| /******************************************************************************* |
| * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency |
| * 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: |
| * Pierre Allard, |
| * Regent L'Archeveque - initial API and implementation |
| * |
| * SPDX-License-Identifier: EPL-1.0 |
| * |
| *******************************************************************************/ |
| package org.eclipse.apogy.core.environment.surface.ui.composites; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.apogy.common.emf.ApogyCommonEMFFacade; |
| import org.eclipse.apogy.common.emf.ui.wizards.ApogyEObjectWizard; |
| import org.eclipse.apogy.core.environment.surface.AbstractMapLayer; |
| import org.eclipse.apogy.core.environment.surface.ApogySurfaceEnvironmentFacade; |
| import org.eclipse.apogy.core.environment.surface.ApogySurfaceEnvironmentPackage; |
| import org.eclipse.apogy.core.environment.surface.CartesianTriangularMeshMapLayer; |
| import org.eclipse.apogy.core.environment.surface.FeaturesOfInterestMapLayer; |
| import org.eclipse.apogy.core.environment.surface.ImageMapLayer; |
| import org.eclipse.apogy.core.environment.surface.Map; |
| import org.eclipse.apogy.core.environment.surface.ui.ApogySurfaceEnvironmentUIFactory; |
| import org.eclipse.apogy.core.environment.surface.ui.ImageMapLayerUISettings; |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.UpdateValueStrategy; |
| import org.eclipse.core.databinding.conversion.Converter; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.edit.provider.ComposedAdapterFactory; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; |
| import org.eclipse.jface.databinding.swt.WidgetProperties; |
| import org.eclipse.jface.databinding.viewers.ViewerProperties; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.wizard.Wizard; |
| import org.eclipse.jface.wizard.WizardDialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Tree; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class OtherLayersListComposite extends Composite { |
| private static final Logger Logger = LoggerFactory.getLogger(OtherLayersListComposite.class); |
| |
| private Map map; |
| |
| private final Tree tree; |
| private final TreeViewer treeViewer; |
| private final Button btnNew; |
| private final Button btnDelete; |
| |
| private final AdapterFactory adapterFactory = new ComposedAdapterFactory( |
| ComposedAdapterFactory.Descriptor.Registry.INSTANCE); |
| private DataBindingContext m_bindingContext; |
| |
| public OtherLayersListComposite(Composite parent, int style) { |
| super(parent, style); |
| setLayout(new GridLayout(2, false)); |
| |
| this.treeViewer = new TreeViewer(this, |
| SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI); |
| this.tree = this.treeViewer.getTree(); |
| GridData gd_tree = new GridData(SWT.FILL, SWT.FILL, false, true, 1, 1); |
| gd_tree.widthHint = 300; |
| gd_tree.minimumWidth = 300; |
| this.tree.setLayoutData(gd_tree); |
| this.tree.setLinesVisible(true); |
| |
| this.treeViewer.setContentProvider(new CompositeFilterContentProvider()); |
| this.treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(this.adapterFactory)); |
| this.treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| @Override |
| public void selectionChanged(SelectionChangedEvent event) { |
| newAbstractMapLayerSelected( |
| (AbstractMapLayer) ((IStructuredSelection) event.getSelection()).getFirstElement()); |
| } |
| }); |
| |
| // Buttons. |
| Composite composite = new Composite(this, SWT.NONE); |
| composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1)); |
| composite.setLayout(new GridLayout(1, false)); |
| |
| this.btnNew = new Button(composite, SWT.NONE); |
| this.btnNew.setSize(74, 29); |
| this.btnNew.setText("New"); |
| this.btnNew.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); |
| this.btnNew.setEnabled(true); |
| this.btnNew.addListener(SWT.Selection, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| if (event.type == SWT.Selection) { |
| ImageMapLayerUISettings settings = ApogySurfaceEnvironmentUIFactory.eINSTANCE |
| .createImageMapLayerUISettings(); |
| settings.setName(ApogyCommonEMFFacade.INSTANCE.getDefaultName(getMap(), null, |
| ApogySurfaceEnvironmentPackage.Literals.MAP__LAYERS)); |
| settings.setMap(getMap()); |
| |
| Wizard wizard = new ApogyEObjectWizard(ApogySurfaceEnvironmentPackage.Literals.MAP__LAYERS, |
| getMap(), settings, ApogySurfaceEnvironmentPackage.Literals.ABSTRACT_MAP_LAYER); |
| WizardDialog dialog = new WizardDialog(getShell(), wizard); |
| dialog.open(); |
| |
| // Forces the viewer to refresh its input. |
| if (!OtherLayersListComposite.this.treeViewer.isBusy()) { |
| OtherLayersListComposite.this.treeViewer.setInput(getMap()); |
| } |
| } |
| } |
| }); |
| |
| this.btnDelete = new Button(composite, SWT.NONE); |
| this.btnDelete.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); |
