364 lines
20 KiB
C#
364 lines
20 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using VEPROMS.CSLA.Library;
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using Volian.Base.Library;
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using iTextSharp.text.pdf;
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using Volian.Svg.Library;
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namespace Volian.Print.Library
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{
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public partial class vlnParagraph
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{
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/// <summary>
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/// This variable is used to match 16 bit pagination
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/// </summary>
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private bool _Match16BitPagination = false;
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/// <summary>
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/// Dtermines if the current step is preceded by a Page Break
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/// </summary>
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/// <param name="yLocation"></param>
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/// <param name="yTopMargin"></param>
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/// <param name="yBottomMargin"></param>
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/// <returns>
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/// 0 - No page break
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/// 1 - Break on High Level Step
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/// 2 - Break within a Step
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/// 3 - Break on High Level Step (SevenLinesPerInch)
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/// </returns>
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private int Paginate(float yLocation, float yTopMargin, float yBottomMargin)
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{
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float yPageSize = yTopMargin - yBottomMargin;
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// TODO: This does not account for a long step as the last step that would exceed more than one page and
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// that has an end message that needs to be accounted for in determining pagination. To do that the last
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// child should be the only paragraph that accounts for the End message.
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//
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// If last step & there should be an end message, pagination tests need to account for the 3 lines the end
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// message uses. The 3 is for a line above, the end message line & the line below (in case there is a border/box line).
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// The 3 was changed to 2 for the end line & the line below. The blank line below the step gives the blank
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// line above the end message, thus 2 not 3. This change was made on July 20, 2011 by RHM & KBR. The
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// procedure in questions was VEWCNEMG\EMGAPP.PRC, ES-01, Step 8.
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bool ManualPageBreak = false;
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float yEndMsg = !MyItemInfo.IsSection && MyItemInfo.MyHLS.NextItem == null && (MyItemInfo.MyDocStyle.End.Message ?? "") != "" ? 2 * SixLinesPerInch : 0;
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float yWithinMargins = CalculateYLocation(yLocation, yTopMargin) - yBottomMargin; // -SixLinesPerInch;
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bool isFirstChild = MyItemInfo.MyPrevious == null;
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bool nearTheTop = (yWithinMargins < yPageSize) && (yWithinMargins > (yPageSize - 5 * SixLinesPerInch));
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// if step is breaking over a number of pages, determine if the current step is the
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// location of a pagebreak.
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if (MyPageHelper.ParaBreaks.Count > 0)
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{
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if (this == MyPageHelper.ParaBreaks[0] || this.YTopMost > MyPageHelper.ParaBreaks[0].YTopMost)
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{
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MyPageHelper.ParaBreaks.RemoveAt(0);
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//Console.WriteLine("'PageBreak',6,'Yes','Page Break within Step',{0},{1},{2},{3}, {4},'{5}'", MyItemInfo.ItemID, YSize, 0, 0, 0, MyItemInfo.ShortPath);
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//Console.WriteLine("Prev = {0}", MyItemInfo.MyPrevious==null ? "''" : MyItemInfo.DBSequence);
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ShowPageBreak(1, "Page Break within Step", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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return 2; // break on this item within a step
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}
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return 0; // this is not an item with a break
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}
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float mySize = YSize * MyPageHelper.YMultiplier;
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vlnParagraph firstChild = ChildrenBelow.Count > 0 ? ChildrenBelow[0] : null;
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float ySizeIncludingFirst = firstChild == null ? YSize : firstChild.YSize + (firstChild.YTopMost - YTopMost);
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bool KeepStepsOnPage = MyItemInfo.ActiveFormat.MyStepSectionLayoutData.KeepStepsOnPage;
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if (MyItemInfo.IsStepSection)
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{
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if (yLocation < yTopMargin) // continuous section
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{
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if (ChildrenBelow == null || ChildrenBelow.Count == 0)
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{
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// see if there is an end message. This is stored in the helper - if there is,
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// we need to be sure that there is room for it.
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if (MyPageHelper.BottomMessage != null)
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{
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if (mySize + yEndMsg <= yWithinMargins) return 1;
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}
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return 0;
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}
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// This is a continuous section. There may be cases where the user put a manual page
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// break on the first step (child) in the section. if so, break on the section. The
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// flag SectionPageBreak is set to true to flag that a pagebreak should not be done
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// on that first step.
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StepConfig sc = firstChild.MyItemInfo.MyConfig as StepConfig;
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ManualPageBreak = MyPageHelper.OriginalPageBreak ? (sc == null ? false : sc.Step_ManualPagebreak) :
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sc == null ? false : sc.Step_NewManualPagebreak;
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if (ManualPageBreak)
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{
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SectionPageBreak = true;
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ShowPageBreak(2, "Section Page Break", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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return 1;
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}
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// can the title and the first step fit?
