// $Header: /usr/local/cvsroot/district/web/lib/top_nav_menu.js,v 4.43.2.1 2007/11/08 20:57:40 jpd Exp $



CMECF.namespace("MainMenu");



// Functions from YAHOO.

CMECF.util.Event = YAHOO.util.Event;
CMECF.util.Dom = YAHOO.util.Dom;
CMECF.util.Connect = YAHOO.util.Connect;

CMECF.widget.Panel = YAHOO.widget.Panel;
CMECF.widget.Module = YAHOO.widget.Module;

CMECF.MainMenu.Menu = YAHOO.widget.Menu;
CMECF.MainMenu.MenuItem = YAHOO.widget.MenuItem;
CMECF.MainMenu.MenuBar = YAHOO.widget.MenuBar;
CMECF.MainMenu.MenuBarItem = YAHOO.widget.MenuBarItem;

CMECF.MainMenu.OverlayManager = new YAHOO.widget.OverlayManager();

// Override YAHOO default images.

CMECF.MainMenu.MenuItem.prototype.COLLAPSED_SUBMENU_INDICATOR_TEXT = ">";
CMECF.MainMenu.MenuItem.prototype.EXPANDED_SUBMENU_INDICATOR_TEXT = ">";
CMECF.MainMenu.MenuItem.prototype.DISABLED_SUBMENU_INDICATOR_TEXT = "X";
CMECF.MainMenu.MenuBarItem.prototype.COLLAPSED_SUBMENU_INDICATOR_TEXT = "v";
CMECF.MainMenu.MenuBarItem.prototype.EXPANDED_SUBMENU_INDICATOR_TEXT = "v";
CMECF.MainMenu.MenuBarItem.prototype.DISABLED_SUBMENU_INDICATOR_TEXT = "X";



CMECF.MainMenu.hideSubmenus = function() {

	if (CMECF.MainMenu.TopMenu.activeItem) {
		var oSubmenu = CMECF.MainMenu.TopMenu.activeItem.cfg.getProperty("submenu");
		if (oSubmenu) {
			oSubmenu.hide();
		}
	}
	CMECF.MainMenu.focusOnFirstItem();
};



CMECF.MainMenu.focusOnMainMenuItem = function (menuObject) {

	var oActiveItem = menuObject.parent.activeItem;

	// Hide any other submenus this might be visible

	if (oActiveItem && oActiveItem != menuObject) {
		menuObject.parent.clearActiveItem();
	}

	// Select and focus the current MenuItem instance

	menuObject.cfg.setProperty("selected", true);
	menuObject.focus();

	// Show the submenu for this instance

	var oSubmenu = menuObject.cfg.getProperty("submenu");

	if (oSubmenu) {
		oSubmenu.show();
	}
};



CMECF.MainMenu.addMainMenuItem = function (menubar_item, object_name, hot_key_code) {

	if (object_name) {
		menubar_item.cfg.setProperty('submenu', { id: object_name, itemdata: CMECF.MainMenu.oMenuData[object_name], useClass: "cmecfsubmenu1"});
	}

	if ( ! CMECF.MainMenu.hotkeys) {
		CMECF.MainMenu.hotkeys = new Object();
	}
	if (hot_key_code) {
		CMECF.MainMenu.hotkeys[hot_key_code] = menubar_item;
	}
};



CMECF.MainMenu.preloadMenuImages = function () {

	// pre-loading images
	CMECF.MainMenu.onImgArray = new Array();
	CMECF.MainMenu.onImgArray["helpImage"] = new Image();
	CMECF.MainMenu.onImgArray["helpImage"].src = "/graphics/menubar-help-hover.gif";

	CMECF.MainMenu.offImgArray = new Array();
	CMECF.MainMenu.offImgArray["helpImage"] = new Image();
	CMECF.MainMenu.offImgArray["helpImage"].src = "/graphics/menubar-help-out.gif";
};



