747 lines
17 KiB
C++
747 lines
17 KiB
C++
// ConditionsView.cpp : implementation file
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//
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#include "stdafx.h"
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#include "logic_editor.h"
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#include "ConditionsView.h"
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#include "Logic_editorDoc.h"
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#include "MainFrm.h"
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#include "ChildFrm.h"
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#include "EditorFormView.h"
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#include "TMenu.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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#ifndef ID_MOVEASCHILD
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#define ID_MOVEASCHILD 32857
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#endif
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#ifndef ID_MOVEASSIBLING
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#define ID_MOVEASSIBLING 32858
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#endif
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#ifndef ID_COPYASSIBLING
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#define ID_COPYASSIBLING 32859
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#endif
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#ifndef ID_COPYASCHILD
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#define ID_COPYASCHILD 32860
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CConditionsView
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IMPLEMENT_DYNCREATE(CConditionsView, CTreeView)
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CConditionsView::CConditionsView()
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{
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}
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CConditionsView::~CConditionsView()
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{
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}
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BEGIN_MESSAGE_MAP(CConditionsView, CTreeView)
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//{{AFX_MSG_MAP(CConditionsView)
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ON_NOTIFY_REFLECT(TVN_SELCHANGED, OnSelchanged)
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ON_WM_KILLFOCUS()
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ON_NOTIFY_REFLECT(TVN_BEGINRDRAG, OnBeginrdrag)
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ON_WM_MOUSEMOVE()
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ON_WM_RBUTTONUP()
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//}}AFX_MSG_MAP
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ON_COMMAND(ID_MOVEASCHILD, OnMoveAsChild)
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ON_COMMAND(ID_MOVEASSIBLING, OnMoveAsSibling)
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ON_COMMAND(ID_COPYASCHILD, OnCopyAsChild)
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ON_COMMAND(ID_COPYASSIBLING, OnCopyAsSibling)
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END_MESSAGE_MAP()
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// Creating Drag Image for a CTreeCtrl without images
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// Contribution of Pål K Tønder on www.codeguru.com
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// The method CreateDragImage is used during drag'n drop to create a drag image. The problem is that it only works for a CTreeCtrl with images.
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// The following method, CreateDragImageEx, checks whether the CTreeCtrl has a valid normal CImageList. If so, it just calls the standard CreateDragImage method and returns.
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// If, on the other hand, no valid CImageList is found, a bitmap is created based on the size of item rect, and the item text is drawn into it. Then a CImageList is
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// created and the bitmap is added to it.
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CImageList* CConditionsView::CreateDragImageEx(HTREEITEM hItem)
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{
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CTreeCtrl & tree = GetTreeCtrl();
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if(tree.GetImageList(TVSIL_NORMAL) != NULL)
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return tree.CreateDragImage(hItem);
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CRect rect;
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tree.GetItemRect(hItem, rect, TRUE);
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rect.OffsetRect(-rect.left, -rect.top);
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// Create bitmap
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CClientDC dc (this);
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CDC memDC;
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if(!memDC.CreateCompatibleDC(&dc))
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return NULL;
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CBitmap bitmap;
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if(!bitmap.CreateCompatibleBitmap(&dc, rect.Width(), rect.Height()))
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return NULL;
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CBitmap* pOldMemDCBitmap = memDC.SelectObject( &bitmap );
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CFont* pOldFont = memDC.SelectObject(GetFont());
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memDC.FillSolidRect(&rect, RGB(0, 255, 0)); // Here green is used as mask color
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memDC.SetTextColor(GetSysColor(COLOR_GRAYTEXT));
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memDC.TextOut(rect.left, rect.top, tree.GetItemText(hItem));
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memDC.SelectObject( pOldFont );
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memDC.SelectObject( pOldMemDCBitmap );
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// Create imagelist
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CImageList* pImageList = new CImageList;
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pImageList->Create(rect.Width(), rect.Height(),
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ILC_COLOR | ILC_MASK, 0, 1);
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pImageList->Add(&bitmap, RGB(0, 255, 0)); // Here green is used as mask color
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return pImageList;
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}
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/////////////////////////////////////////////////////////////////////////////
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// CConditionsView drawing
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void CConditionsView::OnDraw(CDC* pDC)
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{
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CDocument* pDoc = GetDocument();
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// TODO: add draw code here
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}
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/////////////////////////////////////////////////////////////////////////////
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// CConditionsView diagnostics
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#ifdef _DEBUG
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void CConditionsView::AssertValid() const
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{
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CTreeView::AssertValid();
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}
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void CConditionsView::Dump(CDumpContext& dc) const
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{
