树形菜单右键如何动态配置 希望在网页上能够显示树形菜单,鼠标右键点击节点弹出菜单(增加、删除、重命名),点击增加可以在该节点下增加一个子节点,点击删除则将该节点及其子节点全部删除,点击重命名,可以给该节点重命名,请问各位高手该功能应该如何实现,谢谢! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 //========================================//Envrionment to hold Listeners//========================================tv_listeners = new Array() ;function listener( type , handler ) { this.type = type ; this.handler = handler ; this.id = tv_listeners.length ; tv_listeners[ tv_listeners.length ] = this ;}function addListener( type , handler ) { new listener( type , handler ) ; }//=== END =====//=========================================// Hold the top item//=========================================tv_topnodeitem = null ;//===== END =======//=========================================//Hold nodeitems , and supply a nodeitem Register//=========================================nodeitems = new Array() ;function nodeitemRegister( obj ) { nodeitems[ nodeitems.length ] = obj ; return nodeitems.length - 1 ;}//=== END =======//=================================//Custom a stack//Class : stack//metheds : get()// put( obj )//=================================function stack() { this.value = new Array() ; this.cursor = 0 ;}function stack_get() { this.cursor = this.cursor - 1 ; return this.value[ this.cursor ] ;}function stack_put( obj ) { this.value[ this.cursor ] = obj ; this.cursor = this.cursor + 1 ;}stack.prototype.get = stack_get ;stack.prototype.put = stack_put ;//=======END ==========//=========================================// Define a public stack//=========================================userstack = new stack() ;//====== END ===========//=========================================//Image List//=========================================treeview_box_0_none = "../images/4_clos.gif" ;treeview_box_0_line = "../images/4_none.gif" ;treeview_box_2_open = "../images/2_open.gif" ;treeview_box_2_none = "../images/2_none.gif" ;treeview_box_2_close = "../images/2_clos.gif" ;treeview_box_1_open = "../images/3_open.gif" ;treeview_box_1_none = "../images/3_none.gif" ;treeview_box_1_close = "../images/3_clos.gif" ;//===============================================//Class : nodeitem//status------------------------1:two-direction 0:nobox 0: disactivite// 2:three-0direction 1:close-box 1: activite// 2:open-box //===============================================function nodeitem( parentkey , key , lable , img ) { this.lable = lable ; this.key = key ; this.parent = findNode( parentkey ) ; if( this.parent != null ) { aa = this.parent.status ; if( aa.substring( 1 , 2 ) == "0" ) this.parent.status = aa.substring( 0 , 1 ) + "1" + aa.substring( 2 , 3 ) ; if( this.parent.maxsubitem != null ) this.parent.maxsubitem.status = "2" + this.parent.maxsubitem.status.substring( 1 , 3 ) ; this.parent.subitems[ this.parent.subitems.length ] = this ; this.parent.maxsubitem = this ; } else { if( tv_topnodeitem != null ) { alert( "不能有两个顶项!" ) ; return ; } tv_topnodeitem = this ; } this.img = img ; this.tag = null ; this.status = "100" ; this.subitems = new Array() ; this.maxsubitem = null ; this.id = nodeitemRegister( this ) ; //********************** this.questionId = 0; this.description = ""; //this.url = null; //********************** //added by msb for the sort and move up/down /*if ( this == tv_topnodeitem ) { this.nodeIndex = 0; } else { this.nodeIndex = this.parent.subitems.length; }*/ //end added}//added by msb for the sort and move up/downfunction nodeitem_moveUp() { if (this == tv_topnodeitem) return; //topitem ssubitems = this.parent.subitems; for ( i=0; i<ssubitems.length; i++ ) { if( ssubitems[i] == this ) { break; } } if (i==0) return; ssubitems[i] = ssubitems[i-1]; ssubitems[i-1] = this; if (i==ssubitems.length-1) { ssubitems[i-1].status = "2" + ssubitems[i-1].status.substring(1, 3); ssubitems[i].status = "1" + ssubitems[i].status.substring(1, 3); } /* itemTemp = this; ssubitems[this.nodeIndex-1] *//* for ( i=0; i<ssubitems.length; i++ ) { if( ssubitems[i] != null && ssubitems[i].nodeIndex == (this.nodeIndex-1) ) previousitem = ssubitems[i] } previousitem.nodeIndex = this.nodeIndex; this.nodeIndex = this.nodeIndex -1; swap(this,previousitem);*/ //label_on_click(this.id); this.parent.refresh(); lable_on_click(this.id);}//moveUp()function nodeitem_moveDown() { if (this == tv_topnodeitem) return; //topitem ssubitems = this.parent.subitems; for ( i=0; i<ssubitems.length; i++ ) { if( ssubitems[i] == this ) { break; } } if (i==ssubitems.length-1) return; ssubitems[i] = ssubitems[i+1]; ssubitems[i+1] = this; if (i==ssubitems.length-2) { ssubitems[i+1].status = "1" + ssubitems[i+1].status.substring(1, 3); ssubitems[i].status = "2" + ssubitems[i].status.substring(1, 3); } this.parent.refresh(); lable_on_click(this.id);}//moveDown()/*function swap (item1, item2) { nodeitems[item1.id] = item2; nodeitems[item2.id] = item1; idTemp = item1.id; item1.id = item2.id; item2.id = idTemp;}*///end addedfunction nodeitem_setTag( obj ) { this.tag = obj ;}function nodeitem_getTag() { return this.tag ;} [code=JScript]//========================================//Envrionment to hold Listeners//========================================tv_listeners = new Array() ;function listener( type , handler ) { this.type = type ; this.handler = handler ; this.id = tv_listeners.length ; tv_listeners[ tv_listeners.length ] = this ;}function addListener( type , handler ) { new listener( type , handler ) ; }//=== END =====//=========================================// Hold the top item//=========================================tv_topnodeitem = null ;//===== END =======//=========================================//Hold nodeitems , and supply a nodeitem Register//=========================================nodeitems = new Array() ;function nodeitemRegister( obj ) { nodeitems[ nodeitems.length ] = obj ; return nodeitems.length - 1 ;}//=== END =======//=================================//Custom a stack//Class : stack//metheds : get()// put( obj )//=================================function stack() { this.value = new Array() ; this.cursor = 0 ;}function stack_get() { this.cursor = this.cursor - 1 ; return this.value[ this.cursor ] ;}function stack_put( obj ) { this.value[ this.cursor ] = obj ; this.cursor = this.cursor + 1 ;}stack.prototype.get = stack_get ;stack.prototype.put = stack_put ;//=======END ==========//=========================================// Define a public stack//=========================================userstack = new stack() ;//====== END ===========//=========================================//Image List//=========================================treeview_box_0_none = "../images/4_clos.gif" ;treeview_box_0_line = "../images/4_none.gif" ;treeview_box_2_open = "../images/2_open.gif" ;treeview_box_2_none = "../images/2_none.gif" ;treeview_box_2_close = "../images/2_clos.gif" ;treeview_box_1_open = "../images/3_open.gif" ;treeview_box_1_none = "../images/3_none.gif" ;treeview_box_1_close = "../images/3_clos.gif" ;//===============================================//Class : nodeitem//status------------------------1:two-direction 0:nobox 0: disactivite// 2:three-0direction 1:close-box 1: activite// 2:open-box //===============================================function nodeitem( parentkey , key , lable , img ) { this.lable = lable ; this.key = key ; this.parent = findNode( parentkey ) ; if( this.parent != null ) { aa = this.parent.status ; if( aa.substring( 1 , 2 ) == "0" ) this.parent.status = aa.substring( 0 , 1 ) + "1" + aa.substring( 2 , 3 ) ; if( this.parent.maxsubitem != null ) this.parent.maxsubitem.status = "2" + this.parent.maxsubitem.status.substring( 1 , 3 ) ; this.parent.subitems[ this.parent.subitems.length ] = this ; this.parent.maxsubitem = this ; } else { if( tv_topnodeitem != null ) { alert( "不能有两个顶项!" ) ; return ; } tv_topnodeitem = this ; } this.img = img ; this.tag = null ; this.status = "100" ; this.subitems = new Array() ; this.maxsubitem = null ; this.id = nodeitemRegister( this ) ; //********************** this.questionId = 0; this.description = ""; //this.url = null; //********************** //added by msb for the sort and move up/down /*if ( this == tv_topnodeitem ) { this.nodeIndex = 0; } else { this.nodeIndex = this.parent.subitems.length; }*/ //end added}//added by msb for the sort and move up/downfunction nodeitem_moveUp() { if (this == tv_topnodeitem) return; //topitem ssubitems = this.parent.subitems; for ( i=0; i<ssubitems.length; i++ ) { if( ssubitems[i] == this ) { break; } } if (i==0) return; ssubitems[i] = ssubitems[i-1]; ssubitems[i-1] = this; if (i==ssubitems.length-1) { ssubitems[i-1].status = "2" + ssubitems[i-1].status.substring(1, 3); ssubitems[i].status = "1" + ssubitems[i].status.substring(1, 3); } /* itemTemp = this; ssubitems[this.nodeIndex-1] *//* for ( i=0; i<ssubitems.length; i++ ) { if( ssubitems[i] != null && ssubitems[i].nodeIndex == (this.nodeIndex-1) ) previousitem = ssubitems[i] } previousitem.nodeIndex = this.nodeIndex; this.nodeIndex = this.nodeIndex -1; swap(this,previousitem);*/ //label_on_click(this.id); this.parent.refresh(); lable_on_click(this.id);}//moveUp()function nodeitem_moveDown() { if (this == tv_topnodeitem) return; //topitem ssubitems = this.parent.subitems; for ( i=0; i<ssubitems.length; i++ ) { if( ssubitems[i] == this ) { break; } } if (i==ssubitems.length-1) return; ssubitems[i] = ssubitems[i+1]; ssubitems[i+1] = this; if (i==ssubitems.length-2) { ssubitems[i+1].status = "1" + ssubitems[i+1].status.substring(1, 3); ssubitems[i].status = "2" + ssubitems[i].status.substring(1, 3); } this.parent.refresh(); lable_on_click(this.id);}//moveDown()/*function swap (item1, item2) { nodeitems[item1.id] = item2; nodeitems[item2.id] = item1; idTemp = item1.id; item1.id = item2.id; item2.id = idTemp;}*///end addedfunction nodeitem_setTag( obj ) { this.tag = obj ;}function nodeitem_getTag() { return this.tag ;}[/code] 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;};// Tree objectfunction dTree(objName) { this.config = { target : null, folderLinks : true, useSelection : true, useCookies : true, useLines : true, useIcons : true, useStatusText : false, closeSameLevel : false, inOrder : false } this.icon = { root : '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;};// Adds a new node to the node arraydTree.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);};// Open/close all nodesdTree.prototype.openAll = function() { this.oAll(true);};dTree.prototype.closeAll = function() { this.oAll(false);};// Outputs the tree to the pagedTree.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 structuredTree.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 textdTree.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="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;}; 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;};// Tree objectfunction dTree(objName) { this.config = { target : null, folderLinks : true, useSelection : true, useCookies : true, useLines : true, useIcons : true, useStatusText : false, closeSameLevel : false, inOrder : false } this.icon = { root : '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;};// Adds a new node to the node arraydTree.