/*
* Freeplane - mind map editor
* Copyright (C) 2008 Dimitry Polivaev
*
* This file author is Dimitry Polivaev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.freeplane.core.ui.components;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.net.URI;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
import javax.swing.text.JTextComponent;
import org.freeplane.core.resources.IFreeplanePropertyListener;
import org.freeplane.core.resources.ResourceController;
import org.freeplane.core.util.LogUtils;
import org.freeplane.core.util.TextUtils;
import org.freeplane.features.map.NodeModel;
import org.freeplane.features.mode.Controller;
import org.freeplane.features.mode.ModeController;
import org.freeplane.features.ui.ViewController;
import org.freeplane.features.url.UrlManager;
import org.freeplane.main.application.FreeplaneSplashModern;
/**
* Utilities for accessing the GUI, creating dialogs etc.: In scripts available as "global variable" <code>ui</code>.
* <p>
* In scripts this would be a simple way of opening a info popup:
* <pre>
* ui.informationMessage("Hello World!")
* ui.informationMessage(ui.frame, "Hello World!") // longer version, equivalent
* </pre>
*
* @author Dimitry Polivaev
* @since 29.12.2008
*/
public class UITools {
@SuppressWarnings("serial")
public static final class InsertEolAction extends AbstractAction {
public void actionPerformed(ActionEvent e) {
JTextComponent c = (JTextComponent) e.getSource();
c.replaceSelection("\n");
}
}
public static final String MAIN_FREEPLANE_FRAME = "mainFreeplaneFrame";
public static void addEscapeActionToDialog(final JDialog dialog) {
class EscapeAction extends AbstractAction {
private static final long serialVersionUID = 1L;
public void actionPerformed(final ActionEvent e) {
dialog.dispose();
};
}
UITools.addEscapeActionToDialog(dialog, new EscapeAction());
}
public static void addEscapeActionToDialog(final JDialog dialog, final Action action) {
UITools.addKeyActionToDialog(dialog, action, "ESCAPE", "end_dialog");
}
public static void addKeyActionToDialog(final JDialog dialog, final Action action, final String keyStroke,
final String actionId) {
action.putValue(Action.NAME, actionId);
dialog.getRootPane().getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(keyStroke),
action.getValue(Action.NAME));
dialog.getRootPane().getActionMap().put(action.getValue(Action.NAME), action);
}
public static void convertPointFromAncestor(final Component ancestor, final Point p, Component c) {
int x, y;
while (c != ancestor && c != null) {
x = c.getX();
y = c.getY();
p.x -= x;
p.y -= y;
c = c.getParent();
};
}
public static void convertPointToAncestor(final Component source, final Point point, final Class<?> ancestorClass) {
final Component destination = SwingUtilities.getAncestorOfClass(ancestorClass, source);
UITools.convertPointToAncestor(source, point, destination);
}
public static void convertRectangleToAncestor(final Component from, final Rectangle r, final Component destination) {
Point p = new Point(r.x, r.y);
UITools.convertPointToAncestor(from, p , destination);
r.x = p.x;
r.y = p.y;
}
public static void convertPointToAncestor(final Component from, final Point p, final Component destination) {
int x, y;
for (Component c = from; c != destination && c != null; c = c.getParent()) {
x = c.getX();
y = c.getY();
p.x += x;
p.y += y;
};
}
static public void errorMessage(final Object message) {
final String myMessage;
if (message != null) {
myMessage = message.toString();
}
else {
myMessage = TextUtils.getText("undefined_error");
}
final String title = ResourceController.getResourceController().getProperty("ApplicationName", "Freeplane");
LogUtils.warn(myMessage);
EventQueue.invokeLater(new Runnable() {
public void run() {
JOptionPane.showMessageDialog(UITools.getFrame(), myMessage, title, JOptionPane.ERROR_MESSAGE);
}
});
}
static public Frame getFrame() {
final Frame[] frames = Frame.getFrames();
for (final Frame frame : frames) {
if (MAIN_FREEPLANE_FRAME.equals(frame.getName())) {
return frame;
}
}
return frames.length >= 1 ? frames[0] : null;
}
/** returns a KeyStroke if possible and null otherwise. */
public static KeyStroke getKeyStroke(final String keyStrokeDescription) {
if (keyStrokeDescription == null) {
return null;
}
final KeyStroke keyStroke = KeyStroke.getKeyStroke(keyStrokeDescription);
if (keyStroke != null) {
return keyStroke;
}
final int lastSpacePos = keyStrokeDescription.lastIndexOf(' ') + 1;
final String modifiedDescription = keyStrokeDescription.substring(0, lastSpacePos) + "typed "
+ keyStrokeDescription.substring(lastSpacePos);
return KeyStroke.getKeyStroke(modifiedDescription);
}
/** formats a KeyStroke in a ledgible way, e.g. Control+V. Null is converted to "".
