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Diffstat (limited to 'examples/org.eclipse.swt.examples.launcher/src/org/eclipse/swt/examples/launcher/LauncherPlugin.java')
-rwxr-xr-xexamples/org.eclipse.swt.examples.launcher/src/org/eclipse/swt/examples/launcher/LauncherPlugin.java413
1 files changed, 0 insertions, 413 deletions
diff --git a/examples/org.eclipse.swt.examples.launcher/src/org/eclipse/swt/examples/launcher/LauncherPlugin.java b/examples/org.eclipse.swt.examples.launcher/src/org/eclipse/swt/examples/launcher/LauncherPlugin.java
deleted file mode 100755
index 1ee79c11e3..0000000000
--- a/examples/org.eclipse.swt.examples.launcher/src/org/eclipse/swt/examples/launcher/LauncherPlugin.java
+++ /dev/null
@@ -1,413 +0,0 @@
-package org.eclipse.swt.examples.launcher;
-
-/*
- * (c) Copyright IBM Corp. 2000, 2001.
- * All Rights Reserved
- */
-
-import java.io.*; import java.net.*; import java.text.*; import java.util.*; import org.eclipse.core.runtime.*; import org.eclipse.swt.graphics.*; import org.eclipse.ui.plugin.*;
-
-/**
- * The main plugin class to be used in the desktop.
- */
-public class LauncherPlugin extends AbstractUIPlugin {
- //The shared instance.
- private static LauncherPlugin plugin;
- private static ResourceBundle resourceBundle;
-
- private static final String
- LAUNCH_ITEMS_POINT_ID = "org.eclipse.swt.examples.launcher.launchItems",
- LAUNCH_ITEMS_XML_CATEGORY = "category",
- LAUNCH_ITEMS_XML_ITEM = "item",
- LAUNCH_ITEMS_XML_ITEM_ICON = "icon",
- LAUNCH_ITEMS_XML_ITEM_DESCRIPTION = "description",
- LAUNCH_ITEMS_XML_PROGRAM = "program",
- LAUNCH_ITEMS_XML_PROGRAM_PLUGIN = "pluginId",
- LAUNCH_ITEMS_XML_PROGRAM_CLASS = "mainClass",
- LAUNCH_ITEMS_XML_VIEW = "view",
- LAUNCH_ITEMS_XML_VIEW_VIEWID = "viewId",
- LAUNCH_ITEMS_XML_SOURCE = "source",
- LAUNCH_ITEMS_XML_SOURCE_ZIP = "zip",
- LAUNCH_ITEMS_XML_ATTRIB_ID = "id",
- LAUNCH_ITEMS_XML_ATTRIB_NAME = "name",
- LAUNCH_ITEMS_XML_ATTRIB_ENABLED = "enabled",
- LAUNCH_ITEMS_XML_ATTRIB_CATEGORY = "category",
- LAUNCH_ITEMS_XML_VALUE_TRUE = "true",
- LAUNCH_ITEMS_XML_VALUE_FALSE = "false";
-
- static final int
- liClosedFolder = 0,
- liOpenFolder = 1,
- liGenericExample = 2;
- static final String[] imageLocations = {
- "icons/closedFolder.gif",
- "icons/openFolder.gif",
- "icons/generic_example.gif" };
- static Image images[];
-
- /**
- * Constructs the LauncherPlugin.
- */
- public LauncherPlugin(IPluginDescriptor descriptor) {
- super(descriptor);
- plugin = this;
- resourceBundle = descriptor.getResourceBundle();
- }
-
- /**
- * Clean up
- */
- public void shutdown() throws CoreException {
- super.shutdown();
- freeResources();
- }
-
- /**
- * Returns the shared instance.
