// navigator.js
// global navigation functions
// Copyright (c) 2002 ESIRION AG. All rights reserved. 
//
// creation: dirk.oppelt@esirion.com 
//
// mod: 28.05.2002 function makeEntryline() fixed for Mozilla 1.0 'out of memory' bug 
// mod: 10.06.2002 function check_activestatus() changed for noframe-Sites 
//                 function updateMenu() changed for noframe-Sites 
//                 function do_open() bugfixed 
// mod: 04.07.2002 function check_activestatus() fixed: not closing inactive tree  
// mod: 05.02.2003 zusammenfuehrung mit switcher
// mod: 20.03.2003 initialContent mit eingebetteten Modulen ermoeglicht

ie=ns4=w3c=op=kq=mz=false;

function getBrowser() {
	if(navigator.userAgent.indexOf('Opera') != -1) op=true;
	else if(navigator.userAgent.indexOf('Konqueror') != -1) kq=true;
	else if(navigator.userAgent.indexOf('Gecko') != -1) mz = true;
	else if(document.all) ie=true;
	else if(document.layers) ns4=true;
	else if(document.getElementById) w3c=true;
}
getBrowser();
// w3c=true;
// alert('ie: '+ie+'\nns4: '+ns4+'\nw3c: '+w3c+'\nop: '+op+'\nkq: '+kq+'\nmz: '+mz);

var content;
var contentFrame;

var pages = new Array();
var pageAll = new Array();
var updatetimeout = new Array();

var menuContent = new Array();
var activeDoc = '~~~';
var activeEntry = -1;
var activeMenu = -1;
var activeLevel = -1;
var activeAction = -1;
var activeHas2deeper = -1;
var entryHas2deeper = new Array();

var activeTemplateLevel = -1;

var linkToParent = -1;

var menuStorage = new Array();
var opened = new Array();
var mixmenu = new Array();
var externalStructures = new Array();
var initialContent = '';
var pageArraySet = new Array();


function init() {
	if(!contentFrame) contentFrame = self.frames['fContent'];
	menuID = parseInt(arguments[0])
	opened[menuID]=new Array();

	if(menu.length <= arguments[0]) return;
	
	if(arguments.length > 1) { // mixed menu
		myargs = new Array();
		for(var i=0; i<arguments.length; i++) myargs[i] = parseInt(arguments[i]);
		for(var i=0; i<myargs.length; i++) {
			mixmenu[myargs[i]] = new Array();
			for(var j=0; j<myargs.length; j++) {
				if(myargs[j] != myargs[i]) mixmenu[myargs[i]][mixmenu[myargs[i]].length] = myargs[j];
			}
			if(i) {
				menu[myargs[i]] = menu[menuID];
				opened[myargs[i]] = opened[menuID];
			}
		}
	}

	if(!pageArraySet[menuID]) makePageArray(menuID);
	
	activeDoc = '~~~';
	activeEntry = -1;
	activeMenu = -1;
	activeLevel = -1;
	activeAction = -1;
	activeTemplateLevel = -1;
	linkToParent = -1;
	
	activateMenu(menuID);
	if(mixmenu[menuID]) for(var i=0; i<mixmenu[menuID].length; i++) activateMenu(mixmenu[menuID][i]);
}

var parents = new Array();

function makePageArray(menuID) { // Page-Liste aufbauen
	if(menuID>=100) return;
	parents = new Array();
	nextentry = new Array(-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1);
	for(var i=0; i<menu[menuID].length; i++) {
		pages[entryGet(menuID, i,'docID')] = new Array(menuID, i);
		thisLevel = entryGet(menuID, i,'level');
		parents[thisLevel] = i;
		if(thisLevel>0) entrySet(menuID, i, 'parent', parents[thisLevel-1]);
		else entrySet(menuID, i, 'parent', -1);

		for(j=thisLevel; nextentry[j] != -1; ++j) {
			entrySet(menuID, nextentry[j], 'next', i);
			nextentry[j] = -1;
		}
		nextentry[thisLevel] = i;
	}
	pageArraySet[menuID] = true;
}

function getAsArrayLength(AsArray) { // Länge assoziativer Arrays ermitteln
	var x=0;
	for(var i in AsArray) x++;
	return x;
}

