*/
package jalview.gui;
+import jalview.renderer.OverviewRenderer;
import jalview.util.MessageManager;
import jalview.util.Platform;
import jalview.viewmodel.OverviewDimensions;
import jalview.viewmodel.ViewportListenerI;
import java.awt.BorderLayout;
+import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
private boolean showHidden = true;
+ private boolean draggingBox = false;
+
+ private ProgressPanel progressPanel;
+
/**
* Creates a new OverviewPanel object.
*
(av.isShowAnnotation() && av
.getAlignmentConservationAnnotation() != null));
- setSize(od.getWidth(), od.getHeight());
-
- oviewCanvas = new OverviewCanvas(od, av);
setLayout(new BorderLayout());
+ progressPanel = new ProgressPanel(OverviewRenderer.UPDATE,
+ MessageManager.getString("label.oview_calc"), getWidth());
+ this.add(progressPanel, BorderLayout.SOUTH);
+ oviewCanvas = new OverviewCanvas(od, av, progressPanel);
+
add(oviewCanvas, BorderLayout.CENTER);
av.getRanges().addPropertyChangeListener(this);
+ // without this the overview window does not size to fit the overview canvas
+ setPreferredSize(new Dimension(od.getWidth(), od.getHeight()));
+
addComponentListener(new ComponentAdapter()
{
@Override
public void componentResized(ComponentEvent evt)
{
- if ((getWidth() != od.getWidth())
- || (getHeight() != (od.getHeight())))
+ // Resize is called on the initial display of the overview.
+ // This code adjusts sizes to account for the progress bar if it has not
+ // already been accounted for, which triggers another resize call for
+ // the correct sizing, at which point the overview image is updated.
+ // (This avoids a double recalculation of the image.)
+ if (getWidth() == od.getWidth() && getHeight() == od.getHeight()
+ + progressPanel.getHeight())
+ {
+ updateOverviewImage();
+ }
+ else
{
if ((getWidth() > 0) && (getHeight() > 0))
{
od.setWidth(getWidth());
- od.setHeight(getHeight());
+ od.setHeight(getHeight() - progressPanel.getHeight());
}
- setPreferredSize(new Dimension(od.getWidth(), od.getHeight()));
- setBoxPosition();
-
- updateOverviewImage();
- setBoxPosition();
+ setPreferredSize(new Dimension(od.getWidth(),
+ od.getHeight() + progressPanel.getHeight()));
}
}
+
});
addMouseMotionListener(new MouseMotionAdapter()
@Override
public void mouseDragged(MouseEvent evt)
{
- if (!SwingUtilities.isRightMouseButton(evt)
- && !av.getWrapAlignment())
+ if (!SwingUtilities.isRightMouseButton(evt))
{
- od.updateViewportFromMouse(evt.getX(), evt.getY(), av
+ if (draggingBox)
+ {
+ // set the mouse position as a fixed point in the box
+ // and drag relative to that position
+ od.adjustViewportFromMouse(evt.getX(),
+ evt.getY(), av.getAlignment().getHiddenSequences(),
+ av.getAlignment().getHiddenColumns());
+ }
+ else
+ {
+ od.updateViewportFromMouse(evt.getX(), evt.getY(), av
.getAlignment().getHiddenSequences(), av.getAlignment()
.getHiddenColumns());
+ }
+ }
+ }
+ @Override
+ public void mouseMoved(MouseEvent evt)
+ {
+ if (od.isPositionInBox(evt.getX(), evt.getY()))
+ {
+ // display drag cursor at mouse position
+ setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
+ }
+ else
+ {
+ // reset cursor
+ setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
}
}
});
showPopupMenu(evt);
}
}
- else if (!av.getWrapAlignment())
+ else
{
- od.updateViewportFromMouse(evt.getX(), evt.getY(), av
- .getAlignment().getHiddenSequences(), av.getAlignment()
- .getHiddenColumns());
+ if (!od.isPositionInBox(evt.getX(), evt.getY()))
+ {
+ // don't do anything if the mouse press is in the overview's box
+ // (wait to see if it's a drag instead)
+ // otherwise update the viewport
+ od.updateViewportFromMouse(evt.getX(), evt.getY(),
+ av.getAlignment().getHiddenSequences(),
+ av.getAlignment().getHiddenColumns());
+ }
+ else
+ {
+ draggingBox = true;
+ od.setDragPoint(evt.getX(), evt.getY(),
+ av.getAlignment().getHiddenSequences(),
+ av.getAlignment().getHiddenColumns());
+ }
+ }
+ }
+
+ @Override
+ public void mouseReleased(MouseEvent evt)
+ {
+ if (draggingBox)
+ {
+ draggingBox = false;
}
}
}
}
});
-
-
- updateOverviewImage();
}
/*
*/
public void updateOverviewImage()
{
+ if (oviewCanvas == null)
+ {
+ /*
+ * panel has been disposed
+ */
+ return;
+ }
+
if ((getWidth() > 0) && (getHeight() > 0))
{
od.setWidth(getWidth());
- od.setHeight(getHeight());
+ od.setHeight(getHeight() - progressPanel.getHeight());
}
- setPreferredSize(new Dimension(od.getWidth(), od.getHeight()));
+ setPreferredSize(new Dimension(od.getWidth(),
+ od.getHeight() + progressPanel.getHeight()));
if (oviewCanvas.restartDraw())
{
thread.start();
repaint();
+
}
@Override
public void run()
{
- oviewCanvas.draw(av.isShowSequenceFeatures(),
- (av.isShowAnnotation() && av
- .getAlignmentConservationAnnotation() != null), ap
- .getSeqPanel().seqCanvas.getFeatureRenderer());
- setBoxPosition();
+ if (oviewCanvas != null)
+ {
+ oviewCanvas.draw(av.isShowSequenceFeatures(),
+ (av.isShowAnnotation()
+ && av.getAlignmentConservationAnnotation() != null),
+ ap.getSeqPanel().seqCanvas.getFeatureRenderer());
+ setBoxPosition();
+ }
}
/**
*/
private void setBoxPosition()
{
- od.setBoxPosition(av.getAlignment().getHiddenSequences(), av
- .getAlignment().getHiddenColumns());
- repaint();
+ if (od != null)
+ {
+ od.setBoxPosition(av.getAlignment().getHiddenSequences(),
+ av.getAlignment().getHiddenColumns());
+ repaint();
+ }
}
@Override
{
setBoxPosition();
}
+
+ /**
+ * Removes this object as a property change listener, and nulls references
+ */
+ protected void dispose()
+ {
+ try
+ {
+ av.getRanges().removePropertyChangeListener(this);
+ oviewCanvas.dispose();
+ } finally
+ {
+ progressPanel = null;
+ av = null;
+ oviewCanvas = null;
+ ap = null;
+ od = null;
+ }
+ }
}