Java tutorial
/////////////////////////////////////////////////////////////////////////////// // // PACKAGE : com.astra.ses.spell.gui.model.commands // // FILE : EditDictionary.java // // DATE : 2008-11-21 08:55 // // Copyright (C) 2008, 2014 SES ENGINEERING, Luxembourg S.A.R.L. // // By using this software in any way, you are agreeing to be bound by // the terms of this license. // // 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 // // NO WARRANTY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, THE PROGRAM IS PROVIDED // ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, EITHER // EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY WARRANTIES OR // CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A // PARTICULAR PURPOSE. Each Recipient is solely responsible for determining // the appropriateness of using and distributing the Program and assumes all // risks associated with its exercise of rights under this Agreement , // including but not limited to the risks and costs of program errors, // compliance with applicable laws, damage to or loss of data, programs or // equipment, and unavailability or interruption of operations. // // DISCLAIMER OF LIABILITY // EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY // CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION // LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) // ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE // EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE // POSSIBILITY OF SUCH DAMAGES. // // Contributors: // SES ENGINEERING - initial API and implementation and/or initial documentation // // PROJECT : SPELL // // SUBPROJECT: SPELL GUI Client // /////////////////////////////////////////////////////////////////////////////// package com.astra.ses.spell.gui.model.commands; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import com.astra.ses.spell.gui.core.exceptions.ContextError; import com.astra.ses.spell.gui.core.interfaces.ServiceManager; import com.astra.ses.spell.gui.dialogs.DictionaryEditorDialog; import com.astra.ses.spell.gui.dialogs.DictionaryNameDialog; import com.astra.ses.spell.gui.procs.interfaces.IProcedureManager; import com.astra.ses.spell.gui.procs.interfaces.model.IProcedure; import com.astra.ses.spell.gui.services.IRuntimeSettings; import com.astra.ses.spell.gui.services.IRuntimeSettings.RuntimeProperty; public class EditDictionary extends AbstractHandler { public static final String ID = "com.astra.ses.spell.gui.commands.EditDictionary"; /** Dictionary name argument */ public static final String ARG_DICTNAME = "com.astra.ses.spell.gui.commands.EditDictionary.dict"; /** Can mnerge files argument */ public static final String ARG_CANMERGE = "com.astra.ses.spell.gui.commands.EditDictionary.canmerge"; /*************************************************************************** * The constructor. **************************************************************************/ public EditDictionary() { } /*************************************************************************** * The command has been executed, so extract extract the needed information * from the application context. **************************************************************************/ public CommandResult execute(ExecutionEvent event) throws ExecutionException { IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); IRuntimeSettings svc = (IRuntimeSettings) ServiceManager.get(IRuntimeSettings.class); String procId = (String) svc.getRuntimeProperty(RuntimeProperty.ID_PROCEDURE_SELECTION); String dictname = event.getParameter(ARG_DICTNAME); String canMergeStr = event.getParameter(ARG_CANMERGE); boolean canMerge = false; if (canMergeStr != null) { canMerge = canMergeStr.equals("true"); } if (dictname == null) { DictionaryNameDialog dialog = new DictionaryNameDialog(window.getShell()); if (dialog.open() == IDialogConstants.OK_ID) { dictname = dialog.getSelectedDictionary(); } } if (dictname != null) { IProcedureManager pmgr = (IProcedureManager) ServiceManager.get(IProcedureManager.class); IProcedure proc = pmgr.getProcedure(procId); try { DictionaryEditorDialog dialog = new DictionaryEditorDialog(window.getShell(), proc, dictname, canMerge); dialog.open(); } catch (ContextError ex) { MessageDialog.openWarning(window.getShell(), "Error retrieving dictionary", ex.getMessage()); return CommandResult.FAILED; } } else { return CommandResult.CANCELLED; } return CommandResult.SUCCESS; } }