Ejemplo n.º 1
0
        /// <override></override>
        public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
        {
            if (provider != null)
            {
#if DEBUG
                if (!(context.PropertyDescriptor is PropertyDescriptorDg))
                {
                    System.Diagnostics.Debug.Print("### The given PropertyDescriptor for {0} is not of type {1}.", value, typeof(PropertyDescriptorDg).Name);
                }
                else
                {
                    System.Diagnostics.Debug.Print("### PropertyDescriptor is of type {1}.", value, typeof(PropertyDescriptorDg).Name);
                }
#endif

                IWindowsFormsEditorService editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
                if (editorService != null)
                {
                    // fetch current Design (if changed)
                    if (designBuffer != null && designBuffer != design)
                    {
                        design = designBuffer;
                    }

                    // Examine edited instances and determine whether the list item "Default Style" should be displayed.
                    bool showItemDefaultStyle = false;
                    bool showItemOpenEditor   = false;
                    if (context.Instance is Shape)
                    {
                        showItemDefaultStyle = ((Shape)context.Instance).Template != null;
                        showItemOpenEditor   = project.SecurityManager.IsGranted(Permission.Designs);
                    }
                    else if (context.Instance is ICapStyle)
                    {
                        showItemDefaultStyle = true;
                    }
                    else if (context.Instance is object[])
                    {
                        object[] objArr = (object[])context.Instance;
                        int      cnt    = objArr.Length;
                        showItemDefaultStyle = true;
                        showItemOpenEditor   = project.SecurityManager.IsGranted(Permission.Designs);
                        foreach (object obj in objArr)
                        {
                            Shape shape = obj as Shape;
                            if (shape == null || shape.Template == null)
                            {
                                showItemDefaultStyle = false;
                                showItemOpenEditor   = false;
                                break;
                            }
                        }
                    }

                    StyleListBox styleListBox = null;
                    try {
                        Type styleType = null;
                        if (value == null)
                        {
                            if (context.PropertyDescriptor.PropertyType == typeof(ICapStyle))
                            {
                                styleType = typeof(CapStyle);
                            }
                            else if (context.PropertyDescriptor.PropertyType == typeof(IColorStyle))
                            {
                                styleType = typeof(ColorStyle);
                            }
                            else if (context.PropertyDescriptor.PropertyType == typeof(IFillStyle))
                            {
                                styleType = typeof(FillStyle);
                            }
                            else if (context.PropertyDescriptor.PropertyType == typeof(ICharacterStyle))
                            {
                                styleType = typeof(CharacterStyle);
                            }
                            else if (context.PropertyDescriptor.PropertyType == typeof(ILineStyle))
                            {
                                styleType = typeof(LineStyle);
                            }
                            else if (context.PropertyDescriptor.PropertyType == typeof(IParagraphStyle))
                            {
                                styleType = typeof(ParagraphStyle);
                            }
                            else
                            {
                                throw new NShapeUnsupportedValueException(context.PropertyDescriptor.PropertyType);
                            }

                            if (project != null)
                            {
                                styleListBox = new StyleListBox(editorService, project, design, styleType, showItemDefaultStyle, showItemOpenEditor);
                            }
                            else
                            {
                                styleListBox = new StyleListBox(editorService, design, styleType, showItemDefaultStyle, showItemOpenEditor);
                            }
                        }
                        else
                        {
                            if (project != null)
                            {
                                styleListBox = new StyleListBox(editorService, project, design, value as Style, showItemDefaultStyle, showItemOpenEditor);
                            }
                            else
                            {
                                styleListBox = new StyleListBox(editorService, design, value as Style, showItemDefaultStyle, showItemOpenEditor);
                            }
                        }

                        editorService.DropDownControl(styleListBox);
                        if (styleListBox.SelectedItem is IStyle)
                        {
                            value = styleListBox.SelectedItem;
                        }
                        else
                        {
                            value = null;
                        }
                    } finally {
                        if (styleListBox != null)
                        {
                            styleListBox.Dispose();
                        }
                        styleListBox = null;
                    }
                }
            }
            return(value);
        }
Ejemplo n.º 2
0
		/// <override></override>
		public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value) {
			if (provider != null) {
#if DEBUG
				if (!(context.PropertyDescriptor is PropertyDescriptorDg))
					System.Diagnostics.Debug.Print("### The given PropertyDescriptor for {0} is not of type {1}.", value, typeof(PropertyDescriptorDg).Name);
				else System.Diagnostics.Debug.Print("### PropertyDescriptor is of type {1}.", value, typeof(PropertyDescriptorDg).Name);
#endif

				IWindowsFormsEditorService editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
				if (editorService != null) {
					// fetch current Design (if changed)
					if (designBuffer != null && designBuffer != design)
						design = designBuffer;

					// Examine edited instances and determine whether the list item "Default Style" should be displayed.
					bool showItemDefaultStyle = false;
					bool showItemOpenEditor = false;
					if (context.Instance is Shape) {
						showItemDefaultStyle = ((Shape)context.Instance).Template != null;
						showItemOpenEditor = project.SecurityManager.IsGranted(Permission.Designs);
					} else if (context.Instance is object[]) {
						object[] objArr = (object[])context.Instance;
						int cnt = objArr.Length;
						showItemDefaultStyle = true;
						showItemOpenEditor = project.SecurityManager.IsGranted(Permission.Designs);
						for (int i = 0; i < cnt; ++i) {
							Shape shape = objArr[i] as Shape;
							if (shape == null || shape.Template == null) {
								showItemDefaultStyle = false;
								showItemOpenEditor = false;
								break;
							}
						}
					}

					StyleListBox styleListBox = null;
					try {
						Type styleType = null;
						if (value == null) {
							if (context.PropertyDescriptor.PropertyType == typeof(ICapStyle))
								styleType = typeof(CapStyle);
							else if (context.PropertyDescriptor.PropertyType == typeof(IColorStyle))
								styleType = typeof(ColorStyle);
							else if (context.PropertyDescriptor.PropertyType == typeof(IFillStyle))
								styleType = typeof(FillStyle);
							else if (context.PropertyDescriptor.PropertyType == typeof(ICharacterStyle))
								styleType = typeof(CharacterStyle);
							else if (context.PropertyDescriptor.PropertyType == typeof(ILineStyle))
								styleType = typeof(LineStyle);
							else if (context.PropertyDescriptor.PropertyType == typeof(IParagraphStyle))
								styleType = typeof(ParagraphStyle);
							else throw new NShapeUnsupportedValueException(context.PropertyDescriptor.PropertyType);

							if (project != null)
								styleListBox = new StyleListBox(editorService, project, design, styleType, showItemDefaultStyle, showItemOpenEditor);
							else styleListBox = new StyleListBox(editorService, design, styleType, showItemDefaultStyle, showItemOpenEditor);
						} else {
							if (project != null)
								styleListBox = new StyleListBox(editorService, project, design, value as Style, showItemDefaultStyle, showItemOpenEditor);
							else styleListBox = new StyleListBox(editorService, design, value as Style, showItemDefaultStyle, showItemOpenEditor);
						}

						editorService.DropDownControl(styleListBox);
						if (styleListBox.SelectedItem is IStyle)
							value = styleListBox.SelectedItem;
						else value = null;
					} finally {
						if (styleListBox != null) styleListBox.Dispose();
						styleListBox = null;
					}
				}
			}
			return value;
		}