Examples with Html com.intellij.util.ui.Html used on opensource projects

Example 1 with Html

use of com.intellij.util.ui.Html in project intellij-community by JetBrains.

the class LineTooltipRenderer method show.

@Override
public LightweightHint show(@NotNull final Editor editor, @NotNull final Point p, final boolean alignToRight, @NotNull final TooltipGroup group, @NotNull final HintHint hintHint) {
    if (myText == null)
        return null;
    //setup text
    myText = myText.replaceAll(String.valueOf(UIUtil.MNEMONIC), "");
    final boolean expanded = myCurrentWidth > 0 && dressDescription(editor);
    final HintManagerImpl hintManager = HintManagerImpl.getInstanceImpl();
    final JComponent contentComponent = editor.getContentComponent();
    final JComponent editorComponent = editor.getComponent();
    if (!editorComponent.isShowing())
        return null;
    final JLayeredPane layeredPane = editorComponent.getRootPane().getLayeredPane();
    final JEditorPane pane = IdeTooltipManager.initPane(new Html(myText).setKeepFont(true), hintHint, layeredPane);
    hintHint.setContentActive(isActiveHtml(myText));
    if (!hintHint.isAwtTooltip()) {
        correctLocation(editor, pane, p, alignToRight, expanded, myCurrentWidth);
    }
    final JScrollPane scrollPane = ScrollPaneFactory.createScrollPane(pane);
    scrollPane.setBorder(null);
    scrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    scrollPane.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED);
    scrollPane.setOpaque(hintHint.isOpaqueAllowed());
    scrollPane.getViewport().setOpaque(hintHint.isOpaqueAllowed());
    scrollPane.setBackground(hintHint.getTextBackground());
    scrollPane.getViewport().setBackground(hintHint.getTextBackground());
    scrollPane.setViewportBorder(null);
    if (hintHint.isRequestFocus()) {
        pane.setFocusable(true);
    }
    final Ref<AnAction> actionRef = new Ref<>();
    final LightweightHint hint = new LightweightHint(scrollPane) {

        @Override
        public void hide() {
            onHide(pane);
            super.hide();
            final AnAction action = actionRef.get();
            if (action != null) {
                action.unregisterCustomShortcutSet(contentComponent);
            }
        }
    };
    actionRef.set(new AnAction() {

        // an action to expand description when tooltip was shown after mouse move; need to unregister from editor component
        {
            registerCustomShortcutSet(new CustomShortcutSet(KeymapManager.getInstance().getActiveKeymap().getShortcuts(IdeActions.ACTION_SHOW_ERROR_DESCRIPTION)), contentComponent);
        }

        @Override
        public void actionPerformed(final AnActionEvent e) {
            // The tooltip gets the focus if using a screen reader and invocation through a keyboard shortcut.
            hintHint.setRequestFocus(ScreenReader.isActive() && (e.getInputEvent() instanceof KeyEvent));
            expand(hint, editor, p, pane, alignToRight, group, hintHint);
        }
    });
    pane.addHyperlinkListener(new HyperlinkListener() {

        @Override
        public void hyperlinkUpdate(final HyperlinkEvent e) {
            myActiveLink = true;
            if (e.getEventType() == HyperlinkEvent.EventType.EXITED) {
                myActiveLink = false;
                return;
            }
            if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
                final URL url = e.getURL();
                if (url != null) {
                    BrowserUtil.browse(url);
                    hint.hide();
                    return;
                }
                final String description = e.getDescription();
                if (description != null && handle(description, editor)) {
                    hint.hide();
                    return;
                }
                if (!expanded) {
                    expand(hint, editor, p, pane, alignToRight, group, hintHint);
                } else {
                    stripDescription();
                    hint.hide();
                    TooltipController.getInstance().showTooltip(editor, new Point(p.x - 3, p.y - 3), createRenderer(myText, 0), false, group, hintHint);
                }
            }
        }
    });
    // This listener makes hint transparent for mouse events. It means that hint is closed
    // by MousePressed and this MousePressed goes into the underlying editor component.
    pane.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseReleased(final MouseEvent e) {
            if (!myActiveLink) {
                MouseEvent newMouseEvent = SwingUtilities.convertMouseEvent(e.getComponent(), e, contentComponent);
                hint.hide();
                contentComponent.dispatchEvent(newMouseEvent);
            }
        }

        @Override
        public void mouseExited(final MouseEvent e) {
            if (!expanded) {
                hint.hide();
            }
        }
    });
    hintManager.showEditorHint(hint, editor, p, HintManager.HIDE_BY_ANY_KEY | HintManager.HIDE_BY_TEXT_CHANGE | HintManager.HIDE_BY_OTHER_HINT | HintManager.HIDE_BY_SCROLLING, 0, false, hintHint);
    return hint;
}