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 import eu.etaxonomy.cdm.strategy.parser.TimePeriodParser;
  20
  21 /**
  22  * <p>
  23  * DateDetailSection class.
  24  * </p>
  25  *
  26  * @author n.hoffmann
  27  * @created Mar 31, 2010
  28  * @version 1.0
  29  */
  30 public class DateDetailSection extends AbstractFormSection<TimePeriod> {
  31
  32         private final TextWithLabelElement text_freeText;
  33         private final PartialElement partialElement_start;
  34         private final PartialElement partialElement_end;
  35         private final TextWithLabelElement text_parseText;
  36         private int cursorPosition;
  37
  38         /**
  39          * <p>
  40          * Constructor for DateDetailSection.
  41          * </p>
  42          *
  43          * @param formFactory
  44          *            a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory}
  45          *            object.
  46          * @param parentElement
  47          *            a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement}
  48          *            object.
  49          * @param style
  50          *            a int.
  51          */
  52         protected DateDetailSection(CdmFormFactory formFactory,
  53                         ICdmFormElement parentElement, int style) {
  54                 super(formFactory, parentElement, style);
  55
  56                 partialElement_start = formFactory.createPartialElement(this,
  57                                 "Start: ", null, style);
  58                 partialElement_end = formFactory.createPartialElement(this, "End: ",
  59                                 null, style);
  60
  61                 text_parseText = formFactory.createTextWithLabelElement(this, "Parse",
  62                                 null, style);
  63                 text_parseText.getMainControl().setLayoutData(
  64                                 LayoutConstants.FILL_HORIZONTALLY(6, 1));
  65
  66                 text_freeText = formFactory.createTextWithLabelElement(this,
  67                                 "Freetext", null, style);
  68                 text_freeText.getMainControl().setLayoutData(
  69                                 LayoutConstants.FILL_HORIZONTALLY(6, 1));
  70
  71                 formFactory.addPropertyChangeListener(this);
  72         }
  73
  74         @Override
  75         public TimePeriod getEntity() {
  76                 if(super.getEntity() == null){
  77                         setEntity(TimePeriod.NewInstance());
  78                 }
  79                 return super.getEntity();
  80         }
  81
  82         /**
  83          * <p>
  84          * Setter for the field <code>timePeriod</code>.
  85          * </p>
  86          *
  87          * @param timePeriod
  88          *            a {@link eu.etaxonomy.cdm.model.common.TimePeriod} object.
  89          */
  90         @Override
  91         public void setEntity(TimePeriod timePeriod) {
  92                 setEntityInternally(timePeriod);
  93                 updateTitle();
  94                 text_parseText.setText(timePeriod.toString());
  95         }
  96
  97         /**
  98          * When setting the entity through parsing we do not want to alter the parse field
  99          * @param timePeriod
 100          */
 101         private void setEntityInternally(TimePeriod timePeriod){
 102                 Partial start = timePeriod.getStart();
 103                 partialElement_start.setPartial(start);
 104                 Partial end = timePeriod.getEnd();
 105                 partialElement_end.setPartial(end);
 106
 107                 ((Text) text_parseText.getMainControl()).setSelection(cursorPosition);
 108                 text_freeText.setText(timePeriod.getFreeText());
 109
 110                 super.setEntity(timePeriod);
 111         }
 112
 113         /** {@inheritDoc} */
 114         @Override
 115         public void propertyChange(PropertyChangeEvent event) {
 116                 if (event == null) {
 117                         return;
 118                 }
 119                 Object eventSource = event.getSource();
 120
 121                 if (getElements().contains(eventSource)) {
 122                         if (event instanceof CdmPropertyChangeEvent) {
 123                                 if (((CdmPropertyChangeEvent) event).hasException()) {
 124                                         handleException((CdmPropertyChangeEvent) event);
 125                                         return;
 126                                 }
 127                         }
 128                         handleEvent(eventSource);
 129                 }
 130         }
 131
 132         /**
 133          * @param event
 134          */
 135         private void handleException(CdmPropertyChangeEvent event) {
 136                 firePropertyChangeEvent(new CdmPropertyChangeEvent(this,
 137                                 event.getException()));
 138         }
 139
 140         private void handleEvent(Object eventSource) {
 141                 if (eventSource == partialElement_start) {
 142                         Partial start = partialElement_start.getPartial();
 143                         getEntity().setStart(start);
 144                 } else if (eventSource == partialElement_end) {
 145                         Partial end = partialElement_end.getPartial();
 146                         getEntity().setEnd(end);
 147                 } else if (eventSource == text_parseText) {
 148                         cursorPosition = ((Text) text_parseText.getMainControl())
 149                                         .getCaretPosition();
 150                         setEntityInternally(TimePeriodParser.parseString(text_parseText.getText()));
 151                 } else if (eventSource == text_freeText) {
 152                         getEntity().setFreeText(text_freeText.getText());
 153                 }
 154                 updateTitle();
 155                 firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
 156         }
 157
 158         private void updateTitle(){
 159                 String title = CdmUtils.Nz(getEntity().toString());
 160                 this.setText(title);
 161                 layout();
 162         }
 163
 164         /*
 165          * (non-Javadoc)
 166          *
 167          * @see eu.etaxonomy.taxeditor.forms.AbstractFormSection#dispose()
 168          */
 169         /** {@inheritDoc} */
 170         @Override
 171         public void dispose() {
 172                 formFactory.removePropertyChangeListener(this);
 173                 super.dispose();
 174         }
 175
 176 }