中间件编程

开发平台：
JavaScript

pkg-toolbars.js：源码内容
							/*
 * Ext JS Library 3.0.0
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
Ext.layout.ToolbarLayout=Ext.extend(Ext.layout.ContainerLayout,{monitorResize:true,triggerWidth:18,lastOverflow:false,noItemsMenuText:'<div class="x-toolbar-no-items">(None)</div>',onLayout:function(d,f){if(!this.leftTr){f.addClass("x-toolbar-layout-ct");f.insertHtml("beforeEnd",'<table cellspacing="0" class="x-toolbar-ct"><tbody><tr><td class="x-toolbar-left" align="left"><table cellspacing="0"><tbody><tr class="x-toolbar-left-row"></tr></tbody></table></td><td class="x-toolbar-right" align="right"><table cellspacing="0" class="x-toolbar-right-ct"><tbody><tr><td><table cellspacing="0"><tbody><tr class="x-toolbar-right-row"></tr></tbody></table></td><td><table cellspacing="0"><tbody><tr class="x-toolbar-extras-row"></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table>');this.leftTr=f.child("tr.x-toolbar-left-row",true);this.rightTr=f.child("tr.x-toolbar-right-row",true);this.extrasTr=f.child("tr.x-toolbar-extras-row",true)}var g=this.leftTr;var k=0;var h=d.items.items;for(var b=0,e=h.length,j;b<e;b++,k++){j=h[b];if(j.isFill){g=this.rightTr;k=-1}else{if(!j.rendered){j.render(this.insertCell(j,g,k))}else{if(!j.xtbHidden&&!this.isValidParent(j,g.childNodes[k])){var a=this.insertCell(j,g,k);a.appendChild(j.getDomPositionEl().dom);j.container=Ext.get(a)}}}}this.cleanup(this.leftTr);this.cleanup(this.rightTr);this.cleanup(this.extrasTr);this.fitToSize(f)},cleanup:function(b){var e=b.childNodes;for(var a=e.length-1,d;a>=0&&(d=e[a]);a--){if(!d.firstChild){b.removeChild(d)}}},insertCell:function(e,a,d){var b=document.createElement("td");b.className="x-toolbar-cell";a.insertBefore(b,a.childNodes[d]||null);return b},hideItem:function(b){var a=(this.hiddens=this.hiddens||[]);a.push(b);b.xtbHidden=true;b.xtbWidth=b.getDomPositionEl().dom.parentNode.offsetWidth;b.hide()},unhideItem:function(a){a.show();a.xtbHidden=false;this.hiddens.remove(a);if(this.hiddens.length<1){delete this.hiddens}},getItemWidth:function(a){return a.hidden?(a.xtbWidth||0):a.getDomPositionEl().dom.parentNode.offsetWidth},fitToSize:function(m){if(this.container.enableOverflow===false){return}var l=m.dom.clientWidth;var b=this.lastWidth||0;this.lastWidth=l;var d=m.dom.firstChild.offsetWidth;var k=l-this.triggerWidth;var j=-1;if(d>l||(this.hiddens&&l>=b)){var e,g=this.container.items.items,f=g.length,h;var a=0;for(e=0;e<f;e++){h=g[e];if(!h.isFill){a+=this.getItemWidth(h);if(a>k){if(!h.xtbHidden){this.hideItem(h)}}else{if(h.xtbHidden){this.unhideItem(h)}}}}}if(this.hiddens){this.initMore();if(!this.lastOverflow){this.container.fireEvent("overflowchange",this.container,true);this.lastOverflow=true}}else{if(this.more){this.clearMenu();this.more.destroy();delete this.more;if(this.lastOverflow){this.container.fireEvent("overflowchange",this.container,false);this.lastOverflow=false}}}},createMenuConfig:function(e,b){var a=Ext.apply({},e.initialConfig),d=e.toggleGroup;Ext.apply(a,{text:e.overflowText||e.text,iconCls:e.iconCls,icon:e.icon,itemId:e.itemId,disabled:e.disabled,handler:e.handler,scope:e.scope,menu:e.menu,hideOnClick:b});if(d||e.enableToggle){Ext.apply(a,{group:d,checked:e.pressed,listeners:{checkchange:function(f,c){e.toggle(c)}}})}delete a.xtype;delete a.id;return a},addComponentToMenu:function(a,b){if(b instanceof Ext.Toolbar.Separator){a.add("-")}else{if(Ext.isFunction(b.isXType)){if(b.isXType("splitbutton")){a.add(this.createMenuConfig(b,true))}else{if(b.isXType("button")){a.add(this.createMenuConfig(b,!b.menu))}else{if(b.isXType("buttongroup")){b.items.each(function(c){this.addComponentToMenu(a,c)},this)}}}}}},clearMenu:function(){var a=this.moreMenu;if(a&&a.items){this.moreMenu.items.each(function(b){delete b.menu})}},beforeMoreShow:function(b){var f=this.container.items.items,a=f.length,j,g,d=function(h,c){return h.isXType("buttongroup")&&!