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// add the first child's size + (the section title's size)
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//if (ySizeIncludingFirst > (yLocation - yBottomMargin - SixLinesPerInch)) return 1;
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//if (ySizeIncludingFirst > (yLocation - yBottomMargin) && ySizeIncludingFirst < yPageSize)
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vlnParagraph firstStepChild = firstChild;
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//while (firstStepChild.MyItemInfo.IsSection && firstStepChild.ChildrenBelow.Count > 0) firstStepChild = firstStepChild.ChildrenBelow[0];
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while (firstStepChild.ChildrenBelow.Count > 0 && (firstStepChild.MyItemInfo.IsSection || firstStepChild.MyItemInfo.IsHigh)) firstStepChild = firstStepChild.ChildrenBelow[0];
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float ySizeIncludingFirstStep = firstStepChild.YSize + (firstStepChild.YTopMost - YTopMost);
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bool firstSubstepExceedsSpaceAvailable = ySizeIncludingFirstStep > yWithinMargins;
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if (KeepStepsOnPage && firstSubstepExceedsSpaceAvailable && !isFirstChild)
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KeepStepsOnPage = false;
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if (!KeepStepsOnPage && ySizeIncludingFirst > (yLocation - yBottomMargin))
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{
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ShowPageBreak(4, "Page Break Before Continuous Step Section", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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return 1;
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}
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}
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return 0; // Don't Paginate (page break) on a Step Section if it's first thing on page
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}
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if (!MyItemInfo.IsHigh) return 0; // Don't Paginate on a Substep level
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StepConfig sc1 = MyItemInfo.MyConfig as StepConfig;
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ManualPageBreak = MyPageHelper.OriginalPageBreak ? (sc1 == null ? false : sc1.Step_ManualPagebreak) :
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sc1 == null ? false : sc1.Step_NewManualPagebreak;
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if (MyItemInfo.FirstSibling == MyItemInfo && ManualPageBreak)
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{
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// if parent/section used this pagebreak, skip it.
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if (MyParent.SectionPageBreak)
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{
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ManualPageBreak = false;
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MyParent.SectionPageBreak = false;
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}
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}
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if (_Match16BitPagination) mySize = YSize;
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float ySize7LPI = YSize; // +SixLinesPerInch;
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if (_Match16BitPagination) ySize7LPI += SixLinesPerInch;
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string firstStep = "No";
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if (MyItemInfo.IsHigh && MyItemInfo.MyPrevious == null)
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firstStep = "Yes";
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//if (!ManualPageBreak && mySize + yEndMsg <= yWithinMargins) // Don't Paginate if there is enough room, will fit on page
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// Pagination Fix - Break1LineShort1
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float yExtra = (yWithinMargins == yPageSize ? 0 : SixLinesPerInch - MyItemInfo.MyDocStyle.Layout.FooterLength) ?? 0;
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float yExtra2 = (SixLinesPerInch - MyItemInfo.MyDocStyle.Layout.FooterLength) ?? 0;
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if (KeepStepsOnPage && ySizeIncludingFirst > yWithinMargins)
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KeepStepsOnPage = false;
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bool KeepWithHeader = isFirstChild && nearTheTop;
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if (!ManualPageBreak && mySize + yEndMsg <= yWithinMargins + yExtra) // Don't Paginate if there is enough room, will fit on page
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//if (!ManualPageBreak && mySize + yEndMsg <= yWithinMargins + SixLinesPerInch) // Don't Paginate if there is enough room, will fit on page
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{
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//Console.WriteLine("'PageBreak',1,'No','HLS will fit on page',{0},{1},{2}, {3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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ShowPageBreak(-1, "HLS will fit on page", firstStep, YSize, yPageSize, yWithinMargins,ManualPageBreak);
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return 0;
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}
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// !MyItemInfo.IsHigh - if (MyItemInfo.IsRNOPart && MyParent.XOffset < XOffset) return 0; // Don't paginate on an RNO to the right
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// YSize includes a blank line after the step which we don't want to include in the page break test, thus the
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// YSize - SixLinesPerInch:
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if (!KeepWithHeader && !KeepStepsOnPage && YSize - SixLinesPerInch + yEndMsg <= yPageSize) // if the entire step can fit on one page, do a page break
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{
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// Don't want extra line before step
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//Console.WriteLine("'PageBreak',2,'Yes','HLS will fit on 1 Page',{0},{1},{2}, {3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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ShowPageBreak(5, "HLS will fit on 1 Page at 6 LPI", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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return 1;
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}
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// TODO - yEndMsg - compressed size?
