Java tutorial
/******************************************************************************* * Copyright (c) 2018 novcom AG * 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: * David Gutknecht - novcom AG *******************************************************************************/ package ch.novcom.elexis.mednet.plugin.ui.commands; import java.util.HashMap; import org.eclipse.core.commands.AbstractHandler; import org.eclipse.core.commands.Command; import org.eclipse.core.commands.ExecutionEvent; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.ParameterizedCommand; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.commands.ICommandService; import org.eclipse.ui.handlers.HandlerUtil; import org.eclipse.ui.handlers.IHandlerService; import ch.elexis.data.PersistentObject; import ch.novcom.elexis.mednet.plugin.data.ContactLinkRecord; import ch.novcom.elexis.mednet.plugin.ui.dialog.ContactLinkRecordEditDialog; //TODO FIX A BUG BY EDITING public class ContactLinkRecordEdit extends AbstractHandler { public static final String COMMANDID = "ch.novcom.elexis.mednet.plugin.data.contactlinkrecord.edit";//$NON-NLS-1$ public static final String PARAMETERID = "ch.novcom.elexis.mednet.plugin.data.contactlinkrecord.edit.selected";//$NON-NLS-1$ @Override public Object execute(ExecutionEvent event) throws ExecutionException { try { // get the parameter String param = event.getParameter(ContactLinkRecordEdit.PARAMETERID); PersistentObject contactLinkRecord = (PersistentObject) event.getCommand() .getParameterType(ContactLinkRecordEdit.PARAMETERID).getValueConverter().convertToObject(param); String objString = event.getCommand().getParameterType(ContactLinkRecordEdit.PARAMETERID) .getValueConverter().convertToString(param); // create and open the dialog with the parameter Shell parent = HandlerUtil.getActiveShell(event); MessageDialog.openInformation(parent, "Parameter", param); if (objString != null) { MessageDialog.openInformation(parent, "Parameter as String", objString); } ContactLinkRecordEditDialog dialog = new ContactLinkRecordEditDialog(parent, (ContactLinkRecord) contactLinkRecord); dialog.open(); } catch (Exception ex) { throw new RuntimeException(ContactLinkRecordEdit.COMMANDID, ex); } return null; } public static void executeWithParams(PersistentObject parameter) { try { // get the command IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); ICommandService cmdService = (ICommandService) window.getService(ICommandService.class); Command cmd = cmdService.getCommand(ContactLinkRecordEdit.COMMANDID); // create the parameter HashMap<String, Object> param = new HashMap<String, Object>(); param.put(ContactLinkRecordEdit.PARAMETERID, parameter); // build the parameterized command ParameterizedCommand pc = ParameterizedCommand.generateCommand(cmd, param); // execute the command IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench().getActiveWorkbenchWindow() .getService(IHandlerService.class); handlerService.executeCommand(pc, null); } catch (Exception ex) { throw new RuntimeException(ContactLinkRecordEdit.COMMANDID, ex); } } }