flymis/WebRoot/dojojs/src/widget/html/layout.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.widget.html.layout");

dojo.require("dojo.lang.common");
dojo.require("dojo.string.extras");
dojo.require("dojo.html.style");
dojo.require("dojo.html.layout");

/**
 * Layout a bunch of child dom nodes within a parent dom node
 * Input is an array of objects like:
 * @ container - parent node
 * @ layoutPriority - "top-bottom" or "left-right"
 * @ children an array like [ {domNode: foo, layoutAlign: "bottom" }, {domNode: bar, layoutAlign: "client"} ]
 */
dojo.widget.html.layout = function(container, children, layoutPriority) {
	dojo.html.addClass(container, "dojoLayoutContainer");

	// Copy children array and remove elements w/out layout.
	// Also record each child's position in the input array, for sorting purposes.
	children = dojo.lang.filter(children, function(child, idx){
		child.idx = idx;
		return dojo.lang.inArray(["top","bottom","left","right","client","flood"], child.layoutAlign)
	});

	// Order the children according to layoutPriority.
	// Multiple children w/the same layoutPriority will be sorted by their position in the input array.
	if(layoutPriority && layoutPriority!="none"){
		var rank = function(child){
			switch(child.layoutAlign){
				case "flood":
					return 1;
				case "left":
				case "right":
					return (layoutPriority=="left-right") ? 2 : 3;
				case "top":
				case "bottom":
					return (layoutPriority=="left-right") ? 3 : 2;
				default:
					return 4;
			}
		};
		children.sort(function(a,b){
			return (rank(a)-rank(b)) || (a.idx - b.idx);
		});
	}

	// remaining space (blank area where nothing has been written)
	var f={
		top: dojo.html.getPixelValue(container, "padding-top", true),
		left: dojo.html.getPixelValue(container, "padding-left", true)