/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
PactComboBox PactComboBox = new PactComboBox();
ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, PactComboBox);
ApplyColumnProperties(PactComboBox);
return(PactComboBox);
}
private void ApplyColumnProperties(PactComboBox comboBox)
{
ApplyBinding(SelectedItemBinding, comboBox, PactComboBox.SelectedItemProperty);
ApplyBinding(SelectedValueBinding, comboBox, PactComboBox.SelectedValueProperty);
ApplyBinding(TextBinding, comboBox, PactComboBox.TextProperty);
DataGridHelper.SyncColumnProperty(this, comboBox, PactComboBox.SelectedValuePathProperty, SelectedValuePathProperty);
DataGridHelper.SyncColumnProperty(this, comboBox, PactComboBox.DisplayMemberPathProperty, DisplayMemberPathProperty);
DataGridHelper.SyncColumnProperty(this, comboBox, PactComboBox.ItemsSourceProperty, ItemsSourceProperty);
}
/// <summary>
/// Called when a cell's value is to be cancelled, just before it exits edit mode.
/// </summary>
/// <param name="editingElement">A reference to element returned by GenerateEditingElement.</param>
/// <param name="uneditedValue">UneditedValue</param>
protected override void CancelCellEdit(FrameworkElement editingElement, object uneditedValue)
{
PactComboBox textBox = editingElement as PactComboBox;
if (textBox != null)
{
DataGridHelper.UpdateTarget(textBox, PactComboBox.TextProperty);
DataGridHelper.UpdateTarget(textBox, PactComboBox.SelectedValueProperty);
}
}
protected internal override void RefreshCellContent(FrameworkElement element, string propertyName)
{
DataGridCell cell = element as DataGridCell;
if (cell != null)
{
bool isCellEditing = cell.IsEditing;
if ((string.Compare(propertyName, "ElementStyle", StringComparison.Ordinal) == 0 && !isCellEditing) ||
(string.Compare(propertyName, "EditingElementStyle", StringComparison.Ordinal) == 0 && isCellEditing))
{
cell.BuildVisualTree();
}
else
{
PactComboBox PactComboBox = cell.Content as PactComboBox;
switch (propertyName)
{
case "SelectedItemBinding":
ApplyBinding(SelectedItemBinding, PactComboBox, PactComboBox.SelectedItemProperty);
break;
case "SelectedValueBinding":
ApplyBinding(SelectedValueBinding, PactComboBox, PactComboBox.SelectedValueProperty);
break;
case "TextBinding":
ApplyBinding(TextBinding, PactComboBox, PactComboBox.TextProperty);
break;
case "SelectedValuePath":
DataGridHelper.SyncColumnProperty(this, PactComboBox, PactComboBox.SelectedValuePathProperty, SelectedValuePathProperty);
break;
case "DisplayMemberPath":
DataGridHelper.SyncColumnProperty(this, PactComboBox, PactComboBox.DisplayMemberPathProperty, DisplayMemberPathProperty);
break;
case "ItemsSource":
DataGridHelper.SyncColumnProperty(this, PactComboBox, PactComboBox.ItemsSourceProperty, ItemsSourceProperty);
break;
default:
base.RefreshCellContent(element, propertyName);
break;
}
}
}
else
{
base.RefreshCellContent(element, propertyName);
}
}
/// <summary>
/// Called when a cell's value is to be committed, just before it exits edit mode.
/// </summary>
/// <param name="editingElement">A reference to element returned by GenerateEditingElement.</param>
/// <returns>false if there is a validation error. true otherwise.</returns>
protected override bool CommitCellEdit(FrameworkElement editingElement)
{
PactComboBox textBox = editingElement as PactComboBox;
if (textBox != null)
{
DataGridHelper.UpdateSource(textBox, PactComboBox.TextProperty);
DataGridHelper.UpdateSource(textBox, PactComboBox.SelectedValueProperty);
return(!Validation.GetHasError(textBox));
}
return(true);
}
/// <summary>
/// Called when a cell has just switched to edit mode.
