java多级菜单代码 java菜单栏代码( 三 )


};
// Open/close all nodes
dTree.prototype.openAll = function() {
this.oAll(true);
};
dTree.prototype.closeAll = function() {
this.oAll(false);
};
// Outputs the tree to the page
dTree.prototype.toString = function() {
var str = 'div class="dtree"\n';
if (document.getElementById) {
if (this.config.useCookies) this.selectedNode = this.getSelected();
str += this.addNode(this.root);
} else str += 'Browser not supported.';
str += '/div';
if (!this.selectedFound) this.selectedNode = null;
this.completed = true;
return str;
};
// Creates the tree structure
dTree.prototype.addNode = function(pNode) {
var str = '';
var n=0;
if (this.config.inOrder) n = pNode._ai;
for (n; nthis.aNodes.length; n++) {
if (this.aNodes[n].pid == pNode.id) {
var cn = this.aNodes[n];
cn._p = pNode;
cn._ai = n;
this.setCS(cn);
if (!cn.targetthis.config.target) cn.target = this.config.target;
if (cn._hc!cn._iothis.config.useCookies) cn._io = this.isOpen(cn.id);
if (!this.config.folderLinkscn._hc) cn.url = null;
if (this.config.useSelectioncn.id == this.selectedNode!this.selectedFound) {
cn._is = true;
this.selectedNode = n;
this.selectedFound = true;
}
str += this.node(cn, n);
if (cn._ls) break;
}
}
return str;
};
// Creates the node icon, url and text
dTree.prototype.node = function(node, nodeId) {
var str = 'div class="dTreeNode"' + this.indent(node, nodeId);
if (this.config.useIcons) {
if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
if (this.root.id == node.pid) {
node.icon = this.icon.root;
node.iconOpen = this.icon.root;
}
str += 'img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" /';
}
if (node.url) {
str += 'a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';
if (node.title) str += ' title="' + node.title + '"';
if (node.target) str += ' target="' + node.target + '"';
if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';
if (this.config.useSelection((node._hcthis.config.folderLinks) || !node._hc))
str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
str += '';
}
else if ((!this.config.folderLinks || !node.url)node._hcnode.pid != this.root.id)
str += 'a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node"';
str += node.name;
if (node.url || ((!this.config.folderLinks || !node.url)node._hc)) str += '/a';
str += '/div';
if (node._hc) {
str += 'div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';"';
str += this.addNode(node);
str += '/div';
}
this.aIndent.pop();
return str;
};
// Adds the empty and line icons
dTree.prototype.indent = function(node, nodeId) {
var str = '';
if (this.root.id != node.pid) {
for (var n=0; nthis.aIndent.length; n++)
str += 'img src="' + ( (this.aIndent[n] == 1this.config.useLines) ? this.icon.line : this.icon.empty ) + '" /';
(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
if (node._hc) {
str += 'a href="javascript: ' + this.obj + '.o(' + nodeId + ');"img id="j' + this.obj + nodeId + '" src="';
if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;

推荐阅读