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/* extcap_argument_multiselect.cpp
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <extcap_argument.h>
#include <extcap_argument_file.h>
#include <wsutil/utf8_entities.h>
#include <QObject>
#include <QWidget>
#include <QLabel>
#include <QLineEdit>
#include <QBoxLayout>
#include <QPushButton>
#include <QVariant>
#include <epan/prefs.h>
#include <ui/qt/utils/color_utils.h>
#include <extcap_parser.h>
#include <extcap_argument_multiselect.h>
ExtArgMultiSelect::ExtArgMultiSelect(extcap_arg * argument, QObject *parent) :
ExtcapArgument(argument, parent), treeView(0), viewModel(0) {}
ExtArgMultiSelect::~ExtArgMultiSelect()
{
if (treeView != 0)
delete treeView;
if (viewModel != 0)
delete viewModel;
}
QList<QStandardItem *> ExtArgMultiSelect::valueWalker(ExtcapValueList list, QStringList &defaults)
{
ExtcapValueList::iterator iter = list.begin();
QList<QStandardItem *> items;
while (iter != list.end())
{
QStandardItem * item = new QStandardItem((*iter).value());
if ((*iter).enabled() == false)
{
item->setCheckable(false);
}
else
{
item->setCheckable(true);
}
item->setData((*iter).call(), Qt::UserRole);
if ((*iter).isDefault())
defaults << (*iter).call();
item->setSelectable(false);
item->setEditable(false);
QList<QStandardItem *> childs = valueWalker((*iter).children(), defaults);
if (childs.length() > 0)
item->appendRows(childs);
items << item;
++iter;
}
return items;
}
void ExtArgMultiSelect::checkItemsWalker(QStandardItem * item, QStringList defaults)
{
QModelIndexList results;
QModelIndex index;
if (item->hasChildren())
{
for (int row = 0; row < item->rowCount(); row++)
{
QStandardItem * child = item->child(row);
if (child != 0)
{
checkItemsWalker(child, defaults);
}
}
}
QString data = item->data(Qt::UserRole).toString();
if (defaults.contains(data))
{
item->setCheckState(Qt::Checked);
index = item->index();
while (index.isValid())
{
treeView->setExpanded(index, true);
index = index.parent();
}
} else if (item->isCheckable()) {
item->setCheckState(Qt::Unchecked);
}
}
QWidget * ExtArgMultiSelect::createEditor(QWidget * parent)
{
QStringList checked;
QList<QStandardItem *> items = valueWalker(values, checked);
if (items.length() == 0)
return new QWidget();
/* Value can be empty if no items are checked */
if (_argument->pref_valptr && (*_argument->pref_valptr))
{
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
checked = QString(*_argument->pref_valptr).split(",", Qt::SkipEmptyParts);
#else
checked = QString(*_argument->pref_valptr).split(",", QString::SkipEmptyParts);
#endif
}
viewModel = new QStandardItemModel();
QList<QStandardItem *>::const_iterator iter = items.constBegin();
while (iter != items.constEnd())
{
((QStandardItemModel *)viewModel)->appendRow((*iter));
++iter;
}
treeView = new QTreeView(parent);
treeView->setModel(viewModel);
/* Shows at minimum 6 entries at most desktops */
treeView->setMinimumHeight(100);
treeView->setHeaderHidden(true);
treeView->setSelectionMode(QAbstractItemView::ExtendedSelection);
treeView->setEditTriggers(QAbstractItemView::NoEditTriggers);
for (int row = 0; row < viewModel->rowCount(); row++)
checkItemsWalker(((QStandardItemModel*)viewModel)->item(row), checked);
connect (viewModel,
SIGNAL(itemChanged(QStandardItem *)),
SLOT(itemChanged(QStandardItem *)));
return treeView;
}
QString ExtArgMultiSelect::value()
{
if (viewModel == 0)
return QString();
QStringList result;
QModelIndexList checked = viewModel->match(viewModel->index(0, 0), Qt::CheckStateRole, Qt::Checked, -1, Qt::MatchExactly | Qt::MatchRecursive);
if (checked.size() <= 0)
return QString();
QModelIndexList::const_iterator iter = checked.constBegin();
while (iter != checked.constEnd())
{
QModelIndex index = (QModelIndex)(*iter);
result << viewModel->data(index, Qt::UserRole).toString();
++iter;
}
return result.join(QString(','));
}
void ExtArgMultiSelect::itemChanged(QStandardItem *)
{
emit valueChanged();
}
bool ExtArgMultiSelect::isValid()
{
bool valid = true;
if (isRequired())
{
if (viewModel == 0)
valid = false;
else
{
QModelIndexList checked = viewModel->match(viewModel->index(0, 0), Qt::CheckStateRole, Qt::Checked, -1, Qt::MatchExactly | Qt::MatchRecursive);
if (checked.size() <= 0)
valid = false;
}
}
QString lblInvalidColor = ColorUtils::fromColorT(prefs.gui_text_invalid).name();
QString txtStyle("QTreeView { background-color: %1; } ");
if (viewModel != 0)
treeView->setStyleSheet(txtStyle.arg(valid ? QString("") : lblInvalidColor));
return valid;
}
QString ExtArgMultiSelect::defaultValue()
{
QStringList checked;
QList<QStandardItem *> items = valueWalker(values, checked);
return checked.join(QString(','));
}
bool ExtArgMultiSelect::isSetDefaultValueSupported()
{
return true;
}
void ExtArgMultiSelect::setDefaultValue()
{
QStringList checked;
#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
checked = defaultValue().split(",", Qt::SkipEmptyParts);
#else
checked = defaultValue().split(",", QString::SkipEmptyParts);
#endif
for (int row = 0; row < viewModel->rowCount(); row++)
checkItemsWalker(((QStandardItemModel*)viewModel)->item(row), checked);
}
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