Exemplo n.º 1
0
        /// <summary>
        /// Send an encryption report to the scanner and show the results...
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void m_buttonGetEncryptionReport_Click(object sender, EventArgs e)
        {
            bool       blSuccess;
            long       lJsonErrorIndex = 0;
            ApiCmd     apicmd;
            JsonLookup jsonlookup;

            // Issue the command...
            apicmd = new ApiCmd(m_dnssddeviceinfo);
            m_twainlocalscannerclient.ClientScannerSendTask("{\"actions\":[{\"action\":\"encryptionReport\"}]}", ref apicmd);
            blSuccess = m_twainlocalscannerclient.ClientCheckForApiErrors("ClientScannerSendTask", ref apicmd);
            if (!blSuccess)
            {
                MessageBox.Show("Command failed...", Config.GetResource(m_resourcemanager, "strFormScanTitle"));
                return;
            }

            // Parse the JSON...
            jsonlookup = new JsonLookup();
            blSuccess  = jsonlookup.Load(apicmd.GetHttpResponseData(), out lJsonErrorIndex);
            if (!blSuccess)
            {
                MessageBox.Show("JSON error at: " + lJsonErrorIndex, Config.GetResource(m_resourcemanager, "strFormScanTitle"));
                return;
            }

            // Show the result...
            string szTask = jsonlookup.Get("results.session.task");

            if (!string.IsNullOrEmpty(szTask))
            {
                MessageBox.Show(szTask, Config.GetResource(m_resourcemanager, "strFormScanTitle"));
            }
        }
Exemplo n.º 2
0
        ///////////////////////////////////////////////////////////////////////////////
        // Protected Methods (ServiceBase overrides)...
        ///////////////////////////////////////////////////////////////////////////////
        #region Protected Methods (ServiceBase overrides)...

        /// <summary>
        /// Register...
        ///
        /// TBD: Obviously this needs a way to communicate with
        /// the user other than console stuff, so fix that...
        /// </summary>
        /// <param name="a_iCommand"></param>
        protected override void OnCustomCommand(int a_iCommand)
        {
            int        iScanner;
            long       lResponseCharacterOffset;
            string     szScanners;
            string     szNumber;
            string     szText;
            JsonLookup jsonlookup;
            ApiCmd     apicmd;

            // Turn the buttons off...
            Display("Looking for Scanners...");

            // Get the list of scanners...
            szScanners = m_scanner.GetAvailableScanners("getproductnames", "");
            if (szScanners == null)
            {
                Display("No scanners found...");
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display("No scanners found...");
                return;
            }

            // Show all the scanners, and then ask for the number of
            // the one to use as the new default...
            szText = "";
            for (iScanner = 0; ; iScanner++)
            {
                // Get the next scanner...
                string szScanner = jsonlookup.Get("scanners[" + iScanner + "].twidentityProductName");
                if (string.IsNullOrEmpty(szScanner))
                {
                    szScanner = jsonlookup.Get("scanners[" + iScanner + "].sane");
                }

                // We're out of stuff...
                if (string.IsNullOrEmpty(szScanner))
                {
                    break;
                }

                // If this is the current default, make a note of it...
                if (m_scanner.GetTwainLocalTy() == szScanner)
                {
                    szText = (iScanner + 1) + ": " + szScanner + " ***DEFAULT***";
                    Display(szText);
                }
                // Otherwise, just list it...
                else
                {
                    Display((iScanner + 1) + ": " + szScanner);
                }
            }

            // Finish the text for the prompt...
            if (string.IsNullOrEmpty(szText))
            {
                szText =
                    "Enter a number from 1 to " + iScanner + Environment.NewLine +
                    "(there is no current default)";
            }
            else
            {
                szText =
                    "Enter a number from 1 to " + iScanner + Environment.NewLine +
                    szText;
            }

            // Select the default...
            int iNumber = 0;

            for (; ;)
            {
                // Prompt the user...
                szNumber = "";
                bool blOk = InputBox
                            (
                    "Select Default Scanner",
                    szText,
                    ref szNumber
                            );

