Difference between revisions of "MediaWiki:Common.js"

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(Created page with '- Any JavaScript here will be loaded for all users on every page load.: /** Collapsible tables ********************************************************* * * Description: A…')
 
 
(2 intermediate revisions by one user not shown)
Line 1: Line 1:
 
/* 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 **************************************
 +
*
 +
* From English Wikipedia, 2008-09-15
 +
*
 +
* 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 );
 +
};
 +
})();
  
 
/** Collapsible tables *********************************************************
 
/** Collapsible tables *********************************************************
 +
*
 +
* From English Wikipedia, 2008-09-15
 
  *
 
  *
 
  *  Description: Allows tables to be collapsed, showing only the header. See
 
  *  Description: Allows tables to be collapsed, showing only the header. See
  *   http://www.mediawiki.org/wiki/Manual:Collapsible_tables.
+
  *               [[Wikipedia:NavFrame]].
  *  Maintainers: [[en:User:R. Koot]]
+
  *  Maintainers: [[User:R. Koot]]
 
  */
 
  */
 
 
var autoCollapse = 2;
 
var autoCollapse = 2;
 
var collapseCaption = 'hide';
 
var collapseCaption = 'hide';
 
var expandCaption = 'show';
 
var expandCaption = 'show';
+
 
 
function collapseTable( tableIndex ) {
 
function collapseTable( tableIndex ) {
 
var Button = document.getElementById( 'collapseButton' + tableIndex );
 
var Button = document.getElementById( 'collapseButton' + tableIndex );
 
var Table = document.getElementById( 'collapsibleTable' + tableIndex );
 
var Table = document.getElementById( 'collapsibleTable' + tableIndex );
+
 
 
if ( !Table || !Button ) {
 
if ( !Table || !Button ) {
 
return false;
 
return false;
 
}
 
}
+
 
 
var Rows = Table.rows;
 
var Rows = Table.rows;
+
 
 
if ( Button.firstChild.data == collapseCaption ) {
 
if ( Button.firstChild.data == collapseCaption ) {
 
for ( var i = 1; i < Rows.length; i++ ) {
 
for ( var i = 1; i < Rows.length; i++ ) {
Line 34: Line 49:
 
}
 
}
 
}
 
}
+
 
function createCollapseButtons() {
+
function createCollapseButtons(){
 
var tableIndex = 0;
 
var tableIndex = 0;
 
var NavigationBoxes = new Object();
 
var NavigationBoxes = new Object();
 
var Tables = document.getElementsByTagName( 'table' );
 
var Tables = document.getElementsByTagName( 'table' );
+
 
 
for ( var i = 0; i < Tables.length; i++ ) {
 
for ( var i = 0; i < Tables.length; i++ ) {
 
if ( hasClass( Tables[i], 'collapsible' ) ) {
 
if ( hasClass( Tables[i], 'collapsible' ) ) {
 
 
/* only add button and increment count if there is a header row to work with */
 
/* only add button and increment count if there is a header row to work with */
 
var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
 
var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
if ( !HeaderRow ) {
+
if( !HeaderRow ) {
 
continue;
 
continue;
 
}
 
}
 
var Header = HeaderRow.getElementsByTagName( 'th' )[0];
 
var Header = HeaderRow.getElementsByTagName( 'th' )[0];
if ( !Header ) {
+
if( !Header ) {
 
continue;
 
continue;
 
}
 
}
+
 
 
NavigationBoxes[tableIndex] = Tables[i];
 
NavigationBoxes[tableIndex] = Tables[i];
 
Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
 
Tables[i].setAttribute( 'id', 'collapsibleTable' + tableIndex );
+
 
var Button = document.createElement( 'span' );
+
var Button     = document.createElement( 'span' );
 
var ButtonLink = document.createElement( 'a' );
 
var ButtonLink = document.createElement( 'a' );
 
var ButtonText = document.createTextNode( collapseCaption );
 
var ButtonText = document.createTextNode( collapseCaption );
+
 
Button.className = 'collapseButton'; // Styles are declared in [[MediaWiki:Common.css]]
+
Button.style.styleFloat = 'right';
+
Button.style.cssFloat = 'right';
 +
Button.style.fontWeight = 'normal';
 +
Button.style.textAlign = 'right';
 +
Button.style.width = '6em';
 +
 
 
ButtonLink.style.color = Header.style.color;
 
ButtonLink.style.color = Header.style.color;
 
ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
 
ButtonLink.setAttribute( 'id', 'collapseButton' + tableIndex );
ButtonLink.setAttribute( 'href', '#' );
+
ButtonLink.setAttribute( 'href', "javascript:collapseTable(" + tableIndex + ");" );
addHandler( ButtonLink, 'click', new Function( 'evt', 'collapseTable(' + tableIndex + ' ); return killEvt( evt );' ) );
+
 
ButtonLink.appendChild( ButtonText );
 
ButtonLink.appendChild( ButtonText );
+
 
 
Button.appendChild( document.createTextNode( '[' ) );
 
Button.appendChild( document.createTextNode( '[' ) );
 
Button.appendChild( ButtonLink );
 
Button.appendChild( ButtonLink );
 
Button.appendChild( document.createTextNode( ']' ) );
 
Button.appendChild( document.createTextNode( ']' ) );
+
 
 
Header.insertBefore( Button, Header.childNodes[0] );
 
Header.insertBefore( Button, Header.childNodes[0] );
 
tableIndex++;
 
tableIndex++;
 
}
 
}
}
+
    }
+
 
 
for ( var i = 0;  i < tableIndex; i++ ) {
 
for ( var i = 0;  i < tableIndex; i++ ) {
 
if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
 
if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
 
collapseTable( i );
 
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 );
 
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 );
 
};
 
})();
 

Latest revision as of 01:57, 30 September 2010

/* Any JavaScript here will be loaded for all users on every page load. */

/* Test if an element has a certain class **************************************
 *
 * From English Wikipedia, 2008-09-15
 *
 * 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 );
	};
})();

/** Collapsible tables *********************************************************
 *
 * From English Wikipedia, 2008-09-15
 *
 *  Description: Allows tables to be collapsed, showing only the header. See
 *               [[Wikipedia:NavFrame]].
 *  Maintainers: [[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.style.styleFloat = 'right';
			Button.style.cssFloat = 'right';
			Button.style.fontWeight = 'normal';
			Button.style.textAlign = 'right';
			Button.style.width = '6em';

			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 );
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