/// <summary>
/// Called when the UnBoundRow cell gets end edited.
/// </summary>
/// <param name="dc">DataColumnBase Which holds GridColumn, RowColumnIndex and GridCell</param>
/// <param name="record">DataContext of the row</param>
/// <param name="canResetBinding">Reset Binding the CurrentCell</param>
/// <returns></returns>
public override bool EndEdit(DataColumnBase dc, object record, bool canResetBinding = false)
{
var cellRowColumnIndex = new RowColumnIndex(dc.RowIndex, dc.ColumnIndex);
var cellElement = dc.ColumnElement;
var column = dc.GridColumn;
if (!this.HasCurrentCellState)
{
return(false);
}
if (!this.IsInEditing)
{
return(false);
}
if (this.SupportsRenderOptimization)
{
#if WPF
E uiElement = null;
if (!UseOnlyRendererElement && cellElement is GridCell)
{
uiElement = (E)((cellElement as GridCell).Content is FrameworkElement ? (cellElement as GridCell).Content as FrameworkElement : cellElement);
}
else
{
uiElement = cellElement as E;
}
uiElement.PreviewLostKeyboardFocus -= OnLostKeyboardFocus;
#endif
//this.IsFocused = false;
this.SetFocus(false);
GridUnBoundRowEventsArgs gridUnBoundRowEventsArgs = (cellElement as GridCell).ColumnBase.GridUnBoundRowEventsArgs;
var dataColumn = (cellElement as GridCell).ColumnBase;
OnEditingComplete(dataColumn, CurrentCellRendererElement);
if (!UseOnlyRendererElement && cellElement == null)
{
throw new Exception("Cell Element will not be get null for any case");
}
OnUnloadUIElements(dataColumn);
OnPrepareUIElements(dataColumn, record, false);
if (gridUnBoundRowEventsArgs != null && !gridUnBoundRowEventsArgs.hasCellTemplate)
{
UpdateCurrentCellState((cellElement as GridCell).Content as FrameworkElement, false);
}
else
{
UpdateCurrentCellState(cellElement as FrameworkElement, false);
}
}
else
{
UpdateCurrentCellState(this.CurrentCellRendererElement, false);
}
return(!this.IsInEditing);
}
/// <summary>
/// Called from <see>
/// <cref>IGridCellRenderer.PrepareUIElments</cref>
/// </see>
/// to
/// prepare the UnBoundRow cells UIElement children.
/// VirtualizingCellRendererBase overrides this method and
/// creates new UIElements and wires them with the parent cells control.
/// </summary>
/// <param name="dataColumn">DataColumn Which holds GridColumn, RowColumnIndex and GridCell </param>
/// <param name="record">record of the row </param>
/// <param name="isInEdit"></param>
/// <returns></returns>
protected internal override FrameworkElement OnPrepareUIElements(DataColumnBase dataColumn, object record, bool isInEdit)
{
RowColumnIndex cellRowColumnIndex = new RowColumnIndex(dataColumn.RowIndex, dataColumn.ColumnIndex);
FrameworkElement cellContainer = dataColumn.ColumnElement;
FrameworkElement cellcontent = null;
GridUnBoundRowEventsArgs gridUnBoundRowEventsArgs = dataColumn.GridUnBoundRowEventsArgs;
// Create GridCell only for editable columns
// UseOnlyRendererElement for Non-Editable columns
if (!UseOnlyRendererElement && cellContainer == null)
{
cellContainer = OnPrepareUIElements();
}
if (this.SupportsRenderOptimization && !isInEdit)
{
if ((gridUnBoundRowEventsArgs != null && !gridUnBoundRowEventsArgs.hasCellTemplate))
{
// Cell Content will be created for Non Template cells.
cellcontent = CreateOrRecycleDisplayUIElement();
InitializeDisplayElement(dataColumn, (D)cellcontent, record);
WireDisplayUIElement((D)cellcontent);
}
else
{
// We wont create Cell Content for Templated cells.
// GridCell is used as RendererElement with template case.
