ebookview.cpp

EBook2000源码

// EBookView.cpp : implementation of the CEBookView class
//

#include "stdafx.h"
#include "EBook.h"

#include "EBookSet.h"
#include "EBookDoc.h"
#include "EBookView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CEBookView

IMPLEMENT_DYNCREATE(CEBookView, CDaoRecordView)

BEGIN_MESSAGE_MAP(CEBookView, CDaoRecordView)
	//{{AFX_MSG_MAP(CEBookView)
	ON_WM_SIZE()
	ON_COMMAND(ID_RECORD_ADD, OnRecordAdd)
	ON_COMMAND(ID_RECORD_ADD_SUB, OnRecordAddSub)
	ON_COMMAND(ID_RECORD_EDIT, OnRecordEdit)
	ON_COMMAND(ID_REDORD_DELETE, OnRedordDelete)
	ON_NOTIFY(NM_RCLICK, IDC_TREE, OnRclickTree)
	ON_NOTIFY(TVN_ENDLABELEDIT, IDC_TREE, OnEndlabeleditTree)
	ON_NOTIFY(TVN_SELCHANGED, IDC_TREE, OnSelchangedTree)
	ON_COMMAND(ID_LEFTMARGIN_INCREASE, OnLeftmarginIncrease)
	ON_COMMAND(ID_LEFTMARGIN_DECREASE, OnLeftmarginDecrease)
	ON_COMMAND(ID_ASIZEINCREASE, OnAsizeincrease)
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_NOTIFY(NM_CLICK, IDC_TREE, OnClickTree)
	ON_EN_CHANGE(IDC_CONTENT, OnChangeContent)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEBookView construction/destruction

CEBookView::CEBookView()
	: CDaoRecordView(CEBookView::IDD)
{
	//{{AFX_DATA_INIT(CEBookView)
	m_pSet = NULL;
	m_Content = _T("");
	//}}AFX_DATA_INIT
	// TODO: add construction code here
	m_tree=NULL;
	m_edit=NULL;
    IsEditing=FALSE;//Is tree item editing?
	m_bAdding=FALSE; //No new item add to tree
	IsDataOpen=FALSE; //m_pSet can not use now
	m_treeWidth=100; //tree list width
	TempWidth=100;
	b_IsDraging=FALSE; //is drag?
}

CEBookView::~CEBookView()
{
}

void CEBookView::DoDataExchange(CDataExchange* pDX)
{
	CDaoRecordView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEBookView)
	DDX_Text(pDX, IDC_CONTENT, m_Content);
	//}}AFX_DATA_MAP
}

BOOL CEBookView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CDaoRecordView::PreCreateWindow(cs);
}

void CEBookView::OnInitialUpdate()
{
	m_pSet = &GetDocument()->m_eBookSet;
	CDaoRecordView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
//	ResizeParentToFit();

    m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
    m_pSet->MoveFirst();
	CString s;
    
	HTREEITEM hInsertAfter;
	if(m_tree)
	{
		hNewParent=TVI_ROOT;
	   	s=m_pSet->m_title ;
		hInsertAfter=TVI_FIRST;
		hRoot=AddTreeItem(s,hNewParent,hInsertAfter);
        m_treelist.AddItem (hRoot,m_pSet->m_BookID);
	}
	m_pSet->MoveNext();
	while(!m_pSet->IsEOF())
	{
	 hNewParent=m_treelist.FindItem (m_pSet->m_ParentID );
     if(hNewParent) 
	 {
		 s=m_pSet->m_title;
		 hInsertAfter=AddTreeItem(s,hNewParent,TVI_LAST);
		 m_treelist.AddItem (hInsertAfter,m_pSet->m_BookID );
	 }
	 m_pSet->MoveNext();
  }
	m_pSet->MoveFirst ();
	m_Content=m_pSet->m_Content ;
	UpdateData(FALSE);
	IsDataOpen=TRUE;
}
/////////////////////////////////////////////////////////////////////////////
// CEBookView diagnostics

#ifdef _DEBUG
void CEBookView::AssertValid() const
{
	CDaoRecordView::AssertValid();
}

void CEBookView::Dump(CDumpContext& dc) const
{
	CDaoRecordView::Dump(dc);
}

CEBookDoc* CEBookView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CEBookDoc)));
	return (CEBookDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CEBookView database support
CDaoRecordset* CEBookView::OnGetRecordset()
{
	return m_pSet;
}


/////////////////////////////////////////////////////////////////////////////
// CEBookView message handlers

void CEBookView::OnSize(UINT nType, int cx, int cy) 
{
	CDaoRecordView::OnSize(nType, cx, cy);
	
	// TODO: Add your message handler code here
	m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
	m_edit=(CEdit*)GetDlgItem(IDC_CONTENT);
	if((m_tree!=NULL)&(m_edit!=NULL))
	{
	RECT rect;
    GetParent()->GetClientRect(&rect);
	ShowWindow(SW_NORMAL);
	rect.top+=20;
	rect.bottom -=18;
	MoveWindow(&rect);
	rect.top-=20;
	m_tree->ShowWindow(SW_NORMAL);
	m_tree->MoveWindow (rect.left ,rect.top ,rect.left+m_treeWidth-2 ,rect.bottom-25 );
    m_edit->ShowWindow(SW_NORMAL);
	m_edit->MoveWindow (rect.left+m_treeWidth+3,rect.top ,rect.right-rect.left-m_treeWidth-5,rect.bottom-rect.top-25 );	
	}
}

void CEBookView::OnRecordAdd() 
{
	// TODO: Add your command handler code here
	CString s;