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);};// Open/close all nodesdTree.prototype.openAll = function() { this.oAll(true);};dTree.prototype.closeAll = function() { this.oAll(false);};// Outputs the tree to the pagedTree.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 structuredTree.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 textdTree.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="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;}; 建议:一、ajax二、自己做服务端控件(以同步实现异步,类似于jsf里的控件但有点差异,效果跟.net里的服务端控件一样,可以参照jsf、tapestry与servlet-jsp的api手册) 谢谢楼上的鼎力支持!我对js实在懂得很少,不知这js代码该如何在jsp页面中调用展现呢?还有,我的这些对节点的操作都必须到数据库中更新,这该如何实现呢?谢谢回复! 将excel获得的数据存入oracle中的问题 两个结构树的结点异同的比较 线程使用问题:tomcat服务器无法正常工作! java怎样创建xml Struts1.X 中 LookupDispatchAction 可以传参数吗 一个学生表students,一个成绩表scores ,查出班级人数最多的一个班 求助,sql ResultSet 问题 在java中读取配置文件,可以使用相对路径吗? 服务器的目录问题 Servlet如何给jsp传递int型值? tomcat乱码问题,在线等。。。。 登录页面:选择以前输入的用户,会自动带出密码,怎么解决啊,我该怎么办,求大家帮忙解决!??~~
//Envrionment to hold Listeners
//========================================
tv_listeners = new Array() ;
function listener( type , handler ) {
this.type = type ;
this.handler = handler ;
this.id = tv_listeners.length ;
tv_listeners[ tv_listeners.length ] = this ;
}function addListener( type , handler ) {
new listener( type , handler ) ;
}
//=== END =====//=========================================
// Hold the top item
//=========================================
tv_topnodeitem = null ;
//===== END =======//=========================================
//Hold nodeitems , and supply a nodeitem Register
//=========================================
nodeitems = new Array() ;
function nodeitemRegister( obj ) {
nodeitems[ nodeitems.length ] = obj ;
return nodeitems.length - 1 ;
}
//=== END =======//=================================
//Custom a stack
//Class : stack
//metheds : get()
// put( obj )
//=================================
function stack() {
this.value = new Array() ;
this.cursor = 0 ;
}function stack_get() {
this.cursor = this.cursor - 1 ;
return this.value[ this.cursor ] ;
}function stack_put( obj ) {
this.value[ this.cursor ] = obj ;
this.cursor = this.cursor + 1 ;
}stack.prototype.get = stack_get ;
stack.prototype.put = stack_put ;
//=======END ==========//=========================================
// Define a public stack
//=========================================
userstack = new stack() ;
//====== END ===========//=========================================
//Image List
//=========================================
treeview_box_0_none = "../images/4_clos.gif" ;
treeview_box_0_line = "../images/4_none.gif" ;
treeview_box_2_open = "../images/2_open.gif" ;
treeview_box_2_none = "../images/2_none.gif" ;
treeview_box_2_close = "../images/2_clos.gif" ;
treeview_box_1_open = "../images/3_open.gif" ;
treeview_box_1_none = "../images/3_none.gif" ;
treeview_box_1_close = "../images/3_clos.gif" ;//===============================================
//Class : nodeitem
//status------------------------1:two-direction 0:nobox 0: disactivite
// 2:three-0direction 1:close-box 1: activite
// 2:open-box
//===============================================
function nodeitem( parentkey , key , lable , img ) {
this.lable = lable ;
this.key = key ;
this.parent = findNode( parentkey ) ;
if( this.parent != null ) {
aa = this.parent.status ;
if( aa.substring( 1 , 2 ) == "0" )
this.parent.status = aa.substring( 0 , 1 ) + "1" + aa.substring( 2 , 3 ) ;
if( this.parent.maxsubitem != null )
