| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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 |
| ******************************************************************************/ |
| |
| package org.eclipse.ui.internal.quickaccess; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.graphics.TextLayout; |
| import org.eclipse.swt.graphics.TextStyle; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableItem; |
| |
| import org.eclipse.jface.resource.DeviceResourceException; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.ResourceManager; |
| |
| import org.eclipse.ui.internal.IWorkbenchGraphicConstants; |
| import org.eclipse.ui.internal.WorkbenchImages; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| |
| class QuickAccessEntry { |
| boolean firstInCategory; |
| boolean lastInCategory; |
| QuickAccessElement element; |
| QuickAccessProvider provider; |
| int[][] elementMatchRegions; |
| int[][] providerMatchRegions; |
| |
| QuickAccessEntry(QuickAccessElement element, QuickAccessProvider provider, |
| int[][] elementMatchRegions, int[][] providerMatchRegions) { |
| this.element = element; |
| this.provider = provider; |
| this.elementMatchRegions = elementMatchRegions; |
| this.providerMatchRegions = providerMatchRegions; |
| } |
| |
| Image getImage(QuickAccessElement element, ResourceManager resourceManager) { |
| Image image = findOrCreateImage(element.getImageDescriptor(), |
| resourceManager); |
| if (image == null) { |
| image = WorkbenchImages |
| .getImage(IWorkbenchGraphicConstants.IMG_OBJ_ELEMENT); |
| } |
| return image; |
| } |
| |
| private Image findOrCreateImage(ImageDescriptor imageDescriptor, |
| ResourceManager resourceManager) { |
| if (imageDescriptor == null) { |
| return null; |
| } |
| Image image = (Image) resourceManager.find(imageDescriptor); |
| if (image == null) { |
| try { |
| image = resourceManager.createImage(imageDescriptor); |
| } catch (DeviceResourceException e) { |
| WorkbenchPlugin.log(e); |
| } |
| } |
| return image; |
| } |
| |
| public void measure(Event event, TextLayout textLayout, |
| ResourceManager resourceManager, TextStyle boldStyle) { |
| Table table = ((TableItem) event.item).getParent(); |
| textLayout.setFont(table.getFont()); |
| event.width = 0; |
| switch (event.index) { |
| case 0: |
| if (firstInCategory || providerMatchRegions.length > 0) { |
| textLayout.setText(provider.getName()); |
| if (boldStyle != null) { |
| for (int i = 0; i < providerMatchRegions.length; i++) { |
| int[] matchRegion = providerMatchRegions[i]; |
| textLayout.setStyle(boldStyle, matchRegion[0], |
| matchRegion[1]); |
| } |
| } |
| } else { |
| textLayout.setText(""); //$NON-NLS-1$ |
| } |
| break; |
| case 1: |
| Image image = getImage(element, resourceManager); |
| Rectangle imageRect = image.getBounds(); |
| event.width += imageRect.width + 4; |
| event.height = Math.max(event.height, imageRect.height + 2); |
| textLayout.setText(element.getLabel()); |
| if (boldStyle != null) { |
| for (int i = 0; i < elementMatchRegions.length; i++) { |
| int[] matchRegion = elementMatchRegions[i]; |
| textLayout.setStyle(boldStyle, matchRegion[0], matchRegion[1]); |
| } |
| } |
| break; |
| } |
| Rectangle rect = textLayout.getBounds(); |
| event.width += rect.width + 4; |
| event.height = Math.max(event.height, rect.height + 2); |
| } |
| |
| public void paint(Event event, TextLayout textLayout, |
| ResourceManager resourceManager, TextStyle boldStyle, Color grayColor) { |
| final Table table = ((TableItem) event.item).getParent(); |
| textLayout.setFont(table.getFont()); |
| switch (event.index) { |
| case 0: |
| if (firstInCategory || providerMatchRegions.length > 0) { |
| textLayout.setText(provider.getName()); |
| if (boldStyle != null) { |
| for (int i = 0; i < providerMatchRegions.length; i++) { |
| int[] matchRegion = providerMatchRegions[i]; |
| textLayout.setStyle(boldStyle, matchRegion[0], |
| matchRegion[1]); |
| } |
| } |
| if (grayColor != null && providerMatchRegions.length > 0 && !firstInCategory) { |
| event.gc.setForeground(grayColor); |
| } |
| Rectangle availableBounds = ((TableItem) event.item).getTextBounds(event.index); |
| Rectangle requiredBounds = textLayout.getBounds(); |
| textLayout.draw(event.gc, availableBounds.x + 1, availableBounds.y |
| + (availableBounds.height - requiredBounds.height) / 2); |
| } |
| break; |
| case 1: |
| Image image = getImage(element, resourceManager); |
| event.gc.drawImage(image, event.x + 1, event.y + 1); |
| textLayout.setText(element.getLabel()); |
| if (boldStyle != null) { |
| for (int i = 0; i < elementMatchRegions.length; i++) { |
| int[] matchRegion = elementMatchRegions[i]; |
| textLayout.setStyle(boldStyle, matchRegion[0], matchRegion[1]); |
| } |
| } |
| Rectangle availableBounds = ((TableItem) event.item).getTextBounds(event.index); |
| Rectangle requiredBounds = textLayout.getBounds(); |
| textLayout.draw(event.gc, availableBounds.x + 1 + image.getBounds().width, availableBounds.y |
| + (availableBounds.height - requiredBounds.height) / 2); |
| break; |
| } |
| if (lastInCategory) { |
| if (grayColor != null) |
| event.gc.setForeground(grayColor); |
| Rectangle bounds = ((TableItem)event.item).getBounds(event.index); |
| event.gc.drawLine(Math.max(0, bounds.x - 1), bounds.y + bounds.height - 1, bounds.x + bounds.width, bounds.y |
| + bounds.height - 1); |
| } |
| } |
| |
| /** |
| * @param event |
| */ |
| public void erase(Event event) { |
| // We are only custom drawing the foreground. |
| event.detail &= ~SWT.FOREGROUND; |
| } |
| } |