// Add a cursor at the given index (in the context of the block layout.)
// Return the new cursor.
private StripCursor AddCursorAtBlockLayoutIndex(int index)
{
StripCursor cursor = new StripCursor();
cursor.SetHeight(mBlockHeight);
cursor.ColorSettings = ColorSettings;
cursor.TabStop = false;
cursor.SetAccessibleNameForIndex(index / 2);
mBlockLayout.Controls.Add(cursor);
mBlockLayout.Controls.SetChildIndex(cursor, index);
return(cursor);
}
/// <summary>
/// Set the selection from a strip cursor to its index. This gets passed to the content view.
/// </summary>
public void SetSelectedIndexFromStripCursor(StripCursor cursor)
{
int index = mBlockLayout.Controls.IndexOf(cursor) / 2;
mContentView.SelectionFromStrip = new StripIndexSelection(Node, mContentView, index);
}
private Block AddBlockForNode_Internal(EmptyNode node)
{
if (mBlockLayout.Controls.Count == 0)
{
StripCursor cursor = AddCursorAtBlockLayoutIndex(0);
}
Block block = null; //@
if (m_EmptyNode_BlocksMap.ContainsKey(node))
{
block = m_EmptyNode_BlocksMap[node];
}
else
{
block = node is PhraseNode ? new AudioBlock((PhraseNode)node, this) : new Block(node, this);
m_EmptyNode_BlocksMap.Add(node, block); //@
}
// avoid re adding of blocks, this is temporary fix till dynamic adding and removing stablizes
if (mBlockLayout.Controls.Contains(block))
{
// this problem is now fixed so this if block should be removed in future.
return(block);
}
mBlockLayout.Controls.Add(block);
//mBlockLayout.Controls.SetChildIndex(block, 1 + 2 * node.Index);
AddCursorAtBlockLayoutIndex(2 + 2 * node.Index);
// set all index with each add. this is heavy operation so should be removed after experiments
if (mBlockLayout.Controls.Count > 3)
{
List <int> indexList = new List <int> ();
Dictionary <int, Block> blocksMap = new Dictionary <int, Block> ();
foreach (Control c in mBlockLayout.Controls)
{
if (c is Block)
{
int bIndex = ((Block)c).Node.Index;
indexList.Add(bIndex);
blocksMap.Add(bIndex, (Block)c);
}
}
indexList.Sort();
int firstNodeIndex = indexList[0];
Console.WriteLine("first index " + firstNodeIndex.ToString());
foreach (int i in indexList)
{
mBlockLayout.Controls.SetChildIndex(blocksMap[i], 1 + 2 * (i - firstNodeIndex));
Console.WriteLine("Block is added at " + (1 + 2 * (i - firstNodeIndex)).ToString());
}
}
else
{
mBlockLayout.Controls.SetChildIndex(block, 1);
//AddCursorAtBlockLayoutIndex ( 2 );
}
//
block.SetZoomFactorAndHeight(mContentView.ZoomFactor, mBlockHeight);
block.Cursor = Cursor;
block.SizeChanged += new EventHandler(Block_SizeChanged);
Resize_Blocks();
//UpdateStripCursorsAccessibleName(2 + 2 * node.Index); @ temprorary disabled for experiments
CheckControlTypeAtINdex();
RemoveBlockDynamically(block);
return(block);
}