this.parent.maxsubitem.status = "2" + this.parent.maxsubitem.status.substring( 1 , 3 ) ;
this.parent.subitems[ this.parent.subitems.length ] = this ;
this.parent.maxsubitem = this ;
}
else {
if( tv_topnodeitem != null ) {
alert( "不能有两个顶项!" ) ;
return ;
}
tv_topnodeitem = this ;
}
this.img = img ;
this.tag = null ;
this.status = "100" ;
this.subitems = new Array() ;
this.maxsubitem = null ;
this.id = nodeitemRegister( this ) ; //**********************
this.questionId = 0;
this.description = "";
//this.url = null;
//**********************
//added by msb for the sort and move up/down
/*if ( this == tv_topnodeitem )
{
this.nodeIndex = 0;
} else {
this.nodeIndex = this.parent.subitems.length;
}*/
//end added}//added by msb for the sort and move up/down
function nodeitem_moveUp() {
if (this == tv_topnodeitem) return; //topitem ssubitems = this.parent.subitems;
for ( i=0; i<ssubitems.length; i++ ) {
if( ssubitems[i] == this ) {
break;
}
}
if (i==0) return;
ssubitems[i] = ssubitems[i-1];
ssubitems[i-1] = this;
if (i==ssubitems.length-1) {
ssubitems[i-1].status = "2" + ssubitems[i-1].status.substring(1, 3);
ssubitems[i].status = "1" + ssubitems[i].status.substring(1, 3);
}
/*
itemTemp = this;
ssubitems[this.nodeIndex-1] */
/* for ( i=0; i<ssubitems.length; i++ ) {
if( ssubitems[i] != null && ssubitems[i].nodeIndex == (this.nodeIndex-1) )
previousitem = ssubitems[i]
}
previousitem.nodeIndex = this.nodeIndex;
this.nodeIndex = this.nodeIndex -1;
swap(this,previousitem);
*/
//label_on_click(this.id);
this.parent.refresh(); lable_on_click(this.id);
}//moveUp()function nodeitem_moveDown() {
if (this == tv_topnodeitem) return; //topitem
ssubitems = this.parent.subitems;
for ( i=0; i<ssubitems.length; i++ ) {
if( ssubitems[i] == this ) {
break;
}
}
if (i==ssubitems.length-1) return;
ssubitems[i] = ssubitems[i+1];
ssubitems[i+1] = this;
if (i==ssubitems.length-2) {
ssubitems[i+1].status = "1" + ssubitems[i+1].status.substring(1, 3);
ssubitems[i].status = "2" + ssubitems[i].status.substring(1, 3);
} this.parent.refresh();
lable_on_click(this.id);
}//moveDown()/*function swap (item1, item2) {
nodeitems[item1.id] = item2;
nodeitems[item2.id] = item1;
idTemp = item1.id;
item1.id = item2.id;
item2.id = idTemp;
}*///end addedfunction nodeitem_setTag( obj ) {
this.tag = obj ;
}function nodeitem_getTag() {
return this.tag ;
}
//Envrionment to hold Listeners
//========================================
tv_listeners = new Array() ;
function listener( type , handler ) {
this.type = type ;
this.handler = handler ;
this.id = tv_listeners.length ;
tv_listeners[ tv_listeners.length ] = this ;
}function addListener( type , handler ) {
new listener( type , handler ) ;
}
//=== END =====//=========================================
// Hold the top item
//=========================================
tv_topnodeitem = null ;
//===== END =======//=========================================
//Hold nodeitems , and supply a nodeitem Register
//=========================================
nodeitems = new Array() ;
function nodeitemRegister( obj ) {
nodeitems[ nodeitems.length ] = obj ;
return nodeitems.length - 1 ;
}
//=== END =======//=================================
//Custom a stack
//Class : stack
//metheds : get()
// put( obj )
//=================================
function stack() {
this.value = new Array() ;
this.cursor = 0 ;
}function stack_get() {
this.cursor = this.cursor - 1 ;
return this.value[ this.cursor ] ;
}function stack_put( obj ) {
this.value[ this.cursor ] = obj ;
this.cursor = this.cursor + 1 ;
}stack.prototype.get = stack_get ;
stack.prototype.put = stack_put ;
//=======END ==========//=========================================
// Define a public stack
