/// <summary>
/// Redact all shapes in a range.
/// </summary>
/// <param name="StoryRange">A range containing zero or more shapes.</param>
private void RedactShapes(Word.Range StoryRange)
{
if (StoryRange.ShapeRange.Count > 0)
{
List <int> ShapeLocations = new List <int>();
Dictionary <int, Word.Shape> Shapes = new Dictionary <int, Word.Shape>();
//scan for shapes
//since we're messing with the text, we need reorder them back to front by document order (they're in z-order).
foreach (Word.Shape Shape in StoryRange.ShapeRange)
{
Word.Range AnchorRange = Shape.Anchor;
ShapeLocations.Add(AnchorRange.Start);
Shapes.Add(AnchorRange.Start, Shape);
}
//sort the anchor locations
ShapeLocations.Sort();
for (int i = ShapeLocations.Count - 1; i >= 0; i--)
{
Word.Shape Shape = Shapes[ShapeLocations[i]];
if (RedactCommon.IsMarkedRange(Shape.Anchor, ShadingColor))
{
Debug.WriteLine("Shape from " + Shape.Anchor.Start + " to " + Shape.Anchor.End + "to be redacted.");
RedactShape(StoryRange.Document, Shape);
}
}
}
}
/// <summary>
/// Extends the current range's ending point to the end of the mark.
/// </summary>
/// <param name="CurrentRange">The range containing the starting point of the search. Changes to the location of the full mark if one is found.</param>
/// <param name="Collapse">True to collapse the result to the end of the range, otherwise False.</param>
private static void ExtendNextMark(ref Word.Range SelectionRange, bool Collapse)
{
if (SelectionRange.End < SelectionRange.StoryLength - 1)
{
//move before the current mark (if we are in one)
if (RedactCommon.IsMarkedRange(SelectionRange, ShadingColor))
{
Word.Range SearchRange = SelectionRange.Duplicate;
while (FindNextMarkInCurrentStoryRange(ref SearchRange))
{
if (SearchRange.Start == SelectionRange.End && (bool)SearchRange.get_Information(Word.WdInformation.wdWithInTable) == (bool)SelectionRange.get_Information(Word.WdInformation.wdWithInTable))
{
SelectionRange.End = SearchRange.End;
if (Collapse)
{
SelectionRange.Start = SearchRange.End;
}
//if we didn't progress in this iteration, break
if (SelectionRange.Start == SearchRange.Start && SelectionRange.End == SearchRange.End)
{
break;
}
}
else
{
break;
}
}
}
}
}
/// <summary>
/// Extends the current range's starting point to the beginning of the mark.
/// </summary>
/// <param name="CurrentRange">The range containing the starting point of the search. Changes to the location of the full mark if one is found.</param>
/// <param name="Collapse">True to collapse the result to the start of the range, otherwise False.</param>
private static void ExtendPreviousMark(ref Word.Range SelectionRange, bool Collapse)
{
if (SelectionRange.Start != 0)
{
//move before the current mark (if we are in one)
if (RedactCommon.IsMarkedRange(SelectionRange, ShadingColor))
{
Word.Range SearchRange = SelectionRange.Duplicate;
while (FindPreviousMarkInCurrentStoryRange(ref SearchRange))
{
if (SearchRange.End == SelectionRange.Start && (bool)SearchRange.get_Information(Word.WdInformation.wdWithInTable) == (bool)SelectionRange.get_Information(Word.WdInformation.wdWithInTable))
{
SelectionRange.Start = SearchRange.Start;
if (Collapse)
{
SelectionRange.End = SearchRange.Start;
}
}
else
{
break;
}
}
}
}
}
/// <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);
}
}