DBTool for Oracle - Part 1

namespace System.Windows.Controls.WpfPropertyGrid
{
  /// <summary>
  /// A base class for all value editors.
  /// </summary>
  public abstract class Editor : DependencyObject
  {
    private static readonly Type ThisType = typeof(Editor);
    /// <summary>
    /// Identifies the <see cref="InlineTemplate"/> property. This is a dependency property.
    /// </summary>
    public static readonly DependencyProperty InlineTemplateProperty =
      DependencyProperty.Register("InlineTemplate", typeof(object), ThisType, new PropertyMetadata(null), ValidateTemplateValue);

    /// <summary>
    /// Gets or sets the inline template. Can be either DataTemplate or ComponentResourceKey object.
    /// </summary>
    /// <value>The inline template.</value>
    public object InlineTemplate
    {
      get { return GetValue(InlineTemplateProperty); }
      set { SetValue(InlineTemplateProperty, value); }
    }
                
    /// <summary>
    /// Identifies the <see cref="ExtendedTemplate"/> property. This is a dependency property.
    /// </summary>
    public static readonly DependencyProperty ExtendedTemplateProperty =
      DependencyProperty.Register("ExtendedTemplate", typeof(object), ThisType, new PropertyMetadata(null), ValidateTemplateValue);

    /// <summary>
    /// Gets or sets the extended template. Can be either DataTemplate or ComponentResourceKey object.
    /// </summary>
    /// <value>The extended template.</value>
    public object ExtendedTemplate
    {
      get { return GetValue(ExtendedTemplateProperty); }
      set { SetValue(ExtendedTemplateProperty, value); }
    }
                
    /// <summary>
    /// Idenfities the <see cref="DialogTemplate"/>. This is a dependency property.
    /// </summary>
    public static readonly DependencyProperty DialogTemplateProperty =
      DependencyProperty.Register("DialogTemplate", typeof(object), ThisType, new PropertyMetadata(null), ValidateTemplateValue);

    /// <summary>
    /// Gets or sets the dialog template.
    /// </summary>
    /// <value>The dialog template.</value>
    public object DialogTemplate
    {
      get { return GetValue(DialogTemplateProperty); }
      set { SetValue(DialogTemplateProperty, value); }
    }

    private static bool ValidateTemplateValue(object value)
    {
      if (value == null) return true;
      if (value is DataTemplate || value is ComponentResourceKey) return true;
      return false;
    }

    /// <summary>
    /// Shows the dialog for editing property value.
    /// </summary>
    /// <param name="propertyValue">The property value.</param>
    /// <param name="commandSource">The command source.</param>
    public virtual void ShowDialog(PropertyItemValue propertyValue, IInputElement commandSource)
    {
    }
  }
}