private static float CalculatesCellHeight(CustomLocationTextExtractionStrategy.LocationTextResult reference, string text, CustomLocationTextExtractionStrategy strategy, PdfContentByte cb, IReadOnlyList <string> allStrings, ReplaceTextOptions options, float deltaY)
{
var value = cb.PdfDocument.PageSize.Height - cb.PdfDocument.BottomMargin - cb.PdfDocument.TopMargin - deltaY;
CustomLocationTextExtractionStrategy.LocationTextResult nextMatchReference = null;
var index = -1;
for (var i = 0; i < allStrings.Count; i++)
{
string current = allStrings[i].Trim();
if (current.Equals(text.Trim(), options.Comparison))
{
index = i;
break;
}
}
if (index == allStrings.Count)
{
return(value - (cb.PdfDocument.PageSize.Height - reference.Rect.Bottom));
}
if (index == -1)
{
return(value - (cb.PdfDocument.PageSize.Height - reference.Rect.Bottom));
}
var nextElementText = allStrings[index + 1];
if (!string.IsNullOrEmpty(nextElementText.Trim()))
{
var nextMatchReferences = strategy.GetExtendedTextLocations(nextElementText, options);
nextMatchReference = nextMatchReferences.FirstOrDefault();
}
if (nextMatchReference == null)
{
return(value - (cb.PdfDocument.PageSize.Height - reference.Rect.Bottom));
}
// Same line?
if (nextMatchReference.StartPoint.Y <= reference.StartPoint.Y)
{
return(value - (cb.PdfDocument.PageSize.Height - reference.Rect.Bottom));
}
return(value - (cb.PdfDocument.PageSize.Height - nextMatchReference.Rect.Bottom));
}
private static NativeRectangle BuildRectangleByStrategies(CustomLocationTextExtractionStrategy.LocationTextResult reference, string text, CustomLocationTextExtractionStrategy strategy, PdfContentByte cb, IReadOnlyList <string> allStrings, ReplaceTextOptions options)
{
var x = reference.Rect.Left;
var y = reference.Rect.Top;
var w = reference.Rect.Width;
var h = reference.Rect.Height;
switch (options.StartStrategy)
{
case StartLocationStrategy.LeftMargin:
x = cb.PdfDocument.LeftMargin;
break;
case StartLocationStrategy.PreviousElement:
CustomLocationTextExtractionStrategy.LocationTextResult previousMatchReference = null;
var index = -1;
for (var i = 0; i < allStrings.Count; i++)
{
string current = allStrings[i].Trim();
if (current.Equals(text.Trim(), options.Comparison))
{
index = i;
break;
}
//if (current.Contains(text.Trim()))
//{
// index = i;
// break;
//}
}
if (index == 0)
{
break;
}
var previousElementText = allStrings[index - 1];
if (!string.IsNullOrEmpty(previousElementText))
{
var nextMatchReferences = strategy.GetExtendedTextLocations(previousElementText, options);
previousMatchReference = nextMatchReferences.FirstOrDefault();
}
if (previousMatchReference == null)
{
break;
}
// Same line?
if (previousMatchReference.EndPoint.X >= reference.StartPoint.X)
{
break;
}
w = (reference.EndPoint.X + reference.TextChunk.CharSpaceWidth) - previousMatchReference.EndPoint.X;
break;
}
switch (options.EndStrategy)
{
case EndLocationStrategy.RightMargin:
w = cb.PdfDocument.PageSize.Width - (x + cb.PdfDocument.RightMargin);
break;
case EndLocationStrategy.NextElement:
CustomLocationTextExtractionStrategy.LocationTextResult nextMatchReference = null;
var index = -1;
string nextElementText = string.Empty;
for (var i = 0; i < allStrings.Count; i++)
{
string currentLine = allStrings[i].Trim();
string[] currentElementsInSameLine = currentLine.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
int totalElementsInLine = currentElementsInSameLine.Length;
foreach (var currentLineElement in currentElementsInSameLine)
{
if (!currentLineElement.Equals(text.Trim(), options.Comparison))
{
continue;
}
index = i;
if (totalElementsInLine > 1)
{
nextElementText = currentElementsInSameLine[1];
}
break;
}
if (index != -1)
{
break;
}
}
if (index == allStrings.Count)
{
break;
}
if (!string.IsNullOrEmpty(nextElementText))
{
var nextMatchReferences = strategy.GetExtendedTextLocations(nextElementText.Trim(), options);
nextMatchReference = nextMatchReferences.FirstOrDefault();
}
if (nextMatchReference == null)
{
w = cb.PdfDocument.PageSize.Width - (x + cb.PdfDocument.RightMargin);
break;
}
// Same line?
if (nextMatchReference.StartPoint.X <= reference.EndPoint.X)
{
w = cb.PdfDocument.PageSize.Width - (x + cb.PdfDocument.RightMargin);
break;
}
// calculates new width
if (options.StartStrategy == StartLocationStrategy.LeftMargin)
{
w = nextMatchReference.StartPoint.X - (reference.StartPoint.X + reference.TextChunk.CharSpaceWidth) + (reference.StartPoint.X - cb.PdfDocument.LeftMargin);
}
else
{
w = nextMatchReference.StartPoint.X - (reference.StartPoint.X + reference.TextChunk.CharSpaceWidth);
}
break;
}
switch (options.VerticalStrategy)
{
case VerticalFineStrategy.Middle:
y -= reference.Rect.Height / 2.0f;
break;
case VerticalFineStrategy.Bottom:
y -= reference.Rect.Height;
break;
default:
case VerticalFineStrategy.Top:
y += reference.TextChunk.CurFontSize / 4;
break;
}
return(new NativeRectangle(x, y, w, h));
}