// Homepage definieren
// wenn Rootentry = Cat, 1. Menu-Eintrag als Homepage;
// wenn Rootentry = Page+Cat, Rootentry als Homepage;
// wenn Bookmark oder DirectURL, das als Homepage
function getInitialContent(menuID, home) {
	if(!home && initialContent != '') return initialContent;
	if(home || initialContent == '') {
		if(homepage[menuID][1] == 0) {
			for(var i=0; menu[menuID].length; i++) {
				if(menu[menuID][i][1] == 2 || menu[menuID][i][1] == 1) {
					initialContent = contentpath + entryGet(menuID,i,'docID');
					break;
				}
				else if(menu[menuID][i][1] == 3 || menu[menuID][i][1] == 4) {
					loadparams = "?Open&docid=" + entryGet(menuID,i,'docID') + "&external=" + contentpath + entryGet(menuID,i,'docURL');
					initialContent = contentpath + '../externalcontent.html' + loadparams;
					break;
				}
			}
		}
		else initialContent = contentpath + homepage[menuID][2];
		if(home) return initialContent;
	}
	var loc = self.location.href;
	if(loc.indexOf('?Open&')!=-1) {
	  initialContent = contentpath + loc.substr(loc.indexOf('?Open&')+6,32);
	}
	if(loc.indexOf('DirectURL=')!=-1) {
	  initialContent = contentpath + loc.substr(loc.indexOf('DirectURL=')+10,32);
	}
	if(loc.indexOf('bookmark=')!=-1) {
	  initialContent = contentpath + loc.substr(loc.indexOf('bookmark=')+9,32);
	}
	if(loc.indexOf('Initial=')!=-1) {
	  initialContent = contentpath + loc.substr(loc.indexOf('Initial=')+8,32);
	}
	return initialContent;
}

function setInitialContent(menuID, home) { // Homepage setzen
	contentFrame.location.href = getInitialContent(menuID, home);
}

function activateMenu(menuID) { // Menu in default-Zustand setzen
	if(getParam(menuID,'expanded') == 1) openAll(menuID);
	else closeAll(menuID);
	makeMenu(menuID);
}

function resetMenucontent(menuID) { // Menucontent leeren
	if(!mTemplateLine[menuID] || !mTemplateLine[menuID].length) return;
	menuContent[menuID] = new Array();
	for(var i=0; i<mTemplateLine[menuID].length; i++) menuContent[menuID][i]='';
}

function isCat(menuID,entryID) { // ist Entry Category?
	if(entryGet(menuID,entryID,'action') == 20 || entryGet(menuID,entryID,'action') == 21 || (menu[menuID][entryID+1] && entryGet(menuID,entryID+1,'level') == entryGet(menuID,entryID,'level')+1)) return true;
	else return false;
}

function do_open(menuID,entryID,noclose) { // Öffnen eines Eintrages; nur bei Cat
	if(!getParam(menuID,'keep_open') && !entryGet(menuID,entryID,'opened')) {
		closeAll(menuID);
		for(var i=0; i<entryGet(menuID,entryID,'level'); i++) {
			if(isCat(menuID,getLevelEntryID(menuID,entryID,i))) entrySet(menuID,getLevelEntryID(menuID,entryID,i),'opened',1);
		}
	}
	if(isCat(menuID,entryID)) {
		if(!noclose && getParam(menuID,'closeable')) entryGet(menuID,entryID,'opened') ? entrySet(menuID,entryID,'opened',0) : entrySet(menuID,entryID,'opened',1);
		else entrySet(menuID,entryID,'opened',1)
	}
}

function openAll(menuID) { // alle öffnen
	for(var i=0; i<menu[menuID].length; i++) {
		if(isCat(menuID,i)) entrySet(menuID,i,'opened',1)
	}
}

function closeAll(menuID) { // alle schließen 
	if(opened[menuID]) opened[menuID].length = 0;
	else {
		if(menuID >= 100) if(opened[menuID-100]) opened[menuID] = opened[menuID-100];
		else opened[menuID] = new Array();
	}
}

function getLevelEntryID(menuID,entryID,level) { // entryID des Parents auf definiertem Level
	var parents = new Array();
	var thisentry = entryID;
	while(entryGet(menuID,thisentry,'level')) {
		parents[entryGet(menuID,thisentry,'level')] = thisentry;
		thisentry = entryGet(menuID,thisentry,'parent')
	}
	parents[0] = thisentry;
	return parents[level];
}

