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using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.Diagnostics;

using System.Threading;

namespace SWAT_USB_App

{

    public partial class form_Drivers : Form

    {

        public static List<string> driverList = new List<string>();

        private static List<Process> toInstall = new List<Process>();

        private static List<RadioButton> formRadioButton = new List<RadioButton>();

        private static form_Drivers _driver_Form = null;

        public static form_Drivers driver_Form_Instance

        {

            set

            {

                _driver_Form = value;

            }

            get

            {

                if (_driver_Form == null)

                    _driver_Form = new form_Drivers();

                return _driver_Form;

            }

        }

        public form_Drivers()

        {

            try

            {

                DebugText.appendText("Driver form initializing");

                // Draws the form with a radiobutton for each driver specified in the text file

                InitializeComponent();

                // Location placeholder 

                int nextXLocation = 6, nextYLocation = 19;

                // Updates the groupbox size to hold all the radiobuttons

                this.groupBox_DriverList.Size = new Size(149, 40 + (driverList.Count - 1) * 23);

                // Updates the window size to hold all the radiobuttons + buttons

                this.Size = new Size(180, 121 + (driverList.Count - 1) * 23);

                formRadioButton.Clear();

                // Adds a radiobutton for each software item, adds rdoBtn to list formRadioButton

                foreach (string str in driverList)

                {

                    RadioButton rdoBtn = new RadioButton();

                    rdoBtn.Name = "rdo_" + str;

                    rdoBtn.AutoSize = true;

                    // Removes the brackets from the name

                    rdoBtn.Text = str;

                    rdoBtn.Location = new Point(nextXLocation, nextYLocation);

                    // Increments the location placeholder for the next radiobutton

                    nextYLocation += 23;

                    this.groupBox_DriverList.Controls.Add(rdoBtn);

                    formRadioButton.Add(rdoBtn);

                }

                if (driverList.Count > 0)

                    formRadioButton[0].Checked = true;

            }

            catch (Exception e)

            {

                DebugText.appendText("Exception Thrown: " + e.ToString());

                MessageBox.Show(e.ToString());

            }

        }

        private void updateToInstallList()

        {

            try

            {

                DebugText.appendText("Updating list of processes to run from list of drivers checked");

                toInstall.Clear();

                // Updates list toInstall with processes for each software checked

                for (int i = 0; i < driverList.Count; i++)

                {

                    if (formRadioButton[i].Checked)

                    {

                        string[] temp;

                        temp = SettingsParser.getSetupLocation(formRadioButton[i].Text);

                        for (int j = 0; j < temp.Count(); j += 2)

                        {

                            Process proc = new Process();

                            proc.StartInfo.FileName = Initialization.pathToSWATDrive + temp[j];

                            proc.StartInfo.Arguments = temp[j + 1];

                            toInstall.Add(proc);

                        }

                    }

                }

            }

            catch (Exception e)

            {

                DebugText.appendText("Exception Thrown: " + e.ToString());

                MessageBox.Show(e.ToString());

            }

        }

        private void startDriverInstallation(List<Process> toInstall, int ID)

        {

            DebugText.appendText("Starting to install drivers from list of processes");

            try

            {

                // Goes through list toInstall and runs each process after the previous one ends

                int tempID = ID;

                if (tempID < toInstall.Count)

                {

                    DebugText.appendText("Running setup " + toInstall[ID].StartInfo.FileName + " with arguments " + toInstall[ID].StartInfo.Arguments);

                    toInstall[ID].Start();

                    while (!toInstall[ID].HasExited)

                    {

                        // Waits for installer to finish before starting the next one

                        Thread.Sleep(3000);

                    }

                    if (toInstall[ID].HasExited)

                    {

                        DebugText.appendText("Setup is detected as finished, running next setup");

                        tempID++;

                        startDriverInstallation(toInstall, tempID);

                    }

                }

            }

            //catch (Win32Exception e)

            //{

            //}

            catch (Exception e)

            {

                DebugText.appendText("Exception Thrown: " + e.ToString());

                MessageBox.Show(e.ToString());

            }

        }

        private void btn_Driver_Ok_Click(object sender, EventArgs e)

        {

            updateToInstallList();

            startDriverInstallation(toInstall, 0);

            this.Close();

        }

        private void btn_Driver_Cancel_Click(object sender, EventArgs e)

        {

            DebugText.appendText("Closing driver form");

            driver_Form_Instance.Close();

        }

    }

}