(c instanceof Ext.Toolbar.Separator)};this.clearMenu();b.removeAll();for(var e=0;e<a;e++){j=f[e];if(j.xtbHidden){if(g&&(d(j,g)||d(g,j))){b.add("-")}this.addComponentToMenu(b,j);g=j}}if(b.items.length<1){b.add(this.noItemsMenuText)}},initMore:function(){if(!this.more){this.moreMenu=new Ext.menu.Menu({listeners:{beforeshow:this.beforeMoreShow,scope:this}});this.more=new Ext.Button({iconCls:"x-toolbar-more-icon",cls:"x-toolbar-more",menu:this.moreMenu});var a=this.insertCell(this.more,this.extrasTr,100);this.more.render(a)}},destroy:function(){Ext.destroy(this.more,this.moreMenu);Ext.layout.ToolbarLayout.superclass.destroy.call(this)}});Ext.Container.LAYOUTS.toolbar=Ext.layout.ToolbarLayout;Ext.Toolbar=function(a){if(Ext.isArray(a)){a={items:a,layout:"toolbar"}}else{a=Ext.apply({layout:"toolbar"},a);if(a.buttons){a.items=a.buttons}}Ext.Toolbar.superclass.constructor.call(this,a)};(function(){var a=Ext.Toolbar;Ext.extend(a,Ext.Container,{defaultType:"button",trackMenus:true,internalDefaults:{removeMode:"container",hideParent:true},toolbarCls:"x-toolbar",initComponent:function(){a.superclass.initComponent.call(this);this.addEvents("overflowchange")},onRender:function(c,b){if(!this.el){if(!this.autoCreate){this.autoCreate={cls:this.toolbarCls+" x-small-editor"}}this.el=c.createChild(Ext.apply({id:this.id},this.autoCreate),b)}},lookupComponent:function(b){if(Ext.isString(b)){if(b=="-"){b=new a.Separator()}else{if(b==" "){b=new a.Spacer()}else{if(b=="->"){b=new a.Fill()}else{b=new a.TextItem(b)}}}this.applyDefaults(b)}else{if(b.isFormField||b.render){b=this.constructItem(b)}else{if(b.tag){b=new a.Item({autoEl:b})}else{if(b.tagName){b=new a.Item({el:b})}else{if(Ext.isObject(b)){b=b.xtype?this.constructItem(b):this.constructButton(b)}}}}}return b},applyDefaults:function(e){if(!Ext.isString(e)){e=Ext.Toolbar.superclass.applyDefaults.call(this,e);var b=this.internalDefaults;if(e.events){Ext.applyIf(e.initialConfig,b);Ext.apply(e,b)}else{Ext.applyIf(e,b)}}return e},constructItem:function(c,b){return Ext.create(c,b||this.defaultType)},addSeparator:function(){return this.add(new a.Separator())},addSpacer:function(){return this.add(new a.Spacer())},addFill:function(){this.add(new a.Fill())},addElement:function(b){return this.addItem(new a.Item({el:b}))},addItem:function(b){return Ext.Toolbar.superclass.add.apply(this,arguments)},addButton:function(c){if(Ext.isArray(c)){var e=[];for(var d=0,b=c.length;d<b;d++){e.push(this.addButton(c[d]))}return e}return this.add(this.constructButton(c))},addText:function(b){return this.addItem(new a.TextItem(b))},addDom:function(b){return this.add(new a.Item({autoEl:b}))},addField:function(b){return this.add(b)},insertButton:function(c,f){if(Ext.isArray(f)){var e=[];for(var d=0,b=f.length;d<b;d++){e.push(this.insertButton(c+d,f[d]))}return e}return Ext.Toolbar.superclass.insert.call(this,c,f)},initMenuTracking:function(b){if(this.trackMenus&&b.menu){this.mon(b,{menutriggerover:this.onButtonTriggerOver,menushow:this.onButtonMenuShow,menuhide:this.onButtonMenuHide,scope:this})}},constructButton:function(d){var c=d.events?d:this.constructItem(d,d.split?"splitbutton":this.defaultType);this.initMenuTracking(c);return c},onDisable:function(){this.items.each(function(b){if(b.disable){b.disable()}})},onEnable:function(){this.items.each(function(b){if(b.enable){b.enable()}})},onButtonTriggerOver:function(b){if(this.activeMenuBtn&&this.activeMenuBtn!