class CGraphEditLink extends CGraphDisplayLink {
	
	function CGraphEditLink() {
		if (owner.editMode == 'create') {
			makeEditable(); 
		}
	}
	
	function makeEditable() {
		if (owner.editMode == 'create' || owner.editMode == 'completecosts') {
			graphic.num.text.type = 'input';
			graphic.num.text.selectable = true;
			graphic.num.text.maxChars = 2;
			graphic.num.text.restrict = '0-9';
			graphic.num.text.owner = this;
			graphic.num.text.onKillFocus = function () {
				this.owner.editLinkCost();
			}
		}
	}
	
	function editLinkCost() {
		var nCost = Number(graphic.num.text.text);
		if (isNaN(nCost)) nCost = 0;
		graphic.num.text.text = nCost;
		link.attributes.cost = nCost;
		owner.trigger('onDataChange');
	}
}