// MyTreeView.cpp : implementation file
//
#include "stdafx.h"
#include "XMLExplorer.h"
#include "MyTreeView.h"
#include "CXMLExplorerDocument.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/*
** Image Identifier to What It Is to Item Data mappings
**
** IMAGE ID | WHAT IT IS | GetItemData() returns
** -----------------------------+----------------------------+------------------------------------
** IMAGE_ROOT | IT_IS_THE_ROOT |
** IMAGE_TILE_2 | IT_IS_AN_XML_DOCUMENT | CExtensibleMarkupLanguageDocument *
** IMAGE_TILE_3 | IT_IS_AN_ELEMENT | CExtensibleMarkupLanguageElement *
** IMAGE_PROCESSING_INSTRUCTION | IT_IS_AN_ELEMENT | CExtensibleMarkupLanguageElement *
** IMAGE_TEXT_SEGMENT | IT_IS_AN_ELEMENT | CExtensibleMarkupLanguageElement *
** IMAGE_LIST_OF_ENTITIES | IT_IS_AN_ELEMENT | CExtensibleMarkupLanguageDocument *
** IMAGE_ENTITY | IT_IS_AN_ELEMENT | CExtensibleMarkupLanguageElement *
** IMAGE_ATTRIBUTES | IT_IS_A_LIST_OF_ATTRIBUTES | CExtensibleMarkupLanguageElement *
** IMAGE_ATTRIBUTE | IT_IS_AN_AN_ATTRIBUTE | CExtensibleMarkupLanguageAttribute *
** IMAGE_META_DATA | IT_IS_AN_ELEMENT | CExtensibleMarkupLanguageElement *
*/
/////////////////////////////////////////////////////////////////////////////
// CMyTreeView
IMPLEMENT_DYNCREATE(CMyTreeView, CTreeView)
CMyTreeView::CMyTreeView()
{
WFCTRACEINIT( TEXT( "CMyTreeView::CMyTreeView()" ) );
}
CMyTreeView::~CMyTreeView()
{
WFCTRACEINIT( TEXT( "CMyTreeView::~CMyTreeView()" ) );
}
BEGIN_MESSAGE_MAP(CMyTreeView, CTreeView)
//{{AFX_MSG_MAP(CMyTreeView)
ON_WM_CREATE()
ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelectionChanged)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyTreeView drawing
void CMyTreeView::OnDraw(CDC* /* pDC */ )
{
//CDocument* pDoc = GetDocument();
// TODO: add draw code here
}
/////////////////////////////////////////////////////////////////////////////
// CMyTreeView diagnostics
#ifdef _DEBUG
void CMyTreeView::AssertValid() const
{
CTreeView::AssertValid();
}
void CMyTreeView::Dump(CDumpContext& dc) const
{
CTreeView::Dump(dc);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CMyTreeView message handlers
int CMyTreeView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
lpCreateStruct->style |= ( TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT );
if ( CTreeView::OnCreate( lpCreateStruct ) == (-1) )
{
return( -1 );
}
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
ASSERT( document_p != NULL );
document_p->TreeView = this;
ImageList.Create( IDB_IMAGELIST, 16, 0, RGB( 255, 0, 255 ) );
ImageList.SetBkColor( GetSysColor( COLOR_WINDOW ) );
CTreeCtrl& tree_control = GetTreeCtrl();
tree_control.SetImageList( &ImageList, TVSIL_NORMAL );
UpdateWindow();
RootItem = tree_control.InsertItem( TEXT( "XML Parser" ), IMAGE_ROOT, IMAGE_ROOT );
return( 0 );
}
void CMyTreeView::DeleteChildren( HTREEITEM parent_item )
{
CTreeCtrl& tree_control = GetTreeCtrl();
HTREEITEM child_item = (HTREEITEM) NULL;
child_item = tree_control.GetChildItem( parent_item );
while( child_item != NULL )
{
tree_control.DeleteItem( child_item );
child_item = tree_control.GetChildItem( parent_item );
}
}
DWORD CMyTreeView::ImageToWhatItIs( DWORD image_id ) const
{
WFCTRACEINIT( TEXT( "CMyTreeView::ImageToWhatItIs()" ) );
switch( image_id )
{
case IMAGE_ROOT:
