// Paste flow content into the current text selection
// Returns false if pasting was not successful - assuming that the caller will choose another format for pasting
private static bool PasteTextElement(TextEditor This, TextElement sectionOrSpan)
{
bool success = false;
This.Selection.BeginChange();
try
{
((TextRange)This.Selection).SetXmlVirtual(sectionOrSpan);
// Merge new Lists with surrounding Lists.
TextRangeEditLists.MergeListsAroundNormalizedPosition((TextPointer)This.Selection.Start);
TextRangeEditLists.MergeListsAroundNormalizedPosition((TextPointer)This.Selection.End);
// Merge flow direction of the new content if it matches its surroundings.
TextRangeEdit.MergeFlowDirection((TextPointer)This.Selection.Start);
TextRangeEdit.MergeFlowDirection((TextPointer)This.Selection.End);
success = true;
}
finally
{
This.Selection.EndChange();
}
return(success);
}
// Token: 0x06003B84 RID: 15236 RVA: 0x0010F178 File Offset: 0x0010D378
internal static void IndentListItems(TextRange range)
{
ListItem immediateListItem = TextPointerBase.GetImmediateListItem(range.Start);
ListItem immediateListItem2 = TextPointerBase.GetImmediateListItem((TextPointer)TextRangeEdit.GetAdjustedRangeEnd(range.Start, range.End));
if (immediateListItem == null || immediateListItem2 == null || immediateListItem.Parent != immediateListItem2.Parent || !(immediateListItem.Parent is List))
{
return;
}
ListItem previousListItem = immediateListItem.PreviousListItem;
if (previousListItem == null)
{
return;
}
List element = (List)immediateListItem.Parent;
List list = (List)TextRangeEdit.InsertElementClone(immediateListItem.ElementStart, immediateListItem2.ElementEnd, element);
previousListItem.Reposition(previousListItem.ContentStart, list.ElementEnd);
Paragraph paragraph = immediateListItem2.Blocks.FirstBlock as Paragraph;
if (paragraph != null)
{
List list2 = paragraph.NextBlock as List;
if (list2 != null && list2.NextBlock == null)
{
immediateListItem2.Reposition(immediateListItem2.ContentStart, list2.ElementStart);
list2.Reposition(null, null);
}
}
TextRangeEditLists.MergeLists(list.ElementStart);
}
// Token: 0x06003876 RID: 14454 RVA: 0x000FCE58 File Offset: 0x000FB058
private static void ToggleNumbering(TextSelection thisSelection, ListItem parentListItem, ListItem immediateListItem, List list)
{
if (immediateListItem != null && TextEditorLists.HasNumericMarker(list))
{
if (list.Parent is ListItem)
{
TextRangeEditLists.UnindentListItems(thisSelection);
TextRangeEditLists.ConvertListItemsToParagraphs(thisSelection);
return;
}
TextRangeEditLists.UnindentListItems(thisSelection);
return;
}
else
{
if (immediateListItem != null)
{
list.MarkerStyle = TextMarkerStyle.Decimal;
return;
}
if (parentListItem != null)
{
TextRangeEditLists.ConvertParagraphsToListItems(thisSelection, TextMarkerStyle.Decimal);
TextRangeEditLists.IndentListItems(thisSelection);
return;
}
TextRangeEditLists.ConvertParagraphsToListItems(thisSelection, TextMarkerStyle.Decimal);
return;
}
}
private static void ToggleBullets(TextSelection thisSelection, ListItem parentListItem, ListItem immediateListItem, List list)
{
if (immediateListItem != null && HasBulletMarker(list))
{
if (list.Parent is ListItem)
{
TextRangeEditLists.UnindentListItems(thisSelection);
TextRangeEditLists.ConvertListItemsToParagraphs(thisSelection);
}
else
{
TextRangeEditLists.UnindentListItems(thisSelection);
}
}
else if (immediateListItem != null)
{
list.MarkerStyle = TextMarkerStyle.Disc;
}
else if (parentListItem != null)
{
TextRangeEditLists.ConvertParagraphsToListItems(thisSelection, TextMarkerStyle.Disc);
TextRangeEditLists.IndentListItems(thisSelection);
}
else
{
TextRangeEditLists.ConvertParagraphsToListItems(thisSelection, TextMarkerStyle.Disc);
}
}
private static void DecreaseIndentation(TextSelection thisSelection, ListItem parentListItem, ListItem immediateListItem)
{
if (immediateListItem != null)
{
TextRangeEditLists.UnindentListItems(thisSelection);
}
else if (parentListItem != null)
{
TextRangeEditLists.ConvertParagraphsToListItems(thisSelection, TextMarkerStyle.Disc);
TextRangeEditLists.UnindentListItems(thisSelection);
}
else
{
if (thisSelection.IsEmpty)
{
// When selection is empty, handle indentation based on current TextIndent property of the paragraph.
