Example usage for org.eclipse.jface.preference IPreferencePage setDescription

Introduction

In this page you can find the example usage for org.eclipse.jface.preference IPreferencePage setDescription.

Prototype

void setDescription(String description);

Source Link

Document

Sets this dialog page's description text.

Usage

From source file:org.talend.repository.ui.dialog.ProjectSettingDialog.java

License:Open Source License

/**
 * get all projectsettingPage node dynamic. need get the different result each time. because the tester will calc
 * dymamic./*from  w  w w. j  a  va  2s .c  om*/
 * 
 * @return PreferenceManager
 */
private PreferenceManager getNodeManager() {
    // PreferenceManager manager = new PreferenceManager(WorkbenchPlugin.PREFERENCE_PAGE_CATEGORY_SEPARATOR);
    PreferenceManager manager = new PreferenceManager('/');
    IExtensionRegistry registry = Platform.getExtensionRegistry();
    IConfigurationElement[] configurationElements = registry
            .getConfigurationElementsFor("org.talend.repository.projectsetting_page"); //$NON-NLS-1$

    Map<String, List<IPreferenceNode>> hasCategoriesNodes = new HashMap<String, List<IPreferenceNode>>();

    for (IConfigurationElement element : configurationElements) {
        ProjectSettingNode node = new ProjectSettingNode(element);
        try {
            IPreferencePage page = (IPreferencePage) element.createExecutableExtension("class"); //$NON-NLS-1$
            node.setPage(page);
            String id = element.getAttribute("id");//$NON-NLS-1$
            IConfigurationElement[] testers = element.getChildren("tester");
            if (testers != null && testers.length == 1) { // currently, only one tester is supported.
                try {
                    IProjectSettingPageTester pageTester = (IProjectSettingPageTester) testers[0]
                            .createExecutableExtension("class");
                    if (pageTester != null) {
                        if (!pageTester.valid(element, node)) {
                            continue; // don't add this page node.
                        }
                    }
                } catch (CoreException ex) {
                    // can't create the tester
                    log.log(Level.WARN, "can't create the project setting tester for " + id, ex);
                }
            }

            page.setDescription(element.getAttribute("description")); //$NON-NLS-1$
            page.setTitle(element.getAttribute("title")); //$NON-NLS-1$
        } catch (CoreException e) {
            ExceptionHandler.process(e);
        }
        // add all into root.
        manager.addToRoot(node);

        // has category
        String category = node.getCategory();
        if (category != null && category.length() > 0) {
            List<IPreferenceNode> list = hasCategoriesNodes.get(category);
            if (list == null) {
                list = new ArrayList<IPreferenceNode>();
                hasCategoriesNodes.put(category, list);
            }
            list.add(node);
        }
    }

    // add the speciall node for maven custom
    if (GlobalServiceRegister.getDefault().isServiceRegistered(IMavenUIService.class)) {
        IMavenUIService mavenUIService = (IMavenUIService) GlobalServiceRegister.getDefault()
                .getService(IMavenUIService.class);
        IPreferenceNode mavenCostomSetup = manager.find("projectsetting.MavenCustomSetup");
        mavenUIService.addCustomMavenSettingChildren(mavenCostomSetup);
    }

    // find parent nodes for category
    Map<String, IPreferenceNode> parentNodesMap = new HashMap<String, IPreferenceNode>();
    for (String category : hasCategoriesNodes.keySet()) {
        IPreferenceNode parent = manager.find(category);
        if (parent != null) {
            parentNodesMap.put(category, parent);
        }
    }
    // process children nodes
    for (String category : hasCategoriesNodes.keySet()) {
        List<IPreferenceNode> list = hasCategoriesNodes.get(category);
        if (list != null) {

            IPreferenceNode parent = parentNodesMap.get(category);
            Collections.sort(list, COMPARATOR);
            for (IPreferenceNode node : list) {
                // if the parent is not valid or not existed. the node won't show also.
                manager.remove(node); // remove from root node.
                if (parent != null) { // the parent existed.
                    parent.add(node);
                }
            }
        }
    }

    // sort the root nodes
    List<IPreferenceNode> rootSubNodesList = new ArrayList<IPreferenceNode>(
            Arrays.asList(manager.getRootSubNodes()));

    Collections.sort(rootSubNodesList, COMPARATOR);
    manager.removeAll(); // clean all to re-add for order

    // add the sorted list to manager
    for (IPreferenceNode rootSubNode : rootSubNodesList) {
        manager.addToRoot(rootSubNode);
    }
    return manager;
}

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