#include "TestClass.h"

#pragma once

namespace My164086 {

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

	/// <summary>
	/// Summary for Form1
	///
	/// 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 Form1 : public System::Windows::Forms::Form
	{
	public:
		Form1(void)
		{
			InitializeComponent();
			//
			//TODO: Add the constructor code here
			//
		}

	protected:
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		~Form1()
		{
			if (components)
			{
				delete components;
			}
		}
	private: System::Windows::Forms::Label^  label1;
	protected: 
	private: System::Windows::Forms::TextBox^  textBox1;
	private: System::Windows::Forms::Button^  button1;
	private: System::Windows::Forms::Button^  button2;

	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->label1 = (gcnew System::Windows::Forms::Label());
			this->textBox1 = (gcnew System::Windows::Forms::TextBox());
			this->button1 = (gcnew System::Windows::Forms::Button());
			this->button2 = (gcnew System::Windows::Forms::Button());
			this->SuspendLayout();
			// 
			// label1
			// 
			this->label1->AutoSize = true;
			this->label1->Location = System::Drawing::Point(9, 9);
			this->label1->Name = L"label1";
			this->label1->Size = System::Drawing::Size(177, 13);
			this->label1->TabIndex = 0;
			this->label1->Text = L"Поле для ввода тестовой строки:";
			// 
			// textBox1
			// 
			this->textBox1->Location = System::Drawing::Point(12, 26);
			this->textBox1->Name = L"textBox1";
			this->textBox1->Size = System::Drawing::Size(340, 20);
			this->textBox1->TabIndex = 1;
			// 
			// button1
			// 
			this->button1->Enabled = false;
			this->button1->Location = System::Drawing::Point(12, 52);
			this->button1->Name = L"button1";
			this->button1->Size = System::Drawing::Size(340, 23);
			this->button1->TabIndex = 0;
			this->button1->TabStop = false;
			this->button1->Text = L"Кнопка включится когда будет введено 10 символов";
			this->button1->UseVisualStyleBackColor = true;
			// 
			// button2
			// 
			this->button2->Location = System::Drawing::Point(13, 82);
			this->button2->Name = L"button2";
			this->button2->Size = System::Drawing::Size(339, 23);
			this->button2->TabIndex = 0;
			this->button2->TabStop = false;
			this->button2->Text = L"Преобразовать к верхнему регистру";
			this->button2->UseVisualStyleBackColor = true;
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(364, 124);
			this->Controls->Add(this->button2);
			this->Controls->Add(this->button1);
			this->Controls->Add(this->textBox1);
			this->Controls->Add(this->label1);
			this->MaximizeBox = false;
			this->MaximumSize = System::Drawing::Size(380, 160);
			this->MinimizeBox = false;
			this->MinimumSize = System::Drawing::Size(380, 160);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);
			this->ResumeLayout(false);
			this->PerformLayout();

		}
#pragma endregion
		// Обработчик события Load
	private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e) {
				 // Создаем документ
				 document=gcnew TestDocument();
				 button1->Click+=gcnew EventHandler(document,&TestDocument::Button1ClickEventHandler);
				 button2->Click+=gcnew EventHandler(document,&TestDocument::Button2ClickEventHandler);
				 // Связываем документ с контролами формы
				 textBox1->DataBindings->Add(gcnew Binding(L"Text",document,L"Str",false,DataSourceUpdateMode::OnPropertyChanged,String::Empty));
				 button1->DataBindings->Add(gcnew Binding(L"Enabled",document,L"EnabledButton"));
				 button1->DataBindings->Add(gcnew Binding(L"Text",document,L"Button1Caption"));
				 button2->DataBindings->Add(gcnew Binding(L"Text",document,L"Button2Caption"));
				 // И больше ни о чем не беспокоимся
			 }

			 TestDocument^ document;

	};
}

#pragma once

using namespace System;
using namespace System::ComponentModel;

namespace My164086
{
	ref class TestDocument:INotifyPropertyChanged // Этот интерфейс позволяет посылать события об исменении свойств документа
	{
	public:
		// Конструктор. Ничего необычного
		TestDocument()
		{
			EnabledButton=false;
			Str=String::Empty;
			Button1Caption=L"Кнопка включится когда будет введено 10 символов";
			Button2Caption=L"Преобразование к верхнему регистру";
			toUpCase=true;
		}
		// Обработчики событий от кнопок
		void Button1ClickEventHandler(Object^ sender,EventArgs^ e)
		{
			Str=String::Empty;
		}
		void Button2ClickEventHandler(Object^ sender,EventArgs^ e)
		{
			if(toUpCase)
			{
				Str=Str->ToUpper();
				Button2Caption=L"Преобразовать к нижнему регистру";
			}
			else
			{
				Str=Str->ToLower();
				Button2Caption=L"Преобразовать к верхнему регистру";
			}
			toUpCase^=true;
		}
		// Свойство Str
		property String^ Str
		{
			String^ get(){return str;}
			void set(String^ val)
			{
				if(val!=str)
				{
					// Если свойство изменилось - обработаем его
					str=val;
					// И пошлем событие
					NotifyPropertyChanged(L"Str");
					// Включим или выключим кнопку
					if(str->Length<10)EnabledButton=false;
					else EnabledButton=true;
				}
			}
		}
		// Свойство включения кнопки
		property bool EnabledButton
		{
			bool get(){return enabledButton;}
			void set(bool val)
			{
				if(enabledButton!=val)
				{
					enabledButton=val;
					NotifyPropertyChanged(L"EnabledButton");
					if(enabledButton)Button1Caption=L"Теперь нажав на кнопку можно очистить поле ввода";
					else Button1Caption=L"Снова ждем 10 символов";
				}
			}
		}
		// Заголовки кнопок
		property String^ Button1Caption
		{
			String^ get(){return button1Caption;}
			void set(String^ val)
			{
				if(val!=button1Caption)
				{
					button1Caption=val;
					NotifyPropertyChanged(L"Button1Caption");
				}
			}
		}
		property String^ Button2Caption
		{
			String^ get(){return button2Caption;}
			void set(String^ val)
			{
				if(val!=button2Caption)
				{
					button2Caption=val;
					NotifyPropertyChanged(L"Button2Caption");
				}
			}
		}
		// Событие
		virtual event PropertyChangedEventHandler^ PropertyChanged;
	private:
		// Этот метод просто генерирует событие
		void NotifyPropertyChanged(String^ info)
		{
			PropertyChanged(this,gcnew PropertyChangedEventArgs(info));
		}
		// Скрытые члены
		String^ str;
		bool enabledButton;
		String^ button1Caption;
		String^ button2Caption;
		bool toUpCase;
	};
}

#include "stdafx.h"
#include "Form1.h"

using namespace My164086;

[STAThreadAttribute]
int main(array<System::String ^> ^args)
{
	// Enabling Windows XP visual effects before any controls are created
	Application::EnableVisualStyles();
	Application::SetCompatibleTextRenderingDefault(false); 

	// Create the main window and run it
	Application::Run(gcnew Form1());
	return 0;
}