HackStudio: Project templates and New Project dialog

This commit adds a simple project template system to HackStudio,
as well as a pretty New Project dialog, inspired by early VS.NET
and MS Office.

Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.cpp

@@ -0,0 +1,244 @@
+/*
+ * Copyright (c) 2021, Nick Vella <nick@nxk.io>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "NewProjectDialog.h"
+#include "ProjectTemplatesModel.h"
+#include <DevTools/HackStudio/Dialogs/NewProjectDialogGML.h>
+#include <DevTools/HackStudio/ProjectTemplate.h>
+
+#include <AK/LexicalPath.h>
+#include <AK/String.h>
+#include <LibCore/File.h>
+#include <LibGUI/BoxLayout.h>
+#include <LibGUI/Button.h>
+#include <LibGUI/FilePicker.h>
+#include <LibGUI/IconView.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/MessageBox.h>
+#include <LibGUI/RadioButton.h>
+#include <LibGUI/TextBox.h>
+#include <LibGUI/Widget.h>
+#include <LibGfx/Font.h>
+#include <LibGfx/FontDatabase.h>
+#include <LibRegex/Regex.h>
+
+namespace HackStudio {
+
+static const Regex<PosixExtended> s_project_name_validity_regex("^([A-Za-z0-9_-])*$");
+
+int NewProjectDialog::show(GUI::Window* parent_window)
+{
+    auto dialog = NewProjectDialog::construct(parent_window);
+
+    if (parent_window)
+        dialog->set_icon(parent_window->icon());
+
+    auto result = dialog->exec();
+
+    return result;
+}
+
+NewProjectDialog::NewProjectDialog(GUI::Window* parent)
+    : Dialog(parent)
+    , m_model(ProjectTemplatesModel::create())
+{
+    resize(500, 385);
+    center_on_screen();
+    set_resizable(false);
+    set_modal(true);
+    set_title("New project");
+
+    auto& main_widget = set_main_widget<GUI::Widget>();
+    main_widget.load_from_gml(new_project_dialog_gml);
+
+    m_icon_view_container = *main_widget.find_descendant_of_type_named<GUI::Widget>("icon_view_container");
+    m_icon_view = m_icon_view_container->add<GUI::IconView>();
+    m_icon_view->set_always_wrap_item_labels(true);
+    m_icon_view->set_model(m_model);
+    m_icon_view->set_model_column(ProjectTemplatesModel::Column::Name);
+    m_icon_view->on_selection_change = [&]() {
+        update_dialog();
+    };
+    m_icon_view->on_activation = [&]() {
+        if (m_input_valid)
+            do_create_project();
+    };
+
+    m_description_label = *main_widget.find_descendant_of_type_named<GUI::Label>("description_label");
+    m_name_input = *main_widget.find_descendant_of_type_named<GUI::TextBox>("name_input");
+    m_name_input->on_change = [&]() {
+        update_dialog();
+    };
+    m_name_input->on_return_pressed = [&]() {
+        if (m_input_valid)
+            do_create_project();
+    };
+    m_create_in_input = *main_widget.find_descendant_of_type_named<GUI::TextBox>("create_in_input");
+    m_create_in_input->on_change = [&]() {
+        update_dialog();
+    };
+    m_create_in_input->on_return_pressed = [&]() {
+        if (m_input_valid)
+            do_create_project();
+    };
+    m_full_path_label = *main_widget.find_descendant_of_type_named<GUI::Label>("full_path_label");
+
+    m_ok_button = *main_widget.find_descendant_of_type_named<GUI::Button>("ok_button");
+    m_ok_button->on_click = [this](auto) {
+        do_create_project();
+    };
+
+    m_cancel_button = *main_widget.find_descendant_of_type_named<GUI::Button>("cancel_button");
+    m_cancel_button->on_click = [this](auto) {
+        done(ExecResult::ExecCancel);
+    };
+
+    m_browse_button = *find_descendant_of_type_named<GUI::Button>("browse_button");
+    m_browse_button->on_click = [this](auto) {
+        Optional<String> path = GUI::FilePicker::get_open_filepath(this);
+        if (path.has_value())
+            m_create_in_input->set_text(path.value().view());