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CTreeView::Dump(dc);
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}
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#endif //_DEBUG
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void CConditionsView::expand(UINT nCode, HTREEITEM hItem)
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{
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HTREEITEM hElement;
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HTreeItemArray pile;
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CTreeCtrl &m_tree = GetTreeCtrl();
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if (hItem == NULL)
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hElement = m_tree.GetRootItem();
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else
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{
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m_tree.Expand(hItem,nCode);
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hElement = m_tree.GetChildItem(hItem);
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}
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pile.RemoveAll();
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while ((hElement != NULL) || (pile.GetSize() != 0))
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{
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while ((hElement == NULL) && (pile.GetSize()!=0))
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{
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hElement = pile[pile.GetSize()-1];
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pile.RemoveAt(pile.GetSize()-1);
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hElement = m_tree.GetNextSiblingItem(hElement);
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}
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if (hElement)
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{
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pile.Add(hElement);
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m_tree.Expand(hElement,nCode);
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hElement = m_tree.GetChildItem(hElement);
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}
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}
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}
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HMENU CConditionsView::GetRDragMenu()
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{
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CMenu menu;
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menu.CreatePopupMenu();
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menu.AppendMenu( MF_STRING, ID_MOVEASCHILD, _T("Move As Child") );
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menu.AppendMenu( MF_STRING, ID_MOVEASSIBLING, _T("Move As Sibling") );
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menu.AppendMenu( MF_STRING, ID_COPYASCHILD, _T("Copy As Child") );
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menu.AppendMenu( MF_STRING, ID_COPYASSIBLING, _T("Copy As Sibling") );
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return menu.Detach();
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}
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/////////////////////////////////////////////////////////////////////////////
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// CConditionsView message handlers
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void CConditionsView::OnInitialUpdate()
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{
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CTreeView::OnInitialUpdate();
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m_pSelectedCondition = NULL;
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m_pDragCondition = NULL;
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m_pSelectedNode = NULL;
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m_pDragImage = NULL;
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m_hitemDrag = NULL;
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m_hitemDrop = NULL;
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m_bRDragging = FALSE;
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m_bRDragCanceled = FALSE;
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}
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void CConditionsView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
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{
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/** TO DO : REDRAW ONLY IF Some CONDITIONS have changed **/
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SetRedraw(FALSE);
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CTreeView::OnUpdate(pSender,lHint,pHint);
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BOOL bSelection = FALSE;
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// get a pointer on associated document
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CLogic_editorDoc *pDoc = static_cast<CLogic_editorDoc*>(GetDocument());
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ASSERT_VALID(pDoc);
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CTreeCtrl &m_tree = GetTreeCtrl();
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m_tree.DeleteAllItems();
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m_mapItemToNode.RemoveAll();
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TPositionList heap;
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HTREEITEM hItem = m_tree.InsertItem( "Conditions",0,0);
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// get the states map
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CCondition *pCondition;
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CString condName;
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POSITION pos = pDoc->m_conditions.GetStartPosition();
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while (pos != NULL)
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{
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pDoc->m_conditions.GetNextAssoc( pos, condName, (void*&)pCondition );
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hItem = m_tree.InsertItem( condName , m_tree.GetRootItem());
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//
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if ( m_pSelectedCondition == pCondition && m_pSelectedNode == NULL)
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{
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m_tree.SelectItem( hItem );
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bSelection = TRUE;
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}
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CConditionNode *pNode, *pNodeTemp;
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HTREEITEM parentHItem = hItem;
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POSITION nodePos = pCondition->m_ctConditionTree.GetHeadPosition();
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while (nodePos != NULL)
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{
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pNode = pCondition->m_ctConditionTree.GetNext( nodePos );
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if (pNode != NULL)
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{
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hItem = m_tree.InsertItem( pNode->getNodeAsString() , parentHItem);
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// memorize the association hItem/pNode in the map
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m_mapItemToNode.SetAt( hItem, pNode);
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if (m_pSelectedNode == pNode)
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{
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m_tree.SelectItem( hItem );
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bSelection = TRUE;
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}
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for (;;)
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{
