Szerkesztő:Tgr/stickyCollapse.js

/**
 * legutóbbi állapotra emlékező becsukható táblázat tesztje 
 * 'sticky' class aktiválja, lap szinten jegyez meg állapotot (béna megoldás, de a createCollapseButtons felülírja a táblázatok id-jét; újra kéne írni)
 * lapneveket sütibe írja -> mértékkel használandó
 * TODO: escapeRegexp eszközökhöz, collapseTable/createCollapseButtons csere (onLoadHook nem!)
*/

function escapeRegexp(s) { return s.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1'); }
 
var autoCollapse = 2;
var collapseCaption = "▲ becsuk";
var expandCaption = "▼ kinyit";
 
// browser detection magic; Gecko < 1.8 does not know visibility:collapse
var gecko_rvi = navigator.userAgent.toLowerCase().indexOf('rv:');
var gecko_rv = (gecko_rvi == -1) ? 0 : parseFloat(navigator.userAgent.toLowerCase().substring(gecko_rvi+3, gecko_rvi+6));
 
function collapseTable( tableIndex, sticky )
{
    var Button = document.getElementById( "collapseButton" + tableIndex );
    var Table = document.getElementById( "collapsibleTable" + tableIndex );
 
    if ( !Table || !Button ) {
        return false;
    }
 
    if (sticky) {
        var closedTables = getCookie('closedTables');
        if (closedTables == null) closedTables = '';
        var pageRE = new RegExp('\\b' + escapeRegexp(wgPageName) + '\\b');
        var expires = new Date();
        expires.setTime( expires.getTime() + (4*7*24*60*60*1000) ); // 4 hét
    }

    var Rows = Table.getElementsByTagName( "tr" ); 
 
    if ( Button.firstChild.data == collapseCaption ) {
        if(is_gecko && gecko_rv >= 1.8) {
            for ( var i = 1; i < Rows.length; i++ ) {
                Rows[i].style.visibility = 'collapse';
                Rows[i].className += ' row-collapsed';
            }
        } else {
            for ( var i = 1; i < Rows.length; i++ ) {
                Rows[i].style.display = 'none';
            }
        }
        Button.firstChild.data = expandCaption;
        if (sticky && !closedTables.match(pageRE)) {
            setCookie('closedTables', closedTables + ' ' + wgPageName, expires);
        }
    } else {
        if(is_gecko && gecko_rv >= 1.8) {
            for ( var i = 1; i < Rows.length; i++ ) {
                Rows[i].style.visibility = 'visible';
                Rows[i].className.replace(/\s*\brow-collapsed\b/g, '');
            }
        } else {
            for ( var i = 1; i < Rows.length; i++ ) {
                Rows[i].style.display = Rows[0].style.display;
            }
        }
        Button.firstChild.data = collapseCaption;
        if (sticky && closedTables.match(pageRE)) {
            closedTables = closedTables.replace(pageRE, '').replace(/  /, ' ').replace(/(^ | $)/, '');
            setCookie('closedTables', closedTables + ' ' + wgPageName, expires);
        }
    }
}
 
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" ) ) {
            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.setAttribute( "id", "collapseButton" + tableIndex );
            if ( hasClass( Tables[i], "sticky" ) ) {
                ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ", true);" );
            } else {
                ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ", false);" );
            }
            ButtonLink.appendChild( ButtonText );
 
            Button.appendChild( ButtonLink );
 
            var Header = Tables[i].getElementsByTagName( "tr" )[0].getElementsByTagName( "th" )[0];
            /* only add button and increment count if there is a header row to work with */
            if (Header) {
                Header.insertBefore( Button, Header.childNodes[0] );
                tableIndex++;
            }
        }
    }
 
    var closedTables = getCookie('closedTables');
    var pageRE = new RegExp('\\b' + escapeRegexp(wgPageName) + '\\b');
    var isClosed = (closedTables && closedTables.match(pageRE));

    for ( var i = 0;  i < tableIndex; i++ ) {
        if ( hasClass( NavigationBoxes[i], "sticky" ) ) {
            if (isClosed) collapseTable( i );
        }
        else if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) {
            collapseTable( i );
        }
    }
}
 
$( createCollapseButtons );