                // The user wants out...
                if (!blOk)
                {
                    Display("Canceled...");
                    break;
                }

                // Check the result...
                if (!int.TryParse(szNumber, out iNumber))
                {
                    Display("Please enter a number in the range 1 to " + iScanner);
                    continue;
                }

                // Check the range...
                if ((iNumber < 1) || (iNumber > iScanner))
                {
                    Display("Please enter a number in the range 1 to " + iScanner);
                    continue;
                }

                // We have what we want...
                break;
            }

            // Do a deep inquiry on the selected scanner...
            szScanners = m_scanner.GetAvailableScanners("getinquiry", jsonlookup.Get("scanners[" + (iScanner - 1) + "].twidentityProductName"));
            if (szScanners == null)
            {
                Display("We are unable to use the selected scanner...");
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display("We are unable to use the selected scanner...");
                return;
            }

            // See if the user wants to update their note...
            string szNote = m_scanner.GetTwainLocalNote();

            if ((iNumber >= 1) && (iNumber <= iScanner))
            {
                bool blOk = InputBox
                            (
                    "Enter Note",
                    "Your current note is: " + m_scanner.GetTwainLocalNote() + Environment.NewLine +
                    "Type a new note, or just press the Enter key to keep what you have.",
                    ref szNote
                            );
                if (string.IsNullOrEmpty(szNote))
                {
                    szNote = m_scanner.GetTwainLocalNote();
                }
            }

            // Register it, make a note if it works by clearing the
            // no devices flag...
            apicmd = new ApiCmd();
            if (m_scanner.RegisterScanner(jsonlookup, 0, szNote, ref apicmd))
            {
                m_blNoDevices = false;
                Display("Done...");
            }
            else
            {
                Display("Registration failed for: " + iNumber);
            }

            // Prompt...
            Display("Press the enter key to finish...");
            Console.In.ReadLine();
        }
Exemplo n.º 3
0
        /// <summary>
        /// Monitor for work...
        /// </summary>
        /// <param name="sender"></param>
        internal void MonitorTasks(object sender)
        {
            bool         blSuccess;
            string       szJson;
            string       szDeviceName;
            long         lResponseCharacterOffset;
            XmppCallback xmppcallback = (XmppCallback)sender;
            JsonLookup   jsonlookup   = new JsonLookup();

            TwainLocalScanner.Command command;

            // Load the data...
            if (jsonlookup.Load(xmppcallback.m_szData, out lResponseCharacterOffset))
            {
                // Check out the event type...
                string szType = jsonlookup.Get("type");
                if (szType == null)
                {
                    Log.Error("XMPP event received has no type in it...");
                    Log.Error(xmppcallback.m_szData);
                    return;
                }

                // Our event types...
                switch (szType)
                {
                //
                // Nope, gots no clue...
                //
                default:
                    Display("");
                    Display("Unrecognized command: " + szType);
                    Log.Error("XMPP event has unrecognized type...");
                    Log.Error(xmppcallback.m_szData);
                    return;

                //
                // Our command has been canceled, we have to acknowledge that
                // and either kill it or let it finish.  We opt to kill.  In
                // the worst case scenerio we'll try to update a canceled
                // command some place else in the code.  We need to be able
                // to handle that pressure anyways...
                //
                case "COMMAND_CANCELED":
                case "COMMAND_CANCELLED":
                    Display("");
                    Display("Command cancelled...");
                    szJson = jsonlookup.Get("method");
                    if (string.IsNullOrEmpty(szJson))
                    {
                        blSuccess = jsonlookup.Load(szJson, out lResponseCharacterOffset);
                        if (blSuccess)
                        {
                            ApiCmd apicmd = new ApiCmd(null);
                            //apicmd.SetState("canceled", null);
                        }
                    }
                    return;

                //
                // Our command has expired, we don't need to take any additional
                // action, because to get this far we must never have seen or
                // acknowledged the command...
                //
                case "COMMAND_EXPIRED":
                    Display("");
                    Display("Command expired...");
                    Log.Error("XMPP event COMMAND_EXPIRED...");
                    Log.Error(xmppcallback.m_szData);
                    return;

