();
+
+ public TxPropertiesLabelProvider() {
+ super();
+ }
+
+ @Override
+ public void dispose() {
+ }
+
+ @Override
+ public void addListener(ILabelProviderListener listener) {
+ listeners.add(listener);
+ }
+
+ @Override
+ public void removeListener(ILabelProviderListener listener) {
+ listeners.remove(listener);
+ }
+
+ @Override
+ public boolean isLabelProperty(Object element, String property) {
+ return false;
+ }
+
+ @Override
+ public Image getColumnImage(Object element, int columnIndex) {
+ return null;
+ }
+
+ @Override
+ public String getColumnText(Object element, int columnIndex) {
+ ITxAttribute attribute = (ITxAttribute) element;
+ String text = "";
+ switch (columnIndex) {
+ case TransactionDetails.COLUMN_FIRST:
+ text = attribute.getName();
+ break;
+ case TransactionDetails.COLUMN_SECOND:
+ text = attribute.getValue().toString();
+ break;
+ }
+ return text;
+ }
+
+}
+
+
diff --git a/com.minres.scviewer.e4.application/src/org/eclipse/wb/swt/ResourceManager.java b/com.minres.scviewer.e4.application/src/org/eclipse/wb/swt/ResourceManager.java
new file mode 100644
index 0000000..4bfbc6b
--- /dev/null
+++ b/com.minres.scviewer.e4.application/src/org/eclipse/wb/swt/ResourceManager.java
@@ -0,0 +1,415 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Google, Inc.
+ * 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:
+ * Google, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.wb.swt;
+
+import java.io.File;
+import java.io.InputStream;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.jface.resource.CompositeImageDescriptor;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.osgi.framework.Bundle;
+
+/**
+ * Utility class for managing OS resources associated with SWT/JFace controls such as colors, fonts, images,
+ * etc.
+ *
+ * !!! IMPORTANT !!! Application code must explicitly invoke the dispose() method to release the
+ * operating system resources managed by cached objects when those objects and OS resources are no longer
+ * needed (e.g. on application shutdown)
+ *
+ * This class may be freely distributed as part of any application or plugin.
+ *
+ *
+ * @author scheglov_ke
+ * @author Dan Rubel
+ */
+public class ResourceManager extends SWTResourceManager {
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // Image
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ private static Map m_descriptorImageMap = new HashMap();
+ /**
+ * Returns an {@link ImageDescriptor} stored in the file at the specified path relative to the specified
+ * class.
+ *
+ * @param clazz
+ * the {@link Class} relative to which to find the image descriptor.
+ * @param path
+ * the path to the image file.
+ * @return the {@link ImageDescriptor} stored in the file at the specified path.
+ */
+ public static ImageDescriptor getImageDescriptor(Class clazz, String path) {
+ return ImageDescriptor.createFromFile(clazz, path);
+ }
+ /**
+ * Returns an {@link ImageDescriptor} stored in the file at the specified path.
+ *
+ * @param path
+ * the path to the image file.
+ * @return the {@link ImageDescriptor} stored in the file at the specified path.
+ */
+ public static ImageDescriptor getImageDescriptor(String path) {
+ try {
+ return ImageDescriptor.createFromURL(new File(path).toURI().toURL());
+ } catch (MalformedURLException e) {
+ return null;
+ }
+ }
+ /**
+ * Returns an {@link Image} based on the specified {@link ImageDescriptor}.
+ *
+ * @param descriptor
+ * the {@link ImageDescriptor} for the {@link Image}.
+ * @return the {@link Image} based on the specified {@link ImageDescriptor}.
+ */
+ public static Image getImage(ImageDescriptor descriptor) {
+ if (descriptor == null) {
+ return null;
+ }
+ Image image = m_descriptorImageMap.get(descriptor);
+ if (image == null) {
+ image = descriptor.createImage();
+ m_descriptorImageMap.put(descriptor, image);
+ }
+ return image;
+ }
+ /**
+ * Maps images to decorated images.
+ */
+ @SuppressWarnings("unchecked")
+ private static Map>[] m_decoratedImageMap = new Map[LAST_CORNER_KEY];
+ /**
+ * Returns an {@link Image} composed of a base image decorated by another image.
