plugins/org.eclipse.graphiti.tools.newprojectwizard/src/org/eclipse/graphiti/tools/newprojectwizard/internal/SelectTypeOption.java - graphiti/org.eclipse.graphiti - Git at Google

 /**
  * <copyright>
  *
  * Copyright (c) 2012, 2012 SAP AG.
  * 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:
  *    SAP AG - initial API, implementation and documentation
  *
  * </copyright>
  */
 package org.eclipse.graphiti.tools.newprojectwizard.internal;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.jdt.core.ICompilationUnit;
 import org.eclipse.jdt.core.IType;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.search.SearchEngine;
 import org.eclipse.jdt.ui.IJavaElementSearchConstants;
 import org.eclipse.jdt.ui.JavaUI;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.pde.ui.templates.BaseOptionTemplateSection;
 import org.eclipse.pde.ui.templates.StringOption;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 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.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.dialogs.SelectionDialog;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleReference;

 /**
  * An option that realizes a group.
  */
 public class SelectTypeOption extends StringOption {

 	private GroupOption groupOption;

 	private Text text;
 	private Label labelControl;
 	private boolean ignoreListener;
 	private Button buttonControl;
 	private int fStyle;

 	private String bundleName = null;

 	private final static int F_DEFAULT_STYLE = SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY;

 	/**
 	 * The constructor.
 	 *
 	 * @param section
 	 *            the parent section
 	 * @param name
 	 *            the unique option name
 	 * @param label
 	 *            the translatable label of the option
 	 * @param groupOption
 	 */
 	public SelectTypeOption(BaseOptionTemplateSection section, String name, String label, GroupOption groupOption) {
 		super(section, name, label);
 		fStyle = F_DEFAULT_STYLE;
 		setRequired(true);
 		setEnabled(false);
 		this.groupOption = groupOption;
 	}

 	/**
 	 * A utility version of the <samp>getValue() </samp> method that converts
 	 * the current value into the String object.
 	 *
 	 * @return the string version of the current value.
 	 */
 	public String getText() {
 		if (getValue() != null)
 			return getValue().toString();
 		return null;
 	}

 	/**
 	 * A utility version of the <samp>setValue </samp> method that accepts
 	 * String objects.
 	 *
 	 * @param newText
 	 *            the new text value of the option
 	 * @see #setValue(Object)
 	 */
 	public void setText(String newText) {
 		setValue(newText);
 	}

 	/**
 	 * Implements the superclass method by passing the string value of the new
 	 * value to the widget
 	 *
 	 * @param value
 	 *            the new option value
 	 */
 	public void setValue(Object value) {
 		super.setValue(value);
 		if (text != null) {
 			ignoreListener = true;
 			String textValue = getText();
 			text.setText(textValue != null ? textValue : ""); //$NON-NLS-1$
 			ignoreListener = false;
 		}
 	}

 	/**
 	 * Creates the string option control.
 	 *
 	 * @param parent
 	 *            parent composite of the string option widget
 	 * @param span
 	 *            the number of columns that the widget should span
 	 */
 	public void createControl(Composite parent, int span) {
 		Composite composite = new Composite(groupOption.getGroup(), SWT.NONE);
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = span;
 		composite.setLayoutData(gd);
 		composite.setLayout(new GridLayout(3, false));

 		labelControl = createLabel(composite, 1);
 		labelControl.setEnabled(isEnabled());

 		text = new Text(composite, fStyle);
 		if (getValue() != null)
 			text.setText(getValue().toString());
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 1;
 		text.setLayoutData(gd);
 		text.setEnabled(isEnabled());
 		text.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				if (ignoreListener)
 					return;
 				SelectTypeOption.super.setValue(text.getText());
 				getSection().validateOptions(SelectTypeOption.this);
 			}
 		});

 		buttonControl = new Button(composite, SWT.PUSH);
 		buttonControl.setText(Messages.SelectTypeOption_BrowseButton);
 		buttonControl.addSelectionListener(new SelectionListener() {
 			public void widgetSelected(SelectionEvent e) {
 				Shell parent = Display.getCurrent().getActiveShell();
 				SelectionDialog dialog = null;
 				try {
 					dialog = JavaUI.createTypeDialog(parent, PlatformUI.getWorkbench().getProgressService(),
 							SearchEngine.createWorkspaceScope(),
 							IJavaElementSearchConstants.CONSIDER_CLASSES_AND_INTERFACES, false);
 				} catch (JavaModelException jme) {
 					MessageDialog.openError(parent, "Could not open type selection dialog", jme.getMessage()); //$NON-NLS-1$
 					return;
 				}

 				dialog.setTitle(Messages.SelectTypeOption_TitleSelectDomainObject);
 				dialog.setMessage(Messages.SelectTypeOption_DescriptionSelectDomainObject);

 				if (dialog.open() == Dialog.OK) {
 					Object[] result = dialog.getResult();
 					if (result != null && result.length > 0 && result[0] instanceof IType) {
 						IType type = (IType) result[0];

 						Bundle containingBundle = null;