                //
                // Not supported yet...
                //
                case "DEVICE_ACL_UPDATED":
                    Display("");
                    Display("ACL updated...");
                    Log.Error("XMPP event DEVICE_ACL_UPDATED not supported yet...");
                    Log.Error(xmppcallback.m_szData);
                    return;

                //
                // Somebody doesn't like us anymore...
                //
                case "DEVICE_DELETED":
                    // Well, we'd better stop...
                    MonitorTasksStop();
                    Display("");
                    Display("Stop (a device has been deleted)...");

                    // Refresh our device list...
                    Thread.Sleep(1000);
                    bool blNoDevices = RefreshDeviceList();

                    // Notify the caller...
                    if (m_stopnotification != null)
                    {
                        m_stopnotification(blNoDevices);
                    }
                    return;

                //
                // We have something new to work on, drop down so that we're
                // not doing all this work in the switch statement...
                //
                case "COMMAND_CREATED":
                    break;
                }

                // The command was included in the notification, so let's start
                // doing work with it.  We'll begin by collecting some info...
                string szState    = jsonlookup.Get("command.state");
                string szDeviceId = jsonlookup.Get("deviceId");

                // Find the match in our list...
                szDeviceName = m_twainlocalscanner.GetTwainLocalTy();

                // Did we find it?
                if (!string.IsNullOrEmpty(szDeviceName))
                {
                    // Build the command...
                    command = new TwainLocalScanner.Command();
                    command.szDeviceName = szDeviceName;
                    command.szJson       = jsonlookup.Get("method");

                    // Display it...
                    switch (m_iDiagnostics)
                    {
                    default:
                        break;

                    case 1:
                        if (command.szJson.Contains("readImageBlock") && command.szJson.Contains("Metadata"))
                        {
                            Display("Sending an image...");
                        }
                        else if (command.szJson.Contains("startCapturing"))
                        {
                            Display(" ");
                            Display("Scanning started...");
                        }
                        else if (command.szJson.Contains("stopCapturing"))
                        {
                            Display("Scanning stopped...");
                        }
                        else if (command.szJson.Contains("createSession"))
                        {
                            Display(" ");
                            Display("*** Scanner locked ***");
                        }
                        else if (command.szJson.Contains("closeSession"))
                        {
                            Display(" ");
                            Display("*** Scanner unlocked ***");
                        }
                        break;

                    case 2:
                        Display(" ");
                        Display("XMPP");
                        Display(command.szDeviceName + ": " + command.szJson);
                        break;
                    }

                    // Dispatch it...
                    //m_twainlocalscanner.DeviceDispatchCommand(command, ref httplistenercontext);
                }
            }
        }
Exemplo n.º 4
0
        /// <summary>
        /// Register a device for use...
        /// </summary>
        public void Register()
        {
            int        iScanner;
            long       lResponseCharacterOffset;
            string     szScanners;
            string     szNumber;
            string     szText;
            JsonLookup jsonlookup;
            ApiCmd     apicmd;

            // Prompt the user to turn on their scanner, we don't care
            // about the result...
            szText = "";
            Display(Environment.NewLine);
            InputBox
            (
                "Power-On Scanner:",
                "Please turn your TWAIN scanner on, when it's ready press the ENTER key...",
                ref szText
            );

            // Turn the buttons off...
            Display(Environment.NewLine);
            Display("Registering (please wait, if there are a lot of scanner drivers, this can take a while)...");

            // Get the list of scanners...
            szScanners = m_scanner.GetAvailableScanners();
            if (string.IsNullOrEmpty(szScanners))
            {
                Display("No devices found...");
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display("No devices found...");
                return;
            }

            // Show all the scanners, and then ask for the number of
            // the one to use as the new default...
            szText = "";
            int iNumber = 0;

            for (iScanner = 0; ; iScanner++)
            {
                // Get the next scanner...
                string szScanner = jsonlookup.Get("scanners[" + iScanner + "].twidentity");
                if (string.IsNullOrEmpty(szScanner))
                {
                    szScanner = jsonlookup.Get("scanners[" + iScanner + "].sane");
                }

