Java tutorial
/******************************************************************************* * Copyright (c) 2005-2010, 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.dialogs; import java.text.MessageFormat; import java.util.List; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.dialogs.InputDialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.dialogs.TitleAreaDialog; 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.graphics.Image; import org.eclipse.swt.layout.GridLayout; 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.Text; import ch.elexis.Desk; import ch.elexis.Hub; import ch.elexis.StringConstants; import ch.elexis.core.data.ISticker; import ch.elexis.core.icons.Images; import ch.elexis.data.Brief; import ch.elexis.data.PersistentObject; import ch.elexis.data.Person; import ch.elexis.data.Query; import ch.elexis.data.Sticker; import ch.elexis.util.SWTHelper; import ch.elexis.util.viewers.DefaultLabelProvider; import ch.rgw.tools.StringTool; /** * Select a Document or a template Usage: DocumentSelector dsl=new * DocumentSelector(shell,mandant,TYPE_xxx); if(dsl.open()==Dialog.OK){ doSomethingWith(dsl.result); * } * * @author gerry * */ public class DocumentSelectDialog extends TitleAreaDialog { private static final String DELETE_DOCUMENT = Messages.getString("DocumentSelectDialog.deleteDocument"); //$NON-NLS-1$ private static final String DELETE_TEMPLATE = Messages.getString("DocumentSelectDialog.deleteTemplate"); //$NON-NLS-1$ private static final String OPEN_DOCUMENT = Messages.getString("DocumentSelectDialog.openDocument"); //$NON-NLS-1$ /** * select an existing document out of the list of all documtents of the given mandator */ public static final int TYPE_LOAD_DOCUMENT = 0; /** create a new document using one of the templates of the given mandator */ public static final int TYPE_CREATE_DOC_WITH_TEMPLATE = 1; /** open a user template of the given mandator for editing or export */ public static final int TYPE_LOAD_TEMPLATE = 2; /** open a system template of the given mandator for editing or export */ public static final int TYPE_LOAD_SYSTEMPLATE = 4; protected static String DONTASKFORADDRESSEE_STICKER = "brief_dontaskforaddressee-*-&"; //$NON-NLS-1$ protected static boolean dontAskForAddresseeStickerCreated = false; static final int TEMPLATE = TYPE_LOAD_TEMPLATE | TYPE_LOAD_SYSTEMPLATE; Person rel; int type; Brief result; Text tBetreff; String betreff; TableViewer tv; private MenuManager menu; private Action editNameAction; private Action editDontAskForAddressee; private Action deleteTemplateAction; private Action deleteTextAction; /** * Create a new DocumentSelector. If the user clicks OK, the selected Brief will be in result. * * @param p * the mandator whose templates/letters should be displayed * @param typ * type of the selector to display (see TYPE_ constants) */ public DocumentSelectDialog(Shell shell, Person p, int typ) { super(shell); rel = p; type = typ; } @Override public void create() { super.create(); setTitleImage(Images.IMG_LOGO48.getImage()); makeActions(); switch (type) { case TYPE_LOAD_DOCUMENT: setTitle(OPEN_DOCUMENT); setMessage(Messages.getString("DocumentSelectDialog.pleaseSelectDocument")); //$NON-NLS-1$ getShell().setText(OPEN_DOCUMENT); break; case TYPE_CREATE_DOC_WITH_TEMPLATE: setTitle(Messages.getString("DocumentSelectDialog.createLetterWithTemplate")); //$NON-NLS-1$ setMessage(Messages.getString("DocumentSelectDialog.selectTemplate")); //$NON-NLS-1$ getShell().setText(Messages.getString("DocumentSelectDialog.schooseTemplateForLetter")); //$NON-NLS-1$ break; case TYPE_LOAD_TEMPLATE: setTitle(Messages.getString("DocumentSelectDialog.openTemplate")); //$NON-NLS-1$ setMessage(Messages.getString("DocumentSelectDialog.pleaseSelectTemplateFromList")); //$NON-NLS-1$ getShell().setText(Messages.getString("DocumentSelectDialog.openTemplate")); //$NON-NLS-1$ break; case TYPE_LOAD_SYSTEMPLATE: setTitle(Messages.getString("DocumentSelectDialog.loadSysTemplate")); //$NON-NLS-1$ setMessage(Messages.getString("DocumentSelectDialog.sysTemplateExplanation")); //$NON-NLS-1$ getShell().setText(Messages.getString("DocumentSelectDialog.loadTemplate")); //$NON-NLS-1$ } } @Override protected Control createDialogArea(Composite parent) { Composite ret = new Composite(parent, SWT.NONE); ret.