WFCTRACE( TEXT( "IT_IS_THE_ROOT" ) );
return( IT_IS_THE_ROOT );
case IMAGE_TILE_2:
WFCTRACE( TEXT( "IT_IS_AN_XML_DOCUMENT" ) );
return( IT_IS_AN_XML_DOCUMENT );
case IMAGE_TILE_3:
case IMAGE_PROCESSING_INSTRUCTION:
case IMAGE_TEXT_SEGMENT:
case IMAGE_META_DATA:
WFCTRACE( TEXT( "IT_IS_AN_ELEMENT" ) );
return( IT_IS_AN_ELEMENT );
case IMAGE_ATTRIBUTE:
WFCTRACE( TEXT( "IT_IS_AN_ATTRIBUTE" ) );
return( IT_IS_AN_ATTRIBUTE );
case IMAGE_ATTRIBUTES:
WFCTRACE( TEXT( "IT_IS_A_LIST_OF_ATTRIBUTES" ) );
return( IT_IS_A_LIST_OF_ATTRIBUTES );
case IMAGE_LIST_OF_ENTITIES:
WFCTRACE( TEXT( "IT_IS_AN_ENTITY" ) );
return( IT_IS_AN_ENTITY );
default:
return( 0 );
}
}
void CMyTreeView::Populate( CExtensibleMarkupLanguageDocument * xml_p )
{
// Start with an empty tree
DeleteChildren( RootItem );
if ( xml_p == NULL )
{
return;
}
CTreeCtrl& tree_control = GetTreeCtrl();
HTREEITEM document_item;
CDocument * document_p = GetDocument();
document_item = tree_control.InsertItem( document_p->GetPathName(), IMAGE_TILE_2, IMAGE_TILE_2, RootItem );
tree_control.SetItemData( document_item, (DWORD) xml_p );
// Add the entities
AddEntities( tree_control, document_item, xml_p );
CExtensibleMarkupLanguageElement * element_p = xml_p->GetRootElement();
AddElement( tree_control, document_item, element_p );
}
void CMyTreeView::AddEntities( CTreeCtrl& tree_control, HTREEITEM parent_item, CExtensibleMarkupLanguageDocument * xml_p )
{
const CExtensibleMarkupLanguageEntities& entities = xml_p->GetEntities();
HTREEITEM entities_item = tree_control.InsertItem( TEXT( "Entities" ), IMAGE_LIST_OF_ENTITIES, IMAGE_LIST_OF_ENTITIES, parent_item );
tree_control.SetItemData( entities_item, (DWORD) xml_p );
DWORD enumerator = 0;
if ( entities.Enumerate( enumerator ) == TRUE )
{
CString entity;
CString value;
while( entities.GetNext( enumerator, entity, value ) == TRUE )
{
tree_control.InsertItem( entity, IMAGE_ENTITY, IMAGE_ENTITY, entities_item );
}
}
}
void CMyTreeView::AddAttributes( CTreeCtrl& tree_control, HTREEITEM parent_item, CExtensibleMarkupLanguageElement * element_p )
{
if ( element_p->GetNumberOfAttributes() == 0 )
{
return;
}
HTREEITEM attributes_item = tree_control.InsertItem( TEXT( "Attributes" ), IMAGE_ATTRIBUTES, IMAGE_ATTRIBUTES, parent_item );
tree_control.SetItemData( attributes_item, (DWORD) element_p );
DWORD enumerator = 0;
if ( element_p->EnumerateAttributes( enumerator ) == TRUE )
{
CExtensibleMarkupLanguageAttribute * attribute_p = NULL;
HTREEITEM attribute_item = NULL;
while( element_p->GetNextAttribute( enumerator, attribute_p ) != FALSE )
{
attribute_item = tree_control.InsertItem( attribute_p->Name, IMAGE_ATTRIBUTE, IMAGE_ATTRIBUTE, attributes_item );
tree_control.SetItemData( attribute_item, (DWORD) attribute_p );
}
}
}
void CMyTreeView::AddElement( CTreeCtrl& tree_control, HTREEITEM parent_item, CExtensibleMarkupLanguageElement * element_p )
{
WFCTRACEINIT( TEXT( "CMyTreeView::AddElement()" ) );
if ( element_p == NULL )
{
return;
}
HTREEITEM element_item;
CString name;
element_p->GetTag( name );
if ( element_p->GetType() == CExtensibleMarkupLanguageElement::typeProcessingInstruction )
{
element_p->GetContents( name );
element_item = tree_control.InsertItem( name, IMAGE_PROCESSING_INSTRUCTION, IMAGE_PROCESSING_INSTRUCTION, parent_item );
}
