Inherited protected controls are now supported in the Python forms designer.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/3.0@4571 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonControlFieldExpression.cs

@@ -202,14 +202,38 @@ namespace ICSharpCode.PythonBinding
 			}
 			return null;
 		}
+
+		/// <summary>
+		/// Looks for a field in the component with the given name.
+		/// </summary>
+		public static object GetInheritedObject(string name, object component)
+		{
+			if (component != null) {
+				FieldInfo[] fields = component.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Instance);
+				foreach (FieldInfo field in fields) {
+					if (String.Equals(name, field.Name, StringComparison.InvariantCultureIgnoreCase)) {
+						return field.GetValue(component);
+					}
+				}
+			}
+			return null;
+		}
 		
 		/// <summary>
 		/// Gets the object that the field expression variable refers to.
 		/// </summary>
+		/// <remarks>
+		/// This method will also check form's base class for any inherited objects that match
+		/// the object being referenced.
+		/// </remarks>
 		public object GetObject(IComponentCreator componentCreator)
 		{
 			if (variableName.Length > 0) {
-				return componentCreator.GetComponent(variableName);
+				object component = componentCreator.GetComponent(variableName);
+				if (component != null) {
+					return component;
+				}	
+				return GetInheritedObject(variableName, componentCreator.RootComponent);
 			}
 			return componentCreator.RootComponent;		
 		}

src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonDesignerComponent.cs

@@ -284,25 +284,46 @@ namespace ICSharpCode.PythonBinding
 		}
 		
 		/// <summary>
-		/// Returns true if the component has an InheritanceAttribute set to InheritanceLevel.InheritedReadOnly
+		/// Returns true if the component has an InheritanceAttribute set to InheritanceLevel.Inherited or 
+		/// InheritanceLevel.InheritedReadOnly
 		/// </summary>
-		public static bool IsInheritedReadOnlyComponent(object component)
+		public static bool IsInheritedComponent(object component)
 		{
 			if (component != null) {
-				AttributeCollection attributes = TypeDescriptor.GetAttributes(component);
-				InheritanceAttribute attribute = (InheritanceAttribute)attributes[typeof(InheritanceAttribute)];
-				if (attribute != null) {
-					return attribute.InheritanceLevel == InheritanceLevel.InheritedReadOnly;
-				}
+				InheritanceAttribute attribute = GetInheritanceAttribute(component);
+				return attribute.InheritanceLevel != InheritanceLevel.NotInherited;
 			}
 			return false;
 		}
 		
+		/// <summary>
+		/// Returns true if the component has an InheritanceAttribute set to InheritanceLevel.Inherited or 
+		/// InheritanceLevel.InheritedReadOnly
+		/// </summary>
+		public bool IsInherited {
+			get { return IsInheritedComponent(component); }
+		}
+		
 		/// <summary>
 		/// Returns true if the component has an InheritanceAttribute set to InheritanceLevel.InheritedReadOnly
 		/// </summary>
 		public bool IsInheritedReadOnly {
-			get { return IsInheritedReadOnlyComponent(component); }
+			get { 
+				InheritanceAttribute attribute = GetInheritanceAttribute(component);
+				if (attribute != null) {
+					return attribute.InheritanceLevel == InheritanceLevel.InheritedReadOnly;
+				}
+				return false;
+			}
+		}
+		
+		public static InheritanceAttribute GetInheritanceAttribute(object component)
+		{
+			if (component != null) {
+				AttributeCollection attributes = TypeDescriptor.GetAttributes(component);
+				return attributes[typeof(InheritanceAttribute)] as InheritanceAttribute;
+			}
+			return null;	
 		}
 				
 		/// <summary>
@@ -495,7 +516,7 @@ namespace ICSharpCode.PythonBinding
 					}
 					foreach (object item in collectionProperty) {
 						IComponent collectionComponent = item as IComponent;
-						if (PythonDesignerComponent.IsSitedComponent(collectionComponent) && !PythonDesignerComponent.IsInheritedReadOnlyComponent(collectionComponent)) {
+						if (PythonDesignerComponent.IsSitedComponent(collectionComponent) && !PythonDesignerComponent.IsInheritedComponent(collectionComponent)) {
 							codeBuilder.AppendIndentedLine(propertyOwnerName + "." + propertyDescriptor.Name + "." + addMethod.Name + "(self._" + collectionComponent.Site.Name + ")");
 						}
 					}
@@ -639,9 +660,15 @@ namespace ICSharpCode.PythonBinding
 
 		/// <summary>
 		/// Gets the owner of any properties generated (e.g. "self._textBox1").
+		/// For an inherited component the actual component name is used without any underscore prefix.
+		/// </summary>
 		public virtual string GetPropertyOwnerName()
 		{
-			return "self._" + component.Site.Name;			
+			string componentName = component.Site.Name;
+			if (IsInherited) {
+				return "self." + componentName;
+			}
+			return "self._" + componentName;			
 		}
 		
