plugins/org.eclipse.emf.edapt.history.editor/src/org/eclipse/emf/edapt/history/instantiation/ui/ReleaseWizardPage.java - gerrit/edapt/org.eclipse.emf.edapt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007-2019 BMW Car IT, TUM, EclipseSource Muenchen GmbH, Christian W. Damus, 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:
  * Johannes Faltermeier - initial API and implementation
  * Christian W. Damus - bug 544147
  ******************************************************************************/
 package org.eclipse.emf.edapt.history.instantiation.ui;

 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.emf.ecore.EPackage;
 import org.eclipse.emf.edapt.internal.common.URIUtils;
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.layout.GridLayoutFactory;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.ScrolledComposite;
 import org.eclipse.swt.events.KeyAdapter;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.layout.FillLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 /**
  * {@link WizardPage} to replace the ns uri label of a single EPackage.
  *
  * @author jfaltermeier
  *
  */
 public class ReleaseWizardPage extends WizardPage {

 	private final Map<EPackage, String> packageToInferedSource = new LinkedHashMap<EPackage, String>();

 	private final Map<EPackage, Text> packageToSourceText = new LinkedHashMap<EPackage, Text>();
 	private final Map<EPackage, Text> packageToTargetText = new LinkedHashMap<EPackage, Text>();
 	private final Map<EPackage, Button> packageToUpdateButton = new LinkedHashMap<EPackage, Button>();

 	private final List<EPackage> packages;
 	private final Set<EPackage> changedPackages;

 	/**
 	 * Constructs a new {@link ReleaseWizardPage}.
 	 *
 	 * @param pageName
 	 * @param description
 	 * @param titleImage
 	 * @param packages the packages
 	 * @param changedPackages the changed packages
 	 */
 	protected ReleaseWizardPage(String pageName, String description, ImageDescriptor titleImage,
 		List<EPackage> packages, Set<EPackage> changedPackages) {
 		super(pageName, pageName, titleImage);
 		setDescription(description);
 		this.packages = packages;
 		for (final EPackage ePackage : packages) {
 			packageToInferedSource.put(ePackage, inferSource(ePackage));
 		}
 		this.changedPackages = changedPackages;
 	}

 	/** Infer the label to be replaced from the package. */
 	private String inferSource(EPackage ePackage) {
 		try {
 			final String nsURI = ePackage.getNsURI();
 			final int index = nsURI.lastIndexOf('/');
 			return nsURI.substring(index + 1);
 		} catch (final RuntimeException e) {
 			return ""; //$NON-NLS-1$
 		}
 	}

 	@Override
 	public void createControl(Composite parent) {
 		final Composite mainComposite = new Composite(parent, SWT.NONE);
 		GridLayoutFactory.fillDefaults().numColumns(1).applyTo(mainComposite);

 		final ScrolledComposite scrolledComposite = new ScrolledComposite(mainComposite, SWT.H_SCROLL | SWT.V_SCROLL);
 		scrolledComposite.setExpandHorizontal(true);
 		scrolledComposite.setExpandVertical(true);
 		scrolledComposite.setShowFocusedControl(true);
 		GridLayoutFactory.fillDefaults().numColumns(1).applyTo(scrolledComposite);
 		GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(scrolledComposite);

 		final Composite composite = new Composite(scrolledComposite, SWT.None);
 		GridLayoutFactory.fillDefaults().numColumns(5).applyTo(composite);
 		GridDataFactory.fillDefaults().grab(true, true).align(SWT.BEGINNING, SWT.BEGINNING).applyTo(composite);
 		composite.setBackground(composite.getDisplay().getSystemColor(SWT.COLOR_WHITE));
 		composite.setBackgroundMode(SWT.INHERIT_FORCE);

 		createLabel(composite, "#", SWT.COLOR_DARK_BLUE); //$NON-NLS-1$
 		createLabel(composite, "Package", SWT.COLOR_DARK_BLUE); //$NON-NLS-1$
 		GridDataFactory.fillDefaults().hint(250, SWT.DEFAULT)
 			.applyTo(createLabel(composite, "Label to match", SWT.COLOR_DARK_BLUE)); //$NON-NLS-1$
 		GridDataFactory.fillDefaults().hint(250, SWT.DEFAULT)
 			.applyTo(createLabel(composite, "Label to replace with", SWT.COLOR_DARK_BLUE)); //$NON-NLS-1$
 		createLabel(composite, "Update?", SWT.COLOR_DARK_BLUE) //$NON-NLS-1$
 			.setToolTipText("Whether to update the NS-URI at all."); //$NON-NLS-1$

