sparktabbedpane.java

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package org.jivesoftware.spark.component.tabbedPane;

import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.Window;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.swing.Icon;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;

import org.jivesoftware.Spark;
import org.jivesoftware.resource.SparkRes;
import org.jivesoftware.spark.ui.conferences.ConferenceUtils;
import org.jivesoftware.spark.util.ModelUtil;
import org.jivesoftware.spark.util.SwingWorker;
import org.jivesoftware.spark.util.log.Log;
import org.jivesoftware.sparkimpl.settings.local.LocalPreferences;
import org.jivesoftware.sparkimpl.settings.local.SettingsManager;

/**
 * Jive Software imlementation of a TabbedPane.
 *
 * @author Derek DeMoro
 */
public class SparkTabbedPane extends JPanel implements MouseListener {
    private JPanel tabs;
    private JPanel mainPanel;

    private Window parentWindow;

    private boolean closeButtonEnabled;
    private Icon closeInactiveButtonIcon;
    private Icon closeActiveButtonIcon;

    private boolean popupAllowed;

    private boolean activeButtonBold;

    private Map<Component, JFrame> framesMap = new HashMap<Component, JFrame>();


    private int tabPlacement = JTabbedPane.TOP;

    private Color backgroundColor;
    private Color borderColor;

    /**
     * The default Hand cursor.
     */
    public static final Cursor HAND_CURSOR = new Cursor(Cursor.HAND_CURSOR);

    /**
     * The default Text Cursor.
     */
    public static final Cursor DEFAULT_CURSOR = new Cursor(Cursor.DEFAULT_CURSOR);

    /**
     * Listeners
     */
    private List<SparkTabbedPaneListener> listeners = new ArrayList<SparkTabbedPaneListener>();

    public SparkTabbedPane() {
        createUI();
    }

    public SparkTabbedPane(int placement) {
        this.tabPlacement = placement;

        createUI();
    }

    private void createUI() {
        setLayout(new BorderLayout());

        tabs = new JPanel(new FlowLayout(FlowLayout.LEFT, 5, 0)) {
                    public Dimension getPreferredSize() {
                        if (getParent() == null)
                            return getPreferredSize();
                        // calculate the preferred size based on the flow of components
                        FlowLayout flow = (FlowLayout)getLayout();
                        int w = getParent().getWidth();
                        int h = flow.getVgap();
                        int x = flow.getHgap();
                        int rowH = 0;
                        Dimension d;
                        Component[] comps = getComponents();
                        for (int i = 0; i < comps.length; i++) {
                            if (comps[i].isVisible()) {
                                d = comps[i].getPreferredSize();
                                if (x + d.width > w && x > flow.getHgap()) {
                                    x = flow.getHgap();
                                    h += rowH;
                                    rowH = 0;
                                    h += flow.getVgap();
                                }
                                rowH = Math.max(d.height, rowH);
                                x += d.width + flow.getHgap();
                            }
                        }
                        h += rowH;
                        return new Dimension(w, h);
                    }
                };


        final JPanel topPanel = new JPanel();
        topPanel.setLayout(new GridBagLayout());
        topPanel.setOpaque(false);

        // Add Tabs panel to top of panel.
        if (tabPlacement == JTabbedPane.TOP) {
            topPanel.add(tabs, 
                         new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, 
                                                new Insets(2, 0, 0, 0), 0, 0));
            add(topPanel, BorderLayout.NORTH);
        }
        else {
            topPanel.add(tabs, 
                         new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, 
                                                new Insets(0, 0, 2, 0), 0, 0));
            add(topPanel, BorderLayout.SOUTH);
        }

        // Create mainPanel
        mainPanel = new JPanel(new CardLayout());
        mainPanel.setBackground(Color.WHITE);
        add(mainPanel, BorderLayout.CENTER);

        //  mainPanel.setBorder(BorderFactory.createLineBorder(Color.lightGray));