 		/// <summary>
@@ -741,7 +768,7 @@ namespace ICSharpCode.PythonBinding
 		static bool HasSitedComponents(PythonDesignerComponent[] components)
 		{	
 			foreach (PythonDesignerComponent component in components) {
-				if (component.IsSited) {
+				if (component.IsSited && !component.IsInherited) {
 					return true;
 				}
 			}
@@ -751,7 +778,7 @@ namespace ICSharpCode.PythonBinding
 		void AppendCreateChildComponents(PythonCodeBuilder codeBuilder, PythonDesignerComponent[] childComponents)
 		{
 			foreach (PythonDesignerComponent designerComponent in childComponents) {
-				if (designerComponent.IsSited) {					
+				if (designerComponent.IsSited && !designerComponent.IsInherited) {					
 					designerComponent.AppendCreateInstance(codeBuilder);
 				}
 			}

src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/GenerateInheritedProtectedPanelFormTestFixture.cs

@@ -0,0 +1,109 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.ComponentModel;
+using System.ComponentModel.Design;
+using System.Drawing;
+using System.Windows.Forms;
+using ICSharpCode.PythonBinding;
+using NUnit.Framework;
+using PythonBinding.Tests.Utils;
+
+namespace PythonBinding.Tests.Designer
+{
+	class ProtectedPanelBaseForm : Form
+	{
+		protected Panel panel1 = new Panel();
+		Button button1 = new Button();
+		
+		public ProtectedPanelBaseForm()
+		{
+			button1.Name = "button1";
+
+			panel1.Name = "panel1";
+			panel1.Location = new Point(5, 10);
+			panel1.Size = new Size(200, 100);
+			panel1.Controls.Add(button1);
+
+			Controls.Add(panel1);
+		}
+	}
+	
+	class ProtectedPanelDerivedForm : ProtectedPanelBaseForm 
+	{
+		[EditorBrowsableAttribute(EditorBrowsableState.Never)]
+		internal Point PanelLocation {
+			get { return panel1.Location; }
+			set { panel1.Location = value; }
+		}
+		
+		[EditorBrowsableAttribute(EditorBrowsableState.Never)]
+		internal Size PanelSize {
+			get { return panel1.Size; }
+			set { panel1.Size = value; }
+		}
+		
+		[EditorBrowsableAttribute(EditorBrowsableState.Never)]
+		internal Panel GetPanel() 
+		{
+			return panel1;
+		}
+	}
+	
+	/// <summary>
+	/// Tests that no code is generated for a protected panel control in the base class
+	/// that has child controls.
+	/// </summary>
+	[TestFixture]
+	public class GenerateInheritedProtectedPanelFormTestFixture
+	{
+		string generatedPythonCode;
+		
+		[TestFixtureSetUp]
+		public void SetUpFixture()
+		{
+			using (DesignSurface designSurface = new DesignSurface(typeof(ProtectedPanelDerivedForm))) {
+				IDesignerHost host = (IDesignerHost)designSurface.GetService(typeof(IDesignerHost));
+				Form form = (Form)host.RootComponent;
+				form.ClientSize = new Size(284, 264);
+
+				PropertyDescriptorCollection descriptors = TypeDescriptor.GetProperties(form);
+				PropertyDescriptor namePropertyDescriptor = descriptors.Find("Name", false);
+				namePropertyDescriptor.SetValue(form, "MainForm");
+
+				// Move protected panel so we generate code for the new location.
+				ProtectedPanelDerivedForm derivedForm = (ProtectedPanelDerivedForm)form;
+				derivedForm.PanelLocation = new Point(10, 15);
+				
+				string indentString = "    ";
+				PythonControl pythonForm = new PythonControl(indentString);
+				generatedPythonCode = pythonForm.GenerateInitializeComponentMethod(form);
+			}
+		}
+		
+		[Test]
+		public void GeneratedCode()
+		{
+			string expectedCode = "def InitializeComponent(self):\r\n" +
+								"    self.SuspendLayout()\r\n" +
+								"    # \r\n" +
+								"    # panel1\r\n" +
+								"    # \r\n" +
+								"    self.panel1.Location = System.Drawing.Point(10, 15)\r\n" +
+								"    # \r\n" +
+								"    # MainForm\r\n" +
+								"    # \r\n" +
+								"    self.ClientSize = System.Drawing.Size(284, 264)\r\n" +
+								"    self.Name = \"MainForm\"\r\n" +
+								"    self.ResumeLayout(False)\r\n" +
+								"    self.PerformLayout()\r\n";
+			
+			Assert.AreEqual(expectedCode, generatedPythonCode, generatedPythonCode);
+		}
+	}
+}

src/AddIns/BackendBindings/Python/PythonBinding/Test/Designer/LoadInheritedProtectedPanelFormTestFixture.cs

