public SectionContent(
IEnumerable <PageContextElement> childs,
ColumnsConfiguration columnsConfiguration,
SectionContentBreak sectionBreak)
{
_childs = childs.ToArray();
_columnsConfiguration = columnsConfiguration;
this.SectionBreak = sectionBreak;
}
public void Prepare(
PageRegion previousSection,
PageRegion previousContent,
SectionContentBreak previousBreak,
Func <PageNumber, IPage> pageFactory)
{
var context = this.CreateInitialPageContext(previousSection, previousContent, previousBreak, pageFactory);
Func <PagePosition, PageContextElement, PageContext> childContextRequest = (pagePosition, child)
=> this.OnChildPageContextRequest(pagePosition, pageFactory);
var spaceAfterPrevious = 0.0;
foreach (var child in _childs)
{
child.Prepare(context, childContextRequest);
var lastRegion = child.LastPageRegion;
spaceAfterPrevious = child.CalculateSpaceAfter(_childs);
context = this.CreateContextForPagePosition(lastRegion.PagePosition, lastRegion.Region, spaceAfterPrevious, pageFactory);
}
this.ResetPageRegionsFrom(_childs);
}
private PageContext CreateInitialPageContext(
PageRegion previousSection,
PageRegion previousContent,
SectionContentBreak previousBreak,
Func <PageNumber, IPage> pageFactory)
{
var spaceAfterPrevious = 0;
switch (previousBreak)
{
case SectionContentBreak.None:
{
var pp = previousSection.PagePosition.SamePage(PageColumn.First, _columnsConfiguration.ColumnsCount);
return(this.CreateContextForPagePosition(pp, previousSection.Region, spaceAfterPrevious, pageFactory));
}
case SectionContentBreak.Column:
{
var pp = previousContent.PagePosition.Next();
var occupiedRegion = pp.PageNumber == previousSection.PagePosition.PageNumber
? previousSection.Region
: Rectangle.Empty;
return(this.CreateContextForPagePosition(pp, occupiedRegion, spaceAfterPrevious, pageFactory));
}
case SectionContentBreak.Page:
{
var pp = previousContent.PagePosition.NextPage(PageColumn.First, _columnsConfiguration.ColumnsCount);
return(this.CreateContextForPagePosition(pp, Rectangle.Empty, spaceAfterPrevious, pageFactory));
}
default:
throw new RendererException("unhandled section break;");
}
}