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// ySize7LPI includes a blank line after the step which we don't want to include in the page break test.
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else if (!KeepStepsOnPage && MyItemInfo.ActiveFormat.MyStepSectionLayoutData.CompressSteps && (ySize7LPI - SixLinesPerInch) < (yPageSize * SixLinesPerInch / _SevenLinesPerInch))
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{
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//Console.WriteLine("'PageBreak',3,'Yes','HLS will fit on 1 Page at 7 LPI',{0},{1},{2}, {3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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ShowPageBreak(7, "HLS will fit on 1 Page at 7 LPI", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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//Console.WriteLine("'7LPI',{0},{1}", MyItemInfo.DBSequence, YSize);
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return 3; // High Level Step can fit at SevenLinesPerInch
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}
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else // The entire step cannot fit on a blank page.
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{
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// if there is more than half a page left, then start to print on the current page
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float myFirstPieceSize = GetFirstPieceSize(); //Case 0
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if (_Match16BitPagination) myFirstPieceSize += 2 * SixLinesPerInch;
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// TODO: Put this line back to case 0, i.e. previous line. This fixes a 16-bit vs 32-bit pagination diff in EO30 Step 20.
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//float myFirstPieceSize = GetFirstPieceSize() + 2 * SixLinesPerInch; //Case 10 - this is to match 16bit
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if (KeepWithHeader ||( !ManualPageBreak && ((MyItemInfo.ActiveFormat.MyStepSectionLayoutData.SpecialPageBreakFlag && yWithinMargins > yPageSize / 2 &&
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myFirstPieceSize < yWithinMargins) || KeepStepsOnPage)))
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{
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//Console.WriteLine("'PageBreak',4,'No','HLS will have to split anyway',{0},{1},{2}, {3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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if(firstStep == "Yes")
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ShowPageBreak(8, "First HLS has to split on current page", firstStep, YSize, yPageSize, yWithinMargins, ManualPageBreak);
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else
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ShowPageBreak(6, "HLS will have to split on current page", "Special", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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//BuildPageBreakList(yWithinMargins+SixLinesPerInch,yPageSize-2*SixLinesPerInch); // Determine items where page break(s) occur
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//BuildPageBreakList(yWithinMargins + SixLinesPerInch, yPageSize); // Case 5 - Determine items where page break(s) occur
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// Pagination Fix Break1LineShort3a
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BuildPageBreakList(yWithinMargins + SixLinesPerInch, yPageSize + yExtra2,KeepStepsOnPage); // Case 5 - Determine items where page break(s) occur
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return 0; // Stay on this page
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}
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// Less than half a page left, start printing on a new page.
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//Console.WriteLine("'PageBreak',5,'Yes','HLS will have to split',{0},{1},{2}, {3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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if (firstStep == "Yes")
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ShowPageBreak(9, "First HLS will have to split on new page", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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else
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ShowPageBreak(3, "HLS will have to split on new page", "Yes", YSize, yPageSize, yWithinMargins, ManualPageBreak);
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// Determine items where page break(s) occur
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//BuildPageBreakList(yPageSize, yPageSize - 2 * SixLinesPerInch); // Case Base
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//BuildPageBreakList(yPageSize, yPageSize); // Case 1 :Works for ES05 Step 15 SubStep 7
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// Pagination Fix Break1LineShort2
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//BuildPageBreakList(yPageSize + yExtra, yPageSize); // Case 1 :Works for ES05 Step 15 SubStep 7
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// Pagination Fix Break1LineShort4
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BuildPageBreakList(yPageSize + yExtra, yPageSize + yExtra2,KeepStepsOnPage); // Case 1 :Works for ES05 Step 15 SubStep 7
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return 1; // Paginate on High Level Steps
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}
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//if (yWithinMargins > yPageSize / 2)
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//{
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// Console.WriteLine("'PageBreak',4,'No','Not Half way down the page',{0},{1},{2}, {3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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// return 0; // More than half way down the page
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//}
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//if (ChildrenBelow.Count > 0 && ChildrenBelow[0].YSize < yWithinMargins)
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// return 0;
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//Console.WriteLine("'PageBreak',5,'Yes','At least half the page is filled',{0},{1},{2},{3}, {4},'{5}'", MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize), MyItemInfo.ShortPath);
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//return 2;
