dtree.js

一个简单的汽车租赁系统 jsp+struts+oracle

/*--------------------------------------------------|

| dTree 2.05 | www.destroydrop.com/javascript/tree/ |

|---------------------------------------------------|

| Copyright (c) 2002-2003 Geir Landr?               |

|                                                   |

| This script can be used freely as long as all     |

| copyright messages are intact.                    |

|                                                   |

| Updated: 17.04.2003                               |

|--------------------------------------------------*/
// 修改
//
/*
	节点操作对象
	@param actionUrl 操作Url 必填
	@param actionIcon 操作图标 必填
	@param actionTitle 操作提示
	@param actionTarget 操作target
	@return
*/
function NodeAction(actionUrl,actionIcon,actionTitle,actionTarget){
    this.actionUrl=actionUrl;
    this.actionIcon=actionIcon;
    this.actionTarget=actionTarget;
    this.actionTitle=actionTitle;
};

// Node object

function Node(id, pid, name, url, title, target, icon, iconOpen, open) {

	this.id = id;

	this.pid = pid;

	this.name = name;

	this.url = url;

	this.title = title;

	this.target = target;

	this.icon = icon;

	this.iconOpen = iconOpen;

	this._io = open || false;

	this._is = false;

	this._ls = false;

	this._hc = false;

	this._ai = 0;

	this._p;

};


/*

nodeActionList 是节点操作对象（NodeAction object）的列表
例如：
nodeActionList=new List();
List对象在 java-like.util.js中定义

*/
function Node(id, pid, name, url, title, target, icon, iconOpen, open,nodeActionList) {

	this.id = id;

	this.pid = pid;

	this.name = name;

	this.url = url;

	this.title = title;

	this.target = target;

	this.icon = icon;

	this.iconOpen = iconOpen;

	this._io = open || false;

	this._is = false;

	this._ls = false;

	this._hc = false;

	this._ai = 0;
    this.nodeActionList=nodeActionList;

	this._p;


};



// Tree object

function dTree(objName) {

	this.config = {
        //图片路径
        imageDir                :null,
        target					: null,

		folderLinks			: true,

		useSelection		: true,

		useCookies			: true,

		useLines				: true,

		useIcons				: true,

		useStatusText		: false,

		closeSameLevel	: false,

		inOrder					: false


    }

	this.icon = {

		root				:(this.config.imageDir!=null)?this.config.imageDir="/"+base.gif: 'img/base.gif',

		folder			: 'img/folder.gif',

		folderOpen	: 'img/folderopen.gif',

		node				: 'img/page.gif',

		empty				: 'img/empty.gif',

		line				: 'img/line.gif',

		join				: 'img/join.gif',

		joinBottom	: 'img/joinbottom.gif',

		plus				: 'img/plus.gif',

		plusBottom	: 'img/plusbottom.gif',

		minus				: 'img/minus.gif',

		minusBottom	: 'img/minusbottom.gif',

		nlPlus			: 'img/nolines_plus.gif',

		nlMinus			: 'img/nolines_minus.gif'

	};

	this.obj = objName;

	this.aNodes = [];

	this.aIndent = [];

	this.root = new Node(-1);

	this.selectedNode = null;

	this.selectedFound = false;

	this.completed = false;

};
// Tree object
dTree.prototype.reSetImagePath=function(){
 this.icon = {

		root				:(this.config.imageDir!=null)?this.config.imageDir+'/base.gif': 'img/base.gif',

		folder			: (this.config.imageDir!=null)?this.config.imageDir+'/folder.gif':'img/folder.gif',

		folderOpen	: (this.config.imageDir!=null)?this.config.imageDir+'/folderopen.gif':'img/folderopen.gif',

		node				: (this.config.imageDir!=null)?this.config.imageDir+'/page.gif':'img/page.gif',

		empty				: (this.config.imageDir!=null)?this.config.imageDir+'/empty.gif':'img/empty.gif',

		line				: (this.config.imageDir!=null)?this.config.imageDir+'/line.gif':'img/line.gif',

		join				: (this.config.imageDir!=null)?this.config.imageDir+'/join.gif':'img/join.gif',

		joinBottom	: (this.config.imageDir!=null)?this.config.imageDir+'/joinbottom.gif':'img/joinbottom.gif',

		plus				: (this.config.imageDir!=null)?this.config.imageDir+'/plus.gif':'img/plus.gif',

		plusBottom	: (this.config.imageDir!=null)?this.config.imageDir+'/plusbottom.gif':'img/plusbottom.gif',

		minus				: (this.config.imageDir!=null)?this.config.imageDir+'/minus.gif':'img/minus.gif',

		minusBottom	: (this.config.imageDir!=null)?this.config.imageDir+'/minusbottom.gif':'img/minusbottom.gif',

		nlPlus			: (this.config.imageDir!=null)?this.config.imageDir+'/nolines_plus.gif':'img/nolines_plus.gif',

		nlMinus			: (this.config.imageDir!=null)?this.config.imageDir+'/nolines_minus.gif':'img/nolines_minus.gif'

	};
}



// Adds a new node to the node array

dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {

	this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);

};
// Adds a new node to the node array

dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open,actionUrl,actionIcon) {
    this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open,actionUrl,actionIcon);

};



// 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; n<this.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.target && this.config.target) cn.target = this.config.target;

			if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);

			if (!this.config.folderLinks && cn._hc) cn.url = null;

			if (this.config.useSelection && cn.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) + '" alt="" />';

	}

	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._hc && this.config.folderLinks) || !node._hc))

			str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';

		str += '>';

	}

	else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id){

		str += '<a href="#" onclick="javascript:' + this.obj + '.o(' + nodeId + ');" class="node">';
	}
	str += node.name;

    if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';

    ////////////// 修改开始 ////////
    //输出 操作图标和连接
    if(node.nodeActionList){

        for(i=0;i<node.nodeActionList.size();i++){
            nodeActionObj= node.nodeActionList.get(i);
            str+="&nbsp;";
            
            //判断 actionUrl是否为java脚本，如果为java脚本则不能够有target 属性
            if(nodeActionObj.actionUrl.indexOf("javascript:")==-1){
				str+='<a href="' +nodeActionObj.actionUrl+ '" ';
                str+=' target="' +((nodeActionObj.actionTarget) ? nodeActionObj.actionTarget : this.config.target)  + '" ';
            }else{
				str+='<a href="#" onclick="' +nodeActionObj.actionUrl+ '" ';
			}
            str+=' >';
            str += '<img id="i' + this.obj + nodeId + '" src="' + ((nodeActionObj.actionIcon) ? nodeActionObj.actionIcon : node.icon)
                    + '" alt="'+nodeActionObj.actionTitle+'" />';
            str+='</a>';
        }

    }