// PagePlcList.cpp : ʵÏÖÎļþ
//

#include "stdafx.h"
#include "BoounionPLC.h"
#include "PagePlcList.h"
#include "afxdialogex.h"
#include "Common.h"


#define ID_TIMER_INIT			1

// CPagePlcList ¶Ô»°¿ò

IMPLEMENT_DYNAMIC(CPagePlcList, CDialogEx)

CPagePlcList::CPagePlcList(CWnd* pParent /*=NULL*/)
	: CDialogEx(IDD_PAGE_PLC_LIST, pParent)
{
	m_crBkgnd = PAGE_PLC_LIST_BACKGROUND;
	m_hbrBkgnd = nullptr;
	m_pObserver = nullptr;
}

CPagePlcList::~CPagePlcList()
{
}

void CPagePlcList::DoDataExchange(CDataExchange* pDX)
{
	CDialogEx::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_TREE1, m_treeCtrl);
}


BEGIN_MESSAGE_MAP(CPagePlcList, CDialogEx)
	ON_WM_CTLCOLOR()
	ON_WM_DESTROY()
	ON_WM_SIZE()
	ON_MESSAGE(ID_MSG_TREE_CLICK_ITEM, OnTreeClickItem)
	ON_WM_TIMER()
END_MESSAGE_MAP()


// CPagePlcList ÏûÏ¢´¦Àí³ÌÐò


void CPagePlcList::InitRxWindows()
{
	/* code */
	// ¶©ÔÄÊý¾Ý
	IRxWindows* pRxWindows = RX_GetRxWindows();
	pRxWindows->enableLog(5);
	if (m_pObserver == NULL) {
		m_pObserver = pRxWindows->allocObserver([&](IAny* pAny) -> void {
			// onNext
			pAny->addRef();
			int code = pAny->getCode();
			if (RX_CODE_ADD_PLC == code) {
				CPLC* pPlc;
				if (pAny->getPtrValue("ptr", (void*&)pPlc)) {
					HTREEITEM hItem = m_treeCtrl.InsertItem(pPlc->getName().c_str(), nullptr, nullptr);
					m_treeCtrl.SetItemData(hItem, (DWORD_PTR)pPlc);
					m_treeCtrl.ShowWindow(SW_SHOW);
					GetDlgItem(IDC_LABEL_NO_PLC)->ShowWindow(SW_HIDE);
				}
			}
			else if (RX_CODE_REMOVE_PLC == code) {
				CPLC* pPlc;
				if (pAny->getPtrValue("ptr", (void*&)pPlc)) {
					HTREEITEM hItem = FindItem(pPlc);
					if (hItem != nullptr) {
						m_treeCtrl.DeleteItem(hItem);
					}
					BOOL bNoPLC = m_treeCtrl.GetChildItem(nullptr) == nullptr;
					m_treeCtrl.ShowWindow(bNoPLC ? SW_HIDE : SW_SHOW);
					GetDlgItem(IDC_LABEL_NO_PLC)->ShowWindow(bNoPLC ? SW_SHOW : SW_HIDE);

					// ¸üнڵã
					HTREEITEM hSelectedItem = m_treeCtrl.GetSelectedItem();
					CPLC* pSelectedPlc = nullptr;
					if (hSelectedItem != NULL) {
						pSelectedPlc = (CPLC*)m_treeCtrl.GetItemData(hSelectedItem);
					}
					theApp.m_model.notifyPtr(RX_CODE_SELECT_PLC, pSelectedPlc);
				}
			}
			else if (RX_PLC_STATE_CHANGED == code) {
				CPLC* pPlc;
				if (pAny->getPtrValue("ptr", (void*&)pPlc)) {
					HTREEITEM hItem = FindItem(pPlc);
					if (hItem != nullptr && pPlc->isConnected()) {
						m_treeCtrl.ShowItemBadgeDotMode(hItem);
					}
					else {
						m_treeCtrl.HideItemBadge(hItem);
					}
				}
			}

			pAny->release();
		}, [&]() -> void {
			// onComplete
		}, [&](IThrowable* pThrowable) -> void {
			// onErrorm
			pThrowable->printf();
		});

		theApp.m_model.getObservable()->observeOn(pRxWindows->mainThread())
			->subscribe(m_pObserver);
	}
}

BOOL CPagePlcList::OnInitDialog()
{
	CDialogEx::OnInitDialog();
	InitRxWindows();


	HFONT hFontDefault = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
	LOGFONT lf;
	::GetObject(hFontDefault, sizeof(LOGFONT), &lf);
	lf.lfHeight -= 8;
	lf.lfWeight = 400;
	m_fontNoPlc.CreateFontIndirect(&lf);
	GetDlgItem(IDC_LABEL_NO_PLC)->SetFont(&m_fontNoPlc);


	m_treeCtrl.SetBkColor(PAGE_PLC_LIST_BACKGROUND);
	m_treeCtrl.SetItemHeight(50);
	SetTimer(ID_TIMER_INIT, 200, nullptr);


	return TRUE;  // return TRUE unless you set the focus to a control
				  // Òì³£: OCX ÊôÐÔÒ³Ó¦·µ»Ø FALSE
}