@@ -0,0 +1,90 @@
+// <file>
+//     <copyright see="prj:///doc/copyright.txt"/>
+//     <license see="prj:///doc/license.txt"/>
+//     <owner name="Matthew Ward" email="mrward@users.sourceforge.net"/>
+//     <version>$Revision$</version>
+// </file>
+
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.IO;
+using System.Windows.Forms;
+
+using ICSharpCode.PythonBinding;
+using IronPython.Compiler.Ast;
+using NUnit.Framework;
+using PythonBinding.Tests.Utils;
+
+namespace PythonBinding.Tests.Designer
+{
+	[TestFixture]
+	public class LoadInheritedProtectedPanelFormTestFixture : LoadFormTestFixtureBase
+	{		
+		public override string PythonCode {
+			get {
+				base.ComponentCreator.AddType("PythonBinding.Tests.Designer.ProtectedPanelDerivedForm", typeof(ProtectedPanelDerivedForm));
+				
+				return "class MainForm(PythonBinding.Tests.Designer.ProtectedPanelDerivedForm):\r\n" +
+							"    def InitializeComponent(self):\r\n" +
+							"        self.SuspendLayout()\r\n" +
+							"        # \r\n" +
+							"        # panel1\r\n" +
+							"        # \r\n" +
+							"        self.panel1.Location = System.Drawing.Point(10, 15)\r\n" +
+							"        self.panel1.Size = System.Drawing.Size(108, 120)\r\n" +
+							"        # \r\n" +
+							"        # form1\r\n" +
+							"        # \r\n" +
+							"        self.Location = System.Drawing.Point(10, 20)\r\n" +
+							"        self.Name = \"form1\"\r\n" +
+							"        self.Controls.Add(self._textBox1)\r\n" +
+							"        self.ResumeLayout(False)\r\n";
+			}
+		}
+		
+		ProtectedPanelDerivedForm DerivedForm { 
+			get { return Form as ProtectedPanelDerivedForm; }
+		}
+				
+		[Test]
+		public void PanelLocation()
+		{
+			Assert.AreEqual(new Point(10, 15), DerivedForm.PanelLocation);
+		}
+
+		[Test]
+		public void PanelSize()
+		{
+			Assert.AreEqual(new Size(108, 120), DerivedForm.PanelSize);
+		}
+		
+		[Test]
+		public void GetProtectedPanelObject()
+		{
+			Assert.AreEqual(DerivedForm.GetPanel(), PythonControlFieldExpression.GetInheritedObject("panel1", DerivedForm));
+		}
+		
+		[Test]
+		public void GetProtectedPanelObjectIncorrectCase()
+		{
+			Assert.AreEqual(DerivedForm.GetPanel(), PythonControlFieldExpression.GetInheritedObject("PANEL1", DerivedForm));
+		}
+		
+		[Test]
+		public void GetInheritedObjectPassedNull()
+		{
+			Assert.IsNull(PythonControlFieldExpression.GetInheritedObject("panel1", null));
+		}
+		
+		[Test]
+		public void GetInheritedPanelObjectFromFieldExpression()
+		{
+			AssignmentStatement statement = PythonParserHelper.GetAssignmentStatement("self.panel1.Name = \"abc\"");
+			PythonControlFieldExpression field = PythonControlFieldExpression.Create(statement.Left[0] as MemberExpression);
+				
+			Assert.AreEqual(DerivedForm.GetPanel(), field.GetObject(ComponentCreator));
+		}
+	}
+}

src/AddIns/BackendBindings/Python/PythonBinding/Test/PythonBinding.Tests.csproj

@@ -197,6 +197,7 @@
     <Compile Include="Designer\GenerateImageListResourcesTestFixture.cs" />
     <Compile Include="Designer\GenerateImeModeFormTestFixture.cs" />
     <Compile Include="Designer\GenerateInheritedFormTestFixture.cs" />
+    <Compile Include="Designer\GenerateInheritedProtectedPanelFormTestFixture.cs" />
     <Compile Include="Designer\GenerateListViewItemTestFixture.cs" />
     <Compile Include="Designer\GenerateListViewSubItemsTestFixture.cs" />
     <Compile Include="Designer\GenerateListViewWithImageListTestFixture.cs" />
@@ -235,6 +236,7 @@
     <Compile Include="Designer\LoadFormTestFixtureBase.cs" />
     <Compile Include="Designer\LoadFormWithBooleanPropertiesSetTestFixture.cs" />
     <Compile Include="Designer\LoadFormWithSysPathAppendStatementTestFixture.cs" />
+    <Compile Include="Designer\LoadInheritedProtectedPanelFormTestFixture.cs" />
     <Compile Include="Designer\LoadListViewFormTestFixture.cs" />
     <Compile Include="Designer\LoadLocalImageResourceTestFixture.cs" />
     <Compile Include="Designer\LoadMenuStripFormTestFixture.cs" />