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.apache.log4j.Logger;
   6 import org.eclipse.jface.viewers.TableViewer;
   7 import org.eclipse.jface.wizard.WizardDialog;
   8 import org.eclipse.swt.SWT;
   9 import org.eclipse.swt.events.SelectionAdapter;
  10 import org.eclipse.swt.events.SelectionEvent;
  11 import org.eclipse.swt.graphics.Point;
  12 import org.eclipse.swt.graphics.Rectangle;
  13 import org.eclipse.swt.widgets.Menu;
  14 import org.eclipse.swt.widgets.MenuItem;
  15 import org.eclipse.swt.widgets.Table;
  16 import org.eclipse.swt.widgets.TableColumn;
  17 import org.eclipse.swt.widgets.ToolItem;
  18
  19 import eu.etaxonomy.cdm.model.common.DefinedTermBase;
  20 import eu.etaxonomy.taxeditor.editor.view.checklist.ChecklistEditor;
  21 import eu.etaxonomy.taxeditor.preference.PreferencesUtil;
  22 import eu.etaxonomy.taxeditor.preference.wizard.AvailableDistributionWizard;
  23 import eu.etaxonomy.taxeditor.store.StoreUtil;
  24
  25 /**
  26  * Handles drop down menu selection. Available items are defined in the
  27  * enumeration SearchOption.
  28  *
  29  * @author n.hoffmann
  30  * @created Feb 2, 2010
  31  * @version 1.0
  32  */
  33 public class ChecklistDropdownSelectionListener extends SelectionAdapter {
  34
  35     private final Menu menu;
  36     private final ChecklistEditor editor;
  37     private final SortedSet<DefinedTermBase> termSet;
  38     private Logger logger = Logger.getLogger(ChecklistDropdownSelectionListener.class);
  39
  40     public ChecklistDropdownSelectionListener(ToolItem dropdown, ChecklistEditor editor,
  41             SortedSet<DefinedTermBase> termSet) {
  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                         TableColumn[] columns = viewer.getTable().getColumns();
  69                         for(int i=0; i<columns.length; i++){
  70                                 if(selected.getText().equalsIgnoreCase(columns[i].getText())){
  71                                         column = columns[i];
  72                                         logger.info("Column no " +i +" Column Header "+ column.getText() );
  73                                         for (DefinedTermBase<DefinedTermBase> term : termSet) {
  74                                                 if(column.getText().equalsIgnoreCase(term.getTitleCache())){
  75                                                         selectedTerm = term;
  76                                                         break;
  77                                                 }
  78                                         }
  79                                 }
  80                         }
  81                 }
  82                 if (column != null && column.getWidth() == 0) {
  83                     // save column status if shown or not
  84                     if (selectedTerm != null) {
  85                         PreferencesUtil.getPreferenceStore().setValue(selectedTerm.getUuid().toString(), true);
  86                     }
  87                     column.setWidth(100);
  88                 } else if (column != null) {
  89                     if (selectedTerm != null) {
  90                         PreferencesUtil.getPreferenceStore().setValue(selectedTerm.getUuid().toString(), false);
  91                     }
  92                     column.setWidth(0);
  93                 }
  94             }
  95         });
  96     }
  97
  98     private void initialMenuItem(){
  99         MenuItem menuItem = new MenuItem(menu, SWT.PUSH);
 100         menuItem.setText("Add Distribution");
 101         menuItem.addSelectionListener(new SelectionAdapter() {
 102             @Override
 103             public void widgetSelected(SelectionEvent event) {
 104                 AvailableDistributionWizard availableDistributionWizard = new AvailableDistributionWizard();
 105                 WizardDialog dialog = new WizardDialog(StoreUtil.getShell(),
 106                         availableDistributionWizard);
 107
 108                 int open = dialog.open();
 109                 if(open == 0){
 110                         editor.reload();
 111                 }
 112             }
 113         });
 114         new MenuItem(menu, SWT.SEPARATOR);
 115     }
 116
 117     @Override
 118     public void widgetSelected(SelectionEvent event) {
 119         if (event.detail == SWT.ARROW) {
 120             ToolItem item = (ToolItem) event.widget;
 121             Rectangle rect = item.getBounds();
 122             Point pt = item.getParent().toDisplay(new Point(rect.x, rect.y));
 123             menu.setLocation(pt.x, pt.y + rect.height);
 124             menu.setVisible(true);
 125         } else {
 126             menu.setVisible(true);
 127         }
 128     }
 129
 130     public Menu getMenu(){
 131         return menu;
 132     }
 133 }