51 lines
1.6 KiB
Java
51 lines
1.6 KiB
Java
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package com.minres.scviewer.e4.application.handlers;
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import java.util.Iterator;
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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.ISelection;
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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 ChangeValueDisplay {
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static final String PARAMETER_ID="com.minres.scviewer.e4.application.commandparameter.changevaluedisplay"; //$NON-NLS-1$
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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) return false;
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return (part.getObject() instanceof WaveformViewer);
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}
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@Execute
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public void execute(@Named(PARAMETER_ID) String param, EPartService partService) {
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MPart part = partService.getActivePart();
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Object obj = part.getObject();
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if(obj instanceof WaveformViewer){
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WaveformViewer wfv = (WaveformViewer)obj;
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ISelection sel = wfv.getSelection();
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if(!sel.isEmpty() && sel instanceof IStructuredSelection) {
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Iterator<?> it = ((IStructuredSelection)sel).iterator();
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it.next();
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if(it.hasNext()) {
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Object second = it.next();
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if(second instanceof TrackEntry) {
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TrackEntry.ValueDisplay val = TrackEntry.ValueDisplay.valueOf(param);
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((TrackEntry)second).valueDisplay=val;
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wfv.update();
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}
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}
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}
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}
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}
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}
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