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Refactor QFileSystemModel: use named values for columns

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Hardcoded 0, 1, 2, 3 make it hard to follow the logic of this code.
Replace those values with values in the already existing unnamed enum,
and use everywhere.

Pick-to: 6.5 6.2
Task-number: QTBUG-110632
Change-Id: I325ab9edb5f3f996e87c83be1ec7226d5453f2cc
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
This commit is contained in:
Volker Hilsheimer 2023-04-06 14:33:43 +02:00
parent 7191b8fe38
commit 41a349f004
2 changed files with 35 additions and 25 deletions
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52
src/gui/itemmodels/qfilesystemmodel.cpp
View File

@ -710,15 +710,15 @@ QVariant QFileSystemModel::data(const QModelIndex &index, int role) const
switch (role) {
case Qt::EditRole:
if (index.column() == 0)
if (index.column() == QFileSystemModelPrivate::NameColumn)
return d->name(index);
Q_FALLTHROUGH();
case Qt::DisplayRole:
switch (index.column()) {
case 0: return d->displayName(index);
case 1: return d->size(index);
case 2: return d->type(index);
case 3: return d->time(index);
case QFileSystemModelPrivate::NameColumn: return d->displayName(index);
case QFileSystemModelPrivate::SizeColumn: return d->size(index);
case QFileSystemModelPrivate::TypeColumn: return d->type(index);
case QFileSystemModelPrivate::TimeColumn: return d->time(index);
default:
qWarning("data: invalid display value column %d", index.column());
break;
@ -729,7 +729,7 @@ QVariant QFileSystemModel::data(const QModelIndex &index, int role) const
case FileNameRole:
return d->name(index);
case Qt::DecorationRole:
if (index.column() == 0) {
if (index.column() == QFileSystemModelPrivate::NameColumn) {
QIcon icon = d->icon(index);
#if QT_CONFIG(filesystemwatcher)
if (icon.isNull()) {
@ -743,7 +743,7 @@ QVariant QFileSystemModel::data(const QModelIndex &index, int role) const
}
break;
case Qt::TextAlignmentRole:
if (index.column() == 1)
if (index.column() == QFileSystemModelPrivate::SizeColumn)
return QVariant(Qt::AlignTrailing | Qt::AlignVCenter);
break;
case FilePermissions:
@ -937,23 +937,27 @@ QVariant QFileSystemModel::headerData(int section, Qt::Orientation orientation,
QString returnValue;
switch (section) {
case 0: returnValue = tr("Name");
break;
case 1: returnValue = tr("Size");
break;
case 2: returnValue =
case QFileSystemModelPrivate::NameColumn:
returnValue = tr("Name");
break;
case QFileSystemModelPrivate::SizeColumn:
returnValue = tr("Size");
break;
case QFileSystemModelPrivate::TypeColumn:
returnValue =
#ifdef Q_OS_MAC
tr("Kind", "Match OS X Finder");
tr("Kind", "Match OS X Finder");
#else
tr("Type", "All other platforms");
tr("Type", "All other platforms");
#endif
break;
break;
// Windows - Type
// OS X - Kind
// Konqueror - File Type
// Nautilus - Type
case 3: returnValue = tr("Date Modified");
break;
case QFileSystemModelPrivate::TimeColumn:
returnValue = tr("Date Modified");
break;
default: return QVariant();
}
return returnValue;
@ -1017,7 +1021,7 @@ public:
const QFileSystemModelPrivate::QFileSystemNode *r) const
{
switch (sortColumn) {
case 0: {
case QFileSystemModelPrivate::NameColumn: {
#ifndef Q_OS_MAC
// place directories before files
bool left = l->isDir();
@ -1027,7 +1031,7 @@ public:
#endif
return naturalCompare.compare(l->fileName, r->fileName) < 0;
}
case 1:
case QFileSystemModelPrivate::SizeColumn:
{
// Directories go first
bool left = l->isDir();
@ -1041,7 +1045,7 @@ public:
return sizeDifference < 0;
}
case 2:
case QFileSystemModelPrivate::TypeColumn:
{
int compare = naturalCompare.compare(l->type(), r->type());
if (compare == 0)
@ -1049,7 +1053,7 @@ public:
return compare < 0;
}
case 3:
case QFileSystemModelPrivate::TimeColumn:
{
const QDateTime left = l->lastModified(QTimeZone::UTC);
const QDateTime right = r->lastModified(QTimeZone::UTC);
@ -1181,7 +1185,7 @@ QMimeData *QFileSystemModel::mimeData(const QModelIndexList &indexes) const
QList<QUrl> urls;
QList<QModelIndex>::const_iterator it = indexes.begin();
for (; it != indexes.end(); ++it)
if ((*it).column() == 0)
if ((*it).column() == QFileSystemModelPrivate::NameColumn)
urls << QUrl::fromLocalFile(filePath(*it));
QMimeData *data = new QMimeData();
data->setUrls(urls);
@ -1991,8 +1995,8 @@ void QFileSystemModelPrivate::_q_fileSystemChanged(const QString &path,
&& visibleMin < parentNode->visibleChildren.size()
&& parentNode->visibleChildren.at(visibleMin) == min
&& visibleMax >= 0) {
QModelIndex bottom = q->index(translateVisibleLocation(parentNode, visibleMin), 0, parentIndex);
QModelIndex top = q->index(translateVisibleLocation(parentNode, visibleMax), 3, parentIndex);
QModelIndex bottom = q->index(translateVisibleLocation(parentNode, visibleMin), QFileSystemModelPrivate::NameColumn, parentIndex);
QModelIndex top = q->index(translateVisibleLocation(parentNode, visibleMax), QFileSystemModelPrivate::NumColumns - 1, parentIndex);
emit q->dataChanged(bottom, top);
}

8
src/gui/itemmodels/qfilesystemmodel_p.h
View File

@ -63,7 +63,13 @@ class Q_GUI_EXPORT QFileSystemModelPrivate : public QAbstractItemModelPrivate
Q_DECLARE_PUBLIC(QFileSystemModel)
public:
enum { NumColumns = 4 };
enum {
NameColumn,
SizeColumn,
TypeColumn,
TimeColumn,
NumColumns = 4
};
class QFileSystemNode
{