 		for (int i = 0; i < packages.size(); i++) {
 			final EPackage ePackage = packages.get(i);

 			createLabel(composite, i + 1 + "."); //$NON-NLS-1$

 			createLabel(composite, ePackage.getNsURI());

 			final Text sourceText = new Text(composite, SWT.BORDER);
 			packageToSourceText.put(ePackage, sourceText);
 			sourceText.setText(packageToInferedSource.get(ePackage));
 			sourceText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			initSourceText(sourceText);

 			final Text targetText = new Text(composite, SWT.BORDER);
 			packageToTargetText.put(ePackage, targetText);
 			targetText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			initTargetText(targetText);

 			final Button updateButton = new Button(composite, SWT.CHECK);
 			updateButton.setToolTipText("Whether to update the NS-URI at all."); //$NON-NLS-1$
 			packageToUpdateButton.put(ePackage, updateButton);
 			updateButton.setSelection(changedPackages.contains(ePackage));
 			initUpdateButton(updateButton, ePackage);
 			setTextEnablement(updateButton, ePackage);

 		}

 		scrolledComposite.setContent(composite);
 		composite.layout();
 		final Point point = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT);
 		scrolledComposite.setMinSize(point);

 		if (packages.size() > 1) {
 			// Create convenience buttons to select/deselect all packages
 			final Composite buttonsComposite = new Composite(mainComposite, SWT.NONE);
 			GridDataFactory.swtDefaults().align(SWT.END, SWT.BEGINNING).applyTo(buttonsComposite);
 			buttonsComposite.setLayout(new FillLayout(SWT.HORIZONTAL));
 			createSelectAllButton(buttonsComposite, "Select &All", true); //$NON-NLS-1$
 			createSelectAllButton(buttonsComposite, "&Deselect All", false); //$NON-NLS-1$
 		}

 		setControl(mainComposite);

 		checkIfPageComplete();
 	}

 	private Label createLabel(Composite composite, String string) {
 		final Label label = new Label(composite, SWT.NONE);
 		label.setText(string);
 		return label;
 	}

 	private Label createLabel(Composite composite, String string, int color) {
 		final Label label = createLabel(composite, string);
 		label.setForeground(label.getDisplay().getSystemColor(color));
 		return label;
 	}

 	private void initSourceText(Text sourceText) {
 		sourceText.addKeyListener(new KeyAdapter() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				checkIfPageComplete();
 			}
 		});
 	}

 	private void initTargetText(Text targetText) {
 		targetText.addKeyListener(new KeyAdapter() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				checkIfPageComplete();
 			}
 		});
 	}

 	private void initUpdateButton(final Button updateButton, final EPackage ePackage) {
 		updateButton.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				setTextEnablement(updateButton, ePackage);
 				checkIfPageComplete();
 			}
 		});
 	}

 	private Button createSelectAllButton(Composite parent, final String label, final boolean select) {
 		final Button result = new Button(parent, SWT.PUSH);
 		result.setText(label);
 		result.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				selectAll(select);
 			}
 		});
 		return result;
 	}

 	private void selectAll(boolean select) {
 		for (final Map.Entry<EPackage, Button> next : packageToUpdateButton.entrySet()) {
 			final EPackage ePackage = next.getKey();
 			final Button checkbox = next.getValue();

 			if (checkbox.getSelection() != select) {
 				checkbox.setSelection(select);
 				setTextEnablement(checkbox, ePackage);
 			}
 		}

 		checkIfPageComplete();
 	}

 	private void setTextEnablement(final Button updateButton, final EPackage ePackage) {
 		final boolean selected = updateButton.getSelection();
 		final Text sourceText = packageToSourceText.get(ePackage);
 		final Text targetText = packageToTargetText.get(ePackage);

 		sourceText.setEnabled(selected);
 		targetText.setEnabled(selected);

