From 22e2b551c2920368c4d5060bc2ce88b29051cd2f Mon Sep 17 00:00:00 2001
From: Paul Schneider <paul@pschneider.fr>
Date: Mon, 9 Jan 2017 18:14:40 +0100
Subject: [PATCH] trying to customize the webview context menu ...

With no success.
---
 .../BookAStar.Droid/BookAStar.Droid.csproj    |  9 ++-
 .../BookAStar.Droid/Markdown/MDContextMenu.cs | 73 +++++++++++++++++++
 .../BookAStar.Droid/Markdown/MDWebView.cs     | 28 +++++++
 .../Markdown/MarkdownViewRenderer.cs          | 20 ++++-
 .../Resources/menu/md_menu.axml               | 33 +++++++++
 .../Resources/values/strings.xml              | 13 ++++
 6 files changed, 173 insertions(+), 3 deletions(-)
 create mode 100644 BookAStar/BookAStar.Droid/Markdown/MDContextMenu.cs
 create mode 100644 BookAStar/BookAStar.Droid/Markdown/MDWebView.cs
 create mode 100644 BookAStar/BookAStar.Droid/Resources/menu/md_menu.axml

diff --git a/BookAStar/BookAStar.Droid/BookAStar.Droid.csproj b/BookAStar/BookAStar.Droid/BookAStar.Droid.csproj
index a1d532a7..9903e7bc 100644
--- a/BookAStar/BookAStar.Droid/BookAStar.Droid.csproj
+++ b/BookAStar/BookAStar.Droid/BookAStar.Droid.csproj
@@ -343,6 +343,8 @@
     <Compile Include="Markdown\MarkdownViewModel.cs" />
     <Compile Include="Markdown\MarkdownViewRenderer.cs" />
     <Compile Include="Markdown\MarkdownWebChromeClient.cs" />
+    <Compile Include="Markdown\MDContextMenu.cs" />
+    <Compile Include="Markdown\MDWebView.cs" />
     <Compile Include="OAuth2\YaOAuth2Authenticator.cs" />
     <Compile Include="Rendering\ImageButtonRenderer.cs" />
     <Compile Include="Resources\Resource.Designer.cs" />
@@ -374,6 +376,9 @@
     <AndroidResource Include="Resources\layout\EditEstimate.axml">
       <SubType>Designer</SubType>
     </AndroidResource>
+    <AndroidResource Include="Resources\menu\md_menu.axml">
+      <SubType>Designer</SubType>
+    </AndroidResource>
   </ItemGroup>
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\icon.png" />
@@ -383,7 +388,9 @@
   </ItemGroup>
   <ItemGroup>
     <AndroidResource Include="Resources\layout\Tabbar.axml" />
-    <AndroidResource Include="Resources\layout\Toolbar.axml" />
+    <AndroidResource Include="Resources\layout\Toolbar.axml">
+      <SubType>Designer</SubType>
+    </AndroidResource>
     <AndroidResource Include="Resources\values\styles.xml">
       <SubType>Designer</SubType>
     </AndroidResource>
diff --git a/BookAStar/BookAStar.Droid/Markdown/MDContextMenu.cs b/BookAStar/BookAStar.Droid/Markdown/MDContextMenu.cs
new file mode 100644
index 00000000..d5196466
--- /dev/null
+++ b/BookAStar/BookAStar.Droid/Markdown/MDContextMenu.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using Android.Support.V7.App;
+using XLabs.Ioc;
+using XLabs.Platform.Mvvm;
+using XLabs.Forms;
+using static Android.Views.View;
+
+namespace BookAStar.Droid.Markdown
+{
+    class MDContextMenu : AppCompatDialog
+    {
+        private ActionMode mActionMode = null;
+        public MDContextMenu(Context context) : base(context)
+        {
+            
+        }
+        public override void OnActionModeStarted(ActionMode mode)
+        {
+            if (mActionMode == null)
+            {
+                mActionMode = mode;
+                var menu = mode.Menu;
+                // Remove the default menu items (select all, copy, paste, search)
+                menu.Clear();
+
+                // If you want to keep any of the defaults,
+                // remove the items you don't want individually:
+                // menu.removeItem(android.R.id.[id_of_item_to_remove])
+
+                // Inflate your own menu items
+                mode.MenuInflater.Inflate(Resource.Menu.md_menu, menu);
+
+            }
+            mActionMode = mode;
+            base.OnActionModeStarted(mode);
+        }
+        public override void OnActionModeFinished(ActionMode mode)
+        {
+            base.OnActionModeFinished(mode);
+        }
+        protected override void OnCreate(Bundle savedInstanceState)
+        {
+            base.OnCreate(savedInstanceState);
+        }
+        public void OnCreateContextMenu(IContextMenu menu, View v, IContextMenuContextMenuInfo menuInfo)
+        {
+          /*  if (menuInfo!=null)
+            {
+               var info = menuInfo.ToString();
+            }
+            menu.Add(0, 0, 0, "test");
+            var subMenu = menu.AddSubMenu(
+                0, 1, 1, "...");
+            subMenu.Add(0, 3, 0, "nkjnkjn");
+            var app = Resolver.Resolve<IXFormsApp>() as IXFormsApp<XFormsCompatApplicationDroid>;
+
+            var mgr = ClipboardManager.FromContext(app.AppContext);
+            if (mgr.HasText)
+                menu.Add(0, 0, 0, "Coller!");*/
+            //base.OnCreateContextMenu(menu, v, menuInfo);
+        }
+    }
+}
\ No newline at end of file
diff --git a/BookAStar/BookAStar.Droid/Markdown/MDWebView.cs b/BookAStar/BookAStar.Droid/Markdown/MDWebView.cs
new file mode 100644
index 00000000..c567807d
--- /dev/null
+++ b/BookAStar/BookAStar.Droid/Markdown/MDWebView.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+using Android.App;
+using Android.Content;
+using Android.OS;
+using Android.Runtime;
+using Android.Views;
+using Android.Widget;
+using Android.Webkit;
+
+namespace BookAStar.Droid.Markdown
+{
+    class MDWebView : WebView
+    {
+        public MDWebView (Context context) : base (context)
+        {
+        }
+
+        public override ActionMode StartActionMode(ActionMode.ICallback callback)
+        {
+            return base.StartActionMode(callback);
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/BookAStar/BookAStar.Droid/Markdown/MarkdownViewRenderer.cs b/BookAStar/BookAStar.Droid/Markdown/MarkdownViewRenderer.cs
index 9480e863..7ebdfef9 100644
--- a/BookAStar/BookAStar.Droid/Markdown/MarkdownViewRenderer.cs
+++ b/BookAStar/BookAStar.Droid/Markdown/MarkdownViewRenderer.cs
@@ -12,6 +12,11 @@ using Android.Views;
 namespace BookAStar.Droid
 {
     using Markdown;
+    using XLabs.Forms;
+    using XLabs.Ioc;
+    using XLabs.Platform.Mvvm;
+    using static View;
+
     public class MarkdownViewRenderer : ViewRenderer<MarkdownView, WebView>
     {
         private WebView editorView;
@@ -35,7 +40,9 @@ namespace BookAStar.Droid
         {
             if (view == null || xview == null) return;
             var vch = view.ContentHeight;
-            xview.HeightRequest = vch > xview.MinimumHeightRequest ? vch : xview.MinimumHeightRequest;
+       //   var oldH = xview.Height;
+            var newH  = vch > xview.MinimumHeightRequest ? vch : xview.MinimumHeightRequest;
+            xview.HeightRequest = newH;
         }
 