+ *
+ * @param baseImage
+ * the base {@link Image} that should be decorated.
+ * @param decorator
+ * the {@link Image} to decorate the base image.
+ * @return {@link Image} The resulting decorated image.
+ */
+ public static Image decorateImage(Image baseImage, Image decorator) {
+ return decorateImage(baseImage, decorator, BOTTOM_RIGHT);
+ }
+ /**
+ * Returns an {@link Image} composed of a base image decorated by another image.
+ *
+ * @param baseImage
+ * the base {@link Image} that should be decorated.
+ * @param decorator
+ * the {@link Image} to decorate the base image.
+ * @param corner
+ * the corner to place decorator image.
+ * @return the resulting decorated {@link Image}.
+ */
+ public static Image decorateImage(final Image baseImage, final Image decorator, final int corner) {
+ if (corner <= 0 || corner >= LAST_CORNER_KEY) {
+ throw new IllegalArgumentException("Wrong decorate corner");
+ }
+ Map> cornerDecoratedImageMap = m_decoratedImageMap[corner];
+ if (cornerDecoratedImageMap == null) {
+ cornerDecoratedImageMap = new HashMap>();
+ m_decoratedImageMap[corner] = cornerDecoratedImageMap;
+ }
+ Map decoratedMap = cornerDecoratedImageMap.get(baseImage);
+ if (decoratedMap == null) {
+ decoratedMap = new HashMap();
+ cornerDecoratedImageMap.put(baseImage, decoratedMap);
+ }
+ //
+ Image result = decoratedMap.get(decorator);
+ if (result == null) {
+ final Rectangle bib = baseImage.getBounds();
+ final Rectangle dib = decorator.getBounds();
+ final Point baseImageSize = new Point(bib.width, bib.height);
+ CompositeImageDescriptor compositImageDesc = new CompositeImageDescriptor() {
+ @Override
+ protected void drawCompositeImage(int width, int height) {
+ drawImage(baseImage.getImageData(), 0, 0);
+ if (corner == TOP_LEFT) {
+ drawImage(decorator.getImageData(), 0, 0);
+ } else if (corner == TOP_RIGHT) {
+ drawImage(decorator.getImageData(), bib.width - dib.width, 0);
+ } else if (corner == BOTTOM_LEFT) {
+ drawImage(decorator.getImageData(), 0, bib.height - dib.height);
+ } else if (corner == BOTTOM_RIGHT) {
+ drawImage(decorator.getImageData(), bib.width - dib.width, bib.height - dib.height);
+ }
+ }
+ @Override
+ protected Point getSize() {
+ return baseImageSize;
+ }
+ };
+ //
+ result = compositImageDesc.createImage();
+ decoratedMap.put(decorator, result);
+ }
+ return result;
+ }
+ /**
+ * Dispose all of the cached images.
+ */
+ public static void disposeImages() {
+ SWTResourceManager.disposeImages();
+ // dispose ImageDescriptor images
+ {
+ for (Iterator I = m_descriptorImageMap.values().iterator(); I.hasNext();) {
+ I.next().dispose();
+ }
+ m_descriptorImageMap.clear();
+ }
+ // dispose decorated images
+ for (int i = 0; i < m_decoratedImageMap.length; i++) {
+ Map> cornerDecoratedImageMap = m_decoratedImageMap[i];
+ if (cornerDecoratedImageMap != null) {
+ for (Map decoratedMap : cornerDecoratedImageMap.values()) {
+ for (Image image : decoratedMap.values()) {
+ image.dispose();
+ }
+ decoratedMap.clear();
+ }
+ cornerDecoratedImageMap.clear();
+ }
+ }
+ // dispose plugin images
+ {
+ for (Iterator I = m_URLImageMap.values().iterator(); I.hasNext();) {
+ I.next().dispose();
+ }
+ m_URLImageMap.clear();
+ }
+ }
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // Plugin images support
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ /**
+ * Maps URL to images.
+ */
+ private static Map m_URLImageMap = new HashMap();
+ /**
+ * Provider for plugin resources, used by WindowBuilder at design time.
+ */
+ public interface PluginResourceProvider {
+ URL getEntry(String symbolicName, String path);
+ }
+ /**
+ * Instance of {@link PluginResourceProvider}, used by WindowBuilder at design time.
