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// $Id$
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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.section;
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import org.eclipse.jface.util.PropertyChangeEvent;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Layout;
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import org.eclipse.ui.forms.widgets.TableWrapLayout;
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import eu.etaxonomy.cdm.api.conversation.ConversationHolder;
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import eu.etaxonomy.cdm.api.conversation.IConversationEnabled;
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import eu.etaxonomy.cdm.persistence.hibernate.CdmDataChangeMap;
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import eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement;
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import eu.etaxonomy.taxeditor.forms.AbstractFormSection;
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import eu.etaxonomy.taxeditor.forms.CdmFormFactory;
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import eu.etaxonomy.taxeditor.forms.ICdmFormElement;
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import eu.etaxonomy.taxeditor.forms.IEntityElement;
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import eu.etaxonomy.taxeditor.forms.ISelectable;
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import eu.etaxonomy.taxeditor.model.ImageResources;
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/**
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* <p>Abstract AbstractEntityCollectionElement class.</p>
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*
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* @author n.hoffmann
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* @created Nov 16, 2009
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* @version 1.0
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*/
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public abstract class AbstractEntityCollectionElement<ENTITY> extends AbstractCdmFormElement implements IEntityElement<ENTITY>, SelectionListener, IConversationEnabled{
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protected ENTITY entity;
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private Composite container;
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private Composite box;
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private Button button_remove;
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private Color backgroundColor;
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/**
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* <p>Constructor for AbstractEntityCollectionElement.</p>
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*
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* @param backgroundColor TODO
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* @param style a int.
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* @param formFactory a {@link eu.etaxonomy.taxeditor.forms.CdmFormFactory} object.
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* @param section a {@link eu.etaxonomy.taxeditor.forms.AbstractFormSection} object.
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* @param entity a ENTITY object.
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* @param removeListener a {@link org.eclipse.swt.events.SelectionListener} object.
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* @param <ENTITY> a ENTITY object.
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*/
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public AbstractEntityCollectionElement(CdmFormFactory formFactory, AbstractFormSection section, ENTITY entity, SelectionListener removeListener,
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Color backgroundColor, int style) {
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super(formFactory, (ICdmFormElement) section);
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init();
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formFactory.addPropertyChangeListener(this);
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// section.getLayoutComposite().setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_CYAN));
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box = formFactory.createComposite(section.getLayoutComposite());
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box.setBackgroundMode(SWT.INHERIT_DEFAULT);
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addControl(box);
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TableWrapLayout boxLayout = CdmFormFactory.LAYOUT(2, false);
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boxLayout.topMargin = 4;
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boxLayout.bottomMargin = 4;
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box.setLayout(boxLayout);
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box.setLayoutData(CdmFormFactory.FILL_HORIZONTALLY());
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// box.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_BLUE));
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container = formFactory.createComposite(box);
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container.setBackgroundMode(SWT.INHERIT_DEFAULT);
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// container.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
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setLayoutComposite(container);
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addControl(container);
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Layout containerLayout = CdmFormFactory.LAYOUT(2, false);
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container.setLayout(containerLayout);
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container.setLayoutData(CdmFormFactory.FILL_HORIZONTALLY());
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if(removeListener != null){
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button_remove = formFactory.createButton(box, null, SWT.PUSH);
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addControl(button_remove);
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button_remove.setLayoutData(CdmFormFactory.RIGHT());
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button_remove.setImage(ImageResources.getImage(ImageResources.TRASH_ICON));
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button_remove.setToolTipText("Remove");
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button_remove.addSelectionListener(removeListener);
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}
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createControls(this, style);
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setEntity(entity);
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}
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/**
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* Init gets executed before any other setup of the section takes place
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*
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* Implement this if you want to configure the section
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*/
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public void init() {
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// default implementation is empty
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}
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/**
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* <p>Setter for the field <code>entity</code>.</p>
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*
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* @param entity a ENTITY object.
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*/
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public abstract void setEntity(ENTITY entity);
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/**
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* <p>Getter for the field <code>entity</code>.</p>
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*
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* @return a ENTITY object.
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*/
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public ENTITY getEntity(){
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return entity;
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}
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/**
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* <p>createControls</p>
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*
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* @param element a {@link eu.etaxonomy.taxeditor.forms.ICdmFormElement} object.
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* @param style a int.
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*/
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public abstract void createControls(ICdmFormElement element, int style);
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/** {@inheritDoc} */
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public void setSelected(boolean selected) {
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for(ICdmFormElement element : getElements()){
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if(element instanceof ISelectable){
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((ISelectable)element).setSelected(selected);
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}
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}
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this.setBackground(getColor(selected));
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}
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/*
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* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
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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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handleEvent(eventSource);
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}
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}
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/**
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* <p>handleEvent</p>
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*
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* @param eventSource a {@link java.lang.Object} object.
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*/
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public abstract void handleEvent(Object eventSource);
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/*
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* (non-Javadoc)
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* @see eu.etaxonomy.taxeditor.forms.AbstractCdmFormElement#getColor(boolean)
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*/
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/** {@inheritDoc} */
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@Override
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public Color getColor(boolean selected) {
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return selected ? SELECTED : backgroundColor;
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}
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/** {@inheritDoc} */
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public void setBackground(Color color){
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container.setBackground(color);
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box.setBackground(color);
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for(ICdmFormElement element : getElements()){
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element.setBackground(color);
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}
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}
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/**
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* {@inheritDoc}
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*
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* React when selection occurs
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*/
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public void widgetSelected(SelectionEvent e) {
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}
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/** {@inheritDoc} */
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public void widgetDefaultSelected(SelectionEvent e) {}
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/** {@inheritDoc} */
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@Override
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public Composite getLayoutComposite() {
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return container;
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}
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/**
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* <p>Setter for the field <code>backgroundColor</code>.</p>
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*
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* @param backgroundColor the backgroundColor to set
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*/
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public void setBackgroundColor(Color backgroundColor) {
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this.backgroundColor = backgroundColor;
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getLayoutComposite().setBackground(backgroundColor);
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setBackground(backgroundColor);
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}
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/**
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* <p>Getter for the field <code>backgroundColor</code>.</p>
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*
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* @return the backgroundColor
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*/
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public Color getBackgroundColor() {
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return backgroundColor;
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}
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/**
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* <p>getConversationHolder</p>
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*
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* @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder} object.
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*/
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public ConversationHolder getConversationHolder() {
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if(getParentElement() instanceof IConversationEnabled){
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return ((IConversationEnabled) getParentElement()).getConversationHolder();
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}
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throw new IllegalArgumentException("Parent element should be IConversationEnabled");
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}
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/** {@inheritDoc} */
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public void update(CdmDataChangeMap changeEvents) {}
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}
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