 						// Search for the first bundle that can resolve the
 						// desired class
 						Bundle[] bundles = Activator.getDefault().getBundle().getBundleContext().getBundles();
 						for (Bundle bundle : bundles) {
 							try {
 								Class<?> loadClass = bundle.loadClass(type.getFullyQualifiedName());

 								// Use the class loader of the class to identify
 								// the containing bundle
 								ClassLoader classLoader = loadClass.getClassLoader();
 								if (classLoader instanceof BundleReference) {
 									containingBundle = ((BundleReference) classLoader).getBundle();
 									setBundleName(containingBundle.getSymbolicName());
 									text.setText(type.getFullyQualifiedName());
 									return;
 								}
 							} catch (ClassNotFoundException cnfe) {
 								// Simply ignore
 							}
 						}

 						// Search for a Java source file in the workspace
 						ICompilationUnit compilationUnit = type.getCompilationUnit();
 						if (compilationUnit != null) {
 							IResource resource = null;
 							try {
 								resource = compilationUnit.getCorrespondingResource();
 							} catch (JavaModelException e1) {
 								// Simply ignore
 							}
 							if (resource != null && resource.exists()) {
 								IProject project = resource.getProject();
 								if (project != null && project.exists()) {
 									// Use project name as bundle name (should
 									// fit in most cases
 									setBundleName(project.getName());
 									text.setText(type.getFullyQualifiedName());
 									return;
 								}
 							}
 						}

 						text.setText(type.getFullyQualifiedName());

 						// Nothing found
 						MessageDialog
 								.openError(parent,
 										"No Bundle found", //$NON-NLS-1$
 										"The class '" + type.getFullyQualifiedName() //$NON-NLS-1$
 												+ "' could not be resolved within an installed plugin or as a Java source file in the workspace."); //$NON-NLS-1$
 						return;
 					}
 				}
 			}

 			public void widgetDefaultSelected(SelectionEvent e) {
 				widgetSelected(e);
 			}
 		});
 		buttonControl.setEnabled(isEnabled());
 	}

 	/**
 	 * A string option is empty if its text field contains no text.
 	 *
 	 * @return true if there is no text in the text field.
 	 */
 	public boolean isEmpty() {
 		return getValue() == null || getValue().toString().length() == 0;
 	}

 	/**
 	 * Implements the superclass method by passing the enabled state to the
 	 * option's widget.
 	 *
 	 * @param enabled
 	 */
 	public void setEnabled(boolean enabled) {
 		super.setEnabled(enabled);
 		if (labelControl != null) {
 			labelControl.setEnabled(enabled);
 			text.setEnabled(enabled);
 			buttonControl.setEnabled(enabled);
 		}
 	}

 	public String getBundleName() {
 		return bundleName;
 	}

 	public void setBundleName(String bundleName) {
 		this.bundleName = bundleName;
 	}
 }
	/**
	* <copyright>
	*
	* Copyright (c) 2012, 2012 SAP AG.
	* 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:
	* SAP AG - initial API, implementation and documentation
	*
	* </copyright>
	*/
	package org.eclipse.graphiti.tools.newprojectwizard.internal;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.jdt.core.ICompilationUnit;
	import org.eclipse.jdt.core.IType;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jdt.core.search.SearchEngine;
	import org.eclipse.jdt.ui.IJavaElementSearchConstants;
	import org.eclipse.jdt.ui.JavaUI;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.pde.ui.templates.BaseOptionTemplateSection;
	import org.eclipse.pde.ui.templates.StringOption;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	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.Display;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.dialogs.SelectionDialog;
	import org.osgi.framework.Bundle;
	import org.osgi.framework.BundleReference;

	/**
	* An option that realizes a group.
	*/
	public class SelectTypeOption extends StringOption {

	private GroupOption groupOption;

	private Text text;
	private Label labelControl;
	private boolean ignoreListener;
	private Button buttonControl;
	private int fStyle;

	private String bundleName = null;

	private final static int F_DEFAULT_STYLE = SWT.SINGLE \| SWT.BORDER \| SWT.READ_ONLY;

	/**
	* The constructor.
	*
	* @param section
	* the parent section
	* @param name
	* the unique option name
	* @param label
	* the translatable label of the option
	* @param groupOption
	*/
	public SelectTypeOption(BaseOptionTemplateSection section, String name, String label, GroupOption groupOption) {
	super(section, name, label);
	fStyle = F_DEFAULT_STYLE;
	setRequired(true);
	setEnabled(false);
	this.groupOption = groupOption;
	}

	/**
	* A utility version of the <samp>getValue() </samp> method that converts
	* the current value into the String object.
	*
	* @return the string version of the current value.
	*/
	public String getText() {
	if (getValue() != null)
	return getValue().toString();
	return null;
	}

	/**
	* A utility version of the <samp>setValue </samp> method that accepts
	* String objects.
	*
	* @param newText
	* the new text value of the option
	* @see #setValue(Object)
	*/
	public void setText(String newText) {
	setValue(newText);
	}

