private static bool PrintUrl(string url)
{
if (!string.IsNullOrEmpty(url))
{
NSUrl item = new NSUrl(url);
if (UIPrintInteractionController.CanPrint(item))
{
UIPrintInfo printInfo = UIPrintInfo.PrintInfo;
printInfo.JobName = url.Substring(url.LastIndexOf(Path.DirectorySeparatorChar) + 1);
UIPrintInteractionController.SharedPrintController.PrintInfo = printInfo;
UIPrintInteractionController.SharedPrintController.PrintingItem = item;
return(true);
}
}
return(false);
}
public override void ViewDidAppear(bool animated)
{
this.appDelegate.tablePDFSearch = 0;
UIBarButtonItem searchText = new UIBarButtonItem(UIBarButtonSystemItem.Search, (object sender, EventArgs e) =>
{
//searches for matching text inside pdf
this.searchForText.Placeholder = "Search...";
this.searchForText.SpellCheckingType = UITextSpellCheckingType.No;
this.searchForText.SearchBarStyle = UISearchBarStyle.Prominent;
this.searchForText.BarStyle = UIBarStyle.Default;
this.searchForText.ShowsCancelButton = true;
this.NavigationItem.TitleView = this.searchForText;
this.searchForText.BecomeFirstResponder();
this.searchForText.CancelButtonClicked += (object sender_2, EventArgs e_2) => {
//replaces the navigation item with the title text
this.searchForText.ResignFirstResponder();
this.NavigationItem.TitleView = null;
this.NavigationItem.Title = "Viewer";
};
});
UIBarButtonItem pageMode = new UIBarButtonItem("Page Mode", UIBarButtonItemStyle.Done, (object sender, EventArgs e) => {
//page count is adjusted
//creates a small table which adjusts the number of pages to render
//an alert controller is best for this
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone)
{
UIAlertController pageModeController = UIAlertController.Create("", "", UIAlertControllerStyle.ActionSheet);
UIAlertAction onePage = UIAlertAction.Create("Single Page", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
this.pdfWebReader.PaginationMode = UIWebPaginationMode.TopToBottom;
pageModeController.Dispose();
});
UIAlertAction continousPages = UIAlertAction.Create("Continuous", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
this.pdfWebReader.PaginationMode = UIWebPaginationMode.Unpaginated;
pageModeController.Dispose();
});
UIAlertAction denied = UIAlertAction.Create("Never Mind", UIAlertActionStyle.Cancel, (UIAlertAction obj) =>
{
pageModeController.Dispose();
});
pageModeController.AddAction(onePage);
pageModeController.AddAction(continousPages);
pageModeController.AddAction(denied);
if (this.PresentedViewController == null)
{
this.PresentViewController(pageModeController, true, null);
}
else
{
this.PresentedViewController.DismissViewController(true, () =>
{
this.PresentedViewController.Dispose();
this.PresentViewController(pageModeController, true, null);
});
}
}
else
{
UIAlertController pageModeController = UIAlertController.Create("", "", UIAlertControllerStyle.Alert);
UIAlertAction onePage = UIAlertAction.Create("Single Page", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
this.pdfWebReader.PaginationMode = UIWebPaginationMode.TopToBottom;
pageModeController.Dispose();
});
UIAlertAction continousPages = UIAlertAction.Create("Full Screen", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
this.pdfWebReader.PaginationMode = UIWebPaginationMode.Unpaginated;
pageModeController.Dispose();
});
UIAlertAction denied = UIAlertAction.Create("Never Mind", UIAlertActionStyle.Cancel, (UIAlertAction obj) =>
{
pageModeController.Dispose();
});
pageModeController.AddAction(onePage);
pageModeController.AddAction(continousPages);
pageModeController.AddAction(denied);
if (this.PresentedViewController == null)
{
this.PresentViewController(pageModeController, true, null);
}
else
{
this.PresentedViewController.DismissViewController(true, () =>
{
this.PresentedViewController.Dispose();
this.PresentViewController(pageModeController, true, null);
});
}
}
});
UIBarButtonItem share = new UIBarButtonItem(UIBarButtonSystemItem.Action, (sender, e) => {
//introduces an action sheet. with the following options:
/*
* allows the user to share file (which creates an activity controller where the user can choose how to share the file)
* allows updating to the cloud
* allows an option to open the document in another application of choice (UIDocumentInterationController)
* Print the document (In a nearby printer via AirPrint)
*
*/
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Phone)
{
UIAlertController shareModeController = UIAlertController.Create("", "", UIAlertControllerStyle.ActionSheet);
UIAlertAction shareFile = UIAlertAction.Create("Share File", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
var directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var filePath = Path.Combine(directory, this.appDelegate.pdfString);
NSUrl pdfURL = NSUrl.FromFilename(filePath);
NSData pdfData = NSData.FromUrl(pdfURL);
NSObject[] dataToShare = new NSObject[] { pdfURL };
UIActivityViewController activity = new UIActivityViewController(dataToShare, null);
//UIActivityType[] activityTypes = new UIActivityType[] { UIActivityType.Print, UIActivityType.SaveToCameraRoll };
if (this.PresentedViewController == null)
