Inheritance: PropertyDescriptor
Esempio n. 1
0
        protected virtual void GeneratePropertySet(GeneratorContext ctx, CodeExpression var, PropertyDescriptor prop)
        {
            object oval = prop.GetValue(Wrapped);

            if (oval == null || (prop.HasDefault && prop.IsDefaultValue(oval)))
            {
                return;
            }

            CodeExpression val = ctx.GenerateValue(oval, prop.RuntimePropertyType, prop.Translatable && prop.IsTranslated(Wrapped));
            CodeExpression cprop;

            TypedPropertyDescriptor tprop = prop as TypedPropertyDescriptor;

            if (tprop == null || tprop.GladeProperty == prop)
            {
                cprop = new CodePropertyReferenceExpression(var, prop.Name);
            }
            else
            {
                cprop = new CodePropertyReferenceExpression(var, tprop.GladeProperty.Name);
                cprop = new CodePropertyReferenceExpression(cprop, prop.Name);
            }
            ctx.Statements.Add(new CodeAssignStatement(cprop, val));
        }
Esempio n. 2
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        static public void GetProps(ObjectWrapper wrapper, XmlElement parent_elem)
        {
            ClassDescriptor klass = wrapper.ClassDescriptor;

            foreach (ItemGroup group in klass.ItemGroups)
            {
                foreach (ItemDescriptor item in group)
                {
                    TypedPropertyDescriptor prop = item as TypedPropertyDescriptor;
                    if (prop == null)
                    {
                        continue;
                    }
                    prop = prop.GladeProperty;
                    if (prop.GladeName == null)
                    {
                        continue;
                    }
                    if (!prop.VisibleFor(wrapper.Wrapped))
                    {
                        continue;
                    }

                    string val = PropToString(wrapper, prop);
                    if (val == null)
                    {
                        continue;
                    }

                    XmlElement prop_elem = parent_elem.OwnerDocument.CreateElement("property");
                    prop_elem.SetAttribute("name", prop.GladeName);
                    if (val.Length > 0)
                    {
                        prop_elem.InnerText = val;
                    }

                    if (prop.Translatable && prop.IsTranslated(wrapper.Wrapped))
                    {
                        prop_elem.SetAttribute("translatable", "yes");
                        if (prop.TranslationContext(wrapper.Wrapped) != null)
                        {
                            prop_elem.SetAttribute("context", "yes");
                            prop_elem.InnerText = prop.TranslationContext(wrapper.Wrapped) + "|" + prop_elem.InnerText;
                        }
                        if (prop.TranslationComment(wrapper.Wrapped) != null)
                        {
                            prop_elem.SetAttribute("comments", prop.TranslationComment(wrapper.Wrapped));
                        }
                    }

                    parent_elem.AppendChild(prop_elem);
                }
            }
        }
Esempio n. 3
0
 static void SetProperties(TypedClassDescriptor klass, Gtk.Widget widget, string[] propNames, GLib.Value[] propVals)
 {
     for (int n = 0; n < propNames.Length; n++)
     {
         foreach (ItemGroup grp in klass.ItemGroups)
         {
             foreach (ItemDescriptor it in grp)
             {
                 if (it is TypedPropertyDescriptor)
                 {
                     TypedPropertyDescriptor prop = (TypedPropertyDescriptor)it;
                     if (prop.GladeName == propNames[n])
                     {
                         prop.SetValue(widget, propVals[n].Val);
                     }
                 }
             }
         }
     }
 }
        internal void LoadDefaultValues()
        {
            // This is a hack because there is no managed way of getting
            // the default value of a GObject property.
            // This method creates an dummy instance of this class and
            // gets the values for their properties. Those values are
            // considered the default

            if (defaultValuesLoaded)
            {
                return;
            }
            defaultValuesLoaded = true;

            object ob = NewInstance(null, false);

            foreach (ItemGroup group in ItemGroups)
            {
                foreach (ItemDescriptor item in group)
                {
                    TypedPropertyDescriptor prop = item as TypedPropertyDescriptor;
                    if (prop == null)
                    {
                        continue;
                    }

                    if (!prop.HasDefault)
                    {
                        prop.SetDefault(null);
                    }
                    else
                    {
                        object val = prop.GetValue(ob);
                        prop.SetDefault(val);
                    }
                }
            }
            ObjectWrapper ww = ObjectWrapper.Lookup(ob);

            ww.Dispose();
        }
Esempio n. 5
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        static void ExtractProperties(TypedClassDescriptor klass, XmlElement elem,
                                      out Hashtable rawProps, out Hashtable overrideProps)
        {
            rawProps      = new Hashtable();
            overrideProps = new Hashtable();
            foreach (ItemGroup group in klass.ItemGroups)
            {
                foreach (ItemDescriptor item in group)
                {
                    TypedPropertyDescriptor prop = item as TypedPropertyDescriptor;
                    if (prop == null)
                    {
                        continue;
                    }
                    prop = prop.GladeProperty;
                    if (prop.GladeName == null)
                    {
                        continue;
                    }

