Java tutorial
/******************************************************************************* * Copyright (c) 2008-2011, G. Weirich and Elexis * 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: * G. Weirich - initial implementation * *******************************************************************************/ package ch.elexis.core.ui.contacts.preferences; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.layout.TableColumnLayout; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.CellLabelProvider; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.ComboBoxCellEditor; import org.eclipse.jface.viewers.EditingSupport; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.viewers.ViewerCell; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Menu; import org.eclipse.swt.widgets.MenuItem; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchPreferencePage; import ch.elexis.admin.AccessControlDefaults; import ch.elexis.core.data.activator.CoreHub; import ch.elexis.core.types.LocalizeUtil; import ch.elexis.core.types.RelationshipType; import ch.elexis.core.ui.UiDesk; import ch.elexis.core.ui.contacts.dialogs.BezugsKontaktAuswahl; import ch.elexis.core.ui.contacts.views.Patientenblatt2; import ch.elexis.core.ui.icons.Images; import ch.elexis.core.ui.preferences.SettingsPreferenceStore; import ch.elexis.core.ui.views.Messages; import ch.elexis.data.BezugsKontaktRelation; public class BezugsKontaktSettings extends PreferencePage implements IWorkbenchPreferencePage { private TableViewer tableViewer; private Table tableBezugsKontaktRelations; private Set<String> updateExistingEntriesIds = new HashSet<>(); private List<BezugsKontaktRelation> initalValues = new ArrayList<>(); private final boolean allowEditing; public BezugsKontaktSettings() { noDefaultAndApplyButton(); setTitle(Messages.Bezugskontakt_Title); this.allowEditing = CoreHub.acl.request(AccessControlDefaults.ADMIN); } @Override protected Control createContents(Composite parent) { updateExistingEntriesIds.clear(); Composite container = new Composite(parent, SWT.NULL); container.setLayout(new GridLayout(1, false)); Group group = new Group(container, SWT.NONE); group.setLayout(new GridLayout(1, false)); group.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1)); group.setText(Messages.Bezugskontakt_Definition); Composite composite = new Composite(group, SWT.NONE); GridData gd_composite = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); gd_composite.heightHint = 300; composite.setLayoutData(gd_composite); TableColumnLayout tcl_composite = new TableColumnLayout(); composite.setLayout(tcl_composite); tableViewer = new TableViewer(composite, SWT.BORDER | SWT.FULL_SELECTION); tableViewer.setContentProvider(ArrayContentProvider.getInstance()); tableBezugsKontaktRelations = tableViewer.getTable(); tableBezugsKontaktRelations.setHeaderVisible(true); tableBezugsKontaktRelations.setLinesVisible(true); if (allowEditing) { Menu menu = new Menu(tableBezugsKontaktRelations); tableBezugsKontaktRelations.setMenu(menu); MenuItem mntmAddBezugsKontaktRelation = new MenuItem(menu, SWT.NONE); mntmAddBezugsKontaktRelation.setText(Messages.Bezugskontakt_Add); mntmAddBezugsKontaktRelation.setImage(Images.IMG_NEW.getImage()); mntmAddBezugsKontaktRelation.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { BezugsKontaktRelation bezugsKontaktRelation = new BezugsKontaktRelation("", RelationshipType.AGENERIC, RelationshipType.AGENERIC); tableViewer.add(bezugsKontaktRelation); tableViewer.setSelection(new StructuredSelection(bezugsKontaktRelation)); } }); MenuItem mntmRemoveBezugsKontaktRelation = new MenuItem(menu, SWT.NONE); mntmRemoveBezugsKontaktRelation.setText(Messages.Bezugskontakt_Delete); mntmRemoveBezugsKontaktRelation.