SCViewer/com.minres.scviewer.e4.appl.../src/com/minres/scviewer/e4/application/handlers/MoveWaveformHandler.java

38 lines
1.2 KiB
Java

package com.minres.scviewer.e4.application.handlers;
import javax.inject.Named;
import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.workbench.modeling.EPartService;
import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
import com.minres.scviewer.database.ITx;
import com.minres.scviewer.database.IWaveform;
import com.minres.scviewer.e4.application.parts.WaveformViewerPart;
public class MoveWaveformHandler {
static final String PARAMETER_ID="com.minres.scviewer.e4.application.command.movewaveformupCommand.parameter.dir";
@CanExecute
public Boolean canExecute(ESelectionService selectionService){
Object o = selectionService.getSelection();
return o instanceof IWaveform<?> || o instanceof ITx;
}
@Execute
public void execute(@Named(PARAMETER_ID) String param, EPartService partService) {
MPart part = partService.getActivePart();
Object obj = part.getObject();
if(obj instanceof WaveformViewerPart){
if("up".equalsIgnoreCase(param))
((WaveformViewerPart)obj).moveSelected(-1);
else if("down".equalsIgnoreCase(param))
((WaveformViewerPart)obj).moveSelected(1);
}
}
}