TaskBar.js
资源名称:ext-3.0.0.zip [点击查看]
上传用户:shuoshiled
上传日期:2018-01-28
资源大小:10124k
文件大小:14k
源码类别:
中间件编程
开发平台:
JavaScript
- /*! * Ext JS Library 3.0.0 * Copyright(c) 2006-2009 Ext JS, LLC * licensing@extjs.com * http://www.extjs.com/license */ /**
- * @class Ext.ux.TaskBar
- * @extends Ext.util.Observable
- */
- Ext.ux.TaskBar = function(app){
- this.app = app;
- this.init();
- }
- Ext.extend(Ext.ux.TaskBar, Ext.util.Observable, {
- init : function(){
- this.startMenu = new Ext.ux.StartMenu(Ext.apply({
- iconCls: 'user',
- height: 300,
- shadow: true,
- title: 'Jack Slocum',
- width: 300
- }, this.app.startConfig));
- this.startBtn = new Ext.Button({
- text: 'Start',
- id: 'ux-startbutton',
- iconCls:'start',
- menu: this.startMenu,
- menuAlign: 'bl-tl',
- renderTo: 'ux-taskbar-start',
- clickEvent: 'mousedown',
- template: new Ext.Template(
- '<table cellspacing="0" class="x-btn {3}"><tbody><tr>',
- '<td class="ux-startbutton-left"><i> </i></td>',
- '<td class="ux-startbutton-center"><em class="{5} unselectable="on">',
- '<button class="x-btn-text {2}" type="{1}" style="height:30px;">{0}</button>',
- '</em></td>',
- '<td class="ux-startbutton-right"><i> </i></td>',
- "</tr></tbody></table>")
- });
- var width = this.startBtn.getEl().getWidth()+10;
- var sbBox = new Ext.BoxComponent({
- el: 'ux-taskbar-start',
- id: 'TaskBarStart',
- minWidth: width,
- region:'west',
- split: true,
- width: width
- });
- this.tbPanel = new Ext.ux.TaskButtonsPanel({
- el: 'ux-taskbuttons-panel',
- id: 'TaskBarButtons',
- region:'center'
- });
- var container = new Ext.ux.TaskBarContainer({
- el: 'ux-taskbar',
- layout: 'border',
- items: [sbBox,this.tbPanel]
- });
- return this;
- },
- addTaskButton : function(win){
- return this.tbPanel.addButton(win, 'ux-taskbuttons-panel');
- },
- removeTaskButton : function(btn){
- this.tbPanel.removeButton(btn);
- },
- setActiveButton : function(btn){
- this.tbPanel.setActiveButton(btn);
- }
- });
- /**
- * @class Ext.ux.TaskBarContainer
- * @extends Ext.Container
- */
- Ext.ux.TaskBarContainer = Ext.extend(Ext.Container, {
- initComponent : function() {
- Ext.ux.TaskBarContainer.superclass.initComponent.call(this);
- this.el = Ext.get(this.el) || Ext.getBody();
- this.el.setHeight = Ext.emptyFn;
- this.el.setWidth = Ext.emptyFn;
- this.el.setSize = Ext.emptyFn;
- this.el.setStyle({
- overflow:'hidden',
- margin:'0',
- border:'0 none'
- });
- this.el.dom.scroll = 'no';
- this.allowDomMove = false;
- this.autoWidth = true;
- this.autoHeight = true;
- Ext.EventManager.onWindowResize(this.fireResize, this);
- this.renderTo = this.el;
- },
- fireResize : function(w, h){
- this.fireEvent('resize', this, w, h, w, h);
- }
- });
- /**
- * @class Ext.ux.TaskButtonsPanel
- * @extends Ext.BoxComponent
- */
- Ext.ux.TaskButtonsPanel = Ext.extend(Ext.BoxComponent, {
- activeButton: null,
- enableScroll: true,
- scrollIncrement: 0,
- scrollRepeatInterval: 400,
- scrollDuration: .35,
- animScroll: true,
- resizeButtons: true,
- buttonWidth: 168,
- minButtonWidth: 118,
- buttonMargin: 2,
- buttonWidthSet: false,
- initComponent : function() {
- Ext.ux.TaskButtonsPanel.superclass.initComponent.call(this);
- this.on('resize', this.delegateUpdates);
- this.items = [];
- this.stripWrap = Ext.get(this.el).createChild({
- cls: 'ux-taskbuttons-strip-wrap',
- cn: {
- tag:'ul', cls:'ux-taskbuttons-strip'
- }
- });
- this.stripSpacer = Ext.get(this.el).createChild({
- cls:'ux-taskbuttons-strip-spacer'
- });
- this.strip = new Ext.Element(this.stripWrap.dom.firstChild);
- this.edge = this.strip.createChild({
- tag:'li',
- cls:'ux-taskbuttons-edge'
- });
- this.strip.createChild({
- cls:'x-clear'
- });
- },
- addButton : function(win){
- var li = this.strip.createChild({tag:'li'}, this.edge); // insert before the edge
- var btn = new Ext.ux.TaskBar.TaskButton(win, li);
