1 files changed, 199 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.ui/src/org/eclipse/tcf/te/ui/handler/AbstractStepperCommandHandler.java b/target_explorer/plugins/org.eclipse.tcf.te.ui/src/org/eclipse/tcf/te/ui/handler/AbstractStepperCommandHandler.java
new file mode 100644
index 000000000..a243cbb65
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.ui/src/org/eclipse/tcf/te/ui/handler/AbstractStepperCommandHandler.java
@@ -0,0 +1,199 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Wind River Systems, Inc. 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.ui.handler;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExecutableExtension;
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
+import org.eclipse.tcf.te.runtime.services.ServiceManager;
+import org.eclipse.tcf.te.runtime.services.interfaces.IService;
+import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
+import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepperOperationService;
+import org.eclipse.tcf.te.runtime.stepper.job.StepperJob;
+import org.eclipse.tcf.te.runtime.utils.StatusHelper;
+import org.eclipse.tcf.te.ui.activator.UIPlugin;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.handlers.HandlerUtil;
+import org.eclipse.ui.part.EditorPart;
+
+/**
+ * Stepper command handler implementation.
+ */
+public abstract class AbstractStepperCommandHandler extends AbstractHandler implements IExecutableExtension {
+
+	protected String operation = null;
+	protected String adaptTo = null;
+
+	/**
+	 * Part id: Project Explorer view
+	 */
+	public static final String PART_ID_PROJECT_VIEW = "org.eclipse.ui.navigator.ProjectExplorer"; //$NON-NLS-1$
+
+	/* (non-Javadoc)
+	 * @see com.windriver.te.tcf.ui.handler.AbstractAgentCommandHandler#execute(org.eclipse.core.commands.ExecutionEvent)
+	 */
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		Assert.isNotNull(operation);
+
+		IPropertiesContainer data = getData(event);
+		if (data == null) {
+			return null;
+		}
+
+		Object context = getContext(event, data);
+
+		IStepperOperationService stepperOperationService = getStepperService(context, operation);
+		if (stepperOperationService != null) {
+			IStepContext stepContext = stepperOperationService.getStepContext(context, operation);
+			String stepGroupId = stepperOperationService.getStepGroupId(context, operation);
+			String name = stepperOperationService.getStepGroupName(context, operation);
+			boolean isCancelable = stepperOperationService.isCancelable(context, operation);
+
+			if (stepGroupId != null && stepContext != null) {
+				scheduleStepperJob(stepContext, data, stepGroupId, name, isCancelable);
+			}
+		}
+
+		return null;
+	}
+
+	abstract protected IPropertiesContainer getData(ExecutionEvent event);
+
+	abstract protected Object getContext(ExecutionEvent event, IPropertiesContainer data);
+
+	/**
+	 * Get the stepper service for the given context and operation.
+	 *
+	 * @param context The context.
+	 * @param operation The operation.
+	 * @return The stepper service or <code>null</code>.
+	 */
+	protected IStepperOperationService getStepperService(Object context, String operation) {
+		IService[] services = ServiceManager.getInstance().getServices(context, IStepperOperationService.class, false);
+		IStepperOperationService stepperOperationService = null;
+		for (IService service : services) {
+			if (service instanceof IStepperOperationService && ((IStepperOperationService)service).isHandledOperation(context, operation)) {
+				stepperOperationService = (IStepperOperationService)service;
+				break;
+			}
+        }
+		return stepperOperationService;
+	}
+
+	/**
+	 * Get the selection for the handler execution.
+	 *
+	 * @param event The event.
+	 * @return The selection.
+	 */
+	protected IStructuredSelection getSelection(ExecutionEvent event) {
+		// Get the current selection
+		ISelection selection = HandlerUtil.getCurrentSelection(event);
+
+		List<Object> elements = new ArrayList<Object>();
+		if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
+			Iterator<Object> iterator = ((IStructuredSelection)selection).iterator();
+			while (iterator.hasNext()) elements.add(iterator.next());
+		}
+
+		// Get the active part
+		IWorkbenchPart part = HandlerUtil.getActivePart(event);
+		// If the handler is invoked from an editor part, construct an artificial selection
+		// from the active editor input.
+		if (part instanceof EditorPart) {
+			IEditorInput input = ((EditorPart)part).getEditorInput();
+			Object element = input != null ? input.getAdapter(Object.class) : null;
+			if (element != null && !elements.contains(element)) elements.add(element);
+		}
+
+		selection = elements.isEmpty() ? new StructuredSelection() : new StructuredSelection(elements);
+
+		return (IStructuredSelection)selection;
+	}
+
+	/**
+	 * Schedule the stepper job.
+	 * @param stepContext The step context.
+	 * @param data The execution data.
+	 * @param stepGroupId The step group id to execute.
+	 * @param name The job name.
+	 * @param isCancelable <code>true</code> if the job should be cancelable.
+	 */
+	protected void scheduleStepperJob(IStepContext stepContext, IPropertiesContainer data, String stepGroupId, String name, boolean isCancelable) {
+		try {
+			StepperJob job = new StepperJob(name != null ? name : "", //$NON-NLS-1$
+											stepContext,
+											data,
+											stepGroupId,
+											operation,
+											isCancelable,
+											true);
+			job.schedule();
+		} catch (IllegalStateException e) {
+			if (Platform.inDebugMode()) {
+				UIPlugin.getDefault().getLog().log(StatusHelper.getStatus(e));
+			}
+		}
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.core.runtime.IExecutableExtension#setInitializationData(org.eclipse.core.runtime.IConfigurationElement, java.lang.String, java.lang.Object)
+	 */
+	@Override
+	public void setInitializationData(IConfigurationElement config, String propertyName, Object data) throws CoreException {
+		if (data instanceof Map) {
+			Map<?,?> dataMap = (Map<?,?>)data;
+			if (dataMap.get("operation") instanceof String) { //$NON-NLS-1$
+				this.operation = dataMap.get("operation").toString(); //$NON-NLS-1$
+			}
+			if (dataMap.get("adaptTo") instanceof String) { //$NON-NLS-1$
+				this.adaptTo = dataMap.get("adaptTo").toString(); //$NON-NLS-1$
+			}
+		}
+	}
+
+	public static IStructuredSelection getPartSelection(String partId) {
+		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		if (partId != null && window != null && window.getActivePage() != null) {
+			ISelection sel = window.getActivePage().getSelection(partId);
+
+			if (sel instanceof IStructuredSelection) {
+				return (IStructuredSelection)sel;
+			}
+		}
+		return null;
+	}
+
+	public static IStructuredSelection getEditorInputSelection() {
+		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		if (window != null && window.getActivePage() != null && window.getActivePage().getActiveEditor() != null) {
+			return new StructuredSelection(window.getActivePage().getActiveEditor().getEditorInput());
+		}
+		return null;
+	}
+}