plugins/org.eclipse.ease.lang.scriptarchive.ui/src/org/eclipse/ease/lang/scriptarchive/ui/export/MainPage.java - ease/org.eclipse.ease.core - Git at Google

 /*******************************************************************************
  * Copyright (c) 2017 Christian Pontesegger 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:
  *     Christian Pontesegger - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ease.lang.scriptarchive.ui.export;

 import java.io.File;
 import java.util.ArrayList;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.IWizard;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 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.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
 import org.eclipse.ui.dialogs.ListDialog;
 import org.eclipse.ui.model.WorkbenchContentProvider;
 import org.eclipse.ui.model.WorkbenchLabelProvider;
 import org.eclipse.ui.views.navigator.ResourceComparator;

 public class MainPage extends WizardPage {

 	public static final String DIALOG_SETTINGS_LAST_LOCATIONS = "Last path";

 	private Text fTxtProject;
 	private Text fTxtScriptFile;
 	private final IStructuredSelection fSelection;
 	private IProject fSelectedProject;
 	private IFile fSelectedFile;
 	private Combo fCmbTargetLocation;
 	private File fTargetFile;

 	/**
 	 * Creates a new wizard page with the given name, title, and image.
 	 *
 	 * @param pageName
 	 *            the name of the page
 	 * @param title
 	 *            the title for this wizard page, or <code>null</code> if none
 	 * @param titleImage
 	 *            the image descriptor for the title of this wizard page, or <code>null</code> if none
 	 * @param selection
 	 */
 	protected MainPage(String pageName, String title, ImageDescriptor titleImage, IStructuredSelection selection) {
 		super(pageName, title, titleImage);
 		fSelection = selection;

 		setDescription("Create an executable script archive.");
 	}

 	@Override
 	public void createControl(Composite parent) {
 		final Composite container = new Composite(parent, SWT.NULL);
 		setControl(container);
 		container.setLayout(new GridLayout(3, false));

 		final Label lblProject = new Label(container, SWT.NONE);
 		lblProject.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 		lblProject.setText("Project:");

 		fTxtProject = new Text(container, SWT.BORDER);
 		fTxtProject.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

 		final Button btnBrowseProject = new Button(container, SWT.NONE);
 		btnBrowseProject.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {

 				final ListDialog dialog = new ListDialog(getShell());
 				dialog.setContentProvider(ArrayContentProvider.getInstance());
 				dialog.setLabelProvider(new WorkbenchLabelProvider());
 				dialog.setInput(getOpenProject());

 				dialog.setTitle("Project selection");
 				dialog.setMessage("Select project to export.");

 				if (dialog.open() == Window.OK) {
 					final IProject project = (IProject) dialog.getResult()[0];
 					fTxtProject.setText(project.getName());

 					validateData();
 				}
 			}
 		});
 		btnBrowseProject.setText("Browse...");

 		final Label lblStartScript = new Label(container, SWT.NONE);
 		lblStartScript.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 		lblStartScript.setText("Start Script:");

 		fTxtScriptFile = new Text(container, SWT.BORDER);
 		fTxtScriptFile.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

 		final Button btnBrowseScript = new Button(container, SWT.NONE);
 		btnBrowseScript.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				final ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(), new WorkbenchLabelProvider(),
 						new WorkbenchContentProvider());

 				final IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(fTxtProject.getText());

 				dialog.setInput(project.exists() ? project : ResourcesPlugin.getWorkspace().getRoot());
 				dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));

 				dialog.setTitle("Script selection");
 				dialog.setMessage("Select startup script.");

 				if (dialog.open() == Window.OK) {
 					final Object selectedFile = dialog.getFirstResult();
 					if (selectedFile instanceof IFile) {
 						fTxtProject.setText(((IFile) selectedFile).getProject().getName());
 						fTxtScriptFile.setText(((IFile) selectedFile).getFullPath().removeFirstSegments(1).toPortableString());

 						validateData();
 					}
 				}
 			}
 		});
 		btnBrowseScript.setText("Browse...");

 		final Label label = new Label(container, SWT.SEPARATOR | SWT.HORIZONTAL);
 		label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 3, 1));