Block paragraphOrBlockUIContainer = thisSelection.Start.ParagraphOrBlockUIContainer;
if (paragraphOrBlockUIContainer is BlockUIContainer)
{
// Decrement BlockUIContainer's leading margin.
TextRangeEdit.IncrementParagraphLeadingMargin(thisSelection, /*increment:*/ 20, PropertyValueAction.DecreaseByAbsoluteValue);
}
else
{
// Create implicit paragraph if at a potential paragraph position, such as empty FlowDocument, TableCell.
CreateImplicitParagraphIfNeededAndUpdateSelection(thisSelection);
Paragraph paragraph = thisSelection.Start.Paragraph;
Invariant.Assert(paragraph != null, "EnsureInsertionPosition must guarantee a position in text content");
// When selection is empty, handle indentation based on current TextIndent property of the paragraph.
if (paragraph.TextIndent > 20)
{
// Reset text indent to 20.
TextRangeEdit.SetParagraphProperty(thisSelection.Start, thisSelection.End, Paragraph.TextIndentProperty, 20.0, PropertyValueAction.SetValue);
}
else if (paragraph.TextIndent > 0)
{
// Reset text indent to 0.
TextRangeEdit.SetParagraphProperty(thisSelection.Start, thisSelection.End, Paragraph.TextIndentProperty, 0.0, PropertyValueAction.SetValue);
}
else
{
// Decrement paragraph leading margin.
TextRangeEdit.IncrementParagraphLeadingMargin(thisSelection, /*increment:*/ 20, PropertyValueAction.DecreaseByAbsoluteValue);
}
}
}
else
{
// For non-empty selection, always decrement paragraph margin.
TextRangeEdit.IncrementParagraphLeadingMargin(thisSelection, /*increment:*/ 20, PropertyValueAction.DecreaseByAbsoluteValue);
}
}
}
// Common handler for all list editing commands
private static void OnListCommand(object target, ExecutedRoutedEventArgs args)
{
TextEditor This = TextEditor._GetTextEditor(target);
if (This == null || !This._IsEnabled || This.IsReadOnly || !This.AcceptsRichContent || !(This.Selection is TextSelection))
{
return;
}
TextEditorTyping._FlushPendingInputItems(This);
if (!TextRangeEditLists.IsListOperationApplicable((TextSelection)This.Selection))
{
return;
}
using (This.Selection.DeclareChangeBlock())
{
TextSelection thisSelection = (TextSelection)This.Selection;
ListItem parentListItem = TextPointerBase.GetListItem(thisSelection.Start);
ListItem immediateListItem = TextPointerBase.GetImmediateListItem(thisSelection.Start);
List list = parentListItem == null ? null : (List)parentListItem.Parent;
// Forget previously suggested horizontal position
TextEditorSelection._ClearSuggestedX(This);
// Execute the command
if (args.Command == EditingCommands.ToggleBullets)
{
ToggleBullets(thisSelection, parentListItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.ToggleNumbering)
{
ToggleNumbering(thisSelection, parentListItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.RemoveListMarkers)
{
TextRangeEditLists.ConvertListItemsToParagraphs(thisSelection);
}
else if (args.Command == EditingCommands.IncreaseIndentation)
{
IncreaseIndentation(thisSelection, parentListItem, immediateListItem);
}
else if (args.Command == EditingCommands.DecreaseIndentation)
{
DecreaseIndentation(thisSelection, parentListItem, immediateListItem);
}
else
{
Invariant.Assert(false);
}
}
}
