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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.printpublisher.wizard;
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import java.lang.reflect.InvocationTargetException;
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import java.util.List;
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import org.eclipse.core.runtime.IProgressMonitor;
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import org.eclipse.jface.operation.IRunnableWithProgress;
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import org.eclipse.jface.viewers.ColumnLabelProvider;
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import org.eclipse.jface.viewers.ILabelProvider;
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import org.eclipse.jface.viewers.ISelectionChangedListener;
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import org.eclipse.jface.viewers.ITreeContentProvider;
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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.jface.viewers.TreeViewer;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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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.Display;
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import org.jdom.Element;
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import eu.etaxonomy.cdm.print.IXMLEntityFactory;
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import eu.etaxonomy.cdm.print.XMLHelper;
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import eu.etaxonomy.cdm.print.XMLHelper.EntityType;
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import eu.etaxonomy.taxeditor.store.StoreUtil;
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/**
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* <p>SelectTaxaWizardPage class.</p>
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*
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* @author n.hoffmann
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* @created Apr 6, 2010
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* @version 1.0
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*/
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public class SelectTaxaWizardPage extends AbstractPublishWizardPage {
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private Composite composite;
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private TreeViewer treeViewer;
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private Button button_refresh;
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/**
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* <p>Constructor for SelectTaxaWizardPage.</p>
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*
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* @param pageName a {@link java.lang.String} object.
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*/
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public SelectTaxaWizardPage(String pageName) {
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super(pageName);
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setTitle("Select Taxa to export.");
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite)
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*/
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/** {@inheritDoc} */
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public void createControl(Composite parent) {
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composite = new Composite(parent, SWT.NULL);
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composite.setLayout(new GridLayout());
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treeViewer = new TreeViewer(composite);
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treeViewer.setContentProvider(new ContentProvider());
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treeViewer.setLabelProvider(new LabelProvider());
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treeViewer.addSelectionChangedListener(new SelectionChangedListener());
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treeViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
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setControl(composite);
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}
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/**
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* <p>refresh</p>
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*/
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public void refresh(){
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if(getConfigurator() != null){
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IRunnableWithProgress runnable = new IRunnableWithProgress(){
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@Override
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public void run(IProgressMonitor monitor) {
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IXMLEntityFactory factory = getConfigurator().getFactory();
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final List<Element> classifications = factory.getClassifications();
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Display.getDefault().asyncExec(new Runnable(){
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@Override
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public void run() {
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treeViewer.setInput(classifications);
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}
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});
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}
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};
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try {
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getContainer().run(true, false, runnable);
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} catch (InvocationTargetException e) {
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StoreUtil.error(this.getClass(), e);
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} catch (InterruptedException e) {
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StoreUtil.error(this.getClass(), e);
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}
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}
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}
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private class SelectionChangedListener implements ISelectionChangedListener {
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public void selectionChanged(SelectionChangedEvent event) {
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StructuredSelection selection = (StructuredSelection) treeViewer.getSelection();
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List<Element> selectedElements = selection.toList();
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if(selectedElements.size() > 0){
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getConfigurator().setSelectedTaxonNodeElements(selectedElements);
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setPageComplete(true);
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}
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}
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}
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private class ContentProvider implements ITreeContentProvider{
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public Object[] getChildren(Object parentElement) {
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if(parentElement instanceof List){
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return ((List)parentElement).toArray();
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}
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else if(parentElement instanceof Element){
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Element element = (Element) parentElement;
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IXMLEntityFactory factory = getConfigurator().getFactory();
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return factory != null ? factory.getChildNodes(element).toArray() : new Object[]{};
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}
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return new Object[]{};
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}
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public Object getParent(Object element) {
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// TODO Auto-generated method stub
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return null;
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}
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public boolean hasChildren(Object element) {
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return getChildren(element).length > 0;
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}
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public Object[] getElements(Object inputElement) {
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return getChildren(inputElement);
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}
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public void dispose() {
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// TODO Auto-generated method stub
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}
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public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
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// TODO Auto-generated method stub
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}
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}
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private class LabelProvider extends ColumnLabelProvider
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implements ILabelProvider{
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@Override
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public String getText(Object element) {
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if(element instanceof Element){
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Element xmlElement = (Element) element;
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EntityType entityType = XMLHelper.getEntityType(xmlElement);
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if(EntityType.TAXON_NODE.equals(entityType)){
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xmlElement = getConfigurator().getFactory().getTaxonForTaxonNode(xmlElement);
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}
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return XMLHelper.getTitleCache(xmlElement);
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}
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return "no title cache";
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}
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}
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/** {@inheritDoc} */
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@Override
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public boolean canFlipToNextPage() {
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return isPageComplete();
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}
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/** {@inheritDoc} */
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@Override
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public boolean isPageComplete() {
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return getConfigurator().getSelectedTaxonNodeElements() != null && getConfigurator().getSelectedTaxonNodeElements().size() > 0;
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}
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}
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