/// <summary>
/// This function creates and adds one print preview page to the internal cache of print preview
/// pages stored in printPreviewPages.
/// </summary>
/// <param name="printPageDescription">Printer's page description</param>
private void AddOnePrintPreviewPage(PrintPageDescription printPageDescription)
{
// Set "paper" width
_printPage.Width = printPageDescription.PageSize.Width;
_printPage.Height = printPageDescription.PageSize.Height;
var printableArea = (Grid)_printPage.Content;
// Get the margins size
// If the ImageableRect is smaller than the app provided margins use the ImageableRect
double marginWidth = Math.Max(
printPageDescription.PageSize.Width - printPageDescription.ImageableRect.Width,
printPageDescription.PageSize.Width * ApplicationContentMarginLeft * 2);
double marginHeight =
Math.Max(printPageDescription.PageSize.Height - printPageDescription.ImageableRect.Height,
printPageDescription.PageSize.Height * ApplicationContentMarginTop * 2);
// Set-up "printable area" on the "paper"
printableArea.Width = _printPage.Width - marginWidth;
printableArea.Height = _printPage.Height - marginHeight;
// Add the (newley created) page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(_printPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
// Add the page to the page preview collection
PrintPreviewPages.Add(_printPage);
}
/// <summary>
/// Provide print content for scenario 1 first page
/// </summary>
protected override void PreparetPrintContent()
{
if (ViewModel == null || ViewModel.ReisMogelijkheden == null)
{
return;
}
if (firstPage == null)
{
firstPage = new PrintContentTest();
string html = string.Empty;
foreach (var reis in ViewModel.ReisMogelijkheden)
{
html += reis.GetAsHtmlForPrint();
}
firstPage.DataContext = html;
}
// Add the (newley created) page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(firstPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
/// <summary>
/// Factory method for every scenario that will create/generate print content specific to each scenario
/// For scenarios 1-5: it will create the first page from which content will flow
/// Scenario 6 uses a different approach
/// </summary>
private void PreparetPrintContent()
{
_printPage = new PrintPage(_currentComic);
// Add the (newley created) page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Clear();
PrintingRoot.Children.Add(_printPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
private void ShowContent(string selectionText)
{
bool hasSelection = !string.IsNullOrEmpty(selectionText);
selectionMode = hasSelection;
// Hide/show images depending by the selected text
StackPanel header = (StackPanel)firstPage.FindName("header");
header.Visibility = hasSelection ? Windows.UI.Xaml.Visibility.Collapsed : Windows.UI.Xaml.Visibility.Visible;
Grid pageContent = (Grid)firstPage.FindName("printableArea");
pageContent.RowDefinitions[0].Height = GridLength.Auto;
Image scenarioImage = (Image)firstPage.FindName("scenarioImage");
scenarioImage.Visibility = hasSelection ? Windows.UI.Xaml.Visibility.Collapsed : Windows.UI.Xaml.Visibility.Visible;
// Expand the middle paragraph on the full page if printing only selected text
RichTextBlockOverflow firstLink = (RichTextBlockOverflow)firstPage.FindName("firstLinkedContainer");
firstLink.SetValue(Grid.ColumnSpanProperty, hasSelection ? 2 : 1);
// Clear(hide) current text and add only the selection if a selection exists
RichTextBlock mainText = (RichTextBlock)firstPage.FindName("textContent");
RichTextBlock textSelection = (RichTextBlock)firstPage.FindName("textSelection");
// Main (default) scenario text
mainText.Visibility = hasSelection ? Windows.UI.Xaml.Visibility.Collapsed : Windows.UI.Xaml.Visibility.Visible;
mainText.OverflowContentTarget = hasSelection ? null : firstLink;
// Scenario text-blocks used for displaying selection
textSelection.OverflowContentTarget = hasSelection ? firstLink : null;
textSelection.Visibility = hasSelection ? Windows.UI.Xaml.Visibility.Visible : Windows.UI.Xaml.Visibility.Collapsed;
textSelection.Blocks.Clear();
// Force the visual root to go through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.InvalidateArrange();
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
// Add the text selection if any
if (hasSelection)
{
Run inlineText = new Run();
inlineText.Text = selectionText;
Paragraph paragraph = new Paragraph();
paragraph.Inlines.Add(inlineText);
textSelection.Blocks.Add(paragraph);
}
}
/// <summary>
/// This is the event handler for PrintDocument.GetPrintPreviewPage. It provides a specific print page preview,
/// in the form of an UIElement, to an instance of PrintDocument.
