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Class symantec.itools.awt.LabelButton

Object
   |
   +----Component
           |
           +----Canvas
                   |
                   +----ButtonBase
                           |
                           +----symantec.itools.awt.LabelButton

public class LabelButton

extends ButtonBase

implements AlignStyle

╖ Display text in a 3D looking button.
╖ Generate a train of action events while the user presses the button.

Version:

1.1, July 8, 1997

Author:

Symantec

ALIGN_BOTTOM

Defines the "bottom" label text alignment style.

ALIGN_TOP

Defines the "top" label text alignment style.

disabledTextColor

The color used for text when this component is disabled.

errors

Error strings.

hAlignStyle

The text horizontal alignment style.

pressedTextColor

The color used for text when this component is pressed.

sLabelButton

The button label text.

textColor

The color used for text when this component is enabled.

vAlignStyle

The text vertical alignment style.

symantec.itools.awt.LabelButton()

Constructs an empty LabelButton with center aligned black text.

symantec.itools.awt.LabelButton(String)

Constructs a LabelButton with the specified centered, black text.

symantec.itools.awt.LabelButton(String, Color)

Constructs a LabelButton with the specified centered text, with the specified color.

symantec.itools.awt.LabelButton(String, int)

Constructs a LabelButton with the specified vertically centered black text, and the specified horizontal text alignment style.

symantec.itools.awt.LabelButton(String, int, int, Color)

Constructs a LabelButton with the specified attributes.

addAlignStyleListener(PropertyChangeListener)

Adds a listener for the AlignStyle property changes.

addAlignStyleListener(VetoableChangeListener)

Adds a vetoable listener for the AlignStyle property changes.

addNotify()

Tells this component that it has been added to a container.

addPropertyChangeListener(PropertyChangeListener)

Adds a listener for all event changes.

addVerticalAlignStyleListener(PropertyChangeListener)

Adds a listener for the VerticalAlignStyle property changes.

addVerticalAlignStyleListener(VetoableChangeListener)

Adds a vetoable listener for the VerticalAlignStyle property changes.

addVetoableChangeListener(VetoableChangeListener)

Adds a vetoable listener for all event changes.

getAlignStyle()

Gets the current text alignment style.

getPreferredSize()

Returns the recommended dimensions to properly display this component.

getText()

Gets the current label text.

getTextColor()

Gets the current label text color.

getVerticalAlignStyle()

Gets the current text alignment style.

isValidHorizontalAlignStyle(int)

Is the given Horizontal AlignStyle valid for this button.

isValidVerticalAlignStyle(int)

Is the given Vertical AlignStyle valid for this button.

removeAlignStyleListener(PropertyChangeListener)

Removes a listener for the AlignStyle property changes.

removeAlignStyleListener(VetoableChangeListener)

Removes a vetoable listener for the AlignStyle property changes.

removeNotify()

Tells this component that it is being removed from a container.

removePropertyChangeListener(PropertyChangeListener)

Removes a listener for all event changes.

removeVerticalAlignStyleListener(PropertyChangeListener)

Removes a listener for the VerticalAlignStyle property changes.

removeVerticalAlignStyleListener(VetoableChangeListener)

Removes a vetoable listener for the VerticalAlignStyle property changes.

removeVetoableChangeListener(VetoableChangeListener)

Removes a vetoable listener for all event changes.

setAlignStyle(int)

Sets the text horizontal alignment style.

setText(String)

Sets the label text.

setTextColor(Color)

Sets the label text color.

setVerticalAlignStyle(int)

Sets the text vertical alignment style.

updateButtonImage()

Draws the button in the buttonImage offscreen image.

public static final int ALIGN_BOTTOM

Defines the "bottom" label text alignment style.

public static final int ALIGN_TOP

Defines the "top" label text alignment style.

protected java.awt.Color disabledTextColor

The color used for text when this component is disabled. This color is automatically determined.

protected transient java.util.ResourceBundle errors

Error strings.

protected int hAlignStyle

The text horizontal alignment style. The value is one of: ALIGN_LEFT, ALIGN_CENTERED, or ALIGN_RIGHT

See Also:

getAlignStyle, setAlignStyle, ALIGN_LEFT, ALIGN_CENTERED, ALIGN_RIGHT

protected java.awt.Color pressedTextColor

The color used for text when this component is pressed. This color is automatically determined.

protected java.lang.String sLabelButton

The button label text.

protected java.awt.Color textColor

The color used for text when this component is enabled.