                    XmlNode prop_node = elem.SelectSingleNode("property[@name='" + prop.GladeName + "']");
                    if (prop_node == null)
                    {
                        continue;
                    }

                    if (prop.GladeOverride)
                    {
                        overrideProps[prop] = prop_node;
                    }
                    else
                    {
                        rawProps[prop] = prop_node;
                    }
                }
            }
        }
Esempio n. 6
0
        static string PropToString(ObjectWrapper wrapper, TypedPropertyDescriptor prop)
        {
            object value;

            if (!prop.GladeOverride)
            {
                Stetic.Wrapper.Container.ContainerChild ccwrap = wrapper as Stetic.Wrapper.Container.ContainerChild;
                GLib.Value gval;

                if (ccwrap != null)
                {
                    Gtk.Container.ContainerChild cc = (Gtk.Container.ContainerChild)ccwrap.Wrapped;
                    gval = new GLib.Value((GLib.GType)prop.PropertyType);
                    gtk_container_child_get_property(cc.Parent.Handle, cc.Child.Handle, prop.GladeName, ref gval);
                }
                else
                {
                    Gtk.Widget widget = wrapper.Wrapped as Gtk.Widget;
                    gval = new GLib.Value(widget, prop.GladeName);
                    g_object_get_property(widget.Handle, prop.GladeName, ref gval);
                }
                value = gval.Val;
            }
            else
            {
                value = prop.GetValue(wrapper.Wrapped);
            }
            if (value == null)
            {
                return(null);
            }

            // If the property has its default value, we don't need to write it
            if (prop.HasDefault && prop.ParamSpec.IsDefaultValue(value))
            {
                return(null);
            }

            if (value is Gtk.Adjustment)
            {
                Gtk.Adjustment adj = value as Gtk.Adjustment;
                return(String.Format("{0:G} {1:G} {2:G} {3:G} {4:G} {5:G}",
                                     adj.Value, adj.Lower, adj.Upper,
                                     adj.StepIncrement, adj.PageIncrement,
                                     adj.PageSize));
            }
            else if (value is Enum && prop.ParamSpec != null)
            {
                IntPtr klass = g_type_class_ref(((GLib.GType)prop.PropertyType).Val);

                if (prop.PropertyType.IsDefined(typeof(FlagsAttribute), false))
                {
                    System.Text.StringBuilder sb = new System.Text.StringBuilder();
                    uint val = (uint)System.Convert.ChangeType(value, typeof(uint));

                    while (val != 0)
                    {
                        IntPtr flags_value = g_flags_get_first_value(klass, val);
                        if (flags_value == IntPtr.Zero)
                        {
                            break;
                        }
                        IntPtr fval = Marshal.ReadIntPtr(flags_value);
                        val &= ~(uint)fval;

                        IntPtr name = Marshal.ReadIntPtr(flags_value, Marshal.SizeOf(typeof(IntPtr)));
                        if (name != IntPtr.Zero)
                        {
                            if (sb.Length != 0)
                            {
                                sb.Append('|');
                            }
                            sb.Append(GLib.Marshaller.Utf8PtrToString(name));
                        }
                    }

                    g_type_class_unref(klass);
                    return(sb.ToString());
                }
                else
                {
                    int    val        = (int)System.Convert.ChangeType(value, typeof(int));
                    IntPtr enum_value = g_enum_get_value(klass, val);
                    g_type_class_unref(klass);

