mattercontrol/History/PrintHistoryData.cs

/*
Copyright (c) 2014, Kevin Pope
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 OWNER 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.

The views and conclusions contained in the software and documentation are those
of the authors and should not be interpreted as representing official policies,
either expressed or implied, of the FreeBSD Project.
*/

using MatterHackers.Agg;
using MatterHackers.Agg.UI;
using MatterHackers.Localizations;
using MatterHackers.MatterControl.DataStorage;
using MatterHackers.MatterControl.PrinterCommunication;
using MatterHackers.MatterControl.PrintQueue;
using MatterHackers.MatterControl.SlicerConfiguration;
using System;
using System.Collections.Generic;
using System.IO;

namespace MatterHackers.MatterControl.PrintHistory
{
	public static class ResumePrinting
	{
		static string resumePrint = "Resume Print".Localize();
		static string cancelResume = "Cancel".Localize();
		static string resumeFailedPrintMessage = "It appears your last print failed to complete.\n\nWould your like to attempt to resume from the last know position?".Localize();
		static string resumeFailedPrintTitle = "Resume Last Print".Localize();
		static PrintTask lastPrintTask;

        public static void CheckIfNeedToResumePrint(object sender, EventArgs e)
		{
			foreach (PrintTask lastPrint in PrintHistoryData.Instance.GetHistoryItems(1))
			{
				if (!lastPrint.PrintComplete // Top Print History Item is not complete
				&& !string.IsNullOrEmpty(lastPrint.PrintingGCodeFileName) // PrintingGCodeFileName is set
				&& File.Exists(lastPrint.PrintingGCodeFileName) // PrintingGCodeFileName is still on disk
				&& lastPrint.PercentDone > 0 // we are actually part way into the print
				&& ActiveSliceSettings.Instance.GetValue(SettingsKey.has_hardware_leveling) == "0")
                {
					lastPrintTask = lastPrint;
                    StyledMessageBox.ShowMessageBox(ResumeFailedPrintProcessDialogResponse, resumeFailedPrintMessage, resumeFailedPrintTitle, StyledMessageBox.MessageType.YES_NO, resumePrint, cancelResume);
				}
			}
		}

		private static void ResumeFailedPrintProcessDialogResponse(bool messageBoxResponse)
		{
			if (messageBoxResponse)
			{
				UiThread.RunOnIdle(() =>
				{
					if (PrinterConnectionAndCommunication.Instance.CommunicationState == PrinterConnectionAndCommunication.CommunicationStates.Connected)
					{
						PrinterConnectionAndCommunication.Instance.CommunicationState = PrinterConnectionAndCommunication.CommunicationStates.PreparingToPrint;
						PrinterConnectionAndCommunication.Instance.StartPrint(lastPrintTask.PrintingGCodeFileName, lastPrintTask);
					}
				});
			}
			else // the resume has been canceled
			{
				lastPrintTask.PrintingGCodeFileName = null;
				lastPrintTask.Commit();
			}
		}

	}

	public class PrintHistoryData
	{
		public static readonly int RecordLimit = 20;
		public RootedObjectEventHandler HistoryCleared = new RootedObjectEventHandler();
		public bool ShowTimestamp;
		private static PrintHistoryData instance;

		private static event EventHandler unregisterEvents;

		public static PrintHistoryData Instance
		{
			get
			{
				if (instance == null)
				{
					instance = new PrintHistoryData();
					PrinterConnectionAndCommunication.Instance.ConnectionSucceeded.RegisterEvent(ResumePrinting.CheckIfNeedToResumePrint, ref unregisterEvents);
                }
				return instance;
			}
		}

		public IEnumerable<DataStorage.PrintTask> GetHistoryItems(int recordCount)
		{
			string query;
			if (UserSettings.Instance.get("PrintHistoryFilterShowCompleted") == "true")
			{
				query = string.Format("SELECT * FROM PrintTask WHERE PrintComplete = 1 ORDER BY PrintStart DESC LIMIT {0};", recordCount);
			}
			else
			{
				query = string.Format("SELECT * FROM PrintTask ORDER BY PrintStart DESC LIMIT {0};", recordCount);
			}

			return Datastore.Instance.dbSQLite.Query<PrintTask>(query);
		}

		internal void ClearHistory()
		{
			Datastore.Instance.dbSQLite.ExecuteScalar<PrintTask>("DELETE FROM PrintTask;");
			HistoryCleared.CallEvents(this, null);
		}
	}
}