See Also:

getTextColor, setTextColor

protected int vAlignStyle

The text vertical alignment style. The value is one of: ALIGN_TOP, ALIGN_CENTERED, or ALIGN_BOTTOM

See Also:

getVerticalAlignStyle, setVerticalAlignStyle, ALIGN_TOP, ALIGN_CENTERED, ALIGN_BOTTOM

public LabelButton()

Constructs an empty LabelButton with center aligned black text.

public LabelButton(String sText)

Constructs a LabelButton with the specified centered, black text.

Parameters:

sText - the label text

public LabelButton(String sText,
                   Color color)

Constructs a LabelButton with the specified centered text, with the specified color.

Parameters:

sText - the label text

public LabelButton(String sText,
                   int alignStyle)

Constructs a LabelButton with the specified vertically centered black text, and the specified horizontal text alignment style.

Parameters:

sText - the label text

alignStyle - the text alignment style: ALIGN_LEFT, ALIGN_CENTERED, or ALIGN_RIGHT

See Also:

ALIGN_LEFT, ALIGN_CENTERED, ALIGN_RIGHT

public LabelButton(String sText,
                   int hAlignStyle,
                   int vAlignStyle,
                   Color color)

Constructs a LabelButton with the specified attributes.

Parameters:

sText - the label text

hAlignStyle - the text horizontal alignment style: ALIGN_LEFT, ALIGN_CENTERED, or ALIGN_RIGHT

vAlignStyle - the text vertical alignment style: ALIGN_TOP, ALIGN_CENTERED, or ALIGN_BOTTOM

color - the label text color

See Also:

ALIGN_LEFT, ALIGN_CENTERED, ALIGN_RIGHT, ALIGN_TOP, ALIGN_BOTTOM

public synchronized void addAlignStyleListener(PropertyChangeListener listener)

Adds a listener for the AlignStyle property changes.

Parameters:

listener - the listener to add.

See Also:

removeAlignStyleListener(java.beans.PropertyChangeListener)

public synchronized void addAlignStyleListener(VetoableChangeListener listener)

Adds a vetoable listener for the AlignStyle property changes.

Parameters:

listener - the listener to add.

See Also:

removeAlignStyleListener(java.beans.VetoableChangeListener)

public synchronized void addNotify()

Tells this component that it has been added to a container. This is a standard Java AWT method which gets called by the AWT when this component is added to a container. Typically, it is used to create this component's peer. It has been overridden here to hook-up event listeners.

Overrides:

addNotify in class ButtonBase

See Also:

removeNotify

public synchronized void addPropertyChangeListener(PropertyChangeListener listener)

Adds a listener for all event changes.

Parameters:

listener - the listener to add.

Overrides:

addPropertyChangeListener in class ButtonBase

See Also:

removePropertyChangeListener

public synchronized void addVerticalAlignStyleListener(PropertyChangeListener listener)

Adds a listener for the VerticalAlignStyle property changes.

Parameters:

listener - the listener to add.

See Also:

removeVerticalAlignStyleListener(java.beans.PropertyChangeListener)

public synchronized void addVerticalAlignStyleListener(VetoableChangeListener listener)

Adds a vetoable listener for the VerticalAlignStyle property changes.

Parameters:

listener - the listener to add.

See Also:

removeVerticalAlignStyleListener(java.beans.VetoableChangeListener)

public synchronized void addVetoableChangeListener(VetoableChangeListener listener)

Adds a vetoable listener for all event changes.

Parameters:

listener - the listener to add.

Overrides:

addVetoableChangeListener in class ButtonBase

See Also:

removeVetoableChangeListener(java.beans.VetoableChangeListener)

public int getAlignStyle()

Gets the current text alignment style.

Returns:

the text alignment style: ALIGN_LEFT, ALIGN_CENTERED, or ALIGN_RIGHT

See Also:

setAlignStyle, ALIGN_LEFT, ALIGN_CENTERED, ALIGN_RIGHT

public java.awt.Dimension getPreferredSize()

Returns the recommended dimensions to properly display this component. This is a standard Java AWT method which gets called to determine the recommended size of this component. The Dimension returned is large enough for the label and a one pixel space between the label and the button's bevel.

Overrides:

getPreferredSize in class ButtonBase

public java.lang.String getText()

Gets the current label text.

Returns:

the current label text

See Also:

setText

public java.awt.Color getTextColor()

Gets the current label text color.

