/** 可折叠大纲
* 类名 Tree
* 存放位置 xzn/html/tree.php
*/
/** 节点类
* 用于在树中保存相关参数
*
* @param $id 节点号
* @param $text 节点标题
* @param $value 节点参数,一般为url
* @param $image 节点图片
*/
class TreeNode {
var $id;
var $text;
var $value;
var $image;
function TreeNode($id,$text,$value,$image) {
$this->id = $id;
$this->text = $text;
$this->value = $value;
$this->image = $image;
}
}
/** 树类
* 用于保存和输出可折叠大纲
* 可折叠大纲使用FrontPage 2000的JavaScript脚本
*
* 方法
* set()
* 设置节点,节点编号采用1.2.3.4或1-2-3-4的形式。
* 无层次限制。输入次序不限。
* @param $id 节点号
* @param $text 节点标题
* @param $value 节点参数,一般为url
* @param $image 节点图片
*
* display()
* 向页面输出可折叠大纲
*
* 属性
* @public $node 数组,用于保存节点
* @public $jspath 脚本outline.js存放位置
*/
class Tree {
var $node;
var $jspath;
function set($id,$text,$value="",$image="plus.gif") {
$d = split("[.-]",$id);
$e = "";
for($i=0;$i
$e .= "[".$d][$i]."]";
$n = new TreeNode($id,$text,$value,$image);
eval("\$p=&\$this->node$e;");
$p[node] = $n;
}
function display() {
echo ''."\n";
echo ''."\n";
echo ''."\n";
echo '
'."\n";
ksort($this->node);
reset($this->node);
while(list($key,$value) = each($this->node)) {
$this->next($value,0);
}
echo "
\n";
}
function next($node,$level) {
if(! is_array($node))
return;
if(isset($node[node])) {
// echo $level.",".$node[node]->id.",".$node[node]->text.",".$node[node]->value.",".$node[node]->image."\n";
echo '
'."\n";
echo ' | '."\n";
echo ''; if(empty($node[node]->value)) echo $node[node]->text."\n"; else echo ''.$node[node]->text."\n"; echo ''."\n"; } if(count($node) == 1) { echo "\n \n"; return; } ksort($node); reset($node); while(list($key,$value) = each($node)) { $this->next($value,$level+1); } echo " |
\n\n";
}
}
?>
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