Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2010 IBM Corporation, Freescale Semiconductor 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 * Freescale Semiconductor - customized for use in CDT *******************************************************************************/ package org.eclipse.cdt.launch.internal.ui; import java.text.MessageFormat; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IStatus; import org.eclipse.debug.core.ILaunchConfiguration; import org.eclipse.debug.core.IStatusHandler; import org.eclipse.debug.internal.ui.DebugUIPlugin; import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; import org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsMessages; import org.eclipse.debug.ui.DebugUITools; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.MessageDialogWithToggle; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.swt.widgets.Shell; /** * This class is a customization of the platform's * CompileErrorProjectPromptStatusHandler. We use it to put up a more * CDT-centric message when building before a launch and there is an error in * the project. We want to let the user know what specific build configuration * is having a build error when the configuration is not the active one. * See https://bugs.eclipse.org/bugs/show_bug.cgi?id=309126#c11 */ public class BuildErrPrompter implements IStatusHandler { /** * Status code indicating there was an error in the main project. Linked to * BuildErrPrompter via our statusHandlers extension (see plugin.xml) */ public static final int STATUS_CODE_ERR_IN_MAIN_PROJ = 1002; /** * Status code indicating there was an error in a project referenced by the * main project. Linked to BuildErrPrompter via our statusHandlers extension * (see plugin.xml) */ public static final int STATUS_CODE_ERR_IN_REFERENCED_PROJS = 1003; /** * Source is an array of three things, in the following order * <ul> * <li>launch configuration that was invoked * <li>the name of the project the launch first attempted to build * <li>the name of the build configuration that was built, or empty string * if it was the active one. This argument should be non-empty ONLY if a * not-active configuration was built. * <ul> * * @see org.eclipse.debug.core.IStatusHandler#handleStatus(org.eclipse.core.runtime.IStatus, * java.lang.Object) */ @Override public Object handleStatus(IStatus status, Object source) throws CoreException { if (!(source instanceof Object[])) { assert false : "status handler not given expected arguments"; //$NON-NLS-1$ return Boolean.TRUE; } Object[] args = (Object[]) source; if (args.length != 3 || !(args[0] instanceof ILaunchConfiguration) || !(args[1] instanceof String) || !(args[2] instanceof String)) { assert false : "status handler not given expected arguments"; //$NON-NLS-1$ return Boolean.TRUE; } final ILaunchConfiguration launchConfig = (ILaunchConfiguration) args[0]; final String projectName = (String) args[1]; final String buildConfigName = (String) args[2]; // The platform does this check; we should, too if (DebugUITools.isPrivate(launchConfig)) { return Boolean.TRUE; } Shell shell = DebugUIPlugin.getShell(); String title = LaunchConfigurationsMessages.CompileErrorPromptStatusHandler_0; String message; if (status.getCode() == STATUS_CODE_ERR_IN_MAIN_PROJ) { if (buildConfigName.length() > 0) { message = MessageFormat.format(LaunchMessages.BuildErrPrompter_error_in_specific_config, projectName, buildConfigName); } else { message = MessageFormat.format(LaunchMessages.BuildErrPrompter_error_in_active_config, projectName); } } else if (status.getCode() == STATUS_CODE_ERR_IN_REFERENCED_PROJS) { if (buildConfigName.length() > 0) { message = MessageFormat.format(LaunchMessages.BuildErrPrompter_error_in_referenced_project_specific, projectName, buildConfigName); } else { message = MessageFormat.format(LaunchMessages.BuildErrPrompter_error_in_referenced_project_active, projectName); } } else { assert false : "this prompter was called for an unexpected status"; //$NON-NLS-1$ return Boolean.TRUE; } // The rest is monkey-see, monkey-do (copied from // CompileErrorProjectPromptStatusHandler) IPreferenceStore store = DebugUIPlugin.getDefault().getPreferenceStore(); String pref = store.getString(IInternalDebugUIConstants.PREF_CONTINUE_WITH_COMPILE_ERROR); if (pref != null) { if (pref.equals(MessageDialogWithToggle.ALWAYS)) { return Boolean.TRUE; } } MessageDialogWithToggle dialog = new MessageDialogWithToggle(shell, title, null, message, MessageDialog.QUESTION, new String[] { IDialogConstants.PROCEED_LABEL, IDialogConstants.CANCEL_LABEL }, 0, LaunchConfigurationsMessages.CompileErrorProjectPromptStatusHandler_1, false); int open = dialog.open(); if (open == IDialogConstants.PROCEED_ID) { if (dialog.getToggleState()) { store.setValue(IInternalDebugUIConstants.PREF_CONTINUE_WITH_COMPILE_ERROR, MessageDialogWithToggle.ALWAYS); } return Boolean.TRUE; } else { return Boolean.FALSE; } } }