eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/checklist/listener/ChecklistDropdownSelectionListener.java

   1 package eu.etaxonomy.taxeditor.editor.view.checklist.listener;
   2
   3 import java.util.SortedSet;
   4
   5 import org.eclipse.jface.viewers.TableViewer;
   6 import org.eclipse.jface.wizard.WizardDialog;
   7 import org.eclipse.swt.SWT;
   8 import org.eclipse.swt.events.SelectionAdapter;
   9 import org.eclipse.swt.events.SelectionEvent;
  10 import org.eclipse.swt.graphics.Point;
  11 import org.eclipse.swt.graphics.Rectangle;
  12 import org.eclipse.swt.widgets.Menu;
  13 import org.eclipse.swt.widgets.MenuItem;
  14 import org.eclipse.swt.widgets.Table;
  15 import org.eclipse.swt.widgets.TableColumn;
  16 import org.eclipse.swt.widgets.ToolItem;
  17
  18 import eu.etaxonomy.cdm.model.common.DefinedTermBase;
  19 import eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor;
  20 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  21 import eu.etaxonomy.taxeditor.preference.wizard.AvailableDistributionWizard;
  22 import eu.etaxonomy.taxeditor.store.StoreUtil;
  23
  24 /**
  25  * Handles drop down menu selection. Available items are defined in the
  26  * enumeration SearchOption.
  27  *
  28  * @author n.hoffmann
  29  * @created Feb 2, 2010
  30  * @version 1.0
  31  */
  32 public class ChecklistDropdownSelectionListener extends SelectionAdapter {
  33
  34     private final Menu menu;
  35     private final ToolItem dropdown;
  36     private final ChecklistEditor editor;
  37     private final SortedSet<DefinedTermBase> termSet;
  38
  39     public ChecklistDropdownSelectionListener(ToolItem dropdown, ChecklistEditor editor,
  40             SortedSet<DefinedTermBase> termSet) {
  41         this.dropdown = dropdown;
  42         this.editor = editor;
  43         this.termSet = termSet;
  44         menu = new Menu(dropdown.getParent().getShell());
  45         initialMenuItem();
  46     }
  47
  48     // SearchOption option
  49     public void add(DefinedTermBase<DefinedTermBase> term) {
  50         MenuItem menuItem = new MenuItem(menu, SWT.CHECK);
  51         menuItem.setText(term.getTitleCache());
  52         if (PreferencesUtil.getPreferenceStore().getBoolean(term.getUuid().toString())) {
  53             menuItem.setSelection(true);
  54         } else {
  55             menuItem.setSelection(false);
  56         }
  57         menuItem.addSelectionListener(new SelectionAdapter() {
  58             @Override
  59             public void widgetSelected(SelectionEvent event) {
  60                 MenuItem selected = (MenuItem) event.widget;
  61
  62                 TableViewer viewer = (TableViewer) editor.getViewer();
  63                 final Table table = viewer.getTable();
  64                 // TODO make it selectable according to selection event
  65                 TableColumn column = null;
  66                 DefinedTermBase<DefinedTermBase> selectedTerm = null;
  67                 if (termSet != null) {
  68                     int i = 0;
  69                     for (DefinedTermBase<DefinedTermBase> term : termSet) {
  70                         if (term != null) {
  71                             if (selected.getText().equalsIgnoreCase(term.getTitleCache())) {
  72                                 selectedTerm = term;
  73                                 column = table.getColumn(4 + i);
  74                             }
  75                             i++;
  76                         }
  77                     }
  78                 }
  79                 if (column != null && column.getWidth() == 0) {
  80                     // save column status if shown or not
  81                     if (selectedTerm != null) {
  82                         PreferencesUtil.getPreferenceStore().setValue(selectedTerm.getUuid().toString(), true);
  83                     }
  84                     column.setWidth(100);
  85                 } else if (column != null) {
  86                     if (selectedTerm != null) {
  87                         PreferencesUtil.getPreferenceStore().setValue(selectedTerm.getUuid().toString(), false);
  88                     }
  89                     column.setWidth(0);
  90                 }
  91                 viewer.refresh();
  92             }
  93         });
  94     }
  95
  96     private void initialMenuItem(){
  97         MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
  98         menuItem.setText("Add Distribution");
  99         menuItem.addSelectionListener(new SelectionAdapter() {
 100             @Override
 101             public void widgetSelected(SelectionEvent event) {
 102                 AvailableDistributionWizard availableDistributionWizard = new AvailableDistributionWizard();
 103                 WizardDialog dialog = new WizardDialog(StoreUtil.getShell(),
 104                         availableDistributionWizard);
 105
 106                 dialog.open();
 107             }
 108         });
 109         new MenuItem(menu, SWT.SEPARATOR);
 110     }
 111
 112     @Override
 113     public void widgetSelected(SelectionEvent event) {
 114         if (event.detail == SWT.ARROW) {
 115             ToolItem item = (ToolItem) event.widget;
 116             Rectangle rect = item.getBounds();
 117             Point pt = item.getParent().toDisplay(new Point(rect.x, rect.y));
 118             menu.setLocation(pt.x, pt.y + rect.height);
 119             menu.setVisible(true);
 120         } else {
 121             menu.setVisible(true);
 122         }
 123     }
 124 }