source: branches/erasershellext/cpp/SecureMove1.h @ 576

#pragma once

using namespace System;
using namespace System::ComponentModel;
using namespace System::Collections;
using namespace System::Windows::Forms;
using namespace System::Data;
using namespace System::Drawing;
using namespace System::Threading;


namespace EraserCtxMenu {

    /// <summary>
    /// Summary for SecureMove
    ///
    /// WARNING: If you change the name of this class, you will need to change the
    ///          'Resource File Name' property for the managed resource compiler tool
    ///          associated with all .resx files this class depends on.  Otherwise,
    ///          the designers will not be able to interact properly with localized
    ///          resources associated with this form.
    /// </summary>
    public ref class SecureMove : public System::Windows::Forms::Form
    {
    public:
        SecureMove(void)
        {
            InitializeComponent();
            //
            //TODO: Add the constructor code here
            //
        }

    protected:
        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        ~SecureMove()
        {
            if (components)
            {
                delete components;
            }
        }
    private: System::Windows::Forms::ProgressBar^  progressBar1;
    protected: 
    private: System::Windows::Forms::Button^  cancel;
    private: System::Windows::Forms::PictureBox^  pictureBox1;
    private: System::Windows::Forms::Label^  fromLabel;
    private: System::Windows::Forms::Label^  toLabel;
    private: System::Windows::Forms::TextBox^  textBoxFrom;
    private: System::Windows::Forms::TextBox^  textBoxTo;


    private: System::Windows::Forms::Button^  openBrowserBtn;
    private: System::Windows::Forms::Button^  saveBrowserBtn;



    private: System::Windows::Forms::OpenFileDialog^  openFileDialog1;
    private: System::Windows::Forms::SaveFileDialog^  saveFileDialog1;
    private: System::Windows::Forms::Button^  start;









    private:
        /// <summary>
        /// Required designer variable.
        /// </summary>
        System::ComponentModel::Container ^components;