                // We're out of stuff...
                if (string.IsNullOrEmpty(szScanner))
                {
                    break;
                }

                // If this is the current default, make a note of it...
                if (m_scanner.GetTwainLocalTy() == szScanner)
                {
                    Display((iScanner + 1) + ": " + szScanner + " ***DEFAULT***");
                    iNumber = iScanner + 1;
                }
                // Otherwise, just list it...
                else
                {
                    Display((iScanner + 1) + ": " + szScanner);
                }
            }

            // Build the text for the prompt...
            if (iScanner == 1)
            {
                szText =
                    "Enter 1 to select this scanner." + Environment.NewLine +
                    "Enter 0 to disable the system." + Environment.NewLine +
                    "Enter by itself (with no number) keeps the current setting.";
            }
            else if (iScanner == 2)
            {
                szText =
                    "Enter 1 or 2 to select a scanner." + Environment.NewLine +
                    "Enter 0 to disable the system." + Environment.NewLine +
                    "Enter by itself (with no number) keeps the current setting.";
            }
            else
            {
                szText =
                    "Enter a number from 1 to " + iScanner + " to select a scanner." + Environment.NewLine +
                    "Enter 0 to disable the system." + Environment.NewLine +
                    "Enter by itself (with no number) keeps the current setting.";
            }

            // Have the user select a scanner...
            for (;;)
            {
                // Prompt the user...
                szNumber = "";
                Display(Environment.NewLine);
                bool blOk = InputBox
                            (
                    "Select Default Scanner:",
                    szText,
                    ref szNumber
                            );

                // The user wants out...
                if (!blOk)
                {
                    break;
                }

                // Check the result...
                if (!int.TryParse(szNumber, out iNumber))
                {
                    Display("That wasn't a number...");
                    continue;
                }

                // Check the range...
                if ((iNumber < 0) || (iNumber > iScanner))
                {
                    Display("Please enter a valid number...");
                    continue;
                }

                // We have what we want...
                break;
            }

            // See if the user wants to update their note...
            string szNote = m_scanner.GetTwainLocalNote();

            if ((iNumber >= 1) && (iNumber <= iScanner))
            {
                Display(Environment.NewLine);
                bool blOk = InputBox
                            (
                    "Enter Note:",
                    (string.IsNullOrEmpty(m_scanner.GetTwainLocalNote()) ? "You have no note." : "Your current note is: " + m_scanner.GetTwainLocalNote()) + Environment.NewLine +
                    "Type a new note, or just press the Enter key to keep what you have.",
                    ref szNote
                            );
                if (string.IsNullOrEmpty(szNote))
                {
                    szNote = m_scanner.GetTwainLocalNote();
                }
            }

            // Register it, make a note if it works by clearing the
            // no devices flag...
            apicmd = new ApiCmd(null);
            if (m_scanner.RegisterScanner(jsonlookup, iNumber - 1, szNote, ref apicmd))
            {
                m_blNoDevices = false;
                Display("Done...");
            }
            else
            {
                Display("Registration failed for: " + iNumber);
            }

            // Prompt...
            Display(Environment.NewLine);
            Display("Press the enter key to finish...");
            Console.In.ReadLine();
        }
Exemplo n.º 5
0
        /// <summary>
        /// Register a scanner...
        /// </summary>
        /// <param name="a_jsonlookup">the TWAIN driver data</param>
        /// <param name="a_iScanner">the index of the driver we're interested in</param>
        /// <param name="a_szNote">a note from the user</param>
        /// <param name="a_apicmd">info about the command</param>
        /// <returns>true on success</returns>
        public bool RegisterScanner(JsonLookup a_jsonlookup, int a_iScanner, string a_szNote, ref ApiCmd a_apicmd)
        {
            // Register it...
            if (!m_twainlocalscanner.DeviceRegister(a_jsonlookup, a_iScanner, a_szNote, ref a_apicmd))
            {
                Log.Error("DeviceRegister failed...");
                return(false);
            }

            // Save the file...
            m_twainlocalscanner.DeviceRegisterSave();

