Ext tree 动态生成、拖动排序、右键菜单代码,JS代码库,德仔网

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【JS】 Ext tree 动态生成、拖动排序、右键菜单

作者:珍冰 / 发布于2014/10/13/ 691


	Ext.onReady(function() {
	 var Tree = Ext.tree;
	 var loader = new Tree.TreeLoader({
	 dataUrl: 'test.aspx',
	 listeners: {
	 "beforeload": function(treeLoader, node) {
	 treeLoader.baseParams.id = (node.id != "root" ? node.id : "");
	 }
	 } });
	 var tree = new Tree.TreePanel({
	 el: 'tree-div',
	 useArrows: true,
	 autoScroll: true,
	 animate: true,
	 enableDD: true,
	 containerScroll: true,
	 loader: loader,
	 listeners: {
	 "click": function(node) {
	 alert(node.id);
	 }
	 },
	 "contextmenu": function(node, e) {
	 //点击右键出现tree菜单
	 node.select();//点击右键同时选中该项
	 e.preventDefault();
	 var treeMenu = new Ext.menu.Menu
	 ([
	 { text: "修改", iconCls: "bedit", pressed: true, handler: function() { edit_win(node.id); } },
	 { text: "删除", iconCls: "bdelete", pressed: true, handler: function() { del_sx(node.id, node); } } ]);
	 //定位菜单的显示位置
	 treeMenu.showAt(e.getPoint());
	 },
	 "movenode": function(tree, node, oldNode, newNode, index) {
	 //当拖动时的操作
	 var nid = node.id;
	 var oldnid = oldNode.id;
	 var newnid = newNode.id;
	 var nindex = index;
	 Ext.Ajax.request({
	 url: '../ajax/s/s_operate.aspx',
	 method: "POST",
	 params: { t: 'sort', nid: nid, oldnid: oldnid, newnid: newnid, nindex: nindex},
	 success: function(response, options) {
	 var d = Ext.decode(response.responseText);
	 if (d.success == true) {
	 // alert(d.value);
	 parent.Ext.MessageBox.hide();
	 }
	 else {
	 msg("提示信息", "" + d.value + "");
	 } },
	 failure: function() {
	 msg("提示信息", "服务器连接失败!");
	 }
	 });
	 }
	 }); //拖动排序是顺序显示
	 new Ext.tree.TreeSorter(tree1, {
	 // folderSort: true,
	 // dir: 'asc',
	 sortType: function(node) {
	 return parseInt(node.attributes.sortIndex, 0);
	 }
	 });
	 var root = new Tree.AsyncTreeNode({
	 text: 'test',
	 draggable: false,
	 id: 'root'
	 });
	 tree.setRootNode(root);
	 tree.render();
	 root.expand();
	});

	function del_sx(prid, trNode) {
	 parent.Ext.Msg.confirm("删除提示", "您确定要删除吗？", function(btn) {
	 if (btn == 'yes') {
	 parent.Ext.MessageBox.show
	 (
	 {
	 title: '正在删除中...',
	 msg: '正在删除，请稍等...',
	 progressText: '删除中...',
	 width: 300,
	 wait: true,
	 waitConfig: {
	 interval: 200,
	 duration: 2000,
	 fn: function() {
	 Ext.Ajax.request({
	 url: '../ajax/s/s_operate.aspx',
	 method: "POST",
	 params: { t: "del", prid: prid },
	 success: function(response, options) {
	 var d = Ext.decode(response.responseText);
	 if (d.success == true) {
	 removeChildNodes(trNode);
	 parent.Ext.MessageBox.hide();
	 }
	 else {
	 msg("提示信息", "" + d.value + "");
	 }

	 },
	 failure: function() {
	 msg("提示信息", "服务器连接失败!");
	 }
	 });
	 }

	 },
	 icon: 'DeleteLoad',
	 animEl: 'saving'
	 }
	 );
	 }
	 });
	}

	//删除节点
	function removeChildNodes(node) {
	 while (node.firstChild) {
	 removeChildNodes(node.firstChild);
	 }

	 if (node.getDepth() != "0") {
	 node.remove();
	 }
	}

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试试其它关键字

　Ext　　tree　　右键菜单　　拖动排序　

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