//=========================================
userstack = new stack() ;
//====== END ===========//=========================================
//Image List
//=========================================
treeview_box_0_none = "../images/4_clos.gif" ;
treeview_box_0_line = "../images/4_none.gif" ;
treeview_box_2_open = "../images/2_open.gif" ;
treeview_box_2_none = "../images/2_none.gif" ;
treeview_box_2_close = "../images/2_clos.gif" ;
treeview_box_1_open = "../images/3_open.gif" ;
treeview_box_1_none = "../images/3_none.gif" ;
treeview_box_1_close = "../images/3_clos.gif" ;//===============================================
//Class : nodeitem
//status------------------------1:two-direction 0:nobox 0: disactivite
// 2:three-0direction 1:close-box 1: activite
// 2:open-box
//===============================================
function nodeitem( parentkey , key , lable , img ) {
this.lable = lable ;
this.key = key ;
this.parent = findNode( parentkey ) ;
if( this.parent != null ) {
aa = this.parent.status ;
if( aa.substring( 1 , 2 ) == "0" )
this.parent.status = aa.substring( 0 , 1 ) + "1" + aa.substring( 2 , 3 ) ;
if( this.parent.maxsubitem != null )
this.parent.maxsubitem.status = "2" + this.parent.maxsubitem.status.substring( 1 , 3 ) ;
this.parent.subitems[ this.parent.subitems.length ] = this ;
this.parent.maxsubitem = this ;
}
else {
if( tv_topnodeitem != null ) {
alert( "不能有两个顶项!" ) ;
return ;
}
tv_topnodeitem = this ;
}
this.img = img ;
this.tag = null ;
this.status = "100" ;
this.subitems = new Array() ;
this.maxsubitem = null ;
this.id = nodeitemRegister( this ) ; //**********************
this.questionId = 0;
this.description = "";
//this.url = null;
//**********************
//added by msb for the sort and move up/down
/*if ( this == tv_topnodeitem )
{
this.nodeIndex = 0;
} else {
this.nodeIndex = this.parent.subitems.length;
}*/
//end added}//added by msb for the sort and move up/down
function nodeitem_moveUp() {
if (this == tv_topnodeitem) return; //topitem ssubitems = this.parent.subitems;
for ( i=0; i<ssubitems.length; i++ ) {
if( ssubitems[i] == this ) {
break;
}
}
if (i==0) return;
ssubitems[i] = ssubitems[i-1];
ssubitems[i-1] = this;
if (i==ssubitems.length-1) {
ssubitems[i-1].status = "2" + ssubitems[i-1].status.substring(1, 3);
ssubitems[i].status = "1" + ssubitems[i].status.substring(1, 3);
}
/*
itemTemp = this;
ssubitems[this.nodeIndex-1] */
/* for ( i=0; i<ssubitems.length; i++ ) {
if( ssubitems[i] != null && ssubitems[i].nodeIndex == (this.nodeIndex-1) )
previousitem = ssubitems[i]
}
previousitem.nodeIndex = this.nodeIndex;
this.nodeIndex = this.nodeIndex -1;
swap(this,previousitem);
*/
//label_on_click(this.id);
this.parent.refresh(); lable_on_click(this.id);
}//moveUp()function nodeitem_moveDown() {
if (this == tv_topnodeitem) return; //topitem
ssubitems = this.parent.subitems;
for ( i=0; i<ssubitems.length; i++ ) {
if( ssubitems[i] == this ) {
break;
}
}
if (i==ssubitems.length-1) return;
ssubitems[i] = ssubitems[i+1];
ssubitems[i+1] = this;
if (i==ssubitems.length-2) {
ssubitems[i+1].status = "1" + ssubitems[i+1].status.substring(1, 3);
ssubitems[i].status = "2" + ssubitems[i].status.substring(1, 3);
} this.parent.refresh();
lable_on_click(this.id);
}//moveDown()/*function swap (item1, item2) {
nodeitems[item1.id] = item2;
nodeitems[item2.id] = item1;
idTemp = item1.id;
item1.id = item2.id;
item2.id = idTemp;
}*///end addedfunction nodeitem_setTag( obj ) {
this.tag = obj ;
}function nodeitem_getTag() {
return this.tag ;
}[/code]
一、ajax
二、自己做服务端控件(以同步实现异步,类似于jsf里的控件但有点差异,效果跟.net里的服务端控件一样,可以参照jsf、tapestry与servlet-jsp的api手册)
我对js实在懂得很少,不知这js代码该如何在jsp页面中调用展现呢?
还有,我的这些对节点的操作都必须到数据库中更新,这该如何实现呢?
谢谢回复!