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/*****************************************************************************
* Copyright (c) 2016 CEA LIST 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:
* Nicolas FAUVERGUE (ALL4TEC) nicolas.fauvergue@all4tec.net - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.customization.nattableconfiguration.ediiton;
import java.util.Collections;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.customization.nattableconfiguration.messages.Messages;
import org.eclipse.papyrus.customization.nattableconfiguration.utils.NattableConfigurationConstants;
import org.eclipse.papyrus.infra.nattable.model.nattable.nattableaxisconfiguration.EStructuralFeatureValueFillingConfiguration;
import org.eclipse.papyrus.infra.nattable.utils.StringComparator;
import org.eclipse.papyrus.infra.widgets.Activator;
import org.eclipse.papyrus.infra.widgets.editors.ITreeSelectorDialog;
import org.eclipse.papyrus.infra.widgets.editors.TreeSelectorDialog;
import org.eclipse.papyrus.infra.widgets.providers.FlattenableRestrictedFilteredContentProvider;
import org.eclipse.papyrus.infra.widgets.providers.IRestrictedContentProvider;
import org.eclipse.papyrus.infra.widgets.selectors.ReferenceSelector;
import org.eclipse.papyrus.uml.nattable.provider.UMLFeatureRestrictedContentProvider;
import org.eclipse.papyrus.uml.tools.providers.UMLLabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CLabel;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.SelectionDialog;
/**
* The dialog which allow to edit the feature filling configuration features.
*/
public class FeatureFillingConfigurationDialog extends SelectionDialog {
/**
* A copy of initial feature filling configuration to modify with this dialog.
*/
protected final EStructuralFeatureValueFillingConfiguration modifiedFeatureFillingConf;
/**
* The label provider for the UML elements.
*/
protected final ILabelProvider labelProvider = new UMLLabelProvider();
/**
* The CLabel composite for the listen feature.
*/
protected CLabel listenFeatureText;
/**
* The browse button which allow to edit the listen feature.
*/
protected Button browseValuesButton;
/**
* The delete button which allow to unset the listen feature value.
*/
protected Button deleteValuesButton;
/**
* Constructor.
*
* @param parentShell
* The parent shell of the dialog.
* @param featureFillingConf
* The initial feature filling configuration to edit.
*/
public FeatureFillingConfigurationDialog(final Shell parentShell, final EStructuralFeatureValueFillingConfiguration featureFillingConf) {
super(parentShell);
this.modifiedFeatureFillingConf = EcoreUtil.copy(featureFillingConf);
setTitle(org.eclipse.papyrus.customization.nattableconfiguration.messages.Messages.FeatureFillingConfigurationDialog_featureFillingConfigurationDialogName);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.jface.dialogs.Dialog#create()
*/
@Override
public void create() {
super.create();
getShell().setImage(Activator.getDefault().getImage(NattableConfigurationConstants.PAPYRUS_ICON_PATH));
final Composite parent = new Composite((Composite) getDialogArea(), SWT.NONE);
parent.setLayout(new GridLayout(4, false));
parent.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
getShell().setSize(600, 400);
// Create the fields
createFields(parent);
getShell().pack();
Point size = getShell().getSize();
int minWidth = 600;
if (size.x < minWidth) {
size.x = minWidth;
}
getShell().setSize(size);
}
/**
* This allows to create the fields to edit the feature filling configuration.
*
* @param parent
* The parent composite.