InitializeTemplateElement(dataColumn, (ContentControl)cellContainer, record);
WireTemplateUIElement((ContentControl)cellContainer);
}
if (cellcontent != null)
{
(cellContainer as GridCell).Content = cellcontent;
}
}
else
{
cellcontent = CreateOrEditRecycleUIElement();
if (dataColumn.GridColumn != null)
{
dataColumn.GridColumn.IsInSuspend = true;
}
InitializeEditElement(dataColumn, (E)cellcontent, record);
if (dataColumn.GridColumn != null)
{
dataColumn.GridColumn.IsInSuspend = false;
}
WireEditUIElement((E)cellcontent);
// GridImageColumn, GridHyperLinkColumn and GridCheckBoxColumn are Non-editable columns.
//So content created and set to GridCell.
if (cellcontent != null && cellContainer is GridCell)
{
(cellContainer as GridCell).Content = cellcontent;
}
}
return(UseOnlyRendererElement ? cellcontent : cellContainer);
}
/// <summary>
/// Called when the UnBoundRow cell gets start edited.
/// </summary>
/// <param name="cellRowColumnIndex">Current cell Row and Column index</param>
/// <param name="cellElement">Current UnBoudnRowCell</param>
/// <param name="column">Current column of the row</param>
/// <param name="record">DataContext of the row</param>
/// <returns></returns>
public override bool BeginEdit(RowColumnIndex cellRowColumnIndex, FrameworkElement cellElement, GridColumn column, object record)
{
if (!this.HasCurrentCellState)
{
return(false);
}
if (this.SupportsRenderOptimization)
{
E cellcontent = null;
if (!UseOnlyRendererElement && cellElement == null)
{
throw new Exception("Cell Element will not be get null for any case");
}
var dataColumn = (cellElement as GridCell).ColumnBase;
GridUnBoundRowEventsArgs gridUnBoundRowEventsArgs = (cellElement as GridCell).ColumnBase.GridUnBoundRowEventsArgs;
OnUnloadUIElements(dataColumn);
// Cell content will be null for templated case always.
if (gridUnBoundRowEventsArgs != null)
{
cellcontent = gridUnBoundRowEventsArgs.hasEditTemplate ? null : CreateOrEditRecycleUIElement();
}
if (dataColumn.GridColumn != null)
{
dataColumn.GridColumn.IsInSuspend = true;
}
InitializeEditElement(dataColumn, (E)(cellcontent ?? cellElement), record);
if (dataColumn.GridColumn != null)
{
dataColumn.GridColumn.IsInSuspend = false;
}
WireEditUIElement((E)(cellcontent ?? cellElement));
if (cellcontent != null)
{
(cellElement as GridCell).Content = cellcontent;
}
OnEnteredEditMode(dataColumn, cellcontent ?? cellElement);
}
else
{
OnEnteredEditMode(null, this.CurrentCellRendererElement);
}
return(this.IsInEditing);
}
/// <summary>
/// When complete edit, we need to raise query again to provide entered value to customer.
/// </summary>
/// <param name="dataColumn">DataColumn which holds GridColumn, RowColumnIndex and GridCell </param>
/// <param name="currentRendererElement">The UIElement that was loaded in edit mdoe</param>
/// RowColumnIndex - RowColumnIndex for the Renderer Element
/// GridColumn - Column which is providing the information for Binding
protected override void OnEditingComplete(DataColumnBase dataColumn, FrameworkElement currentRendererElement)
{
if (HasCurrentCellState && IsInEditing)
{
var data = (CurrentCellRendererElement as TextBox).Text;
var args = new GridUnBoundRowEventsArgs(dataColumn.GridUnBoundRowEventsArgs.GridUnboundRow, UnBoundActions.CommitData, data, dataColumn.GridColumn, dataColumn.GridUnBoundRowEventsArgs.CellType, this.DataGrid, new RowColumnIndex(dataColumn.RowIndex, dataColumn.ColumnIndex))
{
CellTemplate = dataColumn.GridUnBoundRowEventsArgs.CellTemplate,
EditTemplate = dataColumn.GridUnBoundRowEventsArgs.EditTemplate
};
dataColumn.GridUnBoundRowEventsArgs.Value = args.Value;
DataGrid.RaiseQueryUnBoundRow(args);
}
base.OnEditingComplete(dataColumn, currentRendererElement);
}
protected override void OnEditingComplete(DataColumnBase dataColumn, FrameworkElement currentRendererElement)
{
if (HasCurrentCellState && IsInEditing)
{
var dataContextHelper = (CurrentCellRendererElement as ContentControl).Content as DataContextHelper;
