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B2020-108: Pagination not always keeping parent step with table

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This commit is contained in:
Kathy Ruffing 2020-09-02 13:07:48 +00:00
parent b59aea9ab6
commit b65815bd79
1 changed files with 58 additions and 2 deletions
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60
PROMS/Volian.Print.Library/Pagination.cs
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@ -616,7 +616,12 @@ namespace Volian.Print.Library
// ShowPageBreak(6, CheckForCompression("HLS will have to split on current page"), "Special", YSize, yPageSizeNextPage, yWithinMargins, ManualPageBreak);
//BuildPageBreakList(yWithinMargins + SixLinesPerInch, yPageSizeNextPage + yExtra2, KeepStepsOnPage); // Case 5 - Determine items where page break(s) occur
// B2020-027: adjust for lines that may print on first page of section only, added MyPageHelper.PrintedSectionPage
BuildPageBreakList(ySpaceOnFirstPage, yPageSize + yExtra2 + MyPageHelper.PrintedSectionPage, KeepStepsOnPage, yEndMsg, doSectionTitleContinued & SectionShowTitles, false); // Case 5 - Determine items where page break(s) occur
// B2020-108: The bug itself was related to keeping a table with its parent. However compression for some pages was
// not working because onnewpage was always false in the next BuildPageBreakList call. onnewpage is used to determine compression
// (has to be on a new page to compress page). Use calculated value rather than always false in this case.
bool onnewpage = MyItemInfo.MyPrevious == null && (MyItemInfo.MyActiveSection as SectionInfo) != null
&& (MyItemInfo.MyActiveSection as SectionInfo).IsSeparatePagination();
BuildPageBreakList(ySpaceOnFirstPage, yPageSize + yExtra2 + MyPageHelper.PrintedSectionPage, KeepStepsOnPage, yEndMsg, doSectionTitleContinued & SectionShowTitles, onnewpage); // Case 5 - Determine items where page break(s) occur
// ooooo ooooo ooooo .oooooo..o .oooooo..o oooo o8o . .oooooo. .
// `888' `888' `888' d8P' `Y8 d8P' `Y8 `888 `"' .o8 d8P' `Y8b .o8
// 888 888 888 Y88bo. Y88bo. oo.ooooo. 888 oooo .o888oo 888 oooo oooo oooo d8b oooo d8b .ooooo. ooo. .oo. .o888oo
@ -1447,6 +1452,35 @@ namespace Volian.Print.Library
return true;
return false;
}
// B2020-108: Original FindPageBreak was renamed to FindPageBreak1 so that an additional check can be made after
// the page break is found. Check if the location identified is a parent of a table that is too long to allow parent to fit
// on the same page, if so break at the table rather than the parent.
private static vlnParagraph FindPageBreak(float yStart, float yUpperLimit, float yLowerLimit, StepLevelList myList, vlnParagraph lastBreak, float fullPage,
float myBottomMsgSpace, bool RNOContinueOnly, float yTop)
{
vlnParagraph myPara = FindPageBreak1(yStart, yUpperLimit, yLowerLimit, myList, lastBreak, fullPage, myBottomMsgSpace, RNOContinueOnly, yTop);
float yLocation = GetYLocationFromMyList(myPara, myList);
float spaceOnPage = yUpperLimit + yLocation;
if (myPara.YSize > spaceOnPage && myPara.ChildrenBelow != null && myPara.ChildrenBelow.Count > 0
&& myPara.ChildrenBelow[0].MyItemInfo.IsTable && spaceOnPage > 0)
{
vlnParagraph tpara = myPara.ChildrenBelow[0] as vlnParagraph;
if (tpara.YSize + myPara.Height > yUpperLimit) return tpara;
}
return myPara;
}
private static float GetYLocationFromMyList(vlnParagraph myPara, StepLevelList myList)
{
foreach (int stepLevel in myList.Keys) // loop thru StepLevels, starting with lowest.
{
foreach (float yLocation in myList[stepLevel].Keys) // loop thru yLocation
{
vlnParagraph pg = myList[stepLevel][yLocation];
if (pg == myPara) return -yLocation;
}
}
return 0;
}
/// <summary>
/// Finds the highest StepLevel (lowest StepLevel number, 0 = HLS, 1 = first substep) that
/// fills the page sufficiently (more than half-full)
@ -1455,7 +1489,7 @@ namespace Volian.Print.Library
/// <param name="yTop"></param>
/// <param name="myList"></param>
/// <returns></returns>
private static vlnParagraph FindPageBreak(float yStart, float yUpperLimit, float yLowerLimit, StepLevelList myList, vlnParagraph lastBreak, float fullPage,
private static vlnParagraph FindPageBreak1(float yStart, float yUpperLimit, float yLowerLimit, StepLevelList myList, vlnParagraph lastBreak, float fullPage,
float myBottomMsgSpace,bool RNOContinueOnly, float yTop)
{
vlnParagraph minPara = null;
@ -1464,6 +1498,28 @@ namespace Volian.Print.Library
vlnParagraph minPara2 = null;
float? yLocationMin2=null;
float yAddForBtmMsg = 0;
// useful for debugging pagination issues, lastbreak gets the paragraph at the top of the previous page, shows all
// of the locations within 'range' on the next page.
//if (lastBreak != null && lastBreak.MyItemInfo.InList(72481))
//{
// int range = 120;
// Console.WriteLine("lastBreak = {0}, {1}", yUpperLimit, lastBreak);
// foreach (int stepLevel in myList.Keys) // loop thru StepLevels, starting with lowest.
// {
// foreach (float yLocation in myList[stepLevel].Keys) // loop thru yLocation
// {
// if (-yLocation > yUpperLimit - range && -yLocation <= yUpperLimit + range)
// {
// vlnParagraph pg = myList[stepLevel][yLocation];
// if (pg.PartsAbove != null && pg.PartsAbove.Count > 0)
// Console.WriteLine("{0}\t{1}\t{2}\t{3}\t{4}\t\"{5}\"", stepLevel, yUpperLimit + yLocation, (yUpperLimit + yLocation) - pg.Height, pg.YOffset, (pg.PartsAbove[0] as vlnPrintObject).YOffset, pg);
// else
// Console.WriteLine("{0}\t{1}\t{2}\t\"{3}\"", stepLevel, yUpperLimit + yLocation, (yUpperLimit + yLocation) - pg.Height, pg);
// }
// }
// }
//}
foreach (int stepLevel in myList.Keys) // loop thru StepLevels, starting with lowest.
{
foreach (float yLocation in myList[stepLevel].Keys) // loop thru yLocation