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.preferences; import java.util.List; import java.text.MessageFormat; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.layout.TableColumnLayout; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.handlers.IHandlerService; import ch.elexis.admin.AccessControlDefaults; import ch.elexis.core.data.activator.CoreHub; import ch.elexis.core.ui.util.SWTHelper; import ch.elexis.data.Query; import ch.novcom.elexis.mednet.plugin.data.DocumentSettingRecord; import ch.novcom.elexis.mednet.plugin.messages.MedNetMessages; import ch.novcom.elexis.mednet.plugin.ui.commands.DocumentSettingRecordCreate; import ch.novcom.elexis.mednet.plugin.ui.commands.DocumentSettingRecordEdit; /** * Configuration for the Document part of MedNet */ public class DocumentPreferencePage extends PreferencePage implements IWorkbenchPreferencePage { private TableViewer tableViewer; private Table table; private String[] tableheaders = { MedNetMessages.DocumentPreferences_institutionName, MedNetMessages.DocumentPreferences_category, MedNetMessages.DocumentPreferences_path, MedNetMessages.DocumentPreferences_errorPath, MedNetMessages.DocumentPreferences_archivingPath, MedNetMessages.DocumentPreferences_archivingPurgeInterval }; private int[] tableColwidth = { 14, 14, 20, 20, 20, 4 }; /** * Standard Constructor */ public DocumentPreferencePage() { super(MedNetMessages.DocumentPreferences_title); } /* * (non-Javadoc) * * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench) */ @Override public void init(IWorkbench workbench) { // Nothing to initialize } /* * (non-Javadoc) * * @see * org.eclipse.jface.preference.FieldEditorPreferencePage#createContents(org.eclipse.swt.widgets * .Composite) */ @Override protected Control createContents(Composite parent) { noDefaultAndApplyButton(); Composite tableComposite = new Composite(parent, SWT.NONE); GridData gd = new GridData(); tableComposite.setLayoutData(gd); TableColumnLayout tableColumnLayout = new TableColumnLayout(); tableComposite.setLayout(tableColumnLayout); tableViewer = new TableViewer(tableComposite, SWT.BORDER | SWT.FULL_SELECTION); table = tableViewer.getTable(); for (int i = 0; i < tableheaders.length; i++) { TableColumn tc = new TableColumn(table, SWT.LEFT); tc.setText(tableheaders[i]); tableColumnLayout.setColumnData(tc, new ColumnWeightData(tableColwidth[i], true)); tc.setData(i); tc.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { tableViewer.refresh(true); } }); } table.setHeaderVisible(true); table.setLinesVisible(true); table.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true)); tableViewer.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(Object inputElement) { return DocumentSettingRecord.getAllDocumentSettingRecords().toArray(); } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); tableViewer.setLabelProvider(new ReceivingListLabelProvider()); tableViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { IStructuredSelection sel = (IStructuredSelection) tableViewer.getSelection(); Object o = sel.getFirstElement(); if (o instanceof DocumentSettingRecord) { DocumentSettingRecord li = (DocumentSettingRecord) o; DocumentSettingRecordEdit.executeWithParams(li); tableViewer.refresh(); } } }); tableViewer.setInput(this); return tableComposite; } static class ReceivingListLabelProvider extends ColumnLabelProvider implements ITableLabelProvider { public String getColumnText(Object element, int columnIndex) { DocumentSettingRecord documentSettingRecord = (DocumentSettingRecord) element; switch (columnIndex) { case 0: return documentSettingRecord.getInstitutionName(); case 1: return documentSettingRecord.getCategory(); case 2: return documentSettingRecord.getPath().toString(); case 3: return documentSettingRecord.getErrorPath().toString(); case 4: return documentSettingRecord.getArchivingPath().toString(); case 5: return String.valueOf(documentSettingRecord.getPurgeInterval()); default: return "?col?"; //$NON-NLS-1$ } } @Override public Image getColumnImage(Object element, int columnIndex) { // TODO Auto-generated method stub return null; } }; @Override protected void contributeButtons(Composite parent) { ((GridLayout) parent.getLayout()).numColumns++; Button bNewItem = new Button(parent, SWT.PUSH); bNewItem.setText(MedNetMessages.DocumentPreferences_new); bNewItem.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { try { // execute the command IHandlerService handlerService = (IHandlerService) PlatformUI.getWorkbench() .getActiveWorkbenchWindow().getService(IHandlerService.class); handlerService.executeCommand(DocumentSettingRecordCreate.COMMANDID, null); } catch (Exception ex) { throw new RuntimeException(DocumentSettingRecordCreate.COMMANDID, ex); } tableViewer.refresh(); } }); ((GridLayout) parent.getLayout()).numColumns++; Button bDelItem = new Button(parent, SWT.PUSH); bDelItem.setText(MedNetMessages.DocumentPreferences_delete); bDelItem.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { IStructuredSelection sel = (IStructuredSelection) tableViewer.getSelection(); Object o = sel.getFirstElement(); if (o instanceof DocumentSettingRecord) { DocumentSettingRecord li = (DocumentSettingRecord) o; if (MessageDialog.openQuestion(getShell(), MedNetMessages.DocumentPreferences_delete, MessageFormat.format(MedNetMessages.DocumentPreferences_reallyDelete, li.getLabel()))) { if (deleteRecord(li)) { li.delete(); tableViewer.remove(li); } else { MessageDialog.openWarning(getShell(), MedNetMessages.DocumentPreferences_delete, MedNetMessages.DocumentPreferences_deleteFailed); } } } } }); ((GridLayout) parent.getLayout()).numColumns++; Button bDelAllItems = new Button(parent, SWT.PUSH); bDelAllItems.setText(MedNetMessages.DocumentPreferences_deleteAll); bDelAllItems.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { if (SWTHelper.askYesNo(MedNetMessages.DocumentPreferences_reallyDeleteAll, MedNetMessages.DocumentPreferences_deleteAllExplain)) { Query<DocumentSettingRecord> qbli = new Query<DocumentSettingRecord>( DocumentSettingRecord.class); List<DocumentSettingRecord> items = qbli.execute(); boolean success = true; for (DocumentSettingRecord li : items) { if (deleteRecord(li)) { li.delete(); } else { success = false; } } if (!success) { MessageDialog.openWarning(getShell(), MedNetMessages.DocumentPreferences_deleteAll, MedNetMessages.DocumentPreferences_deleteAllFailed); } tableViewer.refresh(); } } }); if (CoreHub.acl.request(AccessControlDefaults.DELETE_LABITEMS) == false) { bDelAllItems.setEnabled(false); } } private boolean deleteRecord(DocumentSettingRecord li) { boolean ret = true; Query<DocumentSettingRecord> qbe = new Query<DocumentSettingRecord>(DocumentSettingRecord.class); qbe.add(DocumentSettingRecord.FLD_INSTITUTION_ID, "=", li.getInstitutionID()); //$NON-NLS-1$ //$NON-NLS-2$ List<DocumentSettingRecord> list = qbe.execute(); for (DocumentSettingRecord po : list) { // TODO Restore this point //if (CoreHub.getLocalLockService().acquireLock(po).isOk()) { po.delete(); /* CoreHub.getLocalLockService().releaseLock(po); } else { ret = false; }*/ } return ret; } @Override public Point computeSize() { return new Point(350, 350); } }