這是telerik給我的:
使用默認的MergeFields,不可能更改字段的顯示名稱片段以實現更友好的外觀。如果通過派生自MergeField類實現自定義MergeField,這應該是可能的。下面是一個示例實現,它展示瞭如何可以做到這一點:
public class CustomMergeField : MergeField
{
private const string CustomFieldName = "CustomField";
static CustomMergeField()
{
CodeBasedFieldFactory.RegisterFieldType(CustomMergeField.CustomFieldName,() => { return new CustomMergeField(); });
}
public override string FieldTypeName
{
get
{
return CustomMergeField.CustomFieldName;
}
}
public override Field CreateInstance()
{
return new CustomMergeField();
}
protected override DocumentFragment GetDisplayNameFragment()
{
return base.CreateFragmentFromText(string.Format(Field.DisplayNameFragmentFormat, this.GetFriendlyFieldName(this.PropertyPath)));
}
private string GetFriendlyFieldName(string fieldName)
{
int lettersInEnglishAlphabet = 26;
List<char> separators = new List<char>(lettersInEnglishAlphabet);
for (int i = 0; i < lettersInEnglishAlphabet; i++)
{
separators.Add((char)('A' + i));
}
StringBuilder newFieldName = new StringBuilder();
int previousIndex = 0;
for (int i = 1; i < fieldName.Length; i++)
{
if (separators.Contains(fieldName[i]))
{
if (previousIndex > 0)
{
newFieldName.Append(" ");
}
newFieldName.Append(fieldName.Substring(previousIndex, i - previousIndex));
previousIndex = i;
}
}
newFieldName.Append(" " + fieldName.Substring(previousIndex));
return newFieldName.ToString();
}
}
注意,當DISPLAYMODE是代碼不能改變所顯示的片段。
至於您的其他問題,您可以更改下拉按鈕的內容以顯示字段的友好名稱,並按以下方式包含滾動條: 1.首先,將按鈕的綁定移除從XAML的InsertMergeFieldEmptyCommand並給它一個名字(例如insertMergeField)。 2.然後,添加以下代碼在代碼隱藏:
AddMergeFieldsInDropDownContent(this.insertMergeFieldButton);
private void AddMergeFieldsInDropDownContent(RadRibbonDropDownButton radRibbonDropDownButton)
{ 電網格=新的Grid(); (new RowDefinition(){Height = new GridLength(100,GridUnitType.Pixel)});
ScrollViewer scrollViewer = new ScrollViewer();
scrollViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
StackPanel stackPanel = new StackPanel();
foreach (string fieldName in this.editor.Document.MailMergeDataSource.GetColumnNames())
{
RadRibbonButton fieldButton = new RadRibbonButton()
{
Text = this.GetFriendlyFieldName(fieldName),
Size = ButtonSize.Medium,
HorizontalAlignment = HorizontalAlignment.Stretch,
HorizontalContentAlignment = HorizontalAlignment.Left
};
fieldButton.Command = this.editor.Commands.InsertFieldCommand;
fieldButton.CommandParameter = new MergeField() { PropertyPath = fieldName };
//or
//fieldButton.CommandParameter = new CustomMergeField() { PropertyPath = fieldName };
stackPanel.Children.Add(fieldButton);
}
stackPanel.HorizontalAlignment = System.Windows.HorizontalAlignment.Stretch;
scrollViewer.Content = stackPanel;
grid.Children.Add(scrollViewer);
radRibbonDropDownButton.DropDownContent = grid;
}
您當然可以優化GetFriendlyName方法的代碼,並以兩種類都可用的方式添加它。