ExtJS中layout的12种布局风格
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extjs的容器组件都可以设置它的显示风格,它的有效值有 absolute, accordion, anchor, border, card, column, fit, form and table. 一共9种。
另外几种见:
http://www.sencha.com/deploy/dev/examples/layout-browser/layout-browser.html
里面有详细的例子。
absolute 顾名思义,在容器内部,根据指定的坐标定位显示
accordion 这个是最容易记的,手风琴效果
anchor 这个效果具体还不知道有什么用,就是知道注意一下
1.容器内的组件要么指定宽度,要么在anchor中同时指定高/宽,
2.anchor值通常只能为负值(指非百分比值),正值没有意义,
3.anchor必须为字符串值
border 将容器分为五个区域:east,south,west,north,center
card 像安装向导一样,一张一张显示
column 把整个容器看成一列,然后向容器放入子元素时
fit 一个子元素将充满整个容器(如果多个子元素则只有一个元素充满整个容器)
form 是一种专门用于管理表单中输入字段的布局
table 按照普通表格的方法布局子元素,用layoutConfig:{columns:3},//将父容器分成3列 Table布局由类Ext.layout.TableLayout定义,类以于html中的table,可以对行或列进行合并。
layoutConfig使用columns指定父容器分成3列,
rowspan合并行数目。
colspan合并列数目。
详细出处参考:http://www.jb51.net/article/20295.htm
另外几种见:
http://www.sencha.com/deploy/dev/examples/layout-browser/layout-browser.html
里面有详细的例子。
Java 代码
- Ext.onReady(function(){
- var panel=new Ext.Panel(//Ext.formPanel 就是Panel中用了form布局
- {
- renderTo:'paneldiv',
- title:'容器组件',
- layout:'accordion',
- width:500,
- height:200,
- layoutConfig:{animate:false},
- items:[
- {title:'元素1',html:''},
- {title:'元素2',html:''},
- {title:'元素3',html:''},
- {title:'元素4',html:''}
- ]
- }
- );
- });
Ext.OnReady(function(){var panel=new Ext.Panel(//Ext.formPanel就是Panel中用了form布局 { renderTo:'paneldiv', title:'容器组件', layout:'accordion', width:500, height:200, layoutConfig:{animate:false}, items:[ {title:'元素1',html:''}, {title:'元素2',html:''}, {title:'元素3',html:''}, {title:'元素4',html:''} ] } );});
1.容器内的组件要么指定宽度,要么在anchor中同时指定高/宽,
2.anchor值通常只能为负值(指非百分比值),正值没有意义,
3.anchor必须为字符串值
Java 代码
- Ext.onReady(function() {
- var panel1 = new Ext.Panel({
- title: "panel1",
- height: 100,
- anchor: '-50',
- html: "高度等于100,宽度=容器宽度-50"
- });
- var panel2 = new Ext.Panel({
- title: "panel2",
- height: 100,
- anchor: '50%',
- html: "高度等于100,宽度=容器宽度的50%"
- });
- var panel3 = new Ext.Panel({
- title: "panel3",
- anchor: '-10, -250',
- html: "宽度=容器宽度-10,高度=容器宽度-250"
- });
- var win = new Ext.Window({
- title: "Anchor Layout",
- height: 400,
- width: 400,
- plain: true,
- layout: 'anchor',
- items: [panel1, panel2,panel3]
- });
- win.show();
- });
Ext.onReady(function() { var panel1 = new Ext.Panel({ title: "panel1", height: 100, anchor: '-50', html: "高度等于100,宽度=容器宽度-50" }); var panel2 = new Ext.Panel({ title: "panel2", height: 100, anchor: '50%', html: "高度等于100,宽度=容器宽度的50%" }); var panel3 = new Ext.Panel({ title: "panel3", anchor: '-10, -250', html: "宽度=容器宽度-10,高度=容器宽度-250" }); var win = new Ext.Window({ title: "Anchor Layout", height: 400, width: 400, plain: true, layout: 'anchor', items: [panel1, panel2,panel3] }); win.show(); });
Java 代码
- Ext.onReady(function() {
- var button = Ext.get('show-btn');
- var win;
- button.on('click', function() {
- //创建TabPanel
- var tabs = new Ext.TabPanel({
- region: 'center', //border 布局,将页面分成东,南,西,北,中五部分,这里表示TabPanel放在中间
- margins: '3 3 3 0',
- activeTab: 0,
- defaults: {
- autoScroll: true
- },
- items: [{
- title: 'Bogus Tab',
- html: "第一个Tab的内容."
