eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/key/polytomous/PolytomousKeyListItem.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.editor.key.polytomous;
  12
  13 import org.eclipse.swt.SWT;
  14 import org.eclipse.swt.events.SelectionAdapter;
  15 import org.eclipse.swt.events.SelectionEvent;
  16 import org.eclipse.swt.events.SelectionListener;
  17 import org.eclipse.swt.widgets.Composite;
  18 import org.eclipse.swt.widgets.Label;
  19 import org.eclipse.swt.widgets.Link;
  20 import org.eclipse.ui.PartInitException;
  21 import org.eclipse.ui.forms.IFormPart;
  22 import org.eclipse.ui.forms.IManagedForm;
  23
  24 import eu.etaxonomy.cdm.common.CdmUtils;
  25 import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
  26 import eu.etaxonomy.cdm.model.description.KeyStatement;
  27 import eu.etaxonomy.cdm.model.description.PolytomousKeyNode;
  28 import eu.etaxonomy.cdm.model.taxon.Taxon;
  29 import eu.etaxonomy.taxeditor.editor.EditorUtil;
  30 import eu.etaxonomy.taxeditor.store.CdmStore;
  31 import eu.etaxonomy.taxeditor.ui.element.AbstractCdmFormElement;
  32 import eu.etaxonomy.taxeditor.ui.element.CdmFormFactory;
  33 import eu.etaxonomy.taxeditor.ui.element.ISelectable;
  34 import eu.etaxonomy.taxeditor.ui.element.LayoutConstants;
  35
  36 /**
  37  * @author n.hoffmann
  38  * @created Apr 13, 2011
  39  * @version 1.0
  40  */
  41 public class PolytomousKeyListItem extends AbstractCdmFormElement implements
  42                 IFormPart, ISelectable {
  43
  44         private boolean dirty;
  45         private final PolytomousKeyNode entity;
  46
  47         private SelectionListener linkSelectionListener;
  48
  49         /**
  50          * @param formFactory
  51          * @param layoutComposite
  52          */
  53         protected PolytomousKeyListItem(CdmFormFactory formFactory,
  54                         Composite layoutComposite, PolytomousKeyNode entity) {
  55                 super(formFactory, layoutComposite);
  56
  57                 // layoutComposite.setBackground(Display.getDefault().getSystemColor(
  58                 // SWT.COLOR_CYAN));
  59
  60                 this.entity = (PolytomousKeyNode) HibernateProxyHelper.deproxy(entity);
  61
  62                 Label label_nodeNumber = new Label(getLayoutComposite(), SWT.NULL);
  63                 label_nodeNumber.setText(getItemNumber());
  64
  65                 Label label_question = new Label(getLayoutComposite(), SWT.NULL);
  66                 label_question.setText(getItemQuestion());
  67
  68                 Label label_statement = new Label(getLayoutComposite(), SWT.NULL);
  69                 label_statement.setText(getItemStatement());
  70                 label_statement.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
  71
  72                 Link link = new Link(getLayoutComposite(), SWT.NONE);
  73                 link.setText("<a>" + getItemLink() + "</a>");
  74                 link.setData(getItemLinkData());
  75                 link.addSelectionListener(getLinkSelectionListener());
  76
  77                 // Label label_link = new Label(getLayoutComposite(), SWT.NULL);
  78                 // label_link.setText(link);
  79
  80         }
  81
  82         /**
  83          * @return
  84          */
  85         private SelectionListener getLinkSelectionListener() {
  86                 if (linkSelectionListener == null) {
  87                         linkSelectionListener = new SelectionAdapter() {
  88                                 /*
  89                                  * (non-Javadoc)
  90                                  *
  91                                  * @see
  92                                  * org.eclipse.swt.events.SelectionAdapter#widgetSelected(org
  93                                  * .eclipse.swt.events.SelectionEvent)
  94                                  */
  95                                 @Override
  96                                 public void widgetSelected(SelectionEvent e) {
  97                                         Object data = e.widget.getData();
  98
  99                                         if (data instanceof Taxon) {
 100                                                 try {
 101                                                         EditorUtil.openTaxonBase(((Taxon) data).getUuid());
 102                                                 } catch (PartInitException e1) {
 103                                                         // TODO Auto-generated catch block
 104                                                         e1.printStackTrace();
 105                                                 }
 106                                         }
 107                                 }
 108                         };
 109                 }
 110                 return linkSelectionListener;
 111         }
 112
 113         private String getItemNumber() {
 114                 if (isParentRoot()) {
 115                         return "root";
 116                 } else {