+ */
+ private static PluginResourceProvider m_designTimePluginResourceProvider = null;
+ /**
+ * Returns an {@link Image} based on a plugin and file path.
+ *
+ * @param plugin
+ * the plugin {@link Object} containing the image
+ * @param name
+ * the path to the image within the plugin
+ * @return the {@link Image} stored in the file at the specified path
+ *
+ * @deprecated Use {@link #getPluginImage(String, String)} instead.
+ */
+ @Deprecated
+ public static Image getPluginImage(Object plugin, String name) {
+ try {
+ URL url = getPluginImageURL(plugin, name);
+ if (url != null) {
+ return getPluginImageFromUrl(url);
+ }
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ return null;
+ }
+ /**
+ * Returns an {@link Image} based on a {@link Bundle} and resource entry path.
+ *
+ * @param symbolicName
+ * the symbolic name of the {@link Bundle}.
+ * @param path
+ * the path of the resource entry.
+ * @return the {@link Image} stored in the file at the specified path.
+ */
+ public static Image getPluginImage(String symbolicName, String path) {
+ try {
+ URL url = getPluginImageURL(symbolicName, path);
+ if (url != null) {
+ return getPluginImageFromUrl(url);
+ }
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ return null;
+ }
+ /**
+ * Returns an {@link Image} based on given {@link URL}.
+ */
+ private static Image getPluginImageFromUrl(URL url) {
+ try {
+ try {
+ String key = url.toExternalForm();
+ Image image = m_URLImageMap.get(key);
+ if (image == null) {
+ InputStream stream = url.openStream();
+ try {
+ image = getImage(stream);
+ m_URLImageMap.put(key, image);
+ } finally {
+ stream.close();
+ }
+ }
+ return image;
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ return null;
+ }
+ /**
+ * Returns an {@link ImageDescriptor} based on a plugin and file path.
+ *
+ * @param plugin
+ * the plugin {@link Object} containing the image.
+ * @param name
+ * the path to th eimage within the plugin.
+ * @return the {@link ImageDescriptor} stored in the file at the specified path.
+ *
+ * @deprecated Use {@link #getPluginImageDescriptor(String, String)} instead.
+ */
+ @Deprecated
+ public static ImageDescriptor getPluginImageDescriptor(Object plugin, String name) {
+ try {
+ try {
+ URL url = getPluginImageURL(plugin, name);
+ return ImageDescriptor.createFromURL(url);
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ return null;
+ }
+ /**
+ * Returns an {@link ImageDescriptor} based on a {@link Bundle} and resource entry path.
+ *
+ * @param symbolicName
+ * the symbolic name of the {@link Bundle}.
+ * @param path
+ * the path of the resource entry.
+ * @return the {@link ImageDescriptor} based on a {@link Bundle} and resource entry path.
+ */
+ public static ImageDescriptor getPluginImageDescriptor(String symbolicName, String path) {
+ try {
+ URL url = getPluginImageURL(symbolicName, path);
+ if (url != null) {
+ return ImageDescriptor.createFromURL(url);
+ }
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ return null;
+ }
+ /**
+ * Returns an {@link URL} based on a {@link Bundle} and resource entry path.
+ */
+ private static URL getPluginImageURL(String symbolicName, String path) {
+ // try runtime plugins
+ {
+ Bundle bundle = Platform.getBundle(symbolicName);
+ if (bundle != null) {
+ return bundle.getEntry(path);
+ }
+ }
+ // try design time provider
+ if (m_designTimePluginResourceProvider != null) {
+ return m_designTimePluginResourceProvider.getEntry(symbolicName, path);
+ }
+ // no such resource
+ return null;
+ }
+ /**
+ * Returns an {@link URL} based on a plugin and file path.
+ *
+ * @param plugin
+ * the plugin {@link Object} containing the file path.
+ * @param name
+ * the file path.
+ * @return the {@link URL} representing the file at the specified path.
