Difference between revisions of "MediaWiki:Common.js"

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(creating page)
 
(collapsible tables)
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. */
 +
 +
/** Collapsible tables *********************************************************
 +
*
 +
*  Description: Allows tables to be collapsed, showing only the header. See
 +
*              [[WikiChem:NavFrame]].
 +
*/
 +
 +
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", "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 );

Revision as of 19:44, 13 August 2009

/* 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
 *               [[WikiChem:NavFrame]].
 */
 
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", "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 );