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Fixed # 18 - Fixed tree view and stream list after last tab is closed

This commit is contained in:
Brita Keller 2019-11-25 17:46:28 +01:00 committed by Gitea
parent 429ea37080
commit 7e2869b7ee
4 changed files with 71 additions and 5 deletions
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6
com.minres.scviewer.database.ui.swt/src/com/minres/scviewer/database/swt/internal/WaveformViewer.java
View File

@ -46,6 +46,7 @@ import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
@ -1249,4 +1250,9 @@ public class WaveformViewer implements IWaveformViewer {
}
});
}
/// probably not the way it should be done
public void addDisposeListener( DisposeListener listener ) {
waveformCanvas.addDisposeListener(listener);
}
}

3
com.minres.scviewer.database.ui/src/com/minres/scviewer/database/ui/IWaveformViewer.java
View File

@ -17,6 +17,7 @@ import java.util.List;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Control;
@ -104,4 +105,6 @@ public interface IWaveformViewer extends PropertyChangeListener, ISelectionProvi
public void setBaselineTime(Long scale);
public void scrollHorizontal(int percent);
public void addDisposeListener( DisposeListener listener );
}

28
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/DesignBrowser.java
View File

@ -49,6 +49,8 @@ import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.PaintEvent;
@ -344,6 +346,16 @@ public class DesignBrowser {
thisSelectionCount=selection.toList().size();
updateButtons();
}
/**
* reset tree viewer and tableviewer after every closed tab
*/
protected void resetTreeViewer() {
//reset tree- and tableviewer
treeViewer.setInput(null);
txTableViewer.setInput(null);
txTableViewer.setSelection(null);
}
/**
* Gets the status event.
@ -354,21 +366,31 @@ public class DesignBrowser {
@SuppressWarnings("unchecked")
@Inject @Optional
public void getActiveWaveformViewerEvent(@UIEventTopic(WaveformViewer.ACTIVE_WAVEFORMVIEW) WaveformViewer waveformViewerPart) {
if(this.waveformViewerPart!=null)
if(this.waveformViewerPart!=null) {
this.waveformViewerPart.storeDesignBrowerState(new DBState());
}
if( this.waveformViewerPart == null || this.waveformViewerPart != waveformViewerPart ) {
waveformViewerPart.addDisposeListener( new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
// reset tree- and tableviewer
resetTreeViewer();
}
} );
}
this.waveformViewerPart=waveformViewerPart;
IWaveformDb database = waveformViewerPart.getDatabase();
Object input = treeViewer.getInput();
if(input!=null && input instanceof List<?>){
IWaveformDb db = ((List<IWaveformDb>)input).get(0);
if(db==database) return; // do nothing if old and new daabase is the same
if(db==database) return; // do nothing if old and new database is the same
((List<IWaveformDb>)input).get(0).removePropertyChangeListener(treeViewerPCL);
}
treeViewer.setInput(Arrays.asList(database.isLoaded()?new IWaveformDb[]{database}:new IWaveformDb[]{new LoadingWaveformDb()}));
Object state=this.waveformViewerPart.retrieveDesignBrowerState();
if(state!=null && state instanceof DBState)
((DBState)state).apply();
else
else
txTableViewer.setInput(null);
// Set up the tree viewer
database.addPropertyChangeListener(treeViewerPCL);

39
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/WaveformViewer.java
View File

@ -63,6 +63,8 @@ import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseTrackListener;
import org.eclipse.swt.events.MouseWheelListener;
@ -72,7 +74,7 @@ import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.TypedListener;
import com.minres.scviewer.database.ITx;
import com.minres.scviewer.database.ITxEvent;
import com.minres.scviewer.database.ITxRelation;
@ -101,7 +103,7 @@ import com.minres.scviewer.e4.application.preferences.PreferenceConstants;
* The Class WaveformViewerPart.
*/
@SuppressWarnings("restriction")
public class WaveformViewer implements IFileChangeListener, IPreferenceChangeListener {
public class WaveformViewer implements IFileChangeListener, IPreferenceChangeListener, DisposeListener {
/** The Constant ACTIVE_WAVEFORMVIEW. */
public static final String ACTIVE_WAVEFORMVIEW = "Active_Waveform_View"; //$NON-NLS-1$
@ -149,6 +151,9 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
/** The Constant WAVE_ACTION_ID. */
public static final String WAVE_ACTION_ID = "com.minres.scviewer.ui.action.AddToWave"; //$NON-NLS-1$
/** The number of active DisposeListeners */
private static int disposeListenerNumber = 0;
/** The factory. */
WaveformViewerFactory factory = new WaveformViewerFactory();
@ -178,6 +183,8 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
@Inject
@Preference(nodePath = PreferenceConstants.PREFERENCES_SCOPE)
IEclipsePreferences prefs;
@Inject @Optional DesignBrowser designBrowser;
/** The database. */
private IWaveformDb database;
@ -221,6 +228,8 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
*/
@PostConstruct
public void createComposite(MPart part, Composite parent, IWaveformDbFactory dbFactory) {
disposeListenerNumber += 1;
myPart = part;
myParent = parent;
database = dbFactory.getDatabase();
@ -393,6 +402,8 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
}
});
prefs.addPreferenceChangeListener(this);
waveformPane.addDisposeListener(this);
}
/* (non-Javadoc)
@ -1185,4 +1196,28 @@ public class WaveformViewer implements IFileChangeListener, IPreferenceChangeLis
waveformPane.update();
}
/**
* add dispose listener
*
* @param listener
*/
public void addDisposeListener (DisposeListener listener) {
waveformPane.getControl().addDisposeListener(listener);
}
/**
* triggers included actions if widget is disposed
*
* @param e
*/
public void widgetDisposed(DisposeEvent e) {
disposeListenerNumber -= 1;
if( disposeListenerNumber == 0) { //if the last tab is closed, reset statusbar
eventBroker.post(WaveStatusBarControl.ZOOM_LEVEL, null);
eventBroker.post(WaveStatusBarControl.CURSOR_TIME, null);
eventBroker.post(WaveStatusBarControl.MARKER_TIME, null);
eventBroker.post(WaveStatusBarControl.MARKER_DIFF, null);
}
}
}