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/**
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*
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*/
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package eu.etaxonomy.taxeditor.ui.element;
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import java.util.ConcurrentModificationException;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.eclipse.core.runtime.Assert;
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import org.eclipse.jface.util.IPropertyChangeListener;
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import org.eclipse.jface.util.PropertyChangeEvent;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.ISelectionProvider;
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import org.eclipse.jface.viewers.IStructuredSelection;
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import org.eclipse.jface.viewers.SelectionChangedEvent;
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import org.eclipse.jface.viewers.StructuredSelection;
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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.Composite;
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import org.eclipse.swt.widgets.Control;
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import org.eclipse.swt.widgets.Display;
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import org.eclipse.swt.widgets.TypedListener;
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import org.eclipse.swt.widgets.Widget;
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import org.eclipse.ui.IEditorPart;
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import org.eclipse.ui.forms.widgets.Section;
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import org.eclipse.ui.forms.widgets.TableWrapLayout;
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import org.eclipse.ui.forms.widgets.ToggleHyperlink;
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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.store.StoreUtil;
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/**
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* <p>
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* Abstract AbstractFormSection class.
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* </p>
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*
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* @author n.hoffmann
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* @created Feb 22, 2010
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* @version 1.0
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* @param <T>
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*/
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public abstract class AbstractFormSection<ENTITY> extends Section implements
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ISelectionChangedListener, ICdmFormElement, IEntityElement<ENTITY>,
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IConversationEnabled {
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private ISelectionProvider selectionProvider;
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private ENTITY entity;
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private Set<ICdmFormElement> elements = new HashSet<ICdmFormElement>();
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protected CdmFormFactory formFactory;
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private List<IPropertyChangeListener> propertyChangeListeners;
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private ICdmFormElement parentElement;
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private Color persistentBackgroundColor;
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/**
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* <p>
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* Constructor for AbstractFormSection.
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* </p>
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*
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* @param conversation
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* TODO
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* @param style
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* a int.
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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 <ENTITY>
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* a ENTITY object.
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*/
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protected AbstractFormSection(CdmFormFactory formFactory, ICdmFormElement parentElement,
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int style) {
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super(parentElement.getLayoutComposite(), style);
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this.parentElement = parentElement;
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this.formFactory = formFactory;
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this.setLayoutData(CdmFormFactory.FILL());
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Composite client = formFactory.createComposite(this, SWT.WRAP);
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client.setBackgroundMode(SWT.INHERIT_DEFAULT);
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TableWrapLayout layout = CdmFormFactory.LAYOUT();
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layout.bottomMargin = 10;
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layout.rightMargin = 5;
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client.setLayout(layout);
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this.setClient(client);
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}
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/**
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* <p>
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* Constructor for AbstractFormSection.
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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 conversation
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* a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
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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 selectionProvider
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* a {@link org.eclipse.jface.viewers.ISelectionProvider} object.
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* @param style
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* a int.
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*/
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protected AbstractFormSection(CdmFormFactory formFactory,
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ICdmFormElement parentElement,
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ISelectionProvider selectionProvider, int style) {
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this(formFactory, parentElement, style);
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this.selectionProvider = selectionProvider;
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}
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/**
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* <p>
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* Getter for the field <code>propertyChangeListeners</code>.
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* </p>
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*
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* @return a {@link java.util.Set} object.
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*/
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public List<IPropertyChangeListener> getPropertyChangeListeners() {
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return propertyChangeListeners;
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}
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/** {@inheritDoc} */
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public void setPropertyChangeListeners(
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List<IPropertyChangeListener> propertyChangeListeners) {
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this.propertyChangeListeners = propertyChangeListeners;
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}
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/**
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* <p>
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* Setter for the field <code>entity</code>.
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* </p>
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*
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* @param entity
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* a ENTITY object.
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*/
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public void setEntity(ENTITY entity) {
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this.entity = entity;
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}
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/*
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* (non-Javadoc)
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*
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* @see eu.etaxonomy.taxeditor.forms.IEntityElement#getEntity()
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*/
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/**
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* <p>
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* Getter for the field <code>entity</code>.
