Java tutorial
/******************************************************************************* * Copyright (c) 2005-2009, 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 * Joerg M. Sigle (js, jsigle) - bug fixes * *******************************************************************************/ package ch.elexis.core.ui.views; import java.text.MessageFormat; import java.util.ArrayList; import java.util.List; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.EditingSupport; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.Clipboard; import org.eclipse.swt.dnd.DND; import org.eclipse.swt.dnd.DropTargetAdapter; import org.eclipse.swt.dnd.DropTargetEvent; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.dnd.Transfer; 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.Table; 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.core.constants.StringConstants; import ch.elexis.core.data.activator.CoreHub; import ch.elexis.core.data.util.Extensions; import ch.elexis.core.ui.UiDesk; import ch.elexis.core.ui.actions.GlobalActions; import ch.elexis.core.ui.constants.ExtensionPointConstantsUi; import ch.elexis.core.ui.dialogs.DailyOrderDialog; import ch.elexis.core.ui.dialogs.NeueBestellungDialog; import ch.elexis.core.ui.dialogs.OrderImportDialog; import ch.elexis.core.ui.dialogs.SelectBestellungDialog; import ch.elexis.core.ui.editors.KontaktSelektorDialogCellEditor; import ch.elexis.core.ui.editors.PersistentObjectEditingSupport; import ch.elexis.core.ui.exchange.IDataSender; import ch.elexis.core.ui.exchange.XChangeException; import ch.elexis.core.ui.icons.Images; import ch.elexis.core.ui.util.SWTHelper; import ch.elexis.core.ui.util.ViewMenus; import ch.elexis.data.Artikel; import ch.elexis.data.Bestellung; import ch.elexis.data.BestellungEntry; import ch.elexis.data.Kontakt; import ch.elexis.data.PersistentObject; import ch.elexis.data.Query; import ch.elexis.data.Stock; import ch.elexis.data.StockEntry; import ch.rgw.tools.ExHandler; public class BestellView extends ViewPart implements ISaveablePart2 { public static final String ID = "ch.elexis.BestellenView"; //$NON-NLS-1$ private Form form; private FormToolkit tk = UiDesk.getToolkit(); private TableViewer tv; private Bestellung actBestellung; private ViewMenus viewmenus; private IAction removeAction, dailyWizardAction, wizardAction, loadAction, printAction, sendAction, newAction; private IAction exportClipboardAction, checkInAction; @Override public void createPartControl(final Composite parent) { parent.setLayout(new FillLayout()); form = tk.createForm(parent); Composite body = form.getBody(); body.setLayout(new GridLayout()); Table table = new Table(body, SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.MULTI); table.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true)); table.setHeaderVisible(true); table.setLinesVisible(false); tv = new TableViewer(table); TableViewerColumn tvc0 = new TableViewerColumn(tv, SWT.CENTER); tvc0.getColumn().setText(Messages.BestellView_Number); tvc0.getColumn().setWidth(40); PersistentObjectEditingSupport poes = new PersistentObjectEditingSupport(tv, BestellungEntry.FLD_COUNT); tvc0.setEditingSupport(poes); TableViewerColumn tvc1 = new TableViewerColumn(tv, SWT.LEFT); tvc1.getColumn().setText(Messages.BestellView_Article); tvc1.getColumn().setWidth(280); TableViewerColumn tvc2 = new TableViewerColumn(tv, SWT.LEFT); tvc2.getColumn().setText(Messages.BestellView_Dealer); tvc2.getColumn().setWidth(250); tvc2.setEditingSupport(new EditingSupport(tv) { @Override protected void setValue(Object element, Object value) { BestellungEntry se = (BestellungEntry) element; if (se == null) { return; } se.setProvider((Kontakt) value); getViewer().refresh(); } @Override protected Object getValue(Object element) { BestellungEntry se = (BestellungEntry) element; if (se == null) { return null; } return (Kontakt) se.getProvider(); } @Override protected CellEditor getCellEditor(Object element) { return new KontaktSelektorDialogCellEditor(((TableViewer) getViewer()).getTable(), "Lieferant auswhlen", "Bitte selektieren Sie den Lieferant"); } @Override protected boolean canEdit(Object element) { BestellungEntry be = (BestellungEntry) element; return (be != null); } }); TableViewerColumn tvc3 = new TableViewerColumn(tv, SWT.LEFT); tvc3.getColumn().setText("Lager"); //$NON-NLS-1$ tvc3.getColumn().setWidth(50); tv.