/* (non-Javadoc)
* @see com.itextpdf.layout.renderer.DocumentRenderer#updateCurrentArea(com.itextpdf.layout.layout.LayoutResult)
*/
protected override LayoutArea UpdateCurrentArea(LayoutResult overflowResult) {
AreaBreak areaBreak = overflowResult != null ? overflowResult.GetAreaBreak() : null;
if (areaBreak is HtmlPageBreak) {
HtmlPageBreakType htmlPageBreakType = ((HtmlPageBreak)areaBreak).GetBreakType();
if (shouldTrimFirstBlankPagesCausedByBreakBeforeFirstElement && currentArea != null && overflowResult.GetStatus
() == LayoutResult.NOTHING && currentArea.IsEmptyArea() && currentArea.GetPageNumber() == 1) {
// Remove blank page that was added just to have area for elements to layout on.
// Now we will add a page with dimensions and all the stuff that is requested by page-break-before
document.GetPdfDocument().RemovePage(1);
currentPageNumber = 0;
overflowResult = null;
currentArea = null;
shouldTrimFirstBlankPagesCausedByBreakBeforeFirstElement = false;
if (HtmlPageBreakType.LEFT.Equals(htmlPageBreakType) && !IsPageLeft(1) || HtmlPageBreakType.RIGHT.Equals(htmlPageBreakType
) && !IsPageRight(1)) {
evenPagesAreLeft = !evenPagesAreLeft;
}
}
// hack to change the "evenness" of the first page without adding an unnecessary blank page
anythingAddedToCurrentArea = anythingAddedToCurrentArea || overflowResult != null && overflowResult.GetStatus
() == LayoutResult.PARTIAL;
if (HtmlPageBreakType.ALWAYS.Equals(htmlPageBreakType)) {
LayoutArea nextArea = currentArea;
if (anythingAddedToCurrentArea || currentArea == null) {
nextArea = base.UpdateCurrentArea(overflowResult);
}
anythingAddedToCurrentArea = false;
return nextArea;
}
else {
if (HtmlPageBreakType.LEFT.Equals(htmlPageBreakType)) {
LayoutArea nextArea = currentArea;
if (anythingAddedToCurrentArea || currentArea == null || !IsPageLeft(currentPageNumber)) {
do {
nextArea = base.UpdateCurrentArea(overflowResult);
}
while (!IsPageLeft(currentPageNumber));
}
anythingAddedToCurrentArea = false;
return nextArea;
}
else {
if (HtmlPageBreakType.RIGHT.Equals(htmlPageBreakType)) {
LayoutArea nextArea = currentArea;
if (anythingAddedToCurrentArea || currentArea == null || !IsPageRight(currentPageNumber)) {
do {
nextArea = base.UpdateCurrentArea(overflowResult);
}
while (!IsPageRight(currentPageNumber));
}
anythingAddedToCurrentArea = false;
return nextArea;
}
}
}
}
anythingAddedToCurrentArea = false;
return base.UpdateCurrentArea(overflowResult);
}
/// <summary>Instantiates a new html page break.</summary>
/// <param name="type">the page break type</param>
public HtmlPageBreak(HtmlPageBreakType type)
{
this.breakType = type;
}