// Returns true if all paragraphs in a range belong to the same block,
// so they can be easily grouped and ungrouped.
internal static bool IsListOperationApplicable(TextRange range)
{
// First check, if range start/end are parented by ListItems within the same parent list.
if (IsRangeWithinSingleList(range))
{
return(true);
}
// Adjust range end so that it does not affect a following paragraph.
TextPointer end = (TextPointer)TextRangeEdit.GetAdjustedRangeEnd(range.Start, range.End);
// Now try plain Paragraphs
Block firstBlock = range.Start.ParagraphOrBlockUIContainer;
Block lastBlock = end.ParagraphOrBlockUIContainer;
if (firstBlock != null && lastBlock != null && firstBlock.Parent == lastBlock.Parent)
{
return(true);
}
// Allow list editing at potential paragraph positions, this includes
// positions in initial RichTextBox, empty TableCell, empty ListItem where paragraphs were not yet created.
if (range.IsEmpty && TextPointerBase.IsAtPotentialParagraphPosition(range.Start))
{
return(true);
}
return(false);
}
// Token: 0x06003879 RID: 14457 RVA: 0x000FD0D4 File Offset: 0x000FB2D4
private static void CreateImplicitParagraphIfNeededAndUpdateSelection(TextSelection thisSelection)
{
TextPointer textPointer = thisSelection.Start;
if (TextPointerBase.IsAtPotentialParagraphPosition(textPointer))
{
textPointer = TextRangeEditTables.EnsureInsertionPosition(textPointer);
thisSelection.Select(textPointer, textPointer);
}
}
private static void CreateImplicitParagraphIfNeededAndUpdateSelection(TextSelection thisSelection)
{
// Create implicit paragraph if we are at a potential paragraph position, such as empty FlowDocument, TableCell.
TextPointer position = thisSelection.Start;
if (TextPointerBase.IsAtPotentialParagraphPosition(position))
{
position = TextRangeEditTables.EnsureInsertionPosition(position);
thisSelection.Select(position, position);
}
}
// Token: 0x06003B82 RID: 15234 RVA: 0x0010EF28 File Offset: 0x0010D128
internal static bool ConvertParagraphsToListItems(TextRange range, TextMarkerStyle markerStyle)
{
if (range.IsEmpty && TextPointerBase.IsAtPotentialParagraphPosition(range.Start))
{
TextPointer textPointer = TextRangeEditTables.EnsureInsertionPosition(range.Start);
((ITextRange)range).Select(textPointer, textPointer);
}
Block paragraphOrBlockUIContainer = range.Start.ParagraphOrBlockUIContainer;
TextPointer textPointer2 = (TextPointer)TextRangeEdit.GetAdjustedRangeEnd(range.Start, range.End);
Block paragraphOrBlockUIContainer2 = textPointer2.ParagraphOrBlockUIContainer;
if (paragraphOrBlockUIContainer == null || paragraphOrBlockUIContainer2 == null || paragraphOrBlockUIContainer.Parent != paragraphOrBlockUIContainer2.Parent || (paragraphOrBlockUIContainer.Parent is ListItem && paragraphOrBlockUIContainer.PreviousBlock == null))
{
return(false);
}
Block block = paragraphOrBlockUIContainer;
while (block != paragraphOrBlockUIContainer2 && block != null)
{
if (block is Table || block is Section)
{
return(false);
}
block = block.NextBlock;
}
ListItem listItem = paragraphOrBlockUIContainer.Parent as ListItem;
if (listItem != null)
{
Block block3;
for (Block block2 = paragraphOrBlockUIContainer; block2 != null; block2 = block3)
{
block3 = ((block2 == paragraphOrBlockUIContainer2) ? null : (block2.ElementEnd.GetAdjacentElement(LogicalDirection.Forward) as Block));
Invariant.Assert(block2.Parent is ListItem);
TextRangeEdit.SplitElement(block2.ElementStart);
}
}
else
{
new List
{
MarkerStyle = markerStyle
}.Apply(paragraphOrBlockUIContainer, paragraphOrBlockUIContainer2);
}
return(true);
}
internal static bool ConvertParagraphsToListItems(TextRange range, TextMarkerStyle markerStyle)
{
if (range.IsEmpty && TextPointerBase.IsAtPotentialParagraphPosition(range.Start))
{
TextPointer insertionPosition = TextRangeEditTables.EnsureInsertionPosition(range.Start);
((ITextRange)range).Select(insertionPosition, insertionPosition);
}
Block firstBlock = range.Start.ParagraphOrBlockUIContainer;
TextPointer end = (TextPointer)TextRangeEdit.GetAdjustedRangeEnd(range.Start, range.End);
Block lastBlock = end.ParagraphOrBlockUIContainer;
// We assume that a range contains a sequence of one-level paragraphs.
// Otherwise the operation is disabled.
if (firstBlock == null || lastBlock == null || firstBlock.Parent != lastBlock.Parent ||
firstBlock.Parent is ListItem && firstBlock.PreviousBlock == null)
{
// Either the paragraphs belong to different scopes or first of them has a bullet already.
// We cannot convert them into bulleted lists.
return(false);
}
// Check that all top-level elements of selection are Paragraphs.
// We do not apply the command to Tables or Sections.
for (Block block = firstBlock; block != lastBlock && block != null; block = block.NextBlock)
{
if (block is Table || block is Section)
{
return(false);
}
}
ListItem parentListItem = firstBlock.Parent as ListItem;
if (parentListItem != null)
{
// Paragraphs are inside of ListItem already.
// Split a current ListItem before each of selected blocks
Block block = firstBlock;
while (block != null)
{
Block nextBlock = block == lastBlock ? null : block.ElementEnd.GetAdjacentElement(LogicalDirection.Forward) as Block;
Invariant.Assert(block.Parent is ListItem);
TextRangeEdit.SplitElement(block.ElementStart);
block = nextBlock;
}
}
else
{
// Create a list around all paragraphs
List list = new List();
list.MarkerStyle = markerStyle;
list.Apply(firstBlock, lastBlock);
// Merge with neighboring lists
//MergeLists(list.ElementEnd); // start with End to not loose an instance of "list" during merging with the following list
//MergeLists(list.ElementStart);
}
return(true);
}
// Token: 0x06003B81 RID: 15233 RVA: 0x0010EEB8 File Offset: 0x0010D0B8
internal static bool IsListOperationApplicable(TextRange range)
{
if (TextRangeEditLists.IsRangeWithinSingleList(range))
{
return(true);
}
TextPointer textPointer = (TextPointer)TextRangeEdit.GetAdjustedRangeEnd(range.Start, range.End);
Block paragraphOrBlockUIContainer = range.Start.ParagraphOrBlockUIContainer;
Block paragraphOrBlockUIContainer2 = textPointer.ParagraphOrBlockUIContainer;
return((paragraphOrBlockUIContainer != null && paragraphOrBlockUIContainer2 != null && paragraphOrBlockUIContainer.Parent == paragraphOrBlockUIContainer2.Parent) || (range.IsEmpty && TextPointerBase.IsAtPotentialParagraphPosition(range.Start)));
}