Package ghidra.framework.main.logviewer.ui

Class ViewportUtility

  • All Implemented Interfaces:
    java.util.Observer
    public class ViewportUtility
extends java.lang.Object
implements java.util.Observer
    Utility class for managing the viewport in the FVTable. This viewport must be adjusted manually whenever Chunk objects are added to or removed from to the view, or whenever the FVScrollBar is moved.

    • Constructor Detail

      • ViewportUtility

        public ViewportUtility​(FVEventListener eventListener)

    • Method Detail

      • setViewport

        public void setViewport​(javax.swing.JViewport viewport)
        Parameters:
        viewport -

      • setTable

        public void setTable​(FVTable table)
        Parameters:
        table -

      • setReader

        public void setReader​(ChunkReader reader)
        Parameters:
        reader -

      • setModel

        public void setModel​(ChunkModel model)
        Parameters:
        model -

      • getHeight

        public int getHeight()
        Returns the height (in pixels) of the viewport.
        Returns:

      • getViewportPositionAsRow

        public int getViewportPositionAsRow()
        Returns the table row associated with the top of the viewport.
        Returns:

      • isInViewport

        public boolean isInViewport​(int row)
        Returns true if the given row is in the viewport.
        Parameters:
        row -
        Returns:

      • moveViewportToBottom

        public void moveViewportToBottom()
        Snaps the viewport to the bottom of the table.

      • moveViewportToTop

        public void moveViewportToTop()
        Snaps the viewport to the top of the table.

      • getNumRowsInViewport

        public int getNumRowsInViewport()
        Returns the number of rows that are visible in the viewport.
        Returns:

      • scrollViewportTo

        public void scrollViewportTo​(int row)
        Moves the viewport (top) to the given row in the current view.
        Parameters:
        row -

      • moveViewportUp

        public void moveViewportUp​(int rows,
                           boolean selection)
        Moves the viewport up the number of rows specified. If moving up puts he view above the bounds of the first-visible chunk, load a previous chunk.
        Parameters:
        rows -
        selection -

      • moveViewportDown

        public void moveViewportDown​(int rows,
                             boolean selection)
        Moves the viewport down the number of rows specified. If moving down puts he view below the bounds of the first-visible chunk, load the next chunk.
        Parameters:
        rows -
        selection -

      • update

        public void update​(java.util.Observable o,
                   java.lang.Object arg)
        Specified by:
        update in interface java.util.Observer
        Parameters:
        o -
        arg -