function makeMenu(menuID) { // Menu erzeugen 
	activeTemplateLevel = -1;
	if(!menu[menuID] || !menu[menuID].length) return;
	resetMenucontent(menuID);
	var thisType = getParam(menuID,'menutype');
	for(var i=0; i<menu[menuID].length; i++) {
		if(thisType == 0) menuContent[menuID][0] += makeEntryline(menuID,i);
		else menuContent[menuID][entryGet(menuID,i,'level')] += makeEntryline(menuID,i);
		var thisLevel = entryGet(menuID,i,'level');
		if(menu[menuID][i+1] && entryGet(menuID,i+1,'level') == thisLevel+1) { // hat submenu
			if(!entryGet(menuID,i,'opened')) i = entryGet(menuID,i,'next')-1;
		}
	}
	setMenu(menuID);
}

/*function makeEntryline(menuID,entryID) { // Menu-Eintrag erzeugen 
	templateLevel = entryGet(menuID,entryID,'level');
	
	if(mTemplateLine[menuID][templateLevel] && mTemplateLine[menuID][templateLevel] != '') {
		var menutemplate = mTemplateLine[menuID][templateLevel];
		var entryDoc     = entryGet(menuID,entryID,'docID');
		var entryOpened  = entryGet(menuID,entryID,'opened');
		var imgSrc = '';
		
		thisclass = 'entry-n';
		if(entryOpened) thisclass = 'entry-o';
		if(entryDoc == activeDoc) thisclass = 'entry-a';
		
		if(menutemplate.indexOf('<entry-imgsrc>') != -1) {  //twist-images
			if(isCat(menuID,entryID)) {  //Subentries
				if(entryOpened) {
					if(entryDoc == activeDoc) imgSrc = imgopen_a[templateLevel].src;
					else imgSrc = imgopen_n[templateLevel].src;
				}
				else {
					if(entryDoc == activeDoc) imgSrc = imgclose_a[templateLevel].src;
					else imgSrc = imgclose_a[templateLevel].src;
				}
			}
			else {
				if(entryDoc == activeDoc) imgSrc = imgpage_a[templateLevel].src;
				else imgSrc = imgpage_n[templateLevel].src;
			}
		}
		
		entryline = menutemplate.replace(/<entry-id>/g, '0,'+ entryID).split('<entry-label>').join(entryGet(menuID,entryID,'label')).replace(/<entry-class>/g, thisclass+templateLevel).split('<entry-imgsrc>').join(imgSrc);
	}
	else entryline = '';
	activeTemplateLevel = templateLevel;
	return entryline + '\n';
}*/
function makeEntryline(menuID,entryID) { // compose entryline 
	templateLevel = entryGet(menuID,entryID,'level');
	
	if(mTemplateLine[menuID][templateLevel] && mTemplateLine[menuID][templateLevel] != '') {
		var menutemplate = mTemplateLine[menuID][templateLevel];
		var entryDoc     = entryGet(menuID,entryID,'docID');
		var entryOpened  = entryGet(menuID,entryID,'opened');
		var imgSrc = '';
		
		thisclass = 'entry-n';
		if(entryOpened) thisclass = 'entry-o';
		if(entryDoc == activeDoc) thisclass = 'entry-a';
		
		if(entryGet(menuID,entryID,'hilight')) {
			thisclass = 'entry-BUn';
			if(entryOpened) thisclass = 'entry-BUo';
			if(entryDoc == activeDoc) thisclass = 'entry-BUa';
		}
		
		if(menutemplate.indexOf('<entry-imgsrc>') != -1) {  //twist-images
			if(isCat(menuID,entryID)) {  // subentries
				if(entryOpened) {
					if(entryDoc == activeDoc) imgSrc = imgopen_a[templateLevel].src;
					else imgSrc = imgopen_n[templateLevel].src;
				}
				else {
					if(entryDoc == activeDoc) imgSrc = imgclose_a[templateLevel].src;
					else imgSrc = imgclose_a[templateLevel].src;
				}
			}
			else {
				if(entryDoc == activeDoc) imgSrc = imgpage_a[templateLevel].src;
				else imgSrc = imgpage_n[templateLevel].src;
			}
		}
		