+ * @throws Exception
+ */
+ private static URL getPluginImageURL(Object plugin, String name) throws Exception {
+ // try to work with 'plugin' as with OSGI BundleContext
+ try {
+ Class BundleClass = Class.forName("org.osgi.framework.Bundle"); //$NON-NLS-1$
+ Class BundleContextClass = Class.forName("org.osgi.framework.BundleContext"); //$NON-NLS-1$
+ if (BundleContextClass.isAssignableFrom(plugin.getClass())) {
+ Method getBundleMethod = BundleContextClass.getMethod("getBundle", new Class[0]); //$NON-NLS-1$
+ Object bundle = getBundleMethod.invoke(plugin, new Object[0]);
+ //
+ Class PathClass = Class.forName("org.eclipse.core.runtime.Path"); //$NON-NLS-1$
+ Constructor pathConstructor = PathClass.getConstructor(new Class[]{String.class});
+ Object path = pathConstructor.newInstance(new Object[]{name});
+ //
+ Class IPathClass = Class.forName("org.eclipse.core.runtime.IPath"); //$NON-NLS-1$
+ Class PlatformClass = Class.forName("org.eclipse.core.runtime.Platform"); //$NON-NLS-1$
+ Method findMethod = PlatformClass.getMethod("find", new Class[]{BundleClass, IPathClass}); //$NON-NLS-1$
+ return (URL) findMethod.invoke(null, new Object[]{bundle, path});
+ }
+ } catch (Throwable e) {
+ // Ignore any exceptions
+ }
+ // else work with 'plugin' as with usual Eclipse plugin
+ {
+ Class PluginClass = Class.forName("org.eclipse.core.runtime.Plugin"); //$NON-NLS-1$
+ if (PluginClass.isAssignableFrom(plugin.getClass())) {
+ //
+ Class PathClass = Class.forName("org.eclipse.core.runtime.Path"); //$NON-NLS-1$
+ Constructor pathConstructor = PathClass.getConstructor(new Class[]{String.class});
+ Object path = pathConstructor.newInstance(new Object[]{name});
+ //
+ Class IPathClass = Class.forName("org.eclipse.core.runtime.IPath"); //$NON-NLS-1$
+ Method findMethod = PluginClass.getMethod("find", new Class[]{IPathClass}); //$NON-NLS-1$
+ return (URL) findMethod.invoke(plugin, new Object[]{path});
+ }
+ }
+ return null;
+ }
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // General
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ /**
+ * Dispose of cached objects and their underlying OS resources. This should only be called when the cached
+ * objects are no longer needed (e.g. on application shutdown).
+ */
+ public static void dispose() {
+ disposeColors();
+ disposeFonts();
+ disposeImages();
+ }
+}
\ No newline at end of file
diff --git a/com.minres.scviewer.e4.application/src/org/eclipse/wb/swt/SWTResourceManager.java b/com.minres.scviewer.e4.application/src/org/eclipse/wb/swt/SWTResourceManager.java
new file mode 100644
index 0000000..53472ad
--- /dev/null
+++ b/com.minres.scviewer.e4.application/src/org/eclipse/wb/swt/SWTResourceManager.java
@@ -0,0 +1,447 @@
+/*******************************************************************************
+ * Copyright (c) 2014, 2015 MINRES Technologies GmbH 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:
+ * MINRES Technologies GmbH - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.wb.swt;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.FontData;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * Utility class for managing OS resources associated with SWT controls such as colors, fonts, images, etc.
+ *
+ * !!! IMPORTANT !!! Application code must explicitly invoke the dispose() method to release the
+ * operating system resources managed by cached objects when those objects and OS resources are no longer
+ * needed (e.g. on application shutdown)
+ *
+ * This class may be freely distributed as part of any application or plugin.
+ *
+ * @author scheglov_ke
+ * @author Dan Rubel
+ */
+public class SWTResourceManager {
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // Color
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ private static Map m_colorMap = new HashMap();
+ /**
+ * Returns the system {@link Color} matching the specific ID.
+ *
+ * @param systemColorID
+ * the ID value for the color
+ * @return the system {@link Color} matching the specific ID
+ */
+ public static Color getColor(int systemColorID) {
+ Display display = Display.getCurrent();
+ return display.getSystemColor(systemColorID);
+ }
+ /**
+ * Returns a {@link Color} given its red, green and blue component values.
