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GUI: In the selectfiles dialog use partial selection if some children are checked and others are not

This commit is contained in:
Daniel Marjamäki 2012-01-15 07:43:50 +01:00
parent 4399fca769
commit fe12b280b9
1 changed files with 49 additions and 5 deletions
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54
gui/selectfilesdialog.cpp
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@ -39,6 +39,29 @@ private:
return matchindex;
}
bool partiallySelected(const QString &filepath, int selindex = -2) const {
if (selindex == -2)
selindex = getindex(selected, filepath);
const QString filepath2 = filepath.endsWith("/") ? filepath : (filepath + "/");
if (selindex == -1) {
for (int i = 0; i < selected.size(); ++i) {
if (selected[i].startsWith(filepath2)) {
return true;
}
}
}
for (int i = 0; i < unselected.size(); ++i) {
if (unselected[i].startsWith(filepath2)) {
return true;
}
}
return false;
}
public:
SelectFilesModel() : QFileSystemModel() {
class FileLister : private FileList {
@ -61,14 +84,21 @@ public:
QVariant data(const QModelIndex& index, int role=Qt::DisplayRole) const {
if (role == Qt::CheckStateRole) {
const QString filepath = filePath(index);
int selindex = getindex(selected, filepath);
int unselindex = getindex(unselected, filepath);
const int selindex = getindex(selected, filepath);
const int unselindex = getindex(unselected, filepath);
// If some children are not checked then this item should be partially checked..
if (partiallySelected(filepath, selindex))
return Qt::PartiallyChecked;
// Is item selected but not unselected?
if (selindex >= 0 && unselindex == -1)
return Qt::Checked;
if (selindex >= 0 && unselindex >= 0 &&
selected[selindex].size() > unselected[unselindex].size())
return Qt::Checked;
// Item is either not selected at all or else it is unselected
return Qt::Unchecked;
}
return QFileSystemModel::data(index, role);
@ -77,10 +107,13 @@ public:
bool setData(const QModelIndex& index, const QVariant& value, int role) {
if (role == Qt::CheckStateRole) {
const QString filepath = filePath(index);
bool partiallyChecked = partiallySelected(filepath);
if (unselected.indexOf(filepath) != -1) {
// remove unchecked path
unselected.removeAll(filepath);
} else if (selected.indexOf(filepath) != -1) {
} else if (partiallyChecked || selected.indexOf(filepath) != -1) {
// remove child selected paths
for (int i = selected.size() - 1; i >= 0; --i) {
if (selected[i].startsWith(filepath))
@ -92,9 +125,13 @@ public:
if (unselected[i].startsWith(filepath))
unselected.removeAt(i);
}
// If partialChecked then select this item
if (partiallyChecked)
selected.append(filepath);
} else {
int selindex = getindex(selected, filepath);
int unselindex = getindex(unselected, filepath);
const int selindex = getindex(selected, filepath);
const int unselindex = getindex(unselected, filepath);
if (selindex == -1)
selected.append(filepath);
else if (unselindex >= 0 && selected[selindex].size() < unselected[unselindex].size())
@ -106,6 +143,13 @@ public:
if (rowCount(index) > 0)
emit(dataChanged(index, index.child(rowCount(index)-1,0)));
// update parents
QModelIndex parent = index.parent();
while (parent != QModelIndex()) {
emit(dataChanged(parent,parent));
parent = parent.parent();
}
return true;
}
return QFileSystemModel::setData(index, value, role);