 		final Label lblToArchiveFile = new Label(container, SWT.NONE);
 		lblToArchiveFile.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
 		lblToArchiveFile.setText("To archive file:");

 		fCmbTargetLocation = new Combo(container, SWT.NONE);
 		fCmbTargetLocation.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

 		final Button btnBrowseArchive = new Button(container, SWT.NONE);
 		btnBrowseArchive.addSelectionListener(new SelectionAdapter() {
 			@Override
 			public void widgetSelected(SelectionEvent e) {

 				final FileDialog dialog = new FileDialog(Display.getDefault().getActiveShell(), SWT.SAVE);
 				dialog.setText("Target location selection");

 				dialog.setFilterExtensions(new String[] { "*.sar;*.jar;*.zip", "*.*" });
 				dialog.setFilterNames(new String[] { "Script Archives", "All Files" });

 				final String targetLocation = dialog.open();
 				if (targetLocation != null) {
 					fCmbTargetLocation.setText(targetLocation);
 					validateData();
 				}
 			}
 		});
 		btnBrowseArchive.setText("Browse...");

 		setPageComplete(false);

 		// apply user selection
 		if (fSelection != null) {
 			final Object candidate = fSelection.getFirstElement();
 			if (candidate instanceof IResource) {
 				final IProject project = ((IResource) candidate).getProject();
 				if (project.isOpen()) {
 					fTxtProject.setText(project.getName());

 					// now look for a file resource
 					if (candidate instanceof IFile)
 						fTxtScriptFile.setText(((IResource) candidate).getFullPath().removeFirstSegments(1).toPortableString());
 				}
 			}
 		}

 		// restore previous locations
 		final String[] lastLocations = getDialogSettings().getArray(DIALOG_SETTINGS_LAST_LOCATIONS);
 		if (lastLocations != null) {
 			fCmbTargetLocation.setItems(lastLocations);
 			fCmbTargetLocation.setText(lastLocations[0]);
 		}

 		// validate to enable/disable finish button
 		validateData();
 		// do not display error messages right after opening the wizard
 		super.setErrorMessage(null);

 		// activate modify listeners
 		fTxtProject.addModifyListener((e) -> validateData());
 		fTxtScriptFile.addModifyListener((e) -> validateData());
 		fCmbTargetLocation.addModifyListener((e) -> validateData());
 	}

 	/**
 	 * Returns a list of open projects in the workspace.
 	 *
 	 * @return list of open projects
 	 */
 	private Object getOpenProject() {
 		final ArrayList<IProject> openProjects = new ArrayList<>();
 		for (final IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
 			if (project.isOpen())
 				openProjects.add(project);
 		}

 		return openProjects;
 	}

 	/**
 	 * Validate input data and set page completion status.
 	 */
 	private void validateData() {
 		final String projectName = fTxtProject.getText();
 		if (!projectName.isEmpty()) {

 			final IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
 			if (project.exists()) {

 				// validate file
 				final String fileName = fTxtScriptFile.getText();
 				if (!fileName.isEmpty()) {
 					final IFile file = project.getFile(new Path(fileName));
 					if (file.exists()) {

 						// validate target location
 						final String targetLocation = fCmbTargetLocation.getText();
 						if (!targetLocation.isEmpty()) {
 							final File targetFile = new File(targetLocation);
 							if (!targetFile.isDirectory()) {
 								// validation done
 								fSelectedProject = project;
 								fSelectedFile = file;
 								fTargetFile = targetFile;

 								setErrorMessage(null);

 							} else
 								setErrorMessage("Expot destionation must be a file, not a directory.");

 						} else
 							setErrorMessage("Please select an export location.");

 					} else
 						setErrorMessage("The file \"" + fileName + "\" does not exist.");

 				} else
 					setErrorMessage("Please select a script file to execute.");

 			} else
 				setErrorMessage("The project \"" + projectName + "\" does not exist.");