            // All done...
            return(true);
        }
Exemplo n.º 6
0
        /// <summary>
        /// Register a device for use...
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void m_buttonRegister_Click(object sender, EventArgs e)
        {
            int          iScanner;
            long         lResponseCharacterOffset;
            string       szNumber;
            string       szScanners;
            string       szText;
            JsonLookup   jsonlookup;
            ApiCmd       apicmd;
            DialogResult dialogresult;

            // Are you sure?
            dialogresult = MessageBox.Show("Do you want to register a TWAIN driver?  Please note that depending on how many drivers are installed, this may take a while.", "Register", MessageBoxButtons.YesNo);
            if (dialogresult == DialogResult.No)
            {
                return;
            }

            // Turn the buttons off...
            SetButtons(ButtonState.Undefined);
            Display("");
            Display("Looking for Scanners (please wait, this can take a while)...");

            // Get the list of scanners...
            szScanners = m_scanner.GetAvailableScanners();
            if (szScanners == null)
            {
                Display("No devices found...");
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display("No devices found...");
                return;
            }

            // Show all the scanners, and then ask for the number of
            // the one to use as the new default...
            szText = "";
            for (iScanner = 0;; iScanner++)
            {
                // Get the next scanner...
                string szScanner = jsonlookup.Get("scanners[" + iScanner + "].twidentityProductName");
                if (string.IsNullOrEmpty(szScanner))
                {
                    szScanner = jsonlookup.Get("scanners[" + iScanner + "].sane");
                }

                // We're out of stuff...
                if (string.IsNullOrEmpty(szScanner))
                {
                    break;
                }

                // If this is the current default, make a note of it...
                if (m_scanner.GetTwainLocalTy() == szScanner)
                {
                    szText = (iScanner + 1) + ": " + szScanner + " ***DEFAULT***";
                    Display(szText);
                }
                // Otherwise, just list it...
                else
                {
                    Display((iScanner + 1) + ": " + szScanner);
                }
            }

            // Finish the text for the prompt...
            if (string.IsNullOrEmpty(szText))
            {
                szText =
                    "Enter a number from 1 to " + iScanner + Environment.NewLine +
                    "(there is no current default)" + iScanner;
            }
            else
            {
                szText =
                    "Enter a number from 1 to " + iScanner + Environment.NewLine +
                    szText;
            }

            // Select the default...
            int iNumber = 0;

            for (;;)
            {
                // Prompt the user...
                szNumber     = "";
                dialogresult = InputBox
                               (
                    "Select Default Scanner",
                    szText,
                    ref szNumber
                               );

                // The user wants out...
                if (dialogresult != DialogResult.OK)
                {
                    Display("Canceled...");
                    break;
                }

                // Check the result...
                if (!int.TryParse(szNumber, out iNumber))
                {
                    Display("Please enter a number in the range 1 to " + iScanner);
                    continue;
                }

                // Check the range...
                if ((iNumber < 1) || (iNumber > iScanner))
                {
                    Display("Please enter a number in the range 1 to " + iScanner);
                    continue;
                }

                // We have what we want...
                break;
            }

            // See if the user wants to update their note...
            string szNote = m_scanner.GetTwainLocalNote();

            if ((iNumber >= 1) && (iNumber <= iScanner))
            {
                dialogresult = InputBox
                               (
                    "Enter Note",
                    "Your current note is: " + m_scanner.GetTwainLocalNote() + Environment.NewLine +
                    "Type a new note, or just press the Enter key to keep what you have.",
                    ref szNote
                               );

                // The user wants out...
                if ((dialogresult != DialogResult.OK) || string.IsNullOrEmpty(szNote))
                {
                    szNote = m_scanner.GetTwainLocalNote();
                }
            }

            // Register it, make a note if it works by clearing the
            // no devices flag...
            apicmd = new ApiCmd();
            if (m_scanner.RegisterScanner(jsonlookup, iNumber - 1, szNote, ref apicmd))
            {
                m_blNoDevices = false;
                Display("Done...");
            }
            else
            {
                Display("Registration failed for: " + iNumber);
            }

