Update_xml_GUI

$global:G_path = "G:\";
$global:G_xml = "config.xml";
function Select-Folder($message='Select a folder', $path = 0)
{
    $object = New-Object -comObject Shell.Application
    $folder = $object.BrowseForFolder(0, $message, 0, $path)
    if ($folder -ne $null)
    {
        button "Enter Folders" "Series Name" "Target Folder" $folder.self.Path;
    }
}

function button ($title, $Name, $Loction, $TF)
{
###################Load Assembly for creating form & button######

[void][System.Reflection.Assembly]::LoadWithPartialName( "System.Windows.Forms")
[void][System.Reflection.Assembly]::LoadWithPartialName( "Microsoft.VisualBasic")

#####Define the form size & placement

$form = New-Object "System.Windows.Forms.Form";
$form.Width = 500;
$form.Height = 150;
$form.Text = $title;
$form.StartPosition = [System.Windows.Forms.FormStartPosition]::CenterScreen;

##############Define text label1
$textLabel1 = New-Object "System.Windows.Forms.Label";
$textLabel1.Left = 25;
$textLabel1.Top = 15;
$textLabel1.Text = $Name;

##############Define text label2
$textLabel2 = New-Object "System.Windows.Forms.Label";
$textLabel2.Left = 25;
$textLabel2.Top = 50;
$textLabel2.Text = $Loction;


############Define text box1 for input
$textBox1 = New-Object "System.Windows.Forms.TextBox";
$textBox1.Left = 145;
$textBox1.Top = 10;
$textBox1.width = 250;

############Define text box2 for input
$textBox2 = New-Object "System.Windows.Forms.TextBox";
$textBox2.Left = 145;
$textBox2.Top = 50;
$textBox2.width = 250;


#############Define default values for the input boxes
$defaultValue = ""
$textBox1.Text = $defaultValue;
$textBox2.Text = $TF;

#############define OK button
$button = New-Object "System.Windows.Forms.Button";
$button.Left = 190;
$button.Top = 85;
$button.Width = 100;
$button.Text = "OK";


#############define Cancel button
$button2 = New-Object "System.Windows.Forms.Button";
$button2.Left = 295;
$button2.Top = 85;
$button2.Width = 100;
$button2.Text = "Cancel";

############# This is when you have to close the form after getting values
$eventHandler = [System.EventHandler]{
$textBox1.Text;
$textBox2.Text;
$form.Close();};
$button.Add_Click($eventHandler);
$button2.Add_Click({$form.Close()});

#############Add controls to all the above objects defined
$form.Controls.Add($button);
$form.Controls.Add($button2);
$form.Controls.Add($textLabel1);
$form.Controls.Add($textLabel2);
$form.Controls.Add($textBox1);
$form.Controls.Add($textBox2);
$ret = $form.ShowDialog();

#################return values
return $textBox1.Text, $textBox2.Text
}

function Rebuild()
{
    $return = Select-Folder -mess 'Select some folder:' -path $G_path
    if($return -ne $null)
    {
        # Create The Document
        $XmlWriter = New-Object System.XMl.XmlTextWriter($filePath,$Null)

        # Set The Formatting
        $xmlWriter.Formatting = "Indented"
        $xmlWriter.Indentation = "4"

        # Write the XML Decleration
        $xmlWriter.WriteStartDocument()

        # Write Root Element
        $xmlWriter.WriteStartElement("tvAutoMover")

        # Write the Document
        $xmlWriter.WriteStartElement("tv_item")
        $xmlWriter.WriteElementString("file_name",$return[0])
        $xmlWriter.WriteElementString("destination",$return[1])
        $xmlWriter.WriteEndElement

        # Write Close Tag for Root Element
        $xmlWriter.WriteEndElement
        # End the XML Document
        $xmlWriter.WriteEndDocument()

        # Finish The Document
        $xmlWriter.Finalize
        $xmlWriter.Flush
        $xmlWriter.Close()
        }
    }
function Delete()
{
    Remove-Item $filePath -Force
}

function Add_Node()
{
    $return = Select-Folder -mess 'Select some folder:' -path $G_path
    if($return -ne $null)
    {
        $Title = $return[0]
        $Dest = $return[1]
        $Title
        $Dest
        foreach($xmlItem in $fileContent.tvAutoMover.tv_item)
        {
            $TitleExist = $xmlItem.file_name.ToLower().CompareTo("$Title".ToLower())
            $DestExist = $xmlItem.destination.ToLower().CompareTo("$Dest".ToLower())

            if($TitleExist -eq 0)
            {
                $wshell = New-Object -ComObject Wscript.Shell
                $wshell.Popup($Title + " Already Exist!",0,"Error")
                #return $null
                Add_Node
            }

            if($DestExist -eq 0)
            {
                $wshell = New-Object -ComObject Wscript.Shell
                $wshell.Popup($Dest + " Already Exist!",0,"Error")
                #return $null
                Add_Node
            }

        }
        [xml]$ValueList = New-Object XML
        $ValueList.Load($filePath)
        $Match = $ValueList.tvAutoMover.tv_item.file_name
        # Copy Object
        try
        {
            [Object]$CopyValue = $ValueList.tvAutoMover.tv_item | Where-Object {$_.file_name -eq $Match[0]}
            $NweValue = $CopyValue.Clone()
        }

        catch
        {
            [Object]$CopyValue = $ValueList.tvAutoMover.tv_item | Where-Object {$_.file_name -eq $Match}
            $NweValue = $CopyValue.Clone()
        }

        # Add Series to new Object
        $NweValue.file_name = "$Title"
        $NweValue.destination = "$Dest"

        # Add Series to XML Object
        $ValueList.tvAutoMover.AppendChild($NweValue)

        #Save to XML object to XML file
        $ValueList.Save($filePath)
        $wshell = New-Object -ComObject Wscript.Shell
        $wshell.Popup($Title + " Was added Secssefully.",0,"Added!")
        Exit
    }
}

# Set the File Name
$scriptDir = Split-Path -parent $MyInvocation.MyCommand.Definition
$cfgName = $G_xml
$filePath = $scriptDir + "\" + $cfgName

# Cheacking if the file Exist
if(Test-Path $filePath)
{
    # Trying to access file and add new data in to it
    try
    {
        [xml]$fileContent = New-Object XML
        $fileContent.Load($filePath)
        Add_Node
    }
    # in case of an error, Delete the file and rebuild it
    catch
    {
        Delete
        $wshell = New-Object -ComObject Wscript.Shell
        $wshell.Popup("Config file Corrupted!`nRebuilding file...",0,"Error")
        Rebuild
        $wshell = New-Object -ComObject Wscript.Shell
        $wshell.Popup("File successfully built.",0,"Message")
    }

}
else
{
    $wshell = New-Object -ComObject Wscript.Shell
    $wshell.Popup("Config file is Missing!`nRebuilding file...",0,"Error")
    Rebuild
    #Add_Node
}