Class BasicHTML

java.lang.Object
javax.swing.plaf.basic.BasicHTML
public class BasicHTML extends Object
Support for providing html views for the swing components. This translates a simple html string to a javax.swing.text.View implementation that can render the html and provide the necessary layout semantics.
Since:
1.3

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    documentBaseKey
    Key stored as a client property to indicate the base that relative references are resolved against.
    static final String
    propertyKey
    Key to use for the html renderer when stored as a client property of a JComponent.

  • Constructor Summary

    Constructors
    Constructor
    Description
    BasicHTML()
    Constructs a BasicHTML.

  • Method Summary

    Modifier and Type
    Method
    Description
    static View
    createHTMLView(JComponent c, String html)
    Create an html renderer for the given component and string of html.
    static int
    getHTMLBaseline(View view, int w, int h)
    Returns the baseline for the html renderer.
    static boolean
    isHTMLString(String s)
    Check the given string to see if it should trigger the html rendering logic in a non-text component that supports html rendering.
    static void
    updateRenderer(JComponent c, String text)
    Stash the HTML render for the given text into the client properties of the given JComponent.

    Methods declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Creates and returns a copy of this object.
    boolean
    equals(Object obj)
    Indicates whether some other object is "equal to" this one.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    Finalization is deprecated and subject to removal in a future release.
    final Class<?>
    getClass()
    Returns the runtime class of this Object.
    int
    hashCode()
    Returns a hash code value for this object.
    final void
    notify()
    Wakes up a single thread that is waiting on this object's monitor.
    final void
    notifyAll()
    Wakes up all threads that are waiting on this object's monitor.
    String
    toString()
    Returns a string representation of the object.
    final void
    wait()
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted.
    final void
    wait(long timeoutMillis)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.
    final void
    wait(long timeoutMillis, int nanos)
    Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

  • Field Details

    • propertyKey

      public static final String propertyKey
      Key to use for the html renderer when stored as a client property of a JComponent.
      See Also:

    • documentBaseKey

      public static final String documentBaseKey
      Key stored as a client property to indicate the base that relative references are resolved against. For example, lets say you keep your images in the directory resources relative to the code path, you would use the following the set the base: 
        jComponent.putClientProperty(documentBaseKey,
                               xxx.class.getResource("resources/"));
      See Also:

  • Constructor Details

    • BasicHTML

      public BasicHTML()
      Constructs a BasicHTML.

  • Method Details

    • createHTMLView

      public static View createHTMLView(JComponent c, String html)
      Create an html renderer for the given component and string of html.
      Parameters:
      c - a component
      html - an HTML string
      Returns:
      an HTML renderer

    • getHTMLBaseline

      public static int getHTMLBaseline(View view, int w, int h)
      Returns the baseline for the html renderer.
      Parameters:
      view - the View to get the baseline for
      w - the width to get the baseline for
      h - the height to get the baseline for
      Returns:
      baseline or a value < 0 indicating there is no reasonable baseline
      Throws:
      IllegalArgumentException - if width or height is < 0
      Since:
      1.6
      See Also:

    • isHTMLString

      public static boolean isHTMLString(String s)
      Check the given string to see if it should trigger the html rendering logic in a non-text component that supports html rendering.
      Parameters:
      s - a text
      Returns:
      true if the given string should trigger the html rendering logic in a non-text component

    • updateRenderer

      public static void updateRenderer(JComponent c, String text)
      Stash the HTML render for the given text into the client properties of the given JComponent. If the given text is NOT HTML the property will be cleared of any renderer.

      This method is useful for ComponentUI implementations that are static (i.e. shared) and get their state entirely from the JComponent.

      Parameters:
      c - a component
      text - a text