Java tutorial
/******************************************************************************* * Copyright (c) 2006-2010, 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.views; import java.text.MessageFormat; import java.util.List; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.dialogs.MessageDialog; 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.LabelProvider; import org.eclipse.jface.viewers.ListViewer; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CTabItem; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.dnd.DropTargetEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.MessageBox; import org.eclipse.ui.ISaveablePart2; import org.eclipse.ui.PartInitException; import org.eclipse.ui.forms.widgets.Form; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.part.ViewPart; import ch.elexis.Desk; import ch.elexis.StringConstants; import ch.elexis.actions.CodeSelectorHandler; import ch.elexis.actions.ElexisEvent; import ch.elexis.actions.ElexisEventDispatcher; import ch.elexis.actions.ElexisEventListenerImpl; import ch.elexis.actions.GlobalActions; import ch.elexis.actions.GlobalEventDispatcher; import ch.elexis.actions.GlobalEventDispatcher.IActivationListener; import ch.elexis.actions.RestrictedAction; import ch.elexis.admin.AccessControlDefaults; import ch.elexis.core.icons.Images; import ch.elexis.data.Artikel; import ch.elexis.data.Brief; import ch.elexis.data.Fall; import ch.elexis.data.ICodeElement; import ch.elexis.data.Konsultation; import ch.elexis.data.OutputLog; import ch.elexis.data.Patient; import ch.elexis.data.PersistentObject; import ch.elexis.data.Prescription; import ch.elexis.data.Query; import ch.elexis.data.Rezept; import ch.elexis.dialogs.MediDetailDialog; import ch.elexis.exchange.IOutputter; import ch.elexis.util.Extensions; import ch.elexis.util.PersistentObjectDragSource; import ch.elexis.util.PersistentObjectDropTarget; import ch.elexis.util.SWTHelper; import ch.elexis.util.ViewMenus; import ch.elexis.views.codesystems.LeistungenView; import ch.rgw.tools.ExHandler; /** * Eine View zum Anzeigen von Rezepten. Links wird eine Liste mit allen Rezepten des aktuellen * Patienten angezeigt, rechts die Prescriptions des aktuellen Rezepts. * * @author Gerry */ public class RezepteView extends ViewPart implements IActivationListener, ISaveablePart2 { public static final String ID = "ch.elexis.Rezepte"; //$NON-NLS-1$ static final String ICON = "rezept_view"; //$NON-NLS-1$ private final FormToolkit tk = Desk.getToolkit(); private Form master; TableViewer tv; // Label ausgestellt; ListViewer lvRpLines; private Action newRpAction, deleteRpAction; private Action addLineAction, removeLineAction, changeMedicationAction; private ViewMenus menus; private Action printAction; private Patient actPatient; private PersistentObjectDropTarget dropTarget; private final ElexisEventListenerImpl eeli_pat = new ElexisEventListenerImpl(Patient.class) { public void runInUi(ElexisEvent ev) { if (ev.getType() == ElexisEvent.EVENT_SELECTED) { Patient newPatient = (Patient) ev.getObject(); if ((actPatient == null) || (!actPatient.equals(newPatient))) { actPatient = newPatient; ElexisEventDispatcher.getInstance() .fire(new ElexisEvent(null, Rezept.class, ElexisEvent.EVENT_DESELECTED)); addLineAction.setEnabled(false); printAction.setEnabled(false); tv.refresh(true); refresh(); master.setText(actPatient.getLabel()); } } else if (ev.getType() == ElexisEvent.EVENT_DESELECTED) { actPatient = null; ElexisEventDispatcher.clearSelection(Rezept.class); refresh(); } } }; private final ElexisEventListenerImpl eeli_rp = new ElexisEventListenerImpl(Rezept.class, ElexisEvent.EVENT_SELECTED | ElexisEvent.EVENT_UPDATE) { public void runInUi(ElexisEvent ev) { if (ev.getType() == ElexisEvent.EVENT_SELECTED) { actPatient = ((Rezept) ev.getObject()).getPatient(); refresh(); } else if (ev.getType() == ElexisEvent.EVENT_UPDATE) { actPatient = ((Rezept) ev.getObject()).getPatient(); tv.refresh(true); } } }; @Override public void createPartControl(final Composite parent) { Image icon = Desk.getImage(ICON); if (icon != null) { setTitleImage(icon); } parent.setLayout(new GridLayout()); master = tk.createForm(parent); master.