void HandleSkipAlertDismissed(object sender, UIButtonEventArgs e)
{
if (e.ButtonIndex == 1)
{
SkippedSigning = true;
// redraw the recipt with empty signature
Signature.Clear();
UIImageView iv = new UIImageView();
iv = (UIImageView)Tabs._payment.GeneratedPdfView.ViewWithTag(MyConstants.ReceiptPDFTemplateTags.Signature);
iv.ContentMode = UIViewContentMode.ScaleAspectFit;
UIImage im = Signature.GetDrawingImage(); // this.Signature.Image;
iv.Image = im;
Tabs._payment.RedrawReceiptPDF(true);
iv.Dispose(); im.Dispose();
im = null; iv = null;
GoForward(this, new EventArgs());
}
}
public SignInvoiceViewController(DetailedTabs tabs) : base(tabs)
{
this.Title = "Sign receipt";
using (var image = UIImage.FromBundle("Images/187-pencil")) this.TabBarItem.Image = image;
this.NavigationItem.HidesBackButton = true;
GoBack = delegate {
if (SigningMode)
{
FinishSigning(null, null);
hasBeenSigned = false;
}
// if service should be signed, push service
bool ShouldSignService = false;
Job main = (Tabs._jobRunTable.CurrentJob.HasParent()) ? Tabs._jobRunTable.FindParentJob(Tabs._jobRunTable.CurrentJob) : Tabs._jobRunTable.CurrentJob;
if (main.JobReportAttached)
{
ShouldSignService = true;
}
foreach (Job child in main.ChildJobs)
{
if (child.JobReportAttached)
{
ShouldSignService = true;
}
break;
}
/*
* if (main.Type.Code == "SER") ShouldSignService = true;
* foreach(Job child in main.ChildJobs)
* if (child.Type.Code == "SER") ShouldSignService = true;
*/
if (ShouldSignService)
{
Tabs.SigningNav.PopToRootViewController(false);
Tabs.SigningNav.PushViewController(Tabs.SignService, true);
}
// else if pre-plumbing should be signed, push pre-plumbing
else if (!Tabs._prePlumbView.IsDefault())
{
// push pre-plumbing check
Tabs.SigningNav.PopToRootViewController(false);
Tabs.SigningNav.PushViewController(Tabs.SignPre, true);
}
else // otherwise, return back to payment screen
{
Tabs.SigningNav.PopToRootViewController(false);
Tabs.SelectedViewController = Tabs.ViewControllers[Tabs.LastSelectedTab];
}
};
GoForward = delegate {
if ((this.hasBeenSigned && !SigningMode) || SkippedSigning)
{
//string currentNetwork = MyConstants.GetCurrentWiFiNetworkID ();
//bool networkOK = (currentNetwork == "247");
//this.Tabs._scView.Log (String.Format("Current network returned by MyConstants.GetCurrentWiFiNetworkID : {0}", currentNetwork));
//networkOK = true; // debug
if (true) // networkOK
{
// AllPrintingDone.Reset ();
BeginPrinting();
// this starts a new thread to handle the printing task
}
/*
* else
* {
* // we're connected to another network, alert the user
* var networkAlert = new UIAlertView( String.Format("Your iPad is connected to \"{0}\"", "currentNetwork"),
* "You have to go to Settings -> Wi-Fi and connect to printer network (\"247\") for printing to work. What would you like to do?", null,
* "Skip printing", "Change network");
* networkAlert.Dismissed += HandleNetworkAlertDismissed;
* networkAlert.Show ();
* }
*/
}
else
{
var alert = new UIAlertView("", "Please finish signing the document first", null, "OK");
alert.Show();
}
if (SkippedSigning)
{
// Here we should take whatever measures to somehow record that the receipt has not been signed by the customer
SkippedSigning = false;
}
};
ClearSignature = delegate {
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
};
SkipSigning = delegate {
skipAlert = new UIAlertView("Are you sure?", "The receipt will be printed out without the customer signature.", null, "No, never mind", "Yes, please");
skipAlert.Dismissed += HandleSkipAlertDismissed;
skipAlert.Show();
};
StartSigning = delegate {
signing = new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
clearSignature, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
skipSigning, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