/// </summary>
/// <param name="editingElement">A reference to element returned by GenerateEditingElement.</param>
/// <param name="editingEventArgs">The event args of the input event that caused the cell to go into edit mode. May be null.</param>
/// <returns>The unedited value of the cell.</returns>
protected override object PrepareCellForEdit(FrameworkElement editingElement, RoutedEventArgs editingEventArgs)
{
//PactComboBoxData CMB = new PactComboBoxData()
//{
// IsPartiralData = IsPartiralData,
// FeatureID = FeatureID,
// CompanyIndex = Convert.ToInt32(CompanyIndex),
// Label = strLable,
// Mandatory = IsMandatory,
// DataType = DataType,
// DBColumnName = ColumnName,
// Enable = IsReadOnly,
//};
PactComboBox textBox = editingElement as PactComboBox;
if (textBox != null)
{
textBox.Focus();
string originalValue = textBox.Text;
TextCompositionEventArgs textArgs = editingEventArgs as TextCompositionEventArgs;
//if (textArgs != null)
//{
// // If text input started the edit, then replace the text with what was typed.
// string inputText = textArgs.Text;
// textBox.Text = inputText;
// // Place the caret after the end of the text.
// textBox.Select(inputText.Length, 0);
//}
//else
//{
// // If a mouse click started the edit, then place the caret under the mouse.
// MouseButtonEventArgs mouseArgs = editingEventArgs as MouseButtonEventArgs;
// if ((mouseArgs == null) || !PlaceCaretOnTextBox(textBox, Mouse.GetPosition(textBox)))
// {
// // If the mouse isn't over the textbox or something else started the edit, then select the text.
// textBox.SelectAll();
// }
//}
return(originalValue);
}
return(null);
}
/// <summary>
/// Helper method which returns selection value from
/// PactComboBox based on which Binding's were set.
/// </summary>
/// <param name="PactComboBox"></param>
/// <returns></returns>
private object GetPactComboBoxSelectionValue(PactComboBox PactComboBox)
{
if (SelectedItemBinding != null)
{
return(PactComboBox.SelectedItem);
}
else if (SelectedValueBinding != null)
{
return(PactComboBox.SelectedValue);
}
else
{
return(PactComboBox.Text);
}
}
/// <summary>
/// Called when a cell has just switched to edit mode.
/// </summary>
/// <param name="editingElement">A reference to element returned by GenerateEditingElement.</param>
/// <param name="editingEventArgs">The event args of the input event that caused the cell to go into edit mode. May be null.</param>
/// <returns>The unedited value of the cell.</returns>
protected override object PrepareCellForEdit(FrameworkElement editingElement, RoutedEventArgs editingEventArgs)
{
PactComboBox PactComboBox = editingElement as PactComboBox;
if (PactComboBox != null)
{
PactComboBox.Focus();
object originalValue = GetPactComboBoxSelectionValue(PactComboBox);
if (IsPactComboBoxOpeningInputEvent(editingEventArgs))
{
PactComboBox.IsDropDownOpen = true;
}
return(originalValue);
}
return(null);
}
PactComboBox pcb = null;//= new PactComboBox() { FeatureID=1 };
/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
//if (pcb == null)
pcb = new PactComboBox()
{
FeatureID = this.FeatureID
};
// SyncProperties(pcb);
//ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, textBox);
ApplyBinding(pcb, PactComboBox.TextProperty);
DataGridComboBoxColumn.ApplyBinding(SelectedValueBinding, pcb, PactComboBox.SelectedValueProperty);
pcb.SelectedValue = ((System.Data.DataRowView)(cell.RowDataItem)).Row[((System.Windows.Data.Binding)(SelectedValueBinding)).Path.Path].ToString();
if (pcb.SelectedValue.ToString().Length == 0)
{
pcb.SelectedValue = null;
}
return(pcb);
}
/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
PactComboBox textBlock = new PactComboBox();
textBlock.FeatureID = 1;
// TextBlock textBlock = new TextBlock();
SyncProperties(textBlock);
//ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, textBlock);
ApplyBinding(textBlock, PactComboBox.TextProperty);
return(textBlock);
//TextBox textBox = new TextBox();
//SyncProperties(textBox);
//ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, textBox);
//ApplyBinding(textBox, TextBox.TextProperty);
//return textBox;
}
/// <summary>
/// Called when a cell has just switched to edit mode.
