src/frontends/qt4/GuiCompareHistory.cpp

   1 /**
   2  * \file GuiCompareHistory.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Pavel Sanda
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12 #include <support/debug.h>
  13 #include <limits>
  14
  15 #include "GuiCompareHistory.h"
  16
  17 #include "Buffer.h"
  18 #include "BufferView.h"
  19 #include "FuncRequest.h"
  20 #include "GuiView.h"
  21 #include "LyXVC.h"
  22
  23 #include "support/convert.h"
  24 #include "support/lstrings.h"
  25
  26
  27
  28 using namespace std;
  29 using namespace lyx::support;
  30
  31 namespace lyx {
  32 namespace frontend {
  33
  34
  35 GuiCompareHistory::GuiCompareHistory(GuiView & lv)
  36         : GuiDialog(lv, "comparehistory", qt_("Compare different revisions"))
  37
  38 {
  39         setupUi(this);
  40         setModal(Qt::WindowModal);
  41
  42         connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
  43         connect(cancelPB, SIGNAL(clicked()), this, SLOT(slotCancel()));
  44
  45         connect(revbackRB, SIGNAL(clicked()), this, SLOT(selectRevback()));
  46         connect(betweenrevRB, SIGNAL(clicked()), this, SLOT(selectBetweenrev()));
  47 }
  48
  49 bool GuiCompareHistory::initialiseParams(std::string const &)
  50 {
  51         string revstring = lyxview().currentBufferView()->buffer().lyxvc().revisionInfo(LyXVC::File);
  52         int rev=0;
  53
  54         string tmp;
  55         bool enableBetween = true;
  56         // GIT case, hash is long
  57         if (revstring.length() > 20) {
  58                 enableBetween = false;
  59                 rev = numeric_limits<int>::max();
  60         } else {
  61                 // RCS case
  62                 if (!isStrInt(revstring))
  63                         revstring = rsplit(revstring, tmp , '.' );
  64                 // both SVN & RCS cases
  65                 if (isStrInt(revstring))
  66                         rev = convert<int>(revstring);
  67         }
  68
  69         // later we can provide comparison between two hashes
  70         betweenrevRB->setEnabled(enableBetween);
  71
  72         okPB->setEnabled(rev);
  73         rev1SB->setMaximum(rev);
  74         rev2SB->setMaximum(rev);
  75         revbackSB->setMaximum(rev-1);
  76         rev2SB->setValue(rev);
  77         rev1SB->setValue(rev-1);
  78
  79         //bc().setPolicy(ButtonPolicy::OkApplyCancelPolicy);
  80         //bc().setOK(okPB);
  81         //bc().setCancel(cancelPB);
  82         enableControls();
  83         return true;
  84 }
  85
  86
  87 void GuiCompareHistory::updateContents()
  88 {
  89         enableControls();
  90 }
  91
  92
  93 void GuiCompareHistory::selectRevback()
  94 {
  95         betweenrevRB->setChecked(false);
  96         enableControls();
  97 }
  98
  99
 100 void GuiCompareHistory::selectBetweenrev()
 101 {
 102         revbackRB->setChecked(false);
 103         enableControls();
 104 }
 105
 106
 107 void GuiCompareHistory::enableControls()
 108 {
 109         bool rb = revbackRB->isChecked();
 110         oldL->setEnabled(!rb);
 111         newL->setEnabled(!rb);
 112         rev1SB->setEnabled(!rb);
 113         rev2SB->setEnabled(!rb);
 114         rev2SB->setEnabled(!rb);
 115         betweenrevRB->setChecked(!rb);
 116         revbackSB->setEnabled(rb);
 117 }
 118
 119
 120 void GuiCompareHistory::slotOK()
 121 {
 122         string param;
 123         if (revbackRB->isChecked())
 124                 param = "-" + convert<string>(revbackSB->value());
 125         else
 126                 param = convert<string>(rev1SB->value()) +
 127                         + " " + convert<string>(rev2SB->value());
 128
 129         GuiDialog::slotClose();
 130         dispatch(FuncRequest(LFUN_VC_COMPARE, param));
 131 }
 132
 133
 134 void GuiCompareHistory::slotCancel()
 135 {
 136         GuiDialog::slotClose();
 137 }
 138
 139
 140 Dialog * createGuiCompareHistory(GuiView & lv) { return new GuiCompareHistory(lv); }
 141
 142
 143 } // namespace frontend
 144 } // namespace lyx
 145
 146
 147 #include "moc_GuiCompareHistory.cpp"