Merge pull request #649 from xamarin/ermau-autoresizing

Windows Autoresizing Editor

5 files changed, 311 insertions, 31 deletions

diff --git a/Xamarin.PropertyEditing/Common/AutoResizingFlags.cs b/Xamarin.PropertyEditing/Common/AutoResizingFlags.cs
new file mode 100644
index 0000000..8c21b55
--- /dev/null
+++ b/Xamarin.PropertyEditing/Common/AutoResizingFlags.cs
@@ -0,0 +1,19 @@
+using System;
+
+namespace Xamarin.PropertyEditing.Common
+{
+	[Flags]
+	public enum AutoResizingFlags
+	{
+		None                 = 0,
+		FlexibleLeftMargin   = 1 << 0,
+		FlexibleWidth        = 1 << 1,
+		FlexibleRightMargin  = 1 << 2,
+		FlexibleTopMargin    = 1 << 3,
+		FlexibleHeight       = 1 << 4,
+		FlexibleBottomMargin = 1 << 5,
+		FlexibleMargins      = FlexibleBottomMargin | FlexibleTopMargin | FlexibleLeftMargin | FlexibleRightMargin,
+		FlexibleDimensions   = FlexibleHeight | FlexibleWidth,
+		All = FlexibleMargins | FlexibleDimensions
+	}
+}
diff --git a/Xamarin.PropertyEditing/Properties/Resources.Designer.cs b/Xamarin.PropertyEditing/Properties/Resources.Designer.cs
index c8cc438..1d9813f 100644
--- a/Xamarin.PropertyEditing/Properties/Resources.Designer.cs
+++ b/Xamarin.PropertyEditing/Properties/Resources.Designer.cs
@@ -1270,5 +1270,71 @@ namespace Xamarin.PropertyEditing.Properties {
 		        return ResourceManager.GetString("PropertyButtonName", resourceCulture);
 	        }
         }
+
+        public static string AutoresizingBottomMarginName {
+            get {
+                return ResourceManager.GetString("AutoresizingBottomMarginName", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingFixedSized {
+            get {
+                return ResourceManager.GetString("AutoresizingFixedSized", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingHeightSizable {
+            get {
+                return ResourceManager.GetString("AutoresizingHeightSizable", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingLeftMarginName {
+            get {
+                return ResourceManager.GetString("AutoresizingLeftMarginName", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingRightMarginName {
+            get {
+                return ResourceManager.GetString("AutoresizingRightMarginName", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingSizingHelpText {
+            get {
+                return ResourceManager.GetString("AutoresizingSizingHelpText", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingSizingName {
+            get {
+                return ResourceManager.GetString("AutoresizingSizingName", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingTopMarginName {
+            get {
+                return ResourceManager.GetString("AutoresizingTopMarginName", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingWidthHeightSizable {
+            get {
+                return ResourceManager.GetString("AutoresizingWidthHeightSizable", resourceCulture);
+            }
+        }
+
+        public static string AutoresizingWidthSizable {
+            get {
+                return ResourceManager.GetString("AutoresizingWidthSizable", resourceCulture);
+            }
+        }
+
+        public static string Autosizing {
+            get {
+                return ResourceManager.GetString("Autosizing", resourceCulture);
+            }
+        }
     }
 }
diff --git a/Xamarin.PropertyEditing/Properties/Resources.resx b/Xamarin.PropertyEditing/Properties/Resources.resx
index e778724..6713737 100644
--- a/Xamarin.PropertyEditing/Properties/Resources.resx
+++ b/Xamarin.PropertyEditing/Properties/Resources.resx
@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
-    Microsoft ResX Schema 
-    
+  <!--
+    Microsoft ResX Schema
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-    
+
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
@@ -633,7 +633,7 @@
   <data name="AccessibilityDateTime" xml:space="preserve">
     <value>{0} DateTime Editor</value>
     <comment>Editor for DateTime Value</comment>
-  </data>  
+  </data>
   <data name="AccessibilityXEditor" xml:space="preserve">
     <value>{0} X Editor</value>
