Tool download functionality.

plugin_ide.core/src-lang/melnorme/lang/ide/core/operations/AbstractToolManager.java

@@ -52,18 +52,23 @@ public Path getSDKToolPath(IProject project) throws CommonException {
 		return getSDKToolPathValidator().getValidatedPath(getSDKPathPreference(project));
 	}
 
-	protected String getSDKPathPreference(IProject project) {
+	public String getSDKPathPreference(IProject project) {
 		return ToolchainPreferences.SDK_PATH2.getEffectiveValue(project);
 	}
 
-	protected abstract PathValidator getSDKToolPathValidator();
+	public abstract PathValidator getSDKToolPathValidator();
 
 	/* -----------------  ----------------- */
 
 	public ProcessBuilder createSDKProcessBuilder(IProject project, String... sdkOptions)
-			throws CoreException, CommonException {
-		Location projectLocation = ResourceUtils.getProjectLocation(project);
+			throws CommonException {
 		Path sdkToolPath = getSDKToolPath(project);
+		return createToolProcessBuilder(project, sdkToolPath, sdkOptions);
+	}
+
+	public ProcessBuilder createToolProcessBuilder(IProject project, Path sdkToolPath, String... sdkOptions)
+			throws CommonException {
+		Location projectLocation = project == null ? null : ResourceUtils.getProjectLocation2(project);
 		return createToolProcessBuilder(sdkToolPath, projectLocation, sdkOptions);
 	}
 

plugin_ide.core/src-lang/melnorme/lang/ide/core/utils/operation/CommonOperationCallable.java

@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Bruno Medeiros and other Contributors.
+ * 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:
+ *     Bruno Medeiros - initial API and implementation
+ *******************************************************************************/
+package melnorme.lang.ide.core.utils.operation;
+
+import java.util.concurrent.Callable;
+
+import org.eclipse.core.runtime.CoreException;
+
+import melnorme.utilbox.concurrency.OperationCancellation;
+import melnorme.utilbox.core.CommonException;
+
+public interface CommonOperationCallable<RET> extends Callable<RET> {
+
+	@Override
+	RET call() throws CoreException, CommonException, OperationCancellation;
+
+}

plugin_ide.core/src-lang/melnorme/lang/ide/core/utils/operation/CommonProgressRunnable.java

@@ -0,0 +1,22 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Bruno Medeiros and other Contributors.
+ * 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:
+ *     Bruno Medeiros - initial API and implementation
+ *******************************************************************************/
+package melnorme.lang.ide.core.utils.operation;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+import melnorme.utilbox.concurrency.OperationCancellation;
+import melnorme.utilbox.core.CommonException;
+
+public interface CommonProgressRunnable {
+
+	void run(IProgressMonitor pm) throws CommonException, OperationCancellation;
+
+}

plugin_ide.core/src-lang/melnorme/lang/ide/core/utils/operation/EclipseCancelMonitor.java

@@ -12,14 +12,16 @@
 
 import melnorme.utilbox.concurrency.ICancelMonitor;
 
+import static melnorme.utilbox.core.Assert.AssertNamespace.assertNotNull;
+
 import org.eclipse.core.runtime.IProgressMonitor;
 
 public final class EclipseCancelMonitor implements ICancelMonitor {
 
 	protected final IProgressMonitor monitor;
 
 	public EclipseCancelMonitor(IProgressMonitor monitor) {
-		this.monitor = monitor;
+		this.monitor = assertNotNull(monitor);
 	}
 
 	@Override

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/LangUIMessages.java

@@ -18,8 +18,13 @@ public static String getFormattedString(String message, Object... args) {
 		return MessageFormat.format(message, args);
 	}	
 
+	public static String Error = 
+			"Error: ";
 	public static String InternalError = 
-			"Internal Error";
+			"Internal Error: ";
+	public static String InternalErrorOccured = 
+			"An internal error has occured.";
+
 
 	public static String LangPlugin_error = 
 			"UI plugin Error";

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/operations/StartBundleDownloadOperation.java