/// PrintDocument subsequently converts the UIElement into a page that the Windows print system can deal with.
/// </summary>
/// <param name="sender">The print documet.</param>
/// <param name="e">Arguments containing the requested page preview.</param>
protected async override void GetPrintPreviewPage(object sender, GetPreviewPageEventArgs e)
{
// Store a local copy of the request count to use later to determine if the computed page is out of date.
// If the page preview is unavailable an async operation will generate the content.
// When the operation completes there is a chance that a pagination request was already made therefore making this page obsolete.
// If the page is obsolete throw away the result (don't call SetPreviewPage) since a new GetPrintPreviewPage will server that request.
long requestNumber = 0;
Interlocked.Exchange(ref requestNumber, requestCount);
int pageNumber = e.PageNumber;
UIElement page;
bool pageReady = false;
// Try to get the page if it was previously generated.
lock (printSync)
{
pageReady = pageCollection.TryGetValue(pageNumber - 1, out page);
}
if (!pageReady)
{
// The page is not available yet.
page = await GeneratePage(pageNumber, currentPageDescription);
// If the ticket changed discard the result since the content is outdated.
if (Interlocked.CompareExchange(ref requestNumber, requestNumber, requestCount) != requestCount)
{
return;
}
// Store the page in the list in case an invalidate happens but the content doesn't need to be regenerated.
lock (printSync)
{
pageCollection[pageNumber - 1] = page;
// Add the newly created page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(page);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
}
PrintDocument printDoc = (PrintDocument)sender;
// Send the page to preview.
printDoc.SetPreviewPage(pageNumber, page);
}
/// <summary>
/// Provide print content for scenario 2 first page
/// </summary>
protected override void PreparetPrintContent()
{
if (firstPage == null)
{
firstPage = new ScenarioOutput2();
StackPanel header = (StackPanel)firstPage.FindName("header");
header.Visibility = Windows.UI.Xaml.Visibility.Visible;
}
// Add the (newley created) page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(firstPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
protected override void PreparetPrintContent()
{
if (firstPage == null)
{
vm = (PresenterVM)VM;
var ht = 400; // itemListView.ActualHeight;
var wd = 300; // itemListView.ActualWidth;
var imgUrl = string.Format(url, vm.CurrentQuestion.Id, wd, ht);
firstPage = new ReportPrint()
{
ImageUrl = imgUrl
};
}
PrintingRoot.Children.Add(firstPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
/// <summary>
/// Prepares the content for the printer based on the current selection
/// </summary>
protected override void PreparePrintContent()
{
// Create a session printout
firstPage = new SessionPrintout();
// If there's no selection then stop
if (itemListView.SelectedIndex == -1)
{
return;
}
// Otherwise load the selected session
Session selectedSession = itemListView.SelectedItem as Session;
// Set the basic variables
(firstPage.FindName("lblTitle") as TextBlock).Text = "Session: " + selectedSession.Title;
(firstPage.FindName("lblGames") as TextBlock).Text = "Games Played: " + selectedSession.GameIDs.Count.ToString();
(firstPage.FindName("lblMembers") as TextBlock).Text = "Members attended: " + selectedSession.Members.Count.ToString();
// Finally we fill in the game information
// Loop games
foreach (Game game in selectedSession.Games.OrderByDescending(x => x.ModelCreationTime))
{
// Make a new textblock and set up basic properties
TextBlock block = new TextBlock();
block.FontSize = 22;
block.Margin = new Thickness(0, 5, 0, 5);
block.Foreground = new SolidColorBrush(Windows.UI.Colors.Black);