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true)); ret.setLayout(new GridLayout()); if ((type & TEMPLATE) != 0) { new Label(ret, SWT.NONE).setText(Messages.getString("DocumentSelectDialog.subject")); //$NON-NLS-1$ tBetreff = SWTHelper.createText(ret, 1, SWT.NONE); new Label(ret, SWT.SEPARATOR | SWT.HORIZONTAL); } tv = new TableViewer(ret, SWT.V_SCROLL); tv.setContentProvider(new IStructuredContentProvider() { public Object[] getElements(Object inputElement) { Query<Brief> qbe = new Query<Brief>(Brief.class); if (type == TYPE_LOAD_DOCUMENT) { qbe.add(Brief.FLD_TYPE, Query.NOT_EQUAL, Brief.TEMPLATE); } else { String sys = type == TYPE_LOAD_SYSTEMPLATE ? Query.EQUALS : Query.NOT_EQUAL; qbe.add(Brief.FLD_TYPE, Query.EQUALS, Brief.TEMPLATE); qbe.add(Brief.FLD_KONSULTATION_ID, sys, "SYS"); //$NON-NLS-1$ qbe.startGroup(); qbe.add(Brief.FLD_DESTINATION_ID, Query.EQUALS, Hub.actMandant.getId()); qbe.or(); qbe.add(Brief.FLD_DESTINATION_ID, Query.EQUALS, StringTool.leer); qbe.endGroup(); } qbe.and(); qbe.add("deleted", Query.NOT_EQUAL, StringConstants.ONE); //$NON-NLS-1$ if (type != TYPE_LOAD_DOCUMENT) { qbe.orderBy(false, Brief.FLD_SUBJECT); } else { qbe.orderBy(false, Brief.FLD_DATE); } List<Brief> l = qbe.execute(); return l.toArray(); } public void dispose() { } public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }); tv.setLabelProvider(new MyLabelProvider()); makeActions(); menu = new MenuManager(); menu.setRemoveAllWhenShown(true); menu.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { menu.add(editNameAction); if (type == TYPE_LOAD_TEMPLATE) { // only show in load template dialog Brief sel = (Brief) ((IStructuredSelection) tv.getSelection()).getFirstElement(); if (getDontAskForAddresseeForThisTemplate(sel)) { menu.add(editDontAskForAddressee); editDontAskForAddressee.setChecked(false); } else { menu.add(editDontAskForAddressee); editDontAskForAddressee.setChecked(true); } } menu.add((type & TEMPLATE) != 0 ? deleteTemplateAction : deleteTextAction); } }); tv.getControl().setMenu(menu.createContextMenu(tv.getControl())); tv.getControl().setLayoutData(SWTHelper.getFillGridData(1, true, 1, true)); tv.setInput(this); tv.addDoubleClickListener(new IDoubleClickListener() { @Override public void doubleClick(DoubleClickEvent event) { okPressed(); } }); return ret; } /** * adds showing an image before labels: show Address-icon for docs for which address should be * selected and do NOT show for docs for which selection dialog should NOT be shown. * * @author marlovitsh * */ public class MyLabelProvider extends DefaultLabelProvider implements ITableLabelProvider { public Image getColumnImage(Object element, int columnIndex) { PersistentObject po = (PersistentObject) element; if (type == TYPE_LOAD_TEMPLATE) { // only show on load template dialog if (!getDontAskForAddresseeForThisTemplate((Brief) po)) return Images.IMG_ADRESSETIKETTE.getImage(); } return null; } } @Override protected void okPressed() { IStructuredSelection sel = (IStructuredSelection) tv.getSelection(); if ((sel != null) && (!sel.isEmpty())) { result = (Brief) sel.getFirstElement(); if ((type & TEMPLATE) != 0) { betreff = tBetreff.getText(); } if (StringTool.isNothing(betreff)) { betreff = result.getBetreff(); } } super.okPressed(); } public Brief getSelectedDocument() { return result; } public String getBetreff() { return betreff; } private void makeActions() { deleteTemplateAction = new Action(DELETE_TEMPLATE) { @Override public void run() { Brief sel = (Brief) ((IStructuredSelection) tv.getSelection()).getFirstElement(); if (MessageDialog.openConfirm(getShell(), DELETE_TEMPLATE, MessageFormat .format(Messages.getString("DocumentSelectDialog.reallyDeleteTemplate"), sel.getBetreff())) //$NON-NLS-1$ == true) { sel.delete(); tv.refresh(); } } }; deleteTextAction = new Action(DELETE_DOCUMENT) { @Override public void run() { Brief sel = (Brief) ((IStructuredSelection) tv.getSelection()).getFirstElement(); if (MessageDialog.openConfirm(getShell(), DELETE_DOCUMENT, MessageFormat .format(Messages.getString("DocumentSelectDialog.reallyDeleteDocument"), sel.getBetreff())) //$NON-NLS-1$ == true) { sel.set("geloescht", StringConstants.ONE); //$NON-NLS-1$ tv.refresh(); } } }; editNameAction = new Action(Messages.getString("DocumentSelectDialog.changeSubjectAction")) { //$NON-NLS-1$ @Override