@@ -0,0 +1,118 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Bruno Medeiros and other Contributors.
+ * 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:
+ *     Bruno Medeiros - initial API and implementation
+ *******************************************************************************/
+package melnorme.lang.ide.ui.operations;
+
+
+import static melnorme.utilbox.core.Assert.AssertNamespace.assertNotNull;
+
+import org.eclipse.debug.core.DebugPlugin;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.IconAndMessageDialog;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
+
+import melnorme.lang.ide.core.LangCore;
+import melnorme.lang.ide.core.operations.AbstractToolManager;
+import melnorme.lang.ide.core.utils.operation.EclipseCancelMonitor;
+import melnorme.lang.ide.ui.utils.WorkbenchUtils;
+import melnorme.lang.ide.ui.utils.operations.BasicUIOperation;
+import melnorme.lang.ide.ui.utils.operations.RunOperationAsJob;
+import melnorme.util.swt.SWTFactory;
+import melnorme.utilbox.misc.ArrayUtil;
+
+public abstract class StartBundleDownloadOperation extends BasicUIOperation {
+
+	protected final AbstractToolManager toolMgr = LangCore.getToolManager();
+
+	public StartBundleDownloadOperation(String operationName) {
+		super(operationName);
+	}
+
+	protected void startProcessUnderJob(ProcessBuilder pb, String toolLocation) {
+		String cmdLineRender = DebugPlugin.renderArguments(ArrayUtil.createFrom(pb.command(), String.class), null);
+
+		startProcessUnderJob(pb, cmdLineRender, toolLocation);
+	}
+
+	protected void startProcessUnderJob(ProcessBuilder pb, String cmdLineRender, String toolLocation) {
+		boolean confirm = openIntroDialog(cmdLineRender, toolLocation);
+
+		if(confirm) {
+			scheduleDownloadJob(pb);
+		}
+	}
+
+	protected boolean openIntroDialog(String cmdLineRender, String toolLocation) {
+		Shell shell = WorkbenchUtils.getActiveWorkbenchShell();
+		IntroDialog introDialog = new IntroDialog(shell, operationName, cmdLineRender, toolLocation);
+		boolean confirm = introDialog.open() == Dialog.OK;
+		return confirm;
+	}
+
+	protected void scheduleDownloadJob(ProcessBuilder pb) {
+		new RunOperationAsJob(operationName, (pm) -> {
+			toolMgr.new RunEngineClientOperation(pb, new EclipseCancelMonitor(pm)).runProcess(null);
+			Display.getDefault().asyncExec(() -> afterDownloadJobCompletes_inUI());
+		}).schedule();
+	}
+
+	protected void afterDownloadJobCompletes_inUI() {
+	}
+
+	protected static class IntroDialog extends IconAndMessageDialog {
+
+		protected final String dialogTitle;
+		protected final String commandLine;
+		protected final String binLocation;
+
+		public IntroDialog(Shell parentShell, String dialogTitle, String commandLine, String binLocation) {
+			super(parentShell);
+			this.dialogTitle = assertNotNull(dialogTitle);
+			this.commandLine = assertNotNull(commandLine);
+			this.binLocation = assertNotNull(binLocation);;
+		}
+
+		@Override
+		protected void configureShell(Shell newShell) {
+			super.configureShell(newShell);
+			newShell.setText(dialogTitle);
+		}
+
+		@Override
+		protected Image getImage() {
+			return Display.getCurrent().getSystemImage(SWT.ICON_INFORMATION);
+		}
+
+		@Override
+		protected Control createDialogArea(Composite parent) {
+			Composite dialogArea = (Composite) super.createDialogArea(parent);
+			SWTFactory.createLabel(dialogArea, SWT.NONE, 
+					"The following process will be started in the background:");
+
+			SWTFactory.createReadonlyText(dialogArea, commandLine, 
+				GridDataFactory.fillDefaults().hint(600, SWT.DEFAULT).create());
+
+			SWTFactory.createLabel(dialogArea, SWT.NONE, 
+					"The executable will be located at:");
+
+			SWTFactory.createReadonlyText(dialogArea, binLocation, GridDataFactory.fillDefaults().create());
+
+			return dialogArea;
+		}
+
+	}
+
+}

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/preferences/pages/DownloadToolTextField.java

@@ -0,0 +1,88 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Bruno Medeiros and other Contributors.
+ * 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:
+ *     Bruno Medeiros - initial API and implementation
+ *******************************************************************************/
+package melnorme.lang.ide.ui.preferences.pages;
+
+import static melnorme.utilbox.core.CoreUtil.array;
+
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+
+import melnorme.lang.ide.ui.utils.ControlUtils;
+import melnorme.lang.ide.ui.utils.operations.BasicUIOperation;
+import melnorme.util.swt.SWTFactoryUtil;
+import melnorme.util.swt.SWTLayoutUtil;
+import melnorme.util.swt.SWTUtil;
+import melnorme.util.swt.WidgetSelectedRunner;
+import melnorme.util.swt.components.fields.ButtonTextField;
+import melnorme.util.swt.components.fields.FileTextField;
+import melnorme.util.swt.components.fields.SetFieldValueOperation;
+import melnorme.utilbox.concurrency.OperationCancellation;
+
+public abstract class DownloadToolTextField extends ButtonTextField {
+
+	protected String downloadButtonLabel;
+	protected Button downloadButton;
+
+	public DownloadToolTextField(String label, String downloadButtonLabel) {
+		this(label, FileTextField.DEFAULT_BUTTON_LABEL, downloadButtonLabel);
+	}
+
+	public DownloadToolTextField(String label, String buttonlabel, String downloadButtonLabel) {
+		super(label, buttonlabel);
+		this.downloadButtonLabel = downloadButtonLabel;
+	}
+
+	@Override
+	public int getPreferredLayoutColumns() {
+		return 4;
+	}
+
+	@Override
+	protected void createContents_all(Composite topControl) {
+		super.createContents_all(topControl);
+
+		createContents_DownloadButton(topControl);
+	}
+
+	@Override
+	protected void createContents_layout() {
+		SWTLayoutUtil.layoutControls(array(label, text, button, downloadButton), text, text);
+	}
+
+	@Override
+	protected void doSetEnabled(boolean enabled) {
+		super.doSetEnabled(enabled);
+		SWTUtil.setEnabledIfOk(downloadButton, enabled);
+	}
+
+	/* ----------------- Button ----------------- */
+
+	@Override
+	protected BasicUIOperation getButtonHandler() {
+		return new SetFieldValueOperation<String>(this, this::getNewValueFromButtonSelection2);
+	}
+
+	@Override
+	protected String getNewValueFromButtonSelection2() throws OperationCancellation {
+		return ControlUtils.openFileDialog(getFieldValue(), button.getShell());
+	}
+
+	/* -----------------  Download Button  ----------------- */
+
+	protected void createContents_DownloadButton(Composite topControl) {
+		downloadButton = SWTFactoryUtil.createPushButton(topControl, downloadButtonLabel, null);
+		downloadButton.addSelectionListener(new WidgetSelectedRunner(getDownloadButtonHandler()));
+	}
+
+
+	protected abstract BasicUIOperation getDownloadButtonHandler();
+
+}