#pragma region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        void InitializeComponent(void)
        {
            this->progressBar1 = (gcnew System::Windows::Forms::ProgressBar());
            this->cancel = (gcnew System::Windows::Forms::Button());
            this->pictureBox1 = (gcnew System::Windows::Forms::PictureBox());
            this->fromLabel = (gcnew System::Windows::Forms::Label());
            this->toLabel = (gcnew System::Windows::Forms::Label());
            this->textBoxFrom = (gcnew System::Windows::Forms::TextBox());
            this->textBoxTo = (gcnew System::Windows::Forms::TextBox());
            this->openBrowserBtn = (gcnew System::Windows::Forms::Button());
            this->saveBrowserBtn = (gcnew System::Windows::Forms::Button());
            this->openFileDialog1 = (gcnew System::Windows::Forms::OpenFileDialog());
            this->saveFileDialog1 = (gcnew System::Windows::Forms::SaveFileDialog());
            this->start = (gcnew System::Windows::Forms::Button());
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->pictureBox1))->BeginInit();
            this->SuspendLayout();
            // 
            // progressBar1
            // 
            this->progressBar1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>(((System::Windows::Forms::AnchorStyles::Bottom | System::Windows::Forms::AnchorStyles::Left) 
                | System::Windows::Forms::AnchorStyles::Right));
            this->progressBar1->Location = System::Drawing::Point(12, 153);
            this->progressBar1->Name = L"progressBar1";
            this->progressBar1->Size = System::Drawing::Size(286, 20);
            this->progressBar1->TabIndex = 0;
            // 
            // cancel
            // 
            this->cancel->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((System::Windows::Forms::AnchorStyles::Bottom | System::Windows::Forms::AnchorStyles::Right));
            this->cancel->Location = System::Drawing::Point(385, 151);
            this->cancel->Name = L"cancel";
            this->cancel->Size = System::Drawing::Size(75, 23);
            this->cancel->TabIndex = 1;
            this->cancel->Text = L"&Cancel";
            this->cancel->UseVisualStyleBackColor = true;
            // 
            // pictureBox1
            // 
            this->pictureBox1->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Bottom) 
                | System::Windows::Forms::AnchorStyles::Left) 
                | System::Windows::Forms::AnchorStyles::Right));
            this->pictureBox1->Location = System::Drawing::Point(12, 12);
            this->pictureBox1->Name = L"pictureBox1";
            this->pictureBox1->Size = System::Drawing::Size(146, 133);
            this->pictureBox1->TabIndex = 2;
            this->pictureBox1->TabStop = false;
            // 
            // fromLabel
            // 
            this->fromLabel->AutoSize = true;
            this->fromLabel->Location = System::Drawing::Point(172, 12);
            this->fromLabel->Name = L"fromLabel";
            this->fromLabel->Size = System::Drawing::Size(60, 13);
            this->fromLabel->TabIndex = 4;
            this->fromLabel->Text = L"Move from:";
            // 
            // toLabel
            // 
            this->toLabel->AutoSize = true;
            this->toLabel->Location = System::Drawing::Point(172, 61);
            this->toLabel->Name = L"toLabel";
            this->toLabel->Size = System::Drawing::Size(49, 13);
            this->toLabel->TabIndex = 5;
            this->toLabel->Text = L"Move to:";
            // 
            // textBoxFrom
            // 
            this->textBoxFrom->Anchor = static_cast<System::Windows::Forms::AnchorStyles>(((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Left) 
                | System::Windows::Forms::AnchorStyles::Right));
            this->textBoxFrom->Location = System::Drawing::Point(193, 28);
            this->textBoxFrom->Name = L"textBoxFrom";
            this->textBoxFrom->Size = System::Drawing::Size(226, 20);
            this->textBoxFrom->TabIndex = 6;
            // 
            // textBoxTo
            // 
            this->textBoxTo->Anchor = static_cast<System::Windows::Forms::AnchorStyles>(((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Left) 
                | System::Windows::Forms::AnchorStyles::Right));
            this->textBoxTo->Location = System::Drawing::Point(193, 77);
            this->textBoxTo->Name = L"textBoxTo";
            this->textBoxTo->Size = System::Drawing::Size(226, 20);
            this->textBoxTo->TabIndex = 7;
            // 
            // openBrowserBtn
            // 
            this->openBrowserBtn->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Right));
            this->openBrowserBtn->Location = System::Drawing::Point(425, 26);
            this->openBrowserBtn->Name = L"openBrowserBtn";
            this->openBrowserBtn->Size = System::Drawing::Size(35, 23);
            this->openBrowserBtn->TabIndex = 8;
            this->openBrowserBtn->Text = L"...";
            this->openBrowserBtn->UseVisualStyleBackColor = true;
            this->openBrowserBtn->Click += gcnew System::EventHandler(this, &SecureMove::openBrowserBtn_Click);
            // 
            // saveBrowserBtn
            // 
            this->saveBrowserBtn->Anchor = static_cast<System::Windows::Forms::AnchorStyles>((System::Windows::Forms::AnchorStyles::Top | System::Windows::Forms::AnchorStyles::Right));
            this->saveBrowserBtn->Location = System::Drawing::Point(425, 75);
            this->saveBrowserBtn->Name = L"saveBrowserBtn";
            this->saveBrowserBtn->Size = System::Drawing::Size(35, 23);
            this->saveBrowserBtn->TabIndex = 9;
            this->saveBrowserBtn->Text = L"...";
            this->saveBrowserBtn->UseVisualStyleBackColor = true;
            this->saveBrowserBtn->Click += gcnew System::EventHandler(this, &SecureMove::saveBrowserBtn_Click);
            // 
            // openFileDialog1
            // 
            this->openFileDialog1->FileName = L"openFileDialog1";
            // 
            // start
            // 
            this->start->Location = System::Drawing::Point(312, 155);
            this->start->Name = L"start";
            this->start->Size = System::Drawing::Size(75, 23);
            this->start->TabIndex = 10;
            this->start->Text = L"&Start";
            this->start->UseVisualStyleBackColor = true;
            this->start->Click += gcnew System::EventHandler(this, &SecureMove::start_Click);
            // 
            // SecureMove
            // 
            this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
            this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
            this->ClientSize = System::Drawing::Size(472, 186);
            this->Controls->Add(this->start);
            this->Controls->Add(this->saveBrowserBtn);
            this->Controls->Add(this->openBrowserBtn);
            this->Controls->Add(this->textBoxTo);
            this->Controls->Add(this->textBoxFrom);
            this->Controls->Add(this->toLabel);
            this->Controls->Add(this->fromLabel);
            this->Controls->Add(this->pictureBox1);
            this->Controls->Add(this->cancel);
            this->Controls->Add(this->progressBar1);
            this->Name = L"SecureMove";
            this->Text = L"SecureMove";
            (cli::safe_cast<System::ComponentModel::ISupportInitialize^  >(this->pictureBox1))->EndInit();
            this->ResumeLayout(false);
            this->PerformLayout();