CMECF.MainMenu.imageOn = function (image) {
	if(CMECF.MainMenu.imageHoverTimeout) window.clearTimeout(CMECF.MainMenu.imageHoverTimeout);
	CMECF.MainMenu.imageHoverTimeout = window.setTimeout("document.images['"+image+"'].src = CMECF.MainMenu.onImgArray['"+image+"'].src", 300);
	return true;
};



CMECF.MainMenu.imageOff = function (image) {
	if(document.images[image].src != CMECF.MainMenu.onImgArray[image].src)
		window.clearTimeout(CMECF.MainMenu.imageHoverTimeout);
	else
		document.images[image].src = CMECF.MainMenu.offImgArray[image].src;

	return true;
};



CMECF.MainMenu.hotKeys = function (v, checkKeyCode) {

	var code = v.keyCode;

	if (code == 27) {
		CMECF.MainMenu.hideSubmenus();
		CMECF.MainMenu.TopMenu.clearActiveItem();
		window.setTimeout(CMECF.MainMenu.focusOnFirstItem, 0);
		return false;
	}
	else if (v.altKey && CMECF.MainMenu.hotkeys[code]) {
		CMECF.MainMenu.focusOnMainMenuItem(CMECF.MainMenu.hotkeys[code]);
		return false;
	}

	return true;
};



CMECF.MainMenu.focusOnFirstItem = function () {

	var firstForm = document.forms[0];
	if (firstForm) {
		for (var elementIndex = 0; elementIndex < firstForm.elements.length; elementIndex++) {
			var formElement = firstForm.elements[elementIndex];
			if (formElement.type != 'hidden') {
				formElement.focus();
				return 1;
			}
		}
	}
	var content = document.getElementById('cmecfMainContent');
	if (content) {
		// Avoid Firefox error when focusing on something with autocomplete on or unset.
		if (content.setAttribute) {
			content.setAttribute('autocomplete', 'off');
		}
		if (content.focus) {
			content.focus();
		}
	}
};



CMECF.MainMenu.renderMainMenu = function (top_object) {

	// Hide the menu if this was inside a pop-up.
	try {
		if (self.opener && self.opener.CMECF) {
			document.getElementById('cmecfLogo').style.display='none';
			document.getElementById('helpImage').style.display='none';
			document.getElementById('topmenu').style.display='none';
			document.getElementById('cmecfMainContent').style.height='100%';
			return false;
		}
	} catch(e) {}

	top_object.render();
	top_object.show();
	CMECF.MainMenu.setMainContentSize();

	CMECF.util.Event.addListener(window, "resize", CMECF.MainMenu.setMainContentSize);
	CMECF.util.Event.addListener(document, "keydown", CMECF.MainMenu.hotKeys);

	CMECF.MainMenu.preloadMenuImages();
};


CMECF.MainMenu.contentScrolled = function (v) {
	CMECF.MainMenu.mainContentScroll.value = CMECF.MainMenu.mainContent.scrollTop;
};
  	 
  	 
  	 
CMECF.MainMenu.setContentScroll = function (v) {
	if (CMECF.MainMenu.mainContentScroll.value > 0) {
		CMECF.MainMenu.mainContent.scrollTop = CMECF.MainMenu.mainContentScroll.value;
	}
	CMECF.util.Event.addListener(CMECF.MainMenu.mainContent, "scroll", CMECF.MainMenu.contentScrolled);
};


CMECF.MainMenu.setMainContentSize = function() {
	if (!CMECF.MainMenu.mainContent) {
		CMECF.MainMenu.mainContent = document.getElementById('cmecfMainContent');
	}
	if (CMECF.MainMenu.mainContent) {
		var topmenu = document.getElementById('topmenu');
		var windowHeight = CMECF.MainMenu.getWindowHeight();
		var barHeight = topmenu.offsetHeight;
		// One pixel fewer, just for good measure. Sometimes the browser will let you shift the page up and down otherwise.
		CMECF.MainMenu.mainContent.style.height = (windowHeight - barHeight - 1);

