src/frontends/qt/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
  13 #include "GuiCompareHistory.h"
  14
  15 #include "Buffer.h"
  16 #include "BufferView.h"
  17 #include "FuncRequest.h"
  18 #include "GuiView.h"
  19 #include "LyXVC.h"
  20
  21 #include "support/convert.h"
  22 #include "support/debug.h"
  23 #include "support/lstrings.h"
  24
  25 #include <QDialogButtonBox>
  26 #include <QPushButton>
  27
  28 #include <limits>
  29
  30 using namespace std;
  31 using namespace lyx::support;
  32
  33 namespace lyx {
  34 namespace frontend {
  35
  36
  37 GuiCompareHistory::GuiCompareHistory(GuiView & lv)
  38         : GuiDialog(lv, "comparehistory", qt_("Compare different revisions"))
  39
  40 {
  41         setupUi(this);
  42         setModal(Qt::WindowModal);
  43
  44         connect(buttonBox, SIGNAL(clicked(QAbstractButton *)),
  45                 this, SLOT(slotButtonBox(QAbstractButton *)));
  46
  47         connect(revbackRB, SIGNAL(clicked()), this, SLOT(selectRevback()));
  48         connect(betweenrevRB, SIGNAL(clicked()), this, SLOT(selectBetweenrev()));
  49 }
  50
  51 bool GuiCompareHistory::initialiseParams(std::string const &)
  52 {
  53         string revstring = lyxview().currentBufferView()->buffer().lyxvc().revisionInfo(LyXVC::File);
  54         int rev = 0;
  55
  56         string tmp;
  57         bool enableBetween = true;
  58         // GIT case, hash is long
  59         if (revstring.length() > 20) {
  60                 enableBetween = false;
  61                 rev = numeric_limits<int>::max();
  62         } else {
  63                 // RCS case
  64                 if (!isStrInt(revstring))
  65                         revstring = rsplit(revstring, tmp , '.' );
  66                 // both SVN & RCS cases
  67                 if (isStrInt(revstring))
  68                         rev = convert<int>(revstring);
  69         }
  70
  71         // later we can provide comparison between two hashes
  72         betweenrevRB->setEnabled(enableBetween);
  73
  74         buttonBox->button(QDialogButtonBox::Ok)->setEnabled(rev);
  75         rev1SB->setMaximum(rev);
  76         rev2SB->setMaximum(rev);
  77         revbackSB->setMaximum(rev-1);
  78         rev2SB->setValue(rev);
  79         rev1SB->setValue(rev-1);
  80
  81         //bc().setPolicy(ButtonPolicy::OkApplyCancelPolicy);
  82         //bc().setOK(okPB);
  83         //bc().setCancel(cancelPB);
  84         enableControls();
  85         return true;
  86 }
  87
  88
  89 void GuiCompareHistory::updateContents()
  90 {
  91         enableControls();
  92 }
  93
  94
  95 void GuiCompareHistory::selectRevback()
  96 {
  97         betweenrevRB->setChecked(false);
  98         enableControls();
  99 }
 100
 101
 102 void GuiCompareHistory::selectBetweenrev()
 103 {
 104         revbackRB->setChecked(false);
 105         enableControls();
 106 }
 107
 108
 109 void GuiCompareHistory::enableControls()
 110 {
 111         bool rb = revbackRB->isChecked();
 112         oldL->setEnabled(!rb);
 113         newL->setEnabled(!rb);
 114         rev1SB->setEnabled(!rb);
 115         rev2SB->setEnabled(!rb);
 116         rev2SB->setEnabled(!rb);
 117         betweenrevRB->setChecked(!rb);
 118         revbackSB->setEnabled(rb);
 119 }
 120
 121
 122 void GuiCompareHistory::slotOK()
 123 {
 124         string param;
 125         if (revbackRB->isChecked())
 126                 param = "-" + convert<string>(revbackSB->value());
 127         else
 128                 param = convert<string>(rev1SB->value()) +
 129                         + " " + convert<string>(rev2SB->value());
 130
 131         GuiDialog::slotClose();
 132         dispatch(FuncRequest(LFUN_VC_COMPARE, param));
 133 }
 134
 135
 136 void GuiCompareHistory::slotCancel()
 137 {
 138         GuiDialog::slotClose();
 139 }
 140
 141
 142 void GuiCompareHistory::slotButtonBox(QAbstractButton * button)
 143 {
 144         switch (buttonBox->standardButton(button)) {
 145         case QDialogButtonBox::Ok:
 146                 slotOK();
 147                 break;
 148         case QDialogButtonBox::Cancel:
 149                 slotCancel();
 150                 break;
 151         default:
 152                 break;
 153         }
 154 }
 155
 156
 157 } // namespace frontend
 158 } // namespace lyx
 159
 160
 161 #include "moc_GuiCompareHistory.cpp"