* Taken from MotifGraphicsUtils.paintMenuItem(). */
public static String keyStrokeToString(KeyStroke keyStroke) {
String acceleratorText = "";
if (keyStroke != null) {
int modifiers = keyStroke.getModifiers();
if (modifiers > 0) {
acceleratorText = KeyEvent.getKeyModifiersText(modifiers);
acceleratorText += "+";
}
acceleratorText += KeyEvent.getKeyText(keyStroke.getKeyCode());
}
return acceleratorText;
}
static public void informationMessage(final String message) {
UITools.informationMessage(UITools.getFrame(), message);
}
static public void informationMessage(final Frame frame, final String message) {
final String title = ResourceController.getResourceController().getProperty("ApplicationName", "Freeplane");
UITools.informationMessage(frame, message, title);
}
static public void informationMessage(final Frame frame, final String message, final String title) {
JOptionPane.showMessageDialog(frame, message, title, JOptionPane.INFORMATION_MESSAGE);
}
public static void informationMessage(final Frame frame, final String text, final String string, final int type) {
JOptionPane.showMessageDialog(frame, text, string, type);
}
static public void setBounds(final Component frame, int win_x, int win_y, int win_width, int win_height) {
final Rectangle desktopBounds = getDesktopBounds(frame);
int screenWidth = desktopBounds.width;
if(win_width != -1)
win_width = Math.min(win_width, screenWidth );
else
win_width = screenWidth * 4 / 5;
int screenHeight = desktopBounds.height;
if(win_height != -1)
win_height = Math.min(win_height, screenHeight);
else
win_height = screenHeight * 4 / 5;
if(win_x != -1){
win_x = Math.min(screenWidth + desktopBounds.x - win_width, win_x);
win_x = Math.max(desktopBounds.x, win_x);
}
else
win_x = desktopBounds.x + (screenWidth - win_width) / 2;
if(win_y != -1){
win_y = Math.max(desktopBounds.y, win_y);
win_y = Math.min(screenHeight + desktopBounds.y - win_height, win_y);
}
else
win_y = desktopBounds.y + (screenHeight - win_height) / 2;
frame.setBounds(win_x, win_y, win_width, win_height);
}
public static Rectangle getDesktopBounds(Component frame) {
final Toolkit defaultToolkit = Toolkit.getDefaultToolkit();
final Insets screenInsets = defaultToolkit.getScreenInsets(frame.getGraphicsConfiguration());
final Dimension screenSize = defaultToolkit.getScreenSize();
final int screenWidth = screenSize.width - screenInsets.left - screenInsets.right;
final int screenHeight = screenSize.height - screenInsets.top - screenInsets.bottom;
return new Rectangle(screenInsets.left, screenInsets.top, screenWidth, screenHeight);
}
public static void setDialogLocationRelativeTo(final JDialog dialog, final Component c) {
if (c == null || ! c.isShowing()) {
return;
}
final Point compLocation = c.getLocationOnScreen();
final int cw = c.getWidth();
final int ch = c.getHeight();
final Container parent = dialog.getParent();
final Point parentLocation = parent.getLocationOnScreen();
final int pw = parent.getWidth();
final int ph = parent.getHeight();
final int dw = dialog.getWidth();
final int dh = dialog.getHeight();
final Rectangle desktopBounds = getDesktopBounds(c);
final int minX = Math.max(parentLocation.x, desktopBounds.x);
final int minY = Math.max(parentLocation.y, desktopBounds.y);
final int maxX = Math.min(parentLocation.x + pw, desktopBounds.x + desktopBounds.width);
final int maxY = Math.min(parentLocation.y + ph, desktopBounds.y + desktopBounds.height);
int dx, dy;
if (compLocation.x + cw < minX) {
dx = minX;
}
else if (compLocation.x > maxX) {
dx = maxX - dw;
}
else {
final int leftSpace = compLocation.x - minX;
final int rightSpace = maxX - (compLocation.x + cw);
if (leftSpace > rightSpace) {
if (leftSpace > dw) {
dx = compLocation.x - dw;
}
else {
dx = minX;
}
}
else {
if (rightSpace > dw) {
dx = compLocation.x + cw;
}
else {
dx = maxX - dw;
}
}
}
if (compLocation.y + ch < minY) {
dy = minY;
}
else if (compLocation.y > maxY) {
dy = maxY - dh;
}
else {
final int topSpace = compLocation.y - minY;
final int bottomSpace = maxY - (compLocation.y + ch);
if (topSpace > bottomSpace) {
if (topSpace > dh) {
dy = compLocation.y - dh;
}
else {
dy = minY;
}
}
else {
if (bottomSpace > dh) {
dy = compLocation.y + ch;
}
else {
dy = maxY - dh;
}
}
}
dialog.setLocation(dx, dy);
}
public static void setDialogLocationRelativeTo(final JDialog dialog,
final NodeModel node) {
if (node == null) {
return;
}
final ViewController viewController = Controller.getCurrentController().getViewController();
viewController.scrollNodeToVisible(node);
final Component c = viewController.getComponent(node);
