1 files changed, 137 insertions, 0 deletions
diff --git a/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/Installer.java b/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/Installer.java
new file mode 100644
index 00000000..d175ba4b
--- /dev/null
+++ b/bundles/org.eclipse.e4.tools.event.spy/src/org/eclipse/e4/tools/event/spy/Installer.java
@@ -0,0 +1,137 @@
+/*******************************************************************************
+ * Copyright (c) 2013 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.e4.tools.event.spy;
+
+
+import javax.inject.Inject;
+
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.tools.event.spy.handlers.OpenSpyDialogHandler;
+import org.eclipse.e4.tools.event.spy.util.LoggerWrapper;
+import org.eclipse.e4.tools.event.spy.util.PluginUtils;
+import org.eclipse.e4.ui.model.application.MApplication;
+import org.eclipse.e4.ui.model.application.commands.MBindingTable;
+import org.eclipse.e4.ui.model.application.commands.MCommand;
+import org.eclipse.e4.ui.model.application.commands.MCommandsFactory;
+import org.eclipse.e4.ui.model.application.commands.MHandler;
+import org.eclipse.e4.ui.model.application.commands.MKeyBinding;
+
+@SuppressWarnings("restriction")
+public class Installer {
+	@Inject
+	private MApplication application;
+
+	@Inject
+	private LoggerWrapper logger;
+
+	@Execute
+	public void execute() {
+		logger.info("installing ...");
+
+		registerCommand(CommandDescriptor.OpenSpyDialog, BindingDescriptor.OpenSpyDialogInDialogAndWindow, OpenSpyDialogHandler.class);
+
+		logger.info("installed");
+	}
+
+	private void registerCommand(CommandDescriptor commandDesc, BindingDescriptor bindingDesc, Class<?> handlerCls) {
+		MCommand command = getCommand(application, commandDesc);
+		if (command == null) {
+			command = createCommand(commandDesc);
+			application.getCommands().add(command);
+		}
+
+		Object binding = getBindingOrBindingTable(application, command, bindingDesc);
+		if (binding == null) {
+			logger.warn("binding context ''{0}'' for command ''{1}'' not found",
+					bindingDesc.getBindingContextId(), commandDesc.getName());
+			return;
+		}
+
+		if (binding instanceof MKeyBinding) {
+			MKeyBinding keyBinding = (MKeyBinding) binding;
+			if (keyBinding.getTags().contains(Constants.BINDING_MODIFIED_BY_USER_TAG)) {
+				logger.info("key binding for command ''{0}'' changed to {1}", commandDesc.getName(), keyBinding.getKeySequence());
+
+			} else if (keyBinding.getTags().contains(Constants.BINDING_DELETED_BY_USER_TAG)) {
+				logger.info("key binding for command ''{0}'' has been deleted. The command is disabled", commandDesc.getName());
+			}
+			return; //command already processed
+		}
+
+		((MBindingTable) binding).getBindings().add(createKeyBinding(command, bindingDesc));
+		logger.info("key binding for command ''{0}'' is {1}", commandDesc.getName(), bindingDesc.getKeySequence());
+
+		MHandler handler = getHandler(application, commandDesc);
+		if (handler == null) {
+			handler = createHandler(command, handlerCls);
+			application.getHandlers().add(handler);
+		}
+	}
+
+	private MCommand getCommand(MApplication application, CommandDescriptor descriptor) {
+		for (MCommand command: application.getCommands()) {
+			if (descriptor.getId().equals(command.getElementId())) {
+				return command;
+			}
+		}
+		return null;
+	}
+
+	private MCommand createCommand(CommandDescriptor descriptor) {
+		MCommand command = MCommandsFactory.INSTANCE.createCommand();
+		command.setElementId(descriptor.getId());
+		command.setCommandName(descriptor.getName());
+		command.setContributorURI(PluginUtils.getContributorURI());
+		return command;
+	}
+
+	private MHandler getHandler(MApplication application, CommandDescriptor descriptor) {
+		for (MHandler handler: application.getHandlers()) {
+			if (descriptor.getId().equals(handler.getElementId())) {
+				return handler;
+			}
+		}
+		return null;
+	}
+
+	private MHandler createHandler(MCommand command, Class<?> handlerCls) {
+		MHandler handler = MCommandsFactory.INSTANCE.createHandler();
+		handler.setElementId(command.getElementId());
+		handler.setCommand(command);
+		handler.setContributionURI(PluginUtils.getContributionURI(handlerCls));
+		handler.setContributorURI(PluginUtils.getContributorURI());
+		return handler;
+	}
+
+	private Object getBindingOrBindingTable(MApplication application, MCommand command, BindingDescriptor descriptor) {
+		MBindingTable result = null;
+		for (MBindingTable bindingTable: application.getBindingTables()) {
+			for (MKeyBinding keyBinding : bindingTable.getBindings()) {
+				if (keyBinding.getCommand() == command) {
+					return bindingTable;
+				}
+			}
+			if (descriptor.getBindingContextId().equals(bindingTable.getBindingContext().getElementId())) {
+				result = bindingTable;
+			}
+		}
+		return result;
+	}
+
+	private MKeyBinding createKeyBinding(MCommand command, BindingDescriptor descriptor) {
+		MKeyBinding keyBinding = MCommandsFactory.INSTANCE.createKeyBinding();
+		keyBinding.setElementId(command.getElementId());
+		keyBinding.setCommand(command);
+		keyBinding.setKeySequence(descriptor.getKeySequence());
+		keyBinding.setContributorURI(PluginUtils.getContributorURI());
+		return keyBinding;
+	}
+}