protected internal override LayoutArea UpdateCurrentArea(LayoutResult overflowResult)
{
if (overflowResult != null && overflowResult.GetAreaBreak() != null && overflowResult.GetAreaBreak().GetAreaType
() != AreaBreakType.NEXT_AREA)
{
nextAreaNumber = 0;
}
if (nextAreaNumber % columns.Length == 0)
{
base.UpdateCurrentArea(overflowResult);
}
return(currentArea = new RootLayoutArea(currentPageNumber, columns[nextAreaNumber++ % columns.Length].Clone
()));
}
protected internal override LayoutArea UpdateCurrentArea(LayoutResult overflowResult)
{
AreaBreak areaBreak = overflowResult != null && overflowResult.GetAreaBreak() != null?overflowResult.GetAreaBreak
() : null;
MoveToNextPage();
while (areaBreak != null && areaBreak.GetAreaType() == AreaBreakType.LAST_PAGE && currentPageNumber < document
.GetPdfDocument().GetNumberOfPages())
{
MoveToNextPage();
}
PageSize customPageSize = areaBreak != null?areaBreak.GetPageSize() : null;
while (document.GetPdfDocument().GetNumberOfPages() >= currentPageNumber && document.GetPdfDocument().GetPage
(currentPageNumber).IsFlushed())
{
currentPageNumber++;
}
PageSize lastPageSize = EnsureDocumentHasNPages(currentPageNumber, customPageSize);
if (lastPageSize == null)
{
lastPageSize = new PageSize(document.GetPdfDocument().GetPage(currentPageNumber).GetPageSize());
}
return(currentArea = new LayoutArea(currentPageNumber, document.GetPageEffectiveArea(lastPageSize)));
}
/* (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);
}
public virtual void LayoutTest()
{
AreaBreakRenderer areaBreakRenderer = new AreaBreakRenderer(new AreaBreak());
LayoutResult layoutResult = areaBreakRenderer.Layout(new LayoutContext(null));
NUnit.Framework.Assert.AreEqual(LayoutResult.NOTHING, layoutResult.GetStatus());
NUnit.Framework.Assert.IsNull(layoutResult.GetOccupiedArea());
NUnit.Framework.Assert.IsNull(layoutResult.GetSplitRenderer());
NUnit.Framework.Assert.IsNull(layoutResult.GetOverflowRenderer());
NUnit.Framework.Assert.AreEqual(areaBreakRenderer, layoutResult.GetCauseOfNothing());
NUnit.Framework.Assert.AreEqual(areaBreakRenderer.areaBreak, layoutResult.GetAreaBreak());
}
protected override LayoutArea UpdateCurrentArea(LayoutResult overflowResult)
{
if (overflowResult != null && overflowResult.GetAreaBreak() != null && overflowResult.GetAreaBreak().GetAreaType
() != AreaBreakType.NEXT_AREA)
{
this.nextAreaNumber = 0;
}
if (this.nextAreaNumber % this.columns.Length == 0)
{
base.UpdateCurrentArea(overflowResult);
}
this.currentAreaNumber = this.nextAreaNumber + 1;
return(this.currentArea = new RootLayoutArea(this.currentPageNumber, this.columns[this.nextAreaNumber++ % this
.columns.Length].Clone()));
}
protected internal override LayoutArea UpdateCurrentArea(LayoutResult overflowResult)
{
FlushWaitingDrawingElements();
LayoutTaggingHelper taggingHelper = this.GetProperty <LayoutTaggingHelper>(Property.TAGGING_HELPER);
if (taggingHelper != null)
{
taggingHelper.ReleaseFinishedHints();
}
AreaBreak areaBreak = overflowResult != null && overflowResult.GetAreaBreak() != null?overflowResult.GetAreaBreak
() : null;
if (areaBreak != null && areaBreak.GetAreaType() == AreaBreakType.LAST_PAGE)
{
while (currentPageNumber < document.GetPdfDocument().GetNumberOfPages())
{
MoveToNextPage();
}
}
else
{
MoveToNextPage();
}
PageSize customPageSize = areaBreak != null?areaBreak.GetPageSize() : null;
while (document.GetPdfDocument().GetNumberOfPages() >= currentPageNumber && document.GetPdfDocument().GetPage
(currentPageNumber).IsFlushed())
{
currentPageNumber++;
}
PageSize lastPageSize = EnsureDocumentHasNPages(currentPageNumber, customPageSize);
if (lastPageSize == null)
{
lastPageSize = new PageSize(document.GetPdfDocument().GetPage(currentPageNumber).GetTrimBox());
}
return(currentArea = new RootLayoutArea(currentPageNumber, GetCurrentPageEffectiveArea(lastPageSize)));
}