     <comment>Editor for X Value</comment>
@@ -649,7 +649,7 @@
   <data name="AccessibilityHeightEditor" xml:space="preserve">
     <value>{0} Height Editor</value>
     <comment>Editor for Height Value</comment>
-  </data> 
+  </data>
   <data name="ArrangeByLabel" xml:space="preserve">
     <value>Arrange By:</value>
   </data>
@@ -725,7 +725,7 @@
   <data name="AccessibilityPathEditor" xml:space="preserve">
     <value>{0} {1} Path Editor</value>
     <comment>Editor for File/Directory Path Editor</comment>
-  </data>  
+  </data>
   <data name="ChooseFileOrDirectory" xml:space="preserve">
     <value>Choose a {0}</value>
     <comment>Choose a File or Directory</comment>
@@ -751,7 +751,7 @@
   </data>
   <data name="RemoveVariant" xml:space="preserve">
     <value>Remove Variant</value>
-   </data>  
+   </data>
   <data name="CreateBindingTitle" xml:space="preserve">
     <value>Create Binding</value>
     <comment>Create Binding for Object.Property</comment>
@@ -809,4 +809,41 @@
   <data name="PropertyButtonName" xml:space="preserve">
     <value>Advanced options</value>
   </data>
+  <data name="AutoresizingLeftMarginName" xml:space="preserve">
+    <value>Left margin fixed</value>
+  </data>
+  <data name="Autosizing" xml:space="preserve">
+    <value>Autosizing</value>
+  </data>
+  <data name="Example" xml:space="preserve">
+    <value>Example</value>
+  </data>
+  <data name="AutoresizingBottomMarginName" xml:space="preserve">
+    <value>Bottom margin fixed</value>
+  </data>
+  <data name="AutoresizingRightMarginName" xml:space="preserve">
+    <value>Right margin fixed</value>
+  </data>
+  <data name="AutoresizingSizingHelpText" xml:space="preserve">
+    <value>Cycles through width and height sizable</value>
+  </data>
+  <data name="AutoresizingTopMarginName" xml:space="preserve">
+    <value>Top margin fixed</value>
+  </data>
+  <data name="AutoresizingFixedSized" xml:space="preserve">
+    <value>fixed size</value>
+  </data>
+  <data name="AutoresizingHeightSizable" xml:space="preserve">
+    <value>height sizable</value>
+  </data>
+  <data name="AutoresizingSizingName" xml:space="preserve">
+    <value>Sizing, {0}</value>
+    <comment>Name, {Current State}</comment>
+  </data>
+  <data name="AutoresizingWidthHeightSizable" xml:space="preserve">
+    <value>width and height sizable</value>
+  </data>
+  <data name="AutoresizingWidthSizable" xml:space="preserve">
+    <value>width sizable</value>
+  </data>
 </root>
\ No newline at end of file
diff --git a/Xamarin.PropertyEditing/ViewModels/AutoResizingPropertyViewModel.cs b/Xamarin.PropertyEditing/ViewModels/AutoResizingPropertyViewModel.cs
new file mode 100644
index 0000000..2f29af8
--- /dev/null
+++ b/Xamarin.PropertyEditing/ViewModels/AutoResizingPropertyViewModel.cs
@@ -0,0 +1,157 @@
+using System.Collections.Generic;
+using System.Windows.Input;
+using Xamarin.PropertyEditing.Common;
+using Xamarin.PropertyEditing.Drawing;
+
+namespace Xamarin.PropertyEditing.ViewModels
+{
+	internal class AutoResizingPropertyViewModel
+		: PropertyViewModel<AutoResizingFlags>
+	{
+		public AutoResizingPropertyViewModel (TargetPlatform platform, IPropertyInfo property, IEnumerable<IObjectEditor> editors, PropertyVariation variation = null)
+			: base (platform, property, editors, variation)
+		{
+			ToggleMaskCommand = new RelayCommand<AutoResizingFlags> (ToggleFlag);
+			CycleSizingCommand = new RelayCommand (OnCycleSizing);
+		}
+
+		public ICommand ToggleMaskCommand
+		{
+			get;
+		}
+
+		public ICommand CycleSizingCommand
+		{
+			get;
+		}
+
+		public bool LeftMarginFixed
+		{
+			get => (Value & AutoResizingFlags.FlexibleLeftMargin) != AutoResizingFlags.FlexibleLeftMargin;
+			set => SetFlag (AutoResizingFlags.FlexibleLeftMargin, !value);
+		}
+
+		public bool RightMarginFixed
+		{
+			get => (Value & AutoResizingFlags.FlexibleRightMargin) != AutoResizingFlags.FlexibleRightMargin;
+			set => SetFlag (AutoResizingFlags.FlexibleRightMargin, !value);
+		}
+
+		public bool TopMarginFixed
+		{
+			get => (Value & AutoResizingFlags.FlexibleTopMargin) != AutoResizingFlags.FlexibleTopMargin;
+			set => SetFlag (AutoResizingFlags.FlexibleTopMargin, !value);
