| /******************************************************************************* |
| * Copyright (c) 2016 ALL4TEC & CEA LIST. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * ALL4TEC & CEA LIST - initial API and implementation |
| ******************************************************************************/ |
| package org.polarsys.esf.core.common.ui.widget; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.emf.common.ui.URIEditorInput; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IEditorInput; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IFileEditorInput; |
| import org.eclipse.ui.IPartListener; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.ide.IDE.SharedImages; |
| import org.eclipse.ui.menus.WorkbenchWindowControlContribution; |
| import org.polarsys.esf.core.common.ui.CommonUIActivator; |
| |
| /** |
| * Control contribution used to display the current active project |
| * according to the active editor. |
| * |
| * This is made to ease user work, by displaying directly on which project he is working. |
| * |
| * @author $Author: jdumont $ |
| * @version $Revision: 83 $ |
| */ |
| public class ActiveProjectControlContribution |
| extends WorkbenchWindowControlContribution |
| implements IPartListener { |
| |
| /** The default label for the active project name. */ |
| private static final String DEFAULT_PROJECT_NAME = CommonUIActivator.getMessages().getString( |
| "ActiveProjectControlContribution.default.projectname"); //$NON-NLS-1$ |
| |
| /** The composite containing all the widgets used to display the active project name. */ |
| private ActiveProjectComposite mActiveProjectComposite = null; |
| |
| /** The last editor activated and used to get the active project name. */ |
| private IEditorPart mActiveEditorPart = null; |
| |
| /** |
| * Default constructor. |
| */ |
| public ActiveProjectControlContribution() { |
| // Register this new instance as part listener |
| PlatformUI.getWorkbench().getActiveWorkbenchWindow().getPartService().addPartListener(this); |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * When the control contribution is disposed, removed it from the part listeners. |
| */ |
| @Override |
| public void dispose() { |
| // Unregister the instance from the part listeners |
| IWorkbenchWindow vWorkbenchWindow = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| if (vWorkbenchWindow != null) { |
| vWorkbenchWindow.getPartService().removePartListener(this); |
| } |
| |
| // Call the parent method |
| super.dispose(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected Control createControl(final Composite pParent) { |
| // Create a new composite containing all the widgets to display for the active project |
| mActiveProjectComposite = new ActiveProjectComposite(pParent); |
| |
| return mActiveProjectComposite; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void partActivated(final IWorkbenchPart pPart) { |
| // Ensure that the activated part is an editor |
| if (pPart instanceof IEditorPart) { |
| |
| // Remember of the active editor |
| mActiveEditorPart = (IEditorPart) pPart; |
| |
| // Get the editor input |
| IEditorInput vEditorInput = mActiveEditorPart.getEditorInput(); |
| |
| // Check the type of the editor input to find the file used as input |
| IFile vFileInput = null; |
| if (vEditorInput instanceof IFileEditorInput) { |
| // For a file editor input, get directly the file object |
| vFileInput = ((IFileEditorInput) vEditorInput).getFile(); |
| |
| } else if (vEditorInput instanceof URIEditorInput) { |
| // For an URI editor input, get the file object by looking for in |
| // the workspace content, the file which corresponds to the given URI |
| |
| // ... Build the file path from the URI |
| IPath vFilePath = new Path(((URIEditorInput) vEditorInput).getURI().toPlatformString(true)); |
| |
| // ... Try to find the file from the build path, in the workspace content |
| vFileInput = ResourcesPlugin.getWorkspace().getRoot().getFile(vFilePath); |
| } |
| |
| // Finally, if the input file is found, try to get its parent project name |
| // to update the controls value |
| if (vFileInput != null && vFileInput.getProject() != null) { |
| mActiveProjectComposite.updateActiveProjectControls(vFileInput.getProject().getName()); |
| } |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| * |
| * Treat this event as a part activation. |
| * Otherwise, nothing is done by default. |
| */ |
| @Override |
| public void partBroughtToTop(final IWorkbenchPart pPart) { |
| partActivated(pPart); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void partClosed(final IWorkbenchPart pPart) { |
| // If the last active editor used is the one which is closed, |
| // then reset the controls content to the default value |
| if (pPart.equals(mActiveEditorPart)) { |
| mActiveProjectComposite.updateActiveProjectControls(null); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void partDeactivated(final IWorkbenchPart pPart) { |
