Examples with Extensions com.intellij.openapi.extensions.Extensions used on opensource projects

Example 1 with Extensions

use of com.intellij.openapi.extensions.Extensions in project intellij-community by JetBrains.

the class GutterIconsConfigurable method createComponent.

@Nullable
@Override
public JComponent createComponent() {
    ExtensionPoint<LineMarkerProvider> point = Extensions.getRootArea().getExtensionPoint(LineMarkerProviders.EP_NAME);
    @SuppressWarnings("unchecked") LanguageExtensionPoint<LineMarkerProvider>[] extensions = (LanguageExtensionPoint<LineMarkerProvider>[]) point.getExtensions();
    NullableFunction<LanguageExtensionPoint<LineMarkerProvider>, PluginDescriptor> function = point1 -> {
        LineMarkerProvider instance = point1.getInstance();
        return instance instanceof LineMarkerProviderDescriptor && ((LineMarkerProviderDescriptor) instance).getName() != null ? point1.getPluginDescriptor() : null;
    };
    MultiMap<PluginDescriptor, LanguageExtensionPoint<LineMarkerProvider>> map = ContainerUtil.groupBy(Arrays.asList(extensions), function);
    Map<GutterIconDescriptor, PluginDescriptor> pluginDescriptorMap = ContainerUtil.newHashMap();
    Set<String> ids = new HashSet<>();
    myDescriptors = new ArrayList<>();
    for (final PluginDescriptor descriptor : map.keySet()) {
        Collection<LanguageExtensionPoint<LineMarkerProvider>> points = map.get(descriptor);
        for (LanguageExtensionPoint<LineMarkerProvider> extensionPoint : points) {
            GutterIconDescriptor instance = (GutterIconDescriptor) extensionPoint.getInstance();
            if (instance.getOptions().length > 0) {
                for (GutterIconDescriptor option : instance.getOptions()) {
                    if (ids.add(option.getId())) {
                        myDescriptors.add(option);
                    }
                    pluginDescriptorMap.put(option, descriptor);
                }
            } else {
                if (ids.add(instance.getId())) {
                    myDescriptors.add(instance);
                }
                pluginDescriptorMap.put(instance, descriptor);
            }
        }
    }
    /*
    List<GutterIconDescriptor> options = new ArrayList<GutterIconDescriptor>();
    for (Iterator<GutterIconDescriptor> iterator = myDescriptors.iterator(); iterator.hasNext(); ) {
      GutterIconDescriptor descriptor = iterator.next();
      if (descriptor.getOptions().length > 0) {
        options.addAll(Arrays.asList(descriptor.getOptions()));
        iterator.remove();
      }
    }
    myDescriptors.addAll(options);
    */
    myDescriptors.sort((o1, o2) -> {
        if (pluginDescriptorMap.get(o1) != pluginDescriptorMap.get(o2))
            return 0;
        return Comparing.compare(o1.getName(), o2.getName());
    });
    PluginDescriptor current = null;
    for (GutterIconDescriptor descriptor : myDescriptors) {
        PluginDescriptor pluginDescriptor = pluginDescriptorMap.get(descriptor);
        if (pluginDescriptor != current) {
            myFirstDescriptors.put(descriptor, pluginDescriptor);
            current = pluginDescriptor;
        }
    }
    myList.setItems(myDescriptors, GutterIconDescriptor::getName);
    myShowGutterIconsJBCheckBox.addChangeListener(e -> myList.setEnabled(myShowGutterIconsJBCheckBox.isSelected()));
    return myPanel;
}

Example 2 with Extensions

use of com.intellij.openapi.extensions.Extensions in project intellij-community by JetBrains.

the class UsageViewImpl method setupCentralPanel.

private void setupCentralPanel() {
    ApplicationManager.getApplication().assertIsDispatchThread();
    myCentralPanel.removeAll();
    disposeUsageContextPanels();
    JScrollPane treePane = ScrollPaneFactory.createScrollPane(myTree);
    // add reaction to scrolling:
    // since the UsageViewTreeCellRenderer ignores invisible nodes (outside the viewport), their preferred size is incorrect
    // and we need to recalculate them when the node scrolled into the visible rectangle
    treePane.getViewport().addChangeListener(__ -> clearRendererCache());
    myPreviewSplitter = new Splitter(false, 0.5f, 0.1f, 0.9f);
    myPreviewSplitter.setFirstComponent(treePane);
    myCentralPanel.add(myPreviewSplitter, BorderLayout.CENTER);
    if (UsageViewSettings.getInstance().IS_PREVIEW_USAGES) {
        myPreviewSplitter.setProportion(UsageViewSettings.getInstance().PREVIEW_USAGES_SPLITTER_PROPORTIONS);
        treePane.putClientProperty(UIUtil.KEEP_BORDER_SIDES, SideBorder.RIGHT);
        final JBTabbedPane tabbedPane = new JBTabbedPane(SwingConstants.BOTTOM) {

            @NotNull
            @Override
            protected Insets getInsetsForTabComponent() {
                return new Insets(0, 0, 0, 0);
            }
        };
        UsageContextPanel.Provider[] extensions = Extensions.getExtensions(UsageContextPanel.Provider.EP_NAME, myProject);
        myUsageContextPanelProviders = ContainerUtil.filter(extensions, provider -> provider.isAvailableFor(this));
        for (UsageContextPanel.Provider provider : myUsageContextPanelProviders) {
            JComponent component;
            if (myCurrentUsageContextProvider == null || myCurrentUsageContextProvider == provider) {
                myCurrentUsageContextProvider = provider;
                myCurrentUsageContextPanel = provider.create(this);
                component = myCurrentUsageContextPanel.createComponent();
            } else {
                component = new JLabel();
            }
            tabbedPane.addTab(provider.getTabTitle(), component);
        }
        int index = myUsageContextPanelProviders.indexOf(myCurrentUsageContextProvider);
        tabbedPane.setSelectedIndex(index);
        tabbedPane.addChangeListener(e -> {
            int currentIndex = tabbedPane.getSelectedIndex();
            UsageContextPanel.Provider selectedProvider = myUsageContextPanelProviders.get(currentIndex);
            if (selectedProvider != myCurrentUsageContextProvider) {
                tabSelected(selectedProvider);
            }
        });
        tabbedPane.setBorder(IdeBorderFactory.createBorder(SideBorder.LEFT));
        myPreviewSplitter.setSecondComponent(tabbedPane);
    } else {
        myPreviewSplitter.setProportion(1);
    }
    myCentralPanel.add(myAdditionalComponent, BorderLayout.SOUTH);
    myAdditionalComponent.add(myButtonPanel, BorderLayout.SOUTH);
    myRootPanel.revalidate();
    myRootPanel.repaint();
}