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AgroSense welcome - welcome screen AgroSense

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/**
 * Copyright (C) 2008-2013 LimeTri. All rights reserved.
 *
 * AgroSense 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 3 of the License, or
 * (at your option) any later version.
 *
 * There are special exceptions to the terms and conditions of the GPLv3 as it is applied to
 * this software, see the FLOSS License Exception
 * .
 *
 * AgroSense 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 AgroSense.  If not, see .
 */
package org.netbeans.modules.welcome.ui;

import java.awt.*;
import java.awt.event.*;
import java.util.Arrays;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.border.Border;
import org.netbeans.modules.welcome.WelcomeOptions;
import org.netbeans.modules.welcome.content.Constants;
import org.openide.util.ImageUtilities;

/**
 *
 * @author S. Aubrecht
 */
class TabbedPane extends JPanel implements Constants {

    private final JComponent[] tabs;
    private final TabButton[] buttons;
    private final JComponent tabHeader;
    private final JPanel tabContent;
    private boolean[] tabAdded;
    private int selTabIndex = -1;
    
    public TabbedPane( JComponent ... tabs ) {
        super( new BorderLayout() );

        setOpaque(false);
        
        this.tabs = tabs;
        tabAdded = new boolean[tabs.length];
        Arrays.fill(tabAdded, false);

        // vlv: print
        for( JComponent c : tabs ) {
            c.putClientProperty("print.printable", Boolean.TRUE); // NOI18N
            c.putClientProperty("print.name", c.getName()); // NOI18N
        }
        
        ActionListener al = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                TabButton btn = (TabButton) e.getSource();
                switchTab( btn.getTabIndex() );
                WelcomeOptions.getDefault().setLastActiveTab( btn.getTabIndex() );
            }
        };
        
        buttons = new TabButton[tabs.length];
        for( int i=0; i= 0 ) {
            buttons[selTabIndex].setSelected(false);
        }
        JComponent compToShow = tabs[tabIndex];
        JComponent compToHide = selTabIndex >= 0 ? tabs[selTabIndex] : null;
        selTabIndex = tabIndex;
        buttons[selTabIndex].setSelected(true);

        if( null != compToHide )
            compToHide.setVisible( false );
        
        compToShow.setVisible( true );
        compToShow.requestFocusInWindow();
    }

    @Override
    public Dimension getPreferredSize() {
        Dimension d = super.getPreferredSize();
        if( null != getParent() && null != getParent().getParent() ) {
            Component scroll = getParent().getParent();
            if( scroll.getWidth() > 0 ) {
                if( d.width > scroll.getWidth() ) {
                    d.width = Math.max(scroll.getWidth(), START_PAGE_MIN_WIDTH+(int)(((FONT_SIZE-11)/11.0)*START_PAGE_MIN_WIDTH));
                } else if( d.width < scroll.getWidth() ) {
                    d.width = scroll.getWidth();
                }
            }
        }
        d.width = Math.min( d.width, 1000 );
        return d;
    }
    
    private static class TabButton extends JLabel {
        private boolean isSelected = false;
        private ActionListener actionListener;
        private final int tabIndex;
        
        public TabButton( String title, int tabIndex ) {
            super( title );
            this.tabIndex = tabIndex;
            setOpaque( false );
            setFont( TAB_FONT );
            setForeground( isSelected
                    ? COLOR_TAB_SEL_FOREGROUND 
                    : COLOR_TAB_UNSEL_FOREGROUND  );
            setHorizontalAlignment( JLabel.CENTER );
            setFocusable(true);
            
            addKeyListener( new KeyAdapter() {

                @Override
                public void keyPressed(KeyEvent e) {
                    if( e.getKeyCode() == KeyEvent.VK_SPACE || e.getKeyCode() == KeyEvent.VK_ENTER ) {
                        if( null != actionListener ) {
                            actionListener.actionPerformed( new ActionEvent( TabButton.this, 0, "clicked") );
                        }
                    }
                }
            });

            addMouseListener( new MouseAdapter() {
                @Override
                public void mouseClicked(MouseEvent e) {
                    if( null != actionListener ) {
                        actionListener.actionPerformed( new ActionEvent( TabButton.this, 0, "clicked") );
                    }
                }

                @Override
                public void mouseEntered(MouseEvent e) {
                    if( !isSelected ) {
                        setCursor( Cursor.getPredefinedCursor( Cursor.HAND_CURSOR ) );
                        setForeground(MOUSE_OVER_TAB_COLOR);
                    } else {
                        setCursor( Cursor.getDefaultCursor() );
                    }
                }

