.dnd.getCopyKeyState(e)){
this.selectNone();
}
}else{
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = this.current;
}
}else{
if(!this.singular && e.shiftKey){
if (dojo.dnd.getCopyKeyState(e)){
//TODO add range to selection
}else{
//TODO select new range from anchor
}
}else{
if(dojo.dnd.getCopyKeyState(e)){
if(this.anchor == this.current){
delete this.selection[this.anchor.id];
this._removeAnchor();
}else{
if(this.current.id in this.selection){
this._removeItemClass(this.current, "Selected");
delete this.selection[this.current.id];
}else{
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this._addItemClass(this.anchor, "Selected");
}
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[this.current.id] = this.current;
}
}
}else{
var item = dijit.getEnclosingWidget(this.current).item
var id = this.tree.store.getIdentity(item);
if(!(id in this.selection)){
this.selectNone();
this.anchor = this.current;
this._addItemClass(this.current, "Anchor");
this.selection[id] = this.current;
}
}
}
}
dojo.stopEvent(e);
},
onMouseMove: function() {
},
onOverEvent: function() {
this.onmousemoveEvent = dojo.connect(this.node, "onmousemove", this, "onMouseMove");
},
onMouseUp: function(e){
// summary: event processor for onmouseup
// e: Event: mouse event
if(!this.simpleSelection){ return; }
this.simpleSelection = false;
this.selectNone();
if(this.current){
this.anchor = this.current;
this._addItemClass(this.anchor, "Anchor");
this.selection[this.current.id] = this.current;
}
},
_removeSelection: function(){
// summary: unselects all items
var e = dojo.dnd._empty;
for(var i in this.selection){
if(i in e){ continue; }
var node = dojo.byId(i);
if(node){ this._removeItemClass(node, "Selected"); }
}
this.selection = {};
return this; // self
},
_removeAnchor: function(){
if(this.anchor){
this._removeItemClass(this.anchor, "Anchor");
this.anchor = null;
}
return this; // self
}
});
}

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