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Contents
// ========================================================================
// SproutCore
// copyright 2006-2008 Sprout Systems, Inc.
// ========================================================================
require('views/label');
/**
@class
The ErrorExplanation view is a special type of label view that can display
one or more errors related to a form or field. This view will set itself
to visible only if it has errors.
@extends SC.View
@extends SC.Control
*/
SC.ErrorExplanationView = SC.View.extend(SC.Control,
/** @scope SC.ErrorExplanationView.prototype */ {
emptyElement: '<ul class="errors"></ul>',
explanationTemplate: '<li>%@</li>',
_errorsFor: function(errors) {
if (!errors || errors.length == 0) return [] ;
return errors.map(function(er) {
return ($type(er) == T_ERROR) ? er : null ;
}).compact() ;
},
valueBindingDefault: SC.Binding.Multiple,
formatter: function(errors, view) {
errors = view._errorsFor(errors) ;
if (!errors || errors.length == 0) return '' ;
return errors.map(function(er) {
er = er.get('description') ;
if (er.escapeHTML) er = er.escapeHTML() ;
return view.explanationTemplate.fmt(er);
}).join("") ;
},
escapeHTML: false,
_valueObserver: function() {
var errors = this._errorsFor(this.get('value')) ;
var isVisible = errors && errors.length > 0 ;
if (this.get('isVisible') != isVisible) this.set('isVisible',isVisible);
this.set('innerHTML', this.formatter(errors, this)) ;
}.observes('value'),
init: function() {
arguments.callee.base.apply(this,arguments) ;
this._valueObserver() ;
}
});
Version data entries
12 entries across 12 versions & 1 rubygems