public DocumentationComponent(
final DocumentationManager manager, final AnAction[] additionalActions) {
myManager = manager;
myIsEmpty = true;
myIsShown = false;
myEditorPane =
new JEditorPane(UIUtil.HTML_MIME, "") {
@Override
public Dimension getPreferredScrollableViewportSize() {
if (getWidth() == 0 || getHeight() == 0) {
setSize(MAX_WIDTH, MAX_HEIGHT);
}
Insets ins = myEditorPane.getInsets();
View rootView = myEditorPane.getUI().getRootView(myEditorPane);
rootView.setSize(
MAX_WIDTH,
MAX_HEIGHT); // Necessary! Without this line, size will not increase then you go
// from small page to bigger one
int prefHeight = (int) rootView.getPreferredSpan(View.Y_AXIS);
prefHeight +=
ins.bottom
+ ins.top
+ myScrollPane.getHorizontalScrollBar().getMaximumSize().height;
return new Dimension(MAX_WIDTH, Math.max(MIN_HEIGHT, Math.min(MAX_HEIGHT, prefHeight)));
}
{
enableEvents(AWTEvent.KEY_EVENT_MASK);
}
@Override
protected void processKeyEvent(KeyEvent e) {
KeyStroke keyStroke = KeyStroke.getKeyStrokeForEvent(e);
ActionListener listener = myKeyboardActions.get(keyStroke);
if (listener != null) {
listener.actionPerformed(new ActionEvent(DocumentationComponent.this, 0, ""));
e.consume();
return;
}
super.processKeyEvent(e);
}
@Override
protected void paintComponent(Graphics g) {
GraphicsUtil.setupAntialiasing(g);
super.paintComponent(g);
}
};
DataProvider helpDataProvider =
new DataProvider() {
@Override
public Object getData(@NonNls String dataId) {
return PlatformDataKeys.HELP_ID.is(dataId) ? DOCUMENTATION_TOPIC_ID : null;
}
};
myEditorPane.putClientProperty(DataManager.CLIENT_PROPERTY_DATA_PROVIDER, helpDataProvider);
myText = "";
myEditorPane.setEditable(false);
myEditorPane.setBackground(HintUtil.INFORMATION_COLOR);
myEditorPane.setEditorKit(UIUtil.getHTMLEditorKit());
myScrollPane =
new JBScrollPane(myEditorPane) {
@Override
protected void processMouseWheelEvent(MouseWheelEvent e) {
if (!EditorSettingsExternalizable.getInstance().isWheelFontChangeEnabled()
|| !EditorUtil.isChangeFontSize(e)) {
super.processMouseWheelEvent(e);
return;
}
int change = Math.abs(e.getWheelRotation());
boolean increase = e.getWheelRotation() <= 0;
EditorColorsManager colorsManager = EditorColorsManager.getInstance();
EditorColorsScheme scheme = colorsManager.getGlobalScheme();
FontSize newFontSize = scheme.getQuickDocFontSize();
for (; change > 0; change--) {
if (increase) {
newFontSize = newFontSize.larger();
} else {
newFontSize = newFontSize.smaller();
}
}
if (newFontSize == scheme.getQuickDocFontSize()) {
return;
}
scheme.setQuickDocFontSize(newFontSize);
applyFontSize();
setFontSizeSliderSize(newFontSize);
}
};
myScrollPane.setBorder(null);
myScrollPane.putClientProperty(DataManager.CLIENT_PROPERTY_DATA_PROVIDER, helpDataProvider);
final MouseAdapter mouseAdapter =
new MouseAdapter() {
@Override
public void mousePressed(MouseEvent e) {
myManager.requestFocus();
myShowSettingsButton.hideSettings();
}
};
myEditorPane.addMouseListener(mouseAdapter);
Disposer.register(
this,
new Disposable() {
@Override
public void dispose() {
myEditorPane.removeMouseListener(mouseAdapter);
}
});
final FocusAdapter focusAdapter =
new FocusAdapter() {
@Override
public void focusLost(FocusEvent e) {
Component previouslyFocused =
WindowManagerEx.getInstanceEx()
.getFocusedComponent(manager.getProject(getElement()));
if (!(previouslyFocused == myEditorPane)) {
if (myHint != null && !myHint.isDisposed()) myHint.cancel();
}
}
};
myEditorPane.addFocusListener(focusAdapter);
Disposer.register(
this,
new Disposable() {
@Override
public void dispose() {
myEditorPane.removeFocusListener(focusAdapter);
}
});
setLayout(new BorderLayout());
JLayeredPane layeredPane =
new JBLayeredPane() {
@Override
public void doLayout() {
final Rectangle r = getBounds();
for (Component component : getComponents()) {
if (component instanceof JScrollPane) {
component.setBounds(0, 0, r.width, r.height);
} else {
int insets = 2;
Dimension d = component.getPreferredSize();
component.setBounds(r.width - d.width - insets, insets, d.width, d.height);
}
}
}
@Override
public Dimension getPreferredSize() {
Dimension editorPaneSize = myEditorPane.getPreferredScrollableViewportSize();
Dimension controlPanelSize = myControlPanel.getPreferredSize();
return new Dimension(
Math.max(editorPaneSize.width, controlPanelSize.width),
editorPaneSize.height + controlPanelSize.height);
}
};
layeredPane.add(myScrollPane);
layeredPane.setLayer(myScrollPane, 0);
mySettingsPanel = createSettingsPanel();
layeredPane.add(mySettingsPanel);
layeredPane.setLayer(mySettingsPanel, JLayeredPane.POPUP_LAYER);
add(layeredPane, BorderLayout.CENTER);
setOpaque(true);
myScrollPane.setViewportBorder(JBScrollPane.createIndentBorder());
