adddate.cpp

地理信息系统ArcEngine二次开发

#include "stdafx.h"
#include "ControlCommands.h"
#include "AddDate.h"

// Font descriptor used to create the IFont object
static FONTDESC s_fontDesc =
  { sizeof(FONTDESC), OLESTR("Arial"), FONTSIZE(25), FW_BOLD, 
     DEFAULT_CHARSET, FALSE, FALSE, FALSE };

HRESULT AddDateTool::FinalConstruct()
{
  // Create the button bitmap 
  m_hBitmap = ::LoadBitmap(_Module.m_hInst, MAKEINTRESOURCE(IDB_DATE));

  // Create the custom font 
  ::OleCreateFontIndirect(&s_fontDesc, IID_IFont, (void**)&m_ipFont);

  return m_ipHookHelper.CreateInstance(CLSID_HookHelper);
}

void AddDateTool::FinalRelease()
{
  ::DeleteObject(m_hBitmap);
}

/////////////////////////////////////////////////////////////////////////////
// ICommand

STDMETHODIMP AddDateTool::get_Enabled(VARIANT_BOOL *Enabled)
{
	if (Enabled == NULL)
		return E_POINTER;

  IActiveViewPtr ipActiveView;
  m_ipHookHelper->get_ActiveView(&ipActiveView);
  *Enabled = (ipActiveView != 0) ? VARIANT_TRUE : VARIANT_FALSE;

	return S_OK;
}

STDMETHODIMP AddDateTool::get_Checked(VARIANT_BOOL *Checked)
{
	if (Checked == NULL)
		return E_POINTER;

  *Checked = VARIANT_FALSE;
		
	return S_OK;
}

STDMETHODIMP AddDateTool::get_Name(BSTR *Name)
{
	if (Name == NULL)
		return E_POINTER;
		
	// Get the bstr from the string table
  CComBSTR bstrTooltip;
  bstrTooltip.LoadString(IDS_NAME);  
  *Name = bstrTooltip.Detach();
  
  return S_OK;
}
STDMETHODIMP AddDateTool::get_Caption(BSTR *Caption)
{
	if (Caption == NULL)
		return E_POINTER;
		
	// Get the bstr from the string table
  CComBSTR bstrTooltip;
  bstrTooltip.LoadString(IDS_CAPTION);  
  *Caption = bstrTooltip.Detach();
  
  return S_OK;
}

STDMETHODIMP AddDateTool::get_Tooltip(BSTR *Tooltip)
{
	if (Tooltip == NULL)
		return E_POINTER;
		
	// Get the bstr from the string table
  CComBSTR bstrTooltip;
  bstrTooltip.LoadString(IDS_TOOLTIP);  
  *Tooltip = bstrTooltip.Detach();
  
  return S_OK;
}

STDMETHODIMP AddDateTool::get_Message(BSTR *Message)
{
	if (Message == NULL)
		return E_POINTER;
		
	// Get the bstr from the string table
  CComBSTR bstrTooltip;
  bstrTooltip.LoadString(IDS_MESSAGE);  
  *Message = bstrTooltip.Detach();
  
  return S_OK;
}

STDMETHODIMP AddDateTool::get_HelpFile(BSTR *HelpFile)
{
	// Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::get_HelpContextID(LONG *helpID)
{
	// Not implemented	
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::get_Bitmap(OLE_HANDLE *Bitmap)
{
	if (Bitmap == NULL)
		return E_POINTER;
		
	if (m_hBitmap == 0)
    return E_NOTIMPL;

  *Bitmap = (OLE_HANDLE) m_hBitmap;
  
  return S_OK;
}

STDMETHODIMP AddDateTool::get_Category(BSTR *categoryName)
{
	if (categoryName == NULL)
		return E_POINTER;
		
	// Get the bstr from the string table
  CComBSTR bstrTooltip;
  bstrTooltip.LoadString(IDS_CATEGORY);  
  *categoryName = bstrTooltip.Detach();
  
  return S_OK;
}

STDMETHODIMP AddDateTool::OnCreate(IDispatch *hook)
{
	return m_ipHookHelper->putref_Hook(hook);
}

STDMETHODIMP AddDateTool::OnClick()
{
  // Not implemented
	return E_NOTIMPL;
}

/////////////////////////////////////////////////////////////////////////////
// ITool

STDMETHODIMP AddDateTool::get_Cursor(OLE_HANDLE * Cursor)
{
	if (Cursor == NULL)
		return E_POINTER;
		
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::OnMouseDown(LONG button, LONG shift, LONG x, LONG y)
{
  // Get the active view
  IActiveViewPtr ipActiveView;
  HRESULT hr = m_ipHookHelper->get_ActiveView(&ipActiveView);
  if (FAILED(hr)) return hr;
  
  // Create a new text element
  ITextElementPtr ipTextElement(CLSID_TextElement);
  // Create a text symbol
  ITextSymbolPtr ipTextSymbol(CLSID_TextSymbol); 

  // Set the symbol properties
  ipTextSymbol->put_Font(m_ipFont); 
  ipTextElement->put_Symbol(ipTextSymbol);
  // Set the current date into the text element
  SYSTEMTIME SystemTime;
  GetLocalTime(&SystemTime);
  TCHAR tDate[256];
  GetDateFormat(LOCALE_USER_DEFAULT, LOCALE_NOUSEROVERRIDE, &SystemTime, 0, tDate, 256);
  CComBSTR bstrDate(tDate);
  ipTextElement->put_Text(bstrDate);

  // Create a page point
  IScreenDisplayPtr ipScreenDisplay;
  ipActiveView->get_ScreenDisplay(&ipScreenDisplay);
  IDisplayTransformationPtr ipDisplayTransformation;
  ipScreenDisplay->get_DisplayTransformation(&ipDisplayTransformation);
  IPointPtr ipPoint;
  ipDisplayTransformation->ToMapPoint(x, y, &ipPoint);
   
  // QI for IElement and set its geometry
  IElementPtr ipElement = ipTextElement;
  ipElement->put_Geometry(ipPoint);
    
  // Add the element to the graphics container
  IGraphicsContainerPtr ipGraphicsContainer;
  ipActiveView->get_GraphicsContainer(&ipGraphicsContainer);
  ipGraphicsContainer->AddElement(ipElement, 0);

  // Refresh the graphics
  ipActiveView->PartialRefresh(esriViewGraphics, 0, 0);

	return S_OK;
}

STDMETHODIMP AddDateTool::OnMouseMove(LONG button, LONG shift, LONG x, LONG y)
{
  // Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::OnMouseUp(LONG button, LONG shift, LONG x, LONG y)
{
  // Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::OnDblClick()
{
  // Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::OnKeyDown(LONG keyCode, LONG shift)
{
  // Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::OnKeyUp(LONG keyCode, LONG shift)
{
  // Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::OnContextMenu(LONG x, LONG y, VARIANT_BOOL *handled)
{
	// Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::Refresh(OLE_HANDLE hdc)
{
  // Not implemented
	return E_NOTIMPL;
}

STDMETHODIMP AddDateTool::Deactivate(VARIANT_BOOL *complete)
{
	if (complete == NULL)
		return E_POINTER;
	
  *complete = VARIANT_TRUE;

	return S_OK;
}