        // Initialize close button
        closeInactiveButtonIcon = SparkRes.getImageIcon(SparkRes.CLOSE_WHITE_X_IMAGE);
        closeActiveButtonIcon = SparkRes.getImageIcon(SparkRes.CLOSE_DARK_X_IMAGE);

        setOpaque(false);
        tabs.setOpaque(false);
    }

    public SparkTab addTab(String text, Icon icon, final Component component, String tooltip) {
        SparkTab tab = addTab(text, icon, component);
        tab.setToolTipText(tooltip);
        return tab;
    }


    public SparkTab addTab(String text, Icon icon, final Component component) {
        final SparkTab tab = new SparkTab(icon, text);
        if (getBackgroundColor() != null) {
            tab.setBackgroundColor(backgroundColor);
        }

        if (getBorderColor() != null) {
            tab.setBorderColor(borderColor);
        }

        tab.setTabPlacement(tabPlacement);
        //tabs.add(tab, new GridBagConstraints(tabs.getComponentCount(), 1, 1, 1, 1.0, 1.0, GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(2, 0, 0, 0), 0, 0));

        tabs.add(tab);
        // Add Component to main panel
        mainPanel.add(Integer.toString(component.hashCode()), component);
        tab.addMouseListener(this);

        boolean allowClosingThisTab = true;
        LocalPreferences pref = SettingsManager.getLocalPreferences();

        if (!pref.arePerisitedChatRoomsClosable()) {
            allowClosingThisTab = ConferenceUtils.isChatRoomClosable(component);
        }
        //JOptionPane.showMessageDialog(this, "allowClosingThisTab:" + allowClosingThisTab);

        // Add Close Button
        if (isCloseButtonEnabled() && allowClosingThisTab) {
            final JLabel closeButton = new JLabel(closeInactiveButtonIcon);
            tab.addComponent(closeButton);
            closeButton.addMouseListener(new MouseAdapter() {
                        public void mouseEntered(MouseEvent mouseEvent) {
                            if (Spark.isWindows()) {
                                closeButton.setIcon(closeActiveButtonIcon);
                            }

                            setCursor(HAND_CURSOR);
                        }

                        public void mouseExited(MouseEvent mouseEvent) {
                            if (Spark.isWindows()) {
                                closeButton.setIcon(closeInactiveButtonIcon);
                            }

                            setCursor(DEFAULT_CURSOR);
                        }

                        public void mousePressed(MouseEvent mouseEvent) {
                            final SwingWorker closeTimerThread = new SwingWorker() {
                                    public Object construct() {
                                        try {
                                            Thread.sleep(100);
                                        }
                                        catch (InterruptedException e) {
                                            Log.error(e);
                                        }
                                        return true;
                                    }

                                    public void finished() {
                                        close(tab, component);
                                    }
                                };
                            closeTimerThread.start();
                        }
                    });
        }


        if (getSelectedIndex() == -1) {
            setSelectedTab(tab);
        }


        fireTabAdded(tab, component, getIndex(tab));


        return tab;
    }

    public int getSelectedIndex() {
        Component[] comps = tabs.getComponents();
        for (int i = 0; i < comps.length; i++) {
            Component c = comps[i];
            SparkTab tab = (SparkTab)c;
            if (tab.isSelected()) {
                return i;
            }
        }

        return -1;
    }

    public void setSelectedIndex(int index) {
        Component[] comps = tabs.getComponents();
        if (index <= comps.length) {
            SparkTab tab = (SparkTab)comps[index];
            setSelectedTab(tab);
        }
    }

    public int getTabCount() {
        return tabs.getComponents().length;
    }

    public int indexOfComponent(Component comp) {
        Component[] comps = mainPanel.getComponents();
        for (int i = 0; i < comps.length; i++) {
            Component c = comps[i];
            if (c == comp) {
                return i;
            }
        }

        return -1;
    }

    public Component getComponentAt(int index) {
        Component[] comps = mainPanel.getComponents();
        for (int i = 0; i < comps.length; i++) {
            Component c = comps[i];
            if (i == index) {
                return c;
            }
        }

        return null;
    }

    public void removeTabAt(int index) {
        SparkTab tab = getTabAt(index);
        Component comp = getComponentAt(index);
        close(tab, comp);
    }


    public SparkTab getTabAt(int index) {
        Component[] comps = tabs.getComponents();
        for (int i = 0; i < comps.length; i++) {
            Component c = comps[i];
            if (i == index) {
                return (SparkTab)c;
            }
        }