- }, {
- title: 'Another Tab',
- html: "我是另一个Tab"
- }, {
- title: 'Closable Tab',
- html: "这是一个可以关闭的Tab",
- closable: true
- }]
- });
- //定义一个Panel
- var nav = new Ext.Panel({
- title: 'Navigation',
- region: 'west', //放在西边,即左侧
- split: true,
- width: 200,
- collapsible: true, //允许伸缩
- margins: '3 0 3 3',
- cmargins: '3 3 3 3'
- });
- //如果窗口第一次被打开时才创建
- if (!win) {
- win = new Ext.Window({
- title: 'Layout Window',
- closable: true,
- width: 600,
- height: 350,
- border : false,
- plain: true,
- layout: 'border',
- closeAction:'hide',
- items: [nav, tabs]//把上面创建的panel和TabPanel放在window中,并采用border方式布局
- });
- }
- win.show(button);
- });
- });
Ext.onReady(function() { var button = Ext.get('show-btn'); var win; button.on('click', function() { //创建TabPanel var tabs = new Ext.TabPanel({ region: 'center', //border布局,将页面分成东,南,西,北,中五部分,这里表示TabPanel放在中间 margins: '3 3 3 0', activeTab: 0, defaults: { autoScroll: true }, items: [{ title: 'Bogus Tab', html: "第一个Tab的内容." }, { title: 'Another Tab', html: "我是另一个Tab" }, { title: 'Closable Tab', html: "这是一个可以关闭的Tab", closable: true}] }); //定义一个Panel var nav = new Ext.Panel({ title: 'Navigation', region: 'west', //放在西边,即左侧 split: true, width: 200, collapsible: true, //允许伸缩 margins: '3 0 3 3', cmargins: '3 3 3 3' }); //如果窗口第一次被打开时才创建 if (!win) { win = new Ext.Window({ title: 'Layout Window', closable: true, width: 600, height: 350, border : false, plain: true, layout: 'border', closeAction:'hide', items: [nav, tabs]//把上面创建的panel和TabPanel放在window中,并采用border方式布局 }); } win.show(button); }); });
Java 代码
- Ext.onReady(function() {
- var i = 0;
- var navHandler = function(direction) {
- if (direction == -1) {
- i--;
- if (i < 0) { i = 0; }
- }
- if (direction == 1) {
- i++;
- if (i > 2) { i = 2; return false; }
- }
- var btnNext = Ext.get("move-next").dom.document.getElementsByTagName("button")[1];
- var btnBack = Ext.get("move-next").dom.document.getElementsByTagName("button")[0];
- if (i == 0) {
- btnBack.disabled = true;
- }
- else {
- btnBack.disabled = false;
- }
- if (i == 2) {
- btnNext.value = "完成";
- btnNext.disabled = true;
- }
- else {
- btnNext.value = "下一步";
- btnNext.disabled = false;
- }
- card.getLayout().setActiveItem(i);
- };
- var card = new Ext.Panel({
- width: 200,
- height: 200,
- title: '注册向导',
- layout: 'card',
- activeItem: 0, // make sure the active item is set on the container config!