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/utils/UIOperationErrorHandlerImpl.java

@@ -22,7 +22,6 @@
 import melnorme.lang.ide.core.LangCore;
 import melnorme.lang.ide.core.LangCore.StatusExt;
 import melnorme.lang.ide.core.utils.EclipseUtils;
-import melnorme.lang.ide.ui.LangUIMessages;
 import melnorme.lang.tooling.data.StatusException;
 import melnorme.lang.tooling.data.StatusLevel;
 
@@ -78,10 +77,6 @@ public void displayStatusMessage(String title, StatusLevel statusLevel, String m
 		handleStatus(false, null, title, new StatusException(statusLevel, message));
 	}
 
-	public final void handleInternalError(Shell shell, String message, Throwable exception) {
-		assertNotNull(message);
-		handleStatus(true, shell, LangUIMessages.InternalError, message, exception);
-	}
 
 
 	/* -----------------  ----------------- */

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/utils/UIOperationsStatusHandler.java

@@ -16,6 +16,7 @@
 
 import melnorme.lang.ide.core.LangCore;
 import melnorme.lang.ide.core.LangCoreMessages;
+import melnorme.lang.ide.ui.LangUIMessages;
 import melnorme.lang.tooling.data.StatusException;
 import melnorme.lang.tooling.data.StatusLevel;
 import melnorme.utilbox.core.CommonException;
@@ -45,16 +46,16 @@ public static void handleStatus(String title, StatusException status) {
 
 	/* -----------------  ----------------- */
 
-	public static void handleStatus(boolean logError, String dialogTitle, CoreException ce) {
-		handleStatus(logError, dialogTitle, LangCore.createCommonException(ce));
+	public static void handleStatus(boolean logError, String title, CoreException ce) {
+		handleStatus(logError, title, LangCore.createCommonException(ce));
 	}
 
-	public static void handleStatus(boolean logError, String dialogTitle, CommonException ce) {
-		handleStatus(logError, dialogTitle, ce.toStatusException(StatusLevel.ERROR));
+	public static void handleStatus(boolean logError, String title, CommonException ce) {
+		handleStatus(logError, title, ce.toStatusException(StatusLevel.ERROR));
 	}
 
-	public static void handleStatus(String dialogTitle, CommonException ce) {
-		handleStatus(false, dialogTitle, ce);
+	public static void handleStatus(String title, CommonException ce) {
+		handleStatus(false, title, ce);
 	}
 
 	/* -----------------  ----------------- */
@@ -68,11 +69,11 @@ public static void displayStatusMessage(String title, StatusLevel statusLevel, S
 	}
 
 	public static void handleInternalError(String message, Throwable exception) {
-		handler.handleInternalError(null, message, exception);
+		handleInternalError(null, message, exception);
 	}
 
 	public static void handleInternalError(Shell shell, String message, Throwable exception) {
-		handler.handleInternalError(shell, message, exception);
+		handler.handleStatus(true, shell, LangUIMessages.InternalError, message, exception);
 	}
 
 	public static void handleOperationStatus(String opName, CoreException ce) {

plugin_ide.ui/src-lang/melnorme/lang/ide/ui/utils/operations/BasicEditorOperation.java

@@ -31,7 +31,7 @@ public BasicEditorOperation(String operationName, IEditorPart editorPart) {
 	}
 
 	@Override
-	protected void handleStatus(CommonException ce) {
+	protected void handleError(CommonException ce) {
 		UIOperationsStatusHandler.handleOperationStatus(getOperationName(), ce);
 	}