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { int selectionsIdx = tableViewer.getTable().getSelectionIndex(); if (selectionsIdx != -1) { boolean ret = MessageDialog.openQuestion(UiDesk.getTopShell(), Messages.Bezugskontakt_ConfirmDelete, Messages.Bezugskontakt_ConfirmDeleteText); if (ret) { tableViewer.getTable().remove(selectionsIdx); } } } }); } TableViewerColumn viewCol = new TableViewerColumn(tableViewer, SWT.NONE); TableColumn col = viewCol.getColumn(); tcl_composite.setColumnData(col, new ColumnWeightData(1, 140)); col.setText(Messages.BezugsKonktat_Reference); col.setToolTipText(Messages.Bezugskontakt_ReferenceTooltip); viewCol.setLabelProvider(new CellLabelProvider() { @Override public void update(ViewerCell cell) { BezugsKontaktRelation s = (BezugsKontaktRelation) cell.getElement(); if (s == null) return; cell.setText(s.getName()); } }); viewCol.setEditingSupport(new EditingSupport(tableViewer) { @Override protected void setValue(Object element, Object value) { if (element instanceof BezugsKontaktRelation) { String newName = String.valueOf(value); BezugsKontaktRelation tableData = null; for (TableItem tableItem : tableViewer.getTable().getItems()) { tableData = (BezugsKontaktRelation) tableItem.getData(); if (tableData != null && !tableData.equals(element) && !tableData.getName().isEmpty() && newName.equalsIgnoreCase(tableData.getName())) { MessageDialog.openError(UiDesk.getTopShell(), "", Messages.Bezugskontakt_NameMustBeUnique); return; } } BezugsKontaktRelation bezugsKontaktRelation = (BezugsKontaktRelation) element; if (!bezugsKontaktRelation.getName().equals(newName)) { bezugsKontaktRelation.setName(newName); getViewer().update(bezugsKontaktRelation, null); openConfirmUpdateExistingData(bezugsKontaktRelation); } } } @Override protected Object getValue(Object element) { if (element instanceof BezugsKontaktRelation) { return ((BezugsKontaktRelation) element).getName(); } return null; } @Override protected CellEditor getCellEditor(Object element) { return new TextCellEditor(tableViewer.getTable()); } @Override protected boolean canEdit(Object element) { return allowEditing; } }); viewCol = new TableViewerColumn(tableViewer, SWT.NONE); col = viewCol.getColumn(); tcl_composite.setColumnData(col, new ColumnWeightData(0, 140)); col.setText(Messages.Bezugskontakt_RelationFrom); viewCol.setLabelProvider(new CellLabelProvider() { @Override public void update(ViewerCell cell) { BezugsKontaktRelation s = (BezugsKontaktRelation) cell.getElement(); if (s == null) return; cell.setText(LocalizeUtil.getLocaleText(s.getDestRelationType())); } }); viewCol.setEditingSupport(new EditingSupport(tableViewer) { @Override protected void setValue(Object element, Object value) { if (element instanceof BezugsKontaktRelation && value instanceof Integer) { BezugsKontaktRelation bezugsKontaktRelation = (BezugsKontaktRelation) element; RelationshipType[] allRelationshipTypes = RelationshipType.values(); if ((int) value != -1 && !bezugsKontaktRelation.getDestRelationType() .equals(allRelationshipTypes[(int) value])) { bezugsKontaktRelation.setDestRelationType(allRelationshipTypes[(int) value]); getViewer().update(bezugsKontaktRelation, null); openConfirmUpdateExistingData(bezugsKontaktRelation); } } } @Override protected Object getValue(Object element) { if (element instanceof BezugsKontaktRelation) { BezugsKontaktRelation bezugsKontaktRelation = (BezugsKontaktRelation) element; RelationshipType relationshipType = bezugsKontaktRelation.getDestRelationType(); if (relationshipType != null) { return relationshipType.getValue(); } } return 0; } @Override protected CellEditor getCellEditor(Object element) { return new ComboBoxCellEditor(tableViewer.getTable(), BezugsKontaktAuswahl.getBezugKontaktTypes(), SWT.NONE); } @Override protected boolean canEdit(Object element) { return allowEditing; } }); viewCol = new TableViewerColumn(tableViewer, SWT.NONE); col = viewCol.getColumn(); tcl_composite.setColumnData(col, new ColumnWeightData(0, 140)); col.setText(Messages.Bezugskontakt_RelationTo); viewCol.setLabelProvider(new CellLabelProvider() { @Override public void update(ViewerCell cell) { BezugsKontaktRelation s = (BezugsKontaktRelation) cell.getElement(); if (s == null) return; cell.setText(LocalizeUtil.getLocaleText(s.getSrcRelationType())); } }); viewCol.setEditingSupport(new EditingSupport(tableViewer) { @Override protected void setValue(Object element, Object value) { if (element instanceof BezugsKontaktRelation && value instanceof Integer) { BezugsKontaktRelation bezugsKontaktRelation = (BezugsKontaktRelation) element; RelationshipType[] allRelationshipTypes = RelationshipType.values(); if ((int) value != -1 && !bezugsKontaktRelation.getSrcRelationType() .equals(allRelationshipTypes[(int) value])) { bezugsKontaktRelation.setSrcRelationType(allRelationshipTypes[(int) value]); getViewer().update(bezugsKontaktRelation, null); openConfirmUpdateExistingData(bezugsKontaktRelation); } } } @Override protected Object getValue(Object element) { if (element instanceof BezugsKontaktRelation) { BezugsKontaktRelation bezugsKontaktRelation = (BezugsKontaktRelation) element; RelationshipType relationshipType = bezugsKontaktRelation.getSrcRelationType(); if (relationshipType != null) { return relationshipType.getValue(); } } return 0; } @Override protected CellEditor getCellEditor(Object element) { return new ComboBoxCellEditor(tableViewer.getTable(), BezugsKontaktAuswahl.getBezugKontaktTypes(), SWT.NONE); } @Override protected boolean canEdit(Object element) { return allowEditing; } }); ; tableViewer .setInput(loadBezugKonkaktTypes(CoreHub.globalCfg.get(Patientenblatt2.CFG_BEZUGSKONTAKTTYPEN, ""))); return container; } private List<BezugsKontaktRelation> loadBezugKonkaktTypes(String cfgBezugKonktaks) { List<BezugsKontaktRelation> bezugsKontaktRelations = new ArrayList<>(); initalValues.clear(); for (String cfgPart : cfgBezugKonktaks.split(Patientenblatt2.SPLITTER)) { BezugsKontaktRelation bezugsKontaktRelation = new BezugsKontaktRelation(); bezugsKontaktRelation.loadValuesByCfg(cfgPart); initalValues.add(bezugsKontaktRelation); bezugsKontaktRelations.add(new BezugsKontaktRelation(bezugsKontaktRelation)); } return bezugsKontaktRelations; } @Override public void init(IWorkbench workbench) { setPreferenceStore(new SettingsPreferenceStore(CoreHub.globalCfg)); } @Override protected void performApply() { setErrorMessage(null); super.performApply(); } @Override public boolean performOk() { if (allowEditing) { StringBuffer cfg = new StringBuffer(); BezugsKontaktRelation bezugsKontaktRelation = null; boolean firstElement = true; for (TableItem tableItem : tableViewer.getTable().getItems()) { bezugsKontaktRelation = (BezugsKontaktRelation) tableItem.getData(); if (bezugsKontaktRelation != null) { if (firstElement) { firstElement = false; } else { cfg.append(Patientenblatt2.SPLITTER); } cfg.append(bezugsKontaktRelation.getCfgString()); if (updateExistingEntriesIds.contains(bezugsKontaktRelation.getId())) { updateExistingEntries(bezugsKontaktRelation); } } } CoreHub.globalCfg.set(Patientenblatt2.CFG_BEZUGSKONTAKTTYPEN, cfg.toString()); } return super.performOk(); } private void updateExistingEntries(BezugsKontaktRelation newBezugsKontaktRelation) { BezugsKontaktRelation initalBezugKonktaktRelation = getInitalBezugKontakt(newBezugsKontaktRelation.getId()); if (initalBezugKonktaktRelation != null) { initalBezugKonktaktRelation.updateToNewBezugKontakt(newBezugsKontaktRelation); } } private BezugsKontaktRelation getInitalBezugKontakt(String id) { for (BezugsKontaktRelation initalBezugKonktaktRelation : initalValues) { if (initalBezugKonktaktRelation.getId().equals(id)) { return initalBezugKonktaktRelation; } } return null; } private void openConfirmUpdateExistingData(BezugsKontaktRelation bezugsKontaktRelation) { if (!updateExistingEntriesIds.contains(bezugsKontaktRelation.getId())) { BezugsKontaktRelation initalBezugKonktaktRelation = getInitalBezugKontakt( bezugsKontaktRelation.getId()); if (initalBezugKonktaktRelation != null) { boolean ret = MessageDialog.openQuestion(UiDesk.getTopShell(), "", Messages.Bezugskontakt_ConfirmUpdateExisting); if (ret) { updateExistingEntriesIds.add(bezugsKontaktRelation.getId()); } } } } }