src/frontends/qt/GuiChanges.cpp

   1 /**
   2  * \file GuiChanges.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Levon
   7  * \author Michael Gerz
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "GuiChanges.h"
  15
  16 #include "qt_helpers.h"
  17
  18 #include "Author.h"
  19 #include "Buffer.h"
  20 #include "BufferParams.h"
  21 #include "BufferView.h"
  22 #include "Changes.h"
  23 #include "Cursor.h"
  24 #include "FuncRequest.h"
  25 #include "LyXRC.h"
  26
  27 #include <QDateTime>
  28 #include <QTextBrowser>
  29
  30
  31 namespace lyx {
  32 namespace frontend {
  33
  34
  35 GuiChanges::GuiChanges(GuiView & lv)
  36         : GuiDialog(lv, "changes", qt_("Merge Changes"))
  37 {
  38         setupUi(this);
  39
  40         connect(buttonBox, SIGNAL(clicked(QAbstractButton *)),
  41                 this, SLOT(slotButtonBox(QAbstractButton *)));
  42         connect(nextPB, SIGNAL(clicked()), this, SLOT(nextChange()));
  43         connect(previousPB, SIGNAL(clicked()), this, SLOT(previousChange()));
  44         connect(rejectPB, SIGNAL(clicked()), this, SLOT(rejectChange()));
  45         connect(acceptPB, SIGNAL(clicked()), this, SLOT(acceptChange()));
  46
  47         bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
  48         bc().setCancel(buttonBox->button(QDialogButtonBox::Cancel));
  49 }
  50
  51
  52 void GuiChanges::updateContents()
  53 {
  54         bool const changesPresent = buffer().areChangesPresent();
  55         nextPB->setEnabled(changesPresent);
  56         previousPB->setEnabled(changesPresent);
  57         changeTB->setEnabled(changesPresent);
  58
  59         Change const & c = bufferview()->getCurrentChange();
  60         bool const changePresent = c.type != Change::UNCHANGED;
  61         rejectPB->setEnabled(changePresent && !isBufferReadonly());
  62         acceptPB->setEnabled(changePresent && !isBufferReadonly());
  63         bool const inserted = c.type == Change::INSERTED;
  64
  65         QString text;
  66         if (changePresent) {
  67                 QString const author =
  68                         toqstr(buffer().params().authors().get(c.author).nameAndEmail());
  69                 if (!author.isEmpty())
  70                         text += inserted ? qt_("Inserted by %1").arg(author)
  71                                          : qt_("Deleted by %1").arg(author);
  72
  73 #if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
  74                 QString const date =
  75                         QLocale().toString(QDateTime::fromSecsSinceEpoch(c.changetime),
  76                                         QLocale::LongFormat);
  77 #else
  78                 QString const date =
  79                         QLocale().toString(QDateTime::fromTime_t(c.changetime),
  80                                         QLocale::LongFormat);
  81 #endif
  82                 if (!date.isEmpty()) {
  83                         if (!author.isEmpty())
  84                                 text += qt_(" on[[date]] %1").arg(date);
  85                         else
  86                                 text += inserted ? qt_("Inserted on %1").arg(date)
  87                                                  : qt_("Deleted on %1").arg(date);
  88                 }
  89                 QString changedcontent = toqstr(bufferview()->cursor().selectionAsString(false));
  90                 if (!changedcontent.isEmpty()) {
  91                         text += ":<br><br><b>";
  92                         if (inserted)
  93                                 text += "<u><span style=\"color:blue\">";
  94                         else
  95                                 text += "<s><span style=\"color:red\">";
  96                         text += changedcontent;
  97                         if (inserted)
  98                                 text += "</u></span></b>";
  99                         else
 100                                 text += "</s></span></b>";
 101                 }
 102         }
 103         changeTB->setHtml(text);
 104 }
 105
 106
 107 void GuiChanges::nextChange()
 108 {
 109         dispatch(FuncRequest(LFUN_CHANGE_NEXT));
 110 }
 111
 112
 113 void GuiChanges::previousChange()
 114 {
 115         dispatch(FuncRequest(LFUN_CHANGE_PREVIOUS));
 116 }
 117
 118
 119 void GuiChanges::acceptChange()
 120 {
 121         dispatch(FuncRequest(LFUN_CHANGE_ACCEPT));
 122         nextChange();
 123 }
 124
 125
 126 void GuiChanges::rejectChange()
 127 {
 128         dispatch(FuncRequest(LFUN_CHANGE_REJECT));
 129         nextChange();
 130 }
 131
 132
 133 } // namespace frontend
 134 } // namespace lyx
 135
 136 #include "moc_GuiChanges.cpp"