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throw new Exception("PageBreak Logic Missing, vlnParagraph.cs");
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}
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private void ForcePagination(PdfContentByte cb, ref float yPageStart, float yTopMargin, float yBottomMargin, ref float yLocation, ref float retval)
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{
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cb.PdfDocument.NewPage(); // pagination issue
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DebugText.WriteLine("*****PaginateError");
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yPageStart = yTopMargin + YVeryTop;
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yLocation = yPageStart - YOffset;
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//MyItemInfo.ItemID, YSize, yPageSize, yLocation
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DebugPagination.WriteLine("-1,'Yes','Forced Pagination',{0},{1},,{3},{4}", MyItemInfo.ItemID, YSize, 0, yLocation, MyItemInfo.DBSequence);
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retval = Rtf2Pdf.TextAt(cb, IParagraph, XOffset, yLocation, Width, 100, DebugInfo, yBottomMargin);
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}
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private void ShowPageBreak(int instance, string message, string breakOrNot, float YSize, float yPageSize, float yWithinMargins, bool manualPageBreak)
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{
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if (breakOrNot != "No")
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{
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// DebugPagination.WriteLine("{0}", MyItemInfo.DBSequence); //,instance);
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DebugPagination.WriteLine("{0},'{1}',{2},'{3}','{4}',{5},{6},{7},{8},{9}",
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MyPageHelper.MyPdfContentByte.PdfWriter.CurrentPageNumber - (breakOrNot == "Yes" ? 0 : 1),
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MyItemInfo.ShortPath, instance,
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(manualPageBreak ? "Manual " : "") + message, breakOrNot,
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MyItemInfo.ItemID, YSize, yPageSize, yWithinMargins, (int)(100 * yWithinMargins / yPageSize));
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}
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// Console.WriteLine("{0},{1}", MyItemInfo.DBSequence, IsFirstSubStep(MyItemInfo)); //,instance);
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}
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private void BuildPageBreakList(float ySpaceOnCurPage, float yPageSize, bool KeepStepsOnPage)
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{
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ParagraphLocations myLocations = new ParagraphLocations();
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BuildLocationList(YTopMost, myLocations);
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StepLevelList myList = myLocations.BuildStepLevelList(KeepStepsOnPage);
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// Find Break Locations in the list based upon StepLevel and yLocation
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float yTop = 0;
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float yLowerLimit = (yPageSize - 2 * SixLinesPerInch) / 2;
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float yStart = Math.Max(0, (yPageSize - 2 * SixLinesPerInch) - ySpaceOnCurPage);
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//Console.WriteLine("'yStart',{0},{1}", MyItemInfo.DBSequence, yStart);
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// The following three lines make page breaking match 16-bit:
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if (_Match16BitPagination)
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{
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yLowerLimit = yStart - SixLinesPerInch + ySpaceOnCurPage / 2;
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if ((yStart + MyItemInfo.MyDocStyle.Layout.TopMargin + 2 * SixLinesPerInch) > ((MyItemInfo.MyDocStyle.Layout.TopMargin + yPageSize - 2 * SixLinesPerInch) / 2))
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yLowerLimit = yStart + 2 * SixLinesPerInch;
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}
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// Make sure that the FirstPiece (Caution Note HLS and First Substeps) fit
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float myFirstPieceSize = GetFirstPieceSize(); //Case 0
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if (myFirstPieceSize < ySpaceOnCurPage) yLowerLimit = Math.Max(myFirstPieceSize + yStart, yLowerLimit);
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//while ((YSize - yTop) >= ySpaceOnCurPage)
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// Pagination Fix Break1LineShort3b
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while ((YSize - yTop) > ySpaceOnCurPage)
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{
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vlnParagraph paraBreak = FindPageBreak(yStart, ySpaceOnCurPage, yLowerLimit, myList);
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if (paraBreak == null) break;
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// yTopNew is y Location of this page break. YTopMost is top of HLS, including any Cautions/Notes/Boxes/etc
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float yTopNew = paraBreak.YVeryTop - YTopMost;
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RemoveProcessedParagraphs(myList, yTopNew - yTop);
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yTop = yTopNew;
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MyPageHelper.ParaBreaks.Add(paraBreak);
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ySpaceOnCurPage = yPageSize - 2 * SixLinesPerInch; // Allow for continue message and blank line.
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//ySpaceOnCurPage = yPageSize; // Allow for continue message and blank line.
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//DocStyle docstyle = MyItemInfo.MyDocStyle;
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//string myMsg = docstyle.Continue.Bottom.Message;
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//if ((myMsg ?? "") != "") ySpaceOnCurPage -= 2 * SixLinesPerInch; // Allow for continue message and blank line.
