MediaWiki:Common.js: Difference between revisions

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/* Any JavaScript here will be loaded for all users on every page load. */
/**
  /** Collapsible tables *********************************************************
  * Collapsible tables
  *
  *
  * Description: Allows tables to be collapsed, showing only the header. See
  * @version 2.0.2 (2014-03-14)
  *               [[Wikipedia:NavFrame]].
  * @source https://www.mediawiki.org/wiki/MediaWiki:Gadget-collapsibleTables.js
  * Maintainers: [[User:R. Koot]]
  * @author [[User:R. Koot]]
  */
  * @author [[User:Krinkle]]
  * @deprecated Since MediaWiki 1.20: Use class="mw-collapsible" instead which
var autoCollapse = 2;
* is supported in MediaWiki core.
var collapseCaption = "hide";
  */
var expandCaption = "show";
/*global $, mw */
var autoCollapse = 2;
function collapseTable( tableIndex )
var collapseCaption = 'hide';
{
var expandCaption = 'show';
    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 );
  /** Dynamic Navigation Bars (experimental) *************************************
  *
  *  Description: See [[Wikipedia:NavFrame]].
  * Maintainers: UNMAINTAINED
  */
  // set up the words in your language
  var NavigationBarHide = '[' + collapseCaption + ']';
  var NavigationBarShow = '[' + expandCaption + ']';
  // 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);
            for (
                  var NavChild = NavFrame.firstChild;
                  NavChild != null;
                  NavChild = NavChild.nextSibling
                ) {
                if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                    if (NavChild.style.display == 'none') {
                        NavToggleText = document.createTextNode(NavigationBarShow);
                        break;
                    }
                }
            }
            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);
        }
    }
  }
  addOnloadHook( createNavigationBarToggleButton );


function collapseTable( tableIndex ) {
var Button = document.getElementById( 'collapseButton' + tableIndex );
var Table = document.getElementById( 'collapsibleTable' + tableIndex );


/* Test if an element has a certain class **************************************
if ( !Table || !Button ) {
  *
return false;
  * Description: Uses regular expressions and caching for better performance.
}
  * Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
 
  */
var Rows = Table.rows;
var i;
var hasClass = (function () {
 
    var reCache = {};
if ( Button.firstChild.data === collapseCaption ) {
    return function (element, className) {
for ( i = 1; i < Rows.length; i++ ) {
        return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
Rows[i].style.display = 'none';
    };
}
})();
Button.firstChild.data = expandCaption;
} else {
for ( i = 1; i < Rows.length; i++ ) {
Rows[i].style.display = Rows[0].style.display;
}
Button.firstChild.data = collapseCaption;
}
}
 
function createClickHandler( tableIndex ) {
return function ( e ) {
e.preventDefault();
collapseTable( tableIndex );
};
}
 
function createCollapseButtons() {
var tableIndex = 0;
var NavigationBoxes = {};
var Tables = document.getElementsByTagName( 'table' );
var i;
 
for ( i = 0; i < Tables.length; i++ ) {
if ( $( Tables[i] ).hasClass( '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 );
// TODO: Declare styles in [[MediaWiki:Gadget-collapsibleTables.css]]
// Button.className = 'collapseButton';
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', '#' );
$( ButtonLink ).on( 'click', createClickHandler( tableIndex ) );
ButtonLink.appendChild( ButtonText );
 
Button.appendChild( document.createTextNode( '[' ) );
Button.appendChild( ButtonLink );
Button.appendChild( document.createTextNode( ']' ) );
 
Header.insertBefore( Button, Header.firstChild );
tableIndex++;
}
}
 
for ( i = 0; i < tableIndex; i++ ) {
if ( $( NavigationBoxes[i] ).hasClass( 'collapsed' ) ||
( tableIndex >= autoCollapse && $( NavigationBoxes[i] ).hasClass( 'autocollapse' ) )
) {
collapseTable( i );
}
}
}
 
mw.hook( 'wikipage.content' ).add( createCollapseButtons );