MediaWiki:Common.js

MediaWiki interface page
Revision as of 13:50, 20 June 2016 by Philip (talk | contribs) (Created page with "→‎Any JavaScript here will be loaded for all users on every page load.: /** Collapsible tables ********************************************************* * * Descriptio...")
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/* Any JavaScript here will be loaded for all users on every page load. */
 
/** Collapsible tables *********************************************************
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *			   http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 *  Maintainers: [[en:User:R. Koot]]
 */
 
var autoCollapse = 2;
var collapseCaption = 'hide';
var expandCaption = 'show';
 
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 [[MediaWiki: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;
				}
			}
		}
	}
}
 
addOnloadHook( createCollapseButtons );
 
/** Test if an element has a certain class **************************************
 *
 * Description: Uses regular expressions and caching for better performance.
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 */
 
var hasClass = ( function() {
	var reCache = {};
	return function( element, className ) {
		return ( reCache[className] ? reCache[className] : ( reCache[className] = new RegExp( "(?:\\s|^)" + className + "(?:\\s|$)" ) ) ).test( element.className );
	};
})();
 
/** Dynamic Navigation Bars (experimental) *************************************
 *
 *  Description: See [[w:NavFrame]].
 *  Maintainers: UNMAINTAINED
 */
 
// set up the words in your language
var NavigationBarHide = '[' + collapseCaption + ']';
var NavigationBarShow = '[' + expandCaption + ']';
 
// 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 != null; NavChild = NavChild.nextSibling) {
            if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
                NavChild.style.display = 'none';
            }
        }
    NavToggle.firstChild.data = NavigationBarShow;
 
    // if hidden now
    } else if (NavToggle.firstChild.data == NavigationBarShow) {
        for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
            if (hasClass(NavChild, 'NavContent') || hasClass(NavChild, 'NavPic')) {
                NavChild.style.display = 'block';
            }
        }
        NavToggle.firstChild.data = NavigationBarHide;
    }
}
 
// adds show/hide-button to navigation bars
function createNavigationBarToggleButton()
{
    var indexNavigationBar = 0;
    // iterate over all < div >-elements 
    var divs = document.getElementsByTagName("div");
    for (var i = 0; NavFrame = divs[i]; i++) {
        // if found a navigation bar
        if (hasClass(NavFrame, "NavFrame")) {
 
            indexNavigationBar++;
            var NavToggle = document.createElement("a");
            NavToggle.className = 'NavToggle';
            NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar);
            NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
 
            var isCollapsed = hasClass( NavFrame, "collapsed" );
            /*
             * Check if any children are already hidden.  This loop is here for backwards compatibility:
             * the old way of making NavFrames start out collapsed was to manually add style="display:none"
             * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
             * the content visible without JavaScript support), the new recommended way is to add the class
             * "collapsed" to the NavFrame itself, just like with collapsible tables.
             */
            for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
                if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                    if ( NavChild.style.display == 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if (isCollapsed) {
                for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                    if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                        NavChild.style.display = 'none';
                    }
                }
            }
            var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : 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 (hasClass(NavFrame.childNodes[j], "NavHead")) {
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
                    NavFrame.childNodes[j].appendChild(NavToggle);
                }
            }
            NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
        }
    }
}
 
addOnloadHook( createNavigationBarToggleButton );
 
/* displayTimer.js taken from http://bulbapedia.bulbagarden.net/wiki/MediaWiki:Monobook.js
   Add the following to [[Special:MyPage/vector.js|your vector.js]] file for customisation:
   timerDisplay = false; // de-activates the timer
   timerTimezone = [offset]; // set the timer offset, e.g. timerTimezone = +10; for AEST */
hookEvent( 'load', displayTimer );
function displayTimer ()
{
  if ( typeof( timerDisplay ) !== 'undefined' && timerDisplay === false )
    return;
 