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true)); master.getBody().setLayout(new FillLayout()); SashForm sash = new SashForm(master.getBody(), SWT.NONE); tv = new TableViewer(sash, SWT.V_SCROLL | SWT.FULL_SELECTION); tv.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(final Object inputElement) { Query<Rezept> qbe = new Query<Rezept>(Rezept.class); /* * Patient act = (Patient) ElexisEventDispatcher .getSelected(Patient.class); */ if (actPatient != null) { qbe.add(Rezept.PATIENT_ID, Query.EQUALS, actPatient.getId()); qbe.orderBy(true, new String[] { Rezept.DATE, PersistentObject.FLD_LASTUPDATE }); List<Rezept> list = qbe.execute(); return list.toArray(); } else { return new Object[0]; } } public void dispose() { /* leer */ } public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { /* leer */ } }); tv.setLabelProvider(new LabelProvider() { @Override public String getText(final Object element) { if (element instanceof Rezept) { Rezept rp = (Rezept) element; return rp.getLabel(); } return element.toString(); } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object ) */ @Override public Image getImage(Object element) { List<OutputLog> outputs = OutputLog.getOutputs((PersistentObject) element); if (outputs != null && outputs.size() > 0) { OutputLog o = outputs.get(0); String outputterID = o.getOutputterID(); IOutputter io = OutputLog.getOutputter(outputterID); if (io != null) { return io.getSymbol(); } } return null; } }); tv.addSelectionChangedListener(GlobalEventDispatcher.getInstance().getDefaultListener()); lvRpLines = new ListViewer(sash); makeActions(); menus = new ViewMenus(getViewSite()); // menus.createToolbar(newRpAction, addLineAction, printAction ); menus.createMenu(newRpAction, addLineAction, printAction, deleteRpAction); menus.createViewerContextMenu(lvRpLines, removeLineAction, changeMedicationAction); // make selection of prescription viewer available for commands of context menu getSite().setSelectionProvider(lvRpLines); IToolBarManager tm = getViewSite().getActionBars().getToolBarManager(); List<IAction> importers = Extensions.getClasses(Extensions.getExtensions("ch.elexis.RezeptHook"), //$NON-NLS-1$ "RpToolbarAction", false); //$NON-NLS-1$ for (IAction ac : importers) { tm.add(ac); } if (importers.size() > 0) { tm.add(new Separator()); } tm.add(newRpAction); tm.add(addLineAction); tm.add(printAction); tv.setInput(getViewSite()); /* Implementation Drag&Drop */ PersistentObjectDropTarget.IReceiver dtr = new PersistentObjectDropTarget.IReceiver() { public boolean accept(PersistentObject o) { // TODO Auto-generated method stub return true; } public void dropped(PersistentObject o, DropTargetEvent ev) { Rezept actR = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); if (actR == null) { SWTHelper.showError(Messages.getString("RezepteView.NoPrescriptionSelected"), //$NON-NLS-1$ Messages.getString("RezepteView.PleaseChoosaAPrescription")); //$NON-NLS-1$ return; } if (o instanceof Artikel) { Artikel art = (Artikel) o; Prescription p = new Prescription(art, actR.getPatient(), StringConstants.EMPTY, StringConstants.EMPTY); p.setBeginDate(null); actR.addPrescription(p); refresh(); } else if (o instanceof Prescription) { Prescription pre = (Prescription) o; Prescription now = new Prescription(pre.getArtikel(), actR.getPatient(), pre.getDosis(), pre.getBemerkung()); now.setBeginDate(null); actR.addPrescription(now); refresh(); } } }; // final TextTransfer textTransfer = TextTransfer.getInstance(); // Transfer[] types = new Transfer[] {textTransfer}; dropTarget = new PersistentObjectDropTarget("Rezept", lvRpLines.getControl(), dtr); //$NON-NLS-1$ lvRpLines.setContentProvider(new RezeptContentProvider()); lvRpLines.setLabelProvider(new RezeptLabelProvider()); lvRpLines.getControl().setToolTipText(Messages.getString("RezepteView.DragMedicamentsHere")); //$NON-NLS-1$ /* lvRpLines.addDragSupport(DND.DROP_COPY,types, */ new