| this.btnDelete.setSize(74, 29); |
| this.btnDelete.setText("Delete"); |
| this.btnDelete.setEnabled(false); |
| this.btnDelete.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent event) { |
| String abstractMapLayerToDeleteMessage = ""; |
| |
| Iterator<AbstractMapLayer> abstractMapLayers = getSelectedAbstractMapLayers().iterator(); |
| while (abstractMapLayers.hasNext()) { |
| AbstractMapLayer abstractMapLayer = abstractMapLayers.next(); |
| abstractMapLayerToDeleteMessage = abstractMapLayerToDeleteMessage + abstractMapLayer.getName(); |
| |
| if (abstractMapLayers.hasNext()) { |
| abstractMapLayerToDeleteMessage = abstractMapLayerToDeleteMessage + ", "; |
| } |
| } |
| |
| MessageDialog dialog = new MessageDialog(null, "Delete the selected Map Layers", null, |
| "Are you sure to delete these Map Layers: " + abstractMapLayerToDeleteMessage, |
| MessageDialog.QUESTION, new String[] { "Yes", "No" }, 1); |
| int result = dialog.open(); |
| if (result == 0) { |
| for (AbstractMapLayer layer : getSelectedAbstractMapLayers()) { |
| try { |
| ApogySurfaceEnvironmentFacade.INSTANCE.deleteLayerFromMap(layer.getMap(), layer); |
| } catch (Exception e) { |
| Logger.error("Unable to delete the Map Layer <" + layer.getName() + ">.", e); |
| } |
| } |
| } |
| |
| // Forces the viewer to refresh its input. |
| if (!OtherLayersListComposite.this.treeViewer.isBusy()) { |
| OtherLayersListComposite.this.treeViewer.setInput(getMap()); |
| } |
| } |
| }); |
| |
| // Dispose |
| addDisposeListener(new DisposeListener() { |
| @Override |
| public void widgetDisposed(DisposeEvent e) { |
| if (OtherLayersListComposite.this.m_bindingContext != null) |
| OtherLayersListComposite.this.m_bindingContext.dispose(); |
| |
| } |
| }); |
| } |
| |
| public Map getMap() { |
| return this.map; |
| } |
| |
| public void setMap(Map newMap) { |
| if (this.m_bindingContext != null) { |
| this.m_bindingContext.dispose(); |
| } |
| |
| this.map = newMap; |
| |
| if (newMap != null) { |
| this.m_bindingContext = customInitDataBindings(); |
| this.treeViewer.setInput(newMap); |
| |
| AbstractMapLayer layer = getFirstAbstractMapLayer(newMap); |
| if (layer != null) { |
| this.treeViewer.setSelection(new StructuredSelection(layer), true); |
| } |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| public List<AbstractMapLayer> getSelectedAbstractMapLayers() { |
| return ((IStructuredSelection) this.treeViewer.getSelection()).toList(); |
| } |
| |
| protected AbstractMapLayer getFirstAbstractMapLayer(Map map) { |
| List<AbstractMapLayer> maps = filterMap(map); |
| if (!maps.isEmpty()) { |
| return maps.get(0); |
| } else { |
| return null; |
| } |
| } |
| |
| protected void newAbstractMapLayerSelected(AbstractMapLayer abstractMapLayer) { |
| } |
| |
| protected DataBindingContext customInitDataBindings() { |
| DataBindingContext bindingContext = new DataBindingContext(); |
| |
| IObservableValue<?> observeSingleSelectionViewer = ViewerProperties.singleSelection().observe(this.treeViewer); |
| |
| /* Delete Button Enabled Binding. */ |
| IObservableValue<?> observeEnabledBtnDeleteObserveWidget = WidgetProperties.enabled().observe(this.btnDelete); |
| bindingContext.bindValue(observeEnabledBtnDeleteObserveWidget, observeSingleSelectionViewer, null, |
| new UpdateValueStrategy(UpdateValueStrategy.POLICY_UPDATE) |
| .setConverter(new Converter(Object.class, Boolean.class) { |
| @Override |
| public Object convert(Object fromObject) { |
| return fromObject != null; |
| } |
| })); |
| |
| return bindingContext; |
| } |
| |
| private List<AbstractMapLayer> filterMap(Map map) { |
| List<AbstractMapLayer> maps = new ArrayList<AbstractMapLayer>(); |
| for (AbstractMapLayer layer : map.getLayers()) { |
| if (!(layer instanceof CartesianTriangularMeshMapLayer) && !(layer instanceof FeaturesOfInterestMapLayer) |
| && !(layer instanceof ImageMapLayer)) { |
| |
| maps.add(layer); |
| } |
| } |
| |
| return maps; |
| } |
| |
| private class CompositeFilterContentProvider implements ITreeContentProvider { |
| @Override |
| public void dispose() { |
| } |
| |
| @Override |
| public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| } |
| |
| @Override |
| public Object[] getElements(Object inputElement) { |
| if (inputElement instanceof Map) { |
| Map map = (Map) inputElement; |
| |
| // Keeps only CartesianTriangularMeshMapLayers. |
| return filterMap(map).toArray(); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Object[] getChildren(Object parentElement) { |
| if (parentElement instanceof Map) { |
| Map map = (Map) parentElement; |
| |
| // Keeps only CartesianTriangularMeshMapLayers. |
| return filterMap(map).toArray(); |
| } |
| |
| return null; |
| } |
| |
| @Override |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(Object element) { |
| if (element instanceof Map) { |
| Map map = (Map) element; |
| return !filterMap(map).isEmpty(); |
| } else { |
| return false; |
| } |
| } |
| } |
| } |