Signature.Clear();
hasBeenSigned = false;
SigningMode = true;
this.NavigationController.SetNavigationBarHidden(false, true);
this.NavigationItem.SetLeftBarButtonItem(new UIBarButtonItem("Clear Signature", UIBarButtonItemStyle.Plain, ClearSignature), true);
this.NavigationItem.SetRightBarButtonItem(new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning), true);
// this.NavigationItem.SetRightBarButtonItems (new UIBarButtonItem[] {
// new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning),
// new UIBarButtonItem("Clear Signature", UIBarButtonItemStyle.Bordered, ClearSignature) }, true);
this.NavigationController.SetToolbarHidden(true, true);
};
FinishSigning = delegate {
SigningMode = false;
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Plain, StartSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
email, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
skipSigning, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
this.NavigationItem.SetLeftBarButtonItems(new UIBarButtonItem[] { }, true);
this.NavigationItem.SetRightBarButtonItems(new UIBarButtonItem[] { }, true);
this.NavigationController.SetToolbarHidden(false, true);
UIImageView iv = new UIImageView();
iv = (UIImageView)Tabs._payment.GeneratedPdfView.ViewWithTag(MyConstants.ReceiptPDFTemplateTags.Signature);
iv.ContentMode = UIViewContentMode.ScaleAspectFit;
UIImage im = Signature.GetDrawingImage(); // this.Signature.Image;
iv.Image = im;
if (hasBeenSigned)
{
PDFView.ScrollView.ScrollsToTop = false;
Tabs._payment.RedrawReceiptPDF(true);
// Signature.Image = new UIImage();
Signature.Clear();
}
if (iv != null)
{
iv.Dispose(); iv = null;
}
if (im != null)
{
im.Dispose(); im = null;
}
};
DoSendReceiptEmail = delegate {
if (MFMailComposeViewController.CanSendMail)
{
// check if there is an existing email address on file
string existingEmail = Tabs._jobRunTable.CurrentCustomer.EmailAddress;
if (ValidateEmailAddress(existingEmail))
{
// there is an email address on file
var alertUseExistingEmail = new UIAlertView("Use this email address?", existingEmail, null, "No", "Yes");
alertUseExistingEmail.Dismissed += delegate(object sender, UIButtonEventArgs e) {
if (e.ButtonIndex == 1)
{
// user confirmed using existing email
emailRecepients = existingEmail;
SaveEmailAndPresentMailComposingView();
}
else
{
// user declined using existing email, collect email address
PresentGetEmailAddressView();
}
};
alertUseExistingEmail.Show();
}
else
{
// collect email address
PresentGetEmailAddressView();
}
}
else
{
var alertCannotSendEmails = new UIAlertView("", "It seems like this iPad cannot send e-mails at the time. Please check the network settings and try again", null, "OK");
alertCannotSendEmails.Show();
}
};
back = new UIBarButtonItem(UIBarButtonSystemItem.Reply);
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Plain, StartSigning);
email = new UIBarButtonItem("Email receipt", UIBarButtonItemStyle.Plain, DoSendReceiptEmail);
skipSigning = new UIBarButtonItem("Skip signing", UIBarButtonItemStyle.Plain, SkipSigning);
forward = new UIBarButtonItem(UIBarButtonSystemItem.Action);
clearSignature = new UIBarButtonItem("Clear signature", UIBarButtonItemStyle.Plain, ClearSignature);
ToolbarItems = new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
email, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
skipSigning, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
};
back.Clicked += GoBack;
forward.Clicked += GoForward;
}
public SignPrePlumbingViewController(DetailedTabs tabs) : base(tabs)
{
this.Title = "Sign pre-plumbing";
using (var image = UIImage.FromBundle("Images/187-pencil")) this.TabBarItem.Image = image;
this.NavigationItem.HidesBackButton = true;
GoBack = delegate {
if (!SigningMode)
{
