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

52 lines
2.0 KiB
Java

/*******************************************************************************
* Copyright (c) 2023 MINRES Technologies GmbH and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
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.workbench.modeling.EPartService;
import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
import org.eclipse.jface.viewers.IStructuredSelection;
import com.minres.scviewer.database.BlankWaveform;
import com.minres.scviewer.database.IWaveform;
import com.minres.scviewer.database.tx.ITx;
import com.minres.scviewer.database.ui.TrackEntry;
import com.minres.scviewer.e4.application.parts.WaveformViewer;
public class AddBlankWaveformHandler {
public static final String PARAM_WHERE_ID="com.minres.scviewer.e4.application.commandparameter.add_blank"; //$NON-NLS-1$
@CanExecute
public Boolean canExecute(ESelectionService selectionService){
Object sel = selectionService.getSelection();
if( sel instanceof IStructuredSelection) {
Object o= ((IStructuredSelection)sel).getFirstElement();
return o instanceof IWaveform || o instanceof ITx | o instanceof TrackEntry;
}
return false;
}
@Execute
public void execute(@Named(PARAM_WHERE_ID) String where, EPartService partService) {
Object obj = partService.getActivePart().getObject();
if(obj instanceof WaveformViewer){
((WaveformViewer)obj).addStreamsToList(
new IWaveform[]{new BlankWaveform()}, "before".equalsIgnoreCase(where)); //$NON-NLS-1$
}
}
}