HBRUSH CPagePlcList::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
	HBRUSH hbr = CDialogEx::OnCtlColor(pDC, pWnd, nCtlColor);

	if (nCtlColor == CTLCOLOR_STATIC) {
		pDC->SetBkColor(m_crBkgnd);
	}

	if (pWnd->GetDlgCtrlID() == IDC_LABEL_NO_PLC) {
		pDC->SetTextColor(RGB(128, 128, 128));
	}

	if (m_hbrBkgnd == nullptr) {
		m_hbrBkgnd = CreateSolidBrush(m_crBkgnd);
	}

	return m_hbrBkgnd;
}


void CPagePlcList::OnDestroy()
{
	CDialogEx::OnDestroy();

	if (m_pObserver != nullptr) {
		m_pObserver->unsubscribe();
		m_pObserver = NULL;
	}
}

void CPagePlcList::OnSize(UINT nType, int cx, int cy)
{
	CDialogEx::OnSize(nType, cx, cy);
	if (GetDlgItem(IDC_TREE1) == nullptr) return;

	CWnd* pItem;
	CRect rcClient, rcItem;
	GetClientRect(&rcClient);
	GetDlgItem(IDC_TREE1)->MoveWindow(12, 12, rcClient.Width() - 24, rcClient.Height() - 24);
	GetDlgItem(IDC_TOOLBAR_LINE1)->MoveWindow(rcClient.right - 3, 0, 
		2, rcClient.Height());
	GetDlgItem(IDC_TOOLBAR_LINE1)->Invalidate();

	pItem = GetDlgItem(IDC_LABEL_NO_PLC);
	pItem->GetClientRect(&rcItem);
	pItem->MoveWindow((rcClient.Width() - rcItem.Width()) / 2, (rcClient.Height() - rcItem.Height()) / 2,
		rcItem.Width(), rcItem.Height());
}

LRESULT CPagePlcList::OnTreeClickItem(WPARAM wParam, LPARAM lParam)
{
	HTREEITEM hItem = (HTREEITEM)wParam;
	ASSERT(hItem);
	CPLC* pPlc = (CPLC*)m_treeCtrl.GetItemData(hItem);
	ASSERT(pPlc);
	theApp.m_model.notifyPtr(RX_CODE_SELECT_PLC, pPlc);

	return 0;
}

void CPagePlcList::ReadPLCList()
{
	HTREEITEM hItemFirst = nullptr;
	std::map<std::string, CPLC*>& plcs = theApp.m_model.getPlcMap();
	for (auto item : plcs) {
		HTREEITEM hItem = m_treeCtrl.InsertItem(item.second->getName().c_str(), nullptr, nullptr);
		m_treeCtrl.SetItemData(hItem, (DWORD_PTR)item.second);
		m_treeCtrl.SetItemBadge(hItem, TREE_BADGE_BACKGROUND, TREE_BADGE_FOREGROUND);
		if (item.second->isConnected()) {
			m_treeCtrl.ShowItemBadgeDotMode(hItem);
		}
		if (hItemFirst == nullptr) {
			hItemFirst = hItem;
		}
	}
	if (!plcs.empty()) {
		m_treeCtrl.ShowWindow(SW_SHOW);
		GetDlgItem(IDC_LABEL_NO_PLC)->ShowWindow(SW_HIDE);
	}

	if (hItemFirst != nullptr) {
		m_treeCtrl.SelectItem(hItemFirst);
		CPLC* pPlc = (CPLC*)m_treeCtrl.GetItemData(hItemFirst);
		theApp.m_model.notifyPtr(RX_CODE_SELECT_PLC, pPlc);
	}
}

BOOL CPagePlcList::PreTranslateMessage(MSG* pMsg)
{
	if (pMsg->wParam == VK_RETURN || pMsg->wParam == VK_ESCAPE) {
		return TRUE;
	}

	return CDialogEx::PreTranslateMessage(pMsg);
}

HTREEITEM CPagePlcList::FindItem(CPLC* pPlc)
{
	HTREEITEM item = m_treeCtrl.GetChildItem(nullptr);
	while (item != nullptr) {
		if (m_treeCtrl.GetItemData(item) == (DWORD_PTR)pPlc) {
			return item;
		}

		item = m_treeCtrl.GetNextItem(item, TVGN_NEXT);
	}

	return nullptr;
}

void CPagePlcList::OnTimer(UINT_PTR nIDEvent)
{
	// TODO: ÔÚ´ËÌí¼ÓÏûÏ¢´¦Àí³ÌÐò´úÂëºÍ/»òµ÷ÓÃĬÈÏÖµ
	if (ID_TIMER_INIT == nIDEvent) {
		KillTimer(ID_TIMER_INIT);
		ReadPLCList();
	}

	CDialogEx::OnTimer(nIDEvent);
}