var lang = "fr";
//
//  iWeb - navbar.js
//  Copyright (c) 2007-2008 Apple Inc. All rights reserved.
//
var NavBar = Class.create(Widget, {
	widgetIdentifier: "com-apple-iweb-widget-NavBar",
	initialize: function($super, instanceID, widgetPath, sharedPath, sitePath, preferences, runningInApp) {
		if (instanceID) {
			$super(instanceID, widgetPath, sharedPath, sitePath, preferences, runningInApp);
			if (!this.preferenceForKey("useStaticFeed") && this.preferenceForKey("dotMacAccount")) {
				var depthPrefix = this.preferenceForKey("path-to-root");
				if (!depthPrefix || depthPrefix == "") depthPrefix = "./";
				this.xml_feed = depthPrefix + "?webdav-method=truthget&depth=infinity&ns=iweb&filterby=in-navbar";
			} else {
				this.xml_feed = "feed.xml";
				if (this.sitePath) {
					this.xml_feed = this.sitePath + "/" + this.xml_feed;
				}
			}
			this.changedPreferenceForKey("navbar-css");
			this.regenerate();
		}
	},
	regenerate: function() {
		new Ajax.Request(this.xml_feed, {
			method: 'get',
			onSuccess: this.populateNavItems.bind(this)
		});
		return true;
	},
	getStyleElement: function(key) {
		if (!this.styleElement) {
			var head = document.getElementsByTagName("head")[0];
			if (head) {
				var newElement = document.createElement("style");
				newElement.type = "text/css";
				head.appendChild(newElement);
				this.styleElement = newElement;
			}
		}
		return this.styleElement;
	},
	substWidgetPath: function(text) {
		var result = text.replace(/\$WIDGET_PATH/gm, this.widgetPath);
		return result;
	},
	addCSSSelectorPrefix: function(text) {
		var prefix = "div#" + this.instanceID + " ";
		text = text.replace(/\/\*[^*]*\*+([^/][^*]*\*+)*\//gm, "");
		text = text.replace(/(^\s*|\}\s*)([^{]+)({[^}]*})/gm, function(match, beforeSelectorList, selectorList, propertyList) {
			var result = beforeSelectorList;
			var selectors = selectorList.split(",");
			for (var i = 0; i < selectors.length; i++) {
				result += prefix + selectors[i];
				if (i + 1 < selectors.length) result += ",";
			}
			result += propertyList;
			return result;
		});
		return text;
	},
	changedPreferenceForKey: function(key) {
		if (key == "navbar-css") {
			var text = this.preferenceForKey(key);
			if (!text) {
				text = "";
			}
			text = this.substWidgetPath(text);
			text = this.addCSSSelectorPrefix(text);
			var styleElement = this.getStyleElement();
			if (styleElement) {
				if (!windowsInternetExplorer) {
					var node = document.createTextNode(text);
					if (node) {
						while (styleElement.hasChildNodes()) {
							styleElement.removeChild(styleElement.firstChild);
						}
						styleElement.appendChild(node);
					}
				} else {
					styleElement.styleSheet.cssText = text;
				}
			}
		}
	},
	populateNavItems: function(req) {
		var items;
		var feedRoot = ajaxGetDocumentElement(req);
		if (feedRoot) {
			var parsedFeed = this.getAtomFeedItems(feedRoot);
			var items = parsedFeed.resultArray;
			var currentPageGUID = null;
			var isCollectionPage = "NO";
			var curPagePat = null;
			if (this.runningInApp) curPagePat = /\.#current#.$/;
			else {
				currentPageGUID = this.preferenceForKey("current-page-GUID");
				isCollectionPage = this.preferenceForKey("isCollectionPage");
			}
			var navDiv = this.div("navbar-list");
			var navBgDiv = navDiv.parentNode;
			$(navBgDiv).ensureHasLayoutForIE();
			while (navDiv.firstChild) {
				navDiv.removeChild(navDiv.firstChild);
			}
			var depthPrefix = this.preferenceForKey("path-to-root");
			if (!depthPrefix || depthPrefix == "") depthPrefix = "./";
			for (var x = 0; x < items.length; x++) {
				var navItem = document.createElement("li");
				var anchor = document.createElement("a");