 		} else
 			setErrorMessage("Please select a project.");
 	}

 	@Override
 	public void setErrorMessage(String errorMessage) {
 		setPageComplete(errorMessage == null);

 		super.setErrorMessage(errorMessage);
 	}

 	public IFile getSelectedFile() {
 		return fSelectedFile;
 	}

 	public IProject getSelectedProject() {
 		return fSelectedProject;
 	}

 	public File getTargetFile() {
 		return fTargetFile;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.wizard.WizardPage#setWizard(org.eclipse.jface.wizard.IWizard)
 	 */
 	@Override
 	public void setWizard(IWizard newWizard) {
 		// TODO Auto-generated method stub
 		super.setWizard(newWizard);
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2017 Christian Pontesegger 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:
	* Christian Pontesegger - initial API and implementation
	*******************************************************************************/

	package org.eclipse.ease.lang.scriptarchive.ui.export;

	import java.io.File;
	import java.util.ArrayList;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.IWizard;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	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.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.FileDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
	import org.eclipse.ui.dialogs.ListDialog;
	import org.eclipse.ui.model.WorkbenchContentProvider;
	import org.eclipse.ui.model.WorkbenchLabelProvider;
	import org.eclipse.ui.views.navigator.ResourceComparator;

	public class MainPage extends WizardPage {

	public static final String DIALOG_SETTINGS_LAST_LOCATIONS = "Last path";

	private Text fTxtProject;
	private Text fTxtScriptFile;
	private final IStructuredSelection fSelection;
	private IProject fSelectedProject;
	private IFile fSelectedFile;
	private Combo fCmbTargetLocation;
	private File fTargetFile;

	/**
	* Creates a new wizard page with the given name, title, and image.
	*
	* @param pageName
	* the name of the page
	* @param title
	* the title for this wizard page, or <code>null</code> if none
	* @param titleImage
	* the image descriptor for the title of this wizard page, or <code>null</code> if none
	* @param selection
	*/
	protected MainPage(String pageName, String title, ImageDescriptor titleImage, IStructuredSelection selection) {
	super(pageName, title, titleImage);
	fSelection = selection;

	setDescription("Create an executable script archive.");
	}

	@Override
	public void createControl(Composite parent) {
	final Composite container = new Composite(parent, SWT.NULL);
	setControl(container);
	container.setLayout(new GridLayout(3, false));

	final Label lblProject = new Label(container, SWT.NONE);
	lblProject.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblProject.setText("Project:");

	fTxtProject = new Text(container, SWT.BORDER);
	fTxtProject.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

	final Button btnBrowseProject = new Button(container, SWT.NONE);
	btnBrowseProject.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {

	final ListDialog dialog = new ListDialog(getShell());
	dialog.setContentProvider(ArrayContentProvider.getInstance());
	dialog.setLabelProvider(new WorkbenchLabelProvider());
	dialog.setInput(getOpenProject());

	dialog.setTitle("Project selection");
	dialog.setMessage("Select project to export.");

	if (dialog.open() == Window.OK) {
	final IProject project = (IProject) dialog.getResult()[0];
	fTxtProject.setText(project.getName());

	validateData();
	}
	}
	});
	btnBrowseProject.setText("Browse...");

	final Label lblStartScript = new Label(container, SWT.NONE);
	lblStartScript.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblStartScript.setText("Start Script:");

	fTxtScriptFile = new Text(container, SWT.BORDER);
	fTxtScriptFile.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

	final Button btnBrowseScript = new Button(container, SWT.NONE);
	btnBrowseScript.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	final ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(getShell(), new WorkbenchLabelProvider(),
	new WorkbenchContentProvider());

	final IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(fTxtProject.getText());

	dialog.setInput(project.exists() ? project : ResourcesPlugin.getWorkspace().getRoot());
	dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));

	dialog.setTitle("Script selection");
	dialog.setMessage("Select startup script.");

	if (dialog.open() == Window.OK) {
	final Object selectedFile = dialog.getFirstResult();
	if (selectedFile instanceof IFile) {
	fTxtProject.setText(((IFile) selectedFile).getProject().getName());
	fTxtScriptFile.setText(((IFile) selectedFile).getFullPath().removeFirstSegments(1).toPortableString());

	validateData();
	}
	}
	}
	});
	btnBrowseScript.setText("Browse...");

	final Label label = new Label(container, SWT.SEPARATOR \| SWT.HORIZONTAL);
	label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 3, 1));

