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https://github.com/subsurface/subsurface.git
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0212b1b9f7
For many of the commands it is fairly easy to add information that makes it easier to figure out what actually happened. That's especially true for commands operating on dives. Trip and dive site edits haven't been given these more elaborate undo texts (yet). Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
108 lines
2.2 KiB
C++
108 lines
2.2 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "command_base.h"
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#include "core/qthelper.h" // for updateWindowTitle()
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#include "core/subsurface-qt/divelistnotifier.h"
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#include <QVector>
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namespace Command {
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static QUndoStack undoStack;
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// forward declaration
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QString changesMade();
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// General commands
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void init()
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{
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QObject::connect(&undoStack, &QUndoStack::cleanChanged, &updateWindowTitle);
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changesCallback = &changesMade;
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}
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void clear()
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{
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undoStack.clear();
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}
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void setClean()
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{
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undoStack.setClean();
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}
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bool isClean()
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{
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return undoStack.isClean();
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}
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// this can be used to get access to the signals emitted by the QUndoStack
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QUndoStack *getUndoStack()
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{
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return &undoStack;
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}
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QAction *undoAction(QObject *parent)
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{
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return undoStack.createUndoAction(parent, QCoreApplication::translate("Command", "&Undo"));
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}
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QAction *redoAction(QObject *parent)
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{
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return undoStack.createRedoAction(parent, QCoreApplication::translate("Command", "&Redo"));
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}
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QString diveNumberOrDate(struct dive *d)
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{
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if (d->number != 0)
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return QStringLiteral("#%1").arg(d->number);
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else
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return QStringLiteral("@%1").arg(get_short_dive_date_string(d->when));
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}
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QString getListOfDives(const std::vector<struct dive*> &dives)
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{
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QString listOfDives;
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if ((int)dives.size() == dive_table.nr)
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return Base::tr("all dives");
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int i = 0;
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for (dive *d: dives) {
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// we show a maximum of five dive numbers, or 4 plus ellipsis
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if (++i == 4 && dives.size() >= 5)
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return listOfDives + "...";
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listOfDives += diveNumberOrDate(d) + ", ";
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}
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if (!listOfDives.isEmpty())
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listOfDives.truncate(listOfDives.length() - 2);
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return listOfDives;
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}
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QString getListOfDives(QVector<struct dive *> dives)
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{
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return getListOfDives(std::vector<struct dive *>(dives.begin(), dives.end()));
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}
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// return a string that can be used for the commit message and should list the changes that
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// were made to the dive list
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QString changesMade()
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{
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QString changeTexts;
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for (int i = 0; i < undoStack.index(); i++)
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changeTexts += undoStack.text(i) + "\n";
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return changeTexts;
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}
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bool execute(Base *cmd)
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{
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if (cmd->workToBeDone()) {
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undoStack.push(cmd);
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emit diveListNotifier.commandExecuted();
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return true;
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} else {
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delete cmd;
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return false;
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}
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}
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} // namespace Command
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