else if ( element_p->GetType() == CExtensibleMarkupLanguageElement::typeTextSegment )
{
if ( element_p->IsAllWhiteSpace() == FALSE )
{
element_p->GetContents( name );
}
element_item = tree_control.InsertItem( name, IMAGE_TEXT_SEGMENT, IMAGE_TEXT_SEGMENT, parent_item );
}
else if ( element_p->GetType() == CExtensibleMarkupLanguageElement::typeMetaData )
{
element_item = tree_control.InsertItem( name, IMAGE_META_DATA, IMAGE_META_DATA, parent_item );
}
else
{
element_item = tree_control.InsertItem( name, IMAGE_TILE_3, IMAGE_TILE_3, parent_item );
}
tree_control.SetItemData( element_item, (DWORD) element_p );
// Now let's add any attributes
AddAttributes( tree_control, element_item, element_p );
DWORD enumerator = 0;
if ( element_p->EnumerateChildren( enumerator ) == TRUE )
{
CExtensibleMarkupLanguageElement * child_p = NULL;
while( element_p->GetNextChild( enumerator, child_p ) == TRUE )
{
// RECURSE RECURSE RECURSE!!!
AddElement( tree_control, element_item, child_p );
}
}
}
void CMyTreeView::OnSelectionChanged( NMHDR * header_p, LRESULT* pResult )
{
WFCTRACEINIT( TEXT( "CMyTreeView::OnSelectionChanged()" ) );
NM_TREEVIEW * tree_view_p = (NM_TREEVIEW*) header_p;
CTreeCtrl& tree_control = GetTreeCtrl();
int image_id = 0;
int unused = 0;
tree_control.GetItemImage( tree_view_p->itemNew.hItem, image_id, unused );
//ITEMHANDLE item_handle = pNMTreeView->itemNew;
DWORD what_it_is = ImageToWhatItIs( image_id );
switch( what_it_is )
{
case IT_IS_AN_XML_DOCUMENT:
{
CExtensibleMarkupLanguageDocument * xml_p = (CExtensibleMarkupLanguageDocument *) tree_control.GetItemData( tree_view_p->itemNew.hItem );
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
document_p->ShowDocument( xml_p );
}
break;
case IT_IS_AN_ELEMENT:
{
CExtensibleMarkupLanguageElement * element_p = (CExtensibleMarkupLanguageElement *) tree_control.GetItemData( tree_view_p->itemNew.hItem );
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
document_p->ShowElement( element_p );
}
break;
case IT_IS_AN_ATTRIBUTE:
{
CExtensibleMarkupLanguageAttribute * attribute_p = (CExtensibleMarkupLanguageAttribute *) tree_control.GetItemData( tree_view_p->itemNew.hItem );
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
document_p->ShowAttribute( attribute_p );
}
break;
case IT_IS_A_LIST_OF_ATTRIBUTES:
{
CExtensibleMarkupLanguageElement * element_p = (CExtensibleMarkupLanguageElement *) tree_control.GetItemData( tree_view_p->itemNew.hItem );
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
document_p->ShowListOfAttributes( element_p );
}
break;
case IT_IS_AN_ENTITY:
{
CExtensibleMarkupLanguageDocument * xml_p = (CExtensibleMarkupLanguageDocument *) tree_control.GetItemData( tree_view_p->itemNew.hItem );
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
document_p->ShowEntities( xml_p );
}
break;
default:
{
CXMLExplorerDocument * document_p = (CXMLExplorerDocument *) GetDocument();
document_p->ShowDefault();
}
break;
}
*pResult = 0;
}
BOOL CMyTreeView::OnCommand(WPARAM wParam, LPARAM lParam)
{
WFCTRACEINIT( TEXT( "CMyTreeView::OnCommand()" ) );
if ( wParam == 99782 )
{
Populate( (CExtensibleMarkupLanguageDocument *) lParam );
return( TRUE ); // I handled this message
}
return CTreeView::OnCommand(wParam, lParam);
}
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