 		// Can we pre-populate the target text?
 		final String target = targetText.getText().trim();
 		if (selected && target.isEmpty()) {
 			final String source = sourceText.getText().trim();
 			final String newTarget = URIUtils.incrementVersionSegment(source);
 			if (!source.equals(newTarget)) {
 				targetText.setText(newTarget);
 			}
 		}
 	}

 	private void checkIfPageComplete() {
 		for (int i = 0; i < packages.size(); i++) {
 			final EPackage ePackage = packages.get(i);

 			final Button updateButton = packageToUpdateButton.get(ePackage);
 			final Text sourceText = packageToSourceText.get(ePackage);
 			final Text targetText = packageToTargetText.get(ePackage);

 			if (!updateButton.getSelection()) {
 				continue;
 			}
 			if (sourceText.getText().isEmpty()) {
 				setErrorMessage("Package at index " + (i + 1) + ":\n Label to match may not be empty"); //$NON-NLS-1$ //$NON-NLS-2$
 				setPageComplete(false);
 				return;
 			}
 			if (targetText.getText().isEmpty()) {
 				setErrorMessage("Package at index " + (i + 1) + ":\n Label to replace may not be empty"); //$NON-NLS-1$ //$NON-NLS-2$
 				setPageComplete(false);
 				return;
 			}
 			if (sourceText.getText().equals(targetText.getText())) {
 				setErrorMessage("Package at index " + (i + 1) + ":\n Source and target label may not be equal"); //$NON-NLS-1$ //$NON-NLS-2$
 				setPageComplete(false);
 				return;
 			}
 		}

 		setErrorMessage(null);
 		setPageComplete(true);
 	}

 	/**
 	 * Returns source label.
 	 *
 	 * @param ePackage
 	 */
 	public String getSource(EPackage ePackage) {
 		return packageToSourceText.get(ePackage).getText();
 	}

 	/**
 	 * Returns target label.
 	 *
 	 * @param ePackage
 	 */
 	public String getTarget(EPackage ePackage) {
 		return packageToTargetText.get(ePackage).getText();
 	}

 	/** Returns update flag. */
 	public boolean isUpdate(EPackage ePackage) {
 		return packageToUpdateButton.get(ePackage).getSelection();
 	}

 	@Override
 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		if (visible) {
 			packageToTargetText.get(packages.get(0)).setFocus();
 		}
 	}

 	/**
 	 * Allows to set the target text that is visible.
 	 */
 	public void setTarget(EPackage ePackage, String target) {
 		packageToTargetText.get(ePackage).setText(target);
 		checkIfPageComplete();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2007-2019 BMW Car IT, TUM, EclipseSource Muenchen GmbH, Christian W. Damus, 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:
	* Johannes Faltermeier - initial API and implementation
	* Christian W. Damus - bug 544147
	******************************************************************************/
	package org.eclipse.emf.edapt.history.instantiation.ui;

	import java.util.LinkedHashMap;
	import java.util.List;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.emf.ecore.EPackage;
	import org.eclipse.emf.edapt.internal.common.URIUtils;
	import org.eclipse.jface.layout.GridDataFactory;
	import org.eclipse.jface.layout.GridLayoutFactory;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.ScrolledComposite;
	import org.eclipse.swt.events.KeyAdapter;
	import org.eclipse.swt.events.KeyEvent;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.layout.FillLayout;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	/**
	* {@link WizardPage} to replace the ns uri label of a single EPackage.
	*
	* @author jfaltermeier
	*
	*/
	public class ReleaseWizardPage extends WizardPage {

	private final Map<EPackage, String> packageToInferedSource = new LinkedHashMap<EPackage, String>();

	private final Map<EPackage, Text> packageToSourceText = new LinkedHashMap<EPackage, Text>();
	private final Map<EPackage, Text> packageToTargetText = new LinkedHashMap<EPackage, Text>();
	private final Map<EPackage, Button> packageToUpdateButton = new LinkedHashMap<EPackage, Button>();

	private final List<EPackage> packages;
	private final Set<EPackage> changedPackages;

	/**
	* Constructs a new {@link ReleaseWizardPage}.
	*
	* @param pageName
	* @param description
	* @param titleImage
	* @param packages the packages
	* @param changedPackages the changed packages
	*/
	protected ReleaseWizardPage(String pageName, String description, ImageDescriptor titleImage,
	List<EPackage> packages, Set<EPackage> changedPackages) {
	super(pageName, pageName, titleImage);
	setDescription(description);
	this.packages = packages;
	for (final EPackage ePackage : packages) {
	packageToInferedSource.put(ePackage, inferSource(ePackage));
	}
	this.changedPackages = changedPackages;
	}

