MediaWiki:Common.js: Difference between revisions

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Line 26: Line 26:
  var NavigationBarHide = '[hide]';
  var NavigationBarHide = '[hide]';
  var NavigationBarShow = '[show]';
  var NavigationBarShow = '[show]';
   
   
  // set up max count of Navigation Bars on page,
  // set up max count of Navigation Bars on page,
Line 33: Line 32:
  // NavigationBarShowDefault = 1; // on pages with more than 1 bar all bars will be hidden
  // NavigationBarShowDefault = 1; // on pages with more than 1 bar all bars will be hidden
  if (typeof NavigationBarShowDefault == 'undefined' ) {
  if (typeof NavigationBarShowDefault == 'undefined' ) {
     var NavigationBarShowDefault = 1;
     var NavigationBarShowDefault = 0;
  }
  }
   
   
Line 87: Line 86:
   
   
  // adds show/hide-button to navigation bars
  // adds show/hide-button to navigation bars
function createNavigationBarToggleButton()
function createNavigationBarToggleButton()
{
{
     var indexNavigationBar = 0;
     var indexNavigationBar = 0;
     // iterate over all < div >-elements  
     // iterate over all < div >-elements
     var divs = document.getElementsByTagName("div");
     var divs = document.getElementsByTagName("div");
     for (var i = 0; NavFrame = divs[i]; i++) {
     for (var i=0; i<divs.length; i++) {
        var NavFrame = divs[i];
         // if found a navigation bar
         // if found a navigation bar
         if (hasClass(NavFrame, "NavFrame")) {
         if (NavFrame.className == "NavFrame") {
   
   
             indexNavigationBar++;
             indexNavigationBar++;
Line 102: Line 102:
             NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
             NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');');
   
   
            var isCollapsed = hasClass( NavFrame, "collapsed" );
             var NavToggleText = document.createTextNode(NavigationBarHide);
            /*
            * Check if any children are already hidden.  This loop is here for backwards compatibility:
            * the old way of making NavFrames start out collapsed was to manually add style="display:none"
            * to all the NavPic/NavContent elements.  Since this was bad for accessibility (no way to make
            * the content visible without JavaScript support), the new recommended way is to add the class
            * "collapsed" to the NavFrame itself, just like with collapsible tables.
            */
            for (var NavChild = NavFrame.firstChild; NavChild != null && !isCollapsed; NavChild = NavChild.nextSibling) {
                if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                    if ( NavChild.style.display == 'none' ) {
                        isCollapsed = true;
                    }
                }
            }
            if (isCollapsed) {
                for (var NavChild = NavFrame.firstChild; NavChild != null; NavChild = NavChild.nextSibling) {
                    if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) {
                        NavChild.style.display = 'none';
                    }
                }
            }
             var NavToggleText = document.createTextNode(isCollapsed ? NavigationBarShow : NavigationBarHide);
             NavToggle.appendChild(NavToggleText);
             NavToggle.appendChild(NavToggleText);
   
   
             // Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked)
             // add NavToggle-Button as first div-element
             for(var j=0; j < NavFrame.childNodes.length; j++) {
             // in < div class="NavFrame" >
                 if (hasClass(NavFrame.childNodes[j], "NavHead")) {
            NavFrame.insertBefore(
                    NavToggle.style.color = NavFrame.childNodes[j].style.color;
                 NavToggle,
                    NavFrame.childNodes[j].appendChild(NavToggle);
                NavFrame.firstChild
                }
            );
            }
             NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
             NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
         }
         }
     }
     }
}
    // if more Navigation Bars found than Default: hide all
 
    if (NavigationBarShowDefault < indexNavigationBar) {
        for(
                var i=1;
                i<=indexNavigationBar;
                i++
        ) {
            toggleNavigationBar(i);
        }
    }
}
   
   
  addOnloadHook(createNavigationBarToggleButton);
  addOnloadHook(createNavigationBarToggleButton);

Latest revision as of 21:20, 8 September 2010

// ============================================================
 // BEGIN Enable multiple onload functions
 
 // setup onload functions this way:
 // aOnloadFunctions[aOnloadFunctions.length] = function_name; // without brackets!
 
 if (!window.aOnloadFunctions) {
   var aOnloadFunctions = new Array();
 }
 
 window.onload = function() {
   if (window.aOnloadFunctions) {
     for (var _i=0; _i<aOnloadFunctions.length; _i++) {
       aOnloadFunctions[_i]();
     }
   }
 }
 
 // END Enable multiple onload functions
 // ============================================================

 //================================================================================
 //*** Dynamic Navigation Bars
 
 // set up the words in your language
 var NavigationBarHide = '[hide]';
 var NavigationBarShow = '[show]';
 
 // set up max count of Navigation Bars on page,
 // if there are more, all will be hidden
 // NavigationBarShowDefault = 0; // all bars will be hidden
 // NavigationBarShowDefault = 1; // on pages with more than 1 bar all bars will be hidden
 if (typeof NavigationBarShowDefault == 'undefined' ) {
     var NavigationBarShowDefault = 0;
 }
 
 // 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 (NavChild.className == 'NavPic') {
                NavChild.style.display = 'none';
            }
            if (NavChild.className == 'NavContent') {
                NavChild.style.display = 'none';
            }
            if (NavChild.className == 'NavToggle') {
                NavChild.firstChild.data = NavigationBarShow;
            }
        }
 
    // if hidden now
    } else if (NavToggle.firstChild.data == NavigationBarShow) {
        for (
                var NavChild = NavFrame.firstChild;
                NavChild != null;
                NavChild = NavChild.nextSibling
            ) {
            if (NavChild.className == 'NavPic') {
                NavChild.style.display = 'block';
            }
            if (NavChild.className == 'NavContent') {
                NavChild.style.display = 'block';
            }
            if (NavChild.className == 'NavToggle') {
                NavChild.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;  i<divs.length; i++) {
        var NavFrame = divs[i];
        // if found a navigation bar
        if (NavFrame.className == "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);
            NavToggle.appendChild(NavToggleText);
 
            // add NavToggle-Button as first div-element 
            // in < div class="NavFrame" >
            NavFrame.insertBefore(
                NavToggle,
                NavFrame.firstChild
            );
            NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
        }
    }
    // if more Navigation Bars found than Default: hide all
    if (NavigationBarShowDefault < indexNavigationBar) {
        for(
                var i=1; 
                i<=indexNavigationBar; 
                i++
        ) {
            toggleNavigationBar(i);
        }
    }
 
 }
 
 addOnloadHook(createNavigationBarToggleButton);