	/**
	* Implements the superclass method by passing the string value of the new
	* value to the widget
	*
	* @param value
	* the new option value
	*/
	public void setValue(Object value) {
	super.setValue(value);
	if (text != null) {
	ignoreListener = true;
	String textValue = getText();
	text.setText(textValue != null ? textValue : ""); //$NON-NLS-1$
	ignoreListener = false;
	}
	}

	/**
	* Creates the string option control.
	*
	* @param parent
	* parent composite of the string option widget
	* @param span
	* the number of columns that the widget should span
	*/
	public void createControl(Composite parent, int span) {
	Composite composite = new Composite(groupOption.getGroup(), SWT.NONE);
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = span;
	composite.setLayoutData(gd);
	composite.setLayout(new GridLayout(3, false));

	labelControl = createLabel(composite, 1);
	labelControl.setEnabled(isEnabled());

	text = new Text(composite, fStyle);
	if (getValue() != null)
	text.setText(getValue().toString());
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 1;
	text.setLayoutData(gd);
	text.setEnabled(isEnabled());
	text.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	if (ignoreListener)
	return;
	SelectTypeOption.super.setValue(text.getText());
	getSection().validateOptions(SelectTypeOption.this);
	}
	});

	buttonControl = new Button(composite, SWT.PUSH);
	buttonControl.setText(Messages.SelectTypeOption_BrowseButton);
	buttonControl.addSelectionListener(new SelectionListener() {
	public void widgetSelected(SelectionEvent e) {
	Shell parent = Display.getCurrent().getActiveShell();
	SelectionDialog dialog = null;
	try {
	dialog = JavaUI.createTypeDialog(parent, PlatformUI.getWorkbench().getProgressService(),
	SearchEngine.createWorkspaceScope(),
	IJavaElementSearchConstants.CONSIDER_CLASSES_AND_INTERFACES, false);
	} catch (JavaModelException jme) {
	MessageDialog.openError(parent, "Could not open type selection dialog", jme.getMessage()); //$NON-NLS-1$
	return;
	}

	dialog.setTitle(Messages.SelectTypeOption_TitleSelectDomainObject);
	dialog.setMessage(Messages.SelectTypeOption_DescriptionSelectDomainObject);

	if (dialog.open() == Dialog.OK) {
	Object[] result = dialog.getResult();
	if (result != null && result.length > 0 && result[0] instanceof IType) {
	IType type = (IType) result[0];

	Bundle containingBundle = null;

	// Search for the first bundle that can resolve the
	// desired class
	Bundle[] bundles = Activator.getDefault().getBundle().getBundleContext().getBundles();
	for (Bundle bundle : bundles) {
	try {
	Class<?> loadClass = bundle.loadClass(type.getFullyQualifiedName());

	// Use the class loader of the class to identify
	// the containing bundle
	ClassLoader classLoader = loadClass.getClassLoader();
	if (classLoader instanceof BundleReference) {
	containingBundle = ((BundleReference) classLoader).getBundle();
	setBundleName(containingBundle.getSymbolicName());
	text.setText(type.getFullyQualifiedName());
	return;
	}
	} catch (ClassNotFoundException cnfe) {
	// Simply ignore
	}
	}

	// Search for a Java source file in the workspace
	ICompilationUnit compilationUnit = type.getCompilationUnit();
	if (compilationUnit != null) {
	IResource resource = null;
	try {
	resource = compilationUnit.getCorrespondingResource();
	} catch (JavaModelException e1) {
	// Simply ignore
	}
	if (resource != null && resource.exists()) {
	IProject project = resource.getProject();
	if (project != null && project.exists()) {
	// Use project name as bundle name (should
	// fit in most cases
	setBundleName(project.getName());
	text.setText(type.getFullyQualifiedName());
	return;
	}
	}
	}

	text.setText(type.getFullyQualifiedName());

	// Nothing found
	MessageDialog
	.openError(parent,
	"No Bundle found", //$NON-NLS-1$
	"The class '" + type.getFullyQualifiedName() //$NON-NLS-1$
	+ "' could not be resolved within an installed plugin or as a Java source file in the workspace."); //$NON-NLS-1$
	return;
	}
	}
	}

	public void widgetDefaultSelected(SelectionEvent e) {
	widgetSelected(e);
	}
	});
	buttonControl.setEnabled(isEnabled());
	}

	/**
	* A string option is empty if its text field contains no text.
	*
	* @return true if there is no text in the text field.
	*/
	public boolean isEmpty() {
	return getValue() == null \|\| getValue().toString().length() == 0;
	}

	/**
	* Implements the superclass method by passing the enabled state to the
	* option's widget.
	*
	* @param enabled
	*/
	public void setEnabled(boolean enabled) {
	super.setEnabled(enabled);
	if (labelControl != null) {
	labelControl.setEnabled(enabled);
	text.setEnabled(enabled);
	buttonControl.setEnabled(enabled);
	}
	}

	public String getBundleName() {
	return bundleName;
	}

	public void setBundleName(String bundleName) {
	this.bundleName = bundleName;
	}
	}