            // Fix the buttons...
            Display("Registration done...");
            if (m_blNoDevices)
            {
                SetButtons(ButtonState.NoDevices);
            }
            else
            {
                SetButtons(ButtonState.WaitingForStart);
            }
        }
Exemplo n.º 7
0
        /// <summary>
        /// Sends a command to with given arguments to the
        /// MPC HC executable process.
        /// </summary>
        /// <param name="sendCmd"></param>
        /// <param name="args"></param>
        /// <returns></returns>
        private int sendWinMessage(ApiCmd.Send sendCmd, string args)
        {
            int result = -1;
            var dataStruct = packParams((uint)sendCmd, args);

            // Initialize unmanged memory to hold the struct.
            IntPtr argsPtr = Marshal.AllocHGlobal(Marshal.SizeOf(dataStruct));

            try {
                // Copy the struct to unmanaged memory.
                Marshal.StructureToPtr(dataStruct, argsPtr, false);
                // Send message to mpc-hc.exe
                result = SendMessage(HWndTo, (uint)WmType.WM_COPYDATA, HWndFrom, argsPtr);
            } catch (Exception) {
                throw;
            } finally {
                // Free the unmanaged memory.
                Marshal.FreeHGlobal(argsPtr);
            }

            return result;
        }
Exemplo n.º 8
0
        /// <summary>
        /// Select the TWAIN driver to use...
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void SelectScanner()
        {
            int           iScanner;
            long          lResponseCharacterOffset;
            string        szScanners;
            string        szText;
            JsonLookup    jsonlookup;
            ApiCmd        apicmd;
            List <string> lszDrivers = new List <string>();

            // Turn the buttons off...
            SetButtons(ButtonState.Undefined);
            Display("");
            Display(Config.GetResource(m_resourcemanager, "errLookingForScanners"));

            // Get the list of scanners...
            szScanners = m_scanner.GetAvailableScanners("getproductnames", "");
            if (szScanners == null)
            {
                Display(Config.GetResource(m_resourcemanager, "errNoScannersFound"));
                SetButtons(ButtonState.NoDevices);
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display(Config.GetResource(m_resourcemanager, "errNoScannersFound"));
                SetButtons(ButtonState.NoDevices);
                return;
            }

            // Show all the scanners, and then ask for the number of
            // the one to use as the new default...
            szText = "";
            string szMessage = "";
            string szDefault = "";

            for (iScanner = 0; ; iScanner++)
            {
                // Get the next scanner...
                string szScanner = jsonlookup.Get("scanners[" + iScanner + "].twidentityProductName");
                if (string.IsNullOrEmpty(szScanner))
                {
                    szScanner = jsonlookup.Get("scanners[" + iScanner + "].sane");
                }

                // We're out of stuff...
                if (string.IsNullOrEmpty(szScanner))
                {
                    break;
                }

                // If this is the current default, make a note of it...
                lszDrivers.Add(szScanner);
                if (m_scanner.GetTwainLocalTy() == szScanner)
                {
                    szMessage += (iScanner + 1) + ": " + szScanner + " ***DEFAULT***" + Environment.NewLine;
                    szText     = (iScanner + 1) + ": " + szScanner + " ***DEFAULT***";
                    szDefault  = szScanner;
                    Display(szText);
                }
                // Otherwise, just list it...
                else
                {
                    szMessage += (iScanner + 1) + ": " + szScanner + Environment.NewLine;
                    Display((iScanner + 1) + ": " + szScanner);
                }
            }

            // Ask the user to pick a scanner...
            FormSelect formselect = new FormSelect(m_resourcemanager, lszDrivers, szDefault, m_scanner.GetTwainLocalNote());

            formselect.ShowDialog();
            int    iNumber = formselect.GetSelectedDriver();
            string szNote  = formselect.GetNote();

            if (iNumber < 0)
            {
                Display("");
                Display(Config.GetResource(m_resourcemanager, "errNoScannersFound"));
                SetButtons(ButtonState.NoDevices);
                return;
            }

