ProgressBarPager.js
资源名称:ext-3.1.0.zip [点击查看]
上传用户:dawnssy
上传日期:2022-08-06
资源大小:9345k
文件大小:3k
源码类别:
JavaScript
开发平台:
JavaScript
- /*!
- * Ext JS Library 3.1.0
- * Copyright(c) 2006-2009 Ext JS, LLC
- * licensing@extjs.com
- * http://www.extjs.com/license
- */
- /**
- * @class Ext.ux.ProgressBarPager
- * @extends Object
- * Plugin (ptype = 'tabclosemenu') for displaying a progressbar inside of a paging toolbar instead of plain text
- *
- * @ptype progressbarpager
- * @constructor
- * Create a new ItemSelector
- * @param {Object} config Configuration options
- * @xtype itemselector
- */
- Ext.ux.ProgressBarPager = Ext.extend(Object, {
- /**
- * @cfg {Integer} progBarWidth
- * <p>The default progress bar width. Default is 225.</p>
- */
- progBarWidth : 225,
- /**
- * @cfg {String} defaultText
- * <p>The text to display while the store is loading. Default is 'Loading...'</p>
- */
- defaultText : 'Loading...',
- /**
- * @cfg {Object} defaultAnimCfg
- * <p>A {@link Ext.Fx Ext.Fx} configuration object. Default is { duration : 1, easing : 'bounceOut' }.</p>
- */
- defaultAnimCfg : {
- duration : 1,
- easing : 'bounceOut'
- },
- constructor : function(config) {
- if (config) {
- Ext.apply(this, config);
- }
- },
- //public
- init : function (parent) {
- if(parent.displayInfo){
- this.parent = parent;
- var ind = parent.items.indexOf(parent.displayItem);
- parent.remove(parent.displayItem, true);
- this.progressBar = new Ext.ProgressBar({
- text : this.defaultText,
- width : this.progBarWidth,
- animate : this.defaultAnimCfg
- });
- parent.displayItem = this.progressBar;
- parent.add(parent.displayItem);
- parent.doLayout();
- Ext.apply(parent, this.parentOverrides);
- this.progressBar.on('render', function(pb) {
- pb.mon(pb.getEl().applyStyles('cursor:pointer'), 'click', this.handleProgressBarClick, this);
- }, this, {single: true});
- }
- },
- // private
- // This method handles the click for the progress bar
- handleProgressBarClick : function(e){
- var parent = this.parent,
- displayItem = parent.displayItem,
- box = this.progressBar.getBox(),
- xy = e.getXY(),
- position = xy[0]-box.x,
- pages = Math.ceil(parent.store.getTotalCount()/parent.pageSize),
- newpage = Math.ceil(position/(displayItem.width/pages));
- parent.changePage(newpage);
- },
- // private, overriddes
- parentOverrides : {
- // private
- // This method updates the information via the progress bar.
- updateInfo : function(){
- if(this.displayItem){
- var count = this.store.getCount(),
- pgData = this.getPageData(),
- pageNum = this.readPage(pgData),
- msg = count == 0 ?
- this.emptyMsg :
- String.format(
- this.displayMsg,
- this.cursor+1, this.cursor+count, this.store.getTotalCount()
- );
- pageNum = pgData.activePage; ;
- var pct = pageNum / pgData.pages;
- this.displayItem.updateProgress(pct, msg, this.animate || this.defaultAnimConfig);
- }
- }
- }
- });
- Ext.preg('progressbarpager', Ext.ux.ProgressBarPager);