Difference between revisions of "MediaWiki:Common.js"
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Jump to navigationJump to search (Updated collapsible table code.) |
(Updated collapsible table code.) |
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/* Return whether a particular class is used************************************** | /* Return whether a particular class is used************************************** | ||
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/** Dynamic Navigation Bars (experimental) ************************************* | /** Dynamic Navigation Bars (experimental) ************************************* | ||
Revision as of 21:15, 10 January 2012
/* Any JavaScript here will be loaded for all users on every page load. */
/*
Table sorting script by Joost de Valk, check it out at http://www.joostdevalk.nl/code/sortable-table/.
Based on a script from http://www.kryogenix.org/code/browser/sorttable/.
Distributed under the MIT license: http://www.kryogenix.org/code/browser/licence.html .
Copyright (c) 1997-2007 Stuart Langridge, Joost de Valk.
Version 1.5.7
*/
/* You can change these values */
var image_path = "http://www.joostdevalk.nl/code/sortable-table/";
var image_up = "arrow-up.gif";
var image_down = "arrow-down.gif";
var image_none = "arrow-none.gif";
var europeandate = false;
var alternate_row_colors = true;
/* Don't change anything below this unless you know what you're doing */
window.killEvt = function( evt ) {
evt = evt || window.event || window.Event; // W3C, IE, Netscape
if ( typeof ( evt.preventDefault ) != 'undefined' ) {
evt.preventDefault(); // Don't follow the link
evt.stopPropagation();
} else {
evt.cancelBubble = true; // IE
}
return false; // Don't follow the link (IE)
}
addEvent(window, "load", sortables_init);
var SORT_COLUMN_INDEX;
var thead = false;
function sortables_init() {
// Find all tables with class sortable and make them sortable
if (!document.getElementsByTagName) return;
tbls = document.getElementsByTagName("table");
for (ti=0;ti<tbls.length;ti++) {
thisTbl = tbls[ti];
if (((' '+thisTbl.className+' ').indexOf("sortable") != -1) && (thisTbl.id)) {
ts_makeSortable(thisTbl);
}
}
}
function ts_makeSortable(t) {
if (t.rows && t.rows.length > 0) {
if (t.tHead && t.tHead.rows.length > 0) {
var firstRow = t.tHead.rows[t.tHead.rows.length-1];
thead = true;
} else {
var firstRow = t.rows[0];
}
}
if (!firstRow) return;
// We have a first row: assume it's the header, and make its contents clickable links
for (var i=0;i<firstRow.cells.length;i++) {
var cell = firstRow.cells[i];
var txt = ts_getInnerText(cell);
if (cell.className != "unsortable" && cell.className.indexOf("unsortable") == -1) {
cell.innerHTML = '+txt+''<a href="#" class="sortheader" onclick="ts_resortTable(this, '+i+');return false;"><span class="sortarrow"> <img src="'+ image_path + image_none + '" alt="↓"/></span></a>';
}
}
if (alternate_row_colors) {
alternate(t);
}
}
function ts_getInnerText(el) {
if (typeof el == "string") return el;
if (typeof el == "undefined") { return el };
if (el.innerText) return el.innerText; //Not needed but it is faster
var str = "";
var cs = el.childNodes;
var l = cs.length;
for (var i = 0; i < l; i++) {
switch (cs[i].nodeType) {
case 1: //ELEMENT_NODE
str += ts_getInnerText(cs[i]);
break;
case 3: //TEXT_NODE
str += cs[i].nodeValue;
break;
}
}
return str;
}
function ts_resortTable(lnk, clid) {
var span;
for (var ci=0;ci<lnk.childNodes.length;ci++) {
if (lnk.childNodes[ci].tagName && lnk.childNodes[ci].tagName.toLowerCase() == 'span') span = lnk.childNodes[ci];
}
var spantext = ts_getInnerText(span);
var td = lnk.parentNode;
var column = clid || td.cellIndex;
var t = getParent(td,'TABLE');
// Work out a type for the column
if (t.rows.length <= 1) return;
var itm = "";
var i = 0;
while (itm == "" && i < t.tBodies[0].rows.length) {
var itm = ts_getInnerText(t.tBodies[0].rows[i].cells[column]);
itm = trim(itm);
if (itm.substr(0,4) == "<!--" || itm.length == 0) {
itm = "";
}
i++;
}
if (itm == "") return;
sortfn = ts_sort_caseinsensitive;
