/// <summary>
/// Exibe o formulário de pesquisa com os registros
/// </summary>
///<param name="values">Coleção do tipo IDisplayValues</param>
public static SearchWindowResult Show(IDisplayValues values, string filter = "")
{
SearchWindowForm form = new SearchWindowForm();
values.ApplyFilters(filter.IsNullOrEmpty() ? null : form.Predicate(filter));
form.MainGrid.Populate(values);
form.TopMost = true;
form.ShowDialog();
SearchWindowResult result = form.Result;
form.Close();
form.Dispose();
return result;
}
/// <summary>
/// Move o registro para a página solicitada.
/// <para>Por ser uma definição dinâmica, não temos como saber quem é a última página.</para>
/// </summary>
/// <returns>true se realmente moveu para a página</returns>
/// <exception cref="DynamicPaging">Exceção lançada quando o DynamicPaging não está definido</exception>
public bool MoveToPage(int page)
{
bool result = false;
if (IsDynamicPaging)
{
//se ficar como zero o offset, algo pode dar errado, então ajustamos para ter sempre o pagesize padrão
if (Where.Limit.From <= PageSize)
{
Where.Limit = new Limit(PageSize, 0);
}
Where.Limit = new Limit(Where.Limit.From * ((page - 1) + 1), Where.Limit.OffSet);
values.Clear();
IDisplayValues displayValues = DynamicPaging.Invoke(Where);
if (displayValues != null)
{
DataReader = displayValues.DataReader;
values = displayValues.Values;
if (page > 1 && values.Count == 0)
{
MoveToPage(--page);
return(false);
}
}
result = (values != null && values.Count > 0);
}
else
{
throw new DynamicPaging();
}
return(result);
}
/// <summary>
/// Preenche os dados da grid
/// </summary>
/// <param name="values">valores que deverão ser populados</param>
/// <param name="refreshing">Se true, recria a grid.</param>
public void Populate(IDisplayValues values, bool refreshing)
{
if(values == null) return;
_dataSource = values;
if(_dataSource.CreateColumns)
PrepareColumns(_dataSource.Columns);
Populate(values.Values);
}
/// <summary>
/// Preenche os dados da grid
/// </summary>
/// <param name="values">valores que deverão ser populados</param>
public virtual void Populate(IDisplayValues values)
{
Populate(values, false);
}
public GridPanel()
{
InitializeComponent();
_dataSource = new DisplayValues(null);
grid.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
grid.Dock = System.Windows.Forms.DockStyle.None;
grid.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;
grid.ShowCellErrors = false;
grid.ShowRowErrors = false;
grid.AllowUserToOrderColumns = false;
this.ScrollBars = ScrollBars.Both;
#region Eventos da Grid
grid.CellMouseDoubleClick += new DataGridViewCellMouseEventHandler((sender, e) =>
{
if(e.RowIndex >= 0 &&
CellMouseDoubleClick != null)
{
CellMouseDoubleClick(sender, e);
}
else
toolbarGridPanel.EditButton.PerformClick();
});
grid.SelectionChanged += new EventHandler((sender, e) =>
{
if(clearing) return;
if(SelectionChanged != null)
SelectionChanged(sender, e);
});
grid.CellClick += new DataGridViewCellEventHandler((sender, e) =>
{
if(CellClick != null)
CellClick(sender, e);
});
grid.RowEnter += new DataGridViewCellEventHandler((sender, e) =>
{
if(RowEnter != null)
RowEnter(sender, e);
});
grid.CellDoubleClick += new DataGridViewCellEventHandler((sender, e) =>
{
if(e.RowIndex >= 0 &&
CellDoubleClick != null)
{
CellDoubleClick(sender, e);
}
});
grid.CellEndEdit += new DataGridViewCellEventHandler((sender, e) =>
{
if(clearing) return;
if(CellEndEdit != null)
CellEndEdit(sender, e);
});
grid.CellValueChanged += new DataGridViewCellEventHandler((sender, e) =>
{
if(clearing) return;
if(CellValueChanged != null)
CellValueChanged(sender, e);
});
grid.CellBeginEdit += new DataGridViewCellCancelEventHandler((sender, e) =>
{
if(clearing) return;
if(CellBeginEdit != null)
CellBeginEdit(sender, e);
});
grid.RowsAdded += new DataGridViewRowsAddedEventHandler((sender, e) =>
{
if(clearing) return;
#region Bug Fix #17050
if(!grid.Rows[e.RowIndex].IsNewRow && !fromPopulate)
{
object[] value = new object[grid.ColumnCount];
for(int i = 0; i < grid.ColumnCount; i++)
{
value[i] = grid.Rows[e.RowIndex].Cells[i].Value;
}
_dataSource.Values.Add(value);
pagingToolbar.RecordCount = RowsCount;
}
#endregion
if(RowsAdded != null)
RowsAdded(sender, e);
});
grid.RowsRemoved += new DataGridViewRowsRemovedEventHandler((sender, e) =>
{
if(clearing) return;
if(RowsRemoved != null && e.RowIndex >= 0)
RowsRemoved(sender, e);
pagingToolbar.RecordCount = RowsCount;
});
grid.DataError += new DataGridViewDataErrorEventHandler((sender, e) =>
{
if(DataError != null)
DataError(sender, e);
});
grid.KeyDown += (s, e) =>
{
if(e.KeyCode == Keys.Delete)
{
e.Handled = true;
DeleteRow();
}
};
#endregion
}
public void Inicializar(IDisplayValues values)
{
sfFiltro.DataSource = DisplayValues = values;
grdFiltroRegra.PrepareColumns(values.Columns);
grdFiltroRegra.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
grdFiltroRegra.Refresh();
}