block.HorizontalAlignment = Windows.UI.Xaml.HorizontalAlignment.Left;
// Copy the style from the title
block.Style = (firstPage.FindName("lblPnlGamesTitle") as TextBlock).Style;
// We take the white player's name first
block.Text = game.WhitePlayer.Name;
// Then concatenate whether they won or lost
block.Text += (game.Winner == "White" ? " won against " : game.Winner == "Black" ? " lost to " : " drew with ");
// Finally add the black player's name
block.Text += game.BlackPlayer.Name;
// Add it to the panel of games
(firstPage.FindName("pnlGames") as StackPanel).Children.Add(block);
}
PrintingRoot.Children.Add(firstPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
private static RichTextBlockOverflow AddOnePrintPreviewPage(RichTextBlockOverflow lastRTBOAdded, PrintPageDescription printPageDescription)
{
// Create a cavase which represents the page
Canvas page = new Canvas();
page.Width = printPageDescription.PageSize.Width;
page.Height = printPageDescription.PageSize.Height;
PageLoadState pageState = new PageLoadState(page, printPreviewPages.Count);
pageState.ReadyAction = async(pageNumber, currentPage) =>
{
// Ignore if this is not the current page
if (Interlocked.CompareExchange(ref currentPreviewPage, currentPreviewPage, pageNumber) == pageNumber)
{
await Window.Current.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
//await new Windows.UI.Popups.MessageDialog("Content loaded").ShowAsync();
printDocument.SetPreviewPage(pageNumber + 1, currentPage);
});
}
};
// Create a grid which contains the actual content to be printed
Grid content = new Grid();
// Get the margins size
// If the ImageableRect is smaller than the app provided margins use the ImageableRect
double marginWidth = Math.Max(printPageDescription.PageSize.Width - printPageDescription.ImageableRect.Width,
printPageDescription.PageSize.Width * ApplicationContentMarginLeft * 2);
double marginHeight = Math.Max(printPageDescription.PageSize.Height - printPageDescription.ImageableRect.Height,
printPageDescription.PageSize.Height * ApplicationContentMarginTop * 2);
// Set content size based on the given margins
content.Width = printPageDescription.PageSize.Width - marginWidth;
content.Height = printPageDescription.PageSize.Height - marginHeight;
// Set content margins
content.SetValue(Canvas.LeftProperty, marginWidth / 2);
content.SetValue(Canvas.TopProperty, marginHeight / 2);
// Add the RowDefinitions to the Grid which is a content to be printed
RowDefinition rowDef = new RowDefinition();
rowDef.Height = new GridLength(2.5, GridUnitType.Star);
content.RowDefinitions.Add(rowDef);
rowDef = new RowDefinition();
rowDef.Height = new GridLength(3.5, GridUnitType.Star);
content.RowDefinitions.Add(rowDef);
rowDef = new RowDefinition();
rowDef.Height = new GridLength(1.5, GridUnitType.Star);
content.RowDefinitions.Add(rowDef);
// If lastRTBOAdded is null then we know we are creating the first page.
bool isFirstPage = lastRTBOAdded == null;
FrameworkElement previousLTCOnPage = null;
RichTextBlockOverflow rtbo = new RichTextBlockOverflow();
// Create the linked containers and and add them to the content grid
if (isFirstPage)
{
// The first linked container in a chain of linked containers is is always a RichTextBlock
RichTextBlock rtbl = new RichTextBlock();
rtbl.SetValue(Grid.RowProperty, 0);
rtbl = AddContentToRTBl(rtbl);
int a = rtbl.Blocks.Count();
rtbl.Foreground = new SolidColorBrush(Windows.UI.Colors.Black);
content.Children.Add(rtbl);
// Save the RichTextBlock as the last linked container added to this page
previousLTCOnPage = rtbl;
}
else
{
// This is not the first page so the first element on this page has to be a
// RichTextBoxOverflow that links to the last RichTextBlockOverflow added to
// the previous page.
