eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/element/PointElement.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.ui.element;
  12
  13 import java.text.ParseException;
  14
  15 import org.eclipse.jface.util.PropertyChangeEvent;
  16
  17 import eu.etaxonomy.cdm.model.location.Point;
  18 import eu.etaxonomy.cdm.model.location.ReferenceSystem;
  19 import eu.etaxonomy.taxeditor.preference.Resources;
  20 import eu.etaxonomy.taxeditor.ui.combo.TermComboElement;
  21
  22 /**
  23  * <p>
  24  * PointElement class.
  25  * </p>
  26  *
  27  * @author n.hoffmann
  28  * @created Oct 15, 2010
  29  * @version 1.0
  30  */
  31 public class PointElement extends AbstractCdmFormElement implements
  32                 IEntityElement<Point>, ISelectable {
  33
  34         private Point point;
  35
  36         private final TextWithLabelElement text_latitude;
  37         private final TextWithLabelElement text_longitude;
  38         private final NumberWithLabelElement number_errorRadius;
  39         private final TermComboElement<ReferenceSystem> combo_referenceSystem;
  40
  41         private final TextWithLabelElement text_latitudeParsed;
  42
  43         private final TextWithLabelElement text_longitudeParsed;
  44
  45         /**
  46          * <p>
  47          * Constructor for PointElement.
  48          * </p>
  49          *
  50          * @param formFactory
  51          *            a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory}
  52          *            object.
  53          * @param formElement
  54          *            a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement}
  55          *            object.
  56          * @param point
  57          *            a {@link eu.etaxonomy.cdm.model.location.Point} object.
  58          * @param style
  59          *            a int.
  60          */
  61         public PointElement(CdmFormFactory formFactory,
  62                         ICdmFormElement formElement, Point point, final int style) {
  63                 super(formFactory, formElement);
  64
  65                 formFactory.addPropertyChangeListener(this);
  66
  67                 text_latitude = formFactory.createTextWithLabelElement(formElement,
  68                                 "Latitude (hexagesimal)", null, style);
  69                 text_latitudeParsed = formFactory.createTextWithLabelElement(
  70                                 formElement, "", null, style);
  71                 text_latitudeParsed.setEnabled(false);
  72                 text_longitude = formFactory.createTextWithLabelElement(formElement,
  73                                 "Longitude (hexagesimal)", null, style);
  74                 text_longitudeParsed = formFactory.createTextWithLabelElement(
  75                                 formElement, "", null, style);
  76                 text_longitudeParsed.setEnabled(false);
  77                 number_errorRadius = formFactory.createNumberTextWithLabelElement(
  78                                 formElement, "Error Radius (m)", null, style);
  79                 combo_referenceSystem = formFactory
  80                                 .createTermComboElement(ReferenceSystem.class,
  81                                                 formElement, "Reference System", null, style);
  82
  83                 setPoint(point);
  84         }
  85
  86         /*
  87          * (non-Javadoc)
  88          *
  89          * @see
  90          * eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement#propertyChange(org
  91          * .eclipse.jface.util.PropertyChangeEvent)
  92          */
  93         /** {@inheritDoc} */
  94         @Override
  95         public void propertyChange(PropertyChangeEvent event) {
  96                 if (event == null) {
  97                         return;
  98                 }
  99
 100                 boolean propagate = false;
 101
 102                 Object eventSource = event.getSource();
 103                 if (eventSource == text_latitude) {
 104                         try {
 105                                 getPoint().setLatitudeByParsing(text_latitude.getText());
 106                                 text_latitudeParsed.setText(point.getLatitudeSexagesimal()
 107                                                 .toString(false));
 108                                 text_latitude
 109                                                 .setBackground(getColor(Resources.COLOR_COMPOSITE_BACKGROUND));
 110                                 propagate = true;
 111                         } catch (ParseException e) {
 112                                 text_latitude
 113                                                 .setBackground(getColor(Resources.COLOR_PARSE_ERROR));
 114                         }
 115                 } else if (eventSource == text_longitude) {
 116                         try {
 117                                 getPoint().setLongitudeByParsing(text_longitude.getText());
 118                                 text_longitudeParsed.setText(point.getLongitudeSexagesimal()
 119                                                 .toString(false));
 120                                 text_longitude
 121                                                 .setBackground(getColor(Resources.COLOR_COMPOSITE_BACKGROUND));
 122                                 propagate = true;
 123                         } catch (ParseException e) {
 124                                 text_longitude
 125                                                 .setBackground(getColor(Resources.COLOR_PARSE_ERROR));
 126                         }
 127                 } else if (eventSource == number_errorRadius) {
 128                         getPoint().setErrorRadius(number_errorRadius.getInteger());
 129                         propagate = true;
 130                 } else if (eventSource == combo_referenceSystem) {
 131                         getPoint().setReferenceSystem(combo_referenceSystem.getSelection());
 132                         propagate = true;
 133                 }
 134
 135                 if (propagate) {
 136                         firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
 137                 }
 138         }
 139
 140         /*
 141          * (non-Javadoc)
 142          *
 143          * @see eu.etaxonomy.taxeditor.forms.IEntityElement#getEntity()
 144          */
 145         /** {@inheritDoc} */
 146         @Override
 147         public Point getEntity() {
 148                 return getPoint();
 149         }
 150
 151         /**
 152          * <p>
 153          * setEntity
 154          * </p>
 155          *
 156          * @param point
 157          *            a {@link eu.etaxonomy.cdm.model.location.Point} object.
 158          */
 159         public void setEntity(Point point) {
 160                 setPoint(point);
 161         }
 162
 163         /**
 164          * <p>
 165          * Setter for the field <code>point</code>.
 166          * </p>
 167          *
 168          * @param point
 169          *            the point to set
 170          */
 171         public void setPoint(Point point) {
 172                 this.point = point;
 173                 if (point != null) {
 174                         String latitude = point.getLatitudeSexagesimal() == null ? ""
 175                                         : point.getLatitudeSexagesimal().toString(false);
 176                         String longitude = point.getLongitudeSexagesimal() == null ? ""
 177                                         : point.getLongitudeSexagesimal().toString(false);
 178                         text_latitude.setText(latitude);
 179                         text_latitudeParsed.setText(latitude);
 180                         text_longitude.setText(longitude);
 181                         text_longitudeParsed.setText(longitude);
 182                         number_errorRadius.setNumber(point.getErrorRadius());
 183                         combo_referenceSystem.setSelection(point.getReferenceSystem());
 184                 }
 185         }
 186
 187         /**
 188          * <p>
 189          * Getter for the field <code>point</code>.
 190          * </p>
 191          *
 192          * @return the point
 193          */
 194         public Point getPoint() {
 195                 if (point == null) {
 196                         point = Point.NewInstance();
 197                 }
 198
 199                 return point;
 200         }
 201
 202         public void setSelected(boolean selected) {
 203                 setBackground(selected ? SELECTED : getPersistentBackground());
 204         }
 205
 206 }