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();
},
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 );
}
});