            // A little sleight of hand to get a busy cursor...
            this.Refresh();
            Cursor.Current = Cursors.WaitCursor;
            this.Refresh();

            // Tell the user what we're up to...
            Display("");
            Display("We're going to ask the scanner some questions.");
            Display("This may take a minute...");

            // A little sleight of hand to get a busy cursor...
            this.Refresh();
            Cursor.Current = Cursors.WaitCursor;
            this.Refresh();

            // Do a deep inquiry on the selected scanner...
            szScanners = m_scanner.GetAvailableScanners("getinquiry", jsonlookup.Get("scanners[" + iNumber + "].twidentityProductName"));
            if (string.IsNullOrEmpty(szScanners))
            {
                // We are unable to use the selected scanner.  Please make sure your scanner is turned on and connected before trying again.
                Display("");
                Display(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"));
                MessageBox.Show(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"), Config.GetResource(m_resourcemanager, "strFormMainTitle"));
                SetButtons(ButtonState.NoDevices);
                Cursor.Current = Cursors.Default;
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display("");
                Display(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"));
                MessageBox.Show(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"), Config.GetResource(m_resourcemanager, "strFormMainTitle"));
                SetButtons(ButtonState.NoDevices);
                Cursor.Current = Cursors.Default;
                return;
            }

            // Register it, make a note if it works by clearing the
            // no devices flag.  Note that the way things work now
            // there is only ever one scanner in the list...
            apicmd = new ApiCmd();
            if (m_scanner.RegisterScanner(jsonlookup, 0, szNote, ref apicmd))
            {
                m_blNoDevices = false;
                Display("Done...");
            }
            else
            {
                Display("Registration failed for: " + iNumber);
                MessageBox.Show("Registration failed for: " + iNumber, "Error");
            }

            // Fix the buttons...
            Display("Registration done...");
            if (m_blNoDevices)
            {
                SetButtons(ButtonState.NoDevices);
            }
            else
            {
                SetButtons(ButtonState.WaitingForStart);
            }
        }
Exemplo n.º 9
0
        /// <summary>
        /// Register a device for use...
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void m_buttonRegister_Click(object sender, EventArgs e)
        {
            int iScanner;
            long lResponseCharacterOffset;
            string szNumber;
            string szScanners;
            string szText;
            JsonLookup jsonlookup;
            ApiCmd apicmd;
            DialogResult dialogresult;

            // Are you sure?
            // Do you want to register a TWAIN driver?  If so, please make sure your scanner is powered on and connected, and press YES.
            dialogresult = MessageBox.Show
            (
                Config.GetResource(m_resourcemanager, "errRegisterTwainDriver"),
                Config.GetResource(m_resourcemanager, "strFormMainTitle"),
                MessageBoxButtons.YesNo
            );
            if (dialogresult == DialogResult.No)
            {
                return;
            }

            // Turn the buttons off...
            SetButtons(ButtonState.Undefined);
            Display("");
            Display(Config.GetResource(m_resourcemanager, "errLookingForScanners"));

            // Get the list of scanners...
            szScanners = m_scanner.GetAvailableScanners("getproductnames", "");
            if (szScanners == null)
            {
                Display(Config.GetResource(m_resourcemanager, "errNoScannersFound"));
                SetButtons(ButtonState.NoDevices);
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display(Config.GetResource(m_resourcemanager, "errNoScannersFound"));
                SetButtons(ButtonState.NoDevices);
                return;
            }

            // Show all the scanners, and then ask for the number of
            // the one to use as the new default...
            szText = "";
            for (iScanner = 0 ;; iScanner++)
            {
                // Get the next scanner...
                string szScanner = jsonlookup.Get("scanners[" + iScanner + "].twidentityProductName");
                if (string.IsNullOrEmpty(szScanner))
                {
                    szScanner = jsonlookup.Get("scanners[" + iScanner + "].sane");
                }

                // We're out of stuff...
                if (string.IsNullOrEmpty(szScanner))
                {
                    break;
                }