// Token: 0x06003B88 RID: 15240 RVA: 0x0010F530 File Offset: 0x0010D730
internal static bool SplitListsForFlowDirectionChange(TextPointer start, TextPointer end, object newFlowDirectionValue)
{
ListItem listAncestor = start.GetListAncestor();
if (listAncestor != null && listAncestor.List != null && !TextSchema.ValuesAreEqual(newFlowDirectionValue, listAncestor.List.GetValue(Block.FlowDirectionProperty)))
{
while (listAncestor != null && listAncestor.List != null && listAncestor.List.Parent is ListItem)
{
if (!TextRangeEditLists.UnindentListItems(new TextRange(start, TextRangeEditLists.GetPositionAfterList(listAncestor.List))))
{
return(false);
}
listAncestor = start.GetListAncestor();
}
}
ListItem listItem = end.GetListAncestor();
if (listItem != null && listItem.List != null && !TextSchema.ValuesAreEqual(newFlowDirectionValue, listItem.List.GetValue(Block.FlowDirectionProperty)))
{
if (listAncestor == null || listAncestor.List == null || listItem.List.ElementEnd.CompareTo(listAncestor.List.ElementEnd) >= 0)
{
while (listItem != null && listItem.List != null && listItem.List.Parent is ListItem)
{
if (!TextRangeEditLists.UnindentListItems(new TextRange(listItem.List.ContentStart, TextRangeEditLists.GetPositionAfterList(listItem.List))))
{
return(false);
}
listItem = end.GetListAncestor();
}
}
}
if ((listAncestor = start.GetListAncestor()) != null && listAncestor.PreviousListItem != null && listAncestor.List != null && !TextSchema.ValuesAreEqual(newFlowDirectionValue, listAncestor.List.GetValue(Block.FlowDirectionProperty)))
{
Invariant.Assert(!(listAncestor.List.Parent is ListItem), "startListItem's list must not be nested!");
TextRangeEdit.SplitElement(listAncestor.ElementStart);
}
if ((listItem = end.GetListAncestor()) != null && listItem.List != null && !TextSchema.ValuesAreEqual(newFlowDirectionValue, listItem.List.GetValue(Block.FlowDirectionProperty)))
{
if (listItem.List.Parent is ListItem)
{
while (listItem.List != null && listItem.List.Parent is ListItem)
{
listItem = (ListItem)listItem.List.Parent;
}
}
if (listItem.List != null && listItem.NextListItem != null)
{
Invariant.Assert(!(listItem.List.Parent is ListItem), "endListItem's list must not be nested!");
TextRangeEdit.SplitElement(listItem.ElementEnd);
}
}
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)));
}
// Token: 0x06003874 RID: 14452 RVA: 0x000FCCBC File Offset: 0x000FAEBC
private static void OnListCommand(object target, ExecutedRoutedEventArgs args)
{
TextEditor textEditor = TextEditor._GetTextEditor(target);
if (textEditor == null || !textEditor._IsEnabled || textEditor.IsReadOnly || !textEditor.AcceptsRichContent || !(textEditor.Selection is TextSelection))
{
return;
}
TextEditorTyping._FlushPendingInputItems(textEditor);
if (!TextRangeEditLists.IsListOperationApplicable((TextSelection)textEditor.Selection))
{
return;
}
using (textEditor.Selection.DeclareChangeBlock())
{
TextSelection textSelection = (TextSelection)textEditor.Selection;
ListItem listItem = TextPointerBase.GetListItem(textSelection.Start);
ListItem immediateListItem = TextPointerBase.GetImmediateListItem(textSelection.Start);
