Class RootPanel

java.lang.Object
java.awt.Component
java.awt.Container
javax.swing.JComponent
javax.swing.JPanel
org.xhtmlrenderer.swing.RootPanel
All Implemented Interfaces:
ImageObserver, MenuContainer, Serializable, Accessible, Scrollable, FSCanvas, UserInterface, RepaintListener
Direct Known Subclasses:
BasicPanel
public class RootPanel extends JPanel implements Scrollable, UserInterface, FSCanvas, RepaintListener
See Also:

  • Field Details

    • rootBox

      private @Nullable Box rootBox

    • needRelayout

      private boolean needRelayout

    • cellRendererPane

      private @Nullable CellRendererPane cellRendererPane

    • documentListeners

      private final Set<DocumentListener> documentListeners

    • defaultFontFromComponent

      private boolean defaultFontFromComponent

    • sharedContext

      private final SharedContext sharedContext

    • layoutContext

      private volatile @Nullable LayoutContext layoutContext

    • enclosingScrollPane

      private @Nullable JScrollPane enclosingScrollPane

    • viewportMatchWidth

      private boolean viewportMatchWidth

    • default_scroll_mode

      private int default_scroll_mode

    • doc

      protected @Nullable Document doc

    • hovered_element

      @Nullable Element hovered_element

    • active_element

      @Nullable Element active_element

    • focus_element

      @Nullable Element focus_element

    • lastRepaintRunAt

      private long lastRepaintRunAt

    • maxRepaintRequestWaitMs

      private final long maxRepaintRequestWaitMs
      See Also:

    • repaintRequestPending

      private boolean repaintRequestPending

    • pendingRepaintCount

      private long pendingRepaintCount

  • Constructor Details

  • Method Details

    • getSharedContext

      public SharedContext getSharedContext()

    • getLayoutContext

      @CheckReturnValue public @Nullable LayoutContext getLayoutContext()

    • setDocument

      public void setDocument(Document doc, @Nullable String url, NamespaceHandler nsh)

    • resetScrollPosition

      public void resetScrollPosition()

    • setEnclosingScrollPane

      protected void setEnclosingScrollPane(@Nullable JScrollPane scrollPane)
      The method is invoked by addNotify() and removeNotify() to ensure that any enclosing JScrollPane works correctly with this panel. This method can be safely invoked with a null scrollPane.
      Parameters:
      scrollPane - the enclosing JScrollPane or null if the panel is no longer enclosed in a JScrollPane.

    • getEnclosingScrollPane

      protected @Nullable JScrollPane getEnclosingScrollPane()

    • getFixedRectangle

      public Rectangle getFixedRectangle()
      Gets the fixedRectangle attribute of the BasicPanel object
      Specified by:
      getFixedRectangle in interface FSCanvas
      Returns:
      The fixedRectangle value

    • addNotify

      public void addNotify()
      Overrides the default implementation to test for and configure any JScrollPane parent.
      Overrides:
      addNotify in class JComponent

    • removeNotify

      public void removeNotify()
      Overrides the default implementation un-configure any JScrollPane parent.
      Overrides:
      removeNotify in class JComponent

    • init

      protected final void init()

    • newRenderingContext

      public RenderingContext newRenderingContext(Graphics2D g)

    • newLayoutContext

      protected LayoutContext newLayoutContext(Graphics2D g)

    • getInitialExtents

      private Rectangle getInitialExtents(LayoutContext c)

    • getScreenExtents

      public Rectangle getScreenExtents()

    • doDocumentLayout

      public void doDocumentLayout(@Nullable Graphics g)

    • initFontFromComponent

      private void initFontFromComponent(BlockBox root)

    • addDocumentListener

      public void addDocumentListener(DocumentListener listener)
      Adds the specified Document listener to receive Document events from this component. If listener l is null, no exception is thrown and no action is performed.
      Parameters:
      listener - Contains the DocumentListener for DocumentEvent data.

    • removeDocumentListener

      public void removeDocumentListener(DocumentListener listener)
      Removes the specified Document listener from receive Document events from this component. If listener l is null, no exception is thrown and no action is performed.
      Parameters:
      listener - Contains the DocumentListener to remove.

    • hasDocumentListeners

      protected boolean hasDocumentListeners()

    • fireDocumentStarted

      protected void fireDocumentStarted()

    • fireDocumentLoaded

      protected void fireDocumentLoaded()

    • fireOnLayoutException

      protected void fireOnLayoutException(Throwable t)

    • fireOnRenderException

      protected void fireOnRenderException(Throwable t)

    • getCellRendererPane

      public CellRendererPane getCellRendererPane()
      Returns:
      a CellRendererPane suitable for drawing components in (with CellRendererPane.paintComponent)

    • isHover

      public boolean isHover(Element e)
      Description copied from interface: UserInterface
      Gets the hover attribute of the UserInterface object
      Specified by:
      isHover in interface UserInterface
      Parameters:
      e - PARAM
      Returns:
      The hover value

    • isActive

      public boolean isActive(Element e)
      Description copied from interface: UserInterface
      Gets the active attribute of the UserInterface object
      Specified by:
      isActive in interface UserInterface
      Parameters:
      e - PARAM
      Returns:
      The active value

    • isFocus

      public boolean isFocus(Element e)
      Description copied from interface: UserInterface
      Gets the focus attribute of the UserInterface object
      Specified by:
      isFocus in interface UserInterface
      Parameters:
      e - PARAM
      Returns:
      The focus value

    • relayout

      protected void relayout()
      Lays out the current document again, and re-renders.

    • getLayoutWidth

      public double getLayoutWidth()

    • isPrintView

      public boolean isPrintView()

    • getRootBox

      public @Nullable Box getRootBox()

    • setRootBox

      public void setRootBox(@Nullable Box rootBox)

    • getRootLayer

      public @Nullable Layer getRootLayer()

    • find

      public Box find(MouseEvent e)

    • find

      public @Nullable Box find(int x, int y)

    • doLayout

      public void doLayout()
      Overrides:
      doLayout in class Container

    • validate

      public void validate()
      Overrides:
      validate in class Container

    • isExtentsHaveChanged

      protected boolean isExtentsHaveChanged()

    • isNeedRelayout

      protected boolean isNeedRelayout()

    • setNeedRelayout

      protected void setNeedRelayout(boolean needRelayout)

    • repaintRequested

      public void repaintRequested(boolean doLayout)
      Specified by:
      repaintRequested in interface RepaintListener

    • isDefaultFontFromComponent

      public boolean isDefaultFontFromComponent()

    • setDefaultFontFromComponent

      public void setDefaultFontFromComponent(boolean defaultFontFromComponent)

    • getPreferredScrollableViewportSize

      public Dimension getPreferredScrollableViewportSize()
      Specified by:
      getPreferredScrollableViewportSize in interface Scrollable

    • getScrollableUnitIncrement

      public int getScrollableUnitIncrement(Rectangle visibleRect, int orientation, int direction)
      Specified by:
      getScrollableUnitIncrement in interface Scrollable

    • getScrollableBlockIncrement

      public int getScrollableBlockIncrement(Rectangle visibleRect, int orientation, int direction)
      Specified by:
      getScrollableBlockIncrement in interface Scrollable

    • getScrollableTracksViewportWidth

      public boolean getScrollableTracksViewportWidth()
      Specified by:
      getScrollableTracksViewportWidth in interface Scrollable

    • getScrollableTracksViewportHeight

      public boolean getScrollableTracksViewportHeight()
      Specified by:
      getScrollableTracksViewportHeight in interface Scrollable