MediaWiki:Common.js: Difference between revisions
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sims>A morris (Javascript for timer) |
sims>Richard1990 (some more code) |
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/* 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. */ |
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/* Test if an element has a certain class ************************************** |
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* |
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* Description: Uses regular expressions and caching for better performance. |
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* Taken from Wikipedia's Common.js. |
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*/ |
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var hasClass = (function () { |
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var reCache = {}; |
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return function (element, className) { |
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return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className); |
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}; |
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})(); |
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/** Collapsible tables ********************************************************* |
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* |
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* Description: Allows tables to be collapsed, showing only the header. See |
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* [[Wikipedia:NavFrame]]. |
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* Taken from Wikipedia's Common.js. |
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*/ |
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var autoCollapse = 2; |
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var collapseCaption = "hide"; |
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var expandCaption = "show"; |
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function collapseTable( tableIndex ) |
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{ |
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var Button = document.getElementById( "collapseButton" + tableIndex ); |
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var Table = document.getElementById( "collapsibleTable" + tableIndex ); |
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if ( !Table || !Button ) { |
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return false; |
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} |
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var Rows = Table.rows; |
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if ( Button.firstChild.data == collapseCaption ) { |
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for ( var i = 1; i < Rows.length; i++ ) { |
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Rows[i].style.display = "none"; |
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} |
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Button.firstChild.data = expandCaption; |
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} else { |
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for ( var i = 1; i < Rows.length; i++ ) { |
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Rows[i].style.display = Rows[0].style.display; |
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} |
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Button.firstChild.data = collapseCaption; |
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} |
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} |
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function createCollapseButtons() |
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{ |
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var tableIndex = 0; |
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var NavigationBoxes = new Object(); |
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var Tables = document.getElementsByTagName( "table" ); |
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for ( var i = 0; i < Tables.length; i++ ) { |
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if ( hasClass( Tables[i], "collapsible" ) ) { |
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/* only add button and increment count if there is a header row to work with */ |
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var HeaderRow = Tables[i].getElementsByTagName( "tr" )[0]; |
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if (!HeaderRow) continue; |
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var Header = HeaderRow.getElementsByTagName( "th" )[0]; |
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if (!Header) continue; |
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NavigationBoxes[ tableIndex ] = Tables[i]; |
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Tables[i].setAttribute( "id", "collapsibleTable" + tableIndex ); |
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var Button = document.createElement( "span" ); |
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var ButtonLink = document.createElement( "a" ); |
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var ButtonText = document.createTextNode( collapseCaption ); |
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Button.style.styleFloat = "right"; |
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Button.style.cssFloat = "right"; |
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Button.style.fontWeight = "normal"; |
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Button.style.textAlign = "right"; |
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Button.style.width = "6em"; |
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ButtonLink.style.color = Header.style.color; |
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ButtonLink.setAttribute( "id", "collapseButton" + tableIndex ); |
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ButtonLink.setAttribute( "href", "javascript:collapseTable(" + tableIndex + ");" ); |
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ButtonLink.appendChild( ButtonText ); |
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Button.appendChild( document.createTextNode( "[" ) ); |
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Button.appendChild( ButtonLink ); |
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Button.appendChild( document.createTextNode( "]" ) ); |
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Header.insertBefore( Button, Header.childNodes[0] ); |
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tableIndex++; |
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} |
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} |
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for ( var i = 0; i < tableIndex; i++ ) { |
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if ( hasClass( NavigationBoxes[i], "collapsed" ) || ( tableIndex >= autoCollapse && hasClass( NavigationBoxes[i], "autocollapse" ) ) ) { |
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collapseTable( i ); |
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} |
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} |
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} |
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addOnloadHook( createCollapseButtons ); |
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/** Dynamic Navigation Bars (experimental) ************************************* |
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* |
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* Description: See [[Wikipedia:NavFrame]]. |
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* Taken from Wikipedia's Common.js. |
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*/ |
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// set up the words in your language |
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var NavigationBarHide = '[' + collapseCaption + ']'; |
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var NavigationBarShow = '[' + expandCaption + ']'; |
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// shows and hides content and picture (if available) of navigation bars |
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// Parameters: |
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// indexNavigationBar: the index of navigation bar to be toggled |
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function toggleNavigationBar(indexNavigationBar) |
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{ |
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var NavToggle = document.getElementById("NavToggle" + indexNavigationBar); |
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var NavFrame = document.getElementById("NavFrame" + indexNavigationBar); |
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if (!NavFrame || !NavToggle) { |
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return false; |
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} |
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// if shown now |
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if (NavToggle.firstChild.data == NavigationBarHide) { |