if (dataContextHelper != null)
{
var args = new GridUnBoundRowEventsArgs(dataColumn.GridUnBoundRowEventsArgs.GridUnboundRow, UnBoundActions.CommitData, dataContextHelper.Value, dataColumn.GridColumn, dataColumn.GridUnBoundRowEventsArgs.CellType, this, new RowColumnIndex(dataColumn.RowIndex, dataColumn.ColumnIndex))
{
CellTemplate = dataColumn.GridUnBoundRowEventsArgs.CellTemplate,
EditTemplate = dataColumn.GridUnBoundRowEventsArgs.EditTemplate
};
dataColumn.GridUnBoundRowEventsArgs.Value = args.Value;
DataGrid.RaiseQueryUnBoundRow(args);
}
}
base.OnEditingComplete(dataColumn, currentRendererElement);
RaiseCurrentCellValueChangedEvent(DataGrid, dataColumn);
}
// which customize the UnBoundRow values.
void SfDataGrid_QueryUnBoundRow(object sender, GridUnBoundRowEventsArgs e)
{
if (!(totalSales.ContainsKey(e.Column.MappingName)))
{
return;
}
if (e.UnBoundAction == UnBoundActions.QueryData)
{
if (e.RowColumnIndex.RowIndex == 1)
{
if (e.RowColumnIndex.ColumnIndex == 0)
{
e.Value = "Total Sales By Month";
e.CellTemplate = App.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else
{
e.Value = totalSales[e.Column.MappingName];
e.CellTemplate = App.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
else if (e.GridUnboundRow.UnBoundRowIndex == 0 && e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == true)
{
if (e.RowColumnIndex.ColumnIndex == 0)
{
e.Value = "Percent of Selected Rows";
e.CellTemplate = App.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else
{
if (!(totalSelectedSales.ContainsKey(e.Column.MappingName)))
{
return;
}
e.Value = totalSelectedSales[e.Column.MappingName] * (percentSales[e.Column.MappingName] / 100);
e.CellTemplate = App.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
else if (e.GridUnboundRow.UnBoundRowIndex == 1 && e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == true)
{
if (e.RowColumnIndex.ColumnIndex == 0)
{
e.Value = "Summary of Selected Rows";
e.CellTemplate = App.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else
{
if (!(totalSelectedSales.ContainsKey(e.Column.MappingName)))
{
return;
}
e.Value = totalSelectedSales[e.Column.MappingName];
e.CellTemplate = App.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
else if (e.GridUnboundRow.UnBoundRowIndex == 2 && e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == true)
{
int count = this.SfDataGrid.SelectedItems.Count;
if (e.RowColumnIndex.ColumnIndex == 0)
{
e.Value = "Average of Selected Rows";
e.CellTemplate = App.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else
{
if (!(totalSelectedSales.ContainsKey(e.Column.MappingName)))
{
return;
}
e.Value = (totalSelectedSales[e.Column.MappingName] / count);
e.Value = double.IsNaN((double)e.Value) ? 0.0 : e.Value;
e.CellTemplate = App.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
if (e.RowColumnIndex.ColumnIndex > 7)
{
e.CellTemplate = null;
}
}
}
else if (e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == false)
{
if (e.RowColumnIndex.ColumnIndex == 0)
{
e.Value = "Edit the Row to get the Percent of Selected Rows Summary";
}
else
{
e.Value = percentSales[e.Column.MappingName];
e.EditTemplate = App.Current.Resources["UnBoundRowEditTemplate"] as DataTemplate;
e.CellTemplate = App.Current.Resources["UnBoundRowCellPercentTemplate"] as DataTemplate;
}
}
e.Handled = true;
}
else if (e.UnBoundAction == UnBoundActions.CommitData)
{
if (e.Value.ToString().Equals(string.Empty))
{
return;
}
double data;
foreach (char character in e.Value.ToString().ToCharArray())
{
if (char.IsLetter(character))
{
return;
}
}
if (e.Value.ToString().Contains("$"))
{
data = Convert.ToDouble(e.Value.ToString().Substring(1, e.Value.ToString().Length - 1));
}
else
{
data = Convert.ToDouble(e.Value);
}
var value = Convert.ToDouble(data);
percentSales[e.Column.MappingName] = value;
e.CellTemplate = App.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
// which customize the UnBoundRow values.