- this.items.push(btn);
- if(!this.buttonWidthSet){
- this.lastButtonWidth = btn.container.getWidth();
- }
- this.setActiveButton(btn);
- return btn;
- },
- removeButton : function(btn){
- var li = document.getElementById(btn.container.id);
- btn.destroy();
- li.parentNode.removeChild(li);
- var s = [];
- for(var i = 0, len = this.items.length; i < len; i++) {
- if(this.items[i] != btn){
- s.push(this.items[i]);
- }
- }
- this.items = s;
- this.delegateUpdates();
- },
- setActiveButton : function(btn){
- this.activeButton = btn;
- this.delegateUpdates();
- },
- delegateUpdates : function(){
- /*if(this.suspendUpdates){
- return;
- }*/
- if(this.resizeButtons && this.rendered){
- this.autoSize();
- }
- if(this.enableScroll && this.rendered){
- this.autoScroll();
- }
- },
- autoSize : function(){
- var count = this.items.length;
- var ow = this.el.dom.offsetWidth;
- var aw = this.el.dom.clientWidth;
- if(!this.resizeButtons || count < 1 || !aw){ // !aw for display:none
- return;
- }
- var each = Math.max(Math.min(Math.floor((aw-4) / count) - this.buttonMargin, this.buttonWidth), this.minButtonWidth); // -4 for float errors in IE
- var btns = this.stripWrap.dom.getElementsByTagName('button');
- this.lastButtonWidth = Ext.get(btns[0].id).findParent('li').offsetWidth;
- for(var i = 0, len = btns.length; i < len; i++) {
- var btn = btns[i];
- var tw = Ext.get(btns[i].id).findParent('li').offsetWidth;
- var iw = btn.offsetWidth;
- btn.style.width = (each - (tw-iw)) + 'px';
- }
- },
- autoScroll : function(){
- var count = this.items.length;
- var ow = this.el.dom.offsetWidth;
- var tw = this.el.dom.clientWidth;
- var wrap = this.stripWrap;
- var cw = wrap.dom.offsetWidth;
- var pos = this.getScrollPos();
- var l = this.edge.getOffsetsTo(this.stripWrap)[0] + pos;
- if(!this.enableScroll || count < 1 || cw < 20){ // 20 to prevent display:none issues
- return;
- }
- wrap.setWidth(tw); // moved to here because of problem in Safari
- if(l <= tw){
- wrap.dom.scrollLeft = 0;
- //wrap.setWidth(tw); moved from here because of problem in Safari
- if(this.scrolling){
- this.scrolling = false;
- this.el.removeClass('x-taskbuttons-scrolling');
- this.scrollLeft.hide();
- this.scrollRight.hide();
- }
- }else{
- if(!this.scrolling){
- this.el.addClass('x-taskbuttons-scrolling');
- }
- tw -= wrap.getMargins('lr');
- wrap.setWidth(tw > 20 ? tw : 20);
- if(!this.scrolling){
- if(!this.scrollLeft){
- this.createScrollers();
- }else{
- this.scrollLeft.show();
- this.scrollRight.show();
- }
- }
- this.scrolling = true;
- if(pos > (l-tw)){ // ensure it stays within bounds
- wrap.dom.scrollLeft = l-tw;
- }else{ // otherwise, make sure the active button is still visible
- this.scrollToButton(this.activeButton, true); // true to animate
- }
- this.updateScrollButtons();
- }
- },
- createScrollers : function(){
- var h = this.el.dom.offsetHeight; //var h = this.stripWrap.dom.offsetHeight;
- // left
- var sl = this.el.insertFirst({
- cls:'ux-taskbuttons-scroller-left'
- });
- sl.setHeight(h);
- sl.addClassOnOver('ux-taskbuttons-scroller-left-over');
- this.leftRepeater = new Ext.util.ClickRepeater(sl, {
- interval : this.scrollRepeatInterval,
- handler: this.onScrollLeft,
- scope: this
- });
- this.scrollLeft = sl;
- // right
- var sr = this.el.insertFirst({
- cls:'ux-taskbuttons-scroller-right'
- });
- sr.setHeight(h);
- sr.addClassOnOver('ux-taskbuttons-scroller-right-over');
- this.rightRepeater = new Ext.util.ClickRepeater(sr, {
- interval : this.scrollRepeatInterval,
- handler: this.onScrollRight,
- scope: this
- });
- this.scrollRight = sr;
- },
- getScrollWidth : function(){
- return this.edge.getOffsetsTo(this.stripWrap)[0] + this.getScrollPos();
- },
- getScrollPos : function(){
- return parseInt(this.stripWrap.dom.scrollLeft, 10) || 0;
- },
- getScrollArea : function(){