	final Label lblToArchiveFile = new Label(container, SWT.NONE);
	lblToArchiveFile.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false, 1, 1));
	lblToArchiveFile.setText("To archive file:");

	fCmbTargetLocation = new Combo(container, SWT.NONE);
	fCmbTargetLocation.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));

	final Button btnBrowseArchive = new Button(container, SWT.NONE);
	btnBrowseArchive.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {

	final FileDialog dialog = new FileDialog(Display.getDefault().getActiveShell(), SWT.SAVE);
	dialog.setText("Target location selection");

	dialog.setFilterExtensions(new String[] { ".sar;.jar;.zip", ".*" });
	dialog.setFilterNames(new String[] { "Script Archives", "All Files" });

	final String targetLocation = dialog.open();
	if (targetLocation != null) {
	fCmbTargetLocation.setText(targetLocation);
	validateData();
	}
	}
	});
	btnBrowseArchive.setText("Browse...");

	setPageComplete(false);

	// apply user selection
	if (fSelection != null) {
	final Object candidate = fSelection.getFirstElement();
	if (candidate instanceof IResource) {
	final IProject project = ((IResource) candidate).getProject();
	if (project.isOpen()) {
	fTxtProject.setText(project.getName());

	// now look for a file resource
	if (candidate instanceof IFile)
	fTxtScriptFile.setText(((IResource) candidate).getFullPath().removeFirstSegments(1).toPortableString());
	}
	}
	}

	// restore previous locations
	final String[] lastLocations = getDialogSettings().getArray(DIALOG_SETTINGS_LAST_LOCATIONS);
	if (lastLocations != null) {
	fCmbTargetLocation.setItems(lastLocations);
	fCmbTargetLocation.setText(lastLocations[0]);
	}

	// validate to enable/disable finish button
	validateData();
	// do not display error messages right after opening the wizard
	super.setErrorMessage(null);

	// activate modify listeners
	fTxtProject.addModifyListener((e) -> validateData());
	fTxtScriptFile.addModifyListener((e) -> validateData());
	fCmbTargetLocation.addModifyListener((e) -> validateData());
	}

	/**
	* Returns a list of open projects in the workspace.
	*
	* @return list of open projects
	*/
	private Object getOpenProject() {
	final ArrayList<IProject> openProjects = new ArrayList<>();
	for (final IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
	if (project.isOpen())
	openProjects.add(project);
	}

	return openProjects;
	}

	/**
	* Validate input data and set page completion status.
	*/
	private void validateData() {
	final String projectName = fTxtProject.getText();
	if (!projectName.isEmpty()) {

	final IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(projectName);
	if (project.exists()) {

	// validate file
	final String fileName = fTxtScriptFile.getText();
	if (!fileName.isEmpty()) {
	final IFile file = project.getFile(new Path(fileName));
	if (file.exists()) {

	// validate target location
	final String targetLocation = fCmbTargetLocation.getText();
	if (!targetLocation.isEmpty()) {
	final File targetFile = new File(targetLocation);
	if (!targetFile.isDirectory()) {
	// validation done
	fSelectedProject = project;
	fSelectedFile = file;
	fTargetFile = targetFile;

	setErrorMessage(null);

	} else
	setErrorMessage("Expot destionation must be a file, not a directory.");

	} else
	setErrorMessage("Please select an export location.");

	} else
	setErrorMessage("The file \"" + fileName + "\" does not exist.");

	} else
	setErrorMessage("Please select a script file to execute.");

	} else
	setErrorMessage("The project \"" + projectName + "\" does not exist.");

	} else
	setErrorMessage("Please select a project.");
	}

	@Override
	public void setErrorMessage(String errorMessage) {
	setPageComplete(errorMessage == null);

	super.setErrorMessage(errorMessage);
	}

	public IFile getSelectedFile() {
	return fSelectedFile;
	}

	public IProject getSelectedProject() {
	return fSelectedProject;
	}

	public File getTargetFile() {
	return fTargetFile;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.wizard.WizardPage#setWizard(org.eclipse.jface.wizard.IWizard)
	*/
	@Override
	public void setWizard(IWizard newWizard) {
	// TODO Auto-generated method stub
	super.setWizard(newWizard);
	}
	}