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

46 lines
1.6 KiB
Java

/*******************************************************************************
* Copyright (c) 2015 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 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.ESelectionService;
import org.eclipse.jface.viewers.IStructuredSelection;
import com.minres.scviewer.database.ui.TrackEntry;
import com.minres.scviewer.e4.application.parts.WaveformViewer;
public class DeleteWaveformHandler {
@SuppressWarnings("unchecked")
@CanExecute
public Boolean canExecute(ESelectionService selectionService){
Object o = selectionService.getSelection();
if(o instanceof IStructuredSelection) {
IStructuredSelection sel = (IStructuredSelection) o;
if(sel.size()>0)
return sel.toList().stream().allMatch(e-> e instanceof TrackEntry);
else
return false;
} else
return false;
}
@Execute
public void execute(ESelectionService selectionService, MPart activePart) {
Object o = activePart.getObject();
if(o instanceof WaveformViewer){
((WaveformViewer)o).removeSelectedStreamsFromList();
}
}
}