rtbo = new RichTextBlockOverflow();
rtbo.SetValue(Grid.RowProperty, 0);
content.Children.Add(rtbo);
// Keep text flowing from the previous page to this page by setting the linked text container just
// created (rtbo) as the OverflowContentTarget for the last linked text container from the previous page
lastRTBOAdded.OverflowContentTarget = rtbo;
// Save the RichTextBlockOverflow as the last linked container added to this page
previousLTCOnPage = rtbo;
}
if (ShowText)
{
// Create the next linked text container for on this page.
rtbo = new RichTextBlockOverflow();
rtbo.SetValue(Grid.RowProperty, 1);
// Add the RichTextBlockOverflow to the content to be printed.
content.Children.Add(rtbo);
// Add the new RichTextBlockOverflow to the chain of linked text containers. To do this we much check
// to see if the previous container is a RichTextBlock or RichTextBlockOverflow.
if (previousLTCOnPage is RichTextBlock)
{
((RichTextBlock)previousLTCOnPage).OverflowContentTarget = rtbo;
}
else
{
((RichTextBlockOverflow)previousLTCOnPage).OverflowContentTarget = rtbo;
}
// Save the last linked text container added to the chain
previousLTCOnPage = rtbo;
// Create the next linked text container for on this page.
rtbo = new RichTextBlockOverflow();
rtbo.SetValue(Grid.RowProperty, 2);
content.Children.Add(rtbo);
// Add the new RichTextBlockOverflow to the chain of linked text containers. We don't have to check
// the type of the previous linked container this time because we know it's a RichTextBlockOverflow element
((RichTextBlockOverflow)previousLTCOnPage).OverflowContentTarget = rtbo;
}
// We are done creating the content for this page. Add it to the Canvas which represents the page
page.Children.Add(content);
// Add the newley created page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(page);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
// Add the newley created page to the list of pages
printPreviewPages.Add(pageState);
// Return the last linked container added to the page
return(rtbo);
}
/// <summary>
/// Load the print content for the page
/// </summary>
protected override void PreparePrintContent()
{
firstPage = new MemberPrintout();
if (itemListView.SelectedIndex == -1)
{
return;
}
Member selectedMember = itemListView.SelectedItem as Member;
// List of controls on print canvas:
// imgMemberPhoto, lblName, lblEmail, lblGames, lblSessions, lblElo, lblGame<1-10>, lblSession<1-10>
int gamesWon = selectedMember.Games.Count(x => (
// This is a lambda (inline function) collecting all games where the selectedMember won:
x.BlackPlayerID == selectedMember.ID && x.Winner == "Black" || x.WhitePlayerID == selectedMember.ID && x.Winner == "White"
));
int gamesLost = selectedMember.Games.Count(x => (
// This is a lambda (inline function) collecting all games where the selectedMember lost:
x.BlackPlayerID == selectedMember.ID && x.Winner == "White" || x.WhitePlayerID == selectedMember.ID && x.Winner == "Black"
));
int eloPercent;
// Get number of players with more elo
int above = App.db.Members.Count(member => member.ELO > selectedMember.ELO);
// Calculate the percentage of members above this player
eloPercent = (int)((double)(100 / App.db.Members.Count) * above);
(firstPage.FindName("imgMemberPhoto") as Image).Source = selectedMember.Bitmap;
(firstPage.FindName("lblName") as TextBlock).Text = "Name: " + selectedMember.Name;
(firstPage.FindName("lblEmail") as TextBlock).Text = "Email: " + selectedMember.Email;
(firstPage.FindName("lblGames") as TextBlock).Text = "Number of games played: " + selectedMember.Games.Count + " (" + gamesLost.ToString() + " Lost, " + gamesWon.ToString() + " Won)";
// We do a quick inline function here to count the number of sessions rather than extracting it into a variable
(firstPage.FindName("lblSessions") as TextBlock).Text = "Number of sessions attended: " + (App.db.Sessions.Count(x => x.Members.Contains(selectedMember)));