Returns:

the current color of the label text

See Also:

setTextColor

public int getVerticalAlignStyle()

Gets the current text alignment style.

Returns:

the text alignment style: ALIGN_TOP, ALIGN_CENTERED, or ALIGN_BOTTOM

See Also:

setVerticalAlignStyle, ALIGN_TOP, ALIGN_CENTERED, ALIGN_BOTTOM

protected boolean isValidHorizontalAlignStyle(int i)

Is the given Horizontal AlignStyle valid for this button.

Parameters:

i - the given Horizontal AlignStyle

Returns:

true if the given Horizontal AlignStyle is acceptable, false if not.

protected boolean isValidVerticalAlignStyle(int i)

Is the given Vertical AlignStyle valid for this button.

Parameters:

i - the given Vertical AlignStyle

Returns:

true if the given Vertical AlignStyle is acceptable, false if not.

public synchronized void removeAlignStyleListener(PropertyChangeListener listener)

Removes a listener for the AlignStyle property changes.

Parameters:

listener - the listener to remove.

See Also:

addAlignStyleListener(java.beans.PropertyChangeListener)

public synchronized void removeAlignStyleListener(VetoableChangeListener listener)

Removes a vetoable listener for the AlignStyle property changes.

Parameters:

listener - the listener to remove.

See Also:

addAlignStyleListener(java.beans.VetoableChangeListener)

public synchronized void removeNotify()

Tells this component that it is being removed from a container. This is a standard Java AWT method which gets called by the AWT when this component is removed from a container. Typically, it is used to destroy the peers of this component and all its subcomponents. It has been overridden here to unhook event listeners.

Overrides:

removeNotify in class ButtonBase

See Also:

addNotify

public synchronized void removePropertyChangeListener(PropertyChangeListener listener)

Removes a listener for all event changes.

Parameters:

listener - the listener to remove.

Overrides:

removePropertyChangeListener in class ButtonBase

See Also:

addPropertyChangeListener

public synchronized void removeVerticalAlignStyleListener(PropertyChangeListener listener)

Removes a listener for the VerticalAlignStyle property changes.

Parameters:

listener - the listener to remove.

See Also:

addVerticalAlignStyleListener(java.beans.PropertyChangeListener)

public synchronized void removeVerticalAlignStyleListener(VetoableChangeListener listener)

Removes a vetoable listener for the VerticalAlignStyle property changes.

Parameters:

listener - the listener to remove.

See Also:

addVerticalAlignStyleListener(java.beans.VetoableChangeListener)

public synchronized void removeVetoableChangeListener(VetoableChangeListener listener)

Removes a vetoable listener for all event changes.

Parameters:

listener - the listener to remove.

Overrides:

removeVetoableChangeListener in class ButtonBase

See Also:

addVetoableChangeListener(java.beans.VetoableChangeListener)

public void setAlignStyle(int style) throws PropertyVetoException

Sets the text horizontal alignment style. Causes the component to redraw.

Parameters:

style - the text alignment style: ALIGN_LEFT, ALIGN_CENTERED, or ALIGN_RIGHT

Throws: PropertyVetoException

if the specified property value is unacceptable

See Also:

getAlignStyle, ALIGN_LEFT, ALIGN_CENTERED, ALIGN_RIGHT

public void setText(String sText) throws PropertyVetoException

Sets the label text. Causes the component to redraw.

Parameters:

sText - the new label text

Throws: PropertyVetoException

if the specified property value is unacceptable

See Also:

getText

public void setTextColor(Color color) throws PropertyVetoException

Sets the label text color. Causes the component to redraw.

Parameters:

color - the new color for the label text

Throws: PropertyVetoException

if the specified property value is unacceptable

See Also:

getTextColor

public void setVerticalAlignStyle(int style) throws PropertyVetoException

Sets the text vertical alignment style. Causes the component to redraw.

Parameters:

style - the text alignment style: ALIGN_TOP, ALIGN_CENTERED, or ALIGN_BOTTOM

Throws: PropertyVetoException

if the specified property value is unacceptable

See Also:

getVerticalAlignStyle, ALIGN_TOP, ALIGN_CENTERED, ALIGN_BOTTOM

protected void updateButtonImage()

Draws the button in the buttonImage offscreen image. This should only be called after the component is added to a container, to avoid a NullPointerException when accessing FontMetrics.

Overrides:

updateButtonImage in class ButtonBase

See Also:

updateButtonImage

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