	HTREEITEM hInsertAfter;
	m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
	if(m_tree->GetCount()<=0)
	{
		hNewParent=TVI_ROOT;
		s="EBook2000";
		hInsertAfter=TVI_FIRST;
		hRoot=AddTreeItem(s,hNewParent,hInsertAfter);
		return;
	}
	else if(m_tree->GetCount()==1)
	{
        hInsertAfter=TVI_LAST;
		hNewParent=hRoot;
	}
	else{
		hNewParent=m_tree->GetSelectedItem ();
		if(!hNewParent)
		{
			MessageBox("请选定加入标题的位置!");
			return;
		}
		if(hNewParent!=hRoot)
		{
		hNewParent=m_tree->GetParentItem(hNewParent);
		hInsertAfter=TVI_LAST;
     	}
	}
    s="新标题";
    hNewItem=AddTreeItem(s,hNewParent,hInsertAfter);
	CEdit *edit=(CEdit*)GetDlgItem(IDC_CONTENT);
	edit->SetWindowText("");
    // m_tree->GetEditControl 
//	m_tree->SetFocus (); 
	 m_tree->EnsureVisible(hNewItem); 
     m_bAdding=TRUE;
	 m_tree->SelectItem (hNewItem);
      m_tree->EditLabel (hNewItem);
	  
	  
}

HTREEITEM CEBookView::AddTreeItem(CString s, HTREEITEM hParent, HTREEITEM hInsertAfter)
{
 TV_ITEM tvItem; 
	 int Length;
     Length=s.GetLength ();
	 char *ch;
		 ch=new char[Length+1];
    	 for(int i=0;i<Length;i++)
		     ch[i]=s.GetAt (i);
	      ch[i]='\0';
		  
     tvItem.mask=TVIF_TEXT;
	 tvItem.pszText=ch;
	 tvItem.cchTextMax = Length;
     TV_INSERTSTRUCT tvInsert;
	 tvInsert.hParent = hParent;
	 tvInsert.hInsertAfter=hInsertAfter;
	 tvInsert.item =tvItem;
    	HTREEITEM h= m_tree->InsertItem(&tvInsert);
	delete ch;
	return h;
	}

void CEBookView::OnRecordAddSub() 
{
	// TODO: Add your command handler code here
     CString s;
 	HTREEITEM hInsertAfter;
	m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
	if(m_tree->GetCount()<=0)
	{
		hNewParent=TVI_ROOT;
		s="EBook";
		hInsertAfter=TVI_FIRST;
		hRoot=AddTreeItem(s,hNewParent,hInsertAfter);
		return;
	}
	else if(m_tree->GetCount()==1)
	{
        hInsertAfter=TVI_LAST;
		hNewParent=hRoot;
	}
	else{
		hNewParent=m_tree->GetSelectedItem();
		if(!hNewParent)
		{
			MessageBox("请选定加入标题的位置!");
			return;
		}
		
	   	hInsertAfter=TVI_LAST;
     	}
    s="新标题";
    hNewItem=AddTreeItem(s,hNewParent,hInsertAfter);
    m_bAdding=TRUE;
	CEdit *edit=(CEdit*)GetDlgItem(IDC_CONTENT);
    edit->SetWindowText("");
    m_tree->EnsureVisible(hNewItem); 
    m_tree->SelectItem (hNewItem);
	m_tree->EditLabel (hNewItem);
	
//	m_tree->SetFocus();
}

void CEBookView::OnRecordEdit() 
{
	// TODO: Add your command handler code here
   m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
   m_EditItem=m_tree->GetSelectedItem();
   if(m_EditItem==hRoot)return;
   if(m_EditItem)
   {
	   m_tree->EditLabel (m_EditItem);
	   IsEditing=TRUE;
   }
}

void CEBookView::OnRedordDelete() 
{
	// TODO: Add your command handler code here
	 m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
     HTREEITEM hDeleteItem, hItem; //delete and it's parent item
     m_tree->SetFocus ();
	 hDeleteItem=m_tree->GetSelectedItem();
     if(hDeleteItem==hRoot)return; //roo titem can not be deleted
     if(hDeleteItem)
	 {
	   if(m_tree->ItemHasChildren (hDeleteItem))
	   { MessageBox("请先删除子标题!");
	      return;
	   }  
		
		 hItem=m_tree->GetParentItem(hDeleteItem);
	if(	m_tree->DeleteItem (hDeleteItem)) 
		 //hItem=m_tree->GetSelectedItem ();
	if(DeleteItemFromDataBase(hDeleteItem)) //delete item from database and tree list
	     //delete item from tree
		 // find item ID from tree list
	{
		 LONG ID;
		 ID=m_treelist.FindID(hItem);
		 //find item in data base
          m_pSet->MoveFirst();
  	    while(!m_pSet->IsEOF()) //search item from data base
		{
			if(m_pSet->m_BookID==ID)
			    break;
			   m_pSet->MoveNext();
		}
		 m_Content=m_pSet->m_Content;
		 UpdateData(FALSE);
         m_tree->SelectItem(hItem); 
	 }
	 }
}

void CEBookView::OnRclickTree(NMHDR* pNMHDR, LRESULT* pResult) 
{
	// TODO: Add your control notification handler code here
	
	*pResult = 0;
	HTREEITEM hItem;
    m_tree=(CTreeCtrl*)GetDlgItem(IDC_TREE);
	hItem=m_tree->GetSelectedItem();
	if(hItem==NULL)return;