List list = (listItem == null) ? null : ((List)listItem.Parent);
TextEditorSelection._ClearSuggestedX(textEditor);
if (args.Command == EditingCommands.ToggleBullets)
{
TextEditorLists.ToggleBullets(textSelection, listItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.ToggleNumbering)
{
TextEditorLists.ToggleNumbering(textSelection, listItem, immediateListItem, list);
}
else if (args.Command == EditingCommands.RemoveListMarkers)
{
TextRangeEditLists.ConvertListItemsToParagraphs(textSelection);
}
else if (args.Command == EditingCommands.IncreaseIndentation)
{
TextEditorLists.IncreaseIndentation(textSelection, listItem, immediateListItem);
}
else if (args.Command == EditingCommands.DecreaseIndentation)
{
TextEditorLists.DecreaseIndentation(textSelection, listItem, immediateListItem);
}
else
{
Invariant.Assert(false);
}
}
}
// Token: 0x06003863 RID: 14435 RVA: 0x000FC504 File Offset: 0x000FA704
private static bool PasteTextElement(TextEditor This, TextElement sectionOrSpan)
{
bool result = false;
This.Selection.BeginChange();
try
{
((TextRange)This.Selection).SetXmlVirtual(sectionOrSpan);
TextRangeEditLists.MergeListsAroundNormalizedPosition((TextPointer)This.Selection.Start);
TextRangeEditLists.MergeListsAroundNormalizedPosition((TextPointer)This.Selection.End);
TextRangeEdit.MergeFlowDirection((TextPointer)This.Selection.Start);
TextRangeEdit.MergeFlowDirection((TextPointer)This.Selection.End);
result = true;
}
finally
{
This.Selection.EndChange();
}
return(result);
}
// Token: 0x06003878 RID: 14456 RVA: 0x000FCFC8 File Offset: 0x000FB1C8
private static void DecreaseIndentation(TextSelection thisSelection, ListItem parentListItem, ListItem immediateListItem)
{
if (immediateListItem != null)
{
TextRangeEditLists.UnindentListItems(thisSelection);
return;
}
if (parentListItem != null)
{
TextRangeEditLists.ConvertParagraphsToListItems(thisSelection, TextMarkerStyle.Disc);
TextRangeEditLists.UnindentListItems(thisSelection);
return;
}
if (!thisSelection.IsEmpty)
{
TextRangeEdit.IncrementParagraphLeadingMargin(thisSelection, 20.0, PropertyValueAction.DecreaseByAbsoluteValue);
return;
}
Block paragraphOrBlockUIContainer = thisSelection.Start.ParagraphOrBlockUIContainer;
if (paragraphOrBlockUIContainer is BlockUIContainer)
{
TextRangeEdit.IncrementParagraphLeadingMargin(thisSelection, 20.0, PropertyValueAction.DecreaseByAbsoluteValue);
return;
}
TextEditorLists.CreateImplicitParagraphIfNeededAndUpdateSelection(thisSelection);
Paragraph paragraph = thisSelection.Start.Paragraph;
Invariant.Assert(paragraph != null, "EnsureInsertionPosition must guarantee a position in text content");
if (paragraph.TextIndent > 20.0)
{
TextRangeEdit.SetParagraphProperty(thisSelection.Start, thisSelection.End, Paragraph.TextIndentProperty, 20.0, PropertyValueAction.SetValue);
return;
}
if (paragraph.TextIndent > 0.0)
{
TextRangeEdit.SetParagraphProperty(thisSelection.Start, thisSelection.End, Paragraph.TextIndentProperty, 0.0, PropertyValueAction.SetValue);
return;
}
TextRangeEdit.IncrementParagraphLeadingMargin(thisSelection, 20.0, PropertyValueAction.DecreaseByAbsoluteValue);
}
// Token: 0x06003B7F RID: 15231 RVA: 0x0010EDDC File Offset: 0x0010CFDC
