// These methods are not used, but they are very useful when developing the Design experience
#if Development
/// <summary>
/// Adds a default column for each property in the data source
/// </summary>
public static void GenerateColumns(ModelItem dataGridModelItem, EditingContext context)
{
using (ModelEditingScope scope = dataGridModelItem.BeginEdit(Properties.Resources.Generate_Columns))
{
// Set databinding related properties
DataGridDesignHelper.SparseSetValue(dataGridModelItem.Properties[MyPlatformTypes.DataGrid.AutoGenerateColumnsProperty], false);
// Get the datasource
object dataSource = dataGridModelItem.Properties[MyPlatformTypes.DataGrid.ItemsSourceProperty].ComputedValue;
if (dataSource != null)
{
foreach (ColumnInfo columnGenerationInfo in DataGridDesignHelper.GetColumnGenerationInfos(dataSource))
{
ModelItem dataGridColumn = null;
dataGridColumn = DataGridDesignHelper.CreateDefaultDataGridColumn(context, columnGenerationInfo);
if (dataGridColumn != null)
{
dataGridModelItem.Properties[MyPlatformTypes.DataGrid.ColumnsProperty].Collection.Add(dataGridColumn);
}
}
}
scope.Complete();
}
}
private static void OnColumnIsReadOnlyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PropertyColumnDataModel columnModel = (PropertyColumnDataModel)d;
if (columnModel.Column != null)
{
DataGridDesignHelper.SparseSetValue(columnModel.Column.Properties[PlatformTypes.DataGridColumn.IsReadOnlyProperty], e.NewValue);
}
}
// Set any property defaults here
public override void InitializeDefaults(ModelItem item)
{
if (item != null)
{
DataGridDesignHelper.SparseSetValue(item.Properties[PlatformTypes.DataGrid.WidthProperty], 200.0);
DataGridDesignHelper.SparseSetValue(item.Properties[PlatformTypes.DataGrid.HeightProperty], 200.0);
DataGridDesignHelper.SparseSetValue(item.Properties[PlatformTypes.DataGrid.AutoGenerateColumnsProperty], false);
}
}
/// <summary>
/// When the column changes we need to sync other properties to keep our databinding in sync.
/// </summary>
private void SyncColumnProperties()
{
if (!_isSyncing)
{
_isSyncing = true;
try
{
if (Column == null)
{
BindingPath = string.Empty;
ColumnTypeName = string.Empty;
HasColumn = false;
}
else
{
SetBindingPath();
ColumnTypeName = DataGridDesignHelper.GetColumnStringType(Column);
HasColumn = true;
// We sometimes want to pull the properties from the column, and other times we want to
// push the models properties down to the column.
if (_restoreColumn)
{
DataGridDesignHelper.SparseSetValue(Column.Properties[PlatformTypes.DataGridColumn.HeaderProperty], ColumnHeader);
DataGridDesignHelper.SparseSetValue(Column.Properties[PlatformTypes.DataGridColumn.CanUserReorderProperty], ColumnCanUserReorder);
DataGridDesignHelper.SparseSetValue(Column.Properties[PlatformTypes.DataGridColumn.CanUserResizeProperty], ColumnCanUserResize);
DataGridDesignHelper.SparseSetValue(Column.Properties[PlatformTypes.DataGridColumn.CanUserSortProperty], ColumnCanUserSort);
DataGridDesignHelper.SparseSetValue(Column.Properties[PlatformTypes.DataGridColumn.IsReadOnlyProperty], ColumnIsReadOnly);
}
else
{
// Update based on what's set in the ModelItem
ModelProperty modelProperty = Column.Properties[PlatformTypes.DataGridColumn.HeaderProperty];
ColumnHeader = modelProperty.IsSet ? (string)modelProperty.ComputedValue : null;
modelProperty = Column.Properties[PlatformTypes.DataGridColumn.CanUserReorderProperty];
ColumnCanUserReorder = modelProperty.IsSet ? (bool?)modelProperty.ComputedValue : null;
modelProperty = Column.Properties[PlatformTypes.DataGridColumn.CanUserResizeProperty];
ColumnCanUserResize = modelProperty.IsSet ? (bool?)modelProperty.ComputedValue : null;
modelProperty = Column.Properties[PlatformTypes.DataGridColumn.CanUserSortProperty];
ColumnCanUserSort = modelProperty.IsSet ? (bool?)modelProperty.ComputedValue : null;
modelProperty = Column.Properties[PlatformTypes.DataGridColumn.IsReadOnlyProperty];
ColumnIsReadOnly = modelProperty.IsSet ? (bool?)modelProperty.ComputedValue : null;
}
}
}
finally
{
_isSyncing = false;
}
}
}
private static void OnColumnHeaderPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
PropertyColumnDataModel columnModel = (PropertyColumnDataModel)d;
if (columnModel.Column != null)
{
if (e.NewValue == null)
{
columnModel.Column.Properties[PlatformTypes.DataGridColumn.HeaderProperty].ClearValue();
}
else
{
DataGridDesignHelper.SparseSetValue(columnModel.Column.Properties[PlatformTypes.DataGridColumn.HeaderProperty], e.NewValue);
}
}
}
internal void OnHasColumnChanged()
{
EnsureSelectAllChecked();
DataGridDesignHelper.SparseSetValue(_dataGrid.Properties[PlatformTypes.DataGrid.AutoGenerateColumnsProperty], false);
}