=b){this.activeMenuBtn.hideMenu();b.showMenu();this.activeMenuBtn=b}},onButtonMenuShow:function(b){this.activeMenuBtn=b},onButtonMenuHide:function(b){delete this.activeMenuBtn}});Ext.reg("toolbar",Ext.Toolbar);a.Item=Ext.extend(Ext.BoxComponent,{hideParent:true,enable:Ext.emptyFn,disable:Ext.emptyFn,focus:Ext.emptyFn});Ext.reg("tbitem",a.Item);a.Separator=Ext.extend(a.Item,{onRender:function(c,b){this.el=c.createChild({tag:"span",cls:"xtb-sep"},b)}});Ext.reg("tbseparator",a.Separator);a.Spacer=Ext.extend(a.Item,{onRender:function(c,b){this.el=c.createChild({tag:"div",cls:"xtb-spacer",style:this.width?"width:"+this.width+"px":""},b)}});Ext.reg("tbspacer",a.Spacer);a.Fill=Ext.extend(a.Item,{render:Ext.emptyFn,isFill:true});Ext.reg("tbfill",a.Fill);a.TextItem=Ext.extend(a.Item,{constructor:function(b){if(Ext.isString(b)){b={autoEl:{cls:"xtb-text",html:b}}}else{b.autoEl={cls:"xtb-text",html:b.text||""}}a.TextItem.superclass.constructor.call(this,b)},setText:function(b){if(this.rendered){this.el.dom.innerHTML=b}else{this.autoEl.html=b}}});Ext.reg("tbtext",a.TextItem);a.Button=Ext.extend(Ext.Button,{});a.SplitButton=Ext.extend(Ext.SplitButton,{});Ext.reg("tbbutton",a.Button);Ext.reg("tbsplit",a.SplitButton)})();Ext.ButtonGroup=Ext.extend(Ext.Panel,{baseCls:"x-btn-group",layout:"table",defaultType:"button",frame:true,internalDefaults:{removeMode:"container",hideParent:true},initComponent:function(){this.layoutConfig=this.layoutConfig||{};Ext.applyIf(this.layoutConfig,{columns:this.columns});if(!this.title){this.addClass("x-btn-group-notitle")}this.on("afterlayout",this.onAfterLayout,this);Ext.ButtonGroup.superclass.initComponent.call(this)},applyDefaults:function(b){b=Ext.ButtonGroup.superclass.applyDefaults.call(this,b);var a=this.internalDefaults;if(b.events){Ext.applyIf(b.initialConfig,a);Ext.apply(b,a)}else{Ext.applyIf(b,a)}return b},onAfterLayout:function(){var a=this.body.getFrameWidth("lr")+this.body.dom.firstChild.offsetWidth;this.body.setWidth(a);this.el.setWidth(a+this.getFrameWidth())}});Ext.reg("buttongroup",Ext.ButtonGroup);(function(){var a=Ext.Toolbar;Ext.PagingToolbar=Ext.extend(Ext.Toolbar,{pageSize:20,displayMsg:"Displaying {0} - {1} of {2}",emptyMsg:"No data to display",beforePageText:"Page",afterPageText:"of {0}",firstText:"First Page",prevText:"Previous Page",nextText:"Next Page",lastText:"Last Page",refreshText:"Refresh",initComponent:function(){var c=[this.first=new a.Button({tooltip:this.firstText,overflowText:this.firstText,iconCls:"x-tbar-page-first",disabled:true,handler:this.moveFirst,scope:this}),this.prev=new a.Button({tooltip:this.prevText,overflowText:this.prevText,iconCls:"x-tbar-page-prev",disabled:true,handler:this.movePrevious,scope:this}),"-",this.beforePageText,this.inputItem=new Ext.form.NumberField({cls:"x-tbar-page-number",allowDecimals:false,allowNegative:false,enableKeyEvents:true,selectOnFocus:true,listeners:{scope:this,keydown:this.onPagingKeyDown,blur:this.onPagingBlur}}),this.afterTextItem=new a.TextItem({text:String.format(this.afterPageText,1)}),"-",this.next=new a.Button({tooltip:this.nextText,overflowText:this.nextText,iconCls:"x-tbar-page-next",disabled:true,handler:this.moveNext,scope:this}),this.last=new a.Button({tooltip:this.lastText,overflowText:this.lastText,iconCls:"x-tbar-page-last",disabled:true,handler:this.moveLast,scope:this}),"-",this.refresh=new a.Button({tooltip:this.refreshText,overflowText:this.refreshText,iconCls:"x-tbar-loading",handler:this.refresh,scope:this})];var