// IAEA Bulletin JavaScript

//  Set up all accordions
function loadArchiveAccordions() {
    var archiveAccordion = new accordion('archive_accordion');
    // Open first one
    archiveAccordion.activate($$('#archive_accordion .accordion_toggle')[0]);
    $$('#archive_accordion .accordion_toggle a')[0].addClassName('opened');
}

function setArchiveAccordionsNav() {
    var nav = $$('#archive_accordion .accordion_toggle a');
    
    nav.each(function (element, index) {
        Event.observe(element, "click", function () {
            closeAllAccordionsNav(index, nav);
            element.toggleClassName('opened');
        });
    });
    
    function closeAllAccordionsNav(current, nav) {
        nav.each(function (element, index) {
            if (index !== current) {
                nav[index].removeClassName('opened');
            }
        });
    }
}

//  Toggle Advanced Search
function toggleAdvancedSearch() {
    Event.observe("toggle-advanced-search", "click", function (event) {
        Effect.toggle("advanced-search", "slide");
        $("toggle-advanced-search").toggleClassName('opened');
        Event.stop(event);
    });
}

//  Toggle Table of Contents
function toggleTOC() {
    Event.observe("toggle-toc", "click", function (event) {
        Effect.toggle("toc-slider", "slide");
        $("toggle-toc").toggleClassName('opened');
        Event.stop(event);
    });
}

//  Toggle Search field focus
function bulletinSearchFieldFocus() {
    var search_field = $$("#bulletin-search .text-input");
    Event.observe(search_field[0], "focus", function () {
        search_field[0].addClassName("focus");
    });
    
    Event.observe(search_field[0], "blur", function () {
        search_field[0].removeClassName("focus");
    });
}

// Tabs
function bulletinTabs() {
    var links = $$('.issues-nav li a');
    var contents = $$('.issues');
    links.each(function (element, index) {
        Event.observe(links[index], "click", function (event) {
            if (contents[index] !== undefined) {
                bulletinCloseTabs(contents[index].parentNode);
                links[index].toggleClassName('current');
                contents[index].addClassName('issues-display');
            }
            Event.stop(event);
        });
    });

}

// Close all content tabs and remove active state from all nav tabs in particular accordion
function bulletinCloseTabs(accordion) {
    var links = accordion.getElementsBySelector('.issues-nav li a');
    var elements = accordion.getElementsBySelector('.issues');
    
    for (var i = 0; i < elements.length; i++ ) {
        elements[i].removeClassName('issues-display');
        links[i].removeClassName('current');
    }
}
//  Fix Mac Firefox Bug
function fixMacFirefox() {
    if (BrowserDetect.browser == 'Firefox' && BrowserDetect.OS == 'Mac') {
        $("bulletin_hornav").addClassName('mac-ff-fix');
    } 
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();
Event.observe(window, 'load', fixMacFirefox, false);