				var title = items[x].title;
				var pageGUID = items[x].GUID;
				title = title.replace(/ /g, "\u00a0") + " ";
				var url = items[x].url;
				if (!this.runningInApp && !url.match(/^http:/i)) url = depthPrefix + url;
				var inAppCurPage = this.runningInApp && curPagePat.exec(unescape(new String(url)));
				if (inAppCurPage) {
					url = url.replace(curPagePat, "");
				}
				if (pageGUID == currentPageGUID || inAppCurPage) {
					navItem.className = 'current-page';
					// if (!this.runningInApp && isCollectionPage != "YES") {
					//	url = "";
					// }
				} else navItem.className = 'noncurrent-page';
				anchor.setAttribute("href", url);
				anchor.appendChild(document.createTextNode(title));
				navItem.appendChild(anchor);
				navDiv.appendChild(navItem);
			}
			if (this.preferences && this.preferences.postNotification) {
				this.preferences.postNotification("BLWidgetIsSafeToDrawNotification", 1);
			}
		}
	},
	getAtomFeedItems: function(feedNode) {
		var results = new Array;
		var pageOrder = new Array;
		if (feedNode) {
			var generator = "";
			var generatorElt = getFirstElementByTagName(feedNode, "generator");
			if (generatorElt && generatorElt.firstChild) {
				generator = allData(generatorElt);
			}
			var pageGUIDs, pageGUIDsElt;
			for (var entryElt = feedNode.firstChild; entryElt; entryElt = entryElt.nextSibling) {
				var isInNavbarElt = null;
				if (!pageGUIDs && (pageGUIDsElt = findChild(entryElt, "site-navbar", "urn:iweb:"))) {
					pageGUIDs = allData(pageGUIDsElt).split(",");
					for (var x = 0; x < pageGUIDs.length; x++) {
						var pageGUID = pageGUIDs[x];
						pageOrder["" + pageGUID] = x;
					}
				}
				if (entryElt.nodeName == "entry" && (isInNavbarElt = findChild(entryElt, "in-navbar", "urn:iweb:"))) {
					if (!isInNavbarElt) continue;
					var pageGUID = "";
					if (isInNavbarElt.firstChild) {
						pageGUID = "" + allData(isInNavbarElt);
					} else {
						iWLog("no navBarElt child");
					}
					if (pageGUID == "navbar-sort") continue;
					var title = "";
					var titleElt = findChild(entryElt, "title", "urn:iweb:");
					if (!titleElt) {
						iWLog("No iWeb title");
						titleElt = findChild(entryElt, "title");
					}
					if (titleElt && titleElt.firstChild) {
						title = allData(titleElt);
					}
					var linkElt = getFirstElementByTagName(entryElt, 'link');
					url = linkElt.getAttribute("href");
					if (!url && linkElement.firstChild) {
						url = allData(linkElement);
					}
					results[results.length] = {
						title: title,
						url: url,
						GUID: pageGUID
					};
				}
			}
		}
		if (pageGUIDs) {
			results = $(results).reject(function(result) {
				return (pageOrder[result.GUID] === undefined);
			});
			results.sort(function(lhs, rhs) {
				return pageOrder[lhs.GUID] - pageOrder[rhs.GUID];
			});
		}
		return {
			resultArray: results
		};
	},
	onload: function() {},
	onunload: function() {}
});

function findChild(element, nodeName, namespace) {
	var child;
	for (child = element.firstChild; child; child = child.nextSibling) {
		if (child.localName == nodeName || child.baseName == nodeName) {
			if (!namespace) {
				return child;
			}
			var childNameSpace = child.namespaceURI;
			if (childNameSpace == namespace) {
				return child;
			}
		}
	}
	return null;
}
function getFirstElementByTagName(node, tag_name) {
	var elements = node.getElementsByTagName(tag_name);
	if (elements.length) {
		return elements[0];
	} else {
		return findChild(node, tag_name);
	}
}
function allData(node) {
	node = node.firstChild;
	var data = node.data;
	while ((node = node.nextSibling)) {
		data += node.data;
	}
	return data;
}