Java tutorial
/******************************************************************************* * Copyright (c) 2008, 2009 Internettechnik, FH JOANNEUM * http://www.fh-joanneum.at/itm * * Licenced under the GNU GENERAL PUBLIC LICENSE Version 2; * You may obtain a copy of the License at * http://www.gnu.org/licenses/gpl-2.0.txt * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. *******************************************************************************/ package at.rc.tacos.client.view; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeListener; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.dialogs.SelectionStatusDialog; import at.rc.tacos.client.Activator; import at.rc.tacos.client.jobs.FilterAddressJob; import at.rc.tacos.client.jobs.FilterPatientJob; import at.rc.tacos.client.modelManager.ModelFactory; import at.rc.tacos.client.providers.SickPersonContentProvider; import at.rc.tacos.client.providers.SickPersonLabelProvider; import at.rc.tacos.model.SickPerson; /** * Provides a selection dialog to choose a patient */ public class PatientSelectionDialog extends SelectionStatusDialog implements PropertyChangeListener { private TableViewer viewer; private Text filterText; private String initValue; /** * The scheduler job to start the filter */ private FilterPatientJob filterJob; /** * Defaul class constructor to set up a new patient select dialog * * @param parent */ public PatientSelectionDialog(String initValue, final Shell parent) { super(parent); setShellStyle(getShellStyle() | SWT.RESIZE); this.initValue = initValue; // listen to sick person updates ModelFactory.getInstance().getSickPersonManager().addPropertyChangeListener(this); } @Override public boolean close() { // cleanup the listeners ModelFactory.getInstance().getSickPersonManager().removePropertyChangeListener(this); // colse the dialog return super.close(); } @Override protected void configureShell(final Shell shell) { shell.setText("Patienten Suche"); super.configureShell(shell); } @Override protected Control createDialogArea(final Composite parent) { final Composite area = (Composite) super.createDialogArea(parent); final Label message = new Label(area, SWT.NONE); message.setText("&Bitte whlen Sie einen Patienten aus:\n"); filterText = new Text(area, SWT.SINGLE | SWT.BORDER); filterText.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false)); filterText.addModifyListener(new ModifyListener() { public void modifyText(final ModifyEvent e) { inputChanged(); } }); final Label matches = new Label(area, SWT.NONE); matches.setText("&Gefundene Patienten:"); Table table = new Table(area, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION); viewer = new TableViewer(table); final Control control = this.viewer.getControl(); final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true); control.setLayoutData(gd); gd.widthHint = 400; gd.heightHint = 200; viewer.getTable().setLinesVisible(true); viewer.getTable().setHeaderVisible(true); viewer.setLabelProvider(new SickPersonLabelProvider()); viewer.setContentProvider(new SickPersonContentProvider()); viewer.setInput(ModelFactory.getInstance().getSickPersonManager().getSickPersons()); viewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(final SelectionChangedEvent event) { if (!event.getSelection().isEmpty()) updateStatus(new Status(IStatus.INFO, Activator.PLUGIN_ID, ((SickPerson) ((IStructuredSelection) event.getSelection()).getFirstElement()) .getLastName() + " ausgewhlt")); else updateStatus( new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Bitte whlen Sie einen Patienten aus")); } }); // create the columns final TableColumn nameColumn = new TableColumn(table, SWT.NONE); nameColumn.setToolTipText("Nachname"); nameColumn.setWidth(80); nameColumn.setText("Nachname"); final TableColumn firstNameColumn = new TableColumn(table, SWT.NONE); firstNameColumn.setToolTipText("Vorname"); firstNameColumn.setWidth(80); firstNameColumn.setText("Vorname"); final TableColumn streetColumn = new TableColumn(table, SWT.NONE); streetColumn.setToolTipText("Strae"); streetColumn.setWidth(100); streetColumn.setText("Strae"); final TableColumn cityColumn = new TableColumn(table, SWT.NONE); cityColumn.setToolTipText("Stadt"); cityColumn.setWidth(70); cityColumn.setText("Stadt"); final TableColumn svnrColumn = new TableColumn(table, SWT.NONE); svnrColumn.setToolTipText("Sozialversicherungsnummer"); svnrColumn.setWidth(60); svnrColumn.setText("SVNR"); final TableColumn notesColumn = new TableColumn(table, SWT.NONE); notesColumn.setToolTipText("Notizen"); notesColumn.setWidth(80); notesColumn.setText("Notizen"); setStatusLineAboveButtons(true); // setup the initial value filterText.setText(initValue); return area; } @Override protected void computeResult() { setResult(((IStructuredSelection) viewer.getSelection()).toList()); } /** * This listener will be informed when the server sends new patients based * on the entered text */ @Override public void propertyChange(PropertyChangeEvent pce) { // listen to listing responses if ("SICKPERSON_ADD".equalsIgnoreCase((pce.getPropertyName())) || "SICKPERSON_UPDATE".equalsIgnoreCase((pce.getPropertyName()))) { viewer.refresh(true); final Object first = viewer.getElementAt(0); if (first != null) { PatientSelectionDialog.this.viewer.setSelection(new StructuredSelection(first)); updateStatus(new Status(IStatus.INFO, Activator.PLUGIN_ID, ((SickPerson) first).getLastName() + " ausgewhlt")); } else updateStatus( new Status(IStatus.ERROR, Activator.PLUGIN_ID, "Bitte whlen Sie einen Patienten aus")); } } // PRIVATE METHODS /** * Called when the input text of a filter is changes */ private void inputChanged() { // get the entered text String filterValue = filterText.getText().toLowerCase(); if (filterValue.trim().length() < 1) { updateStatus(new Status(Status.WARNING, Activator.PLUGIN_ID, "Bitte geben sie mindestens ein Zeichen des Nachnamens ein")); return; } updateStatus(new Status(IStatus.INFO, Activator.PLUGIN_ID, "Bitte whlen Sie einen Patienten aus")); if (filterJob == null) filterJob = new FilterPatientJob(viewer); // check the state if (filterJob.getState() == Job.RUNNING) { return; } // pass the entered text filterJob.setSearchString(filterValue); filterJob.schedule(FilterAddressJob.INTERVAL_KEY_PRESSED); } }