UITools.setDialogLocationRelativeTo(dialog, c);
}
public static void setDialogLocationUnder(final JDialog dialog, final NodeModel node) {
final Controller controller = Controller.getCurrentController();
final ViewController viewController = controller.getViewController();
final JComponent c = (JComponent) viewController.getComponent(node);
final int x = 0;
final int y = c.getHeight();
final Point location = new Point(x, y);
SwingUtilities.convertPointToScreen(location, c);
UITools.setBounds(dialog, location.x, location.y, dialog.getWidth(), dialog.getHeight());
}
/**
* Shows the error message "attributes_adding_empty_attribute_error"
*/
public static void showAttributeEmptyStringErrorMessage() {
JOptionPane.showMessageDialog(null, TextUtils.getText("attributes_adding_empty_attribute_error"),
TextUtils.getText("error"), JOptionPane.ERROR_MESSAGE);
}
static public void showMessage(String message, int messageType) {
backOtherWindows();
JTextArea infoPane = new JTextArea();
infoPane.setEditable(false);
infoPane.setMargin(new Insets(5,5,5,5));
infoPane.setLineWrap(true);
infoPane.setWrapStyleWord(true);
infoPane.setText(message);
infoPane.setColumns(60);
JScrollPane scrollPane = new JScrollPane(infoPane);
scrollPane.setPreferredSize(new Dimension(400, 200));
JOptionPane.showMessageDialog(getFrame(), scrollPane, ResourceController.getResourceController().getProperty("ApplicationName"), messageType);
}
public static int showConfirmDialog(final NodeModel node, final Object message, final String title,
final int optionType, final int messageType) {
final Controller controller = Controller.getCurrentController();
final ViewController viewController = controller.getViewController();
final Component parentComponent;
if (node == null) {
parentComponent = getFrame();
}
else {
viewController.scrollNodeToVisible(node);
parentComponent = viewController.getComponent(node);
}
return JOptionPane.showConfirmDialog(parentComponent, message, title, optionType, messageType);
}
public static int showConfirmDialog( final NodeModel node, final Object message,
final String title, final int optionType) {
return showConfirmDialog( node, message, title, optionType, JOptionPane.QUESTION_MESSAGE);
}
public static String showInputDialog( final NodeModel node, final String message,
final String initialValue) {
if (node == null) {
return null;
}
final Controller controller = Controller.getCurrentController();
final ViewController viewController = controller.getViewController();
viewController.scrollNodeToVisible(node);
final Component parentComponent = viewController.getComponent(node);
return JOptionPane.showInputDialog(parentComponent, message, initialValue);
}
public static String showInputDialog( final NodeModel node, final String text,
final String title, final int type) {
if (node == null) {
return null;
}
final Controller controller = Controller.getCurrentController();
final ViewController viewController = controller.getViewController();
viewController.scrollNodeToVisible(node);
final Component parentComponent = viewController.getComponent(node);
return JOptionPane.showInputDialog(parentComponent, text, title, type);
}
private static final String SCROLLBAR_INCREMENT = "scrollbar_increment";
public static void setScrollbarIncrement(final JScrollPane scrollPane) {
final int scrollbarIncrement = ResourceController.getResourceController()
.getIntProperty(SCROLLBAR_INCREMENT, 1);
scrollPane.getHorizontalScrollBar().setUnitIncrement(scrollbarIncrement);
scrollPane.getVerticalScrollBar().setUnitIncrement(scrollbarIncrement);
}
public static void addScrollbarIncrementPropertyListener(final JScrollPane scrollPane) {
ResourceController.getResourceController().addPropertyChangeListener(new IFreeplanePropertyListener() {
public void propertyChanged(final String propertyName, final String newValue, final String oldValue) {
if (!propertyName.equals(SCROLLBAR_INCREMENT)) {
return;
}
final int scrollbarIncrement = Integer.valueOf(newValue);
scrollPane.getHorizontalScrollBar().setUnitIncrement(scrollbarIncrement);
scrollPane.getVerticalScrollBar().setUnitIncrement(scrollbarIncrement);
}
});
}
public static Color getTextColorForBackground(final Color color) {
final int red = color.getRed();
final int blue = color.getBlue();
final int green = color.getGreen();
return red > 0x80 && blue > 0x80 && green > 0x80 ? Color.BLACK : Color.WHITE;
}
public static final Dimension MAX_BUTTON_DIMENSION = new Dimension(1000, 1000);
// FIXME: not used - can we remove it? -- Volker
// public static Controller getController(Component c) {
// if(c == null){
