eclipseprojects/eu.etaxonomy.taxeditor/src/eu/etaxonomy/taxeditor/editor/description/DescriptionElementComposite.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
  10 package eu.etaxonomy.taxeditor.editor.description;
  11
  12 import org.apache.log4j.Logger;
  13 import org.eclipse.core.commands.operations.IUndoContext;
  14 import org.eclipse.core.commands.operations.IUndoableOperation;
  15 import org.eclipse.jface.action.Action;
  16 import org.eclipse.jface.resource.ImageDescriptor;
  17 import org.eclipse.swt.graphics.Font;
  18 import org.eclipse.swt.graphics.Image;
  19 import org.eclipse.swt.widgets.Composite;
  20 import org.eclipse.ui.forms.IManagedForm;
  21 import org.eclipse.ui.views.properties.IPropertySource;
  22
  23 import eu.etaxonomy.cdm.model.common.Language;
  24 import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
  25 import eu.etaxonomy.cdm.model.description.TextData;
  26 import eu.etaxonomy.taxeditor.ITaxEditorConstants;
  27 import eu.etaxonomy.taxeditor.TaxEditorPlugin;
  28 import eu.etaxonomy.taxeditor.controller.EditorController;
  29 import eu.etaxonomy.taxeditor.controller.GlobalController;
  30 import eu.etaxonomy.taxeditor.editor.ContextMenu;
  31 import eu.etaxonomy.taxeditor.editor.GroupedComposite;
  32 import eu.etaxonomy.taxeditor.operations.description.RemoveElementOperation;
  33 import eu.etaxonomy.taxeditor.propertysheet.description.DescriptionElementPropertySource;
  34
  35 /**
  36  * @author p.ciardelli
  37  * @created 02.06.2008
  38  * @version 1.0
  39  */
  40 public class DescriptionElementComposite extends GroupedComposite {
  41         private static final Logger logger = Logger.getLogger(DescriptionElementComposite.class);
  42
  43         /**
  44          * ************ COMPOSITE TYPES ************
  45          */
  46         public static final String TEXT_DATA = "text_data";
  47         public static final String COMMON_TAXON_NAME = "common_taxon_name";
  48         public static final String DISTRIBUTION = "distribution";
  49
  50         /**
  51          * ************ FONTS ************
  52          */
  53         public static final Font ELEMENT_FONT = TaxEditorPlugin.getDefault()
  54                         .getFont(ITaxEditorConstants.SYNONYM_FONT);
  55
  56         /**
  57          * ************ ICONS ************
  58          */
  59         public static final Image BLACK_SQUARE_ICON = TaxEditorPlugin.getDefault()
  60                         .getImage(ITaxEditorConstants.BLACK_SQUARE_ICON);
  61
  62         private DescriptionElementBase element;
  63
  64         private IUndoContext undoContext;
  65
  66         private static final String EMPTY_NAME_PROMPT = "Click to add descriptive element text";
  67
  68         public DescriptionElementComposite(Composite parent, IManagedForm managedForm,
  69                         DescriptionElementBase element) {
  70                 super(parent, managedForm);
  71
  72                 this.element = element;
  73
  74                 this.undoContext = EditorController.getUndoContext(taxon);
  75
  76                 createTextViewer();
  77                 createBorderSupport();
  78                 createLineWrapSupport();
  79
  80                 createParser();
  81                 createEmptyViewerPrompt(EMPTY_NAME_PROMPT);
  82
  83                 setIsDraggable(false);
  84                 setIcon(BLACK_SQUARE_ICON);
  85                 setFont(getViewerFont());
  86
  87                 createMenu();
  88
  89                 initTextViewer();
  90         }
  91
  92         private void initTextViewer() {
  93
  94                 String text = null;
  95                 if (element instanceof TextData) {
  96                         text = ((TextData) element).getText(Language.DEFAULT());
  97                 }
  98                 if (text == null) {
  99                         text = "";
 100                 }
 101
 102                 textViewer.getTextWidget().setText(text);
 103         }
 104
 105         public DescriptionElementBase getElement() {
 106                 return element;
 107         }
 108
 109         protected void parse(String text) {
 110
 111                 if (getElement() instanceof TextData) {
 112                         ((TextData) getElement()).putText(text, Language.DEFAULT());
 113                 }
 114
 115                 setDirty(true);
 116         }
 117
 118         private void createMenu() {
 119                 ContextMenu contextMenu = createContextMenu();
 120
 121                 // Delete this description element
 122                 String text = "Delete description element";
 123                 ImageDescriptor image = TaxEditorPlugin.getDefault()
 124                                 .getImageDescriptor(ITaxEditorConstants.ACTIVE_DELETE_ICON);
 125                 contextMenu.addAction(new Action(text, image){
 126
 127                         public void run() {
 128                                 IUndoableOperation operation = new RemoveElementOperation
 129                                                 (this.getText(), undoContext, taxon, element);
 130
 131                                 GlobalController.executeOperation(operation);
 132                         }
 133                 });
 134         }
 135
 136
 137         public IPropertySource getPropertySource() {
 138                 return new DescriptionElementPropertySource(getElement());
 139         }
 140
 141         @Override
 142         protected Font getViewerFont() {
 143                 return ELEMENT_FONT;
 144         }
 145
 146         public Object getData () {
 147                 return getElement();
 148         }
 149 }