/// ------------------------------------------------------------------------------------
/// <summary>
/// Processes the row change.
/// </summary>
/// <param name="currRow">The curr row.</param>
/// ------------------------------------------------------------------------------------
private void ProcessRowChange(int currRow)
{
if (!m_list.IsExpanded(currRow))
{
int parentRow;
m_list.GetParent(currRow, out parentRow);
currRow = parentRow;
}
Rectangle rc;
if (currRow < 0)
{
rc = GetBlockRectangle();
if (rc != Rectangle.Empty)
{
Invalidate(rc);
}
m_firstRowInShadind = -1;
m_lastRowInShading = -1;
return;
}
int firstRowInBlock, lastRowInBlock;
GetRowsInBlock(currRow, out firstRowInBlock, out lastRowInBlock);
if (firstRowInBlock == m_firstRowInShadind && lastRowInBlock == m_lastRowInShading)
{
return;
}
rc = GetBlockRectangle();
if (rc != Rectangle.Empty)
{
Invalidate(rc);
}
m_firstRowInShadind = -1;
m_lastRowInShading = -1;
if (firstRowInBlock >= 0 && lastRowInBlock > firstRowInBlock)
{
m_firstRowInShadind = firstRowInBlock;
m_lastRowInShading = lastRowInBlock;
rc = GetBlockRectangle();
if (rc != Rectangle.Empty)
{
Invalidate(rc);
}
}
}
///// ------------------------------------------------------------------------------------
///// <summary>
///// Handles the KeyPress event of the tstxtSearch control.
///// </summary>
///// <param name="sender">The source of the event.</param>
///// <param name="e">The <see cref="System.Windows.Forms.KeyPressEventArgs"/> instance containing the event data.</param>
///// ------------------------------------------------------------------------------------
//private void tstxtSearch_KeyPress(object sender, KeyPressEventArgs e)
//{
// if (e.KeyChar != (char)Keys.Enter)
// return;
// Guid guid = new Guid(tstxtSearch.Text.Trim());
// int i = m_list.GotoGuid(guid);
// if (i >= 0)
// {
// gridInspector.RowCount = m_list.Count;
// gridInspector.Invalidate();
// gridInspector.CurrentCell = gridInspector[0, i];
// }
//}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Refreshes the view.
/// </summary>
/// ------------------------------------------------------------------------------------
public void RefreshView()
{
// Get the object that's displayed in the first visible row of the grid.
IInspectorObject firstDisplayedObj =
m_list[gridInspector.FirstDisplayedScrollingRowIndex];
// Get the current, selected row in the grid.
IInspectorObject currSelectedObj = gridInspector.CurrentObject;
if (currSelectedObj != null && WillObjDisappearOnRefresh != null)
{
// Check if the selected object will disappear after refreshing the grid.
// If so, then save a reference to the selected object's parent object.
if (WillObjDisappearOnRefresh(this, currSelectedObj))
{
currSelectedObj = m_list.GetParent(gridInspector.CurrentCellAddress.Y);
}
}
int keyFirstDisplayedObj = (firstDisplayedObj != null ? firstDisplayedObj.Key : -1);
int keyCurrSelectedObj = (currSelectedObj != null ? currSelectedObj.Key : -1);
// Save all the expanded objects.
List <int> expandedObjects = new List <int>();
for (int i = 0; i < m_list.Count; i++)
{
if (m_list.IsExpanded(i))
{
expandedObjects.Add(m_list[i].Key);
}
}
m_list.Initialize(m_list.TopLevelObject);
// Now that the list is rebuilt, go through the list of objects that
// were previously expanded and expand them again.
int firstRow = 0;
int currRow = 0;
int irow = 0;
while (++irow < m_list.Count)
{
IInspectorObject io = m_list[irow];
int key = io.Key;
int index = expandedObjects.IndexOf(key);
if (index >= 0)
{
m_list.ExpandObject(irow);
expandedObjects.RemoveAt(index);
}
if (key == keyFirstDisplayedObj)
{
firstRow = irow;
}
if (key == keyCurrSelectedObj)
{
currRow = irow;
}
}
gridInspector.SuspendLayout();
gridInspector.List = m_list;
gridInspector.FirstDisplayedScrollingRowIndex = firstRow;
gridInspector.CurrentCell = gridInspector[0, currRow];
gridInspector.ResumeLayout();
}