internal static bool MergeListsAroundNormalizedPosition(TextPointer mergePosition)
{
TextPointer textPointer = mergePosition.CreatePointer();
while (textPointer.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementEnd)
{
textPointer.MoveToNextContextPosition(LogicalDirection.Forward);
}
bool flag = TextRangeEditLists.MergeLists(textPointer);
if (!flag)
{
textPointer.MoveToPosition(mergePosition);
while (textPointer.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementStart)
{
textPointer.MoveToNextContextPosition(LogicalDirection.Backward);
}
flag = TextRangeEditLists.MergeLists(textPointer);
}
return(flag);
}
// Token: 0x06003B7E RID: 15230 RVA: 0x0010EB84 File Offset: 0x0010CD84
internal static bool MergeParagraphs(Block firstParagraphOrBlockUIContainer, Block secondParagraphOrBlockUIContainer)
{
if (!TextRangeEditLists.ParagraphsAreMergeable(firstParagraphOrBlockUIContainer, secondParagraphOrBlockUIContainer))
{
return(false);
}
ListItem listItem = (secondParagraphOrBlockUIContainer.PreviousBlock == null) ? (secondParagraphOrBlockUIContainer.Parent as ListItem) : null;
if (listItem != null && listItem.PreviousListItem == null && secondParagraphOrBlockUIContainer.NextBlock is List)
{
List list = (List)secondParagraphOrBlockUIContainer.NextBlock;
if (list.ElementEnd.CompareTo(listItem.ContentEnd) == 0)
{
listItem.Reposition(null, null);
}
else
{
listItem.Reposition(list.ElementEnd, listItem.ContentEnd);
}
list.Reposition(null, null);
}
while (secondParagraphOrBlockUIContainer.ElementStart.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementStart)
{
TextElement textElement = (TextElement)secondParagraphOrBlockUIContainer.Parent;
Invariant.Assert(textElement != null);
Invariant.Assert(TextSchema.AllowsParagraphMerging(textElement.GetType()));
if (secondParagraphOrBlockUIContainer.ElementEnd.CompareTo(textElement.ContentEnd) == 0)
{
textElement.Reposition(null, null);
}
else
{
textElement.Reposition(secondParagraphOrBlockUIContainer.ElementEnd, textElement.ContentEnd);
}
}
TextPointer frozenPointer = secondParagraphOrBlockUIContainer.ElementEnd.GetFrozenPointer(LogicalDirection.Forward);
for (;;)
{
TextElement textElement2 = secondParagraphOrBlockUIContainer.ElementStart.GetAdjacentElement(LogicalDirection.Backward) as TextElement;
Invariant.Assert(textElement2 != null);
if (textElement2 is Paragraph || textElement2 is BlockUIContainer)
{
break;
}
Invariant.Assert(TextSchema.AllowsParagraphMerging(textElement2.GetType()));
textElement2.Reposition(textElement2.ContentStart, secondParagraphOrBlockUIContainer.ElementEnd);
}
if (secondParagraphOrBlockUIContainer.TextRange.IsEmpty)
{
secondParagraphOrBlockUIContainer.RepositionWithContent(null);
}
else if (firstParagraphOrBlockUIContainer.TextRange.IsEmpty)
{
firstParagraphOrBlockUIContainer.RepositionWithContent(null);
}
else if (firstParagraphOrBlockUIContainer is Paragraph && secondParagraphOrBlockUIContainer is Paragraph)
{
Invariant.Assert(firstParagraphOrBlockUIContainer.ElementEnd.CompareTo(secondParagraphOrBlockUIContainer.ElementStart) == 0);
firstParagraphOrBlockUIContainer.Reposition(firstParagraphOrBlockUIContainer.ContentStart, secondParagraphOrBlockUIContainer.ElementEnd);
