package net.sourceforge.phpdt.debug.ui; import java.net.MalformedURLException; import java.net.URL; import net.sourceforge.phpdt.internal.debug.ui.PHPDebugUiPlugin; import org.eclipse.jface.action.IAction; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.resource.ImageRegistry; import org.eclipse.swt.graphics.Image; public class PHPDebugUiImages { protected static final String NAME_PREFIX = "net.sourceforge.phpdt.debug.ui."; protected static final int NAME_PREFIX_LENGTH = NAME_PREFIX.length(); protected static URL iconBaseURL; static { String pathSuffix = "icons/"; try { iconBaseURL = new URL(PHPDebugUiPlugin.getDefault().getDescriptor().getInstallURL(), pathSuffix); } catch (MalformedURLException e) { PHPDebugUiPlugin.log(e); } } protected static final ImageRegistry IMAGE_REGISTRY = new ImageRegistry(); protected static final String CTOOL_PREFIX = "ctool16"; protected static final String EVIEW_PREFIX = "eview16"; public static final String IMG_EVIEW_ARGUMENTS_TAB = NAME_PREFIX + "arguments_tab.gif"; public static final ImageDescriptor DESC_EVIEW_ARGUMENTS_TAB = createManaged(EVIEW_PREFIX, IMG_EVIEW_ARGUMENTS_TAB); /** * Returns the image managed under the given key in this registry. * * @param key the image's key * @return the image managed under the given key */ public static Image get(String key) { return IMAGE_REGISTRY.get(key); } /** * Sets the three image descriptors for enabled, disabled, and hovered to an action. The actions * are retrieved from the *tool16 folders. */ public static void setToolImageDescriptors(IAction action, String iconName) { setImageDescriptors(action, "tool16", iconName); } /** * Sets the three image descriptors for enabled, disabled, and hovered to an action. The actions * are retrieved from the *lcl16 folders. */ public static void setLocalImageDescriptors(IAction action, String iconName) { setImageDescriptors(action, "lcl16", iconName); } public static ImageRegistry getImageRegistry() { return IMAGE_REGISTRY; } //---- Helper methods to access icons on the file system -------------------------------------- protected static void setImageDescriptors(IAction action, String type, String relPath) { try { ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL("d" + type, relPath)); if (id != null) action.setDisabledImageDescriptor(id); } catch (MalformedURLException e) {} try { ImageDescriptor id = ImageDescriptor.createFromURL(makeIconFileURL("c" + type, relPath)); if (id != null) action.setHoverImageDescriptor(id); } catch (MalformedURLException e) {} action.setImageDescriptor(create("e" + type, relPath)); } protected static ImageDescriptor createManaged(String prefix, String name) { try { ImageDescriptor result = ImageDescriptor.createFromURL(makeIconFileURL(prefix, name.substring(NAME_PREFIX_LENGTH))); IMAGE_REGISTRY.put(name, result); return result; } catch (MalformedURLException e) { return ImageDescriptor.getMissingImageDescriptor(); } } protected static ImageDescriptor create(String prefix, String name) { try { return ImageDescriptor.createFromURL(makeIconFileURL(prefix, name)); } catch (MalformedURLException e) { return ImageDescriptor.getMissingImageDescriptor(); } } protected static URL makeIconFileURL(String prefix, String name) throws MalformedURLException { if (iconBaseURL == null) throw new MalformedURLException(); StringBuffer buffer = new StringBuffer(prefix); buffer.append('/'); buffer.append(name); return new URL(iconBaseURL, buffer.toString()); } }