+    };
+}
+
+NewProjectDialog::~NewProjectDialog()
+{
+}
+
+RefPtr<ProjectTemplate> NewProjectDialog::selected_template()
+{
+    if (m_icon_view->selection().is_empty()) {
+        return {};
+    }
+
+    auto project_template = m_model->template_for_index(m_icon_view->selection().first());
+    ASSERT(!project_template.is_null());
+
+    return project_template;
+}
+
+void NewProjectDialog::update_dialog()
+{
+    auto project_template = selected_template();
+    m_input_valid = true;
+
+    if (project_template) {
+        m_description_label->set_text(project_template->description());
+    } else {
+        m_description_label->set_text("Select a project template to continue.");
+        m_input_valid = false;
+    }
+
+    auto maybe_project_path = get_project_full_path();
+
+    if (maybe_project_path.has_value()) {
+        m_full_path_label->set_text(maybe_project_path.value());
+    } else {
+        m_full_path_label->set_text("Invalid name or creation directory.");
+        m_input_valid = false;
+    }
+
+    m_ok_button->set_enabled(m_input_valid);
+}
+
+Optional<String> NewProjectDialog::get_available_project_name()
+{
+    auto create_in = m_create_in_input->text();
+    auto chosen_name = m_name_input->text();
+
+    // Ensure project name isn't empty or entirely whitespace
+    if (chosen_name.is_empty() || chosen_name.is_whitespace())
+        return {};
+
+    // Validate project name with validity regex
+    if (!s_project_name_validity_regex.has_match(chosen_name))
+        return {};
+
+    if (!Core::File::exists(create_in) || !Core::File::is_directory(create_in))
+        return {};
+
+    // Check for up-to 999 variations of the project name, in case it's already taken
+    for (int i = 0; i < 1000; i++) {
+        auto candidate = (i == 0)
+            ? chosen_name
+            : String::formatted("{}-{}", chosen_name, i);
+
+        if (!Core::File::exists(String::formatted("{}/{}", create_in, candidate)))
+            return candidate;
+    }
+
+    return {};
+}
+
+Optional<String> NewProjectDialog::get_project_full_path()
+{
+    // Do not permit forward-slashes in project names
+    if (m_name_input->text().contains("/"))
+        return {};
+
+    auto create_in = m_create_in_input->text();
+    auto maybe_project_name = get_available_project_name();
+
+    if (!maybe_project_name.has_value()) {
+        return {};
+    }
+
+    auto project_name = maybe_project_name.value();
+    auto full_path = LexicalPath(String::formatted("{}/{}", create_in, project_name));
+
+    // Do not permit otherwise invalid paths.
+    if (!full_path.is_valid())
+        return {};
+
+    return full_path.string();
+}
+
+void NewProjectDialog::do_create_project()
+{
+    auto project_template = selected_template();
+    if (!project_template) {
+        GUI::MessageBox::show_error(this, "Could not create project: no template selected.");
+        return;
+    }
+
+    auto maybe_project_name = get_available_project_name();
+    auto maybe_project_full_path = get_project_full_path();
+    if (!maybe_project_name.has_value() || !maybe_project_full_path.has_value()) {
+        GUI::MessageBox::show_error(this, "Could not create project: invalid project name or path.");
+        return;
+    }
+
+    auto creation_result = project_template->create_project(maybe_project_name.value(), maybe_project_full_path.value());
+    if (!creation_result.is_error()) {
+        // Succesfully created, attempt to open the new project
+        m_created_project_path = maybe_project_full_path.value();
+        done(ExecResult::ExecOK);
+    } else {
+        GUI::MessageBox::show_error(this, String::formatted("Could not create project: {}", creation_result.error()));
+    }
+}
+
+}

Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.gml

@@ -0,0 +1,115 @@
+@GUI::Widget {
+    fill_with_background_color: true
+
+    layout: @GUI::VerticalBoxLayout {
+        margins: [4, 4, 4, 4]
+    }
+
+    @GUI::Label {
+        text: "Templates:"
+        text_alignment: "CenterLeft"
+        max_height: 20
+    }
+
+    @GUI::Widget {
+        layout: @GUI::VerticalBoxLayout {
+        }
+
+        name: "icon_view_container"
+    }
+
+    @GUI::Label {
+        name: "description_label"
+        text_alignment: "CenterLeft"
+        thickness: 2
+        shadow: "Sunken"
+        shape: "Container"
+        max_height: 24
+    }
+
+    @GUI::Widget {
+        layout: @GUI::HorizontalBoxLayout {
+        }
+        
+        max_height: 24
+
+        @GUI::Label {
+            text: "Name:"
+            text_alignment: "CenterLeft"
+            max_width: 75
+        }
+
+        @GUI::TextBox {
+            name: "name_input"
+        }
+    }
+    
+    @GUI::Widget {
+        layout: @GUI::HorizontalBoxLayout {
+        }
+        
+        max_height: 24
+
+        @GUI::Label {
+            text: "Create in:"
+            text_alignment: "CenterLeft"
+            max_width: 75
+        }
+
+        @GUI::TextBox {
+            name: "create_in_input"
+            text: "/home/anon/Source"
+        }
+        
+        @GUI::Button {
+            name: "browse_button"
+            text: "Browse"
+            max_width: 75
+        }
+    }
+
+    @GUI::Widget {
+        layout: @GUI::HorizontalBoxLayout {
+        }
+        
+        max_height: 24
+
+        @GUI::Label {
+            text: "Full path:"
+            text_alignment: "CenterLeft"
+            max_width: 75
+        }
+
+        @GUI::Label {
+            name: "full_path_label"
+            text_alignment: "CenterLeft"
+            text: ""
+            thickness: 2
+            shadow: "Sunken"
+            shape: "Container"
+            max_height: 22
+        }
+    }
+    
+    @GUI::Widget {
+        layout: @GUI::HorizontalBoxLayout {
+        }
+        
+        max_height: 24
+
+        @GUI::Widget {
+        }
+        
+        @GUI::Button {
+            name: "ok_button"
+            text: "OK"
+            max_width: 75
+        }
+        
+        @GUI::Button {
+            name: "cancel_button"
+            text: "Cancel"
+            max_width: 75
+        }
+    }
+}

Userland/DevTools/HackStudio/Dialogs/NewProjectDialog.h

@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2021, Nick Vella <nick@nxk.io>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "ProjectTemplatesModel.h"
+#include <DevTools/HackStudio/ProjectTemplate.h>
+
+#include <AK/Result.h>
+#include <AK/Vector.h>
+#include <LibGUI/Button.h>
+#include <LibGUI/Dialog.h>
+#include <LibGUI/Label.h>
+#include <LibGUI/TextBox.h>
+
+namespace HackStudio {
+
+class NewProjectDialog : public GUI::Dialog {
+    C_OBJECT(NewProjectDialog);
+
+public:
+    static int show(GUI::Window* parent_window);
+
+    Optional<String> created_project_path() const { return m_created_project_path; }
+
+private:
+    NewProjectDialog(GUI::Window* parent);
+    virtual ~NewProjectDialog() override;
+
+    void update_dialog();
+    Optional<String> get_available_project_name();
+    Optional<String> get_project_full_path();
+
+    void do_create_project();
+
+    RefPtr<ProjectTemplate> selected_template();
+
+    NonnullRefPtr<ProjectTemplatesModel> m_model;
+    bool m_input_valid { false };
+
+    RefPtr<GUI::Widget> m_icon_view_container;
+    RefPtr<GUI::IconView> m_icon_view;
+
+    RefPtr<GUI::Label> m_description_label;
+    RefPtr<GUI::TextBox> m_name_input;
+    RefPtr<GUI::TextBox> m_create_in_input;
+    RefPtr<GUI::Label> m_full_path_label;
+
+    RefPtr<GUI::Button> m_ok_button;
+    RefPtr<GUI::Button> m_cancel_button;
+    RefPtr<GUI::Button> m_browse_button;
+
+    Optional<String> m_created_project_path;
+};
+
+}

Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp

@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2021, Nick Vella <nick@nxk.io>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "ProjectTemplatesModel.h"
+
+#include <AK/LexicalPath.h>
+#include <AK/QuickSort.h>
+#include <LibCore/DirIterator.h>
+#include <LibGUI/Icon.h>
+#include <LibGUI/Variant.h>
+#include <LibGfx/TextAlignment.h>
+#include <ctype.h>
+#include <stdio.h>
+
+namespace HackStudio {
+
+ProjectTemplatesModel::ProjectTemplatesModel()
+    : m_templates()
+    , m_mapping()
+{
+    auto watcher_or_error = Core::FileWatcher::watch(ProjectTemplate::templates_path());
+    if (!watcher_or_error.is_error()) {
+        m_file_watcher = watcher_or_error.release_value();
+        m_file_watcher->on_change = [&](auto) {
+            update();
+        };
+    } else {
+        warnln("Unable to watch templates directory, templates will not automatically refresh. Error: {}", watcher_or_error.error());
+    }
+
+    rescan_templates();
+}
+
+ProjectTemplatesModel::~ProjectTemplatesModel()
+{
+}
+
+int ProjectTemplatesModel::row_count(const GUI::ModelIndex&) const
+{
+    return m_mapping.size();
+}
+
+int ProjectTemplatesModel::column_count(const GUI::ModelIndex&) const
+{
+    return Column::__Count;
+}
+
+String ProjectTemplatesModel::column_name(int column) const
+{
+    switch (column) {
+    case Column::Icon:
+        return "Icon";
+    case Column::Id:
+        return "ID";
+    case Column::Name:
+        return "Name";
+    }
+    ASSERT_NOT_REACHED();
+}
+
+GUI::Variant ProjectTemplatesModel::data(const GUI::ModelIndex& index, GUI::ModelRole role) const
+{
+    if (static_cast<size_t>(index.row()) >= m_mapping.size())
+        return {};
+
+    if (role == GUI::ModelRole::TextAlignment)
+        return Gfx::TextAlignment::CenterLeft;
+
+    if (role == GUI::ModelRole::Display) {
+        switch (index.column()) {
+        case Column::Name:
+            return m_mapping[index.row()]->name();
+        case Column::Id:
+            return m_mapping[index.row()]->id();
+        }
+    }
+
+    if (role == GUI::ModelRole::Icon) {
+        return m_mapping[index.row()]->icon();
+    }
+
+    return {};
+}
+
+RefPtr<ProjectTemplate> ProjectTemplatesModel::template_for_index(const GUI::ModelIndex& index)
+{
+    if (static_cast<size_t>(index.row()) >= m_mapping.size())
+        return {};
+
+    return m_mapping[index.row()];
+}
+
+void ProjectTemplatesModel::update()
+{
+    rescan_templates();
+    did_update();
+}
+
+void ProjectTemplatesModel::rescan_templates()
+{
+    m_templates.clear();
+
+    // Iterate over template manifest INI files in the templates path
+    Core::DirIterator di(ProjectTemplate::templates_path(), Core::DirIterator::SkipDots);
+    if (di.has_error()) {
+        warnln("DirIterator: {}", di.error_string());
+        return;
+    }
+
+    while (di.has_next()) {
+        auto full_path = LexicalPath(di.next_full_path());
+        if (!full_path.has_extension(".ini"))
+            continue;
+
+        auto project_template = ProjectTemplate::load_from_manifest(full_path.string());
+        if (!project_template) {
+            warnln("Template manifest {} is invalid.", full_path.string());
+            continue;
+        }
+
+        m_templates.append(project_template.release_nonnull());
+    }
+
+    // Enumerate the loaded projects into a sorted mapping, by priority value descending.
+    m_mapping.clear();
+    for (auto& project_template : m_templates)
+        m_mapping.append(&project_template);
+    quick_sort(m_mapping, [](auto a, auto b) {
+        return a->priority() > b->priority();
+    });
+}
+
+}

Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.h

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2021, Nick Vella <nick@nxk.io>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/NonnullPtrVector.h>
+#include <AK/RefPtr.h>
+#include <AK/WeakPtr.h>
+#include <DevTools/HackStudio/ProjectTemplate.h>
+#include <LibCore/FileWatcher.h>
+#include <LibGUI/Model.h>
+
+namespace HackStudio {
+
+class ProjectTemplatesModel final : public GUI::Model {
+public:
+    static NonnullRefPtr<ProjectTemplatesModel> create()
+    {
+        return adopt(*new ProjectTemplatesModel());
+    }
+
+    enum Column {
+        Icon = 0,
+        Id,
+        Name,
+        __Count
+    };
+
+    virtual ~ProjectTemplatesModel() override;
+
+    RefPtr<ProjectTemplate> template_for_index(const GUI::ModelIndex& index);
+
+    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
+    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
+    virtual String column_name(int) const override;
+    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;
+    virtual void update() override;
+
+    void rescan_templates();
+
+private:
+    explicit ProjectTemplatesModel();
+
+    NonnullRefPtrVector<ProjectTemplate> m_templates;
+    Vector<ProjectTemplate*> m_mapping;
+
+    RefPtr<Core::FileWatcher> m_file_watcher;
+};
+
+}