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* </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>
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* getToggle
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* </p>
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*
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* @return a {@link org.eclipse.ui.forms.widgets.ToggleHyperlink} object.
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*/
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public ToggleHyperlink getToggle() {
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return this.toggle;
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}
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/**
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* <p>
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* getSection
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* </p>
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*
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* @return a {@link eu.etaxonomy.taxeditor.ui.element.AbstractFormSection}
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* object.
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*/
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public AbstractFormSection<ENTITY> getSection() {
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return this;
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}
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/*
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* (non-Javadoc)
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*
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* @see
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* eu.etaxonomy.taxeditor.forms.IPropertyChangeEmitter#firePropertyChangeEvent
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* ()
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*/
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/** {@inheritDoc} */
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public void firePropertyChangeEvent(CdmPropertyChangeEvent event) {
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Assert.isNotNull(propertyChangeListeners,
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"No property change listeners.");
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try {
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for (Object listener : propertyChangeListeners) {
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((IPropertyChangeListener) listener).propertyChange(event);
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}
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} catch (ConcurrentModificationException e) {
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StoreUtil.warn(getClass(),
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"ConcurrentModificationException while handling PropertyChangeEvents."
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+ " It seems like this is not critical");
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}
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}
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/**
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* Fires a {@link CdmPropertyChangeEvent} with the given object as source.
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*
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* @param object
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* the object on which the property changed
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*/
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public void firePropertyChangeEvent(Object object) {
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firePropertyChangeEvent(object, null);
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}
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/**
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* Fires a {@link CdmPropertyChangeEvent} with the given object as source
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* also containing the originating event
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*
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* @param object
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* the object on which the property changed
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* @param originatingEvent
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* the originating event
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*/
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public void firePropertyChangeEvent(Object object,
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PropertyChangeEvent originatingEvent) {
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firePropertyChangeEvent(new CdmPropertyChangeEvent(object,
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originatingEvent));
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}
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/*
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* (non-Javadoc)
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*
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* @see org.eclipse.swt.widgets.Composite#setFocus()
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*/
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/** {@inheritDoc} */
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@Override
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public boolean setFocus() {
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return getClient().setFocus();
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}
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/*
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* (non-Javadoc)
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*
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* @see
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* org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse
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* .jface.util.PropertyChangeEvent)
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*/
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/** {@inheritDoc} */
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public void propertyChange(PropertyChangeEvent event) {
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, event));
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}
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/*
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* (non-Javadoc)
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*
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* @see
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* org.eclipse.swt.widgets.Control#setBackground(org.eclipse.swt.graphics
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* .Color)
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*/
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/** {@inheritDoc} */
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@Override
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public void setBackground(Color color) {
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for (ICdmFormElement element : getElements()) {
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element.setBackground(color);
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}
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getLayoutComposite().setBackground(color);
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super.setBackground(color);
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}
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@Override
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public void setPersistentBackground(Color color) {
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persistentBackgroundColor = color;
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setBackground(color);
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}
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@Override
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public Color getPersistentBackground() {
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return persistentBackgroundColor;
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}
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/**
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* <p>
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* widgetSelected
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* </p>
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*
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* @param e
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* a {@link org.eclipse.swt.events.SelectionEvent} object.
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*/
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public void widgetSelected(SelectionEvent e) {
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Widget widget = e.widget;
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if (widget instanceof Control) {
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Control control = (Control) widget;
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if (checkControlAncestryForWidget(control)) {
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if (getEntity() != null) {
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IStructuredSelection selection = new StructuredSelection(
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getEntity());
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if (selectionProvider != null) {
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selectionProvider.setSelection(selection);
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}
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}
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}
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}
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}
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private boolean checkControlAncestryForWidget(Control control) {
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if (control.equals(this)) {
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return true;
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} else {
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Control parent = control.getParent();
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if (parent == null) {
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return false;
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} else {
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return checkControlAncestryForWidget(parent);
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}
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}
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}
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/** {@inheritDoc} */
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public void setSelected(boolean selected) {
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if (selected) {
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setBackground(Display.getCurrent().getSystemColor(
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SWT.COLOR_LIST_SELECTION));
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} else {
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setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
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}
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}
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/** {@inheritDoc} */
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public void selectionChanged(SelectionChangedEvent event) {
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if (event.getSelection() == CdmFormFactory.EMPTY_SELECTION) {
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return;
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}
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IStructuredSelection selection = (IStructuredSelection) event
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.getSelection();
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setSelected(false);
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Object selectedObject = selection.getFirstElement();
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if (selectedObject != null && selectedObject.equals(getEntity())) {
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setSelected(true);
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}
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}
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363
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/**
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* <p>
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* addSelectionListener
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* </p>
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368
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*
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* @param listener
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* a {@link org.eclipse.swt.events.SelectionListener} object.