final DefaultActionGroup actions = new DefaultActionGroup();
final BackAction back = new BackAction();
final ForwardAction forward = new ForwardAction();
actions.add(back);
actions.add(forward);
actions.add(myExternalDocAction = new ExternalDocAction());
back.registerCustomShortcutSet(CustomShortcutSet.fromString("LEFT"), this);
forward.registerCustomShortcutSet(CustomShortcutSet.fromString("RIGHT"), this);
myExternalDocAction.registerCustomShortcutSet(CustomShortcutSet.fromString("UP"), this);
if (additionalActions != null) {
for (final AnAction action : additionalActions) {
actions.add(action);
}
}
myToolBar =
ActionManager.getInstance()
.createActionToolbar(ActionPlaces.JAVADOC_TOOLBAR, actions, true);
myControlPanel = new JPanel();
myControlPanel.setLayout(new BorderLayout());
myControlPanel.setBorder(IdeBorderFactory.createBorder(SideBorder.BOTTOM));
JPanel dummyPanel = new JPanel();
myElementLabel = new JLabel();
dummyPanel.setLayout(new BorderLayout());
dummyPanel.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 5));
dummyPanel.add(myElementLabel, BorderLayout.EAST);
myControlPanel.add(myToolBar.getComponent(), BorderLayout.WEST);
myControlPanel.add(dummyPanel, BorderLayout.CENTER);
myControlPanel.add(myShowSettingsButton = new MyShowSettingsButton(), BorderLayout.EAST);
myControlPanelVisible = false;
final HyperlinkListener hyperlinkListener =
new HyperlinkListener() {
@Override
public void hyperlinkUpdate(HyperlinkEvent e) {
HyperlinkEvent.EventType type = e.getEventType();
if (type == HyperlinkEvent.EventType.ACTIVATED) {
manager.navigateByLink(DocumentationComponent.this, e.getDescription());
}
}
};
myEditorPane.addHyperlinkListener(hyperlinkListener);
Disposer.register(
this,
new Disposable() {
@Override
public void dispose() {
myEditorPane.removeHyperlinkListener(hyperlinkListener);
}
});
registerActions();
updateControlState();
}
public static JEditorPane initPane(
@NonNls Html html, final HintHint hintHint, @Nullable final JLayeredPane layeredPane) {
final Ref<Dimension> prefSize = new Ref<Dimension>(null);
String htmlBody = UIUtil.getHtmlBody(html);
@NonNls
String text =
"<html><head>"
+ UIUtil.getCssFontDeclaration(
hintHint.getTextFont(),
hintHint.getTextForeground(),
hintHint.getLinkForeground(),
hintHint.getUlImg())
+ "</head><body>"
+ htmlBody
+ "</body></html>";
final boolean[] prefSizeWasComputed = {false};
final JEditorPane pane =
new JEditorPane() {
@Override
public Dimension getPreferredSize() {
if (!prefSizeWasComputed[0] && hintHint.isAwtTooltip()) {
JLayeredPane lp = layeredPane;
if (lp == null) {
JRootPane rootPane = UIUtil.getRootPane(this);
if (rootPane != null) {
lp = rootPane.getLayeredPane();
}
}
Dimension size;
if (lp != null) {
size = lp.getSize();
prefSizeWasComputed[0] = true;
} else {
size = ScreenUtil.getScreenRectangle(0, 0).getSize();
}
int fitWidth = (int) (size.width * 0.8);
Dimension prefSizeOriginal = super.getPreferredSize();
if (prefSizeOriginal.width > fitWidth) {
setSize(new Dimension(fitWidth, Integer.MAX_VALUE));
Dimension fixedWidthSize = super.getPreferredSize();
Dimension minSize = super.getMinimumSize();
prefSize.set(
new Dimension(
fitWidth > minSize.width ? fitWidth : minSize.width,
fixedWidthSize.height));
} else {
prefSize.set(new Dimension(prefSizeOriginal));
}
}
Dimension s =
prefSize.get() != null ? new Dimension(prefSize.get()) : super.getPreferredSize();
Border b = getBorder();
if (b != null) {
Insets insets = b.getBorderInsets(this);
if (insets != null) {
s.width += insets.left + insets.right;
s.height += insets.top + insets.bottom;
}
}
return s;
}
};
final HTMLEditorKit.HTMLFactory factory =
new HTMLEditorKit.HTMLFactory() {
@Override
public View create(Element elem) {
AttributeSet attrs = elem.getAttributes();
Object elementName = attrs.getAttribute(AbstractDocument.ElementNameAttribute);
Object o =
elementName != null ? null : attrs.getAttribute(StyleConstants.NameAttribute);
if (o instanceof HTML.Tag) {
HTML.Tag kind = (HTML.Tag) o;
if (kind == HTML.Tag.HR) {
return new CustomHrView(elem, hintHint.getTextForeground());
}
}
return super.create(elem);
}
};
HTMLEditorKit kit =
new HTMLEditorKit() {
@Override
public ViewFactory getViewFactory() {
return factory;
}
};
pane.setEditorKit(kit);
pane.setText(text);
pane.setCaretPosition(0);
pane.setEditable(false);
if (hintHint.isOwnBorderAllowed()) {
setBorder(pane);
setColors(pane);
} else {
pane.setBorder(null);
}
if (!hintHint.isAwtTooltip()) {
prefSizeWasComputed[0] = true;
}
final boolean opaque = hintHint.isOpaqueAllowed();
pane.setOpaque(opaque);
if (UIUtil.isUnderNimbusLookAndFeel() && !opaque) {
pane.setBackground(UIUtil.TRANSPARENT_COLOR);
} else {
pane.setBackground(hintHint.getTextBackground());
}
return pane;
}