{
this.PresentViewController(activity, true, null);
}
else
{
this.PresentedViewController.DismissViewController(true, () => {
this.PresentedViewController.Dispose();
this.PresentViewController(activity, true, null);
});
}
shareModeController.Dispose();
});
UIAlertAction printDocument = UIAlertAction.Create("Print Document", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
var directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var filePath = Path.Combine(directory, this.appDelegate.pdfString);
NSUrl pdfURL = NSUrl.FromFilename(filePath);
var printInformation = UIPrintInfo.PrintInfo;
printInformation.OutputType = UIPrintInfoOutputType.General;
printInformation.JobName = "Print Job";
var print = UIPrintInteractionController.SharedPrintController;
print.PrintInfo = printInformation;
print.PrintFormatter = this.pdfWebReader.ViewPrintFormatter;
print.PrintingItem = pdfURL;
print.ShowsPageRange = true;
if (UIPrintInteractionController.CanPrint(pdfURL) == true)
{
print.Present(true, (UIPrintInteractionController printInteractionController, bool completed, NSError error) =>
{
if (error != null)
{
print.Dismiss(true);
errorPrinting("Print Error!", "Cannot print your document. Check if your printer is connected");
}
else
{
Console.WriteLine("Printer success");
}
});
}
else
{
errorPrinting("Print Error!", "Cannot print your document. Check if your printer is connected");
}
shareModeController.Dispose();
});
UIAlertAction denied = UIAlertAction.Create("Cancel", UIAlertActionStyle.Cancel, (UIAlertAction obj) =>
{
shareModeController.Dispose();
});
shareModeController.AddAction(shareFile);
shareModeController.AddAction(printDocument);
shareModeController.AddAction(denied);
if (this.PresentedViewController == null)
{
this.PresentViewController(shareModeController, true, null);
}
else
{
this.PresentedViewController.DismissViewController(true, () =>
{
this.PresentedViewController.Dispose();
this.PresentViewController(shareModeController, true, null);
});
}
}
else
{
UIAlertController shareModeController = UIAlertController.Create("", "", UIAlertControllerStyle.Alert);
UIAlertAction shareFile = UIAlertAction.Create("Share File", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
var directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var filePath = Path.Combine(directory, this.appDelegate.pdfString);
NSUrl pdfURL = NSUrl.FromFilename(filePath);
NSData pdfData = NSData.FromUrl(pdfURL);
NSObject[] dataToShare = new NSObject[] { pdfURL };
UIActivityViewController activity = new UIActivityViewController(dataToShare, null);
//UIActivityType[] activityTypes = new UIActivityType[] { UIActivityType.Print, UIActivityType.SaveToCameraRoll };
if (this.PresentedViewController == null)
{
this.PresentViewController(activity, true, null);
}
else
{
this.PresentedViewController.DismissViewController(true, () =>
{
this.PresentedViewController.Dispose();
this.PresentViewController(activity, true, null);
});
}
shareModeController.Dispose();
});
UIAlertAction printDocument = UIAlertAction.Create("Print Document", UIAlertActionStyle.Default, (UIAlertAction obj) =>
{
var directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var filePath = Path.Combine(directory, this.appDelegate.pdfString);
NSUrl pdfURL = NSUrl.FromFilename(filePath);
var printInformation = UIPrintInfo.PrintInfo;
printInformation.OutputType = UIPrintInfoOutputType.General;
printInformation.JobName = "Print Job";
var print = UIPrintInteractionController.SharedPrintController;
print.PrintInfo = printInformation;
print.PrintFormatter = this.pdfWebReader.ViewPrintFormatter;
print.PrintingItem = pdfURL;
print.ShowsPageRange = true;
print.Present(true, (UIPrintInteractionController printInteractionController, bool completed, NSError error) =>
{
if (error != null)
{
print.Dismiss(true);
errorPrinting("Print Error!", "Cannot print your document. Check if your printer is connected");
}
else
{
Console.WriteLine("Printer success");
}
});
shareModeController.Dispose();
});
UIAlertAction denied = UIAlertAction.Create("Cancel", UIAlertActionStyle.Cancel, (UIAlertAction obj) =>
{
shareModeController.Dispose();
});
shareModeController.AddAction(shareFile);
shareModeController.AddAction(printDocument);
shareModeController.AddAction(denied);
if (this.PresentedViewController == null)
{
this.PresentViewController(shareModeController, true, null);
}
else
{
this.PresentedViewController.DismissViewController(true, () =>
{
this.PresentedViewController.Dispose();
this.PresentViewController(shareModeController, true, null);
});
}
}
});
UIBarButtonItem writeComment = new UIBarButtonItem("Comment", UIBarButtonItemStyle.Done, (sender, e) => {
//adjusts the toolbar items with drawing items used for drawing items on the PDF view controller
});
this.NavigationController.SetToolbarHidden(false, true);
UIBarButtonItem space_1 = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null);
UIBarButtonItem space_2 = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null);
this.NavigationController.Toolbar.Items = new UIBarButtonItem[] { searchText, space_1, space_2, share };
}