TextPointer elementStart = secondParagraphOrBlockUIContainer.ElementStart;
secondParagraphOrBlockUIContainer.Reposition(null, null);
TextRangeEdit.MergeFormattingInlines(elementStart);
}
ListItem listItem2 = (frozenPointer.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementStart) ? (frozenPointer.GetAdjacentElement(LogicalDirection.Forward) as ListItem) : null;
if (listItem2 != null && listItem2 == listItem)
{
ListItem listItem3 = frozenPointer.GetAdjacentElement(LogicalDirection.Backward) as ListItem;
if (listItem3 != null)
{
Invariant.Assert(frozenPointer.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementStart);
Invariant.Assert(frozenPointer.GetPointerContext(LogicalDirection.Backward) == TextPointerContext.ElementEnd);
listItem3.Reposition(listItem3.ContentStart, listItem2.ElementEnd);
listItem2.Reposition(null, null);
}
}
TextRangeEditLists.MergeLists(frozenPointer);
return(true);
}
// Token: 0x06003B85 RID: 15237 RVA: 0x0010F26C File Offset: 0x0010D46C
internal static bool UnindentListItems(TextRange range)
{
if (!TextRangeEditLists.IsRangeWithinSingleList(range))
{
return(false);
}
ListItem listItem = TextPointerBase.GetListItem(range.Start);
ListItem listItem2 = TextPointerBase.GetListItem((TextPointer)TextRangeEdit.GetAdjustedRangeEnd(range.Start, range.End));
for (TextElement textElement = (TextElement)listItem2.Parent; textElement != listItem.Parent; textElement = (TextElement)textElement.Parent)
{
listItem2 = (textElement as ListItem);
}
if (listItem2 == null)
{
return(false);
}
if (listItem.PreviousListItem != null)
{
TextRangeEdit.SplitElement(listItem.ElementStart);
}
if (listItem2.NextListItem != null)
{
TextRangeEdit.SplitElement(listItem2.ElementEnd);
}
List list = (List)listItem.Parent;
ListItem listItem3 = list.Parent as ListItem;
if (listItem3 != null)
{
list.Reposition(null, null);
TextPointer contentEnd = listItem3.ContentEnd;
if (listItem3.ContentStart.CompareTo(listItem.ElementStart) == 0)
{
listItem3.Reposition(null, null);
}
else
{
listItem3.Reposition(listItem3.ContentStart, listItem.ElementStart);
}
if (contentEnd.CompareTo(listItem2.ElementEnd) != 0)
{
TextPointer contentEnd2 = listItem2.ContentEnd;
listItem2.Reposition(listItem2.ContentStart, contentEnd);
TextRangeEditLists.MergeLists(contentEnd2);
}
}
else
{
TextPointer elementStart = list.ElementStart;
TextPointer elementEnd = list.ElementEnd;
object value = list.GetValue(Block.FlowDirectionProperty);
list.Reposition(null, null);
ListItem listItem5;
for (ListItem listItem4 = listItem; listItem4 != null; listItem4 = ((listItem4 == listItem2) ? null : listItem5))
{
listItem5 = (listItem4.ElementEnd.GetAdjacentElement(LogicalDirection.Forward) as ListItem);
if (listItem4.ContentStart.CompareTo(listItem4.ContentEnd) == 0)
{
TextRangeEditTables.EnsureInsertionPosition(listItem4.ContentStart);
}
listItem4.Reposition(null, null);
}
TextRangeEdit.SetParagraphProperty(elementStart, elementEnd, Block.FlowDirectionProperty, value);
TextRangeEditLists.MergeLists(elementStart);
TextRangeEditLists.MergeLists(elementEnd);
}
return(true);
}