formitemstring.cpp

基于WINDOWS mobile 的用于创建一个窗体和自定义试图的工程

// FormItemString.cpp: implementation of the CFormItemString class.
//
//////////////////////////////////////////////////////////////////////


#include "stdafx.h"
#include "FormItemString.h"
#include "FormListCtrl.h"


#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////


CFormItemString::CFormItemString()
{

}


CFormItemString::~CFormItemString()
{
}


// CFormItemString::RenderData
//
//		Data rendering for strings
//
LPCTSTR CFormItemString::RenderData(LV_DISPINFO *pDispInfo)
{
	LPCTSTR	pszData = _T("");
	int		iSubItem;

	if(!pDispInfo)		// If pointer is NULL
		iSubItem = 1;	// Assume rendering data
	else
		iSubItem = pDispInfo->item.iSubItem;

	if(iSubItem == 1)
	{
		//
		// Render the data
		//
		pszData = m_strVal;
	}
	else
	{
		//
		// Render the caption
		//
		pszData = CFormItem::RenderData(pDispInfo);
	}

	return pszData;
}


// CFormItemString::ValidateData
//
//		Validates the string data
//
BOOL CFormItemString::ValidateData()
{
	BOOL	bOk = TRUE;

	if(IsMandatory())
		bOk = !m_strVal.IsEmpty();

	return bOk;
}


void CFormItemString::GetControlData()
{
	if(IsWindow(m_wndEdit))
		m_wndEdit.GetWindowText(m_strVal);
}


// CFormItemString::ShowEditor
//
//		Displays the edit control
//
BOOL CFormItemString::ShowEditor(CFormListCtrl* pForm, BOOL bShow, int iItem, int iSubItem)
{
	BOOL	bOk = FALSE;

	ASSERT(pForm);

	if(bShow)
	{
		RECT	rc;

		// Check if the window is created
		if(IsWindow(m_wndEdit))
			return FALSE;

		if(pForm->GetSubItemRect(iItem, 1, rc))
		{
			DWORD	dwStyle = WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL | ES_LEFT;

			//
			// Create the edit control
			//
			rc.left += 6;
			rc.top++;
			rc.bottom--;
			if(m_wndEdit.Create(dwStyle, rc, pForm, IDC_FORM_ITEM))
			{
				//
				// Setup the edit control
				//
				m_wndEdit.SetWindowText(m_strVal);
				m_wndEdit.SetFont(pForm->GetContentFont());
				m_wndEdit.SetFocus();
				m_wndEdit.SetSel(0, -1);

				SHSipPreference(*pForm, SIP_UP);
				bOk = TRUE;
			}
		}
	}
	else
	{
		if(IsWindow(m_wndEdit))
		{
			m_wndEdit.GetWindowText(m_strVal);
			SHSipPreference(*pForm, SIP_DOWN);

			m_wndEdit.DestroyWindow();
			bOk = TRUE;
		}
	}
	return bOk;
}


// CFormItemString::Select
//
//		Overriden selection method
//		When a string item is selected it immediately shows the editor control
//
BOOL CFormItemString::Select(CFormListCtrl *pForm, BOOL bSelect, int iItem)
{
	BOOL	bOk;

	// Call base class
	//CFormItem::Select(pForm, bSelect, iItem);

	if(bSelect)
		pForm->SetEditIndex(iItem);
	bOk = ShowEditor(pForm, bSelect, iItem, 1);
	if(bOk)
		pForm->RedrawItems(iItem, iItem);
	return bOk;
}


// CFormItemString::MoveEditor
//
//		Move the editor to the new rect
//
void CFormItemString::MoveEditor(const RECT &rcItem)
{
	if(IsWindow(m_wndEdit))
	{
		CRect	rc(rcItem);

		rc.left += 6;
		rc.top++;
		rc.bottom--;
		m_wndEdit.MoveWindow(&rc, FALSE);
	}
}


// CFormItemString::OnCmdMsg
//
//		Handles editor command messages
//
BOOL CFormItemString::OnCmdMsg(UINT nID, int nCode, void *pExtra, AFX_CMDHANDLERINFO *pHandlerInfo)
{
	if(IsWindow(m_wndEdit))
		return m_wndEdit.OnCmdMsg(nID, nCode, pExtra, pHandlerInfo);
	return FALSE;
}