Reorganized the UI/xml part to better handle next steps
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emeric
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/*
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* Copyright (C) 2018 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Wt/WString>
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#include <Wt/WPushButton>
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#include <Wt/WComboBox>
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#include <Wt/WMessageBox>
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#include <Wt/WLineEdit>
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#include <Wt/WFormModel>
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#include <Wt/WStringListModel>
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#include "common/Validators.hpp"
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#include "database/MediaDirectory.hpp"
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#include "scanner/MediaScanner.hpp"
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#include "utils/Logger.hpp"
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#include "LmsApplication.hpp"
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#include "DatabaseSettingsView.hpp"
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namespace UserInterface {
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using namespace Database;
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class DatabaseSettingsModel : public Wt::WFormModel
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{
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public:
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// Associate each field with a unique string literal.
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static const Field MediaDirectoryField;
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static const Field UpdatePeriodField;
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static const Field UpdateStartTimeField;
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DatabaseSettingsModel(Wt::WObject *parent = 0)
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: Wt::WFormModel(parent)
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{
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initializeModels();
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addField(MediaDirectoryField);
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addField(UpdatePeriodField);
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addField(UpdateStartTimeField);
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DirectoryValidator* dirValidator = new DirectoryValidator();
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dirValidator->setMandatory(true);
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setValidator(MediaDirectoryField, dirValidator);
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setValidator(UpdatePeriodField, createMandatoryValidator());
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setValidator(UpdateStartTimeField, createMandatoryValidator());
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// populate the model with initial data
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loadData();
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}
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Wt::WAbstractItemModel *updatePeriodModel() { return _updatePeriodModel; }
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Wt::WAbstractItemModel *updateStartTimeModel() { return _updateStartTimeModel; }
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void loadData()
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{
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using namespace Database;
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Wt::Dbo::Transaction transaction(DboSession());
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std::vector<MediaDirectory::pointer> mediaDirectories = MediaDirectory::getAll(DboSession());
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if (!mediaDirectories.empty())
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setValue(MediaDirectoryField, mediaDirectories.front()->getPath().string());
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auto periodRow = getUpdatePeriodModelRow( Scanner::getUpdatePeriod(DboSession()) );
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if (periodRow)
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setValue(UpdatePeriodField, updatePeriodString(*periodRow));
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auto startTimeRow = getUpdateStartTimeModelRow( Scanner::getUpdateStartTime(DboSession()) );
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if (startTimeRow)
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setValue(UpdateStartTimeField, updateStartTimeString(*startTimeRow) );
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}
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void saveData()
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{
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Wt::Dbo::Transaction transaction(DboSession());
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MediaDirectory::eraseAll(DboSession());
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MediaDirectory::create(DboSession(), boost::any_cast<Wt::WString>(value(MediaDirectoryField)).toUTF8());
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auto updatePeriodRow = getUpdatePeriodModelRow( boost::any_cast<Wt::WString>(value(UpdatePeriodField)));
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assert(updatePeriodRow);
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Scanner::setUpdatePeriod(DboSession(), updatePeriod(*updatePeriodRow));
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auto startTimeRow = getUpdateStartTimeModelRow( boost::any_cast<Wt::WString>(value(UpdateStartTimeField)));
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assert(startTimeRow);
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Scanner::setUpdateStartTime(DboSession(), updateStartTime(*startTimeRow));
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}
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boost::optional<int> getUpdatePeriodModelRow(Wt::WString value)
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{
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for (int i = 0; i < _updatePeriodModel->rowCount(); ++i)
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{
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if (updatePeriodString(i) == value)
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return i;
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}
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return boost::none;
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}
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boost::optional<int> getUpdatePeriodModelRow(Scanner::UpdatePeriod period)
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{
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for (int i = 0; i < _updatePeriodModel->rowCount(); ++i)
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{
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if (updatePeriod(i) == period)
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return i;
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}
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return boost::none;
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}
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Scanner::UpdatePeriod updatePeriod(int row)
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{
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return boost::any_cast<Scanner::UpdatePeriod>
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(_updatePeriodModel->data(_updatePeriodModel->index(row, 0), Wt::UserRole));
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}
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Wt::WString updatePeriodString(int row)
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{
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return boost::any_cast<Wt::WString>
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(_updatePeriodModel->data(_updatePeriodModel->index(row, 0), Wt::DisplayRole));
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}
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boost::optional<int> getUpdateStartTimeModelRow(Wt::WString value)
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{
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for (int i = 0; i < _updateStartTimeModel->rowCount(); ++i)
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{
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if (updateStartTimeString(i) == value)
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return i;
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}
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return boost::none;
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}
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boost::optional<int> getUpdateStartTimeModelRow(boost::posix_time::time_duration startTime)
