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path: root/src/plugins/mesonprojectmanager/toolssettingspage.cpp
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// Copyright (C) 2020 Alexis Jeandet.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0

#include "toolssettingspage.h"

#include "mesonpluginconstants.h"
#include "mesonprojectmanagertr.h"
#include "toolsmodel.h"

#include <coreplugin/dialogs/ioptionspage.h>

#include <utils/detailswidget.h>
#include <utils/layoutbuilder.h>

#include <QHeaderView>
#include <QPushButton>
#include <QTreeView>

using namespace Utils;

namespace MesonProjectManager::Internal {

class ToolTreeItem;

class ToolItemSettings final : public QWidget
{
    Q_OBJECT

public:
    ToolItemSettings()
    {
        m_mesonNameLineEdit = new QLineEdit;

        m_mesonPathChooser = new PathChooser;
        m_mesonPathChooser->setExpectedKind(PathChooser::ExistingCommand);
        m_mesonPathChooser->setHistoryCompleter("Meson.Command.History");

        using namespace Layouting;

        Form {
            Tr::tr("Name:"), m_mesonNameLineEdit, br,
            Tr::tr("Path:"), m_mesonPathChooser, br,
            noMargin
        }.attachTo(this);

        connect(m_mesonPathChooser, &PathChooser::rawPathChanged, this, &ToolItemSettings::store);
        connect(m_mesonNameLineEdit, &QLineEdit::textChanged, this, &ToolItemSettings::store);
    }

    void load(ToolTreeItem *item)
    {
        if (item) {
            m_currentId = std::nullopt;
            m_mesonNameLineEdit->setDisabled(item->isAutoDetected());
            m_mesonNameLineEdit->setText(item->name());
            m_mesonPathChooser->setDisabled(item->isAutoDetected());
            m_mesonPathChooser->setFilePath(item->executable());
            m_currentId = item->id();
        } else {
            m_currentId = std::nullopt;
        }
    }

    void store()
    {
        if (m_currentId) {
            emit applyChanges(*m_currentId,
                              m_mesonNameLineEdit->text(),
                              m_mesonPathChooser->filePath());
        }
    }

signals:
    void applyChanges(Id itemId, const QString &name, const FilePath &exe);

private:
    std::optional<Id> m_currentId{std::nullopt};
    QLineEdit *m_mesonNameLineEdit;
    PathChooser *m_mesonPathChooser;
};

class ToolsSettingsWidget final : public Core::IOptionsPageWidget
{
public:
    ToolsSettingsWidget();

private:
    void apply() final { m_model.apply(); }

    void cloneMesonTool();
    void removeMesonTool();
    void currentMesonToolChanged(const QModelIndex &newCurrent);

    ToolsModel m_model;
    ToolItemSettings *m_itemSettings;
    ToolTreeItem *m_currentItem = nullptr;

    QTreeView *m_mesonList;
    DetailsWidget *m_mesonDetails;
    QPushButton *m_cloneButton;
    QPushButton *m_removeButton;
};

ToolsSettingsWidget::ToolsSettingsWidget()
{
    m_mesonList = new QTreeView;
    m_mesonList->setModel(&m_model);
    m_mesonList->expandAll();
    m_mesonList->header()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
    m_mesonList->header()->setSectionResizeMode(1, QHeaderView::Stretch);

    m_itemSettings = new ToolItemSettings;

    m_mesonDetails = new DetailsWidget;
    m_mesonDetails->setState(DetailsWidget::NoSummary);
    m_mesonDetails->setVisible(false);
    m_mesonDetails->setWidget(m_itemSettings);

    auto addButton = new QPushButton(Tr::tr("Add"));

    m_cloneButton = new QPushButton(Tr::tr("Clone"));
    m_cloneButton->setEnabled(false);

    m_removeButton = new QPushButton(Tr::tr("Remove"));
    m_removeButton->setEnabled(false);

    auto makeDefaultButton = new QPushButton(Tr::tr("Make Default"));
    makeDefaultButton->setEnabled(false);
    makeDefaultButton->setVisible(false);
    makeDefaultButton->setToolTip(Tr::tr("Set as the default Meson executable to use "
                                         "when creating a new kit or when no value is set."));

    using namespace Layouting;

    Row {
        Column {
            m_mesonList,
            m_mesonDetails
        },
        Column {
            addButton,
            m_cloneButton,
            m_removeButton,
            makeDefaultButton,
            st
        }
    }.attachTo(this);

    connect(m_mesonList->selectionModel(), &QItemSelectionModel::currentChanged,
            this, &ToolsSettingsWidget::currentMesonToolChanged);
    connect(m_itemSettings, &ToolItemSettings::applyChanges, &m_model, &ToolsModel::updateItem);

    connect(addButton, &QPushButton::clicked, &m_model, &ToolsModel::addMesonTool);
    connect(m_cloneButton, &QPushButton::clicked, this, &ToolsSettingsWidget::cloneMesonTool);
    connect(m_removeButton, &QPushButton::clicked, this, &ToolsSettingsWidget::removeMesonTool);
}

void ToolsSettingsWidget::cloneMesonTool()
{
    if (m_currentItem) {
        auto newItem = m_model.cloneMesonTool(m_currentItem);
        m_mesonList->setCurrentIndex(newItem->index());
    }
}

void ToolsSettingsWidget::removeMesonTool()
{
    if (m_currentItem)
        m_model.removeMesonTool(m_currentItem);
}

void ToolsSettingsWidget::currentMesonToolChanged(const QModelIndex &newCurrent)
{
    m_currentItem = m_model.mesoneToolTreeItem(newCurrent);
    m_itemSettings->load(m_currentItem);
    m_mesonDetails->setVisible(m_currentItem);
    m_cloneButton->setEnabled(m_currentItem);
    m_removeButton->setEnabled(m_currentItem && !m_currentItem->isAutoDetected());
}

class ToolsSettingsPage final : public Core::IOptionsPage
{
public:
    ToolsSettingsPage()
    {
        setId(Constants::SettingsPage::TOOLS_ID);
        setDisplayName(Tr::tr("Tools"));
        setCategory(Constants::SettingsPage::CATEGORY);
        setWidgetCreator([]() { return new ToolsSettingsWidget; });
    }
};

void setupToolsSettingsPage()
{
    static ToolsSettingsPage theToolsSettingsPage;
}

} // namespace MesonProjectManager

#include "toolssettingspage.moc"