/*
* Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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*/
package javafx.scene.control;
import com.sun.javafx.scene.control.skin.
ProgressBarSkin;
import javafx.beans.value.
WritableValue;
import javafx.css.
StyleableProperty;
import javafx.scene.
AccessibleAttribute;
import javafx.geometry.
Orientation;
/**
* A specialization of the ProgressIndicator which is represented as a
* horizontal bar.
* <p>
* ProgressBar sets focusTraversable to false.
* </p>
*
* <p>
* This first example creates a ProgressBar with an indeterminate value :
* <pre><code>
* import javafx.scene.control.ProgressBar;
*
* ProgressBar p1 = new ProgressBar();
* </code></pre>
* <p>
* This next example creates a ProgressBar which is 25% complete :
* <pre><code>
* import javafx.scene.control.ProgressBar;
* ProgressBar p2 = new ProgressBar();
* p2.setProgress(0.25F);
* </code></pre>
*
* Implementation of ProgressBar According to JavaFX UI Control API Specification
* @since JavaFX 2.0
*/
public class
ProgressBar extends
ProgressIndicator {
/***************************************************************************
* *
* Constructors *
* *
**************************************************************************/
/**
* Creates a new indeterminate ProgressBar.
*/
public
ProgressBar() {
this(
INDETERMINATE_PROGRESS);
}
/**
* Creates a new ProgressBar with the given progress value.
*/
public
ProgressBar(double
progress) {
// focusTraversable is styleable through css. Calling setFocusTraversable
// makes it look to css like the user set the value and css will not
// override. Initializing focusTraversable by calling set on the
// CssMetaData ensures that css will be able to override the value.
((
StyleableProperty<
Boolean>)(
WritableValue<
Boolean>)
focusTraversableProperty()).
applyStyle(null,
Boolean.
FALSE);
setProgress(
progress);
getStyleClass().
setAll(
DEFAULT_STYLE_CLASS);
}
/***************************************************************************
* *
* Methods *
* *
**************************************************************************/
/** {@inheritDoc} */
@
Override protected
Skin<?>
createDefaultSkin() {
return new
ProgressBarSkin(this);
}
/***************************************************************************
* *
* Stylesheet Handling *
* *
**************************************************************************/
/**
* Initialize the style class to 'progress-bar'.
*
* This is the selector class from which CSS can be used to style
* this control.
*/
private static final
String DEFAULT_STYLE_CLASS = "progress-bar";
/**
* Most Controls return true for focusTraversable, so Control overrides
* this method to return true, but ProgressBar returns false for
* focusTraversable's initial value; hence the override of the override.
* This method is called from CSS code to get the correct initial value.
* @treatAsPrivate implementation detail
*/
@
Deprecated @
Override
protected /*do not make final*/
Boolean impl_cssGetFocusTraversableInitialValue() {
return
Boolean.
FALSE;
}
/***************************************************************************
* *
* Accessibility handling *
* *
**************************************************************************/
@
Override
public
Object queryAccessibleAttribute(
AccessibleAttribute attribute,
Object...
parameters) {
switch (
attribute) {
case
ORIENTATION: return
Orientation.
HORIZONTAL;
default: return super.queryAccessibleAttribute(
attribute,
parameters);
}
}
}