മീഡിയവിക്കി:Common.js

/* ഇവിടെ നൽകുന്ന ജാവാസ്ക്രിപ്റ്റ് എല്ലാ ഉപയോക്താക്കൾക്കും, എല്ലാ താളുകളിലും പ്രവർത്തിക്കുന്നതായിരിക്കും */
/*
== Dynamic Navigation Bars (experimental) ==
<pre> */
// BEGIN Dynamic Navigation Bars (experimental)
// FIXME: currently only works for one nav bar on a page at a time
// ===============================================
 
// set up the words in your language
var NavigationBarHide = '[മറയ്ക്കുക]';
var NavigationBarShow = '[പ്രദർശിപ്പിക്കുക]';
 
// set up max count of Navigation Bars on page,
// if there are more, all will be hidden
// NavigationBarShowDefault = 0; // all bars will be hidden
// NavigationBarShowDefault = 1; // on pages with more than 1 bar all bars will be hidden
var NavigationBarShowDefault = 1;
//Honor the User Preferences
if ( getCookie('WikipediaPreferencesShowNav') != 'true' ) {
	NavigationBarShowDefault = 0;
} else {
	if ( wgNamespaceNumber == 0 ) NavigationBarShowDefault = 999 ;
}
/* </pre> */
 
 
/*
=== toggleNavigationBar ===*
<pre> */
// shows and hides content and picture (if available) of navigation bars
// Parameters:
//     indexNavigationBar: the index of navigation bar to be toggled
function toggleNavigationBar(indexNavigationBar)
{
	var NavToggle = document.getElementById("NavToggle" + indexNavigationBar);
	var NavFrame = document.getElementById("NavFrame" + indexNavigationBar);
 
	if (!NavFrame || !NavToggle) {
		return false;
	}
 
	// if shown now
	if (NavToggle.firstChild.data == NavigationBarHide) {
		for (
			var NavChild = NavFrame.firstChild;
			NavChild;
			NavChild = NavChild.nextSibling
			) {
			if (NavChild.className == 'NavPic') {
				NavChild.style.display = 'none';
			}
			if (NavChild.className == 'NavContent') {
				NavChild.style.display = 'none';
			}
		}
		NavToggle.firstChild.data = NavigationBarShow;
 
	// if hidden now
	} else if (NavToggle.firstChild.data == NavigationBarShow) {
		for (
			var NavChild = NavFrame.firstChild;
			NavChild;
			NavChild = NavChild.nextSibling
			) {
			if (NavChild.className == 'NavPic') {
				NavChild.style.display = 'block';
			}
			if (NavChild.className == 'NavContent') {
				NavChild.style.display = 'block';
			}
		}
		NavToggle.firstChild.data = NavigationBarHide;
	}
}
/* </pre> */
 
 
/*
=== createNavigationBarToggleButton ===
<pre> */
// adds show/hide-button to navigation bars
function createNavigationBarToggleButton()
{
	var indexNavigationBar = 0;
	// iterate over all < div >-elements
	for(
		var i=0;
		NavFrame = document.getElementsByTagName("div")[i];
		i++
		) {
		// if found a navigation bar
		if (NavFrame.className == "NavFrame") {
 
			indexNavigationBar++;
			var NavToggle = document.createElement("a");
			NavToggle.className = 'NavToggle';
			NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
			NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
 
			var NavToggleText = document.createTextNode(NavigationBarHide);
			NavToggle.appendChild(NavToggleText);
			// Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
			for(
				var j=0;
				j < NavFrame.childNodes.length;
				j++
				) {
				if (NavFrame.childNodes[j].className == "NavHead") {
					NavFrame.childNodes[j].appendChild(NavToggle);
				}
			}
			NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
		}
	}
	// if more Navigation Bars found than Default: hide all
	if (NavigationBarShowDefault < indexNavigationBar) {
		for(
			var i=1;
			i<=indexNavigationBar;
			i++
			) {
			toggleNavigationBar(i);
		}
	}
 
}
 
$(createNavigationBarToggleButton);
 
// END Dynamic Navigation Bars
// ======================
/* </pre> */

/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *               [[Wikipedia:NavFrame]].
 *  Maintainers: [[User:R. Koot]]
 */
 
var autoCollapse = 2;
var collapseCaption = "മറയ്ക്കുക";
var expandCaption = "പ്രദർശിപ്പിക്കുക";
 
function collapseTable( tableIndex )
{
	var Button = document.getElementById( "collapseButton" + tableIndex );
	var Table = document.getElementById( "collapsibleTable" + tableIndex );
 
	if ( !Table || !Button ) {
		return false;
	}
 
	var Rows = Table.rows;
 
	if ( Button.firstChild.data == collapseCaption ) {
		for ( var i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = "none";
		}
		Button.firstChild.data = expandCaption;
	} else {
		for ( var i = 1; i < Rows.length; i++ ) {
			Rows[i].style.display = Rows[0].style.display;
		}
		Button.firstChild.data = collapseCaption;
	}
}
 
function createCollapseButtons()
{
	var tableIndex = 0;
	var NavigationBoxes = new Object();
	var Tables = document.getElementsByTagName( "table" );
 
	for ( var i = 0; i < Tables.length; i++ ) {
		if ( hasClass( Tables[i], "collapsible" ) ) {
 
			/* only add button and increment count if there is a header row to work with */
			var HeaderRow = Tables[i].getElementsByTagName( "tr" )[0];
			if (!HeaderRow) continue;
			var Header = HeaderRow.getElementsByTagName( "th" )[0];
			if (!Header) continue;
 
			NavigationBoxes[ tableIndex ] = Tables[i];
			Tables[i].setAttribute( "id", "collapsibleTable" + tableIndex );
 
			var Button     = document.createElement( "span" );
			var ButtonLink = document.createElement( "a" );
			var ButtonText = document.createTextNode( collapseCaption );
 
			Button.className = "collapseButton";  //Styles are declared in Common.css
 
			ButtonLink.style.color = Header.style.color;
			ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
			ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ");" );
			ButtonLink.appendChild( ButtonText );
 
			Button.appendChild( document.createTextNode( "[" ) );
			Button.appendChild( ButtonLink );
			Button.appendChild( document.createTextNode( "]" ) );
 
			Header.insertBefore( Button, Header.childNodes[0] );
			tableIndex++;
		}
	}
 
	for ( var i = 0;  i < tableIndex; i++ ) {
		if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) {
			collapseTable( i );
		}
		else if ( hasClass( NavigationBoxes[i], "innercollapse" ) ) {
			var element = NavigationBoxes[i];
			while (element = element.parentNode) {
				if ( hasClass( element, "outercollapse" ) ) {
					collapseTable ( i );
					break;
				}
			}
		}
	}
}
 
$( createCollapseButtons );
 
var hasClass = (function () {
	var reCache = {};
	return function (element, className) {
		return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
	};
})();