PersistentObjectDragSource(lvRpLines); lvRpLines.setInput(getViewSite()); addLineAction.setEnabled(false); printAction.setEnabled(false); GlobalEventDispatcher.addActivationListener(this, this); tv.addDoubleClickListener(new IDoubleClickListener() { @Override public void doubleClick(DoubleClickEvent event) { try { RezeptBlatt rp = (RezeptBlatt) getViewSite().getPage().showView(RezeptBlatt.ID); Rezept actR = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); Brief rpBrief = actR.getBrief(); if (rpBrief != null) { // existing - just reads prescriptiom and opens RezeptBlatt rp.loadRezeptFromDatabase(actR, rpBrief); } else { // not existing - create prescription and opens RezeptBlatt rp.createRezept(actR); } } catch (Throwable ex) { ExHandler.handle(ex); } } }); } @Override public void setFocus() { // TODO Auto-generated method stub } @Override public void dispose() { GlobalEventDispatcher.removeActivationListener(this, this); tv.removeSelectionChangedListener(GlobalEventDispatcher.getInstance().getDefaultListener()); } public void refresh() { Rezept rp = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); if (rp == null) { lvRpLines.refresh(true); addLineAction.setEnabled(false); printAction.setEnabled(false); } else { lvRpLines.refresh(true); addLineAction.setEnabled(true); printAction.setEnabled(true); master.setText(rp.getPatient().getLabel()); } } private void makeActions() { newRpAction = new Action(Messages.getString("RezepteView.newPrescriptionAction")) { //$NON-NLS-1$ { setImageDescriptor(Images.IMG_NEW.getImageDescriptor()); setToolTipText(Messages.getString("RezepteView.newPrescriptonTooltip")); //$NON-NLS-1$ } @Override public void run() { Patient act = (Patient) ElexisEventDispatcher.getSelected(Patient.class); if (act == null) { MessageBox mb = new MessageBox(getViewSite().getShell(), SWT.ICON_INFORMATION | SWT.OK); mb.setText(Messages.getString("RezepteView.newPrescriptionError")); //$NON-NLS-1$ mb.setMessage(Messages.getString("RezepteView.noPatientSelected")); //$NON-NLS-1$ mb.open(); return; } Fall fall = (Fall) ElexisEventDispatcher.getSelected(Fall.class); if (fall == null) { Konsultation k = act.getLetzteKons(false); if (k == null) { SWTHelper.alert(Messages.getString("RezepteView.noCaseSelected"), //$NON-NLS-1$ Messages.getString("RezepteView.pleaseCreateOrChooseCase")); //$NON-NLS-1$ return; } else { fall = k.getFall(); } } new Rezept(act); tv.refresh(); } }; deleteRpAction = new Action(Messages.getString("RezepteView.deletePrescriptionActiom")) { //$NON-NLS-1$ @Override public void run() { Rezept rp = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); if (MessageDialog.openConfirm(getViewSite().getShell(), Messages.getString("RezepteView.deletePrescriptionActiom"), //$NON-NLS-1$ MessageFormat.format(Messages.getString("RezepteView.deletePrescriptionConfirm"), rp //$NON-NLS-1$ .getDate()))) { rp.delete(); tv.refresh(); } } }; removeLineAction = new Action(Messages.getString("RezepteView.deleteLineAction")) { //$NON-NLS-1$ @Override public void run() { Rezept rp = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); IStructuredSelection sel = (IStructuredSelection) lvRpLines.getSelection(); Prescription p = (Prescription) sel.getFirstElement(); if ((rp != null) && (p != null)) { rp.removePrescription(p); lvRpLines.refresh(); } /* * RpZeile z=(RpZeile)sel.getFirstElement(); if((rp!=null) && (z!=null)){ * rp.removeLine(z); lvRpLines.refresh(); } */ } }; addLineAction = new Action(Messages.getString("RezepteView.newLineAction")) { //$NON-NLS-1$ @Override public void run() { try { LeistungenView lv1 = (LeistungenView) getViewSite().getPage().showView(LeistungenView.ID); CodeSelectorHandler.getInstance().setCodeSelectorTarget(dropTarget); CTabItem[] tabItems = lv1.ctab.getItems(); for (CTabItem tab : tabItems) { ICodeElement ics = (ICodeElement) tab.getData(); if (ics instanceof Artikel) { lv1.ctab.setSelection(tab); break; } } } catch (PartInitException ex) { ExHandler.handle(ex); } } }; printAction = new Action(Messages.getString("RezepteView.printAction")) { //$NON-NLS-1$ @Override public void run() { try { RezeptBlatt rp = (RezeptBlatt) getViewSite().getPage().showView(RezeptBlatt.ID); Rezept