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371
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*/
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public void addSelectionListener(SelectionListener listener) {
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addListener(SWT.Selection, new TypedListener(listener));
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}
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/**
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* <p>
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* removeSelectionListener
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* </p>
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380
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*
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381
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* @param listener
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* a {@link org.eclipse.swt.events.SelectionListener} object.
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*/
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384
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public void removeSelectionListener(SelectionListener listener) {
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removeListener(SWT.Selection, listener);
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}
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/** {@inheritDoc} */
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public void addElement(ICdmFormElement element) {
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elements.add(element);
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}
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/**
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* <p>
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* removeElement
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* </p>
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*
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398
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* @param element
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399
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* a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement}
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400
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* object.
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401
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*/
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402
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protected void removeElement(ICdmFormElement element) {
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403
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elements.remove(element);
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404
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}
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405
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406
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/**
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407
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* <p>
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408
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* removeElements
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409
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* </p>
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410
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*/
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411
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public void removeElements() {
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412
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for (ICdmFormElement childElement : getElements()) {
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413
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// recursion
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414
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childElement.removeElements();
|
|
415
|
|
|
416
|
// unregister selection arbitrator
|
|
417
|
if (childElement instanceof ISelectableElement) {
|
|
418
|
ISelectableElement selectableElement = (ISelectableElement) childElement;
|
|
419
|
if (selectableElement != null
|
|
420
|
&& selectableElement.getSelectionArbitrator() != null) {
|
|
421
|
formFactory.destroySelectionArbitrator(selectableElement
|
|
422
|
.getSelectionArbitrator());
|
|
423
|
}
|
|
424
|
}
|
|
425
|
|
|
426
|
// unregister propertyChangeListener
|
|
427
|
formFactory.removePropertyChangeListener(childElement);
|
|
428
|
|
|
429
|
// dispose of the controls
|
|
430
|
for (Control control : childElement.getControls()) {
|
|
431
|
// we added the layoutComposite of the parental element as the
|
|
432
|
// layout composite to this formElement
|
|
433
|
// but we do not want to destroy it.
|
|
434
|
if (control.equals(childElement.getLayoutComposite())) {
|
|
435
|
continue;
|
|
436
|
} else {
|
|
437
|
control.dispose();
|
|
438
|
control = null;
|
|
439
|
}
|
|
440
|
}
|
|
441
|
}
|
|
442
|
|
|
443
|
elements.clear();
|
|
444
|
}
|
|
445
|
|
|
446
|
/**
|
|
447
|
* <p>
|
|
448
|
* Getter for the field <code>parentElement</code>.
|
|
449
|
* </p>
|
|
450
|
*
|
|
451
|
* @return a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
|
|
452
|
*/
|
|
453
|
public ICdmFormElement getParentElement() {
|
|
454
|
return parentElement;
|
|
455
|
}
|
|
456
|
|
|
457
|
/**
|
|
458
|
* <p>
|
|
459
|
* Getter for the field <code>elements</code>.
|
|
460
|
* </p>
|
|
461
|
*
|
|
462
|
* @return a {@link java.util.Set} object.
|
|
463
|
*/
|
|
464
|
public Set<ICdmFormElement> getElements() {
|
|
465
|
return elements;
|
|
466
|
}
|
|
467
|
|
|
468
|
/**
|
|
469
|
* <p>
|
|
470
|
* getControls
|
|
471
|
* </p>
|
|
472
|
*
|
|
473
|
* @return a {@link java.util.Set} object.
