Difference between revisions of "MediaWiki:Common.js"

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/* Any JavaScript here will be loaded for all users on every page load. */
 
/* Any JavaScript here will be loaded for all users on every page load. */
  
/* Test if an element has a certain class **************************************
+
/** Collapsible tables *********************************************************
  *
 
  * 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);
 
    };
 
})();
 
 
 
// ============================================================
 
// BEGIN Dynamic Navigation Bars (experimantal)
 
// This script is from Wikipedia. For author attribution, please see http://en.wikipedia.org/w/index.php?title=MediaWiki:Common.js&action=history
 
 
 
 
 
/* Test if an element has a certain class **************************************
 
 
  *
 
  *
  * Description: Uses regular expressions and caching for better performance.
+
  * Description: Allows tables to be collapsed, showing only the header. See
  * Maintainers: User:Mike Dillon, User:R. Koot, User:SG
+
  *               http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
 +
*  Maintainers: [[**MAINTAINERS**]]
 
  */
 
  */
 
+
var autoCollapse = 2;
/** Collapsible tables *********************************************************
+
var collapseCaption = 'hide';
  *
+
var expandCaption = 'show';
  * Description: Allows tables to be collapsed, showing only the header. See
+
   
  *              [[Wikipedia:NavFrame]].
+
function collapseTable( tableIndex ) {
  *  Maintainers: [[User:R. Koot]]
+
var Button = document.getElementById( 'collapseButton' + tableIndex );
  */
+
var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
   
 
   
var autoCollapse = 2;
+
if ( !Table || !Button ) {
var collapseCaption = "hide";
+
return false;
var expandCaption = "show";
+
}
 
   
 
   
function collapseTable( tableIndex )
+
var Rows = Table.rows;
{
 
    var Button = document.getElementById( "collapseButton" + tableIndex );
 
    var Table = document.getElementById( "collapsibleTable" + tableIndex );
 
 
   
 
   
    if ( !Table || !Button ) {
+
if ( Button.firstChild.data == collapseCaption ) {
        return false;
+
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;
 +
}
 +
}
 
   
 
   
    var Rows = Table.getElementsByTagName( "tr" );  
+
function createCollapseButtons() {
 +
var tableIndex = 0;
 +
var NavigationBoxes = new Object();
 +
var Tables = document.getElementsByTagName( 'table' );
 
   
 
   
    if ( Button.firstChild.data == collapseCaption ) {
+
for ( var i = 0; i < Tables.length; i++ ) {
        for ( var i = 1; i < Rows.length; i++ ) {
+
if ( hasClass( Tables[i], 'collapsible' ) ) {
            Rows[i].style.display = "none";
+
/* only add button and increment count if there is a header row to work with */
        }
+
var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
        Button.firstChild.data = expandCaption;
+
if( !HeaderRow ) continue;
    } else {
+
var Header = HeaderRow.getElementsByTagName( 'th' )[0];
        for ( var i = 1; i < Rows.length; i++ ) {
+
if( !Header ) continue;
            Rows[i].style.display = Rows[0].style.display;
 
        }
 
        Button.firstChild.data = collapseCaption;
 
    }
 
}
 
 
   
 
   
function createCollapseButtons()
+
NavigationBoxes[tableIndex] = Tables[i];
{
+
Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
    var tableIndex = 0;
 
    var NavigationBoxes = new Object();
 
    var Tables = document.getElementsByTagName( "table" );
 
 
   
 
   
    for ( var i = 0; i < Tables.length; i++ ) {
+
var Button    = document.createElement( 'span' );
        if ( hasClass( Tables[i], "collapsible" ) ) {
+
var ButtonLink = document.createElement( 'a' );
            NavigationBoxes[ tableIndex ] = Tables[i];
+
var ButtonText = document.createTextNode( collapseCaption );
            Tables[i].setAttribute( "id", "collapsibleTable" + tableIndex );
 
 
   
 
   
            var Button     = document.createElement( "span" );
+
Button.className = 'collapseButton'; // Styles are declared in MediaWiki:Common.css
            var ButtonLink = document.createElement( "a" );
 
            var ButtonText = document.createTextNode( collapseCaption );
 
 
   
 
   
            Button.style.styleFloat = "right";
+
ButtonLink.style.color = Header.style.color;
            Button.style.cssFloat = "right";
+
ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
            Button.style.fontWeight = "normal";
+
ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
            Button.style.textAlign = "right";
+
ButtonLink.appendChild( ButtonText );
            Button.style.width = "6em";
 
 
   
 
   
            ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
+
Button.appendChild( document.createTextNode( '[' ) );
            ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ");" );
+
Button.appendChild( ButtonLink );
            ButtonLink.appendChild( ButtonText );
+
Button.appendChild( document.createTextNode( ']' ) );
 
   
 
   
            Button.appendChild( document.createTextNode( "[" ) );
+
Header.insertBefore( Button, Header.childNodes[0] );
            Button.appendChild( ButtonLink );
+
tableIndex++;
            Button.appendChild( document.createTextNode( "]" ) );
+
}
 +
}
 
   
 
   
            var Header = Tables[i].getElementsByTagName( "tr" )[0].getElementsByTagName( "th" )[0];
+
for ( var i = 0;  i < tableIndex; i++ ) {
            /* only add button and increment count if there is a header row to work with */
+
if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
            if (Header) {
+
collapseTable( i );
                Header.insertBefore( Button, Header.childNodes[0] );
+
}
                tableIndex++;
+
}
            }
+
}
        }
 
    }
 
 
   
 
   
    for ( var i = 0;  i < tableIndex; i++ ) {
+
addOnloadHook( createCollapseButtons );
        if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) {
+
            collapseTable( i );
+
/** 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]]
addOnloadHook( createCollapseButtons );
+
  */
 
 
/** Dynamic Navigation Bars (experimental) *************************************
 
  *
 
  Description: See [[Wikipedia:NavFrame]].
 
  * Maintainers: UNMAINTAINED
 
  */
 
 
   
 
   
  // set up the words in your language
+
var hasClass = (function() {
  var NavigationBarHide = '[' + collapseCaption + ']';
+
var reCache = {};
  var NavigationBarShow = '[' + expandCaption + ']';
+
return function( element, className ) {
 
+
return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
  // 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 = autoCollapse;
 
 
 
 
 
  // 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, 'NavPic' ) ) {
 
                NavChild.style.display = 'none';
 
            }
 
            if ( hasClass( NavChild, 'NavContent') ) {
 
                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, 'NavPic')) {
 
                NavChild.style.display = 'block';
 
            }
 
            if (hasClass(NavChild, 'NavContent')) {
 
                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 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 (hasClass(NavFrame.childNodes[j], "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);
 
        }
 
    }
 
 
 
  }
 
  addOnloadHook( createNavigationBarToggleButton );
 

Revision as of 20:56, 28 February 2010

/* 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: [[**MAINTAINERS**]]
 */
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 );
		}
	}
}
 
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);
	};
})();