#if !JAVA
/*
 * VersionInfo.cs
 * Copyright (c) 2008-2009 kbinani
 *
 * This file is part of Boare.Lib.AppUtil.
 *
 * Boare.Lib.AppUtil is free software; you can redistribute it and/or
 * modify it under the terms of the BSD License.
 *
 * Boare.Lib.AppUtil 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.
 */
using System;
//using System.Drawing;
//using System.Drawing.Drawing2D;
//using System.Windows.Forms;
using bocoree;
using bocoree.java.awt;
using bocoree.java.awt.image;

namespace Boare.Lib.AppUtil {
    using java = bocoree.java;
    using javax = bocoree.javax;
    using Graphics = bocoree.java.awt.Graphics2D;

    public partial class VersionInfo : System.Windows.Forms.Form {
        DateTime m_scroll_started;
        private AuthorListEntry[] m_credit;
        const float m_speed = 35f;
        string m_version;
        bool m_credit_mode = false;
        float m_last_t = 0f;
        float m_last_speed = 0f;
        float m_shift = 0f;
        int m_button_width_about = 75;
        int m_button_width_credit = 75;
        BufferedImage m_scroll;
        const int m_height = 380;
        readonly Color m_background = Color.white;
        private string m_app_name = "";
        private Color m_app_name_color = Color.black;
        private Color m_version_color = new Color( 105, 105, 105 );
        private bool m_shadow_enablde = true;

        public VersionInfo( string app_name, string version ) {
            m_version = version;
            m_app_name = app_name;
            InitializeComponent();
            ApplyLanguage();

            this.SetStyle( System.Windows.Forms.ControlStyles.DoubleBuffer, true );
            this.SetStyle( System.Windows.Forms.ControlStyles.UserPaint, true );
            this.SetStyle( System.Windows.Forms.ControlStyles.AllPaintingInWmPaint, true );

            m_credit = new AuthorListEntry[] { };
            btnSaveAuthorList.Visible = false;
#if DEBUG
            GenerateAuthorList();
            btnSaveAuthorList.Visible = true;
            btnSaveAuthorList.Click += new EventHandler( btnSaveAuthorList_Click );
#endif
        }

        public bool SaveAuthorListVisible {
            set {
                btnSaveAuthorList.Visible = value;
            }
        }

        public static string _( string s ) {
            return Messaging.getMessage( s );
        }

        /// <summary>
        /// バージョン番号表示の文字色を取得または設定します
        /// </summary>
        public Color VersionColor {
            get {
                return m_version_color;
            }
            set {
                m_version_color = value;
            }
        }
        
        /// <summary>
        /// アプリケーション名表示の文字色を取得または設定します
        /// </summary>
        public Color AppNameColor {
            get {
                return m_app_name_color;
            }
            set {
                m_app_name_color = value;
            }
        }

        public BufferedImage Credit {
            set {
                m_scroll = value;
            }
        }

        public string AppName {
            get {
                return m_app_name;
            }
            set {
                m_app_name = value;
            }
        }

        public AuthorListEntry[] AuthorList {
            set {
                m_credit = value;
                GenerateAuthorList();
            }
        }

        private void GenerateAuthorList() {
            const float shadow_shift = 2f;
            const string font_name = "Arial";
            const int font_size = 10;
            Font font = new Font( font_name, java.awt.Font.PLAIN, font_size );
            Dimension size = Boare.Lib.AppUtil.Util.measureString( "Qjqp", font );
            float width = this.Width;
            float height = size.height;
            System.Drawing.StringFormat sf = new System.Drawing.StringFormat();
            m_scroll = new BufferedImage( (int)width, (int)(40f + m_credit.Length * height * 1.1f), BufferedImage.TYPE_INT_BGR );
            Graphics2D g = m_scroll.createGraphics();
            g.setColor( Color.white );
            g.fillRect( 0, 0, m_scroll.getWidth(), m_scroll.getHeight() );
            sf.Alignment = System.Drawing.StringAlignment.Center;
            Font f = new Font( font_name, java.awt.Font.BOLD, (int)(font_size * 1.1f) );
            g.setFont( f );
            if ( m_shadow_enablde ) {
                g.setColor( new Color( 0, 0, 0, 40 ) );
                g.nativeGraphics.DrawString(
                    m_app_name, 
                    f.font, 
                    g.brush, 
                    new System.Drawing.RectangleF( shadow_shift, shadow_shift, width, height ), 
                    sf );
            }
            g.setColor( Color.black );
            g.nativeGraphics.DrawString( 
                m_app_name, 
                f.font, 
                g.brush, 
                new System.Drawing.RectangleF( 0f, 0f, width, height ), 
                sf );
            for ( int i = 0; i < m_credit.Length; i++ ) {
                Font f2 = new Font( font_name, m_credit[i].getStyle(), font_size );
                g.setFont( f2 );
                if ( m_shadow_enablde ) {
                    g.setColor( new Color( 0, 0, 0, 40 ) );
                    g.nativeGraphics.DrawString( 
                        m_credit[i].getName(), 
                        f2.font, 
                        g.brush, 
                        new System.Drawing.RectangleF( 0f + shadow_shift, 40f + i * height * 1.1f + shadow_shift, width, height ),
                        sf );
                }
                g.setColor( Color.black );
                g.nativeGraphics.DrawString( 
                    m_credit[i].getName(),
                    f2.font, 
                    g.brush, 
                    new System.Drawing.RectangleF( 0f, 40f + i * height * 1.1f, width, height ), 
                    sf );
            }
        }