- return parseInt(this.stripWrap.dom.clientWidth, 10) || 0;
- },
- getScrollAnim : function(){
- return {
- duration: this.scrollDuration,
- callback: this.updateScrollButtons,
- scope: this
- };
- },
- getScrollIncrement : function(){
- return (this.scrollIncrement || this.lastButtonWidth+2);
- },
- /* getBtnEl : function(item){
- return document.getElementById(item.id);
- }, */
- scrollToButton : function(item, animate){
- item = item.el.dom.parentNode; // li
- if(!item){ return; }
- var el = item; //this.getBtnEl(item);
- var pos = this.getScrollPos(), area = this.getScrollArea();
- var left = Ext.fly(el).getOffsetsTo(this.stripWrap)[0] + pos;
- var right = left + el.offsetWidth;
- if(left < pos){
- this.scrollTo(left, animate);
- }else if(right > (pos + area)){
- this.scrollTo(right - area, animate);
- }
- },
- scrollTo : function(pos, animate){
- this.stripWrap.scrollTo('left', pos, animate ? this.getScrollAnim() : false);
- if(!animate){
- this.updateScrollButtons();
- }
- },
- onScrollRight : function(){
- var sw = this.getScrollWidth()-this.getScrollArea();
- var pos = this.getScrollPos();
- var s = Math.min(sw, pos + this.getScrollIncrement());
- if(s != pos){
- this.scrollTo(s, this.animScroll);
- }
- },
- onScrollLeft : function(){
- var pos = this.getScrollPos();
- var s = Math.max(0, pos - this.getScrollIncrement());
- if(s != pos){
- this.scrollTo(s, this.animScroll);
- }
- },
- updateScrollButtons : function(){
- var pos = this.getScrollPos();
- this.scrollLeft[pos == 0 ? 'addClass' : 'removeClass']('ux-taskbuttons-scroller-left-disabled');
- this.scrollRight[pos >= (this.getScrollWidth()-this.getScrollArea()) ? 'addClass' : 'removeClass']('ux-taskbuttons-scroller-right-disabled');
- }
- });
- /**
- * @class Ext.ux.TaskBar.TaskButton
- * @extends Ext.Button
- */
- Ext.ux.TaskBar.TaskButton = function(win, el){
- this.win = win;
- Ext.ux.TaskBar.TaskButton.superclass.constructor.call(this, {
- iconCls: win.iconCls,
- text: Ext.util.Format.ellipsis(win.title, 12),
- renderTo: el,
- handler : function(){
- if(win.minimized || win.hidden){
- win.show();
- }else if(win == win.manager.getActive()){
- win.minimize();
- }else{
- win.toFront();
- }
- },
- clickEvent:'mousedown',
- template: new Ext.Template(
- '<table cellspacing="0" class="x-btn {3}"><tbody><tr>',
- '<td class="ux-taskbutton-left"><i> </i></td>',
- '<td class="ux-taskbutton-center"><em class="{5} unselectable="on">',
- '<button class="x-btn-text {2}" type="{1}" style="height:28px;">{0}</button>',
- '</em></td>',
- '<td class="ux-taskbutton-right"><i> </i></td>',
- "</tr></tbody></table>")
- });
- };
- Ext.extend(Ext.ux.TaskBar.TaskButton, Ext.Button, {
- onRender : function(){
- Ext.ux.TaskBar.TaskButton.superclass.onRender.apply(this, arguments);
- this.cmenu = new Ext.menu.Menu({
- items: [{
- text: 'Restore',
- handler: function(){
- if(!this.win.isVisible()){
- this.win.show();
- }else{
- this.win.restore();
- }
- },
- scope: this
- },{
- text: 'Minimize',
- handler: this.win.minimize,
- scope: this.win
- },{
- text: 'Maximize',
- handler: this.win.maximize,
- scope: this.win
- }, '-', {
- text: 'Close',
- handler: this.closeWin.createDelegate(this, this.win, true),
- scope: this.win
- }]
- });
- this.cmenu.on('beforeshow', function(){
- var items = this.cmenu.items.items;
- var w = this.win;
- items[0].setDisabled(w.maximized !== true && w.hidden !== true);
- items[1].setDisabled(w.minimized === true);
- items[2].setDisabled(w.maximized === true || w.hidden === true);
- }, this);
- this.el.on('contextmenu', function(e){
- e.stopEvent();
- if(!this.cmenu.el){
- this.cmenu.render();
- }
- var xy = e.getXY();
- xy[1] -= this.cmenu.el.getHeight();
- this.cmenu.showAt(xy);
- }, this);
- },
- closeWin : function(cMenu, e, win){
- if(!win.isVisible()){
- win.show();
- }else{
- win.restore();
- }
- win.close();
- }
- });