                @Override
                public void mouseExited(MouseEvent e) {
                    setCursor( Cursor.getDefaultCursor() );
                    setForeground(isSelected
                            ? COLOR_TAB_SEL_FOREGROUND 
                            : COLOR_TAB_UNSEL_FOREGROUND);
                }
            });
            
            addFocusListener( new FocusListener() {
                @Override
                public void focusGained(FocusEvent e) {
                    setForeground(MOUSE_OVER_LINK_COLOR);
                }
                @Override
                public void focusLost(FocusEvent e) {
                    setForeground(isSelected
                            ? COLOR_TAB_SEL_FOREGROUND 
                            : COLOR_TAB_UNSEL_FOREGROUND);
                }
            });
        }
        
        public void addActionListener( ActionListener l ) {
            assert null == actionListener;
            this.actionListener = l;
        }
        
        public void setSelected( boolean sel ) {
            this.isSelected = sel;
            setForeground(isFocusOwner() 
                    ? MOUSE_OVER_LINK_COLOR
                    : isSelected
                        ? COLOR_TAB_SEL_FOREGROUND 
                        : COLOR_TAB_UNSEL_FOREGROUND  );
            
            setFocusable(!sel);
            if( null != getParent() )
                getParent().repaint();
        }

        public int getTabIndex() {
            return tabIndex;
        }
    }

    private static final Color COLOR_UNSEL = new Color(173,175,176);
    private static final Color COLOR_SEL = new Color(255,255,255);

    private static final Insets insets = new Insets(23, 19, 6, 10);

    private class TabHeader extends JPanel {
        // ABBBBBBBBBBBBBBBCBBBBBBBBBBBBBBBBD
        // 5666666666666666788888888888888889
        // 4               5                6
        // 4   5    6
        // 4               5                6
        // 4               5                6
        // 0111111111111111211111111111111113

        private final Image[] sel;
        private final Image[] unsel;

        private final TabButton[] buttons;

        private final Image imgSelTopLeft1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_topleft1.png"); //NOI18N
        private final Image imgSelTopLeft2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_topleft2.png"); //NOI18N
        private final Image imgSelTop = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_top.png"); //NOI18N
        private final Image imgSelLeft1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_left1.png"); //NOI18N
        private final Image imgSelLeft2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_left2.png"); //NOI18N
        private final Image imgSelTopRight1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_topright1.png"); //NOI18N
        private final Image imgSelTopRight2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_topright2.png"); //NOI18N
        private final Image imgSelRight1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_right1.png"); //NOI18N
        private final Image imgSelRight2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_sel_right2.png"); //NOI18N

        private final Image imgUnselTopLeft1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_topleft1.png"); //NOI18N
        private final Image imgUnselLeft1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_left1.png"); //NOI18N
        private final Image imgUnselLeftTop1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_lefttop1.png"); //NOI18N
        private final Image imgUnselBottomLeft1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_bottomleft1.png"); //NOI18N

        private final Image imgUnselTopRight1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_topright1.png"); //NOI18N
        private final Image imgUnselRight1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_right1.png"); //NOI18N
        private final Image imgUnselRightTop1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_righttop1.png"); //NOI18N
        private final Image imgUnselBottomRight1 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_bottomright1.png"); //NOI18N

        private final Image imgUnselTopLeft2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_topleft2.png"); //NOI18N
        private final Image imgUnselLeft2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_left2.png"); //NOI18N
        private final Image imgUnselBottomLeft2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_bottomleft2.png"); //NOI18N

        private final Image imgUnselTopRight2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_topright2.png"); //NOI18N
        private final Image imgUnselRight2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_right2.png"); //NOI18N
        private final Image imgUnselBottomRight2 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_bottomright2.png"); //NOI18N

        private final Image imgUnselTopRight3 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_topright3.png"); //NOI18N
        private final Image imgUnselRight3 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_right3.png"); //NOI18N
        private final Image imgUnselBottomRight3 = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_bottomright3.png"); //NOI18N

        private final Image imgUnselTop = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_top.png"); //NOI18N
        private final Image imgUnselBottom = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_bottom.png"); //NOI18N
        private final Image imgUnselFiller = ImageUtilities.loadImage("org/netbeans/modules/welcome/tab_unsel_filler.png"); //NOI18N

        public TabHeader( TabButton ... buttons ) {
            super( new GridLayout(1,0) );
            setOpaque(false);
            this.buttons = buttons;
            Border b = BorderFactory.createEmptyBorder( 12, 19, 2, 24 );
            for( TabButton btn : buttons ) {
                btn.setBorder(b);
                add( btn );
            }

            sel = new Image[13];
            unsel = new Image[13];
            for( int i=0; i




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