MediaWiki:Common.js
出自【暗黑百科】DiabloWiki_凯恩之角
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//<source lang="javascript">
/* 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.
* Maintainers: [[User:Mike Dillon]], [[User:R. Koot]], [[User:SG]]
*/
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]].
* Maintainers: [[User:R. Koot]]
*/
var autoCollapse = 2;
var collapseCaption = "隐藏▲";
var expandCaption = "显示▼";
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].oldDisplayValue = Rows[i].style.display;
Rows[i].style.display = "none";
}
Button.firstChild.data = expandCaption;
} else {
for ( var i = 1; i < Rows.length; i++ ) {
Rows[i].style.display = Rows[i].oldDisplayValue;
}
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++ ) {
var parent = Tables[i].parentNode.parentNode.parentNode.parentNode;
if ( hasClass( Tables[i], "collapsible" ) || (hasClass(parent, "navbox") && hasClass(Tables[i], "navbox")) ) {
/* 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.className = "collapseButton"; //Styles are declared in Common.css
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 );
}
else if ( hasClass( NavigationBoxes[i], "innercollapse" ) ) {
var element = NavigationBoxes[i];
while (element = element.parentNode) {
if ( hasClass( element, "outercollapse" ) ) {
collapseTable ( i );
break;
}
}
}
}
}
addOnloadHook( createCollapseButtons );
//</source>
/*
== 增加摺疊功能 ==
*/
/** 摺疊 div table *****************************
* Description: 实现div.NavFrame和table.collapsible的可折叠性。
* JSConfig的collapseText、expandText、autoCollapse属性定义默认文字和默认最少自动折叠块
* Maintainers: User:fdcn
*/
function cancelBubble(e) {
e = e || window.event;
if (e.stopPropagation) {
e.stopPropagation();
} else {
e.cancelBubble = true;
}
}
function createToggleButton(head) {
var parent = head;
if (head.tagName.toLowerCase() == 'tr') { //对表格特别处理
if (head.getElementsByTagName("th").length) {
parent = head.cells[parent.cells.length - 1];
} else {
return;
}
}
var textS, textH, button = getElementsByClassName(head, "span", "NavToggle")[0];
if (button) {
parent = button.parentNode;
} else {
textS = createElement("span", [JSConfig.expandText], {
'class': 'toggleShow'
});
textH = createElement("span", [JSConfig.collapseText], {
'class': 'toggleHide'
});
button = createElement("span", [textS, textH], {
'class': 'NavToggle',
styles: {
'width': "6em"
}
});
}
button.style.display = "inline";
head.className += " uncollapse toggleHotspot";
parent.insertBefore(button, parent.childNodes[0]);
}
window.wgCollapse = function (head, container, defaultCollapse) {
if (head) {
createToggleButton(head);
}
var self = this;
this.state = 0;
this.container = container;
applyEach(function (h) {
if (h.nodeType == 1 && !hasClass(h, "uncollapse") && !hasClass(h, "toggleShow") && !hasClass(h, "toggleHide")) {
h.className += " toggleHide";
}
}, defaultCollapse); //预设的隐藏元素
function getArray(clsname) {
var r = [],
i = 0,
e, ea = getElementsByClassName(container, "*", clsname);
while (e = ea[i++]) {
var parent = e.parentNode;
while (!hasClass(parent, 'NavFrame') && !hasClass(parent, 'collapsible')) {
parent = parent.parentNode;
}
if (parent == container) {
r.push(e);
}
}
return r;
}
var toggleA = getArray("toggleShow");
var toggleB = getArray("toggleHide");
var hotspots = getArray("toggleHotspot");
function _toggle(list, state) {
var i = 0,
e;
while (e = list[i++]) {
e.style.display = state ? e.showStyle || '' : 'none';
}
}
this.toggle = function (state) {
self.state = (typeof state == 'undefined') ? 1 - self.state : state;
_toggle(toggleA, self.state);
_toggle(toggleB, 1 - self.state);
}
var i = 0,
h;
while (h = hotspots[i++]) {
applyEach(function (link) {
addClickHandler(link, cancelBubble);
}, h.getElementsByTagName("A"));
h.style.cursor = "pointer";
$(h).attr('tabindex', '0').keydown(function (event) {
if (event.which == 13) { // Enter
self.toggle();
}
});
addClickHandler(h, function () {
self.toggle();
});
}
};
$(function () {
if (!window.disableCollapse) {
//init
var items = [];
applyEach(function (NavFrame) {
var i = 0,
child = NavFrame.childNodes,
head;
while (head = child[i++]) {
if (head.className && hasClass(head, "NavHead")) {
break;
}
}
items.push(new wgCollapse(head, NavFrame, NavFrame.childNodes));
}, getElementsByClassName(document, "div", "NavFrame"));
applyEach(function (table) {
var rows = table.rows;
items.push(new wgCollapse(rows[0], table, rows));
}, getElementsByClassName(document, "table", "collapsible"));
var item, i = 0,
count = items.length;
while (item = items[i++]) {
item.toggle(
hasClass(item.container, "collapsed") || (count >= JSConfig.autoCollapse && hasClass(item.container, "autocollapse")));
}
}
});
//修正摺疊後定位變化
hookEvent("load", function () {
if (location.hash) {
location.href = location.hash;
}
});
