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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.ui.term;
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import java.util.ArrayList;
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import java.util.List;
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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.Combo;
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import org.eclipse.swt.widgets.Label;
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import eu.etaxonomy.taxeditor.preference.Resources;
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import eu.etaxonomy.taxeditor.singlesource.ui.forms.CdmFormFactoryFacade;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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import eu.etaxonomy.taxeditor.ui.forms.AbstractCdmFormElement;
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import eu.etaxonomy.taxeditor.ui.forms.CdmPropertyChangeEvent;
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import eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement;
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import eu.etaxonomy.taxeditor.ui.forms.IEnableableFormElement;
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/**
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* <p>Abstract AbstractEnumComboElement class.</p>
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*
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* @author n.hoffmann
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* @created Mar 16, 2010
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* @version 1.0
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*/
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public abstract class AbstractEnumComboElement<T extends Enum> extends AbstractCdmFormElement implements SelectionListener, IEnableableFormElement{
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private static final int VISIBLE_ITEMS = 10;
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protected T selection;
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protected List<T> elementTypeList = new ArrayList<T>();
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private Label label;
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protected Combo combo;
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/**
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* <p>Constructor for AbstractEnumComboElement.</p>
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*
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* @param formFactory a {@link eu.etaxonomy.taxeditor.singlesource.ui.forms.CdmFormFactoryFacade} object.
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* @param parentElement a {@link eu.etaxonomy.taxeditor.ui.forms.ICdmFormElement} object.
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* @param labelString a {@link java.lang.String} object.
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* @param <T> a T object.
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*/
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public AbstractEnumComboElement(CdmFormFactoryFacade formFactory,
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ICdmFormElement parentElement, String labelString) {
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super(formFactory, parentElement);
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label = formFactory.createLabel(getLayoutComposite(), labelString);
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addControl(label);
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// create combo
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combo = new Combo(getLayoutComposite(), SWT.BORDER | SWT.READ_ONLY);
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addControl(combo);
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combo.setLayoutData(CdmFormFactoryFacade.FILL_HORIZONTALLY());
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combo.setVisibleItemCount(VISIBLE_ITEMS);
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populateTypes();
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combo.addSelectionListener(this);
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}
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/**
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* <p>populateTypes</p>
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*/
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protected abstract void populateTypes();
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/**
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* <p>Setter for the field <code>selection</code>.</p>
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*
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* @param selection the selection to set
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*/
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public void setSelection(T selection) {
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this.selection = selection;
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combo.select(elementTypeList.indexOf(selection));
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}
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/**
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* <p>addSelectionListener</p>
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*
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* @param listener a {@link org.eclipse.swt.events.SelectionListener} object.
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*/
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public void addSelectionListener(SelectionListener listener){
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combo.addSelectionListener(listener);
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}
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/**
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* <p>removeSelectionListener</p>
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*
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* @param listener a {@link org.eclipse.swt.events.SelectionListener} object.
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*/
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public void removeSelectionListener(SelectionListener listener){
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combo.removeSelectionListener(listener);
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}
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/** {@inheritDoc} */
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public void setSelected(boolean selected) {
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label.setBackground(getColor(selected));
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}
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/**
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* <p>Getter for the field <code>selection</code>.</p>
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*
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* @return the selection
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*/
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public T getSelection() {
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return selection;
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}
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/** {@inheritDoc} */
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public void setEnabled(boolean enabled) {
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combo.setEnabled(enabled);
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}
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/* (non-Javadoc)
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* @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent)
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*/
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/** {@inheritDoc} */
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public void widgetSelected(SelectionEvent e) {
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selection = elementTypeList.get(combo.getSelectionIndex());
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, e));
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}
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/** {@inheritDoc} */
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public void setIrrelevant(boolean irrelevant) {
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String colorId = irrelevant ? Resources.COLOR_COMPOSITE_IRRELEVANT : Resources.COLOR_COMPOSITE_BACKGROUND;
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Color color = StoreUtil.getColor(colorId);
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combo.setBackground(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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label.setBackground(color);
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}
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/** {@inheritDoc} */
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public void widgetDefaultSelected(SelectionEvent e) {}
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}
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