	/** Infer the label to be replaced from the package. */
	private String inferSource(EPackage ePackage) {
	try {
	final String nsURI = ePackage.getNsURI();
	final int index = nsURI.lastIndexOf('/');
	return nsURI.substring(index + 1);
	} catch (final RuntimeException e) {
	return ""; //$NON-NLS-1$
	}
	}

	@Override
	public void createControl(Composite parent) {
	final Composite mainComposite = new Composite(parent, SWT.NONE);
	GridLayoutFactory.fillDefaults().numColumns(1).applyTo(mainComposite);

	final ScrolledComposite scrolledComposite = new ScrolledComposite(mainComposite, SWT.H_SCROLL \| SWT.V_SCROLL);
	scrolledComposite.setExpandHorizontal(true);
	scrolledComposite.setExpandVertical(true);
	scrolledComposite.setShowFocusedControl(true);
	GridLayoutFactory.fillDefaults().numColumns(1).applyTo(scrolledComposite);
	GridDataFactory.fillDefaults().align(SWT.FILL, SWT.FILL).grab(true, true).applyTo(scrolledComposite);

	final Composite composite = new Composite(scrolledComposite, SWT.None);
	GridLayoutFactory.fillDefaults().numColumns(5).applyTo(composite);
	GridDataFactory.fillDefaults().grab(true, true).align(SWT.BEGINNING, SWT.BEGINNING).applyTo(composite);
	composite.setBackground(composite.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	composite.setBackgroundMode(SWT.INHERIT_FORCE);

	createLabel(composite, "#", SWT.COLOR_DARK_BLUE); //$NON-NLS-1$
	createLabel(composite, "Package", SWT.COLOR_DARK_BLUE); //$NON-NLS-1$
	GridDataFactory.fillDefaults().hint(250, SWT.DEFAULT)
	.applyTo(createLabel(composite, "Label to match", SWT.COLOR_DARK_BLUE)); //$NON-NLS-1$
	GridDataFactory.fillDefaults().hint(250, SWT.DEFAULT)
	.applyTo(createLabel(composite, "Label to replace with", SWT.COLOR_DARK_BLUE)); //$NON-NLS-1$
	createLabel(composite, "Update?", SWT.COLOR_DARK_BLUE) //$NON-NLS-1$
	.setToolTipText("Whether to update the NS-URI at all."); //$NON-NLS-1$

	for (int i = 0; i < packages.size(); i++) {
	final EPackage ePackage = packages.get(i);

	createLabel(composite, i + 1 + "."); //$NON-NLS-1$

	createLabel(composite, ePackage.getNsURI());

	final Text sourceText = new Text(composite, SWT.BORDER);
	packageToSourceText.put(ePackage, sourceText);
	sourceText.setText(packageToInferedSource.get(ePackage));
	sourceText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	initSourceText(sourceText);

	final Text targetText = new Text(composite, SWT.BORDER);
	packageToTargetText.put(ePackage, targetText);
	targetText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	initTargetText(targetText);

	final Button updateButton = new Button(composite, SWT.CHECK);
	updateButton.setToolTipText("Whether to update the NS-URI at all."); //$NON-NLS-1$
	packageToUpdateButton.put(ePackage, updateButton);
	updateButton.setSelection(changedPackages.contains(ePackage));
	initUpdateButton(updateButton, ePackage);
	setTextEnablement(updateButton, ePackage);

	}

	scrolledComposite.setContent(composite);
	composite.layout();
	final Point point = composite.computeSize(SWT.DEFAULT, SWT.DEFAULT);
	scrolledComposite.setMinSize(point);

	if (packages.size() > 1) {
	// Create convenience buttons to select/deselect all packages
	final Composite buttonsComposite = new Composite(mainComposite, SWT.NONE);
	GridDataFactory.swtDefaults().align(SWT.END, SWT.BEGINNING).applyTo(buttonsComposite);
	buttonsComposite.setLayout(new FillLayout(SWT.HORIZONTAL));
	createSelectAllButton(buttonsComposite, "Select &All", true); //$NON-NLS-1$
	createSelectAllButton(buttonsComposite, "&Deselect All", false); //$NON-NLS-1$
	}

	setControl(mainComposite);