- bodyStyle: 'padding:15px',
- defaults: {
- border: false
- },
- bbar: [
- {
- id: 'move-prev',
- text: '上一步',
- handler: navHandler.createDelegate(this, [-1])
- },
- '->',
- {
- id: 'move-next',
- text: '下一步',
- handler: navHandler.createDelegate(this, [1])
- }
- ],
- items: [{
- id: 'card-0',
- html: '<h1>欢迎来到注册向导!</h1><p>Step 1 of 3< /p>'
- }, {
- id: 'card-1',
- html: '<h1>请填写注册资料!</h1><p>Step 2 of 3< /p>'
- }, {
- id: 'card-2',
- html: '<h1>注册成功!</h1><p>Step 3 of 3 - Complete</p>'
- }],
- renderTo: "container"
- });
- });
Ext.onReady(function() { var i = 0; var navHandler = function(direction) { if (direction == -1) { i--; if (i < 0) { i = 0; } } if (direction == 1) { i++; if (i > 2) { i = 2; return false; } } var btnNext = Ext.get("move-next").dom.document.getElementsByTagName("button")[1]; var btnBack = Ext.get("move-next").dom.document.getElementsByTagName("button")[0]; if (i == 0) { btnBack.disabled = true; } else { btnBack.disabled = false; } if (i == 2) { btnNext.value = "完成"; btnNext.disabled = true; } else { btnNext.value = "下一步"; btnNext.disabled = false; } card.getLayout().setActiveItem(i); }; var card = new Ext.Panel({ width: 200, height: 200, title: '注册向导', layout: 'card', activeItem: 0, // make sure the active item is set on the container config! bodyStyle: 'padding:15px', defaults: { border: false }, bbar: [ { id: 'move-prev', text: '上一步', handler: navHandler.createDelegate(this, [-1]) }, '->', { id: 'move-next', text: '下一步', handler: navHandler.createDelegate(this, [1]) } ], items: [{ id: 'card-0', html: '<h1>欢迎来到注册向导!</h1><p>Step 1 of 3</p>' }, { id: 'card-1', html: '<h1>请填写注册资料!</h1><p>Step 2 of 3</p>' }, { id: 'card-2', html: '<h1>注册成功!</h1><p>Step 3 of 3 - Complete</p>'}], renderTo: "container" }); });
Java 代码
- Ext.onReady(function() {
- var win = new Ext.Window({
- title: "Column Layout",
- height: 300,
- width: 400,
- plain: true,
- layout: 'column',
- items: [{
- title:"width=50%",
- columnWidth:0.5,
- html:"width=(容器宽度-容器内其它组件固定宽度)*50%",
- height:200
- },
- {
- title:"width=250px",
- width: 200,
- height:100,
- html:"固定宽度为250px"
- }
- ]
- });
- win.show();
- });
Ext.onReady(function() { var win = new Ext.Window({ title: "Column Layout", height: 300, width: 400, plain: true, layout: 'column', items: [{ title:"width=50%", columnWidth:0.5, html:"width=(容器宽度-容器内其它组件固定宽度)*50%", height:200 }, { title:"width=250px", width: 200, height:100, html:"固定宽度为250px" } ] }); win.show(); });
Java 代码
- Ext.onReady(function(){
- var panel=new Ext.Panel(
- {
- renderTo:'paneldiv',
- title:'容器组件',
- layout:'fit',
- width:500,
- height:100,
- items:[
- {title:'子元素1'},
- {title:'子元素2'},
- {title:'子元素3'},
- {title:'子元素4'},
- {title:'子元素5'}
- ]
- }
- );
- });
Ext.OnReady(function(){var panel=new Ext.Panel( { renderTo:'paneldiv', title:'容器组件', layout:'fit', width:500, height:100, items:[ {title:'子元素1'}, {title:'子元素2'}, {title:'子元素3'}, {title:'子元素4'}, {title:'子元素5'} ] } );});
Java 代码
- Ext.onReady(function() {
- var win = new Ext.Window({
- title: "form Layout",
- height: 150,
- width: 230,
- plain: true,
- bodyStyle: 'padding:15px',
- items:
- {
- xtype: "form",
- labelWidth: 30,
- defaultType: "textfield",
- frame:true,
- items:
- [
- {
- fieldLabel:"姓名",
- name:"username",
- allowBlank:false
- },
- {
- fieldLabel:"呢称",
- name:"nickname"
- },
- {
- fieldLabel: "生日",
- xtype:'datefield',
- name: "birthday",
- width:127
- }
- ]
- }
- });
- win.show();
- });
Ext.onReady(function() { var win = new Ext.Window({ title: "form Layout", height: 150, width: 230, plain: true, bodyStyle: 'padding:15px', items: { xtype: "form", labelWidth: 30, defaultType: "textfield", frame:true, items: [ { fieldLabel:"姓名", name:"username", allowBlank:false }, { fieldLabel:"呢称", name:"nickname" }, { fieldLabel: "生日", xtype:'datefield', name: "birthday", width:127 } ] } }); win.show(); });
layoutConfig使用columns指定父容器分成3列,
rowspan合并行数目。
colspan合并列数目。
详细出处参考:http://www.jb51.net/article/20295.htm
Java 代码
- Ext.onReady(function(){
- var panel=new Ext.Panel(
- {
- renderTo:'paneldiv',
- title:'容器组件',
- layout:'table',
- width:500,
- height:200,
- layoutConfig:{columns:3},//将父容器分成3列
- items:[
- {title:'元素1',html:'ssssssssss',rowspan:2,height:100},
- {title:'元素2',html:'dfffsddsdfsdf',colspan:2},
- {title:'元素3',html:'sdfsdfsdf'},
- {title:'元素4',html:''}
- ]
- }
- );
- });
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