| // Nothing to do |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void partOpened(final IWorkbenchPart pPart) { |
| // Nothing to do |
| } |
| |
| /** |
| * Composite which contains all the widgets used to display the current project. |
| */ |
| private class ActiveProjectComposite |
| extends Composite { |
| |
| /** The preferred width for the composite. */ |
| private static final int CONTROL_WIDTH = 250; |
| |
| /** The preferred height for the composite. */ |
| private static final int CONTROL_HEIGHT = 17; |
| |
| /** The text used to display the active project name. */ |
| private Text mActiveProjectNameText = null; |
| |
| /** The introduction label. */ |
| private Label mActiveProjectNameLabel = null; |
| |
| /** The opened project image. */ |
| private final Image mOpenedProjectImage = PlatformUI.getWorkbench().getSharedImages() |
| .getImage(SharedImages.IMG_OBJ_PROJECT); |
| |
| /** The closed project image. */ |
| private final Image mClosedProjectImage = PlatformUI.getWorkbench().getSharedImages() |
| .getImage(SharedImages.IMG_OBJ_PROJECT_CLOSED); |
| |
| /** |
| * Default constructor. |
| * |
| * @param pParent The parent composite |
| */ |
| ActiveProjectComposite(final Composite pParent) { |
| // Call the parent method |
| super(pParent, SWT.FLAT); |
| |
| // Create all the content of the composite |
| createContent(pParent); |
| } |
| |
| /** |
| * Create all the widget to include in this composite instance. |
| * |
| * @param pParent The parent composite |
| */ |
| private void createContent(final Composite pParent) { |
| // Prepare and set this instance layout and layout data |
| final GridLayout vLayout = new GridLayout(); |
| vLayout.marginHeight = 0; |
| vLayout.marginWidth = 1; |
| setLayout(vLayout); |
| setFont(pParent.getFont()); |
| |
| // Create a child composite and set its layout and display properties |
| final Composite vChildComposite = new Composite(this, SWT.BORDER); |
| vChildComposite.setBackground(getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND)); |
| final GridLayout vChildLayout = new GridLayout(3, false); |
| vChildLayout.marginHeight = 0; |
| vChildLayout.marginWidth = 0; |
| vChildComposite.setLayout(vChildLayout); |
| GridData vGridData = new GridData(SWT.FILL, SWT.BEGINNING, true, false); |
| vGridData.widthHint = CONTROL_WIDTH; |
| vChildComposite.setLayoutData(vGridData); |
| vChildComposite.setFont(pParent.getFont()); |
| |
| // Create the widgets needed |
| createActiveProjectLabel(vChildComposite); |
| createActiveProjectText(vChildComposite); |
| |
| // Update the text and label values with the default text and image |
| updateActiveProjectControls(null); |
| } |
| |
| /** |
| * Create the active project text. |
| * |
| * @param pParent The parent composite |
| */ |
| private void createActiveProjectText(final Composite pParent) { |
| // Create the text and set its layout |
| mActiveProjectNameText = new Text(pParent, SWT.SINGLE | SWT.READ_ONLY); |
| GridData vGridData = new GridData(SWT.FILL, SWT.CENTER, true, false); |
| vGridData.heightHint = CONTROL_HEIGHT; |
| mActiveProjectNameText.setLayoutData(vGridData); |
| |
| // Set the text background |
| mActiveProjectNameText.setBackground(pParent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND)); |
| } |
| |
| /** |
| * Create the active project label. |
| * |
| * @param pParent The parent composite |
| */ |
| private void createActiveProjectLabel(final Composite pParent) { |
| // Create the label and set its layout |
| mActiveProjectNameLabel = new Label(pParent, SWT.NONE); |
| mActiveProjectNameLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false, 0, 0)); |
| |
| // Set the label background |
| mActiveProjectNameLabel.setBackground(pParent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND)); |
| } |
| |
| /** |
| * Update the active project text message, and the displayed image, |
| * according to the given project name. |
| * |
| * If the given value is <code>null</code> or empty, set the default text |
| * and image. |
| * |
| * @param pProjectName The new project name to display |
| */ |
| private void updateActiveProjectControls(final String pProjectName) { |
| |
| // Check if the given project name is valid |
| if (StringUtils.isNotEmpty(pProjectName)) { |
| |
| // Update the text value and the label image |
| if (mActiveProjectNameText != null) { |
| mActiveProjectNameText.setText(pProjectName); |
| } |
| if (mActiveProjectNameLabel != null) { |
| mActiveProjectNameLabel.setImage(mOpenedProjectImage); |
| } |
| |
| } else { |
| // The given project name is not valid, set the default values |
| // for the text value and the label image |
| if (mActiveProjectNameText != null) { |
| mActiveProjectNameText.setText(DEFAULT_PROJECT_NAME); |
| } |
| if (mActiveProjectNameLabel != null) { |
| mActiveProjectNameLabel.setImage(mClosedProjectImage); |
| } |
| |
| } |
| } |
| } |
| } |