eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/ui/element/DateDetailSection.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 org.eclipse.jface.util.PropertyChangeEvent;
  14 import org.eclipse.swt.widgets.Text;
  15 import org.joda.time.Partial;
  16
  17 import eu.etaxonomy.cdm.common.CdmUtils;
  18 import eu.etaxonomy.cdm.model.common.TimePeriod;
  19
  20 /**
  21  * <p>
  22  * DateDetailSection class.
  23  * </p>
  24  *
  25  * @author n.hoffmann
  26  * @created Mar 31, 2010
  27  * @version 1.0
  28  */
  29 public class DateDetailSection extends AbstractFormSection<TimePeriod> {
  30
  31         private final TextWithLabelElement text_freeText;
  32         private final PartialElement partialElement_start;
  33         private final PartialElement partialElement_end;
  34         private final TextWithLabelElement text_parseText;
  35         private int cursorPosition;
  36
  37         /**
  38          * <p>
  39          * Constructor for DateDetailSection.
  40          * </p>
  41          *
  42          * @param formFactory
  43          *            a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory}
  44          *            object.
  45          * @param parentElement
  46          *            a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement}
  47          *            object.
  48          * @param style
  49          *            a int.
  50          */
  51         protected DateDetailSection(CdmFormFactory formFactory,
  52                         ICdmFormElement parentElement, int style) {
  53                 super(formFactory, parentElement, style);
  54
  55                 partialElement_start = formFactory.createPartialElement(this,
  56                                 "Start: ", null, style);
  57                 partialElement_end = formFactory.createPartialElement(this, "End: ",
  58                                 null, style);
  59
  60                 text_parseText = formFactory.createTextWithLabelElement(this, "Parse",
  61                                 null, style);
  62                 text_parseText.getMainControl().setLayoutData(
  63                                 LayoutConstants.FILL_HORIZONTALLY(6, 1));
  64
  65                 text_freeText = formFactory.createTextWithLabelElement(this,
  66                                 "Freetext", null, style);
  67                 text_freeText.getMainControl().setLayoutData(
  68                                 LayoutConstants.FILL_HORIZONTALLY(6, 1));
  69
  70                 formFactory.addPropertyChangeListener(this);
  71         }
  72
  73         @Override
  74         public TimePeriod getEntity() {
  75                 if(super.getEntity() == null){
  76                         setEntity(TimePeriod.NewInstance());
  77                 }
  78                 return super.getEntity();
  79         }
  80
  81         /**
  82          * <p>
  83          * Setter for the field <code>timePeriod</code>.
  84          * </p>
  85          *
  86          * @param timePeriod
  87          *            a {@link eu.etaxonomy.cdm.model.common.TimePeriod} object.
  88          */
  89         @Override
  90         public void setEntity(TimePeriod timePeriod) {
  91                 setEntityInternally(timePeriod);
  92                 updateTitle();
  93                 text_parseText.setText(timePeriod.toString());
  94         }
  95
  96         /**
  97          * When setting the entity through parsing we do not want to alter the parse field
  98          * @param timePeriod
  99          */
 100         private void setEntityInternally(TimePeriod timePeriod){
 101                 Partial start = timePeriod.getStart();
 102                 partialElement_start.setPartial(start);
 103                 Partial end = timePeriod.getEnd();
 104                 partialElement_end.setPartial(end);
 105
 106                 ((Text) text_parseText.getMainControl()).setSelection(cursorPosition);
 107                 text_freeText.setText(timePeriod.getFreeText());
 108
 109                 super.setEntity(timePeriod);
 110         }
 111
 112         /** {@inheritDoc} */
 113         @Override
 114         public void propertyChange(PropertyChangeEvent event) {
 115                 if (event == null) {
 116                         return;
 117                 }
 118                 Object eventSource = event.getSource();
 119
 120                 if (getElements().contains(eventSource)) {
 121                         if (event instanceof CdmPropertyChangeEvent) {
 122                                 if (((CdmPropertyChangeEvent) event).hasException()) {
 123                                         handleException((CdmPropertyChangeEvent) event);
 124                                         return;
 125                                 }
 126                         }
 127                         handleEvent(eventSource);
 128                 }
 129         }
 130
 131         /**
 132          * @param event
 133          */
 134         private void handleException(CdmPropertyChangeEvent event) {
 135                 firePropertyChangeEvent(new CdmPropertyChangeEvent(this,
 136                                 event.getException()));
 137         }
 138
 139         private void handleEvent(Object eventSource) {
 140                 if (eventSource == partialElement_start) {
 141                         Partial start = partialElement_start.getPartial();
 142                         getEntity().setStart(start);
 143                 } else if (eventSource == partialElement_end) {
 144                         Partial end = partialElement_end.getPartial();
 145                         getEntity().setEnd(end);
 146                 } else if (eventSource == text_parseText) {
 147                         cursorPosition = ((Text) text_parseText.getMainControl())
 148                                         .getCaretPosition();
 149                         setEntityInternally(TimePeriod.parseString(text_parseText.getText()));
 150                 } else if (eventSource == text_freeText) {
 151                         getEntity().setFreeText(text_freeText.getText());
 152                 }
 153                 updateTitle();
 154                 firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
 155         }
 156
 157         private void updateTitle(){
 158                 String title = CdmUtils.Nz(getEntity().toString());
 159                 this.setText(title);
 160                 layout();
 161         }
 162
 163         /*
 164          * (non-Javadoc)
 165          *
 166          * @see eu.etaxonomy.taxeditor.forms.AbstractFormSection#dispose()
 167          */
 168         /** {@inheritDoc} */
 169         @Override
 170         public void dispose() {
 171                 formFactory.removePropertyChangeListener(this);
 172                 super.dispose();
 173         }
 174
 175 }