src/TortoiseMerge/BottomView.cpp

   1 // TortoiseGitMerge - a Diff/Patch program
   2
   3 // Copyright (C) 2006-2013 - TortoiseSVN
   4
   5 // This program is free software; you can redistribute it and/or
   6 // modify it under the terms of the GNU General Public License
   7 // as published by the Free Software Foundation; either version 2
   8 // of the License, or (at your option) any later version.
   9
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14
  15 // You should have received a copy of the GNU General Public License
  16 // along with this program; if not, write to the Free Software Foundation,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 #include "stdafx.h"
  20 #include "resource.h"
  21 #include "AppUtils.h"
  22
  23 #include "bottomview.h"
  24
  25 IMPLEMENT_DYNCREATE(CBottomView, CBaseView)
  26
  27 CBottomView::CBottomView(void)
  28 {
  29         m_pwndBottom = this;
  30         m_pState = &m_AllState.bottom;
  31         m_nStatusBarID = ID_INDICATOR_BOTTOMVIEW;
  32 }
  33
  34 CBottomView::~CBottomView(void)
  35 {
  36 }
  37
  38
  39 void CBottomView::AddContextItems(CIconMenu& popup, DiffStates state)
  40 {
  41         const bool bShow = HasSelection() && (state != DIFFSTATE_UNKNOWN);
  42         if (!bShow)
  43                 return;
  44
  45         popup.AppendMenuIcon(POPUPCOMMAND_USETHEIRBLOCK, IDS_VIEWCONTEXTMENU_USETHEIRBLOCK);
  46         popup.AppendMenuIcon(POPUPCOMMAND_USEYOURBLOCK, IDS_VIEWCONTEXTMENU_USEYOURBLOCK);
  47         popup.AppendMenuIcon(POPUPCOMMAND_USEYOURANDTHEIRBLOCK, IDS_VIEWCONTEXTMENU_USEYOURANDTHEIRBLOCK);
  48         popup.AppendMenuIcon(POPUPCOMMAND_USETHEIRANDYOURBLOCK, IDS_VIEWCONTEXTMENU_USETHEIRANDYOURBLOCK);
  49
  50         CBaseView::AddContextItems(popup, state);
  51 }
  52
  53
  54 void CBottomView::UseBlock(CBaseView * pwndView, int nFirstViewLine, int nLastViewLine)
  55 {
  56         if (!IsViewGood(pwndView))
  57                 return;
  58         CUndo::GetInstance().BeginGrouping(); // start group undo
  59
  60         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++)
  61         {
  62                 viewdata lineData = pwndView->GetViewData(viewLine);
  63                 if ((lineData.ending != EOL_NOENDING)||(viewLine < (GetViewCount()-1)))
  64                         lineData.ending = lineendings;
  65                 lineData.state = ResolveState(lineData.state);
  66                 SetViewData(viewLine, lineData);
  67         }
  68
  69         int nRemovedLines = CleanEmptyLines();
  70         SaveUndoStep();
  71         UpdateViewLineNumbers();
  72         SaveUndoStep();
  73
  74         CUndo::GetInstance().EndGrouping();
  75
  76         // final clean up
  77         ClearSelection();
  78         SetupAllViewSelection(nFirstViewLine, nLastViewLine - nRemovedLines);
  79         BuildAllScreen2ViewVector();
  80         SetModified();
  81         RefreshViews();
  82 }
  83
  84 void CBottomView::UseBothBlocks(CBaseView * pwndFirst, CBaseView * pwndLast)
  85 {
  86         if (!IsViewGood(pwndFirst) || !IsViewGood(pwndLast))
  87                 return;
  88         int nFirstViewLine = 0; // first view line in selection
  89         int nLastViewLine  = 0; // last view line in selection
  90
  91         if (!GetViewSelection(nFirstViewLine, nLastViewLine))
  92                 return;
  93
  94         int nNextViewLine = nLastViewLine + 1; // first view line after selected block
  95
  96         CUndo::GetInstance().BeginGrouping(); // start group undo
  97
  98         // use (copy) first block
  99         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++)
 100         {
 101                 viewdata lineData = pwndFirst->GetViewData(viewLine);
 102                 if ((lineData.ending != EOL_NOENDING)||(viewLine < (GetViewCount()-1)))
 103                         lineData.ending = lineendings;
 104                 lineData.state = ResolveState(lineData.state);
 105                 SetViewData(viewLine, lineData);
 106                 if (!IsStateEmpty(pwndFirst->GetViewState(viewLine)))
 107                 {
 108                         pwndFirst->SetViewState(viewLine, DIFFSTATE_YOURSADDED); // this is improper (may be DIFFSTATE_THEIRSADDED) but seems not to produce any visible bug
 109                 }
 110         }
 111         SaveUndoStep();
 112
 113         // use (insert) last block
 114         int nViewIndex = nNextViewLine;
 115         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++, nViewIndex++)
 116         {
 117                 viewdata lineData = pwndLast->GetViewData(viewLine);
 118                 lineData.state = ResolveState(lineData.state);
 119                 InsertViewData(nViewIndex, lineData);
 120                 if (!IsStateEmpty(pwndLast->GetViewState(viewLine)))
 121                 {
 122                         pwndLast->SetViewState(viewLine, DIFFSTATE_THEIRSADDED); // this is improper but seems not to produce any visible bug
 123                 }
 124         }
 125         SaveUndoStep();
 126
 127         // adjust line numbers in target
 128         // we fix all line numbers to handle exotic cases
 129         UpdateViewLineNumbers();
 130         SaveUndoStep();
 131
 132         // now insert an empty block in both first and last
 133         int nCount = nLastViewLine - nFirstViewLine + 1;
 134         pwndLast->InsertViewEmptyLines(nFirstViewLine, nCount);
 135         pwndFirst->InsertViewEmptyLines(nNextViewLine, nCount);
 136         SaveUndoStep();
 137
 138         int nRemovedLines = CleanEmptyLines();
 139         SaveUndoStep();
 140
 141         CUndo::GetInstance().EndGrouping();
 142
 143         // final clean up
 144         ClearSelection();
 145         SetupAllViewSelection(nFirstViewLine, 2*nLastViewLine - nFirstViewLine - nRemovedLines + 1);
 146         BuildAllScreen2ViewVector();
 147         SetModified();
 148         pwndLast->SetModified();
 149         pwndFirst->SetModified();
 150         RefreshViews();
 151 }
 152
 153 void CBottomView::UseViewBlock(CBaseView * pwndView)
 154 {
 155         if (!IsViewGood(pwndView))
 156                 return;
 157         int nFirstViewLine = 0; // first view line in selection
 158         int nLastViewLine  = 0; // last view line in selection
 159
 160         if (!GetViewSelection(nFirstViewLine, nLastViewLine))
 161                 return;
 162
 163         return UseBlock(pwndView, nFirstViewLine, nLastViewLine);
 164 }
 165
 166 void CBottomView::UseViewFile(CBaseView * pwndView)
 167 {
 168         if (!IsViewGood(pwndView))
 169                 return;
 170         int nFirstViewLine = 0;
 171         int nLastViewLine = GetViewCount()-1;
 172
 173         return UseBlock(pwndView, nFirstViewLine, nLastViewLine);
 174 }