		CMECF.MainMenu.mainContentScroll = document.getElementById('cmecfMainContentScroll');

		if (navigator.appVersion.indexOf("MSIE")==-1) {
			CMECF.util.Event.addListener(window, "load", CMECF.MainMenu.setContentScroll);
		}
		else {
			// IE will already run this function after loading.
			CMECF.MainMenu.setContentScroll();
		}
	}
	else {
		window.setTimeout(CMECF.MainMenu.setMainContentSize, 10);
	}
};



CMECF.MainMenu.getWindowHeight = function() {
	if (typeof(window.innerWidth) == 'number') {
		return window.innerHeight;
	}
	if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
		return document.documentElement.clientHeight;  // IE 6, compliant
	}
	if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
		return document.body.clientHeight; // IE 4
	}
	return 600;
};



// Help functions

CMECF.MainMenu.courtInformationPanel;

CMECF.MainMenu.showCourtInformation = function() {

	if (!CMECF.MainMenu.courtInformationPanel) {
		CMECF.MainMenu.courtInformationPanel = new CMECF.widget.Panel("thiscourtinformation", {
			width:"400px",
			fixedcenter:true,
			constraintoviewport:true,
			close:true,
			visible:false,
			draggable:true
		});
		CMECF.MainMenu.courtInformationPanel.setHeader("Court Summary");
		CMECF.MainMenu.courtInformationPanel.setBody(CMECF.MainMenu.courtInformation);
		CMECF.MainMenu.courtInformationPanel.render(document.body);
	}
	CMECF.MainMenu.courtInformationPanel.show();
};



CMECF.MainMenu.helpPanel;

CMECF.MainMenu.showHelpPage = function(alternateHelp) {

	if (!CMECF.MainMenu.helpPanel) {
		CMECF.MainMenu.helpPanel = new CMECF.widget.Panel("helpPage", {
			width:"400px",
			height:"400px",
			fixedcenter:true,
			constraintoviewport:true,
			close:true,
			visible:false,
			draggable:true
		});
		CMECF.MainMenu.helpPanel.setHeader("Help");
		CMECF.MainMenu.helpPanel.setBody("<h3>Getting help text.</h3>");
		CMECF.MainMenu.helpPanel.render(document.body);

		if (alternateHelp) {
			document.cookie = "HELP=" + alternateHelp;
		} else {
			document.cookie = "HELP=" + document.location;
		}

		var number = Math.random();
		CMECF.util.Connect.asyncRequest("GET", "chelp.pl?number=" + number, { success:CMECF.MainMenu.updateHelpPage });
	}
	CMECF.MainMenu.helpPanel.show();
};



CMECF.MainMenu.updateHelpPage = function(o) {

	var response = o.responseText;

	if (CMECF.MainMenu.helpPanel) {
		CMECF.MainMenu.helpPanel.setBody(response);
		CMECF.MainMenu.helpPanel.body.style.height = "365px";
	}
};



CMECF.MainMenu.searchPanel;

CMECF.MainMenu.searchPrompt = function() {

	if (!CMECF.MainMenu.searchPanel) {
		CMECF.MainMenu.searchPanel = new CMECF.widget.Panel("search", {
			width:"400px",
			context:['cmecfMainContent','tr','tr'],
			constraintoviewport:true,
			close:true,
			visible:false,
			draggable:true
		});
		CMECF.MainMenu.searchPanel.setHeader("Search Menus and Events");
		CMECF.MainMenu.searchPanel.setBody(CMECF.MainMenu.searchPage);
		CMECF.MainMenu.searchPanel.render(document.body);
	}
	CMECF.MainMenu.searchPanel.show();
	window.setTimeout("document.getElementById('searchTerm').focus();",0);

};