*/
protected void createFields(final Composite parent) {
// Create the listen feature labels and dialog
final Label listenFeatureLabel = new Label(parent, SWT.NONE);
listenFeatureLabel.setText(Messages.FeatureFillingConfigurationDialog_listenFeature);
listenFeatureLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
listenFeatureText = new CLabel(parent, SWT.BORDER);
listenFeatureText.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
browseValuesButton = new Button(parent, SWT.PUSH);
browseValuesButton.setImage(Activator.getDefault().getImage(NattableConfigurationConstants.BROWSE_ICON_PATH));
browseValuesButton.setToolTipText(org.eclipse.papyrus.infra.widgets.messages.Messages.ReferenceDialog_EditValue);
browseValuesButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(final SelectionEvent e) {
browseAction(modifiedFeatureFillingConf.getListenFeature());
}
});
deleteValuesButton = new Button(parent, SWT.PUSH);
deleteValuesButton.setImage(Activator.getDefault().getImage(NattableConfigurationConstants.DELETE_ICON_PATH));
deleteValuesButton.setToolTipText(org.eclipse.papyrus.infra.widgets.messages.Messages.ReferenceDialog_UnsetValue);
deleteValuesButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(final SelectionEvent e) {
setListenFeature(null);
}
});
setListenFeature(modifiedFeatureFillingConf.getListenFeature());
}
/**
* The action executed when the "browse" button is selected Choose a value
* from a selection of already created objects.
*
* @param value
* The initial value of the listen feature.
*/
protected void browseAction(final Object value) {
final ITreeSelectorDialog dialog = new TreeSelectorDialog(getShell()) {
@Override
protected void initViewerAndProvider() {
super.initViewerAndProvider();
// Set a comparator to sort the tree viewer
getViewer().setComparator(new ViewerComparator(new StringComparator()));// should always be string element
}
};
dialog.setTitle(org.eclipse.papyrus.customization.nattableconfiguration.messages.Messages.FeatureFillingConfigurationDialog_listenFeatureDialogName);
final UMLFeatureRestrictedContentProvider contentProvider = new UMLFeatureRestrictedContentProvider(null, false);
final ReferenceSelector selector = new ReferenceSelector(false) {
@Override
public void createControls(Composite parent) {
super.createControls(parent);
this.treeViewer.setComparator(new ViewerComparator(new StringComparator()));// should always be string element
}
};
selector.setLabelProvider(labelProvider);
selector.setContentProvider(contentProvider);
final ITreeContentProvider treeContentProvider = new FlattenableRestrictedFilteredContentProvider((IRestrictedContentProvider) contentProvider, selector) {
@Override
public boolean isValidValue(final Object element) {
// EMF dependency, must not be done here, it should be better with a new content provider service
return element instanceof EReference && ((EReference) element).isMany() && element != EcorePackage.eINSTANCE.getEModelElement_EAnnotations();
}
};
dialog.setContentProvider(treeContentProvider);
dialog.setLabelProvider(labelProvider);
if (null != value) {
dialog.setInitialElementSelections(Collections.singletonList(value));
}
int result = dialog.open();
if (Window.OK == result) {
Object[] newValue = dialog.getResult();
if (null == newValue) {
return;
}
if (0 == newValue.length) {
setListenFeature(null);
} else {
setListenFeature((EStructuralFeature) newValue[0]);
}
}
}
/**
* This allows to set the listen feature and refresh the button corresponding to the listen feature value.
*
* @param structuralFeature
* The structural feature to set.
*/
protected void setListenFeature(final EStructuralFeature structuralFeature) {
if (null == modifiedFeatureFillingConf.getListenFeature() || !structuralFeature.equals(modifiedFeatureFillingConf.getListenFeature())) {
modifiedFeatureFillingConf.setListenFeature(structuralFeature);
}
listenFeatureText.setImage(labelProvider.getImage(modifiedFeatureFillingConf.getListenFeature()));
listenFeatureText.setText(labelProvider.getText(modifiedFeatureFillingConf.getListenFeature()));
deleteValuesButton.setEnabled(null != structuralFeature);
}
/**
* Returns the modified feature filling configuration.
*
* @return The modified feature filling configuration.
*/
public EStructuralFeatureValueFillingConfiguration getModifiedFeatureFillingConfiguration() {
return modifiedFeatureFillingConf;
}
}
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