1 /**

     2  * Check required support for TOC.

     3  */

     4 function support() {

     5     if (document.getElementsByTagName && document.styleSheets) {

     6         tocSupported = true;

     7     }

     8 }

     9 

    10 /** Flag if dynamic TOC is supported */

    11 var tocSupported = false;

    12 support();

    13 /** Current active TOC node. */

    14 var currentHighlight = null;

    15 

    16 /** Regexp for backslash, used to turn Windows pseudo-URLs to URLs. */

    17 var slashRegExp = new RegExp("\\\\", "g");

    18 

    19 function getBaseUrl() {

    20     var topLocation = window.top.location;

    21     var i = topLocation.pathname.indexOf(URL_BASE);

    22     if (i != -1) {

    23         return topLocation.protocol + "//"

    24              + topLocation.hostname + (topLocation.port == "" ? "" : ":" + topLocation.port)

    25              + topLocation.pathname.substring(0, i).replace(slashRegExp, "/");

    26     } else if (topLocation.pathname.substring(topLocation.pathname.length - 1) == "/") {

    27         return topLocation.protocol + "//"

    28              + topLocation.hostname + (topLocation.port == "" ? "" : ":" + topLocation.port)

    29              + topLocation.pathname;

    30     } else {    

    31         return undefined;

    32     }

    33 }

    34 

    35 /*

    36 var isIE = (window.navigator.appVersion.indexOf("MSIE 6") !== -1);

    37 */

    38 

    39 /**

    40  * Hightlight TOC node.

    41  *

    42  * @param node TOC node to highlight

    43  */

    44 function highlightTocItem(node) {

    45     if (tocSupported) {

    46         // turn old off

    47 /*

    48         if (isIE) {

    49         	var lis = node.ownerDocument.getElementsByTagName("*");

    50             for (var i = 0; i < lis.length; i++) {

    51                 removeClass(lis.item(i), TOC_CLASS_ACTIVE);

    52             }

    53         } else {

    54 */

    55 	        if (currentHighlight === null || !isClass(currentHighlight, TOC_CLASS_ACTIVE)) {

    56 	            // turn all off

    57 	            var lis = node.ownerDocument.getElementsByTagName(TOC_ELEMENT_ITEM);

    58 	            for (var i = 0; i < lis.length; i++) {

    59 	                removeClass(lis.item(i), TOC_CLASS_ACTIVE);

    60 	            }

    61 	        } else {

    62 	            removeClass(currentHighlight, TOC_CLASS_ACTIVE);

    63 	        }

    64 /*

    65         }

    66 */

    67         // turn this on

    68         addClass(node.parentNode, TOC_CLASS_ACTIVE);

    69         currentHighlight = node.parentNode;

    70 /*

    71         // IE6 addition, because it doesn't support > in CSS selectors

    72         if (isIE) {

    73       	    addClass(node, TOC_CLASS_ACTIVE);

    74       	}

    75 */

    76     }

    77 }

    78 

    79 /**

    80  * Toggle child node display.

    81  *

    82  * @param n Target node of the event.

    83  */

    84 //moved to toc.js

    85 /*

    86 function toggle(n) {

    87     // toggle controller

    88     if (isClass(n, "toc-controller-open")) {

    89         n.firstChild.data = "+";

    90         switchClass(n, "toc-controller-closed", "toc-controller-open");

    91     } else {

    92         n.firstChild.data = "-";

    93         switchClass(n, "toc-controller-open", "toc-controller-closed");

    94     }

    95     // toggle content    

    96     i = getNextSiblingByTagName(n.parentNode.firstChild, "ul");

    97     if (i != null) {

    98         if (i.style.display == "none") {

    99             i.style.display = "block";

   100         } else {

   101             i.style.display = "none";

   102         }        

   103     }

   104 }

   105 */

   106 

   107 /* Move to common utils. */

   108 

   109 /**

   110  * Get first child element by element name.

   111  *

   112  * @param node parent element

   113  * @param name element name of the desired child elements

   114  * @return DOM Element, null if none found

   115  * @type Object

   116  */

   117 function getFirstChildElementByTagName(node, name) {

   118     var tag = undefined;

   119     if (name !== undefined) {

   120         tag = name.toLowerCase();

   121     }

   122     for (var n = node.firstChild; n != null; n = n.nextSibling) {

   123         if (n.nodeType == 1 && (name === undefined || n.nodeName.toLowerCase() == tag)) {

   124           return n;

   125         }

   126     }

   127     return null;

   128 }

   129 

   130 /**

   131  * Get first element by class name.

   132  *

   133  * @param node DOM node whose descendants select

   134  * @param cls class name

   135  * @param elem element name (optional)

   136  * @return DOM Element, null if none found

   137  * @type Object

   138  */

   139 function getFirstElementByClassName(node, cls, elem) {

   140       if (elem === undefined) {

   141           elem = "*";

   142       }

   143       for (var el = document.getElementsByTagName(elem), i = 0; i < el.length; i++) {

   144             if (isClass(el[i], cls)) {

   145                 return el[i];

   146         }

   147       }

   148       return null;

   149 }