+ *
+ * @param r
+ * the red component of the color
+ * @param g
+ * the green component of the color
+ * @param b
+ * the blue component of the color
+ * @return the {@link Color} matching the given red, green and blue component values
+ */
+ public static Color getColor(int r, int g, int b) {
+ return getColor(new RGB(r, g, b));
+ }
+ /**
+ * Returns a {@link Color} given its RGB value.
+ *
+ * @param rgb
+ * the {@link RGB} value of the color
+ * @return the {@link Color} matching the RGB value
+ */
+ public static Color getColor(RGB rgb) {
+ Color color = m_colorMap.get(rgb);
+ if (color == null) {
+ Display display = Display.getCurrent();
+ color = new Color(display, rgb);
+ m_colorMap.put(rgb, color);
+ }
+ return color;
+ }
+ /**
+ * Dispose of all the cached {@link Color}'s.
+ */
+ public static void disposeColors() {
+ for (Color color : m_colorMap.values()) {
+ color.dispose();
+ }
+ m_colorMap.clear();
+ }
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // Image
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ /**
+ * Maps image paths to images.
+ */
+ private static Map m_imageMap = new HashMap();
+ /**
+ * Returns an {@link Image} encoded by the specified {@link InputStream}.
+ *
+ * @param stream
+ * the {@link InputStream} encoding the image data
+ * @return the {@link Image} encoded by the specified input stream
+ */
+ protected static Image getImage(InputStream stream) throws IOException {
+ try {
+ Display display = Display.getCurrent();
+ ImageData data = new ImageData(stream);
+ if (data.transparentPixel > 0) {
+ return new Image(display, data, data.getTransparencyMask());
+ }
+ return new Image(display, data);
+ } finally {
+ stream.close();
+ }
+ }
+ /**
+ * Returns an {@link Image} stored in the file at the specified path.
+ *
+ * @param path
+ * the path to the image file
+ * @return the {@link Image} stored in the file at the specified path
+ */
+ public static Image getImage(String path) {
+ Image image = m_imageMap.get(path);
+ if (image == null) {
+ try {
+ image = getImage(new FileInputStream(path));
+ m_imageMap.put(path, image);
+ } catch (Exception e) {
+ image = getMissingImage();
+ m_imageMap.put(path, image);
+ }
+ }
+ return image;
+ }
+ /**
+ * Returns an {@link Image} stored in the file at the specified path relative to the specified class.
+ *
+ * @param clazz
+ * the {@link Class} relative to which to find the image
+ * @param path
+ * the path to the image file, if starts with '/'
+ * @return the {@link Image} stored in the file at the specified path
+ */
+ public static Image getImage(Class clazz, String path) {
+ String key = clazz.getName() + '|' + path;
+ Image image = m_imageMap.get(key);
+ if (image == null) {
+ try {
+ image = getImage(clazz.getResourceAsStream(path));
+ m_imageMap.put(key, image);
+ } catch (Exception e) {
+ image = getMissingImage();
+ m_imageMap.put(key, image);
+ }
+ }
+ return image;
+ }
+ private static final int MISSING_IMAGE_SIZE = 10;
+ /**
+ * @return the small {@link Image} that can be used as placeholder for missing image.
+ */
+ private static Image getMissingImage() {
+ Image image = new Image(Display.getCurrent(), MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
+ //
+ GC gc = new GC(image);
+ gc.setBackground(getColor(SWT.COLOR_RED));
+ gc.fillRectangle(0, 0, MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
+ gc.dispose();
+ //
+ return image;
+ }
+ /**
+ * Style constant for placing decorator image in top left corner of base image.
+ */
+ public static final int TOP_LEFT = 1;
+ /**
+ * Style constant for placing decorator image in top right corner of base image.
+ */
+ public static final int TOP_RIGHT = 2;
+ /**
+ * Style constant for placing decorator image in bottom left corner of base image.
+ */
+ public static final int BOTTOM_LEFT = 3;
+ /**
+ * Style constant for placing decorator image in bottom right corner of base image.
+ */
+ public static final int BOTTOM_RIGHT = 4;
+ /**
+ * Internal value.
+ */
+ protected static final int LAST_CORNER_KEY = 5;
+ /**
+ * Maps images to decorated images.
