eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/featuretree/SelectFeatureTreeWizardPage.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.featuretree;
  12
  13 import java.util.List;
  14
  15 import org.eclipse.jface.viewers.ISelectionChangedListener;
  16 import org.eclipse.jface.viewers.IStructuredSelection;
  17 import org.eclipse.jface.viewers.ListViewer;
  18 import org.eclipse.jface.viewers.SelectionChangedEvent;
  19 import org.eclipse.jface.viewers.StructuredSelection;
  20 import org.eclipse.jface.wizard.WizardPage;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.events.ModifyEvent;
  23 import org.eclipse.swt.events.ModifyListener;
  24 import org.eclipse.swt.events.SelectionAdapter;
  25 import org.eclipse.swt.events.SelectionEvent;
  26 import org.eclipse.swt.layout.GridData;
  27 import org.eclipse.swt.layout.GridLayout;
  28 import org.eclipse.swt.widgets.Button;
  29 import org.eclipse.swt.widgets.Composite;
  30 import org.eclipse.swt.widgets.Label;
  31 import org.eclipse.swt.widgets.Text;
  32
  33 import eu.etaxonomy.cdm.api.service.DeleteResult;
  34 import eu.etaxonomy.cdm.api.service.IFeatureTreeService;
  35 import eu.etaxonomy.cdm.model.description.FeatureTree;
  36 import eu.etaxonomy.taxeditor.store.CdmStore;
  37
  38 /**
  39  * <p>SelectFeatureTreeWizardPage class.</p>
  40  *
  41  * @author n.hoffmann
  42  * @created Aug 5, 2010
  43  * @version 1.0
  44  */
  45 public class SelectFeatureTreeWizardPage extends WizardPage implements ISelectionChangedListener, ModifyListener{
  46
  47         private ListViewer viewer;
  48         private Text text_title;
  49         private Button button_add;
  50         private Button button_remove;
  51
  52         /**
  53          * <p>Constructor for SelectFeatureTreeWizardPage.</p>
  54          *
  55          * @param pageName a {@link java.lang.String} object.
  56          */
  57         protected SelectFeatureTreeWizardPage(String pageName) {
  58                 super(pageName);
  59                 setMessage("Select a Feature Tree or create a new one.");
  60         }
  61
  62         /* (non-Javadoc)
  63          * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
  64          */
  65         /** {@inheritDoc} */
  66         @Override
  67         public void createControl(Composite parent) {
  68                 Composite composite = new Composite(parent, SWT.NULL);
  69
  70                 composite.setLayout(new GridLayout());
  71
  72                 Composite composite_treeContent = new Composite(composite, SWT.NULL);
  73                 composite_treeContent.setLayoutData(new GridData(SWT.FILL, SWT.FILL,
  74                                 true, true));
  75                 composite_treeContent.setLayout(new GridLayout(2, false));
  76
  77                 viewer = new ListViewer(composite_treeContent);
  78                 viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  79
  80                 button_remove = new Button(composite_treeContent, SWT.PUSH);
  81                 button_remove.setText("Remove");
  82                 button_remove.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false, false));
  83
  84                 Composite composite_treeTitle = new Composite(composite, SWT.NULL);
  85                 composite_treeTitle.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true,
  86                                 false));
  87                 composite_treeTitle.setLayout(new GridLayout(3, false));
  88
  89
  90
  91                 Label label_title = new Label(composite_treeTitle, SWT.NULL);
  92                 label_title.setText("New Feature Tree");
  93
  94                 text_title = new Text(composite_treeTitle, SWT.NULL);
  95                 text_title.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
  96
  97                 button_add = new Button(composite_treeTitle, SWT.PUSH);
  98                 button_add.setText("Add");
  99
 100                 viewer.setContentProvider(new FeatureTreeContentProvider());
 101                 viewer.setLabelProvider(new FeatureTreeLabelProvider());
 102
 103                 viewer.addSelectionChangedListener(this);
 104
 105                 text_title.addModifyListener(this);
 106                 button_add.addSelectionListener(new AddButtonSelectionListener());
 107                 button_remove.addSelectionListener(new RemoveButtonSelectionListener());
 108
 109                 List<FeatureTree> input = CdmStore.getService(IFeatureTreeService.class).list(FeatureTree.class, null, null, null, null);
 110
 111                 viewer.setInput(input);
 112                 modifyText(null);
 113                 setControl(composite);
 114         }
 115
 116         /** {@inheritDoc} */
 117         @Override
 118         public void selectionChanged(SelectionChangedEvent event) {
 119                 IStructuredSelection selection = (IStructuredSelection) event.getSelection();
 120
 121                 if(selection.size() == 1){
 122                         FeatureTree selectedFeatureTree = (FeatureTree) selection.getFirstElement();
 123                         ((FeatureTreeEditorWizard) getWizard()).setSelectedFeatureTree(selectedFeatureTree);
 124
 125                 }
 126
 127                 setPageComplete(true);
 128
 129                 button_remove.setEnabled(selection.size() >= 1);
 130         }
 131
 132         /** {@inheritDoc} */
 133         @Override
 134         public boolean canFlipToNextPage() {
 135                 return ((IStructuredSelection) viewer.getSelection()).size() == 1;
 136         }
 137
 138         /** {@inheritDoc} */
 139         @Override
 140         public void modifyText(ModifyEvent e) {
 141                 button_add.setEnabled(! text_title.getText().isEmpty());
 142         }
 143
 144         private class AddButtonSelectionListener extends SelectionAdapter {
 145                 @Override
 146         public void widgetSelected(SelectionEvent e) {
 147                         FeatureTree featureTree = FeatureTree.NewInstance();
 148                         featureTree.setTitleCache(text_title.getText(), true);
 149
 150                         viewer.add(featureTree);
 151                         if(CdmStore.getCurrentSessionManager().isRemoting()) {
 152                 CdmStore.getService(IFeatureTreeService.class).merge(featureTree);
 153                         } else {
 154                             CdmStore.getService(IFeatureTreeService.class).saveOrUpdate(featureTree);
 155                         }
 156                         text_title.setText("");
 157                         viewer.setSelection(new StructuredSelection(featureTree));
 158
 159                 }
 160         }
 161
 162         private class RemoveButtonSelectionListener extends SelectionAdapter {
 163                 @Override
 164         public void widgetSelected(SelectionEvent e) {
 165                         IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
 166                         Object source = e.getSource();
 167                         for(Object element : selection.toArray()){
 168                                 viewer.remove(element);
 169                                 ((FeatureTreeEditorWizard) getWizard()).setSelectedFeatureTree(null);
 170                                 DeleteResult result =   CdmStore.getService(IFeatureTreeService.class).delete(((FeatureTree) element).getUuid());
 171
 172                                 if (result.isError()){
 173
 174                                 }
 175                                 viewer.setSelection(new StructuredSelection(new Object[0]));
 176                         }
 177                 }
 178         }
 179 }