84 lines
2.7 KiB
C#
84 lines
2.7 KiB
C#
/*
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* Copyright (c) 2025 ETH Zürich, IT Services
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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using System;
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using System.Collections.Generic;
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using SafeExamBrowser.Core.Contracts.OperationModel;
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using SafeExamBrowser.Core.Contracts.OperationModel.Events;
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using SafeExamBrowser.I18n.Contracts;
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using SafeExamBrowser.Monitoring.Contracts.Display;
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using SafeExamBrowser.UserInterface.Contracts.MessageBox;
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namespace SafeExamBrowser.Runtime.Operations.Session
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{
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internal class DisplayMonitorOperation : SessionOperation
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{
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private readonly IDisplayMonitor displayMonitor;
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public override event StatusChangedEventHandler StatusChanged;
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public DisplayMonitorOperation(Dependencies dependencies, IDisplayMonitor displayMonitor) : base(dependencies)
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{
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this.displayMonitor = displayMonitor;
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}
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public override OperationResult Perform()
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{
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return CheckDisplayConfiguration();
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}
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public override OperationResult Repeat()
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{
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return CheckDisplayConfiguration();
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}
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public override OperationResult Revert()
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{
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return OperationResult.Success;
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}
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private OperationResult CheckDisplayConfiguration()
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{
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Logger.Info("Validating display configuration...");
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StatusChanged?.Invoke(TextKey.OperationStatus_ValidateDisplayConfiguration);
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var validation = displayMonitor.ValidateConfiguration(Context.Next.Settings.Display);
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var result = validation.IsAllowed ? OperationResult.Success : OperationResult.Failed;
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if (validation.IsAllowed)
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{
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Logger.Info("Display configuration is allowed.");
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}
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else
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{
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Logger.Error("Display configuration is not allowed!");
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ShowError(validation);
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}
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return result;
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}
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private void ShowError(ValidationResult validation)
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{
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var internalOnly = Text.Get(TextKey.MessageBox_DisplayConfigurationInternal);
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var internalOrExternal = Text.Get(TextKey.MessageBox_DisplayConfigurationInternalOrExternal);
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var message = TextKey.MessageBox_DisplayConfigurationError;
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var title = TextKey.MessageBox_DisplayConfigurationErrorTitle;
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var placeholders = new Dictionary<string, string>
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{
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{ "%%_ALLOWED_COUNT_%%", Convert.ToString(Context.Next.Settings.Display.AllowedDisplays) },
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{ "%%_EXTERNAL_COUNT_%%", Convert.ToString(validation.ExternalDisplays) },
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{ "%%_INTERNAL_COUNT_%%", Convert.ToString(validation.InternalDisplays) },
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{ "%%_TYPE_%%", Context.Next.Settings.Display.InternalDisplayOnly ? internalOnly : internalOrExternal }
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};
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ShowMessageBox(message, title, icon: MessageBoxIcon.Error, messagePlaceholders: placeholders);
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}
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}
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}
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