                    IntPtr name = Marshal.ReadIntPtr(enum_value, Marshal.SizeOf(typeof(IntPtr)));
                    return(GLib.Marshaller.Utf8PtrToString(name));
                }
            }
            else if (value is bool)
            {
                return((bool)value ? "True" : "False");
            }
            else
            {
                return(value.ToString());
            }
        }
        public TypedPropertyDescriptor(XmlElement elem, ItemGroup group, TypedClassDescriptor klass) : base(elem, group, klass)
        {
            this.klass = klass;
            string propertyName = elem.GetAttribute("name");
            int    dot          = propertyName.IndexOf('.');

            if (dot != -1)
            {
                // Sub-property (eg, "Alignment.Value")
                memberInfo        = FindProperty(klass.WrapperType, klass.WrappedType, propertyName.Substring(0, dot));
                isWrapperProperty = memberInfo.DeclaringType.IsSubclassOf(typeof(ObjectWrapper));
                gladeProperty     = new TypedPropertyDescriptor(isWrapperProperty ? klass.WrapperType : klass.WrappedType, memberInfo.Name);
                propertyInfo      = FindProperty(memberInfo.PropertyType, propertyName.Substring(dot + 1));
            }
            else
            {
                // Basic simple property
                propertyInfo      = FindProperty(klass.WrapperType, klass.WrappedType, propertyName);
                isWrapperProperty = propertyInfo.DeclaringType.IsSubclassOf(typeof(ObjectWrapper));
            }

            // Wrapper properties that override widgets properties (using the same name)
            // must be considered runtime properties (will be available at run-time).
            if (!isWrapperProperty || klass.WrappedType.GetProperty(propertyName) != null)
            {
                isRuntimeProperty = true;
            }

            if (!IsInternal && propertyInfo.PropertyType.IsEnum &&
                Registry.LookupEnum(propertyInfo.PropertyType.FullName) == null)
            {
                throw new ArgumentException("No EnumDescriptor for " + propertyInfo.PropertyType.FullName + "(" + klass.WrappedType.FullName + "." + propertyName + ")");
            }

            pspec = FindPSpec(propertyInfo);

            if (isWrapperProperty && pspec == null)
            {
                PropertyInfo pinfo = klass.WrappedType.GetProperty(propertyInfo.Name, flags);
                if (pinfo != null)
                {
                    pspec = FindPSpec(pinfo);
                }
            }

            if (pspec != null)
            {
                // This information will be overridden by what's specified in the xml file
                description = pspec.Blurb;
                minimum     = pspec.Minimum;
                maximum     = pspec.Maximum;
                label       = propertyName;
                if (!elem.HasAttribute("ignore-default"))
                {
                    hasDefault = Type.GetTypeCode(PropertyType) != TypeCode.Object || PropertyType.IsEnum;
                }
            }
            else
            {
                label         = propertyInfo.Name;
                gladeOverride = true;
            }

            string typeName = elem.GetAttribute("editor");

            if (typeName.Length > 0)
            {
                editorType = Registry.GetType(typeName, false);
            }

            // Look for a default value attribute

            object[] ats = propertyInfo.GetCustomAttributes(typeof(DefaultValueAttribute), true);
            if (ats.Length > 0)
            {
                DefaultValueAttribute at = (DefaultValueAttribute)ats [0];
                defaultValue = at.Value;
            }

            // Load default data
            Load(elem);
        }
		static string PropToString (ObjectWrapper wrapper, TypedPropertyDescriptor prop)
		{
			object value;

			if (!prop.GladeOverride) {
				Stetic.Wrapper.Container.ContainerChild ccwrap = wrapper as Stetic.Wrapper.Container.ContainerChild;
				GLib.Value gval;

				if (ccwrap != null) {
					Gtk.Container.ContainerChild cc = (Gtk.Container.ContainerChild)ccwrap.Wrapped;
					gval = new GLib.Value ((GLib.GType) prop.PropertyType);
					gtk_container_child_get_property (cc.Parent.Handle, cc.Child.Handle, prop.GladeName, ref gval);
				} else {
					Gtk.Widget widget = wrapper.Wrapped as Gtk.Widget;
					gval = new GLib.Value (widget, prop.GladeName);
					g_object_get_property (widget.Handle, prop.GladeName, ref gval);
				}
				value = gval.Val;
			} else
				value = prop.GetValue (wrapper.Wrapped);
			if (value == null)
				return null;

