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// This file is part of the Noddybox.Emulation C# suite.
//
// Noddybox.Emulation 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.
//
// Noddybox.Emulation 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 Noddybox.Emulation.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright (c) 2012 Ian Cowburn
//
using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Noddybox.Emulation.Keyboard.Schema;
using System.Xml;

namespace EmuKeyboardDesigner
{
    public partial class MainForm : Form
    {
        public MainForm()
        {
            InitializeComponent();
        }

        private void SetKey(bool select, bool allowNew)
        {
            string sym = keysymTextBox.Text;

            if (!String.IsNullOrWhiteSpace(sym))
            {
                int index = keyList.FindStringExact(sym);

                if (index > -1)
                {
                    KeyboardKey key = (KeyboardKey)keyList.Items[index];

                    key.X = imageControl.KeyX;
                    key.Y = imageControl.KeyY;
                    key.Width = imageControl.KeyWidth;
                    key.Height = imageControl.KeyHeight;
                    key.Sticky = stickyCheckBox.Checked;

                    if (select)
                    {
                        keyList.SelectedItem = key;
                    }
                }
                else if (allowNew)
                {
                    KeyboardKey key = new KeyboardKey()
                    {
                        KeySymbol = sym,
                        X = imageControl.KeyX,
                        Y = imageControl.KeyY,
                        Width = imageControl.KeyWidth,
                        Height = imageControl.KeyHeight,
                        Sticky = stickyCheckBox.Checked
                    };

                    keyList.Items.Add(key);
                    keyList.SelectedItem = key;
                }
            }
        }

        private void OnSetKey(object sender, EventArgs e)
        {
            SetKey(true, true);
        }

        private void OnLoad(object sender, EventArgs e)
        {
            OpenFileDialog fsel = new OpenFileDialog();

            fsel.Filter = "XML Files(*.XML)|*.XML";

            if (fsel.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    XmlDocument xml = new XmlDocument();

                    xml.Load(fsel.FileName);

                    KeyboardDefinition def = KeyboardDefinition.CreateFromXML(xml);

                    keyList.Items.Clear();

                    foreach (KeyboardKey k in def.Definitions)
                    {
                        keyList.Items.Add(k);
                    }

                    if (keyList.Items.Count > 0)
                    {
                        keyList.SelectedIndex = 0;
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Failed to load " + fsel.FileName + "\n\n" + ex.Message, ex.GetType().ToString(), MessageBoxButtons.OK);
                }
            }
        }

        private void OnSave(object sender, EventArgs e)
        {
            SaveFileDialog fsel = new SaveFileDialog();

            fsel.Filter = "XML Files(*.XML)|*.XML";

            if (fsel.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    KeyboardDefinition def = new KeyboardDefinition();

                    foreach (KeyboardKey k in keyList.Items)
                    {
                        def.Definitions.Add(k);
                    }

                    XmlDocument doc = def.CreateXML();

                    doc.Save(fsel.FileName);
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Failed to save " + fsel.FileName + "\n\n" + ex.Message, ex.GetType().ToString(), MessageBoxButtons.OK);
                }
            }
        }

        private void OnKeySelected(object sender, EventArgs e)
        {
            if (keyList.SelectedIndex > -1)
            {
                SetKey(false, false);

                KeyboardKey key = (KeyboardKey)keyList.SelectedItem;

                keysymTextBox.Text = key.KeySymbol;
                imageControl.KeyX = key.X;
                imageControl.KeyY = key.Y;
                imageControl.KeyWidth = key.Width;
                imageControl.KeyHeight = key.Height;
                stickyCheckBox.Checked = key.Sticky;
            }
        }

        private void OnRemoveKey(object sender, EventArgs e)
        {
            if (keyList.SelectedIndex > -1)
            {
                int index = keyList.SelectedIndex;

                keyList.Items.RemoveAt(index);

                if (index > keyList.Items.Count - 1)
                {
                    index--;
                }

                if (index > -1)
                {
                    keyList.SelectedIndex = index;
                }
            }
        }
    }
}