		entryline = menutemplate.replace(/<entry-id>/g, menuID +','+ entryID).split('<entry-label>').join(entryGet(menuID,entryID,'label')).replace(/<entry-class>/g, thisclass+templateLevel).split('<entry-imgsrc>').join(imgSrc);
	}
	else entryline = '';
	if(menuID==0 && entryID>=1 && templateLevel == 2 && templateLevel > entryGet(menuID,entryID+1,'level')) {
		entryline += '<tr><td height="1" colspan="5"></td></tr>';
	}
	activeTemplateLevel = templateLevel;
	return entryline + '\n';
}

function setMenu(menuID) { // Menu zusammensetzen und ausgeben 
	for(var i=0; i<mTemplateLine[menuID].length; i++) {
		menuout = '';
		menuout += mTemplateStart[menuID][i];
		menuout += menuContent[menuID][i];
		menuout += mTemplateEnd[menuID][i];
		storeMenu(menuout, menuID, i);
	}
	updateMenu(menuID);
}

/*
Klick auf Menueintrag
- Action-IDs:
0:  Cat only 
1:  Page + Cat 
2:  Page only 
3:  ext. Struct, Page + Cat  
4:  ext. Struct, Page 
5:  Clone Page + Cat 
6:  Clone Page 
7:  int. Link, Content Win 
8:  ext. Link + Category 
9:  ext. Link, new Win 
10: ext. Link, same Win 
11: ext. Link, Content Win 
12: Link thru JS-Script 

- Parameter:
menuID, entryID, nicht laden (nur ausklappen), nicht ausklappen (nur laden), nicht zuklappen, klick kommt aus MixedMenu 
*/
function entryclick(menuID,entryID,noload,noopen,noclose,ismixedmenu) {
	if(!ismixedmenu) if(menuID >= 100) { //Mixmenu? Root-Menu wählen
		menuID-=100;
	}
	closeAll(menuID);
	if(!ismixedmenu && activeMenu != menuID) { //Menuwechsel? Altes Menu schließen
		if(activeMenu != -1) closeAll(activeMenu);
		activeMenu = menuID;
	}
	var action = entryGet(menuID,entryID,'action');
	activeAction = action;
	var externalpath = '';
	if(!noopen && action != 9) do_open(menuID,entryID,noclose);
	if(self.isIntranet && isIntranet==true && action != 0 && action != 3 && action != 4 && action != 8 && action != 9) parent.fActionbar.location.assign(contentpath + '../systemcontentview/X_actionbar.html');
	if(action != 0) {
		if(!noload) {
			if(entryGet(menuID,entryID,'contentpath')) thisPath = entryGet(menuID,entryID,'contentpath');
			else thisPath = contentpath;
			switch (action) {
				case 1: //Page+Cat
				case 2: 
				//Page only
				case 5: //Clone Page+Cat
				case 6: //Clone Page only
				case 8: //Clone Page only
				self.contentFrame.location.href = thisPath + entryGet(menuID,entryID,'docID');
				break;
				
				case 7: //int. Link + Content Win
				self.contentFrame.location.href = thisPath + entryGet(menuID,entryID,'docURL').split('internallink:\/\/').join('');
				break;
				
				case 88888: //img. Link //"imagelink://<homepath/>imgref/91870E1755EB2327C1256EC4004B4634/$FILE/PortalizingDomino.pdf"
				self.contentFrame.location.href = contentpath.split('/contentview/')[0] + "/imgref/" + entryGet(menuID,entryID,'docURL').split('imagelink:\/\/').join('').split('imgref/')[1];
				break;
				case 9: //ext. Link, new Win
				window.open(entryGet(menuID,entryID,'docURL'));
				break;
								
				case 10: //ext. Link, same Win
				location.href = entryGet(menuID,entryID,'docURL');
				break;
				
				case 21: //ext. Page+Structure
				self.contentFrame.location.href = thisPath + entryGet(menuID,entryID,'docID');
				case 20: //ext. Structure
				//addExternalStructure(entryGet(menuID,entryID,'docURL'), menuID+'~~'+entryID);
				break;
				
