diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.transfer.ui/src/org/eclipse/wb/swt/ResourceManager.java')
| -rw-r--r-- | plugins/org.eclipse.emf.cdo.transfer.ui/src/org/eclipse/wb/swt/ResourceManager.java | 854 |
1 files changed, 475 insertions, 379 deletions
diff --git a/plugins/org.eclipse.emf.cdo.transfer.ui/src/org/eclipse/wb/swt/ResourceManager.java b/plugins/org.eclipse.emf.cdo.transfer.ui/src/org/eclipse/wb/swt/ResourceManager.java index c1bfc8b578..42b9dc18f4 100644 --- a/plugins/org.eclipse.emf.cdo.transfer.ui/src/org/eclipse/wb/swt/ResourceManager.java +++ b/plugins/org.eclipse.emf.cdo.transfer.ui/src/org/eclipse/wb/swt/ResourceManager.java @@ -10,6 +10,15 @@ *******************************************************************************/ package org.eclipse.wb.swt; +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; + import java.io.File; import java.io.InputStream; import java.lang.reflect.Constructor; @@ -20,14 +29,6 @@ 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. @@ -42,374 +43,469 @@ import org.osgi.framework.Bundle; * @author scheglov_ke * @author Dan Rubel */ -public class ResourceManager extends SWTResourceManager { - //////////////////////////////////////////////////////////////////////////// - // - // Image - // - //////////////////////////////////////////////////////////////////////////// - private static Map<ImageDescriptor, Image> m_descriptorImageMap = new HashMap<ImageDescriptor, Image>(); - /** - * 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<Image, Map<Image, Image>>[] 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<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[corner]; - if (cornerDecoratedImageMap == null) { - cornerDecoratedImageMap = new HashMap<Image, Map<Image, Image>>(); - m_decoratedImageMap[corner] = cornerDecoratedImageMap; - } - Map<Image, Image> decoratedMap = cornerDecoratedImageMap.get(baseImage); - if (decoratedMap == null) { - decoratedMap = new HashMap<Image, Image>(); - 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<Image> 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<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[i]; - if (cornerDecoratedImageMap != null) { - for (Map<Image, Image> decoratedMap : cornerDecoratedImageMap.values()) { - for (Image image : decoratedMap.values()) { - image.dispose(); - } - decoratedMap.clear(); - } - cornerDecoratedImageMap.clear(); - } - } - // dispose plugin images - { - for (Iterator<Image> I = m_URLImageMap.values().iterator(); I.hasNext();) { - I.next().dispose(); - } - m_URLImageMap.clear(); - } - } - //////////////////////////////////////////////////////////////////////////// - // - // Plugin images support - // - //////////////////////////////////////////////////////////////////////////// - /** - * Maps URL to images. - */ - private static Map<String, Image> m_URLImageMap = new HashMap<String, Image>(); - /** - * 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 +public class ResourceManager extends SWTResourceManager +{ + // ////////////////////////////////////////////////////////////////////////// + // + // Image + // + // ////////////////////////////////////////////////////////////////////////// + private static Map<ImageDescriptor, Image> m_descriptorImageMap = new HashMap<ImageDescriptor, Image>(); + + /** + * 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<Image, Map<Image, Image>>[] 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<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[corner]; + if (cornerDecoratedImageMap == null) + { + cornerDecoratedImageMap = new HashMap<Image, Map<Image, Image>>(); + m_decoratedImageMap[corner] = cornerDecoratedImageMap; + } + Map<Image, Image> decoratedMap = cornerDecoratedImageMap.get(baseImage); + if (decoratedMap == null) + { + decoratedMap = new HashMap<Image, Image>(); + 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<Image> 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<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[i]; + if (cornerDecoratedImageMap != null) + { + for (Map<Image, Image> decoratedMap : cornerDecoratedImageMap.values()) + { + for (Image image : decoratedMap.values()) + { + image.dispose(); + } + decoratedMap.clear(); + } + cornerDecoratedImageMap.clear(); + } + } + // dispose plugin images + { + for (Iterator<Image> I = m_URLImageMap.values().iterator(); I.hasNext();) + { + I.next().dispose(); + } + m_URLImageMap.clear(); + } + } + + // ////////////////////////////////////////////////////////////////////////// + // + // Plugin images support + // + // ////////////////////////////////////////////////////////////////////////// + /** + * Maps URL to images. + */ + private static Map<String, Image> m_URLImageMap = new HashMap<String, Image>(); + + /** + * 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(); + } +} |