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(final Object inputElement) { if (actBestellung != null) { return actBestellung.getEntries().toArray(); } return new Object[0]; } public void dispose() { } public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) { } }); tv.setLabelProvider(new BestellungLabelProvider()); tv.setSorter(new ViewerSorter() { @Override public int compare(final Viewer viewer, final Object e1, final Object e2) { BestellungEntry be1 = (BestellungEntry) e1; BestellungEntry be2 = (BestellungEntry) e2; String s1 = be1.getArticle().getName(); String s2 = be2.getArticle().getName(); return s1.compareTo(s2); } }); Transfer[] types = new Transfer[] { TextTransfer.getInstance() }; tv.addDropSupport(DND.DROP_COPY, types, new DropTargetAdapter() { @Override public void dragEnter(final DropTargetEvent event) { event.detail = DND.DROP_COPY; } @Override public void drop(final DropTargetEvent event) { String drp = (String) event.data; String[] dl = drp.split(StringConstants.COMMA); if (actBestellung == null) { NeueBestellungDialog nbDlg = new NeueBestellungDialog(getViewSite().getShell(), Messages.BestellView_CreateNewOrder, Messages.BestellView_EnterOrderTitle); if (nbDlg.open() == Dialog.OK) { setBestellung(new Bestellung(nbDlg.getTitle(), CoreHub.actUser)); } else { return; } } List<StockEntry> stockEntriesToOrder = new ArrayList<StockEntry>(); for (String obj : dl) { PersistentObject dropped = CoreHub.poFactory.createFromString(obj); if (dropped instanceof StockEntry) { stockEntriesToOrder.add((StockEntry) dropped); } else if (dropped instanceof Artikel) { Artikel art = (Artikel) dropped; if (art.isProduct()) { // TODO user message? return; } // SINGLE SHOT ORDER actBestellung.addBestellungEntry((Artikel) dropped, null, null, 1); } } for (StockEntry se : stockEntriesToOrder) { int current = se.getCurrentStock(); int max = se.getMaximumStock(); if (max == 0) { max = se.getMinimumStock(); } int toOrder = max - current; actBestellung.addBestellungEntry(se.getArticle(), se.getStock(), se.getProvider(), toOrder); } tv.refresh(); } }); makeActions(); viewmenus = new ViewMenus(getViewSite()); viewmenus.createToolbar(newAction, dailyWizardAction, wizardAction, loadAction, printAction, sendAction); viewmenus.createMenu(newAction, dailyWizardAction, wizardAction, loadAction, printAction, sendAction, exportClipboardAction); viewmenus.createViewerContextMenu(tv, new IAction[] { removeAction }); form.getToolBarManager().add(checkInAction); form.updateToolBar(); setBestellung(null); tv.setInput(getViewSite()); } private void setBestellung(final Bestellung b) { actBestellung = b; if (b != null && !form.isDisposed()) { form.setText(b.getLabel()); tv.refresh(); checkInAction.setEnabled(true); } else { checkInAction.setEnabled(false); } } @Override public void setFocus() { } private List<BestellungEntry> prepareOrderList(Kontakt receiver) { ArrayList<BestellungEntry> best = new ArrayList<BestellungEntry>(); List<BestellungEntry> list = actBestellung.getEntries(); for (BestellungEntry bestellungEntry : list) { if (receiver == null) { receiver = bestellungEntry.getProvider(); if (!receiver.exists()) { receiver = null; continue; } } if (bestellungEntry.getProvider() != null && bestellungEntry.getProvider().getId().equals(receiver.getId())) { best.add(bestellungEntry); } } return best; } class BestellungLabelProvider extends LabelProvider implements ITableLabelProvider { public Image getColumnImage(final Object element, final int columnIndex) { return null; } public String getColumnText(final Object element, final int columnIndex) { BestellungEntry be = (BestellungEntry) element; switch (columnIndex) { case 0: return Integer.toString(be.getCount()); case 1: return be.getArticle().getLabel(); case 2: Kontakt k = be.getProvider(); return (k != null) ? k.getLabel() : Messages.BestellView_Unknown; //$NON-NLS-1$ case 3: Stock s = be.getStock(); return (s != null) ? s.getCode() : StringConstants.EMPTY; default: return "?"; //$NON-NLS-1$ } } } private void makeActions() { removeAction = new