60 lines
2.2 KiB
Java
60 lines
2.2 KiB
Java
/*******************************************************************************
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* Copyright (c) 2023 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 javax.inject.Named;
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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.EPartService;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import com.minres.scviewer.database.EmptyWaveform;
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import com.minres.scviewer.database.IWaveform;
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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 AddSeparatorHandler {
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public static final String PARAM_WHERE_ID="com.minres.scviewer.e4.application.commandparameter.add_separator"; //$NON-NLS-1$
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@CanExecute
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public Boolean canExecute(EPartService partService){
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MPart part = partService.getActivePart();
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if(part!=null && part.getObject() instanceof WaveformViewer){
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Object sel = ((WaveformViewer)part.getObject()).getSelection();
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if( sel instanceof IStructuredSelection) {
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if( sel instanceof IStructuredSelection) {
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if(((IStructuredSelection)sel).isEmpty()) return false;
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@SuppressWarnings("unchecked")
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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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}
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}
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}
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return false;
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}
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@Execute
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public void execute(@Named(PARAM_WHERE_ID) String where, EPartService partService) {
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Object obj = partService.getActivePart().getObject();
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if(obj instanceof WaveformViewer){
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((WaveformViewer)obj).addStreamsToList(
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new IWaveform[]{new EmptyWaveform()}, "before".equalsIgnoreCase(where)); //$NON-NLS-1$
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}
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}
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}
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