dojo.provide("dijit._DialogMixin");

dojo.declare("dijit._DialogMixin", null,
	{
		// summary:
		//		This provides functions useful to Dialog and TooltipDialog

		attributeMap: dijit._Widget.prototype.attributeMap,

		execute: function(/*Object*/ formContents){
			// summary:
			//		Callback when the user hits the submit button.
			//		Override this method to handle Dialog execution.
			// description:
			//		After the user has pressed the submit button, the Dialog
			//		first calls onExecute() to notify the container to hide the
			//		dialog and restore focus to wherever it used to be.
			//
			//		*Then* this method is called.
			// type:
			//		callback
		},

		onCancel: function(){
			// summary:
			//	    Called when user has pressed the Dialog's cancel button, to notify container.
			// description:
			//	    Developer shouldn't override or connect to this method;
			//		it's a private communication device between the TooltipDialog
			//		and the thing that opened it (ex: `dijit.form.DropDownButton`)
			// type:
			//		protected
		},

		onExecute: function(){
			// summary:
			//	    Called when user has pressed the dialog's OK button, to notify container.
			// description:
			//	    Developer shouldn't override or connect to this method;
			//		it's a private communication device between the TooltipDialog
			//		and the thing that opened it (ex: `dijit.form.DropDownButton`)
			// type:
			//		protected
		},

		_onSubmit: function(){
			// summary:
			//		Callback when user hits submit button
			// type:
			//		protected
			this.onExecute();	// notify container that we are about to execute
			this.execute(this.attr('value'));
		},

		_getFocusItems: function(/*Node*/ dialogNode){
			// summary:
			//		Find focusable Items each time a dialog is opened,
			//		setting _firstFocusItem and _lastFocusItem
			// tags:
			//		protected

			var elems = dijit._getTabNavigable(dojo.byId(dialogNode));
			this._firstFocusItem = elems.lowest || elems.first || dialogNode;
			this._lastFocusItem = elems.last || elems.highest || this._firstFocusItem;
			if(dojo.isMoz && this._firstFocusItem.tagName.toLowerCase() == "input" &&
					dojo.getNodeProp(this._firstFocusItem, "type").toLowerCase() == "file"){
				// FF doesn't behave well when first element is input type=file, set first focusable to dialog container
				dojo.attr(dialogNode, "tabIndex", "0");
				this._firstFocusItem = dialogNode;
			}
		}
	}
);