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hide those groups who don't have any matching children… #976

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hide those groups who don't have any matching children… #976

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45 changes: 40 additions & 5 deletions src/bookmarkswidget.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@ class AbstractBookmarkItem
return 0;
}

int m_visible;

protected:
ItemType m_type;
AbstractBookmarkItem *m_parent;
Expand Down Expand Up @@ -369,6 +371,15 @@ void BookmarksWidget::filter(const QString& str)
{
treeView->clearSelection();
const QModelIndexList list = m_model->allChildRows(QModelIndex());

// first mark everyone hidden
for (const auto& index : list)
{
AbstractBookmarkItem *item = static_cast<AbstractBookmarkItem*>(index.internalPointer());
item->m_visible = 0;
}

// now mark the matching ones visible
for (const auto& index : list)
{
AbstractBookmarkItem *item = static_cast<AbstractBookmarkItem*>(index.internalPointer());
Expand All @@ -377,12 +388,36 @@ void BookmarksWidget::filter(const QString& str)
if (item->value().contains(str, Qt::CaseInsensitive)
|| item->display().contains(str, Qt::CaseInsensitive))
{
treeView->setRowHidden(index.row(), index.parent(), false);
}
else
{
treeView->setRowHidden(index.row(), index.parent(), true);
item->m_visible = 1;
}
}
}

// now who became visible, their parents, grandparents, grand-grandparents, etc, need to be marked too
for (const auto& index : list)
{
AbstractBookmarkItem *item = static_cast<AbstractBookmarkItem*>(index.internalPointer());
if (item->m_visible == 0)
continue;
for (;;)
{
item = item->parent();
if (item == nullptr)
break;
item->m_visible = 1;
}
}

// finally do update the view
for (const auto& index : list)
{
AbstractBookmarkItem *item = static_cast<AbstractBookmarkItem*>(index.internalPointer());
if (item->m_visible == 0)
{
treeView->setRowHidden(index.row(), index.parent(), true);
} else {
treeView->setRowHidden(index.row(), index.parent(), false);
}
}

}