+ */
+ @SuppressWarnings("unchecked")
+ private static Map>[] m_decoratedImageMap = new Map[LAST_CORNER_KEY];
+ /**
+ * Returns an {@link Image} composed of a base image decorated by another image.
+ *
+ * @param baseImage
+ * the base {@link Image} that should be decorated
+ * @param decorator
+ * the {@link Image} to decorate the base image
+ * @return {@link Image} The resulting decorated image
+ */
+ public static Image decorateImage(Image baseImage, Image decorator) {
+ return decorateImage(baseImage, decorator, BOTTOM_RIGHT);
+ }
+ /**
+ * Returns an {@link Image} composed of a base image decorated by another image.
+ *
+ * @param baseImage
+ * the base {@link Image} that should be decorated
+ * @param decorator
+ * the {@link Image} to decorate the base image
+ * @param corner
+ * the corner to place decorator image
+ * @return the resulting decorated {@link Image}
+ */
+ public static Image decorateImage(final Image baseImage, final Image decorator, final int corner) {
+ if (corner <= 0 || corner >= LAST_CORNER_KEY) {
+ throw new IllegalArgumentException("Wrong decorate corner");
+ }
+ Map> cornerDecoratedImageMap = m_decoratedImageMap[corner];
+ if (cornerDecoratedImageMap == null) {
+ cornerDecoratedImageMap = new HashMap>();
+ m_decoratedImageMap[corner] = cornerDecoratedImageMap;
+ }
+ Map decoratedMap = cornerDecoratedImageMap.get(baseImage);
+ if (decoratedMap == null) {
+ decoratedMap = new HashMap();
+ cornerDecoratedImageMap.put(baseImage, decoratedMap);
+ }
+ //
+ Image result = decoratedMap.get(decorator);
+ if (result == null) {
+ Rectangle bib = baseImage.getBounds();
+ Rectangle dib = decorator.getBounds();
+ //
+ result = new Image(Display.getCurrent(), bib.width, bib.height);
+ //
+ GC gc = new GC(result);
+ gc.drawImage(baseImage, 0, 0);
+ if (corner == TOP_LEFT) {
+ gc.drawImage(decorator, 0, 0);
+ } else if (corner == TOP_RIGHT) {
+ gc.drawImage(decorator, bib.width - dib.width, 0);
+ } else if (corner == BOTTOM_LEFT) {
+ gc.drawImage(decorator, 0, bib.height - dib.height);
+ } else if (corner == BOTTOM_RIGHT) {
+ gc.drawImage(decorator, bib.width - dib.width, bib.height - dib.height);
+ }
+ gc.dispose();
+ //
+ decoratedMap.put(decorator, result);
+ }
+ return result;
+ }
+ /**
+ * Dispose all of the cached {@link Image}'s.
+ */
+ public static void disposeImages() {
+ // dispose loaded images
+ {
+ for (Image image : m_imageMap.values()) {
+ image.dispose();
+ }
+ m_imageMap.clear();
+ }
+ // dispose decorated images
+ for (int i = 0; i < m_decoratedImageMap.length; i++) {
+ Map> cornerDecoratedImageMap = m_decoratedImageMap[i];
+ if (cornerDecoratedImageMap != null) {
+ for (Map decoratedMap : cornerDecoratedImageMap.values()) {
+ for (Image image : decoratedMap.values()) {
+ image.dispose();
+ }
+ decoratedMap.clear();
+ }
+ cornerDecoratedImageMap.clear();
+ }
+ }
+ }
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // Font
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ /**
+ * Maps font names to fonts.
+ */
+ private static Map m_fontMap = new HashMap();
+ /**
+ * Maps fonts to their bold versions.
+ */
+ private static Map m_fontToBoldFontMap = new HashMap();
+ /**
+ * Returns a {@link Font} based on its name, height and style.
+ *
+ * @param name
+ * the name of the font
+ * @param height
+ * the height of the font
+ * @param style
+ * the style of the font
+ * @return {@link Font} The font matching the name, height and style
+ */
+ public static Font getFont(String name, int height, int style) {
+ return getFont(name, height, style, false, false);
+ }
+ /**
+ * Returns a {@link Font} based on its name, height and style. Windows-specific strikeout and underline
+ * flags are also supported.
