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

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This commit is contained in:
Brita Keller
2019-11-25 17:46:28 +01:00
parent 04f011e82f
commit 52f3f7b348
4 changed files with 71 additions and 5 deletions
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28
com.minres.scviewer.e4.application/src/com/minres/scviewer/e4/application/parts/DesignBrowser.java
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@ -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);