private void ProcessItemValueChanged(MemberWrapper sender)
{
m_modified = true;
// Set the "modified" flag in each property that's visible in the grid, then clear the cache.
// (This needs to be done for all properties, because any of them may have changed as a result of one
// value changing.) If the value was modified then RefreshIfExpanded() collapses and re-expands the
// row to show the new value (which may have a different number of child properties than the old value).
foreach (MemberWrapper wrapper in m_properties)
{
wrapper.SetModified();
wrapper.ClearCache();
}
sender.Modified = true;
// Check all the expanded members. Any one of them may now have completely different members,
// so they need to be collapsed and re-expanded (unless the value was cahnged to null).
DataGridExpandableColumn column = NameColumn;
// Cannot use foreach here, because some elements may be removed from the collection as
// we're iterating over it.
for (int index = 0; index < m_properties.Count; index++)
{
MemberWrapper wrapper = (MemberWrapper)m_properties[index];
column.RefreshIfExpanded((CellEditorData)wrapper.Tag);
}
// Invalidate the column to hide any + buttons that should no longer be shown and re-display
// the values.
column.Invalidate();
}
private void InitialiseDataGrid()
{
DataGridTableStyle tableStyle = new DataGridTableStyle();
DataGridExpandableColumn nameColumn = new DataGridExpandableColumn();
nameColumn.ReadOnly = true;
nameColumn.MappingName = m_nameColumnMappingName;
nameColumn.HeaderText = NameColumnHeaderText;
nameColumn.Width = 100;
nameColumn.Expand += new MemberWrapperEventHandler(nameColumn_Expand);
nameColumn.Collapse += new MemberWrapperEventHandler(nameColumn_Collapse);
tableStyle.GridColumnStyles.Add(nameColumn);
if (ShowMemberTypeColumn)
{
DataGridTextBoxColumn memberTypeColumn = new DataGridTextBoxColumn();
memberTypeColumn.ReadOnly = true;
memberTypeColumn.MappingName = m_memberTypeColumnMappingName;
memberTypeColumn.HeaderText = "Member Type";
memberTypeColumn.Width = 150;
tableStyle.GridColumnStyles.Add(memberTypeColumn);
}
DataGridTextBoxColumn valueTypeColumn = new DataGridTextBoxColumn();
valueTypeColumn.ReadOnly = true;
valueTypeColumn.MappingName = m_valueTypeColumnMappingName;
valueTypeColumn.HeaderText = "Value Type";
valueTypeColumn.Width = 150;
tableStyle.GridColumnStyles.Add(valueTypeColumn);
DataGridEditorColumn editorColumn = new DataGridEditorColumn();
editorColumn.MappingName = m_editorColumnMappingName;
editorColumn.HeaderText = "Value";
editorColumn.NullText = "<null>";
tableStyle.GridColumnStyles.Add(editorColumn);
tableStyle.HeaderForeColor = SystemColors.ControlText;
tableStyle.RowHeadersVisible = false;
tableStyle.MappingName = typeof(MemberWrappers).Name;
tableStyle.DataGrid = this.grid;
grid.TableStyles.Add(tableStyle);
nameColumn.Initialise();
editorColumn.Initialise();
editorColumn.EditorCommitted += new MemberWrapperEventHandler(editorColumn_EditorCommitted);
m_initialised = true;
}
