144 lines
5.0 KiB
Java
144 lines
5.0 KiB
Java
/*******************************************************************************
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* Copyright (c) 2015 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.elements;
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import javax.annotation.PostConstruct;
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import javax.inject.Inject;
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import javax.inject.Named;
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import org.eclipse.e4.core.di.annotations.Optional;
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import org.eclipse.e4.ui.model.application.ui.basic.MPart;
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import org.eclipse.e4.ui.services.IServiceConstants;
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import org.eclipse.e4.ui.workbench.modeling.EPartService;
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import org.eclipse.jface.viewers.ArrayContentProvider;
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import org.eclipse.jface.viewers.ComboViewer;
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import org.eclipse.jface.viewers.ISelection;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.StructuredSelection;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.widgets.Combo;
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import org.eclipse.swt.widgets.Composite;
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import com.minres.scviewer.database.ITx;
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import com.minres.scviewer.database.RelationType;
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import com.minres.scviewer.e4.application.Messages;
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import com.minres.scviewer.e4.application.parts.PartListener;
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import com.minres.scviewer.e4.application.parts.WaveformViewer;
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/**
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* The Class RelationTypeToolControl allowing to control which TX relation is used for navigation.
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*/
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public class RelationTypeToolControl extends PartListener implements ISelectionChangedListener {
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/** The part service. */
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EPartService partService;
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/** The combo viewer. */
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ComboViewer comboViewer;
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/** The waveform viewer part. */
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WaveformViewer waveformViewerPart;
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/** The dummy. */
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RelationType dummy = RelationType.create(Messages.RelationTypeToolControl_0);
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/**
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* Instantiates a new relation type tool control.
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*
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* @param partService the part service
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*/
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@Inject
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public RelationTypeToolControl(EPartService partService) {
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this.partService=partService;
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partService.addPartListener(this);
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}
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/**
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* Creates the gui.
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*
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* @param parent the parent
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*/
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@PostConstruct
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public void createGui(Composite parent) {
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comboViewer = new ComboViewer(parent, SWT.NONE);
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Combo comboBox = comboViewer.getCombo();
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comboBox.setBounds(0, 0, 26, 22);
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comboBox.setText(Messages.RelationTypeToolControl_1);
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comboViewer.setContentProvider(new ArrayContentProvider());
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comboViewer.setInput(new RelationType[] {dummy});
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comboViewer.setSelection(new StructuredSelection(dummy));
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comboViewer.addSelectionChangedListener(this);
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}
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/* (non-Javadoc)
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* @see com.minres.scviewer.e4.application.parts.PartListener#partActivated(org.eclipse.e4.ui.model.application.ui.basic.MPart)
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*/
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@Override
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public void partActivated(MPart part) {
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if(part.getObject() instanceof WaveformViewer){
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waveformViewerPart=(WaveformViewer) part.getObject();
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checkSelection(waveformViewerPart.getSelection());
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} else {
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waveformViewerPart=null;
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checkSelection(new StructuredSelection());
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}
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}
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/**
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* Sets the selection.
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*
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* @param selection the selection
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* @param partService the part service
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*/
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@Inject
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public void setSelection(@Named(IServiceConstants.ACTIVE_SELECTION) @Optional IStructuredSelection selection, EPartService partService){
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MPart part = partService.getActivePart();
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if(part!=null && part.getObject() instanceof WaveformViewer && comboViewer!=null){
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checkSelection(selection);
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}
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}
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/**
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* Check selection.
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*
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* @param selection the selection
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*/
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protected void checkSelection(ISelection selection) {
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if( selection instanceof IStructuredSelection) {
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Object object= ((IStructuredSelection)selection).getFirstElement();
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if(object instanceof ITx && waveformViewerPart!=null){
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comboViewer.getCombo().setEnabled(true);
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comboViewer.setInput(waveformViewerPart.getSelectionRelationTypes());//getAllRelationTypes());
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comboViewer.setSelection(new StructuredSelection(waveformViewerPart.getRelationTypeFilter()));
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return;
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}
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}
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if(comboViewer!=null) comboViewer.getCombo().setEnabled(false);
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
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*/
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@Override
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public void selectionChanged(SelectionChangedEvent event) {
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MPart part = partService.getActivePart();
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if(part!=null && part.getObject() instanceof WaveformViewer && !event.getSelection().isEmpty()){
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WaveformViewer waveformViewerPart=(WaveformViewer) part.getObject();
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if(event.getSelection() instanceof IStructuredSelection){
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waveformViewerPart.setNavigationRelationType(
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(RelationType)((IStructuredSelection)event.getSelection()).getFirstElement());
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}
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}
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}
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} |