         protected override void OnElementChanged(ElementChangedEventArgs<MarkdownView> e)
@@ -73,7 +80,7 @@ namespace BookAStar.Droid
                 Control.LoadUrl(string.Format("javascript: {0}", script));
             }
         }
-
+        MDContextMenu contextMenu;
         private WebView CreateNativeControl()
         {
             editorView = new WebView(Context);
@@ -93,9 +100,18 @@ namespace BookAStar.Droid
             EditorView.Settings.DomStorageEnabled = true;
             EditorView.AddJavascriptInterface(new JsBridgeMarkdown(this), "jsBridge");
             EditorView.ViewTreeObserver.PreDraw += ViewTreeObserver_PreDraw;
+            //var app = Resolver.Resolve<IXFormsApp>() as IXFormsApp<XFormsCompatApplicationDroid>;
+            //contextMenu = new MDContextMenu(app.AppContext);
+            //EditorView.SetOnCreateContextMenuListener(contextMenu);
+            
             return EditorView;
         }
 
+        private void EditorView_Touch(object sender, TouchEventArgs e)
+        {
+            
+        }
+
         private void ViewTreeObserver_PreDraw(object sender, ViewTreeObserver.PreDrawEventArgs e)
         {
             AdjustHeightRequest(Element, Control);
diff --git a/BookAStar/BookAStar.Droid/Resources/menu/md_menu.axml b/BookAStar/BookAStar.Droid/Resources/menu/md_menu.axml
new file mode 100644
index 00000000..a6f00e51
--- /dev/null
+++ b/BookAStar/BookAStar.Droid/Resources/menu/md_menu.axml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+  <item android:id="@+id/copy"
+        android:title="@string/copy"/>
+  <group android:id="@+id/group">
+  <item android:id="@+id/past"
+        android:title="@string/past"
+        android:showAsAction="ifRoom|withText"/>
+  </group>
+  <item android:id="@+id/submenu_character"
+        android:title="@string/character" >
+    <menu>
+      <item android:id="@+id/bold"
+            android:title="@string/bold" />
+      <item android:id="@+id/italic"
+            android:title="@string/italic" />
+      <item android:id="@+id/underline"
+            android:title="@string/underline" />
+    </menu>
+  </item>
+<item android:id="@+id/submenu_paragraph"
+        android:title="@string/paragraph" >
+    <menu>
+      
+    <item android:id="@+id/header1"
+          android:onClick="onGroupItemClick"
+          android:title="@string/header1" />
+    <item android:id="@+id/header2"
+          android:onClick="onGroupItemClick"
+          android:title="@string/header2" />
+    </menu>
+  </item>
+</menu>
diff --git a/BookAStar/BookAStar.Droid/Resources/values/strings.xml b/BookAStar/BookAStar.Droid/Resources/values/strings.xml
index a4a8abad..2699fd6f 100644
--- a/BookAStar/BookAStar.Droid/Resources/values/strings.xml
+++ b/BookAStar/BookAStar.Droid/Resources/values/strings.xml
@@ -17,6 +17,19 @@
   <string name="google_app_id">325408689282</string>
   <string name="pref_screen_title">Comptes Booking Star</string>
   <string name="account_authenticator_label">Comptes Booking Star</string>
+
+  <string name="copy">Copier</string>
+  <string name="past">Coller</string>
+
+  <string name="character">Caractère</string>
+  <string name="bold">Gras</string>
+  <string name="italic">Italique</string>
+  <string name="underline">Sousligné</string>
+
+  <string name="paragraph">Paragraphe</string>
+  <string name="header1">Titre</string>
+  <string name="header2">Sous-titre</string>
+  
   
   <string name="accounts">Comptes</string>
   <string name="bookingstar_accounts_pref_screen_summary">