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Class java.awt.swing.JProgressBar

java.lang.Object
    |
    +----java.awt.Component
            |
            +----java.awt.Container
                    |
                    +----java.awt.swing.JComponent
                            |
                            +----java.awt.swing.JProgressBar

public class JProgressBar

extends JComponent

implements SwingConstants, Accessible

JProgressBar.ModelListener

barModel

changeEvent

changeListener

opaque

orientation

paintBorder

JProgressBar()

Creates a horizontal progress bar with a border.

addChangeListener(ChangeListener)

Adds a ChangeListener to the button.

createChangeListener()

fireStateChanged()

getAccessibleRole()

Get the role of this object.

getAccessibleStateSet()

Get the state set of this object.

getAccessibleValue()

Get the accessible value of this object.

getMaximum()

getMaximumAccessibleValue()

Get the maximum accessible value of this object.

getMinimum()

getMinimumAccessibleValue()

Get the minimum accessible value of this object.

getModel()

getOrientation()

Returns JProgressBar.VERTICAL or JProgressBar.HORIZONTAL depending on the orientation of the progress bar.

getUI()

getUIClassID()

getValue()

Returns the value.

isBorderPainted()

Returns true if the progress bar has a border or false if it does not.

isOpaque()

Returns true if the progress bar is painting its background or false if it does not.

paintBorder(Graphics)

Paint the progress bar's border if BorderPainted property is true.

removeChangeListener(ChangeListener)

Removes a ChangeListener from the button.

setAccessibleValue(Number)

Set the value of this object as a Number.

setBorderPainted(boolean)

Sets whether the progress bar should have a border.

setMaximum(int)

Sets the maximum to x.

setMinimum(int)

Sets the model's minimum to x.

setModel(BoundedRangeModel)

setOpaque(boolean)

Sets whether the progress bar should paint its background.

setOrientation(int)

Sets the progress bar's orientation to newOrientation, which must be JProgressBar.VERTICAL or JProgressBar.HORIZONTAL.

setUI(ProgressBarUI)

setValue(int)

Sets the value to x.

update(Graphics)

Overridden to call paint without filling the background.

updateUI()

Called to replace the UI with the latest version from the default UIFactory.

protected int orientation

protected boolean paintBorder

protected boolean opaque

protected BoundedRangeModel barModel

protected transient ChangeEvent changeEvent

protected ChangeListener changeListener

public JProgressBar()

Creates a horizontal progress bar with a border.

public void update(Graphics g)

Overridden to call paint without filling the background.

Overrides:

update in class JComponent

public int getOrientation()

Returns JProgressBar.VERTICAL or JProgressBar.HORIZONTAL depending on the orientation of the progress bar. A progress bar's default orientation is HORIZONTAL.

Returns:

HORIZONTAL or VERTICAL

public void setOrientation(int newOrientation)

Sets the progress bar's orientation to newOrientation, which must be JProgressBar.VERTICAL or JProgressBar.HORIZONTAL. A progress bar's default orientation is HORIZONTAL.

Parameters:

newOrientation - HORIZONTAL or VERTICAL

Throws: IllegalArgumentException

if newOrientation is an illegal value

public boolean isBorderPainted()

Returns true if the progress bar has a border or false if it does not.

Returns:

whether the progress bar has a border

See Also:

setBorderPainted

public void setBorderPainted(boolean b)

Sets whether the progress bar should have a border.

Parameters:

b - true if the progress bar should have a border

See Also:

isBorderPainted

protected void paintBorder(Graphics g)

Paint the progress bar's border if BorderPainted property is true.

Overrides:

paintBorder in class JComponent

See Also:

paint, setBorder

public boolean isOpaque()

Returns true if the progress bar is painting its background or false if it does not.

Returns:

whether the progress bar draws its background

Overrides:

isOpaque in class JComponent

See Also:

setOpaque

public void setOpaque(boolean opaque)

Sets whether the progress bar should paint its background.

Parameters:

opaque - true if the progress bar should paint its background

See Also:

isOpaque

public ProgressBarUI getUI()

public void setUI(ProgressBarUI ui)

public void updateUI()

Called to replace the UI with the latest version from the default UIFactory.

Overrides:

updateUI in class JComponent

public String getUIClassID()

Returns:

"ProgressBarUI"

Overrides:

getUIClassID in class JComponent

See Also:

getUIClassID, getUI

protected ChangeListener createChangeListener()

public void addChangeListener(ChangeListener l)

Adds a ChangeListener to the button.

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the button.

protected void fireStateChanged()

public BoundedRangeModel getModel()

public void setModel(BoundedRangeModel newModel)

public int getValue()

Returns the value. The value is always between the minimum and maximum, inclusive.

Returns:

the value

See Also:

setValue

public int getMinimum()

Returns:

the minimum

See Also:

setMinimum

public int getMaximum()

Returns:

the maximum

See Also:

setMaximum

public void setValue(int n)

Sets the value to x. If x is less than the minimum or greater than the maximum, this method throws IllegalArgumentException and the value is not changed.

Notifies any listeners if the data changes.

Parameters:

x - the new value

Throws: IllegalArgumentException

if x is outside the legal range

See Also:

getValue

public void setMinimum(int n)

Sets the model's minimum to x. If the current maximum or value is outside of the new minimum, the maximum or value is adjusted accordingly.

Notifies any listeners if the data changes.

Parameters:

x - the new minimum

See Also:

getMinimum, addChangeListener

public void setMaximum(int n)

Sets the maximum to x. If the current minimum or value is outside of the new maximum, the minimum or value is adjusted accordingly.

Notifies any listeners if the data changes.

Parameters:

x - the new maximum

See Also:

getMaximum, addChangeListener

public AccessibleStateSet getAccessibleStateSet()

Get the state set of this object.

Returns:

an instance of AccessibleState containing the current state of the object

Overrides:

getAccessibleStateSet in class JComponent

See Also:

AccessibleState

public AccessibleRole getAccessibleRole()

Get the role of this object.

Returns:

an instance of AccessibleRole describing the role of the object

Overrides:

getAccessibleRole in class JComponent

public Number getAccessibleValue()

Get the accessible value of this object.

Returns:

The current value of this object.

Overrides:

getAccessibleValue in class JComponent

public boolean setAccessibleValue(Number n)

Set the value of this object as a Number.

Returns:

True if the value was set.

Overrides:

setAccessibleValue in class JComponent

public Number getMinimumAccessibleValue()

Get the minimum accessible value of this object.

Returns:

The minimum value of this object.

Overrides:

getMinimumAccessibleValue in class JComponent

public Number getMaximumAccessibleValue()

Get the maximum accessible value of this object.

Returns:

The maximum value of this object.

Overrides:

getMaximumAccessibleValue in class JComponent

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