cadddlg.cpp

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//PK 2006/10/11 - 2007/03/10

#include "stdafx.h"
#include "resource.h"

#include "cadddlg.h"
#include "utility.h"
#include "wtl_tools.h"
#include "configurations.h"
#include "Repository.h"
#include "Book.h"
#include "Item.h"
#include "CreateBookDlg.h"
#include "MainDlg.h"

LRESULT CAddDlg::OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{	//PK 2006/10/11 - 2007/03/08
	CenterWindow(GetParent());
	HICON hIconSmall = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDR_MAINFRAME), 
		IMAGE_ICON, ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR);
	SetIcon(hIconSmall, FALSE);

	_edit_fn = GetDlgItem(IDC_EDT_DLGADD_NAME);
	_day = GetDlgItem(IDC_DTP_DLGADD_DAY);
	_edit_times = GetDlgItem(IDC_EDT_DLGADD_TIMES);
	_cmb_books = GetDlgItem(IDC_CMB_DLGADD_CLASS);
	_edit_content = GetDlgItem(IDC_EDT_DLGADD_CONTENT);
	_text_total = GetDlgItem(IDC_TXT_DLGADD_TOTAL);

	int amount = _repository.size();
	for (int i = 0; i < amount; ++i) {
		CBook * book = _repository.get_book(i);
		_add_book_to_list(book);
	}
	_cmb_books.SetCurSel(0);

	CButton btn = GetDlgItem(IDC_BTN_DLGADD_OK);
	switch(_status)
	{
	case ADD:
		{
		_day.SetSystemTime(GDT_NONE, NULL);
		_day.EnableWindow(FALSE);
		_edit_times.SetWindowText("0");
		_edit_times.EnableWindow(FALSE);
		SetWindowText("Recite - Add Items");
		btn.SetWindowText("&Add");
		}
		break;
	case MODIFY:
		{
		assert(_item != NULL);
		_edit_fn.SetWindowText(_item->file_name().string().c_str());
		_edit_fn.EnableWindow(FALSE);
		date day = _item->access_date();
		if (day.is_not_a_date()) _day.SetSystemTime(GDT_NONE, NULL);
		else {
			SYSTEMTIME st;
			memset(&st, 0, sizeof(SYSTEMTIME));
			st.wYear = day.year();
			st.wMonth = day.month();
			st.wDay = day.day();
			_day.SetSystemTime(GDT_VALID, &st);
		}
		_edit_times.SetWindowText(ulong2c(_item->access_times()).c_str());
		int amount = _cmb_books.GetCount();
		CBook * book = _item->book();
		for (int i = 0; i < amount; ++i) {
			if ((CBook*)_cmb_books.GetItemData(i) == book) {
				_cmb_books.SetCurSel(i);
				_cmb_books.EnableWindow(FALSE);
			}
		}
		_article = _item->get_article();
		_edit_content.SetWindowText(_article.c_str());
		SetWindowText("Recite - Modify Item");
		btn.SetWindowText("OK");
		CButton btn_book = GetDlgItem(IDC_BTN_DLGADD_BOOK);
		btn_book.EnableWindow(FALSE);
		}
		break;
	default:
		assert(false);	//PK the logic can't reach here
	}
	OnBookChange(0, 0, 0);
	return TRUE;
}
LRESULT CAddDlg::OnOK(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{	//PK 2006/10/11 - 2007/03/10
	fs::path file_path;
	string content, times;

	//PK check if the contents of controls is valid
	bool is_valid = true;
	stringstream promot;
	//PK file name
	if (ADD == _status) {
		assert(NULL == _item);
		_item = new CItem();
		string fn;
		get_window_text(_edit_fn, fn);
		if (!iends_with(fn, ".txt")) fn = fn + ".txt";
		try {
			file_path = fs::path(fn);
		} catch (...) {
			is_valid = false;
			promot << "File name must be a valid file name!" << std::endl;
		}
	}
	//PK studied times
	get_window_text(_edit_times, times);
	if (times.empty()) {
		is_valid = false;
		promot << "\"Times\" can't be empty!" << std::endl;
	}
	string::iterator itr = times.begin(), itr_end = times.end();
	for (; itr != itr_end; ++itr) {
		if (0 == isdigit(*itr)) {
			is_valid = false;
			promot << "\"Times\" must be number!" << std::endl;
			break;
		}
	}
	//PK article
	get_window_text(_edit_content, content);
	if (content.empty()) {
		is_valid = false;
		promot << "\"Content\" can't be empty!" << std::endl;
	}
	//PK promot the error
	if (!is_valid) {
		string caption;
		if (ADD == _status) caption = "Add - ";
		if (MODIFY == _status) caption = "Modify - ";
		caption = caption + "Error!";
		MessageBox(promot.str().c_str(), caption.c_str(), MB_OK | MB_ICONWARNING);
		delete _item;
		_item = NULL;
		return 0;
	}

	//PK set properties of item
	CBook * book = (CBook*)_cmb_books.GetItemDataPtr(_cmb_books.GetCurSel());
	if (ADD == _status) {
		_item->book(book);
		_item->file_name(file_path);
		if (fs::exists(_item->file_name())) {
			promot << ("File \"") << file_path.string() << "\" has existed!" << std::endl;
			MessageBox(promot.str().c_str(), "Add - Error!", MB_OK | MB_ICONWARNING);
			delete _item;
			_item = NULL;
			return 0;
		}
		_item->attach_article(content);
		book->add_item(_item);
	} else {
		if (content != _article) _item->attach_article(content);
	}
	_item->access_times(atoi(times.c_str()));
	SYSTEMTIME st;
	DWORD res = _day.GetSystemTime(&st);
	if (GDT_VALID == res) {
		_item->access_date(date(st.wYear, st.wMonth, st.wDay));
	}

	//PK let item be displayed in list control
	if (ADD == _status && book->is_active()) {
		::PostMessage(GetParent(), WM_ITEM_ADD, (WPARAM)_item, 0);
	}

	//PK clear controls for adding next item
	_edit_fn.SetWindowText("");
	_edit_times.SetWindowText("0");
	_edit_content.SetWindowText("");
	if (ADD == _status) _item = NULL;
	else EndDialog(wID);
	OnBookChange(0, 0, 0);
	return 0;
}
LRESULT CAddDlg::OnCancel(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{	//PK 2006/10/11
	EndDialog(wID);
	return 0;
}
LRESULT CAddDlg::OnCreateBook(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{	//PK 2007/03/05
	CAddBookDlg dlg;
	if (dlg.DoModal() == IDOK) {
		CBook * book = _repository.add_book(dlg._name, dlg._path);
		_add_book_to_list(book);
	}
	return 0;
}
LRESULT CAddDlg::OnBookChange(UINT, int, HWND)
{	//PK 2007/02/23
	int index = _cmb_books.GetCurSel();
	if (index == -1) return 0;
	CBook * book = (CBook*)_cmb_books.GetItemDataPtr(index);
	int amout = book->size();
	stringstream str;
	str << "Total Items: " << amout << std::ends;
	_text_total.SetWindowText(str.str().c_str());
	return 0;
}
void CAddDlg::_add_book_to_list(CBook * book)
{	//PK 2007/03/05
	int idx = _cmb_books.InsertString(_cmb_books.GetCount(), book->book_name().c_str());
	_cmb_books.SetItemDataPtr(idx, (void*)book);
}