Tabs.SelectedViewController = Tabs.ViewControllers[Tabs.LastSelectedTab];
}
else
{
FinishSigning(null, null);
hasBeenSigned = false;
Tabs.SelectedViewController = Tabs.ViewControllers[Tabs.LastSelectedTab];
}
};
GoForward = delegate {
if (hasBeenSigned && !SigningMode)
{
bool ShouldSignService = false;
Job main = (Tabs._jobRunTable.CurrentJob.HasParent())? Tabs._jobRunTable.FindParentJob(Tabs._jobRunTable.CurrentJob) : Tabs._jobRunTable.CurrentJob;
if (main.Type.Code == "SER")
{
ShouldSignService = true;
}
foreach (Job child in main.ChildJobs)
{
if (child.Type.Code == "SER")
{
ShouldSignService = true;
}
}
if ((Tabs._prePlumbView.pr.UpgradeOffered == PrePlumbingCheckView.Choices.Option1 ||
Tabs._prePlumbView.pr.UpgradeOffered == PrePlumbingCheckView.Choices.Option2) &&
Tabs._prePlumbView.pr.CustomerAcceptedUpgrade == PrePlumbingCheckView.Choices.Yes)
{
// look for a tubing upgrade job
bool foundUpgrade = false;
if (main.Type.Code.Contains("TUBING"))
{
foundUpgrade = true;
}
if (!foundUpgrade)
{
foreach (Job child in main.ChildJobs)
{
if (child.Type.Code.Contains("TUBING"))
{
foundUpgrade = true;
}
}
}
if (!foundUpgrade)
{
Dictionary <int, string> Reasons = MyConstants.GetFollowUpReasonsFromDB();
string pickedReason = "Unable to do upgrade";
int reasonID = Reasons.FindKeyByValue(pickedReason);
Tabs._jobService.SaveFollowupToDatabase(main.JobBookingNumber, reasonID, "Upgrade was authorised and not done?");
}
}
if (ShouldSignService)
{
Tabs.SigningNav.PopToRootViewController(false);
Tabs.SigningNav.PushViewController(Tabs.SignService, true);
}
else
{
Tabs.SigningNav.PushViewController(Tabs.SignInvoice, true);
//Tabs.SigningNav.InvoicePushed = true;
// Tabs._navWorkflow._finishWorkflow(null, null);
}
}
else
{
var alert = new UIAlertView("", "Please finish signing the document first", null, "OK");
alert.Show();
}
};
ClearSignature = delegate {
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
};
StartSigning = delegate {
signing = new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
clearSignature, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
SigningMode = true;
this.NavigationController.SetNavigationBarHidden(false, true);
this.NavigationItem.SetLeftBarButtonItem(new UIBarButtonItem("Clear Signature", UIBarButtonItemStyle.Bordered, ClearSignature), true);
this.NavigationItem.SetRightBarButtonItem(new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning), true);
// this.NavigationItem.SetRightBarButtonItems (new UIBarButtonItem[] {
// new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning),
// new UIBarButtonItem("Clear Signature", UIBarButtonItemStyle.Bordered, ClearSignature) }, true);
this.NavigationController.SetToolbarHidden(true, true);
};
FinishSigning = delegate {
SigningMode = false;
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Bordered, StartSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
this.NavigationItem.SetLeftBarButtonItems(new UIBarButtonItem[] { }, true);
this.NavigationItem.SetRightBarButtonItems(new UIBarButtonItem[] { }, true);
this.NavigationController.SetToolbarHidden(false, true);
UIImageView iv = new UIImageView();
iv = (UIImageView)Tabs._prePlumbView.GeneratedPDFView.ViewWithTag(MyConstants.PrePlumbingPDFTemplateTags.Signature);
iv.ContentMode = UIViewContentMode.ScaleAspectFit;
UIImage im = this.Signature.GetDrawingImage(); // this.Signature.Image;
iv.Image = im;
if (hasBeenSigned)
{
Tabs._prePlumbView.RedrawPrePlumbingPDF(false, true);
CGPoint offset = new CGPoint(0, this.PDFView.ScrollView.ContentSize.Height - this.PDFView.ScrollView.Bounds.Height);
PDFView.ScrollView.SetContentOffset(offset, true);
Signature.Clear(); // Signature.Image = new UIImage();
}
iv.Dispose(); im.Dispose();
im = null; iv = null;
};
