1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/java/sql-vyuka/web/strom.js	Tue Jul 14 16:51:24 2009 +0200
     1.3 @@ -0,0 +1,145 @@
     1.4 +/** Strom je načítaný AJAXem až po načtení stránky, takže je potřeba funkci zavolat ručně */
     1.5 +//pridejUdalost(window,"load",sestavStromy);
     1.6 +
     1.7 +function pridejUdalost(o, e, f) {
     1.8 +    if (o.addEventListener) {
     1.9 +        o.addEventListener(e,f,true);
    1.10 +        return true;
    1.11 +    } else if (o.attachEvent) {
    1.12 +        return o.attachEvent("on" + e, f);
    1.13 +    } else {
    1.14 +        return false;
    1.15 +    }
    1.16 +}
    1.17 +
    1.18 +function nastavKonstantu(name, val) {
    1.19 +    if (typeof(window[name]) == "undefined" || window[name] == null) {
    1.20 +        window[name] = val;
    1.21 +    }
    1.22 +}
    1.23 +
    1.24 +function rozbalStrom(treeId) {
    1.25 +    var ul = document.getElementById(treeId);
    1.26 +    if (ul == null) {
    1.27 +        return false;
    1.28 +    }
    1.29 +    rozbalSbalSeznam(ul, nodeOpenClass);
    1.30 +}
    1.31 +
    1.32 +function sbalStrom(treeId) {
    1.33 +    var ul = document.getElementById(treeId);
    1.34 +    if (ul == null) {
    1.35 +        return false;
    1.36 +    }
    1.37 +    rozbalSbalSeznam(ul, nodeClosedClass);
    1.38 +}
    1.39 +
    1.40 +function rozbalAzNaPolozku(treeId, itemId) {
    1.41 +    var ul = document.getElementById(treeId);
    1.42 +    if (ul == null) {
    1.43 +        return false;
    1.44 +    }
    1.45 +    var ret = rozbalSbalSeznam(ul, nodeOpenClass, itemId);
    1.46 +    if (ret) {
    1.47 +        var o = document.getElementById(itemId);
    1.48 +        if (o.scrollIntoView) {
    1.49 +            o.scrollIntoView(false);
    1.50 +        }
    1.51 +    }
    1.52 +}
    1.53 +
    1.54 +function rozbalSbalSeznam(ul, cName, itemId) {
    1.55 +    if(!ul.childNodes || ul.childNodes.length==0) {
    1.56 +        return false;
    1.57 +    }
    1.58 +    for (var itemi = 0; itemi < ul.childNodes.length; itemi++) {
    1.59 +        var item = ul.childNodes[itemi];
    1.60 +
    1.61 +        if (itemId != null && item.id == itemId) {
    1.62 +            return true;
    1.63 +        }
    1.64 +
    1.65 +        if (item.nodeName == "LI") {
    1.66 +            var subLists = false;
    1.67 +            for (var sitemi = 0; sitemi<item.childNodes.length; sitemi++) {
    1.68 +                var sitem = item.childNodes[sitemi];
    1.69 +                if (sitem.nodeName=="UL") {
    1.70 +                    subLists = true;
    1.71 +                    var ret = rozbalSbalSeznam(sitem, cName, itemId);
    1.72 +                    if (itemId != null && ret) {
    1.73 +                        item.className = cName;
    1.74 +                        return true;
    1.75 +                    }
    1.76 +                }
    1.77 +            }
    1.78 +
    1.79 +            if (subLists && itemId == null) {
    1.80 +                item.className = cName;
    1.81 +            }
    1.82 +        }
    1.83 +    }
    1.84 +}
    1.85 +
    1.86 +function sestavStromy() {
    1.87 +    nastavKonstantu("treeClass", "strom");
    1.88 +    nastavKonstantu("nodeClosedClass", "liClosed");
    1.89 +    nastavKonstantu("nodeOpenClass", "liOpen");
    1.90 +    nastavKonstantu("nodeBulletClass", "liBullet");
    1.91 +    nastavKonstantu("nodeLinkClass", "bullet");
    1.92 +    nastavKonstantu("preProcessTrees", true);
    1.93 +    if (preProcessTrees) {
    1.94 +        if (!document.createElement) {
    1.95 +            return;
    1.96 +        }
    1.97 +        uls = document.getElementsByTagName("ul");
    1.98 +        for (var uli = 0; uli < uls.length; uli++) {
    1.99 +            var ul = uls[uli];
   1.100 +            if (ul.nodeName == "UL" && ul.className == treeClass) {
   1.101 +                zpracujStrom(ul);
   1.102 +                ul.style.display = "block";
   1.103 +            }
   1.104 +        }
   1.105 +    }
   1.106 +}
   1.107 +
   1.108 +function zpracujStrom(ul) {
   1.109 +    if (!ul.childNodes || ul.childNodes.length==0) {
   1.110 +        return;
   1.111 +    }
   1.112 +    for (var itemi = 0; itemi < ul.childNodes.length; itemi++) {
   1.113 +        var item = ul.childNodes[itemi];
   1.114 +        if (item.nodeName == "LI") {
   1.115 +            var subLists = false;
   1.116 +            for (var sitemi = 0; sitemi < item.childNodes.length; sitemi++) {
   1.117 +                var sitem = item.childNodes[sitemi];
   1.118 +                if (sitem.nodeName == "UL") {
   1.119 +                    subLists = true;
   1.120 +                    zpracujStrom(sitem);
   1.121 +                }
   1.122 +            }
   1.123 +            var s = document.createElement("span");
   1.124 +            var t = '\u00A0';
   1.125 +            s.className = nodeLinkClass;
   1.126 +            if (subLists) {
   1.127 +                if (item.className == null || item.className == "") {
   1.128 +                    item.className = nodeClosedClass;
   1.129 +                }
   1.130 +                if (item.firstChild.nodeName == "#text") {
   1.131 +                    t = t + item.firstChild.nodeValue;
   1.132 +                    item.removeChild(item.firstChild);
   1.133 +                }
   1.134 +                s.onclick = function() {
   1.135 +                    this.parentNode.className = (this.parentNode.className==nodeOpenClass) ? nodeClosedClass : nodeOpenClass;
   1.136 +                    return false;
   1.137 +                }
   1.138 +            } else {
   1.139 +                item.className = nodeBulletClass;
   1.140 +                s.onclick = function() {
   1.141 +                    return false;
   1.142 +                }
   1.143 +            }
   1.144 +            s.appendChild(document.createTextNode(t));
   1.145 +            item.insertBefore(s, item.firstChild);
   1.146 +        }
   1.147 +    }
   1.148 +}