actR = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); Brief rpBrief = actR.getBrief(); if (rpBrief == null) // not yet created - just create a new Rezept rp.createRezept(actR); else { // Brief for Rezept already exists: // ask if it should be recreated or just shown String[] dialogButtonLabels = { Messages.getString("RezepteView.RecreatePrescription"), //$NON-NLS-1$ Messages.getString("RezepteView.ShowPrescription"), //$NON-NLS-1$ Messages.getString("RezepteView.PrescriptionCancel") //$NON-NLS-1$ }; MessageDialog msg = new MessageDialog(null, Messages.getString("RezepteView.CreatePrescription"), //$NON-NLS-1$ null, Messages.getString("RezepteView.ReallyWantToRecreatePrescription"), //$NON-NLS-1$ MessageDialog.WARNING, dialogButtonLabels, 2); int result = msg.open(); switch (result) { case 0: // recreate rezept rp.createRezept(actR); break; case 1: // open rezept rp.loadRezeptFromDatabase(actR, rpBrief); break; case 2: // cancel or closebox - do nothing break; } } } catch (Exception ex) { ExHandler.handle(ex); } } }; changeMedicationAction = new RestrictedAction(AccessControlDefaults.MEDICATION_MODIFY, Messages.getString("RezepteView.ChangeLink")) { //$NON-NLS-1$ { setImageDescriptor(Images.IMG_EDIT.getImageDescriptor()); setToolTipText(Messages.getString("RezepteView.ChangeTooltip")); //$NON-NLS-1$ } public void doRun() { Rezept rp = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); IStructuredSelection sel = (IStructuredSelection) lvRpLines.getSelection(); Prescription pr = (Prescription) sel.getFirstElement(); if (pr != null) { new MediDetailDialog(getViewSite().getShell(), pr).open(); lvRpLines.refresh(); } } }; addLineAction.setImageDescriptor(Images.IMG_ADDITEM.getImageDescriptor()); printAction.setImageDescriptor(Images.IMG_PRINTER.getImageDescriptor()); deleteRpAction.setImageDescriptor(Images.IMG_DELETE.getImageDescriptor()); } public void activation(final boolean mode) { // TODO Auto-generated method stub } public void visible(final boolean mode) { if (mode == true) { ElexisEventDispatcher.getInstance().addListeners(eeli_pat, eeli_rp); Rezept actRezept = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); Patient global = (Patient) ElexisEventDispatcher.getSelected(Patient.class); if (global != null) { if ((actRezept == null) || (!actRezept.getPatient().getId().equals(global.getId()))) { eeli_pat.catchElexisEvent(new ElexisEvent(global, Patient.class, ElexisEvent.EVENT_SELECTED)); } else { eeli_rp.catchElexisEvent(new ElexisEvent(actRezept, Rezept.class, ElexisEvent.EVENT_SELECTED)); } addLineAction.setEnabled(actRezept != null); } } else { ElexisEventDispatcher.getInstance().removeListeners(eeli_pat, eeli_rp); } } private static class RezeptContentProvider implements IStructuredContentProvider { public Object[] getElements(final Object inputElement) { Rezept rp = (Rezept) ElexisEventDispatcher.getSelected(Rezept.class); if (rp == null) { return new Prescription[0]; } List<Prescription> list = rp.getLines(); return list.toArray(); } public void dispose() { /* leer */ } public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { /* leer */ } } private static class RezeptLabelProvider extends LabelProvider { @Override public String getText(final Object element) { if (element instanceof Prescription) { Prescription z = (Prescription) element; return z.getLabel(); } return "?"; //$NON-NLS-1$ } } public void clearEvent(final Class<? extends PersistentObject> template) { lvRpLines.refresh(); } /* * Die folgenden 6 Methoden implementieren das Interface ISaveablePart2 Wir bentigen das * Interface nur, um das Schliessen einer View zu verhindern, wenn die Perspektive fixiert ist. * Gibt es da keine einfachere Methode? */ public int promptToSaveOnClose() { return GlobalActions.fixLayoutAction.isChecked() ? ISaveablePart2.CANCEL : ISaveablePart2.NO; } public void doSave(final IProgressMonitor monitor) { /* leer */ } public void doSaveAs() { /* leer */ } public boolean isDirty() { return true; } public boolean isSaveAsAllowed() { return false; } public boolean isSaveOnCloseNeeded() { return true; } }