				case 3:  //ext. Struct Page + Cat 
				case 4:  //ext. Page+Structure
				externalpath = thisPath;
				case 11: //ext. Link, Content Win
				loadparams = "?ReadForm&docid=" + entryGet(menuID,entryID,'docID') + "&external=" + externalpath + entryGet(menuID,entryID,'docURL');
				self.contentFrame.location.href = thisPath + '../externalcontent.html' + loadparams;
				break;				

				case 12: //Link thru JS-Script
				call_js(entryGet(menuID,entryID,'docURL'));
				break;		
				
				default:
				break;
			}
		}
		activeDoc = entryGet(menuID,entryID,'docID');
	}
	activeEntry = entryID;
	activeLevel = entryGet(menuID,entryID,'level');
	//activeHas2deeper = has2deeper(activeMenu,entryGet(activeMenu,activeEntry,'parent'));
	
	if(fPathinfo) fPathinfo.set_pathstring(getPathinfo(activeDoc, fPathinfo.pathstring_delimiter));
	if(action != 9) {
		makeMenu(menuID);
		if(mixmenu.length && mixmenu[menuID]) for(var i=0; i<mixmenu[menuID].length; i++) makeMenu(mixmenu[menuID][i]);
	}
	if(action == 0 && getParam(menuID,'load_first_page') && menu[menuID][entryID+1] && !noload) { // erste Page laden 
		var openentry=entryID+1;
		while(entryGet(menuID,openentry,'action')==0) entrySet(menuID,openentry++,'opened',1);
		if(op) setTimeout('entryclick('+menuID+','+openentry+')',500);
		else entryclick(menuID,openentry);
	}

}

function storeMenu(content,menuID,level) { // MenuInhalt (HTML) speichern 
	if(!menuStorage[menuID] || !menuStorage[menuID].length) menuStorage[menuID] = new Array();
	menuStorage[menuID][level] = content;
}

function getMenu(menuID,level) { // MenuInhalt (HTML) auslesen 
	menuTop = '';
	if(menuStorage[menuID] && menuStorage[menuID].length && menuStorage[menuID][level]) return menuTop + menuStorage[menuID][level];
	else return '';
}

function updateMenu(menuID) { // Menu-Inhalt gepuffert in Browser ausgeben 
	if(!frames.length) return;
	if(updatetimeout[menuID]) clearTimeout(updatetimeout[menuID]);
	updatetimeout[menuID] = setTimeout('updateMenu1('+menuID+')',200);
}

function updateMenu1(menuID) {
	for(var i=0; i<mOutput[menuID].length; i++) {
		targetframe = eval(mOutput[menuID][i].split('~~')[0]);
		targetdiv = mOutput[menuID][i].split('~~')[1];
		
		if(ie) {
			if(targetframe.document.all[targetdiv]) targetframe.document.all[targetdiv].innerHTML = getMenu(menuID,i);
			if(targetframe.name == 'fMainnav') if(targetframe.initScroll) targetframe.initScroll('scrollObj1');
		}
		else if(w3c || mz || op) {
			if(targetframe.document.getElementById(targetdiv)) targetframe.document.getElementById(targetdiv).innerHTML = getMenu(menuID,i);
			if(targetframe.name == 'fMainnav') if(targetframe.initScroll) targetframe.initScroll('scrollObj1');
		}
		else if(ns4) {
			targetframe.location.reload();
		}
		else if(kq) {
			targetframe.document.location.href = targetframe.document.location.href;
		}
	}
}

function loadDoc(docID) { // Doc nach docID laden 
	var thismenu = getMenuEntryID(docID, 'menu');
	var thisentry = getMenuEntryID(docID, 'entry');
	if(entryGet(thismenu,thisentry,'contentpath')) thisPath = entryGet(thismenu,thisentry,'contentpath');
	else thisPath = contentpath;

	if(thismenu == -1 || thisentry == -1) self.contentFrame.location.href = thisPath + docID;  //nur laden? nix ändern? 
	else entryclick(thismenu,thisentry);
}

function getMenuEntryID(docID, IDtype) { // Eintragswerte zu docID finden 
	if(pages[docID]) {
		if(IDtype == 'menu') return pages[docID][0];
		if(IDtype == 'entry') return pages[docID][1];
	}
	else return -1;
}