                // If this is the current default, make a note of it...
                if (m_scanner.GetTwainLocalTy() == szScanner)
                {
                    szText = (iScanner + 1) + ": " + szScanner + " ***DEFAULT***";
                    Display(szText);
                }
                // Otherwise, just list it...
                else
                {
                    Display((iScanner + 1) + ": " + szScanner);
                }
            }

            // Finish the text for the prompt...
            if (string.IsNullOrEmpty(szText))
            {
                szText =
                    "Enter a number from 1 to " + iScanner + Environment.NewLine +
                    "(there is no current default)" + iScanner;
            }
            else
            {
                szText =
                    "Enter a number from 1 to " + iScanner + Environment.NewLine +
                    szText;
            }

            // Select the default...
            int iNumber = 0;
            for (;;)
            {
                // Prompt the user...
                szNumber = "";
                dialogresult = InputBox
                (
                    "Select Default Scanner",
                    szText,
                    ref szNumber
                );

                // The user wants out...
                if (dialogresult != DialogResult.OK)
                {
                    Display("Canceled...");
                    SetButtons(ButtonState.NoDevices);
                    break;
                }

                // Check the result...
                if (!int.TryParse(szNumber, out iNumber))
                {
                    Display("Please enter a number in the range 1 to " + iScanner);
                    continue;
                }

                // Check the range...
                if ((iNumber < 1) || (iNumber > iScanner))
                {
                    Display("Please enter a number in the range 1 to " + iScanner);
                    continue;
                }

                // We have what we want...
                break;
            }

            // Tell the user what we're up to...
            Display("");
            Display("We're going to ask the scanner some questions.");
            Display("This may take a minute...");

            // Do a deep inquiry on the selected scanner...
            szScanners = m_scanner.GetAvailableScanners("getinquiry", jsonlookup.Get("scanners[" + (iNumber - 1) + "].twidentityProductName"));
            if (string.IsNullOrEmpty(szScanners))
            {
                // We are unable to use the selected scanner.  Please make sure your scanner is turned on and connected before trying again.
                Display("");
                Display(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"));
                MessageBox.Show(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"), Config.GetResource(m_resourcemanager, "strFormMainTitle"));
                SetButtons(ButtonState.NoDevices);
                return;
            }
            try
            {
                jsonlookup = new JsonLookup();
                jsonlookup.Load(szScanners, out lResponseCharacterOffset);
            }
            catch
            {
                Display("");
                Display(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"));
                MessageBox.Show(Config.GetResource(m_resourcemanager, "errUnableToUseScanner"), Config.GetResource(m_resourcemanager, "strFormMainTitle"));
                SetButtons(ButtonState.NoDevices);
                return;
            }

            // See if the user wants to update their note...
            string szNote = m_scanner.GetTwainLocalNote();
            if ((iNumber >= 1) && (iNumber <= iScanner))
            {
                // Tell the user what we're up to...
                Display("");
                Display("We're asking what you'd like to call your scanner.");
                Display("Please look for a dialog box...");

                // Prompt the user...
                dialogresult = InputBox
                (
                    "Enter Note",
                    "Your current note is: " + m_scanner.GetTwainLocalNote() + Environment.NewLine +
                    "Type a new note, or just press the Enter key to keep what you have.",
                    ref szNote
                );

                // The user wants out...
                if ((dialogresult != DialogResult.OK) || string.IsNullOrEmpty(szNote))
                {
                    szNote = m_scanner.GetTwainLocalNote();
                }
            }

            // Register it, make a note if it works by clearing the
            // no devices flag.  Note that the way things work now
            // there is only ever one scanner in the list...
            apicmd = new ApiCmd();
            if (m_scanner.RegisterScanner(jsonlookup, 0, szNote, ref apicmd))
            {
                m_blNoDevices = false;
                Display("Done...");
            }
            else
            {
                Display("Registration failed for: " + iNumber);
                MessageBox.Show("Registration failed for: " + iNumber, "Error");
            }

            // Fix the buttons...
            Display("Registration done...");
            if (m_blNoDevices)
            {
                SetButtons(ButtonState.NoDevices);
            }
            else
            {
                SetButtons(ButtonState.WaitingForStart);
            }
        }