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 = m_lineendings;
  65                 lineData.state = ResolveState(lineData.state);
  66                 SetViewData(viewLine, lineData);
  67                 SetModified();
  68         }
  69
  70         // make sure previous (non empty) line have EOL set
  71         for (int nCheckViewLine = nFirstViewLine-1; nCheckViewLine > 0; nCheckViewLine--)
  72         {
  73                 if (!IsViewLineEmpty(nCheckViewLine))
  74                 {
  75                         if (GetViewLineEnding(nCheckViewLine) == EOL_NOENDING)
  76                         {
  77                                 SetViewLineEnding(nCheckViewLine, m_lineendings);
  78                                 SetModified();
  79                         }
  80                         break;
  81                 }
  82         }
  83
  84         int nRemovedLines = CleanEmptyLines();
  85         SaveUndoStep();
  86         UpdateViewLineNumbers();
  87         SaveUndoStep();
  88
  89         CUndo::GetInstance().EndGrouping();
  90
  91         // final clean up
  92         ClearSelection();
  93         SetupAllViewSelection(nFirstViewLine, nLastViewLine - nRemovedLines);
  94         BuildAllScreen2ViewVector();
  95         RefreshViews();
  96 }
  97
  98 void CBottomView::UseBothBlocks(CBaseView * pwndFirst, CBaseView * pwndLast)
  99 {
 100         if (!IsViewGood(pwndFirst) || !IsViewGood(pwndLast))
 101                 return;
 102         int nFirstViewLine = 0; // first view line in selection
 103         int nLastViewLine  = 0; // last view line in selection
 104
 105         if (!GetViewSelection(nFirstViewLine, nLastViewLine))
 106                 return;
 107
 108         int nNextViewLine = nLastViewLine + 1; // first view line after selected block
 109
 110         CUndo::GetInstance().BeginGrouping(); // start group undo
 111
 112         // use (copy) first block
 113         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++)
 114         {
 115                 viewdata lineData = pwndFirst->GetViewData(viewLine);
 116                 if ((lineData.ending != EOL_NOENDING)||(viewLine < (GetViewCount()-1)))
 117                         lineData.ending = m_lineendings;
 118                 lineData.state = ResolveState(lineData.state);
 119                 SetViewData(viewLine, lineData);
 120                 if (!IsStateEmpty(pwndFirst->GetViewState(viewLine)))
 121                 {
 122                         pwndFirst->SetViewState(viewLine, DIFFSTATE_YOURSADDED); // this is improper (may be DIFFSTATE_THEIRSADDED) but seems not to produce any visible bug
 123                 }
 124         }
 125         // make sure previous (non empty) line have EOL set
 126         for (int nCheckViewLine = nFirstViewLine-1; nCheckViewLine > 0; nCheckViewLine--)
 127         {
 128                 if (!IsViewLineEmpty(nCheckViewLine))
 129                 {
 130                         if (GetViewLineEnding(nCheckViewLine) == EOL_NOENDING)
 131                         {
 132                                 SetViewLineEnding(nCheckViewLine, m_lineendings);
 133                         }
 134                         break;
 135                 }
 136         }
 137
 138         SaveUndoStep();
 139
 140         // use (insert) last block
 141         int nViewIndex = nNextViewLine;
 142         for (int viewLine = nFirstViewLine; viewLine <= nLastViewLine; viewLine++, nViewIndex++)
 143         {
 144                 viewdata lineData = pwndLast->GetViewData(viewLine);
 145                 lineData.state = ResolveState(lineData.state);
 146                 InsertViewData(nViewIndex, lineData);
 147                 if (!IsStateEmpty(pwndLast->GetViewState(viewLine)))
 148                 {
 149                         pwndLast->SetViewState(viewLine, DIFFSTATE_THEIRSADDED); // this is improper but seems not to produce any visible bug
 150                 }
 151         }
 152         SaveUndoStep();
 153
 154         // adjust line numbers in target
 155         // we fix all line numbers to handle exotic cases
 156         UpdateViewLineNumbers();
 157         SaveUndoStep();
 158
 159         // now insert an empty block in both first and last
 160         int nCount = nLastViewLine - nFirstViewLine + 1;
 161         pwndLast->InsertViewEmptyLines(nFirstViewLine, nCount);
 162         pwndFirst->InsertViewEmptyLines(nNextViewLine, nCount);
 163         SaveUndoStep();
 164
 165         int nRemovedLines = CleanEmptyLines();
 166         SaveUndoStep();
 167
 168         CUndo::GetInstance().EndGrouping();
 169
 170         // final clean up
 171         ClearSelection();
 172         SetupAllViewSelection(nFirstViewLine, 2*nLastViewLine - nFirstViewLine - nRemovedLines + 1);
 173         BuildAllScreen2ViewVector();
 174         SetModified();
 175         RefreshViews();
 176 }
 177
 178 void CBottomView::UseViewBlock(CBaseView * pwndView)
 179 {
 180         if (!IsViewGood(pwndView))
 181                 return;
 182         int nFirstViewLine = 0; // first view line in selection
 183         int nLastViewLine  = 0; // last view line in selection
 184
 185         if (!GetViewSelection(nFirstViewLine, nLastViewLine))
 186                 return;
 187
 188         return UseBlock(pwndView, nFirstViewLine, nLastViewLine);
 189 }
 190
 191 void CBottomView::UseViewFile(CBaseView * pwndView)
 192 {
 193         if (!IsViewGood(pwndView))
 194                 return;
 195         int nFirstViewLine = 0;
 196         int nLastViewLine = GetViewCount()-1;
 197
 198         return UseBlock(pwndView, nFirstViewLine, nLastViewLine);
 199 }