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// get the deepest first level node in the sub tree
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POSITION subPos = pNode->m_ctSubTree.GetHeadPosition();
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while (subPos != NULL)
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{
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pNodeTemp = pNode->m_ctSubTree.GetNext(subPos);
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if (pNodeTemp != NULL)
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{
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pNode = pNodeTemp;
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hItem = m_tree.InsertItem( pNode->getNodeAsString() , hItem);
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m_mapItemToNode.SetAt( hItem, pNode);
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if (m_pSelectedNode == pNode)
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{
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m_tree.SelectItem( hItem );
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bSelection = TRUE;
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}
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// push the position
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heap.AddTail( subPos );
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subPos = pNode->m_ctSubTree.GetHeadPosition();
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}
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}
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// get sibling if any, if none, get next node
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do
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{
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pNode = pNode->getParentNode();
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hItem = m_tree.GetParentItem( hItem );
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// pop subPos
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if( heap.IsEmpty() )
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break;
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subPos = heap.GetTail();
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heap.RemoveTail();
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if (subPos != NULL)
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{
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pNodeTemp = pNode->m_ctSubTree.GetNext( subPos );
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if (pNodeTemp != NULL)
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{
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pNode = pNodeTemp;
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hItem = m_tree.InsertItem( pNode->getNodeAsString() , hItem);
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// memorize the association hItem/pNode in the map
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m_mapItemToNode.SetAt( hItem, pNode);
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if (m_pSelectedNode == pNode)
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{
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m_tree.SelectItem( hItem );
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bSelection = TRUE;
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}
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//push
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heap.AddTail( subPos );
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subPos = pNode->m_ctSubTree.GetHeadPosition();
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}
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else
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break;
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}
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} while (subPos == NULL);
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if (pNode == NULL)
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break;
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}
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}
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}
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}
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// expand all tree
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expand(/*TVE_EXPAND ,NULL*/ );
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if (!bSelection)
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{
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m_pSelectedNode = NULL;
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m_pSelectedCondition = NULL;
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}
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else
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{
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// assure the selected item is visible (if any)
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hItem = m_tree.GetSelectedItem();
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ASSERT (hItem != NULL);
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m_tree.EnsureVisible( hItem );
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}
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SetRedraw(/*TRUE*/);
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}
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BOOL CConditionsView::PreCreateWindow(CREATESTRUCT& cs)
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{
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// modify arborescence style
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cs.style |=(TVS_HASLINES|TVS_LINESATROOT|TVS_HASBUTTONS/*|TVS_EDITLABELS*/);
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// cs.style &= ~TVS_DISABLEDRAGDROP;
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return CTreeView::PreCreateWindow(cs);
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}
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void CConditionsView::OnSelchanged(NMHDR* pNMHDR, LRESULT* pResult)
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{
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NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
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//
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m_pSelectedCondition = NULL;
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m_pSelectedNode = NULL;
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// get the selected item and update the good frame (open the condition edition page in the form too)
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CTreeCtrl &treeCtrl = GetTreeCtrl();
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HTREEITEM hItem;
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hItem = treeCtrl.GetSelectedItem();
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//
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if (hItem == treeCtrl.GetRootItem())
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return;
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// get the node selected (if any)
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if ( ! m_mapItemToNode.Lookup(hItem, m_pSelectedNode) )
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m_pSelectedNode = NULL;
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// get the condition (if any)
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while ( treeCtrl.GetParentItem( hItem ) != treeCtrl.GetRootItem() )
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hItem = treeCtrl.GetParentItem( hItem );
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CString condName = treeCtrl.GetItemText( hItem );
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CLogic_editorDoc *pDoc = static_cast<CLogic_editorDoc *> (GetDocument());
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// to update the fields of the condition page in the form view
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CMainFrame *pFrame = (CMainFrame*)AfxGetApp()->m_pMainWnd;
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// Get the active MDI child window.