  var date;
  var timerParent = document.getElementById( 'p-personal' ).getElementsByTagName( 'ul' )[0];
  var timerLink   = document.createElement( 'a' );
  var timerObj    = document.createElement( 'li' );
  timerLink.href               = '/index.php?title=' + wgPageName + '&action=purge';
  timerLink.title              = 'Purge the server cache and update the contents of this page.'
  timerObj.id                  = 'pt-timer';
  timerObj.style.textTransform = 'none';
  timerObj.style.fontWeight    = 'bold';
  timerObj.style.fontSize      = '72%';
  timerObj.appendChild( timerLink );
  timerParent.insertBefore( timerObj, timerParent.firstChild );
 
  function actualizeUTC ()
  {
    timerDate           = new Date();
    timerLink.innerHTML = ( timerDate.getUTCHours()   < 10 ? '0' : '' ) + timerDate.getUTCHours()   + ':'
                        + ( timerDate.getUTCMinutes() < 10 ? '0' : '' ) + timerDate.getUTCMinutes() + ':'
                        + ( timerDate.getUTCSeconds() < 10 ? '0' : '' ) + timerDate.getUTCSeconds() + ' (UTC)';
  }
 
  function actualizeCustom ()
  {
    timerDate           = new Date();
    timerDate.setMinutes( timerDate.getMinutes() + timerDate.getTimezoneOffset() + timerTimezone * 60 );
    timerLink.innerHTML = ( timerDate.getHours()   < 10 ? '0' : '' ) + timerDate.getHours()   + ':'
                        + ( timerDate.getMinutes() < 10 ? '0' : '' ) + timerDate.getMinutes() + ':'
                        + ( timerDate.getSeconds() < 10 ? '0' : '' ) + timerDate.getSeconds()
                        + ' (UTC' + ( timerTimezone < 0 ? '' : '+' ) + timerTimezone + ')';
  }
 
  // start
  if ( typeof( timerTimezone ) !== 'number' )
  {
    actualizeUTC();
    setInterval( actualizeUTC, 1000 );
  }
  else
  {
    actualizeCustom();
    setInterval( actualizeCustom, 1000 );
  }
}
 
// Add a new section link to the bottom of discussion pages
function addsectionbottom() {
  if (!wgIsArticle) return;
  if ((document.URL.indexOf('?')>=0) && (document.URL.indexOf('action=delete')>=0)) return;
  var caplus;
  if (!(caplus = document.getElementById("ca-addsection"))) return;
  var addsection = document.createElement("span");
  addsection.innerHTML = "<h3> <a " + "href=\"" + caplus.childNodes[0].getAttribute("href") + 
                         "\" title=\"" + caplus.childNodes[0].getAttribute("title") +
                         "\" accesskey=\"" + caplus.childNodes[0].getAttribute("accesskey") + 
                         "\" >" + (skin == "vector" ? "<span> Add topic</span>" : "<span> Add section</span>" ) + "</a> </h3>"
  addsection.className = "noprint";
  addsection.id = "addsectionbottom";
  var content;
  if (!(content = document.getElementById("bodyContent"))) return;
  var catlinks = document.getElementById("catlinks");
  if (catlinks == null)
  {
    content.appendChild(addsection);
  } else {
    content.insertBefore(addsection, catlinks);
  }
}
addOnloadHook(addsectionbottom);
 
// Highlight recent changes
hookEvent( 'load', recentChangesHighlights );
function recentChangesHighlights() {
	if ( wgPageName == 'Special:RecentChanges' ) { 
		var targetContent = document.getElementById( 'bodyContent' );
		var rows = targetContent.getElementsByTagName( 'li' );
		for ( var l = 0; l < rows.length; l++ ) {
			liHTML = rows[l].innerHTML
			liText = rows[l].textContent;
			if ( liHTML.indexOf( '/index.php?title=Special:Log/' ) != -1 ) {
				rows[l].style.backgroundColor = '#DDF';
			}
			if ( liHTML.indexOf( '/index.php?title=Special:Log/block' ) != -1 || liHTML.indexOf( '/index.php?title=Special:Log/delete' ) != -1 ) {
				rows[l].style.backgroundColor = '#FCC';
			}
			if ( liHTML.indexOf( 'class="newpage"' ) != -1 ) {
				rows[l].style.backgroundColor = '#DFD';
			}
			if ( liHTML.indexOf( 'class="minor"' ) != -1 ) {
				rows[l].style.backgroundColor = '#FEF';
			}
		}
	}
}