- */
- public static LauncherPlugin getDefault() {
- return plugin;
- }
-
- /**
- * Loads the resources
- */
- public static void initResources() {
- if (images == null) {
- images = new Image[imageLocations.length];
-
- for (int i = 0; i < imageLocations.length; ++i) {
- images[i] = getImageFromPlugin(plugin.getDescriptor(), imageLocations[i]);
- if (images[i] == null) {
- freeResources();
- logError(getResourceString("error.CouldNotLoadResources"), null);
- throw new IllegalStateException();
- }
- }
- }
- }
-
- /**
- * Frees the resources
- */
- public static void freeResources() {
- if (images != null) {
- for (int i = 0; i < images.length; ++i) {
- final Image image = images[i];
- if (image != null) image.dispose();
- }
- images = null;
- }
- }
-
- /**
- * Log an error to the ILog for this plugin
- *
- * @param message the localized error message text
- * @param exception the associated exception, or null
- */
- public static void logError(String message, Throwable exception) {
- plugin.getLog().log(new Status(IStatus.ERROR, plugin.getDescriptor().getUniqueIdentifier(),
- 0, message, exception));
- }
-
- /**
- * Returns a string from the resource bundle.
- * We don't want to crash because of a missing String.
- * Returns the key if not found.
- */
- public static String getResourceString(String key) {
- try {
- return resourceBundle.getString(key);
- } catch (MissingResourceException e) {
- return key;
- } catch (NullPointerException e) {
- return "!" + key + "!";
- }
- }
-
- /**
- * Returns a string from the resource bundle and binds it
- * with the given arguments. If the key is not found,
- * return the key.
- */
- public static String getResourceString(String key, Object[] args) {
- try {
- return MessageFormat.format(getResourceString(key), args);
- } catch (MissingResourceException e) {
- return key;
- } catch (NullPointerException e) {
- return "!" + key + "!";
- }
- }
-
- /**
- * Constructs a list of available programs from registered extensions.
- *
- * @return an ItemTreeNode representing the root of a tree of items (the root is not to be displayed)
- */
- public static ItemTreeNode getLaunchItemTree() {
- ItemTreeNode categoryTree =
- new ItemTreeNode(new ItemDescriptor("<<Root>>", "<<Root>>", null, null, null, null));
-
- // get the platform's public plugin registry
- IPluginRegistry pluginRegistry = Platform.getPluginRegistry();
- // retrieve all configuration elements registered at our launchItems extension-point
- IConfigurationElement[] configurationElements =
- pluginRegistry.getConfigurationElementsFor(LAUNCH_ITEMS_POINT_ID);
-
- if (configurationElements == null || configurationElements.length == 0) {
- logError("Could not find registered extensions", null);
- return categoryTree;
- }
-
- /* Collect all launch categories -- coalesce those with same ID */
- HashMap idMap = new HashMap();
- for (int i = 0; i < configurationElements.length; ++i) {
- final IConfigurationElement ce = configurationElements[i];
- final String ceName = ce.getName();
- final String attribId = getItemAttribute(ce, LAUNCH_ITEMS_XML_ATTRIB_ID, null);
-
- if (idMap.containsKey(attribId)) continue;
- if (ceName.equalsIgnoreCase(LAUNCH_ITEMS_XML_CATEGORY)) {
- final String attribName = getItemName(ce);
- ItemDescriptor theDescriptor = new ItemDescriptor(attribId, attribName,
- getItemDescription(ce), null, null, null);
- idMap.put(attribId, new ItemTreeNode(theDescriptor));
- }
- }
-
- /* Generate launch category hierarchy */
- Set tempIdSet = new HashSet(); // used to prevent duplicates from being entered into the tree
- for (int i = 0; i < configurationElements.length; ++i) {
- final IConfigurationElement ce = configurationElements[i];
- final String ceName = ce.getName();
- final String attribId = getItemAttribute(ce, LAUNCH_ITEMS_XML_ATTRIB_ID, null);
-
- if (tempIdSet.contains(attribId)) continue;
- if (ceName.equalsIgnoreCase(LAUNCH_ITEMS_XML_CATEGORY)) {
- final ItemTreeNode theNode = (ItemTreeNode) idMap.get(attribId);
- addItemByCategory(ce, categoryTree, theNode, idMap);
- tempIdSet.add(attribId);
- }
- }
-
- /* Generate program tree */
- for (int i = 0; i < configurationElements.length; ++i) {
- final IConfigurationElement ce = configurationElements[i];
- final String ceName = ce.getName();
- final String attribId = getItemAttribute(ce, LAUNCH_ITEMS_XML_ATTRIB_ID, null);
-
- if (idMap.containsKey(attribId)) continue;
- if (ceName.equalsIgnoreCase(LAUNCH_ITEMS_XML_CATEGORY)) {
- // ignore
- } else if (ceName.equalsIgnoreCase(LAUNCH_ITEMS_XML_ITEM)) {
- final String enabled = getItemAttribute(ce, LAUNCH_ITEMS_XML_ATTRIB_ENABLED,
- LAUNCH_ITEMS_XML_VALUE_TRUE);
- if (enabled.equalsIgnoreCase(LAUNCH_ITEMS_XML_VALUE_FALSE)) continue;
- ItemDescriptor theDescriptor = createItemDescriptor(ce, attribId);
-
- if (theDescriptor != null) {
- final ItemTreeNode theNode = new ItemTreeNode(theDescriptor);
- addItemByCategory(ce, categoryTree, theNode, idMap);
- idMap.put(attribId, theNode);
- }
- }
- }
- return categoryTree;
- }
-
-
- /**
- * Adds an item to the category tree.