back = new UIBarButtonItem(UIBarButtonSystemItem.Reply);
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Bordered, StartSigning);
forward = new UIBarButtonItem(UIBarButtonSystemItem.Action);
clearSignature = new UIBarButtonItem("Clear signature", UIBarButtonItemStyle.Bordered, ClearSignature);
ToolbarItems = new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
};
back.Clicked += GoBack;
forward.Clicked += GoForward;
}
public SignServiceReportViewController(DetailedTabs tabs) : base(tabs)
{
this.Title = "Sign service report";
using (var image = UIImage.FromBundle("Images/187-pencil")) this.TabBarItem.Image = image;
this.NavigationItem.HidesBackButton = true;
GoBack = delegate {
if (SigningMode)
{
FinishSigning(null, null);
hasBeenSigned = false;
}
if (!Tabs._prePlumbView.IsDefault())
{
// push pre-plumb signing
Tabs.SigningNav.PopToRootViewController(false);
Tabs.SigningNav.PushViewController(Tabs.SignPre, true);
}
else
{
Tabs.SelectedViewController = Tabs.ViewControllers[Tabs.LastSelectedTab];
}
};
GoForward = delegate {
if (this.hasBeenSigned && !SigningMode)
{
if (Tabs.SignInvoice != null)
{
Tabs.SigningNav.PushViewController(Tabs.SignInvoice, true);
// Tabs.SigningNav.InvoicePushed = true;
}
else
{
Tabs._navWorkflow._finishWorkflow(null, null);
}
}
else
{
var alert = new UIAlertView("", "Please finish signing the document first", null, "OK");
alert.Show();
}
};
ClearSignature = delegate {
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
};
StartSigning = delegate {
signing = new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
clearSignature, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
SigningMode = true;
this.NavigationController.SetNavigationBarHidden(false, true);
this.NavigationItem.SetLeftBarButtonItem(new UIBarButtonItem("Clear Signature", UIBarButtonItemStyle.Bordered, ClearSignature), true);
this.NavigationItem.SetRightBarButtonItem(new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning), true);
this.NavigationController.SetToolbarHidden(true, true);
// this.NavigationItem.SetRightBarButtonItems (new UIBarButtonItem[] {
// new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning),
// new UIBarButtonItem("Clear Signature", UIBarButtonItemStyle.Bordered, ClearSignature) }, true);
};
FinishSigning = delegate {
SigningMode = false;
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Bordered, StartSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
this.NavigationItem.SetLeftBarButtonItems(new UIBarButtonItem[] { }, true);
this.NavigationItem.SetRightBarButtonItems(new UIBarButtonItem[] { }, true);
this.NavigationController.SetToolbarHidden(false, true);
UIImageView iv = new UIImageView();
iv = (UIImageView)Tabs._jobService.GeneratedPDFView.ViewWithTag(MyConstants.ServiceCallPDFTemplateTags.Signature);
iv.ContentMode = UIViewContentMode.ScaleAspectFit;
UIImage im = this.Signature.GetDrawingImage(); // this.Signature.Image;
iv.Image = im;
if (hasBeenSigned)
{
Tabs._jobService.RedrawServiceCallPDF(true);
CGPoint offset = new CGPoint(0, this.PDFView.ScrollView.ContentSize.Height - this.PDFView.ScrollView.Bounds.Height);
PDFView.ScrollView.SetContentOffset(offset, true);
// Signature.Image = new UIImage();
Signature.Clear();
}
iv.Dispose(); im.Dispose();
im = null; iv = null;
};
back = new UIBarButtonItem(UIBarButtonSystemItem.Reply);
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Bordered, StartSigning);
forward = new UIBarButtonItem(UIBarButtonSystemItem.Action);
clearSignature = new UIBarButtonItem("Clear signature", UIBarButtonItemStyle.Bordered, ClearSignature);
ToolbarItems = new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
};
back.Clicked += GoBack;
forward.Clicked += GoForward;
}
public SignDailyStockUsed(DetailedTabs tabs) : base(tabs)