(firstPage.FindName("lblElo") as TextBlock).Text = "Elo: " + selectedMember.ELO + " (Top " + eloPercent.ToString() + "% of all members)";
// Finally we fill in the game and session information
for (int i = 0; i < 10; i++)
{
if (selectedMember.Games.Count > i)
{
Game game = (selectedMember.Games.OrderByDescending(x => x.ModelCreationTime).ToList())[i];
string outcome;
// Figure out whether they won, lost or drew
if (game.Winner == "White" && game.WhitePlayerID == selectedMember.ID || game.Winner == "Black" && game.BlackPlayerID == selectedMember.ID)
{
outcome = "Won against ";
}
else if (game.Winner == "White" || game.Winner == "Black")
{
outcome = "Lost to ";
}
else
{
outcome = "Drew with ";
}
// Append the other player's name
if (game.WhitePlayerID == selectedMember.ID)
{
outcome += game.BlackPlayer.Name;
}
else
{
outcome += game.WhitePlayer.Name;
}
// Set label text
(firstPage.FindName("lblGame" + (i + 1)) as TextBlock).Text = outcome;
}
else
{
// Set label text
(firstPage.FindName("lblGame" + (i + 1)) as TextBlock).Text = "";
}
}
for (int i = 0; i < 10; i++)
{
// Put up to ten sessions on the page
List <Session> sessions = App.db.Sessions.Where(x => x.Members.Contains(selectedMember)).OrderByDescending(x => x.ModelCreationTime).ToList();
if (sessions.Count > i)
{
Session session = sessions[i];
(firstPage.FindName("lblSession" + (i + 1)) as TextBlock).Text = session.Title;
}
else
{
// If we run out then just make it blank
(firstPage.FindName("lblSession" + (i + 1)) as TextBlock).Text = "";
}
}
// Add the first page to the page root and force it to render
PrintingRoot.Children.Add(firstPage);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
}
private RichTextBlockOverflow AddOnePrintPreviewPage(RichTextBlockOverflow lastRTBOAdded, PrintPageDescription printPageDescription, int index)
{
// XAML element that is used to represent to "printing page"
FrameworkElement page;
// The link container for text overflowing in this page
RichTextBlockOverflow textLink;
// Check if this is the first page (no previous RichTextBlockOverflow)
if (lastRTBOAdded == null)
{
// If this is the first page add the specific scenario content
page = NeedToPrintPages[index];
}
else
{
// Flow content (text) from previous pages
page = new PrintPage(lastRTBOAdded);
// Remove the duplicate OverflowContentTarget.
((RichTextBlock)page.FindName("textContent")).OverflowContentTarget = null;
}
// Set paper width
page.Width = printPageDescription.PageSize.Width;
page.Height = printPageDescription.PageSize.Height;
Grid printableArea = (Grid)page.FindName("printableArea");
// Get the margins size
// If the ImageableRect is smaller than the app provided margins use the ImageableRect
double marginWidth = Math.Max(printPageDescription.PageSize.Width - printPageDescription.ImageableRect.Width, printPageDescription.PageSize.Width * HorizontalPrintMargin * 2);
double marginHeight = Math.Max(printPageDescription.PageSize.Height - printPageDescription.ImageableRect.Height, printPageDescription.PageSize.Height * VerticalPrintMargin * 2);
// Set-up "printable area" on the "paper"
printableArea.Width = page.Width - marginWidth;
printableArea.Height = page.Height - marginHeight;
// Add the (newly created) page to the printing root which is part of the visual tree and force it to go
// through layout so that the linked containers correctly distribute the content inside them.
PrintingRoot.Children.Add(page);
PrintingRoot.InvalidateMeasure();
PrintingRoot.UpdateLayout();
// Find the last text container and see if the content is overflowing
textLink = (RichTextBlockOverflow)page.FindName("continuationPageLinkedContainer");
// Add page number
this.pageNumber += 1;
TextBlock pageNumberTextBlock = (TextBlock)page.FindName("pageNumber");
if (pageNumberTextBlock != null)
{
pageNumberTextBlock.Text = string.Format("- {0} -", this.pageNumber);
}
// Add the page to the page preview collection
printPreviewPages.Add(page);
return(textLink);
}
