MediaWiki:Common.js

出自【暗黑百科】DiabloWiki_凯恩之角

（修订版本间的差异）
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在2011年5月16日 (一) 20:59所做的修订版本

//<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;
        }
    });
MediaWiki:Common.js

出自【暗黑百科】DiabloWiki_凯恩之角

在2011年5月16日 (一) 20:59所做的修订版本

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