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CChildFrame *pChild = (CChildFrame *) pFrame->GetActiveFrame();
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CEditorFormView *pFormView = static_cast<CEditorFormView *> ( pChild->m_wndSplitter.GetPane(0,1) );
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CConditionPage *pCondPage = static_cast<CConditionPage*> ( pFormView->m_pPropertySheet->GetPage(2) );
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if ( pDoc->m_conditions.Lookup( condName, (void*&) m_pSelectedCondition) )
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{
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pFormView->m_pPropertySheet->SetActivePage( pCondPage );
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if ( pCondPage->m_pSelectedConditionNode != m_pSelectedNode || m_pSelectedNode == NULL)
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{
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pCondPage->m_pSelectedCondition = this->m_pSelectedCondition;
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pCondPage->m_pSelectedConditionNode = this->m_pSelectedNode;
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pCondPage->Update();
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}
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}
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else
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{
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if (pCondPage->m_pSelectedCondition != NULL)
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{
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pCondPage->m_pSelectedConditionNode = this->m_pSelectedNode; // = NULL
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pCondPage->m_pSelectedCondition = this->m_pSelectedCondition; // = NULL
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pCondPage->Update();
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}
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}
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this->SetFocus();
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//
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*pResult = 0;
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}
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void CConditionsView::OnKillFocus(CWnd* pNewWnd)
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{
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// keep the current selection, so do not call CTreeView::OnKillFocus()
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// CTreeView::OnKillFocus(pNewWnd);
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}
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void CConditionsView::OnBeginrdrag(NMHDR* pNMHDR, LRESULT* pResult)
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{
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NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
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*pResult = 0;
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CTreeCtrl &tree = GetTreeCtrl();
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CPoint ptAction;
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GetCursorPos(&ptAction);
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ScreenToClient(&ptAction);
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m_bRDragging = TRUE;
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m_bRDragCanceled = FALSE;
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m_hitemDrag = pNMTreeView->itemNew.hItem;
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m_hitemDrop = NULL;
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m_pDragImage = CreateDragImageEx(m_hitemDrag); // get the image list for dragging
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m_pDragImage->BeginDrag(0, CPoint(10,-15));
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tree.SelectDropTarget(NULL); // to prevent image corruption.
