public static ListView createListView(IList sourceView, ViewBase view, int itemsApproximation, ref int itemIndex, Rect size, out BindingList <object> list)
{
ListView listview = new ListView();
// Setting view
if (view != null)
{
listview.View = UIUtility.CreateDeepCopy <ViewBase>(view);
listview.UpdateLayout();
}
// Create Itemssource
list = new BindingList <object>();
BindingListCollectionView collectionViewSource = new BindingListCollectionView(list);
listview.ItemsSource = collectionViewSource;
//listview.GroupStyle.Add(printableListView.PrintGroupStyle);
StackPanel body = new StackPanel();
body.Children.Add(listview);
// Add the estimated items to the listview
int currentPosition = itemIndex;
for (int i = 0; i < itemsApproximation && i + currentPosition < sourceView.Count; i++)
{
object item = sourceView[itemIndex];
list.Add(item);
itemIndex++;
}
collectionViewSource.Refresh();
// Calculate the size of listview
listview.Measure(new Size());
body.Arrange(new Rect());
// Recorrect the items inside listview
while (listview.ActualHeight < size.Height && itemIndex < sourceView.Count)
{
object item = sourceView[itemIndex];
list.Add(item);
itemIndex++;
collectionViewSource.Refresh();
listview.Measure(new Size());
body.Arrange(size);
}
while (listview.ActualHeight > size.Height && itemIndex >= 0)
{
list.Remove(list[list.Count - 1]);
itemIndex--;
collectionViewSource.Refresh();
listview.Measure(new Size());
body.Arrange(size);
}
body.Children.Clear();
return(listview);
}
//protected double PrintablePageWidth;
//protected double PrintablePageHeight;
public DocumentPaginatorExtention(PrintableListView listview, Thickness margin, Size printPageArea)
{
printableListView = listview;
PageMargin = margin;
pageHeight = printPageArea.Height - PageMargin.Top - PageMargin.Bottom;
PageSize = printPageArea;
headerSize = listview.HeaderSize;
footerSize = listview.FooterSize;
if (listview.PageHeaderTemplate != null)
{
pageHeight -= headerSize.Height;
}
if (listview.PageFooterTemplate != null)
{
pageHeight -= footerSize.Height;
}
if (listview.ReportBody == null)
{
listview.ReportBody = UIUtility.CreateDeepCopy(listview.View);
}
for (int index = 0; index < (listview.View as GridView).Columns.Count; index++)
{
var col = (listview.View as GridView).Columns[index];
(listview.ReportBody as GridView).Columns[index].Width = col.ActualWidth;
}
ListCollectionView originalData = new ListCollectionView((IList)listview.ItemsSource);// (ListCollectionView)listview.ItemsSource;
CollectionViewSource source = new CollectionViewSource();
source.Source = originalData.SourceCollection;//(listview.ItemsSource as ListCollectionView)
if (printableListView.Group != null && printableListView.Group.GroupDescriptions != null)
{
foreach (GroupDescription groupDescription in printableListView.Group.GroupDescriptions)
{
source.GroupDescriptions.Add(groupDescription);
}
}
if (printableListView.Group != null)
{
printableListView.Group.groupIndex = 0;
printableListView.Group.groupPage = 0;
}
sourceView = source.View as ListCollectionView;
createPages();
pageCount = Pages.Count;
isPageCountValid = true;
documentPaginatorSource = new DocumentPaginatorSource(this);
sourceView.MoveCurrentToFirst();
groupIndex = 0;
currentGroupPageCount = 0;
}
internal FrameworkElement Render(object parentDataContext, CollectionView sourceView, ViewBase view, int itemsApproximation, ref int itemIndex, Rect size, out BindingList <object> list)
{
// The index of the grid row of the ListView
int listViewRowIndex = 0;
double pageHeight = size.Height;
// The layout of the group