        }
#pragma endregion

    private: String ^dst;
    private: String ^src;
                     void Move()
                     {
                         IO::FileStream ^sf, ^df;
                         int read = 0;
                         int progress = 0;

                         // here it is best to do the move manually
                         // as we have to hold locks to the both of
                         // the files simultaniously.
                         try
                         {
                             try
                             {
                                 sf = gcnew IO::FileStream(src, IO::FileMode::Open, 
                                     IO::FileAccess::Read,
                                     IO::FileShare::None);

                                 df = gcnew IO::FileStream(dst, IO::FileMode::CreateNew, 
                                     IO::FileAccess::Write,
                                     IO::FileShare::None);

                                 do
                                 {
                                     array<Byte,1> ^buffer = gcnew array<Byte,1>(65536);
                                     read = sf->Read(buffer, 0, buffer->Length);
                                     df->Write(buffer, 0, read);
                                     progress = (sf->Position * 100) / sf->Length;

                                 } while((read != 0) && (sf->Position == sf->Length));

                                 array<String^> ^src_array = gcnew array<String^>(1);
                                 src_array[0] = src;

                                 // EraseFiles( src_array );
                             } 
                             catch(IO::IOException ^ex)
                             {
                                 // some error handling
                             }
                         } 
                         finally
                         {
                             sf->Close();
                             df->Close();
                         }
                     }
    private: System::Void openBrowserBtn_Click(System::Object^  sender, System::EventArgs^  e) 
                     {
                         if(openFileDialog1->ShowDialog() == Windows::Forms::DialogResult::OK)
                         {
                             textBoxFrom->Text = openFileDialog1->FileName;
                         }
                     }
    private: System::Void saveBrowserBtn_Click(System::Object^  sender, System::EventArgs^  e) 
                     {
                         if(saveFileDialog1->ShowDialog() == Windows::Forms::DialogResult::OK)
                         {
                             textBoxTo->Text = saveFileDialog1->FileName;
                         }
                     }

    private: System::Void updateUI()
                     {
                         if(state == RUNNING)
                             start->Text = L"&Pause";
                         else
                             start->Text = L"&Start";
                     }

    private: System::Void start_Click(System::Object^  sender, System::EventArgs^  e) 
                     {
                         if(state == RUNNING)
                         {
                             // pause
                             if(thread->ThreadState != ThreadState::Aborted)
                                 thread->Suspend();
                         }
                         else if(state == NOT_RUNNING)
                         {
                             // start
                             if(thread->ThreadState == ThreadState::Stopped)
                             {
                                 // resume
                                 thread->Resume();
                                 thread->Start();
                             }
                             else if(thread->ThreadState == ThreadState::Aborted ||
                                 thread->ThreadState == ThreadState::Unstarted)
                             {
                                 // start a new thread
                                 thread = gcnew System::Threading::Thread
                                     (
                                     gcnew ThreadStart( gcnew Object( this ),
                                                                            gcnew IntPtr( Move ) )
                                     );
                                                                 
                             }                           
                         }
                         updateUI();

                     }

    private: static const bool RUNNING = true;
    private: static const bool NOT_RUNNING  = false;
    private: bool state;
    private: System::Threading::Thread ^thread ;
    };
}