46 lines
1.7 KiB
Java
46 lines
1.7 KiB
Java
/*******************************************************************************
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* Copyright (c) 2015-2021 MINRES Technologies GmbH and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* MINRES Technologies GmbH - initial API and implementation
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*******************************************************************************/
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package com.minres.scviewer.e4.application.handlers;
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import java.util.Optional;
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import org.eclipse.e4.core.di.annotations.CanExecute;
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import org.eclipse.e4.core.di.annotations.Execute;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import com.minres.scviewer.database.ui.TrackEntry;
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import com.minres.scviewer.e4.application.parts.WaveformViewer;
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public class DeleteWaveformHandler {
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@SuppressWarnings("unchecked")
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@CanExecute
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public Boolean canExecute(ESelectionService selectionService){
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Object sel = selectionService.getSelection();
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if(sel instanceof IStructuredSelection) {
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if(((IStructuredSelection)sel).isEmpty()) return false;
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Optional<TrackEntry> o= ((IStructuredSelection)sel).toList().stream().filter(e -> e instanceof TrackEntry).findFirst();
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return o.isPresent();
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} else
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return false;
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}
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@Execute
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public void execute(ESelectionService selectionService, MPart activePart) {
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Object o = activePart.getObject();
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if(o instanceof WaveformViewer){
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((WaveformViewer)o).removeSelectedStreamsFromList();
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}
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}
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} |