BasicTextAreaUI
Class BasicTextAreaUI
- java.lang.Object
-
- javax.swing.plaf.ComponentUI
-
- javax.swing.plaf.TextUI
-
- javax.swing.plaf.basic.BasicTextUI
-
- javax.swing.plaf.basic.BasicTextAreaUI
- All Implemented Interfaces:
- ViewFactory
- Direct Known Subclasses:
- SynthTextAreaUI
public class BasicTextAreaUI extends BasicTextUI
Provides the look and feel for a plain text editor. In this implementation the default UI is extended to act as a simple view factory.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans
package. Please see XMLEncoder
.
Nested Classes
Nested classes/interfaces inherited from class javax.swing.plaf.basic.BasicTextUI
BasicTextUI.BasicCaret, BasicTextUI.BasicHighlighter
Constructors
BasicTextAreaUI
public BasicTextAreaUI()
Constructs a new BasicTextAreaUI object.
Methods
createUI
public static ComponentUI createUI(JComponent ta)
Creates a UI for a JTextArea.
- Parameters:
-
ta
- a text area - Returns:
- the UI
getPropertyPrefix
protected String getPropertyPrefix()
Fetches the name used as a key to look up properties through the UIManager. This is used as a prefix to all the standard text properties.
- Specified by:
-
getPropertyPrefix
in classBasicTextUI
- Returns:
- the name ("TextArea")
installDefaults
protected void installDefaults()
Description copied from class: BasicTextUI
Initializes component properties, such as font, foreground, background, caret color, selection color, selected text color, disabled text color, and border color. The font, foreground, and background properties are only set if their current value is either null or a UIResource, other properties are set if the current value is null.
- Overrides:
-
installDefaults
in classBasicTextUI
- See Also:
-
BasicTextUI.uninstallDefaults()
,BasicTextUI.installUI(javax.swing.JComponent)
propertyChange
protected void propertyChange(PropertyChangeEvent evt)
This method gets called when a bound property is changed on the associated JTextComponent. This is a hook which UI implementations may change to reflect how the UI displays bound properties of JTextComponent subclasses. This is implemented to rebuild the View when the WrapLine or the WrapStyleWord property changes.
- Overrides:
-
propertyChange
in classBasicTextUI
- Parameters:
-
evt
- the property change event
getPreferredSize
public Dimension getPreferredSize(JComponent c)
The method is overridden to take into account caret width.
- Overrides:
-
getPreferredSize
in classBasicTextUI
- Parameters:
-
c
- the editor component - Returns:
- the preferred size
- Throws:
-
IllegalArgumentException
- if invalid value is passed - Since:
- 1.5
- See Also:
-
JComponent.getPreferredSize()
,LayoutManager.preferredLayoutSize(java.awt.Container)
getMinimumSize
public Dimension getMinimumSize(JComponent c)
The method is overridden to take into account caret width.
- Overrides:
-
getMinimumSize
in classBasicTextUI
- Parameters:
-
c
- the editor component - Returns:
- the minimum size
- Throws:
-
IllegalArgumentException
- if invalid value is passed - Since:
- 1.5
- See Also:
-
JComponent.getMinimumSize()
,LayoutManager.minimumLayoutSize(java.awt.Container)
,ComponentUI.getPreferredSize(javax.swing.JComponent)
create
public View create(Element elem)
Creates the view for an element. Returns a WrappedPlainView or PlainView.
- Specified by:
-
create
in interfaceViewFactory
- Overrides:
-
create
in classBasicTextUI
- Parameters:
-
elem
- the element - Returns:
- the view
- See Also:
View
getBaseline
public int getBaseline(JComponent c, int width, int height)
Returns the baseline.
- Overrides:
-
getBaseline
in classComponentUI
- Parameters:
-
c
-JComponent
baseline is being requested for -
width
- the width to get the baseline for -
height
- the height to get the baseline for - Returns:
- baseline or a value < 0 indicating there is no reasonable baseline
- Throws:
-
NullPointerException
- ifc
isnull
-
IllegalArgumentException
- if width or height is < 0 - Since:
- 1.6
- See Also:
JComponent.getBaseline(int, int)
getBaselineResizeBehavior
public Component.BaselineResizeBehavior getBaselineResizeBehavior(JComponent c)
Returns an enum indicating how the baseline of the component changes as the size changes.
- Overrides:
-
getBaselineResizeBehavior
in classComponentUI
- Parameters:
-
c
-JComponent
to return baseline resize behavior for - Returns:
- an enum indicating how the baseline changes as the component size changes
- Throws:
-
NullPointerException
- ifc
isnull
- Since:
- 1.6
- See Also:
JComponent.getBaseline(int, int)
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