diff options
Diffstat (limited to 'Source/QtDialog/EnvironmentDialog.cxx')
| -rw-r--r-- | Source/QtDialog/EnvironmentDialog.cxx | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/Source/QtDialog/EnvironmentDialog.cxx b/Source/QtDialog/EnvironmentDialog.cxx new file mode 100644 index 0000000..846456c --- /dev/null +++ b/Source/QtDialog/EnvironmentDialog.cxx @@ -0,0 +1,194 @@ +/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying + file Copyright.txt or https://cmake.org/licensing for details. */ +#include "EnvironmentDialog.h" + +#include <QDialogButtonBox> +#include <QGridLayout> +#include <QItemSelectionModel> +#include <QLabel> +#include <QLineEdit> +#include <QMessageBox> +#include <QStandardItem> + +EnvironmentItemModel::EnvironmentItemModel( + const QProcessEnvironment& environment, QObject* parent) + : QStandardItemModel(parent) +{ + this->clear(); + for (auto const& key : environment.keys()) { + auto value = environment.value(key); + this->appendVariable(key, value); + } +} + +QProcessEnvironment EnvironmentItemModel::environment() const +{ + QProcessEnvironment env; + for (int i = 0; i < this->rowCount(); ++i) { + auto name = this->data(this->index(i, 0), Qt::DisplayRole).toString(); + auto value = this->data(this->index(i, 1), Qt::DisplayRole).toString(); + env.insert(name, value); + } + return env; +} + +void EnvironmentItemModel::clear() +{ + this->QStandardItemModel::clear(); + + QStringList labels; + labels << tr("Name") << tr("Value"); + this->setHorizontalHeaderLabels(labels); +} + +QModelIndex EnvironmentItemModel::buddy(const QModelIndex& index) const +{ + if (index.column() == 0) { + return this->index(index.row(), index.column() + 1, index.parent()); + } + return index; +} + +void EnvironmentItemModel::appendVariable(const QString& key, + const QString& value) +{ + this->insertVariable(this->rowCount(), key, value); +} + +void EnvironmentItemModel::insertVariable(int row, const QString& key, + const QString& value) +{ + for (int i = 0; i < this->rowCount(); ++i) { + if (this->data(this->index(i, 0), Qt::DisplayRole) == key) { + this->setData(this->index(i, 1), value, Qt::DisplayRole); + return; + } + } + + auto* keyItem = new QStandardItem(key); + auto* valueItem = new QStandardItem(value); + this->insertRow(row, { keyItem, valueItem }); +} + +EnvironmentSearchFilter::EnvironmentSearchFilter(QObject* parent) + : QSortFilterProxyModel(parent) +{ +} + +bool EnvironmentSearchFilter::filterAcceptsRow(int row, + const QModelIndex& parent) const +{ + auto* model = this->sourceModel(); + auto key = + model->data(model->index(row, 0, parent), Qt::DisplayRole).toString(); + return key.contains(this->filterRegExp()); +} + +EnvironmentDialog::EnvironmentDialog(const QProcessEnvironment& environment, + QWidget* parent) + : QDialog(parent) +{ + this->setupUi(this); + + this->RemoveEntry->setEnabled(false); + + this->m_model = new EnvironmentItemModel(environment, this); + this->m_filter = new EnvironmentSearchFilter(this); + this->m_filter->setSourceModel(this->m_model); + this->Environment->setModel(this->m_filter); + + this->Environment->setUniformRowHeights(true); + this->Environment->setRootIsDecorated(false); + this->Environment->setSelectionMode(QAbstractItemView::ExtendedSelection); + this->Environment->setSelectionBehavior(QAbstractItemView::SelectRows); + + QObject::connect(this->AddEntry, &QToolButton::clicked, this, + &EnvironmentDialog::addEntry); + QObject::connect(this->RemoveEntry, &QToolButton::clicked, this, + &EnvironmentDialog::removeSelectedEntries); + QObject::connect(this->Search, &QLineEdit::textChanged, this->m_filter, + &EnvironmentSearchFilter::setFilterFixedString); + QObject::connect(this->Environment->selectionModel(), + &QItemSelectionModel::selectionChanged, this, + &EnvironmentDialog::selectionChanged); +} + +QProcessEnvironment EnvironmentDialog::environment() const +{ + return this->m_model->environment(); +} + +void EnvironmentDialog::addEntry() +{ + // Build the dialog manually because it's simple enough + QDialog dialog(this); + dialog.setWindowTitle("Add Environment Variable"); + + auto* layout = new QGridLayout; + dialog.setLayout(layout); + + auto* nameLabel = new QLabel; + nameLabel->setText("Name:"); + layout->addWidget(nameLabel, 0, 0); + + auto* nameEdit = new QLineEdit; + nameEdit->setObjectName("name"); + layout->addWidget(nameEdit, 0, 1); + + auto* valueLabel = new QLabel; + valueLabel->setText("Value:"); + layout->addWidget(valueLabel, 1, 0); + + auto* valueEdit = new QLineEdit; + valueEdit->setObjectName("value"); + layout->addWidget(valueEdit, 1, 1); + + auto* buttons = new QDialogButtonBox; + buttons->setStandardButtons(QDialogButtonBox::Ok | QDialogButtonBox::Cancel); + QObject::connect( + buttons, &QDialogButtonBox::accepted, &dialog, + [this, &dialog, nameEdit]() { + auto text = nameEdit->text(); + if (text.isEmpty()) { + QMessageBox::critical(&dialog, "Error", "Name must be non-empty."); + return; + } + + auto* model = this->Environment->model(); + for (int i = 0; i < model->rowCount(); ++i) { + if (model->data(model->index(i, 0), Qt::DisplayRole) == text) { + QMessageBox::critical( + &dialog, "Error", + tr("Environment variable \"%1\" already exists.").arg(text)); + return; + } + } + + dialog.accept(); + }); + QObject::connect(buttons, &QDialogButtonBox::rejected, &dialog, + &QDialog::reject); + layout->addWidget(buttons, 2, 0, 1, 2); + + if (dialog.exec() == QDialog::Accepted) { + this->m_model->insertVariable(0, nameEdit->text(), valueEdit->text()); + } +} + +void EnvironmentDialog::removeSelectedEntries() +{ + QModelIndexList idxs = this->Environment->selectionModel()->selectedRows(); + QList<QPersistentModelIndex> pidxs; + foreach (QModelIndex const& i, idxs) { + pidxs.append(i); + } + foreach (QPersistentModelIndex const& pi, pidxs) { + this->Environment->model()->removeRow(pi.row(), pi.parent()); + } +} + +void EnvironmentDialog::selectionChanged() +{ + auto selected = this->Environment->selectionModel()->selectedRows(); + this->RemoveEntry->setEnabled(!selected.isEmpty()); +} |