/**
 * List of Sql.Object
 **/
Sql.List = new Class
({
	Extends: Sql.Object

	,objects: []

	,add: function (object)
	{
		this.objects.push (object);
		object.on ('changed', this.onObjectChange, this);
		this.onObjectChange ();
	}
	
	,get: function (i)
	{
		return objects[i];
	}
	
	,getArray: function ()
	{
		return this.objects;
	}
	
	,remove: function (i)
	{
		var object = objects.splice (i, 1);
		object.disconnect ('changed', this.onObjectChange, this);
		this.onObjectChange ();
	}

	,onObjectChange: function ()
	{
		this.signalEmit ('changed');
	}

	,isReady: function ()
	{
		var o = this.objects;
		
		if (o.length == 0)
			return false;
	
		for (var i = 0; i < o.length; i++)
		if (!o[i].isReady ())
			return false;

		return true;
	}
});