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Progressbar: Refactor to better handle option changes and sanitize values. Fixes #8785 - Progressbar: Remove _value() and always sanitize value option

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This commit is contained in:
Kris Borchers 2012-11-08 12:02:25 -06:00
parent 1e19e5e90b
commit 8976bc7e3d
2 changed files with 76 additions and 25 deletions
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18
tests/unit/progressbar/progressbar_options.js
View File

@ -60,3 +60,21 @@ test( "{ max : 5, value : 10 }", function() {
});
deepEqual( 5, $( "#progressbar" ).progressbar( "value" ) );
});
test( "{ value : 10, max : 5 }", function() {
expect( 1 );
$("#progressbar").progressbar({
max: 5,
value: 10
});
deepEqual( 5, $( "#progressbar" ).progressbar( "value" ) );
});
test( "{ max : 5 }", function() {
expect( 1 );
$("#progressbar").progressbar({
max: 10,
value: 10
}).progressbar( "option", "max", 5 );
deepEqual( 5, $( "#progressbar" ).progressbar( "value" ) );
});

83
ui/jquery.ui.progressbar.js vendored
View File

@ -24,19 +24,22 @@ $.widget( "ui.progressbar", {
min: 0,
_create: function() {
// Constrain initial value
this.options.value = this._constrainedValue();
this.element
.addClass( "ui-progressbar ui-widget ui-widget-content ui-corner-all" )
.attr({
role: "progressbar",
"aria-valuemin": this.min,
"aria-valuemax": this.options.max,
"aria-valuenow": this._value()
"aria-valuenow": this.options.value
});
this.valueDiv = $( "<div class='ui-progressbar-value ui-widget-header ui-corner-left'></div>" )
.appendTo( this.element );
this.oldValue = this._value();
this.oldValue = this.options.value;
this._refreshValue();
},
@ -53,52 +56,82 @@ $.widget( "ui.progressbar", {
value: function( newValue ) {
if ( newValue === undefined ) {
return this._value();
return this.options.value;
}
this._setOption( "value", newValue );
this._setOption( "value", this._constrainedValue( newValue ) );
return this;
},
_setOption: function( key, value ) {
if ( key === "value" ) {
this.options.value = value;
this._refreshValue();
if ( this._value() === this.options.max ) {
this._trigger( "complete" );
}
_constrainedValue: function( newValue ) {
var val;
if ( newValue === undefined ) {
val = this.options.value;
} else {
val = newValue;
}
this._super( key, value );
},
_value: function() {
var val = this.options.value;
// normalize invalid value
// sanitize value
if ( typeof val !== "number" ) {
val = 0;
}
return Math.min( this.options.max, Math.max( this.min, val ) );
},
_setOptions: function( options ) {
var key, val;
for ( key in options ) {
if ( key === "value" ) {
// Store value to update last in case max is being updated at the same time
val = options[ key ];
} else {
this._setOption( key, options[ key ] );
}
}
if ( val !== undefined ) {
this._setOption( "value", val );
}
},
_setOption: function( key, value ) {
if ( key === "max" ) {
// Don't allow a max less than min
this.options.max = Math.max( this.min, value );
this.options.value = this._constrainedValue();
}
if ( key === "value" ) {
this.options.value = this._constrainedValue( value );
}
else {
this._super( key, value );
}
this._refreshValue();
},
_percentage: function() {
return 100 * this._value() / this.options.max;
return 100 * this.options.value / this.options.max;
},
_refreshValue: function() {
var value = this.value(),
percentage = this._percentage();
var percentage = this._percentage();
if ( this.oldValue !== value ) {
this.oldValue = value;
if ( this.oldValue !== this.options.value ) {
this.oldValue = this.options.value;
this._trigger( "change" );
}
if ( this.options.value === this.options.max ) {
this._trigger( "complete" );
}
this.valueDiv
.toggle( value > this.min )
.toggleClass( "ui-corner-right", value === this.options.max )
.toggle( this.options.value > this.min )
.toggleClass( "ui-corner-right", this.options.value === this.options.max )
.width( percentage.toFixed(0) + "%" );
this.element.attr( "aria-valuenow", value );
this.element.attr( "aria-valuemax", this.options.max );
this.element.attr( "aria-valuenow", this.options.value );
}
});