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{
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for (int i = 0; i < _updateStartTimeModel->rowCount(); ++i)
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{
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if (updateStartTime(i) == startTime)
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return i;
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}
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return boost::none;
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}
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boost::posix_time::time_duration updateStartTime(int row)
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{
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return boost::any_cast<boost::posix_time::time_duration>
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(_updateStartTimeModel->data(_updateStartTimeModel->index(row, 0), Wt::UserRole));
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}
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Wt::WString updateStartTimeString(int row)
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{
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return boost::any_cast<Wt::WString>
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(_updateStartTimeModel->data(_updateStartTimeModel->index(row, 0), Wt::DisplayRole));
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}
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private:
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void initializeModels() {
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_updatePeriodModel = new Wt::WStringListModel(this);
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_updatePeriodModel->addString(Wt::WString::tr("Lms.Admin.Database.never"));
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_updatePeriodModel->setData(0, 0, Scanner::UpdatePeriod::Never, Wt::UserRole);
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_updatePeriodModel->addString(Wt::WString::tr("Lms.Admin.Database.daily"));
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_updatePeriodModel->setData(1, 0, Scanner::UpdatePeriod::Daily, Wt::UserRole);
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_updatePeriodModel->addString(Wt::WString::tr("Lms.Admin.Database.weekly"));
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_updatePeriodModel->setData(2, 0, Scanner::UpdatePeriod::Weekly, Wt::UserRole);
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_updatePeriodModel->addString(Wt::WString::tr("Lms.Admin.Database.monthly"));
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_updatePeriodModel->setData(3, 0, Scanner::UpdatePeriod::Monthly, Wt::UserRole);
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_updateStartTimeModel = new Wt::WStringListModel(this);
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for (std::size_t i = 0; i < 24; ++i)
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{
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boost::posix_time::time_duration dur = boost::posix_time::hours(i);
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boost::posix_time::time_facet* facet = new boost::posix_time::time_facet("%H:%M");
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facet->time_duration_format("%H:%M");
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std::ostringstream oss;
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oss.imbue(std::locale(oss.getloc(), facet));
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oss << dur;
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_updateStartTimeModel->addString( oss.str() );
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_updateStartTimeModel->setData(i, 0, dur, Wt::UserRole);
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}
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}
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Wt::WStringListModel* _updatePeriodModel;
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Wt::WStringListModel* _updateStartTimeModel;
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};
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const Wt::WFormModel::Field DatabaseSettingsModel::MediaDirectoryField = "media-directory";
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const Wt::WFormModel::Field DatabaseSettingsModel::UpdatePeriodField = "update-period";
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const Wt::WFormModel::Field DatabaseSettingsModel::UpdateStartTimeField = "update-start-time";
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DatabaseSettingsView::DatabaseSettingsView(Wt::WContainerWidget *parent)
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: Wt::WTemplateFormView(parent)
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{
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auto model = new DatabaseSettingsModel(this);
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setTemplateText(tr("Lms.Admin.Database.template"));
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addFunction("tr", &WTemplate::Functions::tr);
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addFunction("id", &WTemplate::Functions::id);
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// Media Directory
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Wt::WLineEdit *mediaDirectoryEdit = new Wt::WLineEdit();
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setFormWidget(DatabaseSettingsModel::MediaDirectoryField, mediaDirectoryEdit);
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// Update Period
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Wt::WComboBox *updatePeriodCB = new Wt::WComboBox();
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setFormWidget(DatabaseSettingsModel::UpdatePeriodField, updatePeriodCB);
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updatePeriodCB->setModel(model->updatePeriodModel());
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// Update Start Time
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Wt::WComboBox *updateStartTimeCB = new Wt::WComboBox();
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setFormWidget(DatabaseSettingsModel::UpdateStartTimeField, updateStartTimeCB);
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updateStartTimeCB->setModel(model->updateStartTimeModel());
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// Buttons
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Wt::WPushButton *saveBtn = new Wt::WPushButton(Wt::WString::tr("Lms.apply"));
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bindWidget("apply-btn", saveBtn);
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Wt::WPushButton *discardBtn = new Wt::WPushButton(Wt::WString::tr("Lms.discard"));
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bindWidget("discard-btn", discardBtn);
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Wt::WPushButton *immScanBtn = new Wt::WPushButton(Wt::WString::tr("Lms.Admin.Database.immediate-scan"));
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bindWidget("immediate-scan-btn", immScanBtn);
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saveBtn->clicked().connect(std::bind([=] ()
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{
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updateModel(model);
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if (model->validate())
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{
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model->saveData();
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LmsApp->getMediaScanner().reschedule();
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LmsApp->notify(Wt::WString::tr("Lms.Admin.Database.settings-saved"));
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}
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// Udate the view: Delete any validation message in the view, etc.
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updateView(model);
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}));
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discardBtn->clicked().connect(std::bind([=] ()
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{
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model->loadData();
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model->validate();
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updateView(model);
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}));
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immScanBtn->clicked().connect(std::bind([=] ()
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{
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LmsApp->getMediaScanner().scheduleImmediateScan();
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LmsApp->notify(Wt::WString::tr("Lms.Admin.Database.scan-launched"));
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}));
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updateView(model);
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}
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} // namespace UserInterface
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