/// </summary>
/// <param name="editingElement">A reference to element returned by GenerateEditingElement.</param>
/// <param name="editingEventArgs">The event args of the input event that caused the cell to go into edit mode. May be null.</param>
/// <returns>The unedited value of the cell.</returns>
protected override object PrepareCellForEdit(FrameworkElement editingElement, RoutedEventArgs editingEventArgs)
{
PactComboBox textBox = editingElement as PactComboBox;
if (textBox != null)
{
textBox.Focus();
string originalValue = textBox.Text;
//TextCompositionEventArgs textArgs = editingEventArgs as TextCompositionEventArgs;
//if (textArgs != null)
//{
// // If text input started the edit, then replace the text with what was typed.
// string inputText = textArgs.Text;
// textBox.Text = inputText;
// // Place the caret after the end of the text.
// textBox.Select(inputText.Length, 0);
//}
//else
//{
// // If a mouse click started the edit, then place the caret under the mouse.
// MouseButtonEventArgs mouseArgs = editingEventArgs as MouseButtonEventArgs;
// if ((mouseArgs == null) || !PlaceCaretOnTextBox(textBox, Mouse.GetPosition(textBox)))
// {
// // If the mouse isn't over the textbox or something else started the edit, then select the text.
// textBox.SelectAll();
// }
//}
return(originalValue);
}
return(null);
}
/// <summary>
/// Helper method which returns selection value from
/// PactComboBox based on which Binding's were set.
/// </summary>
/// <param name="PactComboBox"></param>
/// <returns></returns>
private object GetPactComboBoxSelectionValue(PactComboBox PactComboBox)
{
if (SelectedItemBinding != null)
{
return PactComboBox.SelectedItem;
}
else if (SelectedValueBinding != null)
{
return PactComboBox.SelectedValue;
}
else
{
return PactComboBox.Text;
}
}
private void ApplyColumnProperties(PactComboBox PactComboBox)
{
ApplyBinding(SelectedItemBinding, PactComboBox, PactComboBox.SelectedItemProperty);
ApplyBinding(SelectedValueBinding, PactComboBox, PactComboBox.SelectedValueProperty);
ApplyBinding(TextBinding, PactComboBox, PactComboBox.TextProperty);
DataGridHelper.SyncColumnProperty(this, PactComboBox, PactComboBox.SelectedValuePathProperty, SelectedValuePathProperty);
DataGridHelper.SyncColumnProperty(this, PactComboBox, PactComboBox.DisplayMemberPathProperty, DisplayMemberPathProperty);
DataGridHelper.SyncColumnProperty(this, PactComboBox, PactComboBox.ItemsSourceProperty, ItemsSourceProperty);
}
/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
PactComboBox PactComboBox = new PactComboBox();
ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, PactComboBox);
ApplyColumnProperties(PactComboBox);
return PactComboBox;
}
/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
//if (pcb == null)
pcb = new PactComboBox() { FeatureID = this.FeatureID };
// SyncProperties(pcb);
//ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, textBox);
ApplyBinding(pcb, PactComboBox.TextProperty);
DataGridComboBoxColumn.ApplyBinding(SelectedValueBinding, pcb, PactComboBox.SelectedValueProperty);
pcb.SelectedValue = ((System.Data.DataRowView)(cell.RowDataItem)).Row[((System.Windows.Data.Binding)(SelectedValueBinding)).Path.Path].ToString();
if (pcb.SelectedValue.ToString().Length == 0)
pcb.SelectedValue = null;
return pcb;
}
/// <summary>
/// Creates the visual tree for text based cells.
/// </summary>
protected override FrameworkElement GenerateEditingElement(DataGridCell cell, object dataItem)
{
PactComboBox textBlock = new PactComboBox();
textBlock.FeatureID = 1;
// TextBlock textBlock = new TextBlock();
SyncProperties(textBlock);
//ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, textBlock);
ApplyBinding(textBlock, PactComboBox.TextProperty);
return textBlock;
//TextBox textBox = new TextBox();
//SyncProperties(textBox);
//ApplyStyle(/* isEditing = */ true, /* defaultToElementStyle = */ false, textBox);
//ApplyBinding(textBox, TextBox.TextProperty);
//return textBox;
}