// Token: 0x060031BA RID: 12730 RVA: 0x000DBC04 File Offset: 0x000D9E04
internal void Apply(Block firstBlock, Block lastBlock)
{
Invariant.Assert(base.Parent == null, "Cannot Apply List Because It Is Inserted In The Tree Already.");
Invariant.Assert(base.IsEmpty, "Cannot Apply List Because It Is Not Empty.");
Invariant.Assert(firstBlock.Parent == lastBlock.Parent, "Cannot Apply List Because Block Are Not Siblings.");
TextContainer textContainer = base.TextContainer;
textContainer.BeginChange();
try
{
base.Reposition(firstBlock.ElementStart, lastBlock.ElementEnd);
ListItem listItem;
for (Block block = firstBlock; block != null; block = ((block == lastBlock) ? null : ((Block)listItem.ElementEnd.GetAdjacentElement(LogicalDirection.Forward))))
{
if (block is List)
{
listItem = (block.ElementStart.GetAdjacentElement(LogicalDirection.Backward) as ListItem);
if (listItem != null)
{
listItem.Reposition(listItem.ContentStart, block.ElementEnd);
}
else
{
listItem = new ListItem();
listItem.Reposition(block.ElementStart, block.ElementEnd);
}
}
else
{
listItem = new ListItem();
listItem.Reposition(block.ElementStart, block.ElementEnd);
block.ClearValue(Block.MarginProperty);
block.ClearValue(Block.PaddingProperty);
block.ClearValue(Paragraph.TextIndentProperty);
}
}
TextRangeEdit.SetParagraphProperty(base.ElementStart, base.ElementEnd, Block.FlowDirectionProperty, firstBlock.GetValue(Block.FlowDirectionProperty));
}
finally
{
textContainer.EndChange();
}
}
/// <summary>
/// Inserts a List around a sequence of Blocks
/// starting from firstBlock ending with lastBlock.
/// the List must be empty and not inserted in a tree
/// before the operation
/// </summary>
/// <param name="firstBlock"></param>
/// <param name="lastBlock"></param>
internal void Apply(Block firstBlock, Block lastBlock)
{
Invariant.Assert(this.Parent == null, "Cannot Apply List Because It Is Inserted In The Tree Already.");
Invariant.Assert(this.IsEmpty, "Cannot Apply List Because It Is Not Empty.");
Invariant.Assert(firstBlock.Parent == lastBlock.Parent, "Cannot Apply List Because Block Are Not Siblings.");
TextContainer textContainer = this.TextContainer;
textContainer.BeginChange();
try
{
// Wrap all block items into this List element
this.Reposition(firstBlock.ElementStart, lastBlock.ElementEnd);
// Add ListItem elements
Block block = firstBlock;
while (block != null)
{
ListItem listItem;
if (block is List)
{
// To wrap List into list item we pull it into previous ListItem (if any) as sublist
listItem = block.ElementStart.GetAdjacentElement(LogicalDirection.Backward) as ListItem;
if (listItem != null)
{
// Wrap the List into preceding ListItem
listItem.Reposition(listItem.ContentStart, block.ElementEnd);
}
else
{
// No preceding ListItem. Create new one
listItem = new ListItem();
listItem.Reposition(block.ElementStart, block.ElementEnd);
}
}
else
{
// To wrap paragraph into list item we need to create a new one
//
listItem = new ListItem();
listItem.Reposition(block.ElementStart, block.ElementEnd);
// MS Word-like heuristic: clear margin from a paragraph before wrapping it into a list item
// Note: using TextContainer to make sure that undo unit is created.
block.ClearValue(Block.MarginProperty);
block.ClearValue(Block.PaddingProperty);
block.ClearValue(Paragraph.TextIndentProperty);
}
// Stop when the last paragraph is covered
block = block == lastBlock ? null : (Block)listItem.ElementEnd.GetAdjacentElement(LogicalDirection.Forward);
}
// We need to set appropriate FlowDirection property on the new List and its paragraph children.
// We take the FlowDirection value from the first paragraph's FlowDirection value.
TextRangeEdit.SetParagraphProperty(this.ElementStart, this.ElementEnd,
Paragraph.FlowDirectionProperty, firstBlock.GetValue(Paragraph.FlowDirectionProperty));
}
finally
{
textContainer.EndChange();
}
}