/// <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>
/// Find and mark all instances of a string in a specific StoryRange.
/// </summary>
/// <param name="StoryRange">A Range specifying the story range to search.</param>
/// <returns>True if a hit was found, False otherwise.</returns>
private int FindAndMarkInStory(Word.Range StoryRange)
{
object CollapseEnd = Word.WdCollapseDirection.wdCollapseEnd;
RangeData LastHit = new RangeData();
int HitCount = 0;
object Missing = Type.Missing;
object FindText = textBox.Text;
//text boxes in headers/footers aren't in the text box 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)
{
HitCount += FindAndMarkInStory(ShapeRange);
}
}
}
Word.Find FindScope = StoryRange.Find;
//set search options
FindScope.IgnorePunct = checkBoxIgnorePunct.Checked;
FindScope.IgnoreSpace = checkBoxIgnoreWhitespace.Checked;
FindScope.MatchAllWordForms = checkBoxWordForms.Checked;
FindScope.MatchCase = checkBoxMatchCase.Checked;
FindScope.MatchPrefix = checkBoxMatchPrefix.Checked;
FindScope.MatchSoundsLike = checkBoxSoundsLike.Checked;
FindScope.MatchSuffix = checkBoxMatchSuffix.Checked;
FindScope.MatchWholeWord = checkBoxWholeWord.Checked;
FindScope.MatchWildcards = checkBoxWildcards.Checked;
while (FindScope.Execute(ref FindText, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing, ref Missing) && (StoryRange.Start != LastHit.Start || StoryRange.End != LastHit.End))
{
HitCount++;
LastHit = new RangeData(StoryRange.Start, StoryRange.End);
StoryRange.Font.Shading.BackgroundPatternColor = (Word.WdColor)ShadingColor;
StoryRange.Collapse(ref CollapseEnd);
}
//check in any subsequent stories
if (StoryRange.NextStoryRange != null)
{
HitCount += FindAndMarkInStory(StoryRange.NextStoryRange);
}
return(HitCount);
}
/// <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);
}
}