Revision 5098693b
Added by Patrick Plitzner over 5 years ago
| eu.etaxonomy.taxeditor.workbench/src/main/java/eu/etaxonomy/taxeditor/workbench/handler/OpenPreferencesHandler.java | ||
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import org.eclipse.swt.widgets.Shell; |
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/** |
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* Scans all extension for extension point <code>eu.etaxonomy.taxeditor.store.preferencePage</code> and |
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* creates the tree of preference nodes according to the <code>category</code> attribute of the |
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* extension point.<br> |
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* <b>Note:</b> If, for a given category, no parent node can be found then this page will not be |
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* added to the preferences |
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* @author pplitzner |
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* @date 14.02.2018 |
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* |
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*/ |
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public class OpenPreferencesHandler {
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private static final String ATT_NAME = "name"; //$NON-NLS-1$ |
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private static final String ATT_ID = "id"; //$NON-NLS-1$ |
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private static final String ATT_CATEGORY = "category"; //$NON-NLS-1$ |
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private static final String ATT_CLASS = "class"; //$NON-NLS-1$ |
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private static final String EXTENSION_ELEMENT_PAGE = "page"; //$NON-NLS-1$ |
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private static final String EXTENSION_POINT_ID = "eu.etaxonomy.taxeditor.store.preferencePage"; //$NON-NLS-1$ |
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private Logger logger = Logger.getLogger(OpenPreferencesHandler.class); |
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@Execute |
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public void execute(@Named(IServiceConstants.ACTIVE_SHELL)Shell shell) {
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List<PageWrapper> pagesYetToBeAdded = new ArrayList<>(); |
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List<PageWrapper> rootPages = new ArrayList<>(); |
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Map<String, PreferenceNode> idToNodeMap = new HashMap<>(); |
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PreferenceManager manager = new PreferenceManager('/');
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IExtensionRegistry reg = Platform.getExtensionRegistry(); |
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IConfigurationElement[] extensions = reg |
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.getConfigurationElementsFor("eu.etaxonomy.taxeditor.store.preferencePage"); //$NON-NLS-1$
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.getConfigurationElementsFor(EXTENSION_POINT_ID); //$NON-NLS-1$
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for (IConfigurationElement configElement : extensions) {
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if(configElement.getName().equals("page")){ //$NON-NLS-1$
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if(configElement.getName().equals(EXTENSION_ELEMENT_PAGE)){ //$NON-NLS-1$
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Object o; |
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try {
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o = configElement.createExecutableExtension("class");
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o = configElement.createExecutableExtension(ATT_CLASS);
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if(o instanceof IPreferencePage){
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IPreferencePage page = (IPreferencePage) o; |
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String category = configElement.getAttribute("category");
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String id = configElement.getAttribute("id");
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String name = configElement.getAttribute("name");
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String category = configElement.getAttribute(ATT_CATEGORY);
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String id = configElement.getAttribute(ATT_ID);
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String name = configElement.getAttribute(ATT_NAME);
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page.setTitle(name); |
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//add all root nodes |
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if(category==null){
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PreferenceNode node = new PreferenceNode(id, page); |
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manager.addToRoot(node); |
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idToNodeMap.put(id, node); |
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rootPages.add(new PageWrapper(page, category, id, name)); |
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} |
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//child nodes will be handled later |
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else{
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| ... | ... | |
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} |
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} |
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} catch (CoreException e) {
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logger.error(String.format("Failed to initialize preference page for config element: %s", configElement), e);
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logger.error(String.format("Failed to initialize preference page for config element: %s", configElement), e); //$NON-NLS-1$
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} |
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} |
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} |
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Collections.sort(pagesYetToBeAdded, new PreferenceNodeComparator()); |
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//sort root nodes |
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Collections.sort(rootPages, new PreferenceNodeComparator()); |
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//add root nodes |
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rootPages.forEach(pageWrapper->{
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PreferenceNode node = new PreferenceNode(pageWrapper.id, pageWrapper.page); |
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manager.addToRoot(node); |
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idToNodeMap.put(pageWrapper.id, node); |
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}); |
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//sort child nodes |
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Collections.sort(pagesYetToBeAdded, new PreferenceNodeComparator()); |
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//add child nodes |
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int size = pagesYetToBeAdded.size(); |
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while(!pagesYetToBeAdded.isEmpty()){
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|
| ... | ... | |
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} |
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private boolean addPage(PageWrapper pageWrapper, Map<String, PreferenceNode> idToNodeMap){
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PreferenceNode node = new PreferenceNode(pageWrapper.getId(), pageWrapper.getPage());
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PreferenceNode parent = idToNodeMap.get(pageWrapper.getCategory());
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PreferenceNode node = new PreferenceNode(pageWrapper.id, pageWrapper.page);
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PreferenceNode parent = idToNodeMap.get(pageWrapper.category);
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if(parent!=null){
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idToNodeMap.put(pageWrapper.getId(), node);
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idToNodeMap.put(pageWrapper.id, node);
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parent.add(node); |
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return true; |
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} |
| ... | ... | |
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} |
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private class PreferenceNodeComparator implements Comparator<PageWrapper>{
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@Override |
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public int compare(PageWrapper o1, PageWrapper o2) {
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return o1.getName().compareTo(o2.getName());
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return o1.name.compareTo(o2.name);
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} |
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} |
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private class PageWrapper{
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| ... | ... | |
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this.id = id; |
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this.name = name; |
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} |
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public IPreferencePage getPage() {
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return page; |
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} |
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public String getCategory() {
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return category; |
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} |
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public String getId() {
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return id; |
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} |
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public String getName() {
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return name; |
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} |
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} |
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} |
Also available in: Unified diff
ref #7268 Sort root nodes in preference dialog