- */
- private static void addItemByCategory(IConfigurationElement ce, ItemTreeNode root,
- ItemTreeNode theNode, HashMap idMap) {
- final String attribCategory = getItemAttribute(ce, LAUNCH_ITEMS_XML_ATTRIB_CATEGORY, null);
-
- // locate the parent node
- ItemTreeNode parentNode = null;
- if (attribCategory != null) {
- parentNode = (ItemTreeNode) idMap.get(attribCategory);
- }
- if (parentNode == null) parentNode = root;
-
- // add the item
- parentNode.addSortedNode(theNode);
- }
-
- /**
- * Creates an ItemDescriptor from an XML definition.
- *
- * @param ce the IConfigurationElement describing the item
- * @param attribId the attribute id
- * @return a new ItemDescriptor, or null if an error occurs
- */
- private static ItemDescriptor createItemDescriptor(IConfigurationElement ce, String attribId) {
- final String attribName = getItemName(ce);
- final Image attribIcon = getItemIcon(ce);
- final String attribDescription = getItemDescription(ce);
- final URL attribSourceZip;
- final LaunchDelegate launchDelegate;
-
- IConfigurationElement sourceCE = getItemElement(ce, LAUNCH_ITEMS_XML_SOURCE);
- attribSourceZip = (sourceCE != null) ? getSourceCodePath(sourceCE) : null;
-
- IConfigurationElement viewCE = getItemElement(ce, LAUNCH_ITEMS_XML_VIEW);
- if (viewCE != null) {
- final String attribView = getItemAttribute(viewCE, LAUNCH_ITEMS_XML_VIEW_VIEWID, null);
- if (attribView == null) {
- logError(getResourceString("error.IncompleteViewLaunchItem",
- new Object[] { attribId } ), null);
- return null;
- }
- launchDelegate = new ViewLaunchDelegate(attribView);
- } else {
- IConfigurationElement programCE = getItemElement(ce, LAUNCH_ITEMS_XML_PROGRAM);
- if (programCE != null) {
- final String attribPluginId = getItemAttribute(programCE, LAUNCH_ITEMS_XML_PROGRAM_PLUGIN, null);
- final String attribClass = getItemAttribute(programCE, LAUNCH_ITEMS_XML_PROGRAM_CLASS, null);
-
- if (attribClass == null || attribPluginId == null) {
- logError(getResourceString("error.IncompleteProgramLaunchItem",
- new Object[] { attribId } ), null);
- return null;
- }
- launchDelegate = new ProgramLaunchDelegate(attribPluginId, attribClass);
- } else {
- logError(getResourceString("error.IncompleteLaunchItem",
- new Object[] { attribId } ), null);
- return null;
- }
- }
- return new ItemDescriptor(attribId, attribName, attribDescription, attribSourceZip,
- attribIcon, launchDelegate);
- }
-
- /**
- * Returns the first instance of a particular child XML element.