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yLowerLimit = ySpaceOnCurPage / 2;
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if (_Match16BitPagination) yLowerLimit -= 1.5F * SixLinesPerInch; // 276 for HLP
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yStart = 0;
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}
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}
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/// <summary>
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/// Finds the highest StepLevel (lowest StepLevel number, 0 = HLS, 1 = first substep) that
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/// fills the page sufficiently (more than half-full)
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/// </summary>
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/// <param name="yWithinMargins"></param>
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/// <param name="yTop"></param>
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/// <param name="myList"></param>
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/// <returns></returns>
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private static vlnParagraph FindPageBreak(float yStart, float yUpperLimit, float yLowerLimit, StepLevelList myList)
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{
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foreach (int stepLevel in myList.Keys) // loop thru StepLevels, starting with lowest.
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{
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foreach (float yLocation in myList[stepLevel].Keys) // loop thru yLocation
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{
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vlnParagraph myPara = myList[stepLevel][yLocation];
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// The top of this step will fit onto page (-yLocation < yWithinMargins)
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float wcnChkLstBorder = myPara.MyItemInfo.MyHLS.FormatStepData.UseSmartTemplate &&
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(myPara.MyItemInfo.MyHLS.FormatStepData.Suffix ?? "") != "" ? 2*SixLinesPerInch : 0;
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if (wcnChkLstBorder -yLocation <= yUpperLimit) // Fix for OFN-RJ-23
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//if (-yLocation < yUpperLimit) // Before
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//if (-yLocation < yWithinMargins && myList[stepLevel][yLocation].MyItemInfo.MyPrevious != null)
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{
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//ItemInfo prev = myList[stepLevel][yLocation].MyItemInfo.MyPrevious;
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//if (myList[stepLevel][yLocation].MyItemInfo.ItemID == 5609) Console.WriteLine("aer");
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//if (myList[stepLevel][yLocation].MyItemInfo.ItemID == 4312) Console.WriteLine("rno");
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// The top of this step is more than 1/2 way down the page
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if ((-yLocation + yStart) >= yLowerLimit)
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return myPara;
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// If this item will not fit on the current page, put a page break
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if (myPara.YBottom - myPara.YTop > (yUpperLimit - (-yLocation + yStart)))
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return myPara;
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// if is a caution or note & parent is a substep and entire substep doesn't fit, break.
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if ((myPara.MyItemInfo.IsNote || myPara.MyItemInfo.IsCaution) &&
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!myPara.MyParent.MyItemInfo.IsHigh &&
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myPara.MyParent.YSize > (yUpperLimit + yLocation))
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{
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return myList[stepLevel][yLocation];
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}
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}
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}
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}
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return null;
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}
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//private void WalkStepLevel(float yTopMost)
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//{
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// foreach (vlnParagraph child in ChildrenAbove)
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// child.WalkStepLevel(yTopMost);
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// foreach (vlnParagraph child in ChildrenLeft)
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// child.WalkStepLevel(yTopMost);
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// ShowStepLevel(yTopMost);
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// foreach (vlnParagraph child in ChildrenRight)
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// child.WalkStepLevel(yTopMost);
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// foreach (vlnParagraph child in ChildrenBelow)
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// child.WalkStepLevel(yTopMost);
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//}
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//private void ShowStepLevel(float yTopMost)
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//{
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// ItemInfo item = MyItemInfo;
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// ItemInfo parent = item.ActiveParent as ItemInfo;
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// //if (para.MyItemInfo.ItemID == 205)
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// // Console.Write("");
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// DebugPagination.WriteLine("'StepLevel',{0},{1},{2},{3},{4},{5},{6},{7},{8},{9}", YVeryTop - yTopMost, YSize, YBottomMost - yTopMost, item.ItemID, item.DBSequence, item.StepLevel, item.MyContent.Type % 10000,
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// parent.MyContent.Type % 10000, item.HasCautionOrNote ? 1 : 0, parent.Cautions == null ? 0 : 1);
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//}
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}
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public partial class VlnSvgPageHelper : SvgPageHelper
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|
{
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|
private bool _OriginalPageBreak; // use 16bit page breaks.
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|
public bool OriginalPageBreak
|
|
{
|
|
get { return _OriginalPageBreak; }
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|
set { _OriginalPageBreak = value; }
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|
}
|
|
// This handles Page Breaks within a Step
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|
private List<vlnParagraph> _ParaBreaks = new List<vlnParagraph>();
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|
public List<vlnParagraph> ParaBreaks
|
|
{
|
|
get { return _ParaBreaks; }
|
|
set { _ParaBreaks = value; }
|
|
}
|
|
}
|
|
}
|