b=this.items||this.buttons||[];if(this.prependButtons){this.items=b.concat(c)}else{this.items=c.concat(b)}delete this.buttons;if(this.displayInfo){this.items.push("->");this.items.push(this.displayItem=new a.TextItem({}))}Ext.PagingToolbar.superclass.initComponent.call(this);this.addEvents("change","beforechange");this.on("afterlayout",this.onFirstLayout,this,{single:true});this.cursor=0;this.bindStore(this.store)},onFirstLayout:function(){if(this.dsLoaded){this.onLoad.apply(this,this.dsLoaded)}},updateInfo:function(){if(this.displayItem){var b=this.store.getCount();var c=b==0?this.emptyMsg:String.format(this.displayMsg,this.cursor+1,this.cursor+b,this.store.getTotalCount());this.displayItem.setText(c)}},onLoad:function(b,e,i){if(!this.rendered){this.dsLoaded=[b,e,i];return}var f=this.getParams();this.cursor=(i.params&&i.params[f.start])?i.params[f.start]:0;var h=this.getPageData(),c=h.activePage,g=h.pages;this.afterTextItem.setText(String.format(this.afterPageText,h.pages));this.inputItem.setValue(c);this.first.setDisabled(c==1);this.prev.setDisabled(c==1);this.next.setDisabled(c==g);this.last.setDisabled(c==g);this.refresh.enable();this.updateInfo();this.fireEvent("change",this,h)},getPageData:function(){var b=this.store.getTotalCount();return{total:b,activePage:Math.ceil((this.cursor+this.pageSize)/this.pageSize),pages:b<this.pageSize?1:Math.ceil(b/this.pageSize)}},changePage:function(b){this.doLoad(((b-1)*this.pageSize).constrain(0,this.store.getTotalCount()))},onLoadError:function(){if(!this.rendered){return}this.refresh.enable()},readPage:function(e){var b=this.inputItem.getValue(),c;if(!b||isNaN(c=parseInt(b,10))){this.inputItem.setValue(e.activePage);return false}return c},onPagingFocus:function(){this.inputItem.select()},onPagingBlur:function(b){this.inputItem.setValue(this.getPageData().activePage)},onPagingKeyDown:function(h,g){var c=g.getKey(),i=this.getPageData(),f;if(c==g.RETURN){g.stopEvent();f=this.readPage(i);if(f!==false){f=Math.min(Math.max(1,f),i.pages)-1;this.doLoad(f*this.pageSize)}}else{if(c==g.HOME||c==g.END){g.stopEvent();f=c==g.HOME?1:i.pages;h.setValue(f)}else{if(c==g.UP||c==g.PAGEUP||c==g.DOWN||c==g.PAGEDOWN){g.stopEvent();if((f=this.readPage(i))){var b=g.shiftKey?10:1;if(c==g.DOWN||c==g.PAGEDOWN){b*=-1}f+=b;if(f>=1&f<=i.pages){h.setValue(f)}}}}}},getParams:function(){return this.paramNames||this.store.paramNames},beforeLoad:function(){if(this.rendered&&this.refresh){this.refresh.disable()}},doLoad:function(d){var c={},b=this.getParams();c[b.start]=d;c[b.limit]=this.pageSize;if(this.fireEvent("beforechange",this,c)!==false){this.store.load({params:c})}},moveFirst:function(){this.doLoad(0)},movePrevious:function(){this.doLoad(Math.max(0,this.cursor-this.pageSize))},moveNext:function(){this.doLoad(this.cursor+this.pageSize)},moveLast:function(){var c=this.store.getTotalCount(),b=c%this.pageSize;this.doLoad(b?(c-b):c-this.pageSize)},refresh:function(){this.doLoad(this.cursor)},bindStore:function(c,d){var b;if(!d&&this.store){this.store.un("beforeload",this.beforeLoad,this);this.store.un("load",this.onLoad,this);this.store.un("exception",this.onLoadError,this);if(c!==this.store&&this.store.autoDestroy){this.store.destroy()}}if(c){c=Ext.StoreMgr.lookup(c);c.on({scope:this,beforeload:this.beforeLoad,load:this.onLoad,exception:this.onLoadError});b=c.getCount()>0}this.store=c;if(b){this.onLoad(c,null,{})}},unbind:function(b){this.bindStore(null)},bind:function(b){this.bindStore(b)},onDestroy:function(){this.bindStore(null);Ext.PagingToolbar.superclass.onDestroy.call(this)}})})();Ext.reg("paging",Ext.PagingToolbar);

						