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m_pDragImage->DragEnter(NULL, ptAction);
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SetCapture();
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// get the drag condition
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HTREEITEM hItem = m_hitemDrag;
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//
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if (hItem == tree.GetRootItem())
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return;
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// get the condition (if any)
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while ( tree.GetParentItem( hItem ) != tree.GetRootItem() )
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hItem = tree.GetParentItem( hItem );
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CString condName = tree.GetItemText( hItem );
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CLogic_editorDoc *pDoc = static_cast<CLogic_editorDoc *> (GetDocument());
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pDoc->m_conditions.Lookup( condName, (void*&) m_pDragCondition);
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}
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void CConditionsView::OnMouseMove(UINT nFlags, CPoint point)
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{
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HTREEITEM hitem;
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UINT flags;
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CTreeCtrl &tree = GetTreeCtrl();
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if (m_bRDragging)
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{
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POINT pt = point;
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ClientToScreen( &pt );
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CImageList::DragMove(pt);
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if ((hitem = tree.HitTest(point, &flags)) != NULL)
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{
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CImageList::DragShowNolock(FALSE);
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tree.SelectDropTarget(hitem);
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m_hitemDrop = hitem;
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CImageList::DragShowNolock(TRUE);
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}
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}
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CTreeView::OnMouseMove(nFlags, point);
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}
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void CConditionsView::OnRButtonUp(UINT nFlags, CPoint point)
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{
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CTreeCtrl &tree = GetTreeCtrl();
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if (m_bRDragging)
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{
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m_bRDragging = FALSE;
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CImageList::DragLeave(this);
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CImageList::EndDrag();
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ReleaseCapture();
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delete m_pDragImage;
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if( m_hitemDrag == m_hitemDrop )
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return;
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CTMenu menu;
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menu.Attach( GetRDragMenu() );
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menu.AddMenuTitle( tree.GetItemText(m_hitemDrag) );
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// if the target is a condition and the dragged item is a node, do not allow '..as sibling' operations
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CConditionNode *pNode;
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if ( m_mapItemToNode.Lookup(m_hitemDrag, pNode) && ! m_mapItemToNode.Lookup(m_hitemDrop, pNode) )
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{
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menu.EnableMenuItem( ID_MOVEASSIBLING, MF_GRAYED );
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menu.EnableMenuItem( ID_COPYASSIBLING, MF_GRAYED );