{
// todo :: EXCEPTION HANDLING here
// fill the DVC property here with the stock details
dvc = new DialogViewController(new RootElement("Used stock"));
dvc.Root.Add(new Section(""));
if (File.Exists(ServerClientViewController.dbFilePath))
{
// read the data from database here
using (var connection = new SqliteConnection("Data Source=" + ServerClientViewController.dbFilePath))
{
try
{
using (var cmd = connection.CreateCommand())
{
connection.Open();
cmd.CommandText = "SELECT su.Element_Type as Type, su.Element_OID as ID, p.Part_Desc as Desc, SUM(su.Num_Used) as USED_TODAY " +
"FROM STOCKUSED su, PARTS p " +
"WHERE su.Element_OID = p.Part_ID " +
"AND su.Element_Type = 'P' " +
"GROUP BY Element_Type, Element_OID, Part_Desc " +
"UNION SELECT su.Element_Type as Type, su.Element_OID as ID, a.Name as Desc, SUM(su.Num_Used) as USED_TODAY " +
"FROM STOCKUSED su, ASSEMBLIES a " +
"WHERE su.Element_OID = a.Assembly_ID " +
"AND su.Element_Type = 'A' " +
"GROUP BY Element_Type, Element_OID, Name";
using (var reader = cmd.ExecuteReader())
{
while (reader.Read())
{
string id = (string)(reader["type"]) + Convert.ToString(reader["id"]);
string description = (string)reader["desc"];
double used = Convert.ToDouble(reader["used_today"]);
dvc.Root[0].Add(new StyledStringElement(
id + " " + description,
used.ToString(),
UITableViewCellStyle.Value1));
}
if (!reader.IsClosed)
{
reader.Close();
}
}
}
}
catch (Exception e) {
// Console.WriteLine (e.Message);
}
}
}
GenerateStockUsedPDFPreview();
RedrawDailyStockPDF(false);
GoBack = delegate {
if (SigningMode)
{
FinishSigning(null, null);
hasBeenSigned = false;
}
this.NavigationController.PopToRootViewController(true);
};
GoForward = delegate {
if (this.hasBeenSigned)
{
this.NavigationController.SetNavigationBarHidden(true, false);
this.NavigationController.PopToRootViewController(true);
this.Tabs._scView.StartNewDataExchange();
// this.Tabs._scView.InitDataExchange ();
}
else
{
var alert = new UIAlertView("", "Please finish signing the document first", null, "OK");
alert.Show();
}
};
ClearSignature = delegate {
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
};
StartSigning = delegate {
signing = new UIBarButtonItem("Done", UIBarButtonItemStyle.Done, FinishSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
clearSignature, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
// Signature.Image = new UIImage();
Signature.Clear();
hasBeenSigned = false;
SigningMode = true;
};
FinishSigning = delegate {
SigningMode = false;
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Bordered, StartSigning);
this.SetToolbarItems(new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
}, true);
UIImageView iv = new UIImageView();
iv = (UIImageView)GeneratedPDFView.ViewWithTag(4);
iv.ContentMode = UIViewContentMode.ScaleAspectFit;
UIImage im = Signature.GetDrawingImage(); // this.Signature.Image;
iv.Image = im;
if (hasBeenSigned)
{
RedrawDailyStockPDF(true);
CGPoint offset = new CGPoint(0, this.PDFView.ScrollView.ContentSize.Height - this.PDFView.ScrollView.Bounds.Height);
PDFView.ScrollView.SetContentOffset(offset, true);
// Signature.Image = new UIImage();
Signature.Clear();
}
iv.Dispose(); im.Dispose();
im = null; iv = null;
};
back = new UIBarButtonItem(UIBarButtonSystemItem.Reply);
signing = new UIBarButtonItem("Start signing", UIBarButtonItemStyle.Plain, StartSigning);
forward = new UIBarButtonItem(UIBarButtonSystemItem.Action);
clearSignature = new UIBarButtonItem("Clear signature", UIBarButtonItemStyle.Plain, ClearSignature);
ToolbarItems = new UIBarButtonItem[] {
back, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
signing, new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace),
forward
};
back.Clicked += GoBack;
forward.Clicked += GoForward;
}