|
|
474
|
*/
|
|
475
|
public Set<Control> getControls() {
|
|
476
|
Set<Control> controls = new HashSet<Control>();
|
|
477
|
|
|
478
|
for (Control control : getChildren()) {
|
|
479
|
controls.add(control);
|
|
480
|
}
|
|
481
|
|
|
482
|
return controls;
|
|
483
|
}
|
|
484
|
|
|
485
|
/** {@inheritDoc} */
|
|
486
|
@Override
|
|
487
|
public void dispose() {
|
|
488
|
removeElements();
|
|
489
|
super.dispose();
|
|
490
|
}
|
|
491
|
|
|
492
|
/**
|
|
493
|
* <p>
|
|
494
|
* getLayoutComposite
|
|
495
|
* </p>
|
|
496
|
*
|
|
497
|
* @return a {@link org.eclipse.swt.widgets.Composite} object.
|
|
498
|
*/
|
|
499
|
public Composite getLayoutComposite() {
|
|
500
|
return (Composite) getClient();
|
|
501
|
}
|
|
502
|
|
|
503
|
/** {@inheritDoc} */
|
|
504
|
public boolean containsFormElement(ICdmFormElement formElement) {
|
|
505
|
if (formElement == this) {
|
|
506
|
return true;
|
|
507
|
} else {
|
|
508
|
for (ICdmFormElement element : getElements()) {
|
|
509
|
boolean contains = element.containsFormElement(formElement);
|
|
510
|
if (contains == true) {
|
|
511
|
return true;
|
|
512
|
}
|
|
513
|
}
|
|
514
|
return false;
|
|
515
|
}
|
|
516
|
}
|
|
517
|
|
|
518
|
/**
|
|
519
|
* <p>
|
|
520
|
* Getter for the field <code>formFactory</code>.
|
|
521
|
* </p>
|
|
522
|
*
|
|
523
|
* @return a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
|
|
524
|
*/
|
|
525
|
public CdmFormFactory getFormFactory() {
|
|
526
|
return formFactory;
|
|
527
|
}
|
|
528
|
|
|
529
|
/*
|
|
530
|
* (non-Javadoc)
|
|
531
|
*
|
|
532
|
* @see eu.etaxonomy.taxeditor.forms.ICdmFormElement#refresh()
|
|
533
|
*/
|
|
534
|
/**
|
|
535
|
* <p>
|
|
536
|
* refresh
|
|
537
|
* </p>
|
|
538
|
*/
|
|
539
|
public void refresh() {
|
|
540
|
// empty default implementation
|
|
541
|
|
|
542
|
}
|
|
543
|
|
|
544
|
/**
|
|
545
|
* <p>
|
|
546
|
* getConversationHolder
|
|
547
|
* </p>
|
|
548
|
*
|
|
549
|
* @return a {@link eu.etaxonomy.cdm.api.conversation.ConversationHolder}
|
|
550
|
* object.
|
|
551
|
*/
|
|
552
|
public ConversationHolder getConversationHolder() {
|
|
553
|
if(getParentElement() instanceof RootElement || getParentElement() == null){
|
|
554
|
|
|
555
|
IEditorPart activeEditor = StoreUtil.getActiveEditor();
|
|
556
|
if(activeEditor instanceof IConversationEnabled){
|
|
557
|
ConversationHolder conversation = ((IConversationEnabled) StoreUtil.getActiveEditor()).getConversationHolder();
|
|
558
|
return conversation;
|
|
559
|
}
|
|
560
|
}else if(getParentElement() instanceof IConversationEnabled){
|
|
561
|
return ((IConversationEnabled) getParentElement()).getConversationHolder();
|
|
562
|
}
|
|
563
|
StoreUtil.errorDialog("Could not get conversation for AbstractFormSection",
|
|
564
|
getClass(), "There is an error in the implementation. There should have been an active editor but it wasn't",
|
|
565
|
new IllegalArgumentException());
|
|
566
|
return null;
|
|
567
|
|
|
568
|
}
|
|
569
|
|
|
570
|
/** {@inheritDoc} */
|
|
571
|
public void update(CdmDataChangeMap changeEvents) {
|
|
572
|
}
|
|
573
|
|
|
574
|
|
|
575
|
}
|