From Fedora Project Wiki

(add hasClass())
(updates from en.wikipedia)
Line 1: Line 1:
/* Test if an element has a certain class **************************************
/* Test if an element has a certain class
* Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
  *
  *
  * Description: Uses regular expressions and caching for better performance.
  * @deprecated: Use $(element).hasClass() instead.
* Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
  */
  */
   
   
Line 13: Line 13:


/** 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
Line 20: Line 18:
  *  Maintainers: [[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++ ) {
Rows[i].style.display = 'none';
            Rows[i].style.display = "none";
}
        }
Button.firstChild.data = expandCaption;
        Button.firstChild.data = expandCaption;
} else {
    } else {
for ( var i = 1; i < Rows.length; i++ ) {
        for ( var i = 1; i < Rows.length; i++ ) {
Rows[i].style.display = Rows[0].style.display;
            Rows[i].style.display = Rows[0].style.display;
}
        }
Button.firstChild.data = collapseCaption;
        Button.firstChild.data = collapseCaption;
}
    }
}
}
 
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 */
var HeaderRow = Tables[i].getElementsByTagName( 'tr' )[0];
            /* only add button and increment count if there is a header row to work with */
if( !HeaderRow )
            var HeaderRow = Tables[i].getElementsByTagName( "tr" )[0];
continue;
            if (!HeaderRow) 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 Common.css
Button.style.styleFloat = 'right';
Button.style.cssFloat = 'right';
            ButtonLink.style.color = Header.style.color;
Button.style.fontWeight = 'normal';
            ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
Button.style.textAlign = 'right';
            ButtonLink.setAttribute( "href", "#" );
Button.style.width = '6em';
            addHandler( ButtonLink,  "click", new Function( "evt", "collapseTable(" + tableIndex + " ); return killEvt( evt );") );
 
            ButtonLink.appendChild( ButtonText );
ButtonLink.style.color = Header.style.color;
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( "]" ) );
        }
 
    }
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;
                }
            }
        }
     }
     }
 
for ( var i = 0;  i < tableIndex; i++ ) {
if ( hasClass( NavigationBoxes[i], 'collapsed' ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], 'autocollapse' ) ) ) {
collapseTable( i );
}
}
}
}
 
addOnloadHook( createCollapseButtons );
$( createCollapseButtons );

Revision as of 21:01, 27 June 2011

/* Test if an element has a certain class
 * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 *
 * @deprecated:  Use $(element).hasClass() instead.
 */
 
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 *********************************************************
 *
 *  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.className = "collapseButton";  //Styles are declared in Common.css
 
            ButtonLink.style.color = Header.style.color;
            ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
            ButtonLink.setAttribute( "href", "#" );
            addHandler( ButtonLink,  "click", new Function( "evt", "collapseTable(" + tableIndex + " ); return killEvt( evt );") );
            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 );