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for ( |
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var NavChild = NavFrame.firstChild; |
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NavChild != null; |
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NavChild = NavChild.nextSibling |
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) { |
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if ( hasClass( NavChild, 'NavPic' ) ) { |
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NavChild.style.display = 'none'; |
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} |
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if ( hasClass( NavChild, 'NavContent') ) { |
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NavChild.style.display = 'none'; |
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} |
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} |
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NavToggle.firstChild.data = NavigationBarShow; |
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// if hidden now |
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} else if (NavToggle.firstChild.data == NavigationBarShow) { |
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for ( |
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var NavChild = NavFrame.firstChild; |
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NavChild != null; |
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NavChild = NavChild.nextSibling |
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) { |
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if (hasClass(NavChild, 'NavPic')) { |
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NavChild.style.display = 'block'; |
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} |
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if (hasClass(NavChild, 'NavContent')) { |
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NavChild.style.display = 'block'; |
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} |
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} |
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NavToggle.firstChild.data = NavigationBarHide; |
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} |
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} |
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// adds show/hide-button to navigation bars |
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function createNavigationBarToggleButton() |
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{ |
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var indexNavigationBar = 0; |
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// iterate over all < div >-elements |
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var divs = document.getElementsByTagName("div"); |
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for( |
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var i=0; |
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NavFrame = divs[i]; |
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i++ |
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) { |
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// if found a navigation bar |
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if (hasClass(NavFrame, "NavFrame")) { |
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indexNavigationBar++; |
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var NavToggle = document.createElement("a"); |
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NavToggle.className = 'NavToggle'; |
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NavToggle.setAttribute('id', 'NavToggle' + indexNavigationBar); |
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NavToggle.setAttribute('href', 'javascript:toggleNavigationBar(' + indexNavigationBar + ');'); |
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var NavToggleText = document.createTextNode(NavigationBarHide); |
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for ( |
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var NavChild = NavFrame.firstChild; |
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NavChild != null; |
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NavChild = NavChild.nextSibling |
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) { |
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if ( hasClass( NavChild, 'NavPic' ) || hasClass( NavChild, 'NavContent' ) ) { |
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if (NavChild.style.display == 'none') { |
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NavToggleText = document.createTextNode(NavigationBarShow); |
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break; |
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} |
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} |
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} |
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NavToggle.appendChild(NavToggleText); |
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// Find the NavHead and attach the toggle link (Must be this complicated because Moz's firstChild handling is borked) |
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for( |
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var j=0; |
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j < NavFrame.childNodes.length; |
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j++ |
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) { |
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if (hasClass(NavFrame.childNodes[j], "NavHead")) { |
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NavFrame.childNodes[j].appendChild(NavToggle); |
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} |
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} |
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NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar); |
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} |
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} |
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} |
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addOnloadHook( createNavigationBarToggleButton ); |
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// ************************************************** |
// ************************************************** |
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// Experimental javascript countdown timer (Splarka) |
// Experimental javascript countdown timer (Splarka) |
Revision as of 20:53, 30 December 2008
/* Any JavaScript here will be loaded for all users on every page load. */
/* Test if an element has a certain class **************************************
*
* Description: Uses regular expressions and caching for better performance.
* Taken from Wikipedia's Common.js.
*/
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]].
* Taken from Wikipedia's Common.js.
*/
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.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]].
* Taken from Wikipedia's Common.js.
*/
// 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 );
// **************************************************
// Experimental javascript countdown timer (Splarka)
// Version 0.0.3
// **************************************************
//
// Usage example:
// <span class="countdown" style="display:none;">
// Only <span class="countdowndate">January 01 2007 00:00:00 PST</span> until New years.
// </span>
// <span class="nocountdown">Javascript disabled.</span>
function updatetimer(i) {
var now = new Date();
var then = timers[i].eventdate;
var diff = count=Math.floor((then.getTime()-now.getTime())/1000);
// catch bad date strings
if(isNaN(diff)) {
timers[i].firstChild.nodeValue = '** ' + timers[i].eventdate + ' **' ;
return;
}
// determine plus/minus
if(diff<0) {
diff = -diff;
var tpm = 'T plus ';
} else {
var tpm = 'T minus ';
}
// calcuate the diff
var left = (diff%60) + ' seconds';
diff=Math.floor(diff/60);
if(diff > 0) left = (diff%60) + ' minutes ' + left;
diff=Math.floor(diff/60);
if(diff > 0) left = (diff%24) + ' hours ' + left;
diff=Math.floor(diff/24);
if(diff > 0) left = diff + ' days ' + left
timers[i].firstChild.nodeValue = tpm + left;
// a setInterval() is more efficient, but calling setTimeout()
// makes errors break the script rather than infinitely recurse
timeouts[i] = setTimeout('updatetimer(' + i + ')',1000);
}
function checktimers() {
//hide 'nocountdown' and show 'countdown'
var nocountdowns = getElementsByClassName(document, 'span', 'nocountdown');
for(var i in nocountdowns) nocountdowns[i].style.display = 'none'
var countdowns = getElementsByClassName(document, 'span', 'countdown');
for(var i in countdowns) countdowns[i].style.display = 'inline'
//set up global objects timers and timeouts.
timers = getElementsByClassName(document, 'span', 'countdowndate'); //global
timeouts = new Array(); // generic holder for the timeouts, global
if(timers.length == 0) return;
for(var i in timers) {
timers[i].eventdate = new Date(timers[i].firstChild.nodeValue);
updatetimer(i); //start it up
}
}
addOnloadHook(checktimers);
// **************************************************
// - end - Experimental javascript countdown timer
// **************************************************