function getPathinfo(docID, pathdelimiter) { // Pfad zu docID ausgeben 
	if(pathdelimiter) var delimiter = pathdelimiter;
	else var delimiter = ' / ';
	
	var islastentry = true;
	var isparentlevel = true;
	
	var thismenu = getMenuEntryID(docID, 'menu');
	var thisentry = getMenuEntryID(docID, 'entry');
	var pathinfo = '';
	do {
		if(islastentry) {
			pathinfo = delimiter + entryGet(thismenu, thisentry, 'label') + pathinfo;
			islastentry = false;
		}
		else {
			pathinfo = delimiter + '<a href="javascript:entryclick('+thismenu+','+thisentry+')">'+entryGet(thismenu, thisentry, 'label')+'</a>&nbsp;&nbsp;&nbsp;&nbsp;' + pathinfo;
		}
		thisentry = entryGet(thismenu, thisentry, 'parent');
	}
	while(entryGet(thismenu, thisentry, 'level') != 0 && thisentry != -1);
	//while(thisentry != -1);
	return pathinfo;
}

function check_activestatus(docID) { //passt Menu zum Content? 
	if(!contentFrame) return;
	if(docID) {
		var thismenu = getMenuEntryID(docID, 'menu');
		var thisentry = getMenuEntryID(docID, 'entry');
		if(thismenu == -1 || thisentry == -1) {
			if(fPathinfo) fPathinfo.set_pathstring('');
			init(0);
			return;  //nicht im Array? nix ändern?
		}
		if(!mParams[thismenu]) return;	//kein Menu definiert?
		else {
			if(activeDoc != docID) {
				entryclick(thismenu,thisentry,1,0,1);
			}
		}
	}
	if(contentFrame) if(contentFrame.doc_id) if(activeDoc != contentFrame.doc_id) check_activestatus(contentFrame.doc_id);	//Opera-Bug?
}


// **************************************************************************************

function entryGet(menuID, entryID, type) { // Eintrags-Eigenschaften holen 
	if(!menu[menuID] || !menu[menuID][entryID]) return false;
	menuentry = menu[menuID][entryID];
	if(type == 'label')   return menuentry[0];
	if(type == 'action')  return parseInt(menuentry[1]);
	if(type == 'docID')  	return menuentry[2];
	if(type == 'docURL')  return menuentry[3];
	if(type == 'level')   return parseInt(menuentry[4]);
	if(type == 'hilight') return parseInt(menuentry[5]);
	if(type == 'parent') return parseInt(menuentry[6]);
	if(type == 'mousetext') return menuentry[7];
	if(type == 'contentpath') return menuentry[8];
	if(type == 'next')  return menuentry[9];
	if(type == 'opened')  return opened[menuID][entryID]; 
	//return parseInt(menuentry[6]);
	return false;
}

function entrySet(menuID, entryID, type, value) { // Eintrags-Eigenschaften setzen 
	if(!menu[menuID] || !menu[menuID][entryID]) return false;
	menuentry = menu[menuID][entryID];
	if(type == 'label')   menuentry[0] = value;
	if(type == 'action')  menuentry[1] = value;
	if(type == 'docID')  	menuentry[2] = value;
	if(type == 'docURL')  menuentry[3] = value;
	if(type == 'level')   menuentry[4] = value;
	if(type == 'hilight') menuentry[5] = value;
	if(type == 'parent') menuentry[6] = value;
	if(type == 'mousetext') menuentry[7] = value;
	if(type == 'contentpath') menuentry[8] = value;
	if(type == 'next') menuentry[9] = value;
	if(type == 'opened')  opened[menuID][entryID] = value;
	//menuentry[6] = value;
	return false;
}

function getParam(menuID, type) { // Menu-Eigenschaften holen 
	if(!mParams[menuID]) return;
	mparam = mParams[menuID].split('|');
	if(type == 'menutype') 	return parseInt(mparam[0]);
	if(type == 'load_first_page') return parseInt(mparam[1]);
	if(type == 'keep_open') return parseInt(mparam[2]);
	if(type == 'closeable') return parseInt(mparam[3]);
	if(type == 'expanded') 	return parseInt(mparam[4]);
	if(type == 'highlight') return mparam[5];
}