public void run() { Brief sel = (Brief) ((IStructuredSelection) tv.getSelection()).getFirstElement(); InputDialog inp = new InputDialog(getShell(), Messages.getString("DocumentSelectDialog.changeSubjectAction"), //$NON-NLS-1$ Messages.getString("DocumentSelectDialog.changeSubjectAction"), //$NON-NLS-1$ sel.getBetreff(), null); int inputResult = inp.open(); if (inputResult == InputDialog.OK) { sel.setBetreff(inp.getValue()); tv.refresh(); } } }; editDontAskForAddressee = new Action(Messages.getString("DocumentSelectDialog.askForAddressee")) { //$NON-NLS-1$ @Override public void run() { Brief sel = (Brief) ((IStructuredSelection) tv.getSelection()).getFirstElement(); setDontAskForAddresseeForThisTemplate(sel, !getDontAskForAddresseeForThisTemplate(sel)); tv.refresh(); } }; } /** * get the id for template sticker DONTASKFORADDRESSEE_STICKER, return null if not yet created * * @return the sticker or null * * @author marlovitsh */ public static String getDontAskForAddresseeStickerID() { Query<Sticker> qry = new Query<Sticker>(Sticker.class); qry.add(ISticker.NAME, Query.EQUALS, DONTASKFORADDRESSEE_STICKER); List<Sticker> stickerList = qry.execute(); if (stickerList.size() > 0) return stickerList.get(0).getId(); return StringTool.leer; } /** * get the template sticker DONTASKFORADDRESSEE_STICKER, return null if not yet created * * @return the sticker or null * * @author marlovitsh */ public static Sticker getDontAskForAddresseeSticker() { Query<Sticker> qry = new Query<Sticker>(Sticker.class); qry.add(ISticker.NAME, Query.EQUALS, DONTASKFORADDRESSEE_STICKER); List<Sticker> stickerList = qry.execute(); if (stickerList.size() > 0) return stickerList.get(0); return null; } /** * creates the sticker DONTASKFORADDRESSEE_STICKER if not yet existing. Is is primarily marked * as deleted to prevent the user from seeing it in the interface * * @author marlovitsh */ public static void createDontAskForAddresseeSticker() { // much faster if doing a boolean check for dontAskForAddresseeStickerCreated if (!dontAskForAddresseeStickerCreated) { if (getDontAskForAddresseeSticker() == null) { Sticker newSticker = new Sticker(DONTASKFORADDRESSEE_STICKER, null, null); newSticker.setClassForSticker(Brief.class); newSticker.setVisibility(false); } dontAskForAddresseeStickerCreated = true; } } /** * test if the user should be asked for an addressee when creating a document. The flag is saved * as a sticker for the template-document. * * @param templateName * the name of the document-template to be tested * @return true if we should not show the address selection dialog * * @author marlovitsh */ public static boolean getDontAskForAddresseeForThisTemplateName(String templateName) { Query<Brief> qry = new Query<Brief>(Brief.class); qry.add(Brief.FLD_SUBJECT, Query.EQUALS, templateName, true); qry.add(Brief.FLD_TYPE, Query.EQUALS, Brief.TEMPLATE, true); List<Brief> result = qry.execute(); if (result.size() > 0) { Brief brief = result.get(0); return DocumentSelectDialog.getDontAskForAddresseeForThisTemplate(brief); } return false; }; /** * test if the user should be asked for an addressee when creating a document. The flag is saved * as a sticker for the template-document. * * @param template * the document-template to be tested * @return true if we should not show the address selection dialog * * @author marlovitsh */ public static boolean getDontAskForAddresseeForThisTemplate(Brief template) { createDontAskForAddresseeSticker(); List<ISticker> stickers = template.getStickers(); for (ISticker st : stickers) { if (st.getLabel().equalsIgnoreCase(DONTASKFORADDRESSEE_STICKER)) return true; } return false; } /** * test if the user should be asked for an addressee when creating a document. The flag is saved * as a sticker for the template-document. * * @param template * the document-template to be tested * @param dontAskForAddressee * whether or not to ask for an addressee when creating a new document * * @author marlovitsh */ public static void setDontAskForAddresseeForThisTemplate(Brief template, boolean dontAskForAddressee) { createDontAskForAddresseeSticker(); if (dontAskForAddressee) { // find our sticker by name, set it Sticker st = getDontAskForAddresseeSticker(); template.addSticker(st); } else { Sticker st = getDontAskForAddresseeSticker(); template.removeSticker(st); } } }