void SfDataGrid_QueryUnBoundRow(object sender, GridUnBoundRowEventsArgs e) {
if (!(totalSales.ContainsKey(e.Column.MappingName)))
return;
if (e.UnBoundAction == UnBoundActions.QueryData) {
if (e.RowColumnIndex.RowIndex == 1) {
if (e.RowColumnIndex.ColumnIndex == 0) {
e.Value = "Total Sales By Month";
e.CellTemplate = Application.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else {
e.Value = totalSales[e.Column.MappingName];
e.CellTemplate = Application.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
else if (e.GridUnboundRow.UnBoundRowIndex == 0 && e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == true) {
if (e.RowColumnIndex.ColumnIndex == 0) {
e.Value = "Percent of Selected Rows";
e.CellTemplate = Application.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else {
if (!(totalSelectedSales.ContainsKey(e.Column.MappingName)))
return;
e.Value = totalSelectedSales[e.Column.MappingName] * (percentSales[e.Column.MappingName] / 100);
e.CellTemplate = Application.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
else if (e.GridUnboundRow.UnBoundRowIndex == 1 && e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == true) {
if (e.RowColumnIndex.ColumnIndex == 0) {
e.Value = "Summary of Selected Rows";
e.CellTemplate = Application.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else {
if (!(totalSelectedSales.ContainsKey(e.Column.MappingName)))
return;
e.Value = totalSelectedSales[e.Column.MappingName];
e.CellTemplate = Application.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
else if (e.GridUnboundRow.UnBoundRowIndex == 2 && e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == true) {
int count = this.SfDataGrid.SelectedItems.Count;
if (e.RowColumnIndex.ColumnIndex == 0) {
e.Value = "Average of Selected Rows";
e.CellTemplate = Application.Current.Resources["UnBoundCellTemplate"] as DataTemplate;
}
else {
if (!(totalSelectedSales.ContainsKey(e.Column.MappingName)))
return;
// rjl - just to get by divide by zero
count = count == 0 ? 1 : count;
e.Value = (totalSelectedSales[e.Column.MappingName] / count);
e.Value = double.IsNaN(Convert.ToDouble(e.Value)) ? 0.0 : e.Value;
e.CellTemplate = Application.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
if (e.RowColumnIndex.ColumnIndex > 7)
e.CellTemplate = null;
}
}
else if (e.GridUnboundRow.Position == UnBoundRowsPosition.Bottom && e.GridUnboundRow.ShowBelowSummary == false) {
if (e.RowColumnIndex.ColumnIndex == 0) {
e.Value = "Edit the Row to get the Percent of Selected Rows Summary";
}
else {
e.Value = percentSales[e.Column.MappingName];
e.EditTemplate = Application.Current.Resources["UnBoundRowEditTemplate"] as DataTemplate;
e.CellTemplate = Application.Current.Resources["UnBoundRowCellPercentTemplate"] as DataTemplate;
}
}
e.Handled = true;
}
else if (e.UnBoundAction == UnBoundActions.CommitData) {
if (e.Value.ToString().Equals(string.Empty))
return;
double data;
foreach (char character in e.Value.ToString().ToCharArray())
if (char.IsLetter(character))
return;
if (e.Value.ToString().Contains("$"))
data = Convert.ToDouble(e.Value.ToString().Substring(1, e.Value.ToString().Length - 1));
else
data = Convert.ToDouble(e.Value);
var value = Convert.ToDouble(data);
percentSales[e.Column.MappingName] = Convert.ToDecimal(value);
e.CellTemplate = Application.Current.Resources["UnBoundRowCellTemplate"] as DataTemplate;
}
}