// return null;
// }
// final JRootPane rootPane = SwingUtilities.getRootPane(c);
// if(rootPane == null){
// return null;
// }
// Controller controller = (Controller) rootPane.getClientProperty(Controller.class);
// if(controller != null){
// return controller;
// }
// return getController(JOptionPane.getFrameForComponent(rootPane));
// }
public static void focusOn(JComponent component) {
component.addAncestorListener(new AncestorListener() {
public void ancestorRemoved(AncestorEvent event) {
}
public void ancestorMoved(AncestorEvent event) {
}
public void ancestorAdded(AncestorEvent event) {
final JComponent component = event.getComponent();
EventQueue.invokeLater(new Runnable() {
public void run() {
component.requestFocus(); }
});
component.removeAncestorListener(this);
}
});
}
public static BasicStroke createStroke(int width, final int[] dash) {
final float[] fdash;
if(dash != null){
fdash = new float[dash.length];
int i = 0;
for(float d : dash){
fdash[i++] = d;
}
}
else{
fdash = null;
}
final BasicStroke stroke = new BasicStroke(width, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 1f, fdash, 0f);
return stroke;
}
public static void repaintAll(Container root) {
root.repaint();
for(int i = 0; i < root.getComponentCount(); i++){
final Component component = root.getComponent(i);
if(component instanceof Container){
repaintAll((Container) component);
}
else{
component.repaint();
}
}
}
public static JDialog createCancelDialog(final Component component, final String titel, final String text) {
final String[] options = { TextUtils.getText("cancel") };
final JOptionPane infoPane = new JOptionPane(text, JOptionPane.PLAIN_MESSAGE, JOptionPane.DEFAULT_OPTION, null,
options);
JDialog dialog = infoPane.createDialog(component, titel);
dialog.setModal(false);
return dialog;
}
public static void addTitledBorder(final JComponent c, final String title, final float size) {
final TitledBorder titledBorder = BorderFactory.createTitledBorder(title);
final Font titleFont = UIManager.getFont("TitledBorder.font");
titledBorder.setTitleFont(titleFont.deriveFont(size));
final Border btnBorder = c.getBorder();
if(btnBorder != null){
final CompoundBorder compoundBorder = BorderFactory.createCompoundBorder(titledBorder, btnBorder);
c.setBorder(compoundBorder);
}
else{
c.setBorder(titledBorder);
}
}
public static void backOtherWindows() {
Window owner = getFrame();
if(owner != null){
final Window[] ownedWindows = owner.getOwnedWindows();
for(Window w : ownedWindows){
if(w.isVisible()){
w.toBack();
}
}
}
}
public static JButton createHtmlLinkStyleButton(final URI uri, final String title) {
final JButton button = new JButton("<html><a href='" + uri + "'>" + title);
button.setBorderPainted(false);
button.setOpaque(false);
button.setBackground(Color.lightGray);
button.setFocusable(false);
button.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
final ModeController modeController = Controller.getCurrentModeController();
final UrlManager urlManager = (UrlManager) modeController.getExtension(UrlManager.class);
urlManager.loadURL(uri);
}
});
return button;
}
public static final int getComponentIndex(Component component) {
if (component != null && component.getParent() != null) {
Container c = component.getParent();
for (int i = 0; i < c.getComponentCount(); i++) {
if (c.getComponent(i) == component)
return i;
}
}
return -1;
}
public static final float FONT_SCALE_FACTOR;
static {
float factor = 1f;
try {
factor = UITools.getScreenResolution() / 72f;
}
catch (Exception e) {
}
FONT_SCALE_FACTOR = factor;
}
public static int getScreenResolution() {
final int systemScreenResolution = Toolkit.getDefaultToolkit().getScreenResolution();
if(ResourceController.getResourceController().getBooleanProperty("apply_system_screen_resolution")){
return systemScreenResolution;
}
else
return ResourceController.getResourceController().getIntProperty("user_defined_screen_resolution", systemScreenResolution);
}
public static Font scale(Font font) {
return font.deriveFont(font.getSize2D()*FONT_SCALE_FACTOR);
}
public static Font invertScale(Font font) {
return font.deriveFont(font.getSize2D()/FONT_SCALE_FACTOR);
}
public static void showFrame() {
final Frame frame = UITools.getFrame();
final Window[] ownedWindows = frame.getOwnedWindows();
for (int i = 0; i < ownedWindows.length; i++) {
final Window window = ownedWindows[i];
if (window.getClass().equals(FreeplaneSplashModern.class) && window.isVisible()) {
window.setVisible(false);
}
}
if(frame != null && ! frame.isVisible()){
frame.setVisible(true);
frame.toFront();
}
}
}