/// <summary>
/// Add a row data model to the grid UI, create a corresponding VM.
/// The grid row must have cells.
/// Use this method when you map your application dataGrid model to this component dataGrid model.
/// </summary>
/// <param name="gridRow"></param>
/// <returns></returns>
public IGridRowVM AddRow(IGridRow gridRow)
{
if (gridRow == null)
{
return(null);
}
// check the cells (basic check: just the number of cells)
if (gridRow.ListCell.Count() != _collColumnGrid.Count)
{
return(null);
}
// the row should be present in the dataGrid model
if (!_dynDataGrid.ListRow.Contains(gridRow))
{
return(null);
}
// add it to the view: create VM
IGridRowVM rowVM = new GridRowVM(gridRow);
_collDataRow.Add(rowVM);
RaisePropertyChanged("CollDataRow");
return(rowVM);
}
/// <summary>
/// Delete the row data model, delete also the corresponding View model.
/// Update the UI.
/// </summary>
/// <param name="row"></param>
public void DelRow(IGridRowVM row)
{
// get the next item in the datagrid, if exists
IGridRowVM selectedRowVM = _selectedRow;
// remove the VM
GridRowVM rowVM = selectedRowVM as GridRowVM;
_collDataRow.Remove(selectedRowVM);
// remove the row from the datagrid
_dynDataGrid.RemoveRow(rowVM.GridRow);
RaisePropertyChanged("CollDataRow");
// get the next one or the last, if exists
_selectedRow = GetNextOrLast(selectedRowVM);
RaisePropertyChanged("SelectedRow");
}
/// <summary>
/// Initialization, create the all VM: cols and rows (and cells), corresponding to the dataGrid model.
/// </summary>
private void Init()
{
//----build the columns of the dataGrid
_collColumnGrid.Clear();
// add list of column definition
foreach (IGridColumn column in _dynDataGrid.ListColumn)
{
AddColumnVM(column);
}
RaisePropertyChanged("CollColumnGrid");
//----build the rows of the dataGrid
_collDataRow.Clear();
foreach (IGridRow gridRow in _dynDataGrid.ListRow)
{
IGridRowVM rowVM = new GridRowVM(gridRow);
_collDataRow.Add(rowVM);
}
RaisePropertyChanged("CollDataRow");
}
/// <summary>
/// Create a row with (empty) cells, at the end.
/// create row and cells models and ViewModel.
/// Use this method for a basic usage: you use the component dataGrid as your application dataGrid model.
/// </summary>
/// <returns></returns>
public IGridRow CreateRowWithCells()
{
IGridRow row = new GridRow(_dynDataGrid);
// get columns
foreach (IGridColumn col in _dynDataGrid.ListColumn)
{
// create the cell, matching the type defined in the column
IGridCell cell = _gridFactory.CreateCell(_dynDataGrid, col, row);
row.AddCell(cell);
}
// add the row to the dataGrid
_dynDataGrid.AddRow(row);
// add it to the view: create VM
IGridRowVM rowVM = new GridRowVM(row);
_collDataRow.Add(rowVM);
RaisePropertyChanged("CollDataRow");
return(row);
}