+ *
+ * @param name
+ * the name of the font
+ * @param size
+ * the size of the font
+ * @param style
+ * the style of the font
+ * @param strikeout
+ * the strikeout flag (warning: Windows only)
+ * @param underline
+ * the underline flag (warning: Windows only)
+ * @return {@link Font} The font matching the name, height, style, strikeout and underline
+ */
+ public static Font getFont(String name, int size, int style, boolean strikeout, boolean underline) {
+ String fontName = name + '|' + size + '|' + style + '|' + strikeout + '|' + underline;
+ Font font = m_fontMap.get(fontName);
+ if (font == null) {
+ FontData fontData = new FontData(name, size, style);
+ if (strikeout || underline) {
+ try {
+ Class logFontClass = Class.forName("org.eclipse.swt.internal.win32.LOGFONT"); //$NON-NLS-1$
+ Object logFont = FontData.class.getField("data").get(fontData); //$NON-NLS-1$
+ if (logFont != null && logFontClass != null) {
+ if (strikeout) {
+ logFontClass.getField("lfStrikeOut").set(logFont, Byte.valueOf((byte) 1)); //$NON-NLS-1$
+ }
+ if (underline) {
+ logFontClass.getField("lfUnderline").set(logFont, Byte.valueOf((byte) 1)); //$NON-NLS-1$
+ }
+ }
+ } catch (Throwable e) {
+ System.err.println("Unable to set underline or strikeout" + " (probably on a non-Windows platform). " + e); //$NON-NLS-1$ //$NON-NLS-2$
+ }
+ }
+ font = new Font(Display.getCurrent(), fontData);
+ m_fontMap.put(fontName, font);
+ }
+ return font;
+ }
+ /**
+ * Returns a bold version of the given {@link Font}.
+ *
+ * @param baseFont
+ * the {@link Font} for which a bold version is desired
+ * @return the bold version of the given {@link Font}
+ */
+ public static Font getBoldFont(Font baseFont) {
+ Font font = m_fontToBoldFontMap.get(baseFont);
+ if (font == null) {
+ FontData fontDatas[] = baseFont.getFontData();
+ FontData data = fontDatas[0];
+ font = new Font(Display.getCurrent(), data.getName(), data.getHeight(), SWT.BOLD);
+ m_fontToBoldFontMap.put(baseFont, font);
+ }
+ return font;
+ }
+ /**
+ * Dispose all of the cached {@link Font}'s.
+ */
+ public static void disposeFonts() {
+ // clear fonts
+ for (Font font : m_fontMap.values()) {
+ font.dispose();
+ }
+ m_fontMap.clear();
+ // clear bold fonts
+ for (Font font : m_fontToBoldFontMap.values()) {
+ font.dispose();
+ }
+ m_fontToBoldFontMap.clear();
+ }
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // Cursor
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ /**
+ * Maps IDs to cursors.
+ */
+ private static Map m_idToCursorMap = new HashMap();
+ /**
+ * Returns the system cursor matching the specific ID.
+ *
+ * @param id
+ * int The ID value for the cursor
+ * @return Cursor The system cursor matching the specific ID
+ */
+ public static Cursor getCursor(int id) {
+ Integer key = Integer.valueOf(id);
+ Cursor cursor = m_idToCursorMap.get(key);
+ if (cursor == null) {
+ cursor = new Cursor(Display.getDefault(), id);
+ m_idToCursorMap.put(key, cursor);
+ }
+ return cursor;
+ }
+ /**
+ * Dispose all of the cached cursors.
+ */
+ public static void disposeCursors() {
+ for (Cursor cursor : m_idToCursorMap.values()) {
+ cursor.dispose();
+ }
+ m_idToCursorMap.clear();
+ }
+ ////////////////////////////////////////////////////////////////////////////
+ //
+ // General
+ //
+ ////////////////////////////////////////////////////////////////////////////
+ /**
+ * Dispose of cached objects and their underlying OS resources. This should only be called when the cached
+ * objects are no longer needed (e.g. on application shutdown).
+ */
+ public static void dispose() {
+ disposeColors();
+ disposeImages();
+ disposeFonts();
+ disposeCursors();
+ }
+}
\ No newline at end of file
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