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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.featuretree;
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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.jface.viewers.CheckboxTableViewer;
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import org.eclipse.jface.wizard.WizardPage;
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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.Composite;
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import eu.etaxonomy.cdm.model.description.Feature;
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import eu.etaxonomy.cdm.model.description.FeatureTree;
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import eu.etaxonomy.taxeditor.preference.menu.DefinedTermBaseContentProvider;
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import eu.etaxonomy.taxeditor.preference.menu.DefinedTermBaseLabelProvider;
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import eu.etaxonomy.taxeditor.store.CdmStore;
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/**
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* <p>AvailableFeaturesWizardPage class.</p>
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*
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* @author n.hoffmann
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* @created Aug 5, 2010
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* @version 1.0
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*/
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public class AvailableFeaturesWizardPage extends WizardPage {
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private CheckboxTableViewer viewer;
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private FeatureTree featureTree;
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/**
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* <p>Constructor for AvailableFeaturesWizardPage.</p>
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*
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* @param featureTree a {@link eu.etaxonomy.cdm.model.description.FeatureTree} object.
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*/
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protected AvailableFeaturesWizardPage(FeatureTree featureTree) {
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super("AvailableFeaturesWizardPage");
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this.featureTree = featureTree;
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setTitle("Available Features");
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setDescription("Please select features you want to add to the tree. Features already in the tree do not show.");
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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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@Override
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public void createControl(Composite parent) {
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Composite composite = new Composite(parent, SWT.NULL);
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composite.setLayout(new GridLayout());
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viewer = CheckboxTableViewer.newCheckList(composite, SWT.NULL);
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viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
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viewer.setContentProvider(new DefinedTermBaseContentProvider());
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viewer.setLabelProvider(new DefinedTermBaseLabelProvider());
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viewer.setInput(getAvailableFeatures());
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setControl(composite);
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}
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/**
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* <p>getSelectedFeatures</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 Set<Feature> getSelectedFeatures() {
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Object[] checkedElements = viewer.getCheckedElements();
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Set<Feature> features = new HashSet<Feature>(checkedElements.length);
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for(Object element : checkedElements){
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features.add((Feature) element);
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}
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return features;
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}
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/**
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* We want to show only features that are not already in the featureTree
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*
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* @return
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*/
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private List<Feature> getAvailableFeatures(){
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List<Feature> preferredFeatures = CdmStore.getTermManager().getPreferredTerms(Feature.class);
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for(Feature featureAlreadyInTree : featureTree.getDistinctFeatures()){
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preferredFeatures.remove(featureAlreadyInTree);
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}
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return preferredFeatures;
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}
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}
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