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

72 lines
2.6 KiB
Java

/*******************************************************************************
* Copyright (c) 2015-2023 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 org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Evaluate;
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.jface.viewers.IStructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Shell;
import com.minres.scviewer.database.EmptyWaveform;
import com.minres.scviewer.database.ui.TrackEntry;
import com.minres.scviewer.e4.application.parts.TextInputDialog;
import com.minres.scviewer.e4.application.parts.WaveformViewer;
public class SetLabelTextHandler {
@Execute
public void execute(Shell shell, EPartService partService) {
MPart part = partService.getActivePart();
if(part!=null && part.getObject() instanceof WaveformViewer){
Object sel = ((WaveformViewer)part.getObject()).getSelection();
if( sel instanceof IStructuredSelection) {
Object o= ((IStructuredSelection)sel).getFirstElement();
if(o instanceof TrackEntry) {
TrackEntry te = (TrackEntry)o;
if(te.waveform instanceof EmptyWaveform) {
EmptyWaveform waveform= (EmptyWaveform)te.waveform;
TextInputDialog dialog = new TextInputDialog(shell);
dialog.create();
dialog.setTitle("Change Separator Text");
dialog.setText(waveform.getName());
if (dialog.open() == Window.OK) {
waveform.setName(dialog.getText());
}
}
}
}
}
}
@Evaluate
@CanExecute
public Boolean canExecute(MPart activePart){
if(activePart!=null && activePart.getObject() instanceof WaveformViewer){
Object sel = ((WaveformViewer)activePart.getObject()).getSelection();
if( sel instanceof IStructuredSelection) {
if(((IStructuredSelection)sel).isEmpty()) return false;
Object o= ((IStructuredSelection)sel).getFirstElement();
if(o instanceof TrackEntry) {
TrackEntry te = (TrackEntry)o;
return te.waveform instanceof EmptyWaveform;
}
}
}
return false;
}
}