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         // make sure previous (non empty) line have EOL set
  70         for (int nCheckViewLine = nFirstViewLine-1; nCheckViewLine > 0; nCheckViewLine--)
  71         {
  72                 if (!IsViewLineEmpty(nCheckViewLine))
  73                 {
  74                         if (GetViewLineEnding(nCheckViewLine) == EOL_NOENDING)
  75                         {
  76                                 SetViewLineEnding(nCheckViewLine, lineendings);
  77                         }
  78                         break;
  79                 }
  80         }
  81
  82         int nRemovedLines = CleanEmptyLines();
  83         SaveUndoStep();
  84         UpdateViewLineNumbers();
  85         SaveUndoStep();
  86
  87         CUndo::GetInstance().EndGrouping();
  88
  89         // final clean up
  90         ClearSelection();
  91         SetupAllViewSelection(nFirstViewLine, nLastViewLine - nRemovedLines);
  92         BuildAllScreen2ViewVector();
  93         SetModified();
  94         RefreshViews();
  95 }
  96
  97 void CBottomView::UseBothBlocks(CBaseView * pwndFirst, CBaseView * pwndLast)
  98 {
  99         if (!IsViewGood(pwndFirst) || !IsViewGood(pwndLast))
 100                 return;
 101         int nFirstViewLine = 0; // first view line in selection
 102         int nLastViewLine  = 0; // last view line in selection
 103
 104         if (!GetViewSelection(nFirstViewLine, nLastViewLine))
 105                 return;
 106
 107         int nNextViewLine = nLastViewLine + 1; // first view line after selected block
 108
 109         CUndo::GetInstance().BeginGrouping(); // start group undo
 110
 111         // use (copy) first block
 112         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++)
 113         {
 114                 viewdata lineData = pwndFirst->GetViewData(viewLine);
 115                 if ((lineData.ending != EOL_NOENDING)||(viewLine < (GetViewCount()-1)))
 116                         lineData.ending = lineendings;
 117                 lineData.state = ResolveState(lineData.state);
 118                 SetViewData(viewLine, lineData);
 119                 if (!IsStateEmpty(pwndFirst->GetViewState(viewLine)))
 120                 {
 121                         pwndFirst->SetViewState(viewLine, DIFFSTATE_YOURSADDED); // this is improper (may be DIFFSTATE_THEIRSADDED) but seems not to produce any visible bug
 122                 }
 123         }
 124         // make sure previous (non empty) line have EOL set
 125         for (int nCheckViewLine = nFirstViewLine-1; nCheckViewLine > 0; nCheckViewLine--)
 126         {
 127                 if (!IsViewLineEmpty(nCheckViewLine))
 128                 {
 129                         if (GetViewLineEnding(nCheckViewLine) == EOL_NOENDING)
 130                         {
 131                                 SetViewLineEnding(nCheckViewLine, lineendings);
 132                         }
 133                         break;
 134                 }
 135         }
 136
 137         SaveUndoStep();
 138
 139         // use (insert) last block
 140         int nViewIndex = nNextViewLine;
 141         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++, nViewIndex++)
 142         {
 143                 viewdata lineData = pwndLast->GetViewData(viewLine);
 144                 lineData.state = ResolveState(lineData.state);
 145                 InsertViewData(nViewIndex, lineData);
 146                 if (!IsStateEmpty(pwndLast->GetViewState(viewLine)))
 147                 {
 148                         pwndLast->SetViewState(viewLine, DIFFSTATE_THEIRSADDED); // this is improper but seems not to produce any visible bug
 149                 }
 150         }
 151         SaveUndoStep();
 152
 153         // adjust line numbers in target
 154         // we fix all line numbers to handle exotic cases
 155         UpdateViewLineNumbers();
 156         SaveUndoStep();
 157
 158         // now insert an empty block in both first and last
 159         int nCount = nLastViewLine - nFirstViewLine + 1;
 160         pwndLast->InsertViewEmptyLines(nFirstViewLine, nCount);
 161         pwndFirst->InsertViewEmptyLines(nNextViewLine, nCount);
 162         SaveUndoStep();
 163
 164         int nRemovedLines = CleanEmptyLines();
 165         SaveUndoStep();
 166
 167         CUndo::GetInstance().EndGrouping();
 168
 169         // final clean up
 170         ClearSelection();
 171         SetupAllViewSelection(nFirstViewLine, 2*nLastViewLine - nFirstViewLine - nRemovedLines + 1);
 172         BuildAllScreen2ViewVector();
 173         SetModified();
 174         pwndLast->SetModified();
 175         pwndFirst->SetModified();
 176         RefreshViews();
 177 }
 178
 179 void CBottomView::UseViewBlock(CBaseView * pwndView)
 180 {
 181         if (!IsViewGood(pwndView))
 182                 return;
 183         int nFirstViewLine = 0; // first view line in selection
 184         int nLastViewLine  = 0; // last view line in selection
 185
 186         if (!GetViewSelection(nFirstViewLine, nLastViewLine))
 187                 return;
 188
 189         return UseBlock(pwndView, nFirstViewLine, nLastViewLine);
 190 }
 191
 192 void CBottomView::UseViewFile(CBaseView * pwndView)
 193 {
 194         if (!IsViewGood(pwndView))
 195                 return;
 196         int nFirstViewLine = 0;
 197         int nLastViewLine = GetViewCount()-1;
 198
 199         return UseBlock(pwndView, nFirstViewLine, nLastViewLine);
 200 }