if (itm.match(/^\d\d[\/\.-][a-zA-z][a-zA-Z][a-zA-Z][\/\.-]\d\d\d\d$/)) sortfn = ts_sort_date;
if (itm.match(/^\d\d[\/\.-]\d\d[\/\.-]\d\d\d{2}?$/)) sortfn = ts_sort_date;
if (itm.match(/^-?[£$€Û¢´]\d/)) sortfn = ts_sort_numeric;
if (itm.match(/^-?(\d+[,\.]?)+(E[-+][\d]+)?%?$/)) sortfn = ts_sort_numeric;
SORT_COLUMN_INDEX = column;
var firstRow = new Array();
var newRows = new Array();
for (k=0;k<t.tBodies.length;k++) {
for (i=0;i<t.tBodies[k].rows[0].length;i++) {
firstRow[i] = t.tBodies[k].rows[0][i];
}
}
for (k=0;k<t.tBodies.length;k++) {
if (!thead) {
// Skip the first row
for (j=1;j<t.tBodies[k].rows.length;j++) {
newRows[j-1] = t.tBodies[k].rows[j];
}
} else {
// Do NOT skip the first row
for (j=0;j<t.tBodies[k].rows.length;j++) {
newRows[j] = t.tBodies[k].rows[j];
}
}
}
newRows.sort(sortfn);
if (span.getAttribute("sortdir") == 'down') {
ARROW = ' <img src="'+ image_path + image_down + '" alt="↓"/>';
newRows.reverse();
span.setAttribute('sortdir','up');
} else {
ARROW = ' <img src="'+ image_path + image_up + '" alt="↑"/>';
span.setAttribute('sortdir','down');
}
// We appendChild rows that already exist to the tbody, so it moves them rather than creating new ones
// don't do sortbottom rows
for (i=0; i<newRows.length; i++) {
if (!newRows[i].className || (newRows[i].className && (newRows[i].className.indexOf('sortbottom') == -1))) {
t.tBodies[0].appendChild(newRows[i]);
}
}
// do sortbottom rows only
for (i=0; i<newRows.length; i++) {
if (newRows[i].className && (newRows[i].className.indexOf('sortbottom') != -1))
t.tBodies[0].appendChild(newRows[i]);
}
// Delete any other arrows there may be showing
var allspans = document.getElementsByTagName("span");
for (var ci=0;ci<allspans.length;ci++) {
if (allspans[ci].className == 'sortarrow') {
if (getParent(allspans[ci],"table") == getParent(lnk,"table")) { // in the same table as us?
allspans[ci].innerHTML = ' <img src="'+ image_path + image_none + '" alt="↓"/>';
}
}
}
span.innerHTML = ARROW;
alternate(t);
}
function getParent(el, pTagName) {
if (el == null) {
return null;
} else if (el.nodeType == 1 && el.tagName.toLowerCase() == pTagName.toLowerCase()) {
return el;
} else {
return getParent(el.parentNode, pTagName);
}
}
function sort_date(date) {
// y2k notes: two digit years less than 50 are treated as 20XX, greater than 50 are treated as 19XX
dt = "00000000";
if (date.length == 11) {
mtstr = date.substr(3,3);
mtstr = mtstr.toLowerCase();
switch(mtstr) {
case "jan": var mt = "01"; break;
case "feb": var mt = "02"; break;
case "mar": var mt = "03"; break;
case "apr": var mt = "04"; break;
case "may": var mt = "05"; break;
case "jun": var mt = "06"; break;
case "jul": var mt = "07"; break;
case "aug": var mt = "08"; break;
case "sep": var mt = "09"; break;
case "oct": var mt = "10"; break;
case "nov": var mt = "11"; break;
case "dec": var mt = "12"; break;
// default: var mt = "00";
}
dt = date.substr(7,4)+mt+date.substr(0,2);
return dt;
} else if (date.length == 10) {
if (europeandate == false) {
dt = date.substr(6,4)+date.substr(0,2)+date.substr(3,2);
return dt;
} else {
dt = date.substr(6,4)+date.substr(3,2)+date.substr(0,2);
return dt;
}
} else if (date.length == 8) {
yr = date.substr(6,2);
if (parseInt(yr) < 50) {
yr = '20'+yr;
} else {
yr = '19'+yr;
}
if (europeandate == true) {
dt = yr+date.substr(3,2)+date.substr(0,2);
return dt;
} else {
dt = yr+date.substr(0,2)+date.substr(3,2);
return dt;
}
}
return dt;
}
function ts_sort_date(a,b) {
dt1 = sort_date(ts_getInnerText(a.cells[SORT_COLUMN_INDEX]));
dt2 = sort_date(ts_getInnerText(b.cells[SORT_COLUMN_INDEX]));
if (dt1==dt2) {
return 0;
}
if (dt1<dt2) {
return -1;
}
return 1;
}
function ts_sort_numeric(a,b) {
var aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
aa = clean_num(aa);
var bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
bb = clean_num(bb);
return compare_numeric(aa,bb);
}
function compare_numeric(a,b) {
var a = parseFloat(a);
a = (isNaN(a) ? 0 : a);
var b = parseFloat(b);
b = (isNaN(b) ? 0 : b);
return a - b;
}
function ts_sort_caseinsensitive(a,b) {
aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]).toLowerCase();
bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]).toLowerCase();
if (aa==bb) {
return 0;
}
if (aa<bb) {
return -1;
}
return 1;
}
function ts_sort_default(a,b) {
aa = ts_getInnerText(a.cells[SORT_COLUMN_INDEX]);
bb = ts_getInnerText(b.cells[SORT_COLUMN_INDEX]);
if (aa==bb) {
return 0;
}
if (aa<bb) {
return -1;
}
return 1;
}
function addEvent(elm, evType, fn, useCapture)
// addEvent and removeEvent
// cross-browser event handling for IE5+, NS6 and Mozilla
// By Scott Andrew
{
if (elm.addEventListener){
elm.addEventListener(evType, fn, useCapture);
return true;
} else if (elm.attachEvent){
var r = elm.attachEvent("on"+evType, fn);
return r;
} else {
alert("Handler could not be removed");
}
}
function clean_num(str) {
str = str.replace(new RegExp(/[^-?0-9.]/g),"");
return str;
}
function trim(s) {
return s.replace(/^\s+|\s+$/g, "");
}
function alternate(table) {
// Take object table and get all it's tbodies.
var tableBodies = table.getElementsByTagName("tbody");
// Loop through these tbodies
for (var i = 0; i < tableBodies.length; i++) {
// Take the tbody, and get all it's rows
var tableRows = tableBodies[i].getElementsByTagName("tr");
// Loop through these rows
// Start at 1 because we want to leave the heading row untouched
for (var j = 0; j < tableRows.length; j++) {
// Check if j is even, and apply classes for both possible results
if ( (j % 2) == 0 ) {
if ( !(tableRows[j].className.indexOf('odd') == -1) ) {
tableRows[j].className = tableRows[j].className.replace('odd', 'even');
} else {
if ( tableRows[j].className.indexOf('even') == -1 ) {
tableRows[j].className += " even";
}
}
} else {
if ( !(tableRows[j].className.indexOf('even') == -1) ) {
tableRows[j].className = tableRows[j].className.replace('even', 'odd');
} else {
if ( tableRows[j].className.indexOf('odd') == -1 ) {
tableRows[j].className += " odd";
}
}
}
}
}
}
/* Return whether a particular class is used**************************************
* Description: Uses regular expressions and caching for better performance.
*/
var usesClass = (function () {
var reCache = {};
return function (element, className) {
return (reCache[className] ? reCache[className] : (reCache[className] = new RegExp("(?:\\s|^)" + className + "(?:\\s|$)"))).test(element.className);
};
})();
/** Collapsible tables code *****************************************************
* Description: Allows tables to be collapsed, showing only the header
* Author: User:Bigfoot Lover @ BionicWiki.com
* Added: 24 September 2007
*/
/* Add a hook to make buttons, where need be, on every pageload */
addOnloadHook( createTableButtons );
/* Define global variables:
* autoShrink is the number of tables that must exist on the page for usage of "class=collapsible autocollapse"
* minimizeSymbol can be either a symbol such as a minus sign or a word such as hide or disappear
* maximizeSymbol can be either a symbol such as a plus sign or a word such as show or appear */
var autoShrink = 2;
var minimizeSymbol = "hide";
var maximizeSymbol = "show";
/* Define functions that do-the-work */
/* Function toggleTableView() toggles a specified table's view from minimized to maximized, or vice versa */
function toggleTableView( tableIndex, tableShrink )
{
var Table = document.getElementById( "collapsibleTable" + tableIndex );
/* If there is no collapsible tables on the page, no need to do any shrinking */
if (!Table) {
return false;
}
var Button = document.getElementById( "collapseButton" + tableIndex );
/* If no collapsible buttons, no need to do any shrinking */
if (!Button ) {
return false;
}
/* Grab the rows of the specified table */
var Rows = Table.getElementsByTagName( "tr" );
/* Do the hiding/unhiding */
if ( Button.firstChild.data == minimizeSymbol || tableShrink == 1 ) {
/* if the button is set to minimize its contents,
* then loop through the rows and mark them hidden */
var count = 1;
while (Rows.length > count) {
if (Rows[count].parentNode.parentNode.id == ("collapsibleTable" + tableIndex))
{
Rows[count].style.display = "none";
