ad5081d3
 孙向锦
初始化项目
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/**
* @class Ext.ux.ProgressBarPager
* @extends Object
* Plugin for displaying a progressbar inside of a paging toolbar instead of plain text
* @constructor
* Create a new ItemSelector
* @param {Object} config Configuration options
*/
Ext.define('Ext.ux.ProgressBarPager', {
extend: 'Object',
requires: ['Ext.ProgressBar'],
/**
* @cfg {Integer} width
* <p>The default progress bar width. Default is 225.</p>
*/
width : 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.Anim Ext.fx.Anim} configuration object.</p>
*/
constructor : function(config) {
if (config) {
Ext.apply(this, config);
}
},
//public
init : function (parent) {
var displayItem;
if(parent.displayInfo) {
this.parent = parent;
displayItem = parent.child("#displayItem");
if (displayItem) {
parent.remove(displayItem, true);
}
this.progressBar = Ext.create('Ext.ProgressBar', {
text : this.defaultText,
width : this.width,
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.store.loadPage(newpage);
},
// private, overriddes
parentOverrides : {
// private
// This method updates the information via the progress bar.
updateInfo : function(){
if(this.displayItem){
var count = this.store.getCount(),
pageData = this.getPageData(),
message = count === 0 ?
this.emptyMsg :
Ext.String.format(
this.displayMsg,
pageData.fromRecord, pageData.toRecord, this.store.getTotalCount()
),
percentage = pageData.currentPage / pageData.pageCount;
this.displayItem.updateProgress(percentage, message, this.animate || this.defaultAnimConfig);
}
}
}
});
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