- *
- * @param ce the IConfigurationElement parent
- * @param element the name of the element to fetch
- * @return the element's IConfigurationElement, or null if not found
- */
- private static IConfigurationElement getItemElement(IConfigurationElement ce, String element) {
- IConfigurationElement[] elementCEs = ce.getChildren(element);
- return (elementCEs != null && elementCEs.length != 0) ? elementCEs[0] : null;
- }
-
- /**
- * Returns the value of an XML attribute for an item.
- *
- * @param ce the IConfigurationElement describing the item
- * @param attribute the attribute to fetch
- * @param defaultValue the value to return if the attribute is not found
- * @return the attribute value
- */
- private static String getItemAttribute(IConfigurationElement ce, String attribute, String defaultValue) {
- String value = ce.getAttribute(attribute);
- return (value != null) ? value : defaultValue;
- }
-
- /**
- * Returns the description string given the IConfigurationElement for an item.
- *
- * @param ce the IConfigurationElement describing the item
- * @return a newline-delimited string that describes this item, or null if none
- */
- private static String getItemDescription(IConfigurationElement ce) {
- String description = getItemAttribute(ce, LAUNCH_ITEMS_XML_ITEM_DESCRIPTION, "");
- return (description.length() == 0) ? null : description;
- }
-
- /**
- * Returns the name of an item.
- *
- * @param ce the IConfigurationElement describing the item
- * @return the attribute value
- */
- private static String getItemName(IConfigurationElement ce) {
- return getItemAttribute(ce, LAUNCH_ITEMS_XML_ATTRIB_NAME,
- getResourceString("launchitem.Missing.name"));
- }
-
-
- /**
- * Returns the icon for an item.
- *
- * @param ce the IConfigurationElement describing the item
- * @return an icon
- */
- private static Image getItemIcon(IConfigurationElement ce) {
- String iconPath = getItemAttribute(ce, LAUNCH_ITEMS_XML_ITEM_ICON, "");
- if (iconPath.length() != 0) {
- Image icon = getImageFromPlugin(ce.getDeclaringExtension().getDeclaringPluginDescriptor(),
- iconPath);
- if (icon != null) {
- Image[] newImages = new Image[images.length + 1];
- System.arraycopy(images, 0, newImages, 0, images.length);
- newImages[images.length] = icon;
- images = newImages;
- return icon;
- }
- }
- return images[liGenericExample];
- }
-
- /**
- * Gets an image from a path relative to the plugin install directory.
- *
- * @param pd the plugin descriptor for the plugin with the image
- * @param iconPath the path relative to the install directory
- * @return the image, or null if not found
- */
- private static Image getImageFromPlugin(IPluginDescriptor pd, String iconPath) {
- InputStream is = null;
- try {
- URL installUrl = pd.getInstallURL();
- URL url = new URL(installUrl, iconPath);
- is = url.openConnection().getInputStream();
- ImageData source = new ImageData(is);
- ImageData mask = source.getTransparencyMask();
- Image image = new Image(null, source, mask);
- return image;
- } catch (Throwable ex) {
- return null;
- } finally {
- try {
- if (is != null) is.close();
- } catch (IOException e) {
- }
- }
- }
-
- /**
- * Returns the path of the source code for an item.
- *
- * @param ce the IConfigurationElement describing the item
- * @return a URL containing the source code path, or null if none is available
- */
- private static URL getSourceCodePath(IConfigurationElement ce) {
- String sourcePath = getItemAttribute(ce, LAUNCH_ITEMS_XML_SOURCE_ZIP, "");
- if (sourcePath.length() != 0) {
- try {
- // Extract the URL
- IPluginDescriptor pd = ce.getDeclaringExtension().getDeclaringPluginDescriptor();
- URL sourceUrl = new URL(pd.getInstallURL(), sourcePath);
-
- // Test the URL to make sure there really is a resource here
- // (this helps to prevent the user from seeing "Add to Workspace" if no
- // source bundle is available but one has been specified)
- try {
- InputStream is = sourceUrl.openStream();
- is.close();
- } catch (IOException e) {
- return null;
- }
- return sourceUrl;
- } catch (MalformedURLException e) {
- }
- }
- return null;
- }
-} \ No newline at end of file

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