			// If the property has its default value, we don't need to write it
			if (prop.HasDefault && prop.ParamSpec.IsDefaultValue (value))
				return null;

			if (value is Gtk.Adjustment) {
				Gtk.Adjustment adj = value as Gtk.Adjustment;
				return String.Format ("{0:G} {1:G} {2:G} {3:G} {4:G} {5:G}",
						      adj.Value, adj.Lower, adj.Upper,
						      adj.StepIncrement, adj.PageIncrement,
						      adj.PageSize);
			} else if (value is Enum && prop.ParamSpec != null) {
				IntPtr klass = g_type_class_ref (((GLib.GType)prop.PropertyType).Val);

				if (prop.PropertyType.IsDefined (typeof (FlagsAttribute), false)) {
					System.Text.StringBuilder sb = new System.Text.StringBuilder ();
					uint val = (uint)System.Convert.ChangeType (value, typeof (uint));

					while (val != 0) {
						IntPtr flags_value = g_flags_get_first_value (klass, val);
						if (flags_value == IntPtr.Zero)
							break;
						IntPtr fval = Marshal.ReadIntPtr (flags_value);
						val &= ~(uint)fval;

						IntPtr name = Marshal.ReadIntPtr (flags_value, Marshal.SizeOf (typeof (IntPtr)));
						if (name != IntPtr.Zero) {
							if (sb.Length != 0)
								sb.Append ('|');
							sb.Append (GLib.Marshaller.Utf8PtrToString (name));
						}
					}

					g_type_class_unref (klass);
					return sb.ToString ();
				} else {
					int val = (int)System.Convert.ChangeType (value, typeof (int));
					IntPtr enum_value = g_enum_get_value (klass, val);
					g_type_class_unref (klass);

					IntPtr name = Marshal.ReadIntPtr (enum_value, Marshal.SizeOf (typeof (IntPtr)));
					return GLib.Marshaller.Utf8PtrToString (name);
				}
			} else if (value is bool)
				return (bool)value ? "True" : "False";
			else
				return value.ToString ();
		}
		public TypedPropertyDescriptor (XmlElement elem, ItemGroup group, TypedClassDescriptor klass) : base (elem, group, klass)
		{
			this.klass = klass;
			string propertyName = elem.GetAttribute ("name");
			int dot = propertyName.IndexOf ('.');

			if (dot != -1) {
				// Sub-property (eg, "Alignment.Value")
				memberInfo = FindProperty (klass.WrapperType, klass.WrappedType, propertyName.Substring (0, dot));
				isWrapperProperty = memberInfo.DeclaringType.IsSubclassOf (typeof (ObjectWrapper));
				gladeProperty = new TypedPropertyDescriptor (isWrapperProperty ? klass.WrapperType : klass.WrappedType, memberInfo.Name);
				propertyInfo = FindProperty (memberInfo.PropertyType, propertyName.Substring (dot + 1));
			} else {
				// Basic simple property
				propertyInfo = FindProperty (klass.WrapperType, klass.WrappedType, propertyName);
				isWrapperProperty = propertyInfo.DeclaringType.IsSubclassOf (typeof (ObjectWrapper));
			}
			
			// Wrapper properties that override widgets properties (using the same name)
			// must be considered runtime properties (will be available at run-time).
			if (!isWrapperProperty || klass.WrappedType.GetProperty (propertyName) != null)
				isRuntimeProperty = true;
			
			if (!IsInternal && propertyInfo.PropertyType.IsEnum &&
			    Registry.LookupEnum (propertyInfo.PropertyType.FullName) == null)
				throw new ArgumentException ("No EnumDescriptor for " + propertyInfo.PropertyType.FullName + "(" + klass.WrappedType.FullName + "." + propertyName + ")");

			pspec = FindPSpec (propertyInfo);
			
			if (isWrapperProperty && pspec == null) {
				PropertyInfo pinfo = klass.WrappedType.GetProperty (propertyInfo.Name, flags);
				if (pinfo != null)
					pspec = FindPSpec (pinfo);
			}

			if (pspec != null) {
				// This information will be overridden by what's specified in the xml file
				description = pspec.Blurb;
				minimum = pspec.Minimum;
				maximum = pspec.Maximum;
				label = propertyName;
				if (!elem.HasAttribute ("ignore-default"))
					hasDefault = Type.GetTypeCode (PropertyType) != TypeCode.Object || PropertyType.IsEnum;
			} else {
				label = propertyInfo.Name;
				gladeOverride = true;
			}

			string typeName = elem.GetAttribute ("editor");
			if (typeName.Length > 0)
				editorType = Registry.GetType (typeName, false);
			
			// Look for a default value attribute
			
			object[] ats = propertyInfo.GetCustomAttributes (typeof(DefaultValueAttribute), true);
			if (ats.Length > 0) {
				DefaultValueAttribute at = (DefaultValueAttribute) ats [0];
				defaultValue = at.Value;
			}
			
			// Load default data
			Load (elem);
		}