| /******************************************************************************* |
| * Copyright (c) 2008 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| * Nikolay Botev - bug 240651 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.part; |
| |
| import org.eclipse.jface.resource.ColorRegistry; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.internal.IWorkbenchThemeConstants; |
| import org.eclipse.ui.internal.WorkbenchWindow; |
| import org.eclipse.ui.themes.ITheme; |
| |
| /** |
| * A MultiEditor is a composite of editors. |
| * |
| * This class is intended to be subclassed. |
| * |
| * @since 1.0 |
| */ |
| public abstract class MultiEditor extends AbstractMultiEditor { |
| |
| /** |
| * The colors used to draw the title bar of the inner editors |
| */ |
| public static class Gradient { |
| public Color fgColor; |
| |
| public Color[] bgColors; |
| |
| public int[] bgPercents; |
| } |
| |
| /** |
| * Updates the gradient in the title bar. |
| * @param editor |
| */ |
| public void updateGradient(IEditorPart editor) { |
| boolean activeEditor = editor == getSite().getPage().getActiveEditor(); |
| boolean activePart = editor == getSite().getPage().getActivePart(); |
| |
| ITheme theme = editor.getEditorSite().getWorkbenchWindow() |
| .getWorkbench().getThemeManager().getCurrentTheme(); |
| Gradient g = new Gradient(); |
| |
| ColorRegistry colorRegistry = theme.getColorRegistry(); |
| if (activePart) { |
| g.fgColor = colorRegistry |
| .get(IWorkbenchThemeConstants.ACTIVE_TAB_TEXT_COLOR); |
| g.bgColors = new Color[2]; |
| g.bgColors[0] = colorRegistry |
| .get(IWorkbenchThemeConstants.ACTIVE_TAB_BG_START); |
| g.bgColors[1] = colorRegistry |
| .get(IWorkbenchThemeConstants.ACTIVE_TAB_BG_END); |
| } else { |
| if (activeEditor) { |
| g.fgColor = colorRegistry |
| .get(IWorkbenchThemeConstants.ACTIVE_TAB_TEXT_COLOR); |
| g.bgColors = new Color[2]; |
| g.bgColors[0] = colorRegistry |
| .get(IWorkbenchThemeConstants.ACTIVE_TAB_BG_START); |
| g.bgColors[1] = colorRegistry |
| .get(IWorkbenchThemeConstants.ACTIVE_TAB_BG_END); |
| } else { |
| g.fgColor = colorRegistry |
| .get(IWorkbenchThemeConstants.INACTIVE_TAB_TEXT_COLOR); |
| g.bgColors = new Color[2]; |
| g.bgColors[0] = colorRegistry |
| .get(IWorkbenchThemeConstants.INACTIVE_TAB_BG_START); |
| g.bgColors[1] = colorRegistry |
| .get(IWorkbenchThemeConstants.INACTIVE_TAB_BG_END); |
| } |
| } |
| g.bgPercents = new int[] { theme |
| .getInt(IWorkbenchThemeConstants.ACTIVE_TAB_PERCENT) }; |
| |
| drawGradient(editor, g); |
| } |
| |
| /** |
| * Draw the gradient in the title bar. |
| */ |
| protected abstract void drawGradient(IEditorPart innerEditor, Gradient g); |
| |
| /** |
| * Create the control of the inner editor. |
| * |
| * Must be called by subclass. |
| */ |
| public Composite createInnerPartControl(Composite parent, |
| final IEditorPart e) { |
| Composite content = new Composite(parent, SWT.NONE); |
| content.setLayout(new FillLayout()); |
| e.createPartControl(content); |
| parent.addListener(SWT.Activate, new Listener() { |
| public void handleEvent(Event event) { |
| if (event.type == SWT.Activate) { |
| activateEditor(e); |
| } |
| } |
| }); |
| return content; |
| } |
| |
| /* |
| * @see IWorkbenchPart#setFocus() |
| */ |
| public void setFocus() { |
| super.setFocus(); |
| updateGradient(getActiveEditor()); |
| } |
| |
| /** |
| * Activates the given nested editor. |
| * |
| * @param part the nested editor |
| * @since 3.5 |
| */ |
| public void activateEditor(IEditorPart part) { |
| IEditorPart oldEditor = getActiveEditor(); |
| super.activateEditor(part); |
| updateGradient(oldEditor); |
| } |
| |
| /** |
| * Return true if the shell is activated. |
| */ |
| protected boolean getShellActivated() { |
| WorkbenchWindow window = (WorkbenchWindow) getSite().getPage() |
| .getWorkbenchWindow(); |
| return window.getShellActivated(); |
| } |
| |
| public Composite getInnerEditorContainer( |
| IEditorReference innerEditorReference) { |
| // This method is not used by MutliEditor |
| return null; |
| } |
| |
| protected void innerEditorsCreated() { |
| // Nothing to do |
| } |
| |
| } |