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}
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if( menu == NULL ) return;
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ClientToScreen( &point );
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menu.TrackPopupMenu(TPM_LEFTALIGN | TPM_RIGHTBUTTON,
|
|
point.x, point.y,
|
|
this);
|
|
|
|
tree.SelectDropTarget(NULL);
|
|
}
|
|
else
|
|
CTreeView::OnRButtonUp(nFlags, point);
|
|
}
|
|
|
|
|
|
|
|
void CConditionsView::OnMoveAsChild()
|
|
{
|
|
CTreeCtrl &tree = GetTreeCtrl();
|
|
|
|
// Check that the dragged item is not an ancestor
|
|
HTREEITEM htiParent = m_hitemDrop;
|
|
while( (htiParent = tree.GetParentItem( htiParent )) != NULL )
|
|
{
|
|
if( htiParent == m_hitemDrag )
|
|
return;
|
|
}
|
|
|
|
CConditionNode* pTargetNode = NULL;
|
|
CCondition * pTargetCond = NULL;
|
|
|
|
CConditionNode *pDragNode;
|
|
// get the drag object
|
|
if ( m_mapItemToNode.Lookup( m_hitemDrag, pDragNode ) )
|
|
{
|
|
CConditionNode *pParentNode = pDragNode->getParentNode();
|
|
// parent is a node
|
|
if (pParentNode != NULL)
|
|
{
|
|
POSITION pos = pParentNode->m_ctSubTree.Find( pDragNode );
|
|
if (pos != NULL)
|
|
{
|
|
pParentNode->m_ctSubTree.RemoveAt( pos );
|
|
}
|
|
else
|
|
return;
|
|
}
|
|
// parent is a condition
|
|
else
|
|
{
|
|
POSITION pos = m_pDragCondition->m_ctConditionTree.Find( pDragNode );
|
|
if (pos != NULL)
|
|
{
|
|
m_pDragCondition->m_ctConditionTree.RemoveAt( pos );
|
|
}
|
|
else
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
return;
|
|
|
|
CLogic_editorDoc *pDoc = static_cast<CLogic_editorDoc *> (GetDocument());
|
|
|
|
|
|
// target is a node
|
|
if ( m_mapItemToNode.Lookup( m_hitemDrop, pTargetNode ) )
|
|
{
|
|
pTargetNode->m_ctSubTree.AddTail( pDragNode );
|
|
pDragNode->m_pParentNode = pTargetNode;
|
|
}
|
|
// target is a condition
|
|
else
|
|
{
|
|
CString name = tree.GetItemText( m_hitemDrop );
|
|
if (pDoc->m_conditions.Lookup( name, (void*&)pTargetCond ) )
|
|
{
|
|
pTargetCond->m_ctConditionTree.AddTail( pDragNode );
|
|
pDragNode->m_pParentNode = NULL;
|
|
}
|
|
else
|
|
{
|
|
AfxMessageBox("Error : root condition not found");
|
|
delete pDragNode;
|
|
}
|
|
}
|
|
|
|
// for the moment, update all views, but moving branch may be faster
|
|
pDoc->UpdateAllViews(NULL);
|
|
/*
|
|
Expand( m_hitemDrop, TVE_EXPAND ) ;
|
|
|
|
HTREEITEM htiNew = CopyBranch( m_hitemDrag, m_hitemDrop, TVI_LAST );
|
|
DeleteItem(m_hitemDrag);
|
|
SelectItem( htiNew );
|
|
*/
|
|
}
|
|
|
|
|
|
|
|
void CConditionsView::OnMoveAsSibling()
|
|
{
|
|
CTreeCtrl &tree = GetTreeCtrl();
|
|
if (m_hitemDrop == tree.GetRootItem() )
|
|
return;
|
|
|
|
m_hitemDrop = tree.GetParentItem( m_hitemDrop);
|
|
|
|
OnMoveAsChild();
|
|
}
|
|
|
|
|
|
|
|
void CConditionsView::OnCopyAsChild()
|
|
{
|
|
CTreeCtrl &tree = GetTreeCtrl();
|
|
// Check that the dragged item is not an ancestor
|
|
HTREEITEM htiParent = m_hitemDrop;
|
|
while( (htiParent = tree.GetParentItem( htiParent )) != NULL )
|
|
{
|
|
if( htiParent == m_hitemDrag )
|
|
return;
|
|
}
|
|
|
|
|
|
CConditionNode* pTargetNode = NULL;
|
|
CCondition * pTargetCond = NULL;
|
|
|
|
CConditionNode *pDragNode = NULL;
|
|
CConditionNode *pNewNode = NULL;
|
|
|
|
// get the drag object
|
|
if ( m_mapItemToNode.Lookup( m_hitemDrag, pDragNode ) )
|
|
{
|
|
pNewNode = new CConditionNode(*pDragNode);
|
|
}
|
|
else
|
|
return;
|
|
|
|
CLogic_editorDoc *pDoc = static_cast<CLogic_editorDoc *> (GetDocument());
|
|
|
|
|
|
// target is a node
|
|
if ( m_mapItemToNode.Lookup( m_hitemDrop, pTargetNode ) )
|
|
{
|
|
pTargetNode->m_ctSubTree.AddTail( pNewNode );
|
|
pNewNode->m_pParentNode = pTargetNode;
|
|
}
|
|
// target is a condition
|
|
else
|
|
{
|
|
CString name = tree.GetItemText( m_hitemDrop );
|
|
if (pDoc->m_conditions.Lookup( name, (void*&)pTargetCond ) )
|
|
{
|
|
pTargetCond->m_ctConditionTree.AddTail( pNewNode );
|
|
pNewNode->m_pParentNode = NULL;
|
|
}
|
|
else
|
|
{
|
|
AfxMessageBox("Error : root condition not found");
|
|
delete pNewNode;
|
|
}
|
|
}
|
|
|
|
// for the moment, update all views, but moving branch may be faster
|
|
pDoc->UpdateAllViews(NULL);
|
|
/*
|
|
HTREEITEM htiNew = CopyBranch( m_hitemDrag, m_hitemDrop, TVI_LAST );
|
|
*/
|
|
}
|
|
|
|
|
|
|
|
void CConditionsView::OnCopyAsSibling()
|
|
{
|
|
CTreeCtrl &tree = GetTreeCtrl();
|
|
if (m_hitemDrop == tree.GetRootItem() )
|
|
return;
|
|
|
|
m_hitemDrop = tree.GetParentItem( m_hitemDrop);
|
|
|
|
OnCopyAsChild();
|
|
}
|