Revision 0d4ff026
Added by Alex Theys almost 12 years ago
| eu.etaxonomy.taxeditor.editor/src/main/java/eu/etaxonomy/taxeditor/editor/view/uses/UsesContentProvider.java | ||
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import eu.etaxonomy.cdm.model.taxon.Taxon; |
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import eu.etaxonomy.taxeditor.editor.TaxonEditorInput; |
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import eu.etaxonomy.taxeditor.editor.UsageTermCollection; |
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import eu.etaxonomy.taxeditor.editor.view.descriptive.DescriptiveContentProvider; |
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainer; |
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import eu.etaxonomy.taxeditor.model.FeatureNodeContainerTree; |
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import eu.etaxonomy.taxeditor.preference.PreferencesUtil; |
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* @created mar 13, 2012 |
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* @version 1.0 |
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*/ |
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public class UsesContentProvider implements ITreeContentProvider {
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public class UsesContentProvider extends DescriptiveContentProvider implements ITreeContentProvider {
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private static final Object[] NO_CHILDREN = new Object[0]; |
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private Map<TaxonDescription, FeatureNodeContainerTree> featureNodeContainerCache; |
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Set<MarkerType> markerTypes = new HashSet<MarkerType>(); |
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/** |
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* @param featureNodeContainerCache a {@link java.util.Map} object.
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*/ |
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public UsesContentProvider(Map<TaxonDescription, FeatureNodeContainerTree> featureNodeContainerCache) {
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super(featureNodeContainerCache); |
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this.featureNodeContainerCache = featureNodeContainerCache; |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
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*/ |
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/** {@inheritDoc} */
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public Object[] getChildren(Object parentElement) {
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if (parentElement instanceof TaxonEditorInput) {
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return getDescriptions((TaxonEditorInput) parentElement).toArray(); |
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} |
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else if (parentElement instanceof TaxonDescription) {
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if ( ! ((TaxonDescription) parentElement).isImageGallery()) {
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TaxonDescription description = (TaxonDescription) parentElement; |
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FeatureNodeContainerTree containerTree = getContainerTreeForDesription(description); |
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return containerTree.getRoot().getChildren().toArray(); |
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} |
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} |
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else if (parentElement instanceof FeatureNodeContainer){
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FeatureNodeContainer container = (FeatureNodeContainer) parentElement; |
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if(container.isLeaf()){
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return container.getDescriptionElements().toArray(); |
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}else{
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return container.getChildren().toArray(); |
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} |
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} |
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return NO_CHILDREN; |
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} |
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private FeatureNodeContainerTree getContainerTreeForDesription(TaxonDescription description){
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if(! featureNodeContainerCache.containsKey(description)){
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FeatureNodeContainerTree containerTree = new FeatureNodeContainerTree(description, getFeatureTree(description)); |
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featureNodeContainerCache.put(description, containerTree); |
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} |
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return featureNodeContainerCache.get(description); |
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} |
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/** {@inheritDoc} */
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@Override |
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public boolean hasChildren(Object element) {
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if (element instanceof TaxonDescription){
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TaxonDescription description = (TaxonDescription) element; |
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FeatureNodeContainerTree containerTree = featureNodeContainerCache.get(description); |
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if(containerTree != null && containerTree.getRoot() != null){
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return containerTree.getRoot().getChildren().size() != 0; |
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} |
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} |
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return getChildren(element).length != 0; |
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} |
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/** |
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* Retrieves the feature tree associated with the given description |
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* |
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* TODO as of now this is always the same thing because feature trees may not be associated |
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* to descriptions yet. |
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* |
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* @param description |
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* @return |
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*/ |
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private FeatureTree getFeatureTree(DescriptionBase description){
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FeatureTree featureTree = null; |
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// TODO change this to the feature tree associated with this taxon description |
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if (description.hasStructuredData()){
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featureTree = PreferencesUtil.getDefaultFeatureTreeForStructuredDescription(); |
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}else{
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featureTree = PreferencesUtil.getDefaultFeatureTreeForTextualDescription(); |
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} |
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// create a transient tree with all features if none was selected |
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if(featureTree == null){
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featureTree = FeatureTree.NewInstance(TermStore.getTerms(Feature.class)); |
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} |
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return featureTree; |
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} |
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/** |
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* Get all descriptions associated with the given TaxonEditorInput |
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* @param parentElement |
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* @return |
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*/ |
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private List<DescriptionBase> getDescriptions(TaxonEditorInput parentElement) {
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@Override |
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protected List<DescriptionBase> getDescriptions(TaxonEditorInput parentElement) {
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this.markerTypes.addAll(CdmStore.getTermManager().getPreferredTerms(MarkerType.class)); |
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Taxon taxon = parentElement.getTaxon(); |
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List<DescriptionBase> descriptions = new ArrayList<DescriptionBase>(); |
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return descriptions; |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.ITreeContentProvider#getParent(java.lang.Object) |
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*/ |
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/** {@inheritDoc} */
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public Object getParent(Object element) {
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return null; |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) |
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*/ |
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/** {@inheritDoc} */
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public Object[] getElements(Object inputElement) {
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return getChildren(inputElement); |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.IContentProvider#dispose() |
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*/ |
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/** |
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* <p>dispose</p> |
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*/ |
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public void dispose() {
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featureNodeContainerCache.clear(); |
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} |
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/* (non-Javadoc) |
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* @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) |
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*/ |
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/** {@inheritDoc} */
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public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
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} |
Also available in: Unified diff
AT: committing changes to the TaxEditor Post second round of code review