        void btnSaveAuthorList_Click( object sender, EventArgs e ) {
#if DEBUG
            using ( System.Windows.Forms.SaveFileDialog dlg = new System.Windows.Forms.SaveFileDialog() ){
                if( dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK ){
                    javax.imageio.ImageIO.write( m_scroll, "png", new java.io.File( dlg.FileName ) );
                }
            }
#endif
        }

        private void btnOK_Click( object sender, EventArgs e ) {
            this.DialogResult = System.Windows.Forms.DialogResult.OK;
            this.Close();
        }
        
        private void btnFlip_Click( object sender, EventArgs e ) {
            m_credit_mode = !m_credit_mode;
            if ( m_credit_mode ) {
                btnFlip.Width = m_button_width_about;
                btnFlip.Text = string.Format( _( "About {0}" ), m_app_name );
                m_scroll_started = DateTime.Now;
                m_last_speed = 0f;
                m_last_t = 0f;
                m_shift = 0f;
                
                timer.Enabled = true;
            } else {
                timer.Enabled = false;
                btnFlip.Width = m_button_width_credit;
                btnFlip.Text = _( "Credit" );
            }
            this.Invalidate();
        }

        private void timer_Tick( object sender, EventArgs e ) {
            this.Invalidate();
        }
        
        private void VersionInfoEx_Paint( object sender, System.Windows.Forms.PaintEventArgs e ) {
            try {
                paint( new Graphics2D( e.Graphics ) );
            } catch ( Exception ex ) {
#if DEBUG
                Console.WriteLine( "VersionInfoEx_Paint" );
                Console.WriteLine( ex.StackTrace );
#endif
            }
        }

        public void paint( Graphics g1 ) {
            Graphics2D g = (Graphics2D)g1;
            g.clipRect( 0, 0, this.Width, m_height );
            g.clearRect( 0, 0, this.Width, this.Height );
            if ( m_credit_mode ) {
                float times = (float)(((DateTime.Now).Subtract( m_scroll_started )).TotalSeconds) - 3f;
                float speed = (float)((2.0 - bocoree.math.erfcc( times * 0.8 )) / 2.0) * m_speed;
                float dt = times - m_last_t;
                m_shift += (speed + m_last_speed) * dt / 2f;
                m_last_t = times;
                m_last_speed = speed;
                float dx = (this.Width - m_scroll.getWidth( null )) * 0.5f;
                if ( m_scroll != null ) {
                    g.drawImage( m_scroll, (int)dx, (int)(90f - m_shift), null );
                    if ( 90f - m_shift + m_scroll.getHeight( null ) < 0 ) {
                        m_shift = -m_height * 1.5f;
                    }
                }
                int grad_height = 60;
                Rectangle top = new Rectangle( 0, 0, this.Width, grad_height );
                /*using ( LinearGradientBrush lgb = new LinearGradientBrush( top, Color.White, Color.Transparent, LinearGradientMode.Vertical ) ) {
                    g.FillRectangle( lgb, top );
                }*/
                Rectangle bottom = new Rectangle( 0, m_height - grad_height, this.Width, grad_height );
                g.clipRect( 0, m_height - grad_height + 1, this.Width, grad_height - 1 );
                /*using ( LinearGradientBrush lgb = new LinearGradientBrush( bottom, Color.Transparent, Color.White, LinearGradientMode.Vertical ) ) {
                    g.FillRectangle( lgb, bottom );
                }*/
                g.setClip( null );
            } else {
                g.setFont( new Font( "Century Gorhic", java.awt.Font.BOLD, 24 ) );
                g.setColor( m_app_name_color );
                g.drawString( m_app_name, 20, 110 );
                g.setFont( new Font( "Arial", 0, 10 ) );
                g.drawString( "version " + m_version, 25, 150 );
            }
        }

        private void VersionInfoEx_KeyDown( object sender, System.Windows.Forms.KeyEventArgs e ) {
            if ( (e.KeyCode & System.Windows.Forms.Keys.Escape) == System.Windows.Forms.Keys.Escape ) {
                this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
                this.Close();
            }
        }

        private void VersionInfoEx_FontChanged( object sender, EventArgs e ) {
            for ( int i = 0; i < this.Controls.Count; i++ ) {
                Util.applyFontRecurse( this.Controls[i], new java.awt.Font( this.Font ) );
            }
        }
    }

}
#endif