}
count++;
}
/* After marking, change the table to show the maximize symbol */
Button.firstChild.data = maximizeSymbol;
} else {
/* if the button is set to maximize its contents,
* then loop through the rows and mark them visible */
var count = 1;
while (Rows.length > count) {
if(Rows[count].parentNode.parentNode.id == ("collapsibleTable" + tableIndex))
{
Rows[count].style.display = Rows[0].style.display;
}
count++;
}
/* After marking, change the table to show the minimize symbol */
Button.firstChild.data = minimizeSymbol;
}
}
/* Funtion createTableButtons() creates the plus or minus symbol and alignment text
* to be applied on collapsible tables */
function createTableButtons()
{
/* Define local variables */
var tableIndex = 0;
var NavBoxes = new Object();
var Tables = document.getElementsByTagName( "table" );
/* Use two count variables to handle cases where continue is used */
var loopcount = 0;
var count = 0;
while (Tables.length > loopcount) {
/* For all collapsible table on the page, this code goes through
* them and makes a button for each one individually */
count = loopcount;
loopcount++;
if ( usesClass( Tables[count], "collapsible" ) ) {
/* Proceed only if a header row and header exist */
var HeaderRow = Tables[count].getElementsByTagName( "tr" )[0];
if (!HeaderRow) continue;
var Header = HeaderRow.getElementsByTagName( "th" )[0];
if (!Header) continue;
/* Log where you are in the looping */
NavBoxes[ tableIndex ] = Tables[count];
/* Set the identifier of the table being edited in this iteration */
Tables[count].setAttribute( "id", "collapsibleTable" + tableIndex );
/* Create the button assuming it is a minimized table
* to do the initial creation. */
var Button = document.createElement( "span" );
var ButtonLink = document.createElement( "a" );
var ButtonText = document.createTextNode( maximizeSymbol );
/* Define where the button floats and its font and size.
* The width should be set to the max character count of
* the mininizeSymbol and maximizeSymbol + 2. ie. min and max
* are 3 letters each + 2 = 5em */
Button.style.styleFloat = "right";
Button.style.cssFloat = "right";
Button.style.fontWeight = "normal";
Button.style.textAlign = "right";
Button.style.width = "5em";
/* Set the link color and identifier */
ButtonLink.style.color = Header.style.color;
ButtonLink.setAttribute( "id", "collapseButton" + tableIndex );
/* Set the destination of the button */
ButtonLink.setAttribute( "href", "javascript:toggleTableView(" + tableIndex + ");" );
ButtonLink.appendChild( ButtonText );
Button.appendChild( document.createTextNode( "[" ) );
Button.appendChild( ButtonLink );
Button.appendChild( document.createTextNode( "]" ) );
/* Load the next header and table for the next iteration */
Header.insertBefore( Button, Header.childNodes[0] );
tableIndex++;
}
}
/* Earlier in this function, assumed all tables are minimized to do the initial creation.
* Now, loop again through the tables and set those to maximized that need setting,
* and set the rows of those that don't as hidden */
loopcount = 0;
while (tableIndex > loopcount) {
/* If autocollapse or collapse is not invalid, maximize; otherwise, minimize */
if (((autoShrink > tableIndex) && usesClass( NavBoxes[loopcount], "autocollapse" )) || !usesClass( NavBoxes[loopcount], "collapsed" ) ) {
toggleTableView( loopcount, 0 );
}
else {
toggleTableView( loopcount, 1 );
}
loopcount++;
}
}
/** 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, 'NavContent') || hasClass(NavChild, 'NavPic')) {
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, 'NavContent') || hasClass(NavChild, 'NavPic')) {
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 isCollapsed = hasClass( NavFrame, "collapsed" );
/*
* 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);
// 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")) {
NavToggle.style.color = NavFrame.childNodes[j].style.color;
NavFrame.childNodes[j].appendChild(NavToggle);
}
}
NavFrame.setAttribute('id', 'NavFrame' + indexNavigationBar);
}
}
}
$( createNavigationBarToggleButton );
