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