private void ParentManager_CurrentItemChanged(object sender, EventArgs e)
{
if (!IgnoreItemChangedTable.Contains(this.parentManager))
{
int listposition = base.listposition;
try
{
base.PullData();
}
catch (Exception exception)
{
base.OnDataError(exception);
}
if (this.parentManager is CurrencyManager)
{
CurrencyManager parentManager = (CurrencyManager)this.parentManager;
if (parentManager.Count > 0)
{
this.SetDataSource(this.fieldInfo.GetValue(parentManager.Current));
base.listposition = (this.Count > 0) ? 0 : -1;
}
else
{
parentManager.AddNew();
try
{
IgnoreItemChangedTable.Add(parentManager);
parentManager.CancelCurrentEdit();
}
finally
{
if (IgnoreItemChangedTable.Contains(parentManager))
{
IgnoreItemChangedTable.Remove(parentManager);
}
}
}
}
else
{
this.SetDataSource(this.fieldInfo.GetValue(this.parentManager.Current));
base.listposition = (this.Count > 0) ? 0 : -1;
}
if (listposition != base.listposition)
{
this.OnPositionChanged(EventArgs.Empty);
}
this.OnCurrentChanged(EventArgs.Empty);
this.OnCurrentItemChanged(EventArgs.Empty);
}
}
private void ParentManager_CurrentChanged(object sender, EventArgs e)
{
int oldlistposition = this.listposition;
// we only pull the data from the controls into the backEnd. we do not care about keeping the lastGoodKnownRow
// when we are about to change the entire list in this currencymanager.
try {
PullData();
} catch {}
if (parentManager is CurrencyManager)
{
CurrencyManager curManager = (CurrencyManager)parentManager;
if (curManager.Count > 0)
{
SetDataSource(fieldInfo.GetValue(curManager.Current));
listposition = (Count > 0 ? 0 : -1);
}
else
{
// really, really hocky.
// will throw if the list in the curManager is not IBindingList
// and this will fail if the IBindingList does not have list change notification. read on....
// when a new item will get added to an empty parent table,
// the table will fire OnCurrentChanged and this method will get executed again
curManager.AddNew();
curManager.CancelCurrentEdit();
}
}
else
{
SetDataSource(fieldInfo.GetValue(parentManager.Current));
listposition = (Count > 0 ? 0 : -1);
}
if (oldlistposition != listposition)
{
OnPositionChanged(EventArgs.Empty);
}
OnCurrentChanged(EventArgs.Empty);
}
private void ParentManager_CurrentItemChanged(object sender, EventArgs e)
{
if (IgnoreItemChangedTable.Contains(parentManager))
{
return;
}
int oldlistposition = this.listposition;
// we only pull the data from the controls into the backEnd. we do not care about keeping the lastGoodKnownRow
// when we are about to change the entire list in this currencymanager.
try {
PullData();
}
catch (Exception ex) {
OnDataError(ex);
}
if (parentManager is CurrencyManager)
{
CurrencyManager curManager = (CurrencyManager)parentManager;
if (curManager.Count > 0)
{
// Parent list has a current row, so get the related list from the relevant property on that row.
SetDataSource(fieldInfo.GetValue(curManager.Current));
listposition = (Count > 0 ? 0 : -1);
}
else
{
// APPCOMPAT: bring back the Everett behavior where the currency manager adds an item and
// then it cancels the addition.
//
// really, really hocky.
// will throw if the list in the curManager is not IBindingList
// and this will fail if the IBindingList does not have list change notification. read on....
// when a new item will get added to an empty parent table,
// the table will fire OnCurrentChanged and this method will get executed again
// allowing us to set the data source to an object with the right properties (so we can show
// metadata at design time).
// we then call CancelCurrentEdit to remove the dummy row, but making sure to ignore any
// OnCurrentItemChanged that results from this action (to avoid infinite recursion)
curManager.AddNew();
try {
IgnoreItemChangedTable.Add(curManager);
curManager.CancelCurrentEdit();
} finally {
if (IgnoreItemChangedTable.Contains(curManager))
{
IgnoreItemChangedTable.Remove(curManager);
}
}
}
}
else
{
// Case where the parent is not a list, but a single object
SetDataSource(fieldInfo.GetValue(parentManager.Current));
listposition = (Count > 0 ? 0 : -1);
}
if (oldlistposition != listposition)
{
OnPositionChanged(EventArgs.Empty);
}
OnCurrentChanged(EventArgs.Empty);
OnCurrentItemChanged(EventArgs.Empty);
}
/// <summary>
/// Init data
/// </summary>
/// <remarks>
/// Author: PhatLT. FPTSS.
/// Created date: 14/02/2011
/// </remarks>
private void InitData()
{
dt = bo.GetSchemaTable();
_manager = (CurrencyManager)this.BindingContext[dt];
_manager.AddNew();
_manager.Position = 0;
BindDataToControl();
bln_IsEdit = false;
ep.DataSource = dt;
}
protected override void SetColumnValueAtRow(CurrencyManager source, int rowNum, object value)
{
//Rectangle rect= this.DataGridTableStyle.DataGrid.GetCurrentCellBounds();
if (rowNum!=this.DataGridTableStyle.DataGrid.CurrentCell.RowNumber)
{
//source.Position=this.DataGridTableStyle.DataGrid.CurrentCell.RowNumber;
//if (this.DataGridTableStyle.DataGrid.CurrentCell.RowNumber>this.getDataTable.Rows.Count-1)
source.AddNew();
}
base.SetColumnValueAtRow (source, rowNum, value);
//pSparrow.pItemText = pSparrow.pTreeView.SearchByText(value.ToString()).Text;
}