	checkIfPageComplete();
	}

	private Label createLabel(Composite composite, String string) {
	final Label label = new Label(composite, SWT.NONE);
	label.setText(string);
	return label;
	}

	private Label createLabel(Composite composite, String string, int color) {
	final Label label = createLabel(composite, string);
	label.setForeground(label.getDisplay().getSystemColor(color));
	return label;
	}

	private void initSourceText(Text sourceText) {
	sourceText.addKeyListener(new KeyAdapter() {
	@Override
	public void keyReleased(KeyEvent e) {
	checkIfPageComplete();
	}
	});
	}

	private void initTargetText(Text targetText) {
	targetText.addKeyListener(new KeyAdapter() {
	@Override
	public void keyReleased(KeyEvent e) {
	checkIfPageComplete();
	}
	});
	}

	private void initUpdateButton(final Button updateButton, final EPackage ePackage) {
	updateButton.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	setTextEnablement(updateButton, ePackage);
	checkIfPageComplete();
	}
	});
	}

	private Button createSelectAllButton(Composite parent, final String label, final boolean select) {
	final Button result = new Button(parent, SWT.PUSH);
	result.setText(label);
	result.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	selectAll(select);
	}
	});
	return result;
	}

	private void selectAll(boolean select) {
	for (final Map.Entry<EPackage, Button> next : packageToUpdateButton.entrySet()) {
	final EPackage ePackage = next.getKey();
	final Button checkbox = next.getValue();

	if (checkbox.getSelection() != select) {
	checkbox.setSelection(select);
	setTextEnablement(checkbox, ePackage);
	}
	}

	checkIfPageComplete();
	}

	private void setTextEnablement(final Button updateButton, final EPackage ePackage) {
	final boolean selected = updateButton.getSelection();
	final Text sourceText = packageToSourceText.get(ePackage);
	final Text targetText = packageToTargetText.get(ePackage);

	sourceText.setEnabled(selected);
	targetText.setEnabled(selected);

	// Can we pre-populate the target text?
	final String target = targetText.getText().trim();
	if (selected && target.isEmpty()) {
	final String source = sourceText.getText().trim();
	final String newTarget = URIUtils.incrementVersionSegment(source);
	if (!source.equals(newTarget)) {
	targetText.setText(newTarget);
	}
	}
	}

	private void checkIfPageComplete() {
	for (int i = 0; i < packages.size(); i++) {
	final EPackage ePackage = packages.get(i);

	final Button updateButton = packageToUpdateButton.get(ePackage);
	final Text sourceText = packageToSourceText.get(ePackage);
	final Text targetText = packageToTargetText.get(ePackage);

	if (!updateButton.getSelection()) {
	continue;
	}
	if (sourceText.getText().isEmpty()) {
	setErrorMessage("Package at index " + (i + 1) + ":\n Label to match may not be empty"); //$NON-NLS-1$ //$NON-NLS-2$
	setPageComplete(false);
	return;
	}
	if (targetText.getText().isEmpty()) {
	setErrorMessage("Package at index " + (i + 1) + ":\n Label to replace may not be empty"); //$NON-NLS-1$ //$NON-NLS-2$
	setPageComplete(false);
	return;
	}
	if (sourceText.getText().equals(targetText.getText())) {
	setErrorMessage("Package at index " + (i + 1) + ":\n Source and target label may not be equal"); //$NON-NLS-1$ //$NON-NLS-2$
	setPageComplete(false);
	return;
	}
	}

	setErrorMessage(null);
	setPageComplete(true);
	}

	/**
	* Returns source label.
	*
	* @param ePackage
	*/
	public String getSource(EPackage ePackage) {
	return packageToSourceText.get(ePackage).getText();
	}

	/**
	* Returns target label.
	*
	* @param ePackage
	*/
	public String getTarget(EPackage ePackage) {
	return packageToTargetText.get(ePackage).getText();
	}

	/** Returns update flag. */
	public boolean isUpdate(EPackage ePackage) {
	return packageToUpdateButton.get(ePackage).getSelection();
	}

	@Override
	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if (visible) {
	packageToTargetText.get(packages.get(0)).setFocus();
	}
	}

	/**
	* Allows to set the target text that is visible.
	*/
	public void setTarget(EPackage ePackage, String target) {
	packageToTargetText.get(ePackage).setText(target);
	checkIfPageComplete();
	}

	}