/// <summary>
/// Removes redaction marks from the specified range.
/// </summary>
/// <param name="Range">The Range from which to clear redaction marks.</param>
/// <param name="UnmarkAll">True to also clear any subranges (e.g. text boxes), False otherwise.</param>
private void UnmarkRange(Word.Range Range, bool UnmarkAll)
{
//text boxes in headers/footers aren't in the text box story
if (UnmarkAll && (int)Range.StoryType > 5 && Range.ShapeRange.Count > 0)
{
foreach (Word.Shape Shape in Range.ShapeRange)
{
Word.Range ShapeRange = RedactCommon.RangeFromShape(Shape);
if (ShapeRange != null)
{
UnmarkRange(ShapeRange, true);
}
}
}
//unmark the range
List <RangeDataEx> RangeMarkers = RedactCommon.GetAllMarkedRanges(Range, ShadingColor, true);
foreach (RangeDataEx UniqueRange in RangeMarkers)
{
Range.Start = UniqueRange.Start;
Range.End = UniqueRange.End;
Range.Font.Shading.BackgroundPatternColor = Word.WdColor.wdColorAutomatic;
}
//also catch other instances of the same StoryRange
if (UnmarkAll && Range.NextStoryRange != null)
{
UnmarkRange(Range.NextStoryRange, true);
}
}
/// <summary>
/// Redact a story range (e.g. all textboxes, all first page headers, the main document).
/// </summary>
/// <param name="StoryRange">The story range to redact.</param>
/// <param name="Worker">A BackgroundWorker on which to report progress.</param>
private void RedactStoryRange(Word.Range StoryRange, BackgroundWorker Worker)
{
//textboxes in headers/footers/textboxes/etc. are not in the textbox story.
if ((int)StoryRange.StoryType > 5 && StoryRange.ShapeRange.Count > 0)
{
foreach (Word.Shape Shape in StoryRange.ShapeRange)
{
Word.Range ShapeRange = RedactCommon.RangeFromShape(Shape);
if (ShapeRange != null)
{
RedactStoryRange(ShapeRange, Worker);
}
}
}
//redact all shapes
RedactShapes(StoryRange);
//remove redaction marks from all paragraph mark glyphs
Word.Range ParaMark = StoryRange.Duplicate;
foreach (Word.Paragraph Paragraph in StoryRange.Paragraphs)
{
//select the para mark
ParaMark.Start = Paragraph.Range.End - 1;
ParaMark.End = ParaMark.Start + 1;
if (RedactCommon.IsMarkedRange(ParaMark, ShadingColor))
{
ParaMark.Font.Shading.BackgroundPatternColor = Word.WdColor.wdColorAutomatic;
}
}
//run through the collection
//since we're messing with the text, we need to go back to front.
StoryRange.Collapse(ref CollapseEnd);
while (FindPreviousMarkInCurrentStoryRange(ref StoryRange))
{
Debug.Assert(StoryRange.Paragraphs.Count < 2, "redacting more than one paragraph - Selection.Move will behave incorrectly in tables");
//break up the range by formatting, so we can maintain layout through the redaction
List <RangeDataEx> RangeMarkers = RedactCommon.GetAllMarkedRanges(StoryRange, ShadingColor, false);
for (int i = RangeMarkers.Count - 1; i >= 0; i--)
{
StoryRange.Start = RangeMarkers[i].Start;
StoryRange.End = RangeMarkers[i].End;
RedactRange(StoryRange, RangeMarkers[i]);
//update progress UI
if (Worker != null && StoryRange.StoryType == Word.WdStoryType.wdMainTextStory)
{
Worker.ReportProgress((((StoryRange.StoryLength - RangeMarkers[i].Start) * 100) / StoryRange.StoryLength), null);
}
}
}
//get all other stories
if (StoryRange.NextStoryRange != null)
{
RedactStoryRange(StoryRange.NextStoryRange, Worker);
}
//give each non-main story a small % of the progress bar
if (Worker != null && StoryRange.StoryType != Word.WdStoryType.wdMainTextStory)
{
Worker.ReportProgress(100 + (int)StoryRange.StoryType);
}
}