Action(Messages.BestellView_RemoveArticle) { //$NON-NLS-1$ @Override public void run() { IStructuredSelection sel = (IStructuredSelection) tv.getSelection(); if ((sel != null) && (!sel.isEmpty())) { if (actBestellung != null) { @SuppressWarnings("unchecked") List<BestellungEntry> selections = sel.toList(); for (BestellungEntry entry : selections) { actBestellung.removeEntry(entry); } tv.refresh(); } } } }; dailyWizardAction = new Action(Messages.BestellView_AutomaticDailyOrder) { { setToolTipText(Messages.BestellView_CreateAutomaticDailyOrder); setImageDescriptor(Images.IMG_WIZ_DAY.getImageDescriptor()); } @Override public void run() { if (actBestellung == null) { setBestellung(new Bestellung(Messages.BestellView_AutomaticDaily, CoreHub.actUser)); //$NON-NLS-1$ } DailyOrderDialog doDlg = new DailyOrderDialog(UiDesk.getTopShell(), actBestellung); doDlg.open(); tv.refresh(true); } }; wizardAction = new Action(Messages.BestellView_AutomaticOrder) { //$NON-NLS-1$ { setToolTipText(Messages.BestellView_CreateAutomaticOrder); //$NON-NLS-1$ setImageDescriptor(Images.IMG_WIZARD.getImageDescriptor()); } @Override public void run() { if (actBestellung == null) { setBestellung(new Bestellung(Messages.BestellView_Automatic, CoreHub.actUser)); } int trigger = CoreHub.globalCfg.get(ch.elexis.core.constants.Preferences.INVENTORY_ORDER_TRIGGER, ch.elexis.core.constants.Preferences.INVENTORY_ORDER_TRIGGER_DEFAULT); boolean isInventoryBelow = trigger == ch.elexis.core.constants.Preferences.INVENTORY_ORDER_TRIGGER_BELOW; Query<StockEntry> qbe = new Query<StockEntry>(StockEntry.class, null, null, StockEntry.TABLENAME, new String[] { StockEntry.FLD_CURRENT, StockEntry.FLD_MAX }); qbe.add(StockEntry.FLD_CURRENT, isInventoryBelow ? Query.LESS : Query.LESS_OR_EQUAL, StockEntry.FLD_MIN); List<StockEntry> stockEntries = qbe.execute(); for (StockEntry se : stockEntries) { CoreHub.getOrderService().addRefillForStockEntryToOrder(se, actBestellung); } tv.refresh(true); } }; newAction = new Action(Messages.BestellView_CreateNewOrder) { //$NON-NLS-1$ @Override public void run() { NeueBestellungDialog nbDlg = new NeueBestellungDialog(getViewSite().getShell(), Messages.BestellView_CreateNewOrder, Messages.BestellView_EnterOrderTitle); if (nbDlg.open() == Dialog.OK) { setBestellung(new Bestellung(nbDlg.getTitle(), CoreHub.actUser)); } else { return; } tv.refresh(); } }; printAction = new Action(Messages.BestellView_PrintOrder) { //$NON-NLS-1$ @Override public void run() { if (actBestellung != null) { Kontakt receiver = null; List<BestellungEntry> best = prepareOrderList(receiver); try { BestellBlatt bb = (BestellBlatt) getViewSite().getPage().showView(BestellBlatt.ID); bb.createOrder(receiver, best); tv.refresh(); Bestellung.markAsOrdered(best); } catch (PartInitException e) { ExHandler.handle(e); } } } }; sendAction = new Action(Messages.BestellView_SendOrder) { @Override public void run() { if (actBestellung == null) return; // organise items in supplier and non-supplier lists List<BestellungEntry> orderableItems = new ArrayList<BestellungEntry>(); List<BestellungEntry> noSupplierItems = new ArrayList<BestellungEntry>(); for (BestellungEntry item : actBestellung.getEntries()) { Kontakt supplier = item.getProvider(); if (supplier != null && supplier.exists()) { orderableItems.add(item); } else { noSupplierItems.add(item); } } boolean runOrder = true; if (!noSupplierItems.isEmpty()) { StringBuilder sb = new StringBuilder(); for (BestellungEntry noSupItem : noSupplierItems) { sb.append(noSupItem.getArticle().getLabel()); sb.append("\n"); } runOrder = SWTHelper.askYesNo(Messages.BestellView_NoSupplierArticle, MessageFormat.format(Messages.BestellView_NoSupplierArticleMsg, sb.toString())); } if (runOrder) { List<IConfigurationElement> list = Extensions .getExtensions(ExtensionPointConstantsUi.TRANSPORTER); for (IConfigurationElement ic : list) { String handler = ic.getAttribute("type"); if (handler != null && handler.contains(Bestellung.class.getName())) { try { IDataSender sender = (IDataSender) ic .createExecutableExtension(ExtensionPointConstantsUi.TRANSPORTER_EXPC); sender.store(actBestellung); sender.finalizeExport(); SWTHelper.showInfo(Messages.BestellView_OrderSentCaption, Messages.BestellView_OrderSentBody); tv.refresh(); Bestellung.markAsOrdered(orderableItems); } catch (CoreException ex) { ExHandler.handle(ex); } catch (XChangeException xx) { SWTHelper.showError(Messages.BestellView_OrderNotPossible, Messages.BestellView_NoAutomaticOrderAvailable + xx.getLocalizedMessage()); } } } } } }; loadAction = new Action(Messages.BestellView_OpenOrder) { @Override public void run() { SelectBestellungDialog dlg = new SelectBestellungDialog(getViewSite().getShell()); dlg.setMessage(Messages.BestellView_SelectOrder); //$NON-NLS-1$ dlg.setTitle(Messages.BestellView_ReadOrder); //$NON-NLS-1$ if (dlg.open() == Dialog.OK) { if (dlg.getResult().length > 0) { Bestellung res = (Bestellung) dlg.getResult()[0]; setBestellung(res); } } } }; printAction.setImageDescriptor(Images.IMG_PRINTER.getImageDescriptor()); printAction.setToolTipText(Messages.BestellView_PrintOrder); newAction.setImageDescriptor(Images.IMG_ADDITEM.getImageDescriptor()); newAction.setToolTipText(Messages.BestellView_CreateNewOrder); sendAction.setImageDescriptor(Images.IMG_NETWORK.getImageDescriptor()); sendAction.setToolTipText(Messages.BestellView_transmitOrder); loadAction.setImageDescriptor(Images.IMG_IMPORT.getImageDescriptor()); loadAction.setToolTipText(Messages.BestellView_loadEarlierOrder); exportClipboardAction = new Action(Messages.BestellView_copyToClipboard) { { setToolTipText(Messages.BestellView_copyToClipBioardForGalexis); } @Override public void run() { if (actBestellung != null) { Kontakt receiver = null; List<BestellungEntry> best = prepareOrderList(receiver); StringBuffer export = new StringBuffer(); for (BestellungEntry item : best) { String pharmaCode = item.getArticle().getPharmaCode(); int num = item.getCount(); String name = item.getArticle().getName(); String line = pharmaCode + ", " + num + ", " + name; //$NON-NLS-1$ //$NON-NLS-2$ export.append(line); export.append(System.getProperty("line.separator")); //$NON-NLS-1$ } String clipboardText = export.toString(); Clipboard clipboard = new Clipboard(UiDesk.getDisplay()); TextTransfer textTransfer = TextTransfer.getInstance(); Transfer[] transfers = new Transfer[] { textTransfer }; Object[] data = new Object[] { clipboardText }; clipboard.setContents(data, transfers); clipboard.dispose(); } } }; checkInAction = new Action(Messages.BestellView_CheckInCaption) { //$NON-NLS-1$ { setImageDescriptor(Images.IMG_TICK.getImageDescriptor()); setToolTipText(Messages.BestellView_CheckInBody); //$NON-NLS-1$ } @Override public void run() { if (actBestellung != null && actBestellung.exists()) { OrderImportDialog dialog = new OrderImportDialog(getSite().getShell(), actBestellung); dialog.open(); } else { SWTHelper.alert(Messages.BestellView_NoOrder, //$NON-NLS-1$ Messages.BestellView_NoOrderLoaded); //$NON-NLS-1$ } } }; } /* * 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; } public void addItemsToOrder(List<Artikel> articlesToOrder) { if (actBestellung == null) { NeueBestellungDialog nbDlg = new NeueBestellungDialog(getViewSite().getShell(), Messages.BestellView_CreateNewOrder, Messages.BestellView_EnterOrderTitle); if (nbDlg.open() == Dialog.OK) { setBestellung(new Bestellung(nbDlg.getTitle(), CoreHub.actUser)); } else { return; } } for (Artikel arti : articlesToOrder) { // SINGLE SHOT ORDER actBestellung.addBestellungEntry((Artikel) arti, null, null, 1); } if (tv != null && !tv.getControl().isDisposed()) { tv.refresh(); } } /** * @return the current defined {@link Bestellung} in this view */ public Bestellung getActBestellung() { return actBestellung; } /** * Find the default supplier. Shows a warning if supplier is null or inexisting * * @param cfgSupplier * value delivered from the plugins configured supplier field * @param selDialogTitle * title of the dialog * @return the supplier or null if none could be resolved. */ public static Kontakt resolveDefaultSupplier(String cfgSupplier, String selDialogTitle) { Kontakt supplier = null; if (cfgSupplier != null && !cfgSupplier.isEmpty()) { supplier = Kontakt.load(cfgSupplier); } //warn that there is no supplier if (supplier == null || !supplier.exists()) { MessageDialog.openWarning(UiDesk.getTopShell(), selDialogTitle, Messages.BestellView_CantOrderNoSupplier); } return supplier; } }