eclipseprojects/eu.etaxonomy.taxeditor/src/eu/etaxonomy/taxeditor/preference/FeaturePreferences.java

   1 /**
   2 * Copyright (C) 2007 EDIT
   3 * European Distributed Institute of Taxonomy
   4 * http://www.e-taxonomy.eu
   5 *
   6 * The contents of this file are subject to the Mozilla Public License Version 1.1
   7 * See LICENSE.TXT at the top of this package for the full license terms.
   8 */
   9 package eu.etaxonomy.taxeditor.preference;
  10
  11 import java.util.HashMap;
  12 import java.util.List;
  13 import java.util.Map;
  14
  15 import org.apache.log4j.Logger;
  16 import org.eclipse.jface.preference.PreferencePage;
  17 import org.eclipse.swt.SWT;
  18 import org.eclipse.swt.layout.GridLayout;
  19 import org.eclipse.swt.widgets.Button;
  20 import org.eclipse.swt.widgets.Composite;
  21 import org.eclipse.swt.widgets.Control;
  22 import org.eclipse.ui.IWorkbench;
  23 import org.eclipse.ui.IWorkbenchPreferencePage;
  24
  25 import eu.etaxonomy.cdm.model.description.Feature;
  26 import eu.etaxonomy.taxeditor.controller.PreferencesController;
  27 import eu.etaxonomy.taxeditor.model.CdmSessionDataRepository;
  28
  29 /**
  30  * @author p.ciardelli
  31  * @created 17.09.2008
  32  * @version 1.0
  33  */
  34 public class FeaturePreferences extends PreferencePage implements
  35                 IWorkbenchPreferencePage {
  36         private static final Logger logger = Logger
  37                         .getLogger(FeaturePreferences.class);
  38
  39         public static final String PLUGIN_ID = "eu.etaxonomy.taxeditor.preferences.feature";
  40
  41         private Map<Feature, Button> featureButtons;
  42
  43         private Composite container;
  44
  45         public FeaturePreferences() {
  46                 super();
  47                 setDescription("Choose which features you would like to use for descriptive elements.");
  48         }
  49
  50
  51         /**
  52          * Create contents of the preference page
  53          * @param parent
  54          */
  55         @Override
  56         public Control createContents(Composite parent) {
  57
  58                 featureButtons = new HashMap<Feature, Button>();
  59
  60                 container = new Composite(parent, SWT.NULL);
  61                 final GridLayout gridLayout = new GridLayout();
  62                 gridLayout.numColumns = 3;
  63                 container.setLayout(gridLayout);
  64
  65                 List<Feature> features =
  66                                 CdmSessionDataRepository.getDefault().getFeatures();
  67
  68                 // Purpose of this code block:
  69                 //      fill first column, then second, then third
  70                 Object[] array = features.toArray();
  71                 int count = features.size();
  72                 int colheight = count / 3;
  73                 if (count % 3 > 0) {
  74                         colheight++;
  75                 }
  76                 for (int i = 0; i < colheight; i++) {
  77                         createButton((Feature) array[i]);
  78                         if (i + colheight < count) {
  79                                 createButton((Feature) array[i + colheight]);
  80                         }
  81                         if (i + (colheight * 2) < count) {
  82                                 createButton((Feature) array[i + (colheight * 2)]);
  83                         }
  84                 }
  85                 return container;
  86         }
  87
  88
  89         /**
  90          * @param object
  91          */
  92         private void createButton(Feature feature) {
  93                 Button button = new Button(container, SWT.CHECK);
  94                 button.setText(feature.getLabel());
  95                 featureButtons.put(feature, button);
  96
  97                 if (PreferencesController.getFeaturePreference(feature)) {
  98                         button.setSelection(true);
  99                 }
 100         }
 101
 102
 103         /* (non-Javadoc)
 104          * @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
 105          */
 106         public void init(IWorkbench workbench) {
 107                 setPreferenceStore(PreferencesController.getPrefStore());
 108         }
 109
 110         /* (non-Javadoc)
 111          * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
 112          */
 113         protected void performDefaults() {
 114
 115                 // Set all buttons to show feature
 116                 for (Button button : featureButtons.values()) {
 117                         button.setSelection(true);
 118                 }
 119         }
 120
 121         /* (non-Javadoc)
 122          * @see org.eclipse.jface.preference.PreferencePage#performOk()
 123          */
 124         public boolean performOk() {
 125
 126                 for (Feature feature : featureButtons.keySet()) {
 127                         Button button = featureButtons.get(feature);
 128                         PreferencesController.setFeaturePreference(feature, button.getSelection());
 129                 }
 130
 131                 return true;
 132         }
 133 }