+		}
+
+		public bool BottomMarginFixed
+		{
+			get => (Value & AutoResizingFlags.FlexibleBottomMargin) != AutoResizingFlags.FlexibleBottomMargin;
+			set => SetFlag (AutoResizingFlags.FlexibleBottomMargin, !value);
+		}
+
+		public bool HeightSizable
+		{
+			get => (Value & AutoResizingFlags.FlexibleHeight) == AutoResizingFlags.FlexibleHeight;
+			set => SetFlag (AutoResizingFlags.FlexibleHeight, value);
+		}
+
+		public bool WidthSizable
+		{
+			get => (Value & AutoResizingFlags.FlexibleWidth) == AutoResizingFlags.FlexibleWidth;
+			set => SetFlag (AutoResizingFlags.FlexibleWidth, value);
+		}
+
+		public CommonRectangle GetPreviewElementRectangle (CommonSize window, AutoResizingFlags flags)
+		{
+			const int Offset = 5;
+			const double multiplier = .75;
+			double width = 10, height = 10;
+			double left;
+			bool fixedLeft = !flags.HasFlag (AutoResizingFlags.FlexibleLeftMargin),
+				fixedRight = !flags.HasFlag (AutoResizingFlags.FlexibleRightMargin);
+
+			if (fixedLeft)
+				left = Offset;
+			else if (fixedRight)
+				left = window.Width - Offset - width;
+			else
+				left = (window.Width / 2) - (width / 2);
+
+			if (flags.HasFlag (AutoResizingFlags.FlexibleWidth)) {
+				if (fixedRight && fixedLeft) {
+					width = window.Width - (Offset * 2);
+				} else if (fixedRight) {
+					left = window.Width - (window.Width * multiplier);
+					width = window.Width - left - Offset;
+				} else if (fixedLeft) {
+					width = (window.Width * multiplier) - Offset;
+				} else {
+					width = window.Width * multiplier;
+					left = (window.Width - width) / 2;
+				}
+			}
+
+			double top;
+			bool fixedTop = !flags.HasFlag (AutoResizingFlags.FlexibleTopMargin),
+				fixedBottom = !flags.HasFlag (AutoResizingFlags.FlexibleBottomMargin);
+
+			if (fixedTop)
+				top = Offset;
+			else if (fixedBottom)
+				top = window.Height - Offset - height;
+			else
+				top = (window.Height / 2) - (height / 2);
+
+			if (flags.HasFlag (AutoResizingFlags.FlexibleHeight)) {
+				if (fixedBottom && fixedTop) {
+					height = window.Height - (Offset * 2);
+				} else if (fixedBottom) {
+					top = window.Height - (window.Height * multiplier);
+					height = window.Height - top - Offset;
+				} else if (fixedTop) {
+					height = (window.Height * multiplier) - Offset;
+				} else {
+					height = window.Height * multiplier;
+					top = (window.Height - height) / 2;
+				}
+			}
+
+			return new CommonRectangle (left, top, width, height);
+		}
+
+		protected override void OnValueChanged ()
+		{
+			base.OnValueChanged ();
+
+			OnPropertyChanged (nameof(LeftMarginFixed));
+			OnPropertyChanged (nameof(RightMarginFixed));
+			OnPropertyChanged (nameof(TopMarginFixed));
+			OnPropertyChanged (nameof(BottomMarginFixed));
+			OnPropertyChanged (nameof(HeightSizable));
+			OnPropertyChanged (nameof(WidthSizable));
+		}
+
+		private void SetFlag (AutoResizingFlags flag, bool set)
+		{
+			Value = (set) ? Value | flag : Value & ~flag;
+		}
+
+		private void ToggleFlag (AutoResizingFlags flag)
+		{
+			Value = Value ^ flag;
+		}
+
+		private void OnCycleSizing ()
+		{
+			if (!WidthSizable && !HeightSizable) {
+				WidthSizable = true;
+			} else if (WidthSizable && !HeightSizable) {
+				HeightSizable = true;
+			} else if (WidthSizable && HeightSizable) {
+				WidthSizable = false;
+			} else if (!WidthSizable && HeightSizable) {
+				HeightSizable = false;
+			}
+		}
+	}
+}
diff --git a/Xamarin.PropertyEditing/ViewModels/PropertiesViewModel.cs b/Xamarin.PropertyEditing/ViewModels/PropertiesViewModel.cs
index 8e5cceb..5862ad9 100644
--- a/Xamarin.PropertyEditing/ViewModels/PropertiesViewModel.cs
+++ b/Xamarin.PropertyEditing/ViewModels/PropertiesViewModel.cs
@@ -655,6 +655,7 @@ namespace Xamarin.PropertyEditing.ViewModels
 			{ typeof(object), (tp,p,e,v) => new ObjectPropertyViewModel (tp, p, e, v) },
 			{ typeof(ITypeInfo), (tp,p,e,v) => new TypePropertyViewModel (tp, p, e, v) },
 			{ typeof(CommonRatio), (tp, p, e, v) => new RatioViewModel (tp, p, e, v) },
+			{ typeof(AutoResizingFlags), (tp, p, e, v) => new AutoResizingPropertyViewModel (tp, p, e, v) },
 		};
 	}
 }