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package eu.etaxonomy.taxeditor.ui.element;
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import org.eclipse.jface.util.PropertyChangeEvent;
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import org.eclipse.swt.widgets.Text;
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import org.joda.time.Partial;
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import eu.etaxonomy.cdm.common.CdmUtils;
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import eu.etaxonomy.cdm.model.common.TimePeriod;
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import eu.etaxonomy.cdm.strategy.parser.TimePeriodParser;
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public abstract class DateDetailSectionBase<T extends TimePeriod>
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extends AbstractFormSection<T> {
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protected TextWithLabelElement text_freeText;
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private PartialElement partialElement_start;
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private PartialElement partialElement_end;
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private TextWithLabelElement text_parseText;
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private int cursorPosition;
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public int getCursorPosition() {
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return cursorPosition;
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}
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public void setCursorPosition(int cursorPosition) {
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this.cursorPosition = cursorPosition;
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}
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/**
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* <p>
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* Constructor for DateDetailSection.
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* </p>
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*
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* @param formFactory
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* a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory}
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* object.
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* @param parentElement
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* a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement}
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* object.
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* @param style
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* a int.
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*/
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protected DateDetailSectionBase(CdmFormFactory formFactory,
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ICdmFormElement parentElement, int style) {
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super(formFactory, parentElement, style);
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partialElement_start = formFactory.createPartialElement(this,
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"Start ", null, style);
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partialElement_end = formFactory.createPartialElement(this, "End ",
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null, style);
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setText_parseText(formFactory.createTextWithLabelElement(this, "Parse",
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null, style));
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getText_parseText().getMainControl().setLayoutData(
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LayoutConstants.FILL_HORIZONTALLY(6, 1));
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text_freeText = formFactory.createTextWithLabelElement(this,
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"Freetext", null, style);
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text_freeText.getMainControl().setLayoutData(
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LayoutConstants.FILL_HORIZONTALLY(6, 1));
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formFactory.addPropertyChangeListener(this);
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}
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@Override
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public final T getEntity() {
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if(super.getEntity() == null){
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T newInstance = newInstance();
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this.setEntity(newInstance);
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}
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return super.getEntity();
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}
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protected abstract T newInstance();
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/**
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* <p>
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* Setter for the field <code>timePeriod</code>.
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* </p>
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*
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* @param timePeriod
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* a {@link eu.etaxonomy.cdm.model.common.TimePeriod} object.
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*/
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@Override
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public void setEntity(T timePeriod) {
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setEntityInternally(timePeriod);
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updateTitle();
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getText_parseText().setText(timePeriod.toString());
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}
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/**
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* When setting the entity through parsing we do not want to alter the parse field
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* @param timePeriod
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*/
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protected void setEntityInternally(T timePeriod){
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Partial start = timePeriod.getStart();
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partialElement_start.setPartial(start);
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Partial end = timePeriod.getEnd();
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partialElement_end.setPartial(end);
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((Text) getText_parseText().getMainControl()).setSelection(cursorPosition);
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text_freeText.setText(timePeriod.getFreeText());
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super.setEntity(timePeriod);
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}
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/** {@inheritDoc} */
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@Override
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public void propertyChange(PropertyChangeEvent event) {
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if (event == null) {
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return;
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}
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Object eventSource = event.getSource();
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if (getElements().contains(eventSource)) {
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if (event instanceof CdmPropertyChangeEvent) {
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if (((CdmPropertyChangeEvent) event).hasException()) {
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handleException((CdmPropertyChangeEvent) event);
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return;
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}
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}
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handleEvent(eventSource);
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}
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}
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/**
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* @param event
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*/
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private void handleException(CdmPropertyChangeEvent event) {
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this,
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event.getException()));
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}
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protected void handleEvent(Object eventSource) {
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if (eventSource == partialElement_start) {
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Partial start = partialElement_start.getPartial();
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getEntity().setStart(start);
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} else if (eventSource == partialElement_end) {
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Partial end = partialElement_end.getPartial();
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getEntity().setEnd(end);
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} else if (eventSource == getText_parseText()) {
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cursorPosition = ((Text) getText_parseText().getMainControl())
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.getCaretPosition();
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T newInstance = parseNewInstance();
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setEntityInternally(newInstance);
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} else if (eventSource == text_freeText) {
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getEntity().setFreeText(text_freeText.getText());
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}
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updateTitle();
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, null));
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}
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protected T parseNewInstance() {
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@SuppressWarnings("unchecked")
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T result = (T)TimePeriodParser.parseString(getText_parseText().getText());
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return result;
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}
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protected void updateTitle(){
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String title = CdmUtils.Nz(getEntity().toString());
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this.setText(title);
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layout();
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}
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/** {@inheritDoc} */
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@Override
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public void dispose() {
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formFactory.removePropertyChangeListener(this);
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super.dispose();
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}
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public TextWithLabelElement getText_parseText() {
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return text_parseText;
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}
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public void setText_parseText(TextWithLabelElement text_parseText) {
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this.text_parseText = text_parseText;
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}
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}
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