Grid grid = new Grid();
grid.RowDefinitions.Add(new RowDefinition());
grid.RowDefinitions[listViewRowIndex].Height = new GridLength(1, GridUnitType.Star);
CollectionViewGroup group = sourceView.Groups[groupIndex] as CollectionViewGroup;
// Add header
if (groupPage == 0 && GroupHeader != null)
{
ContentControl groupHeaderControl = new ContentControl();
groupHeaderControl.ContentTemplate = GroupHeader;
groupHeaderControl.Height = HeaderSize.Height;
pageHeight -= HeaderSize.Height;
groupHeaderControl.Content = new HeaderFooterDataContext(parentDataContext, group.Items);
RowDefinition row = new RowDefinition();
row.Height = new GridLength(HeaderSize.Height, GridUnitType.Pixel);
grid.RowDefinitions.Insert(0, row);
grid.Children.Add(groupHeaderControl);
Grid.SetRow(groupHeaderControl, 0);
listViewRowIndex++;
}
// Page header
if (GroupPageHeader != null)
{
pageHeight -= this.PageHeaderSize.Height;
}
// Page footer
if (GroupPageFooter != null)
{
pageHeight -= this.PageFooterSize.Height;
}
list = new BindingList <object>();
ListView listview = UIUtility.createListView(group.Items, UIUtility.CreateDeepCopy <ViewBase>(view), itemsApproximation, ref itemIndex, new Rect(size.Left, size.Top, size.Width, pageHeight), out list);
HeaderFooterDataContext headerFooterContent = new HeaderFooterDataContext(parentDataContext, list);
headerFooterContent.IsFirstPage = groupPage == 0;
// group page header
if (GroupPageHeader != null)
{
ContentControl groupPageHeaderControl = new ContentControl();
groupPageHeaderControl.ContentTemplate = GroupPageHeader;
groupPageHeaderControl.Height = this.PageFooterSize.Height;
pageHeight -= this.PageHeaderSize.Height;
groupPageHeaderControl.Content = headerFooterContent;
RowDefinition row = new RowDefinition();
row.Height = new GridLength(PageHeaderSize.Height, GridUnitType.Pixel);
grid.RowDefinitions.Insert(listViewRowIndex, row);
grid.Children.Add(groupPageHeaderControl);
Grid.SetRow(groupPageHeaderControl, listViewRowIndex);
listViewRowIndex++;
}
// group page footer
if (GroupPageFooter != null)
{
ContentControl groupPageFooterControl = new ContentControl();
groupPageFooterControl.ContentTemplate = GroupPageFooter;
groupPageFooterControl.Height = this.PageFooterSize.Height;
pageHeight -= this.PageHeaderSize.Height;
groupPageFooterControl.Content = headerFooterContent;
RowDefinition row = new RowDefinition();
row.Height = new GridLength(PageFooterSize.Height, GridUnitType.Pixel);
grid.RowDefinitions.Insert(listViewRowIndex + 1, row);
grid.Children.Add(groupPageFooterControl);
Grid.SetRow(groupPageFooterControl, listViewRowIndex + 1);
}
// Group footer
if (itemIndex >= group.ItemCount - 1)
{
headerFooterContent.IsLastPage = true;
if (GroupFooter != null &&
listview.ActualHeight + FooterSize.Height <= pageHeight)
{
groupPage = 0;
groupIndex++;
itemIndex = 0;
ContentControl groupFooterControl = new ContentControl();
groupFooterControl.ContentTemplate = GroupHeader;
groupFooterControl.Height = FooterSize.Height;
pageHeight -= HeaderSize.Height;
groupFooterControl.Content = new HeaderFooterDataContext(parentDataContext, group.Items);
RowDefinition row = new RowDefinition();
row.Height = new GridLength(FooterSize.Height, GridUnitType.Pixel);
grid.RowDefinitions.Add(row);
grid.Children.Add(groupFooterControl);
Grid.SetRow(groupFooterControl, grid.RowDefinitions.Count - 1);
}
else
{
list.Remove(list[list.Count - 1]);
itemIndex--;
(listview.ItemsSource as CollectionView).Refresh();
groupPage++;
}
}
else
{
groupPage++;
}
grid.Children.Add(listview);
Grid.SetRow(listview, listViewRowIndex);
return(grid);
}