 117                         PolytomousKeyNode parent = getParent();
 118                         String itemNumber = parent.getNodeNumber() != null ? parent
 119                                         .getNodeNumber().toString() : "NaN";
 120
 121                         int index = parent.getChildren().indexOf(entity);
 122
 123                         for (int i = 0; i < index; i++) {
 124                                 itemNumber += "'";
 125                         }
 126
 127                         return itemNumber;
 128                 }
 129         }
 130
 131         private String getItemQuestion() {
 132                 if (isParentRoot()) {
 133                         return "";
 134                 } else {
 135                         KeyStatement question = getParent().getQuestion();
 136                         return question != null ? question.getLabelText(CdmStore
 137                                         .getDefaultLanguage()) : "";
 138                 }
 139
 140         }
 141
 142         private String getItemStatement() {
 143                 KeyStatement statement = entity.getStatement();
 144                 return statement != null ? CdmUtils.Nz(statement.getLabelText(CdmStore
 145                                 .getDefaultLanguage())) : "No statement";
 146         }
 147
 148         private String getItemLink() {
 149                 String taxonString = entity.getTaxon() != null ? entity.getTaxon()
 150                                 .getName().getTitleCache() : "Taxon empty";
 151
 152                 return entity.getChildren().isEmpty() ? taxonString : entity
 153                                 .getNodeNumber().toString();
 154         }
 155
 156         /**
 157          * @return
 158          */
 159         private Object getItemLinkData() {
 160                 return entity.getChildren().isEmpty() ? entity.getTaxon() : entity
 161                                 .getChildAt(0);
 162         }
 163
 164         private PolytomousKeyNode getParent() {
 165                 return entity.getParent();
 166         }
 167
 168         private boolean isParentRoot() {
 169                 return getParent() == null;
 170         }
 171
 172         /*
 173          * (non-Javadoc)
 174          *
 175          * @see
 176          * org.eclipse.ui.forms.IFormPart#initialize(org.eclipse.ui.forms.IManagedForm
 177          * )
 178          */
 179         @Override
 180         public void initialize(IManagedForm form) {
 181                 // TODO Auto-generated method stub
 182
 183         }
 184
 185         /*
 186          * (non-Javadoc)
 187          *
 188          * @see org.eclipse.ui.forms.IFormPart#isDirty()
 189          */
 190         @Override
 191         public boolean isDirty() {
 192                 return dirty;
 193         }
 194
 195         /*
 196          * (non-Javadoc)
 197          *
 198          * @see org.eclipse.ui.forms.IFormPart#commit(boolean)
 199          */
 200         @Override
 201         public void commit(boolean onSave) {
 202                 // TODO Auto-generated method stub
 203
 204         }
 205
 206         /*
 207          * (non-Javadoc)
 208          *
 209          * @see org.eclipse.ui.forms.IFormPart#setFormInput(java.lang.Object)
 210          */
 211         @Override
 212         public boolean setFormInput(Object input) {
 213                 // TODO Auto-generated method stub
 214                 return false;
 215         }
 216
 217         /*
 218          * (non-Javadoc)
 219          *
 220          * @see org.eclipse.ui.forms.IFormPart#setFocus()
 221          */
 222         @Override
 223         public void setFocus() {
 224                 // TODO Auto-generated method stub
 225
 226         }
 227
 228         /*
 229          * (non-Javadoc)
 230          *
 231          * @see org.eclipse.ui.forms.IFormPart#isStale()
 232          */
 233         @Override
 234         public boolean isStale() {
 235                 // TODO Auto-generated method stub
 236                 return false;
 237         }
 238
 239         /*
 240          * (non-Javadoc)
 241          *
 242          * @see org.eclipse.ui.forms.IFormPart#refresh()
 243          */
 244         @Override
 245         public void refresh() {
 246                 // TODO Auto-generated method stub
 247
 248         }
 249
 250         /*
 251          * (non-Javadoc)
 252          *
 253          * @see org.eclipse.ui.forms.IFormPart#dispose()
 254          */
 255         @Override
 256         public void dispose() {
 257                 // TODO Auto-generated method stub
 258
 259         }
 260
 261         /**
 262          * @return the entity
 263          */
 264         public PolytomousKeyNode getEntity() {
 265                 return entity;
 266         }
 267
 268         @Override
 269         public void setSelected(boolean selected) {
 270                 setBackground(selected ? SELECTED : getPersistentBackground());
 271         }
 272
 273 }