Mercurial > hg > digilib-old

changeset 14:2aa1205e3b71 vendor

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First import of client module
author robcast
date Thu, 17 Jan 2002 15:29:52 +0100
parents c46867558f1d
children 1bf86dca706b
files client/digitallibrary/buttons/menu.js
diffstat 1 files changed, 228 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/digitallibrary/buttons/menu.js	Thu Jan 17 15:29:52 2002 +0100
@@ -0,0 +1,228 @@
+function checkBrowser(){
+	this.ver = navigator.appVersion;
+	this.dom = document.getElementById ? 1 : 0;
+	this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom) ? 1 : 0;
+	this.ie4 = (document.all && !this.dom) ? 1 : 0;
+	this.ns5 = (this.dom && parseInt(this.ver) >= 5) ? 1 : 0;
+	this.ns4 = (document.layers && !this.dom) ? 1 : 0;
+	this.ie = (this.ie4 || this.ie5);
+	return this;
+}
+
+browser = new checkBrowser();
+
+function changeBc(obj, color){
+	var div;
+
+	if (color == '' && browser.ns4) color = null;
+
+	if (browser.ns4) div = document.layers[obj];
+	else if (browser.dom) div = document.getElementById(obj).style;
+	else if (browser.ie) div = document.all[obj].style;
+
+	if (browser.dom || browser.ie) div.backgroundColor = color;
+	if (browser.ns4) div.bgColor = color;
+}
+
+function makeArray(n){
+	this.length = n;
+	for (var i = 0; i < n; i++) {
+		this[i] = new Image();
+	}
+	
+	return this;
+}
+
+function preloadImages() {
+	over = new makeArray(document.images.length);
+	away = new makeArray(document.images.length);
+
+	for (i = 0; i < document.images.length; i++) {
+		currName = document.images[i].src.slice(0, document.images[i].src.lastIndexOf('.')-1);
+		away[i].src = currName + "0.gif";
+		over[i].src = currName + "1.gif";
+	}
+}
+
+function overButton(n) {
+	currButton = document.images[n];
+
+	currButton.src = over[n].src;
+	if (showHelp) contextHelp(n);
+}
+
+function awayButton(n) {
+	currButton = document.images[n];
+
+	currButton.src = away[n].src;
+}
+
+function overItem(obj) {
+	changeBc("menu" + obj, '#770000');
+	clearTimeout(timeID);
+}
+
+function awayItem(obj) {
+	changeBc("menu" + obj, '');
+	timeID = setTimeout("hideMenu()", 700);
+}
+
+var timeID = null;
+
+function changeMark(obj) {
+	var object;
+	
+	if (browser.ns4) object = document.layers["menu" + obj].document.images[0];
+	else if (browser.dom) object = document.getElementById("mark" + obj);
+	else if (browser.ie) object = document.all["mark" + obj];
+	
+	var path = object.src.slice(0, object.src.lastIndexOf('/')+1);
+	
+	object.src = (object.src.indexOf("nomark") > -1) ? path + "mark.gif" : path + "nomark.gif";
+}
+
+function showMenu(obj) {
+	menu(obj, true);
+}
+
+function menu(obj, show) {
+	var currObj = "menu" + obj;
+	var idx = 0;
+	while(true) {
+		if (browser.ns4 && document.layers[currObj]) document.layers[currObj].visibility = (show) ? "show" : "hide";
+		else if (browser.dom && document.getElementById(currObj)) document.getElementById(currObj).style.visibility = (show) ? "visible" : "hidden";
+		else if (browser.ie && document.all[currObj]) document.all[currObj].style.visibility = (show) ? "visible" : "hidden";
+		else break;
+		
+		currObj = "menu" + obj + (++idx);
+	}
+	if (!show) activeMenu = '';
+	else activeMenu = obj;
+
+	timeID = setTimeout("hideMenu()", 2000);
+}
+
+function hideMenu() {
+	if (activeMenu != '') menu(activeMenu, false);
+	clearTimeout(timeID);
+}
+
+var activeMenu = '';
+
+
+// just to be sure, that no buffer overflow can arrive
+var semaphor = true;
+
+function contextHelp(n) {
+
+	if (helpWindow.closed) {
+		changeMark(31);
+		changeHelp();
+		return;
+	}
+
+	if ((navigator.appVersion.indexOf("Macintosh") < 0) && semaphor) {
+		semaphor = false;	
+		var help = helpText[n].split("|");
+	
+		helpWindow.focus();
+		helpWindow.document.open();
+		helpWindow.document.write('<html><head><title>Context Help</title>');
+		helpWindow.document.write('<style type="text/css">');
+		helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
+		helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
+		helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7" onload="opener.semaphor = true;">');
+		helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
+		helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
+		helpWindow.document.write(help[1] + '</tr></td></table></body></html>');
+		helpWindow.document.close();	
+
+		// stupid workaround because of netscape 6, that doesen't know the opener property
+		// this workaround is still ok cause netscape 6 has eventbuffer checks so no overflow
+    	if (browser.ns5) {
+        	semaphor = true;
+		}
+	}
+	
+}
+
+function openContextHelp() {
+	if (navigator.appVersion.indexOf("Macintosh") > -1) {
+		openContextHelpMac();
+		return;
+	}
+
+	semaphor = false;
+	
+	var winWidth = 270;
+	var winHeight = 130;
+
+	var xScreen = 0.9*(screen.width-winWidth);
+	var yScreen = 0.8*(screen.height-winHeight);
+
+	helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen);
+
+	helpWindow.focus();
+	helpWindow.document.open();
+	helpWindow.document.write('<html><head><title>Context Help</title>');
+	helpWindow.document.write('<style type="text/css">');
+	helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
+	helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
+	helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
+	helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
+	helpWindow.document.write('Context Help</tr><tr><td class="text">');
+	helpWindow.document.write('Move over any button to get some more information about its function</tr></td></table></body></html>');
+	helpWindow.document.close();
+	
+	// for some safety reason help-requests have to be blocked while opening the window
+	setTimeout("semaphor = true;", 200);
+}
+
+// because macs have a strange window focus behaviour we have to go a special
+// way for them - just opening a window that contains all button-descriptions
+function openContextHelpMac() {
+
+	var winWidth = 270;
+	var winHeight = 600;
+
+	var xScreen = 0.9*(screen.width-winWidth);
+	var yScreen = 0.8*(screen.height-winHeight);
+
+	helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen + ",scrollbars");
+
+	helpWindow.focus();
+	helpWindow.document.open();
+	helpWindow.document.write('<html><head><title>Context Help Macintosh</title>');
+	helpWindow.document.write('<style type="text/css">');
+	helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
+	helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
+	helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
+	helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3">');
+
+	for (n = 0; n < helpText.length; n++) {
+
+		help = helpText[n].split("|");
+		helpWindow.document.write('<tr><td bgcolor="#666666" class="title">');
+		helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
+		helpWindow.document.write('<p>' + help[1] + '<br>&nbsp;</p></tr></td>');
+	}
+	helpWindow.document.write('</table></body></html>');
+	helpWindow.document.close();	
+}
+
+
+function closeContextHelp() {
+	if (helpWindow != '' && !helpWindow.closed) {
+		helpWindow.close();
+	}
+	helpWindow = '';
+}
+
+function changeHelp() {
+	showHelp = !showHelp;
+	showHelp ? openContextHelp() : closeContextHelp();
+}
+
+
+// variable containing the contextwindow
+var helpWindow = '';
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