BasicTextFieldUI (Java SE 12 & JDK 12 )
Keywords: javax.swing.plaf.basic.BasicTextFieldUI class

Module java.desktop
Package javax.swing.plaf.basic

## Class BasicTextFieldUI

- java.lang.Object
- - javax.swing.plaf.ComponentUI
  - - javax.swing.plaf.TextUI
    - - javax.swing.plaf.basic.BasicTextUI
      - - javax.swing.plaf.basic.BasicTextFieldUI

- All Implemented Interfaces:
    `ViewFactory`
  Direct Known Subclasses:
    `BasicFormattedTextFieldUI`, `BasicPasswordFieldUI`, `MetalTextFieldUI`, `SynthTextFieldUI`

      public class BasicTextFieldUI
      extends BasicTextUI

  Basis of a look and feel for a JTextField.

  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 Class Summary

    - ### Nested classes/interfaces declared in class javax.swing.plaf.basic.BasicTextUI

      `BasicTextUI.BasicCaret, BasicTextUI.BasicHighlighter`

  - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `BasicTextFieldUI()` | Creates a new BasicTextFieldUI.

  - ### Method Summary

    Modifier and Type | Method | Description
    --- | --- | ---
    `View` | `create​(Element elem)` | Creates a view (FieldView) based on an element.
    `static ComponentUI` | `createUI​(JComponent c)` | Creates a UI for a JTextField.
    `int` | `getBaseline​(JComponent c, int width, int height)` | Returns the baseline.
    `Component.BaselineResizeBehavior` | `getBaselineResizeBehavior​(JComponent c)` | Returns an enum indicating how the baseline of the component changes as the size changes.
    `protected String` | `getPropertyPrefix()` | Fetches the name used as a key to lookup properties through the UIManager.

    - ### Methods declared in class javax.swing.plaf.basic.BasicTextUI

      `create, createCaret, createHighlighter, createKeymap, damageRange, damageRange, getComponent, getEditorKit, getKeymapName, getMaximumSize, getMinimumSize, getPreferredSize, getRootView, getToolTipText, getVisibleEditorRect, installDefaults, installKeyboardActions, installListeners, installUI, modelChanged, modelToView, modelToView, paint, paintBackground, paintSafely, propertyChange, setView, uninstallDefaults, uninstallKeyboardActions, uninstallListeners, uninstallUI, update, viewToModel, viewToModel`

    - ### Methods declared in class javax.swing.plaf.TextUI

      `getNextVisualPositionFrom, getToolTipText2D, modelToView2D, viewToModel2D`

    - ### Methods declared in class javax.swing.plaf.ComponentUI

      `contains, getAccessibleChild, getAccessibleChildrenCount`

    - ### Methods declared in class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### BasicTextFieldUI

          public BasicTextFieldUI()

      Creates a new BasicTextFieldUI.

  - ### Method Detail

    - #### createUI

          public static ComponentUI createUI​(JComponent c)

      Creates a UI for a JTextField.
      Parameters:
        `c` - the text field
      Returns:
        the UI

    - #### getPropertyPrefix

          protected String getPropertyPrefix()

      Fetches the name used as a key to lookup properties through the UIManager. This is used as a prefix to all the standard text properties.
      Specified by:
        `getPropertyPrefix` in class `BasicTextUI`
      Returns:
        the name ("TextField")

    - #### create

          public View create​(Element elem)

      Creates a view (FieldView) based on an element.
      Specified by:
        `create` in interface `ViewFactory`
      Overrides:
        `create` in class `BasicTextUI`
      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 class `ComponentUI`
      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` - if `c` is `null`
        `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 class `ComponentUI`
      Parameters:
        `c` - `JComponent` to return baseline resize behavior for
      Returns:
        an enum indicating how the baseline changes as the component size changes
      Throws:
        `NullPointerException` - if `c` is `null`
      Since:
        1.6
      See Also:
        `JComponent.getBaseline(int, int)`