From b947a5fba940991a51f2147c9a8338db0a7f2a04 Mon Sep 17 00:00:00 2001
From: Taka <taka@vm-linux-dev>
Date: Mon, 15 Jul 2019 05:51:37 +0000
Subject: [PATCH] Show any warning messages in the UI after startup has
 completed.

---
 resources/spinner.gif       | Bin 0 -> 15209 bytes
 resources/startup-msgs.html |  10 +++++++
 resources/startup.html      |  15 ++++++++++
 src/ChartImage.cs           |   8 ++---
 src/MainForm.cs             |  51 +++++++++++++++++++++++++++-----
 src/MainForm.ui.cs          |  20 +++++++++++++
 src/Program.cs              |  23 +++++++--------
 src/Program2.cs             |  57 ++++++++++++++++++++++++++++++++++++
 8 files changed, 161 insertions(+), 23 deletions(-)
 create mode 100644 resources/spinner.gif
 create mode 100644 resources/startup-msgs.html
 create mode 100644 resources/startup.html
 create mode 100644 src/Program2.cs

diff --git a/resources/spinner.gif b/resources/spinner.gif
new file mode 100644
index 0000000000000000000000000000000000000000..8585d4b297867629e92db12ed274e3b01bf5d5ae
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HcmV?d00001

diff --git a/resources/startup-msgs.html b/resources/startup-msgs.html
new file mode 100644
index 0000000..a24d392
--- /dev/null
+++ b/resources/startup-msgs.html
@@ -0,0 +1,10 @@
+<head>
+<style>
+ul { margin: 0 0 1em 20px ; }
+</style>
+</head>
+
+{{UNUSED-CONFIGS}}
+{{UNCONFIGURED-IMAGES}}
+{{BAD-SHORTCUTS}}
+{{OTHER-MESSAGES}}
diff --git a/resources/startup.html b/resources/startup.html
new file mode 100644
index 0000000..4086fbf
--- /dev/null
+++ b/resources/startup.html
@@ -0,0 +1,15 @@
+<head>
+<style>
+table { width: 100% ; height: 80% ; }
+td { text-align: center ; vertical-align: middle ; }
+img { height: 50px ; margin-bottom: 10px ; }
+</style>
+</head>
+
+<body>
+
+<table> <tr> <td>
+<div> <img src="{{SPINNER-URL}}"> <br> Loading... </div>
+</table>
+
+</body>
diff --git a/src/ChartImage.cs b/src/ChartImage.cs
index 462afda..5da812d 100644
--- a/src/ChartImage.cs
+++ b/src/ChartImage.cs
@@ -22,12 +22,12 @@ public class ChartImage
     private Image mImage ;
     private ImageListViewItem mImageListViewItem ;
 
-    public ChartImage( string key, string fullPath )
+    public ChartImage( string key, string fullPath, dynamic config )
     {
         // initialize the ChartImage
         mFullPath = fullPath ;
-        mConfig = Program.dataConfig.data[ key ] ;
-        if ( mConfig == null )
+        mConfig = config ;
+        if ( config == null )
             mConfig = new JObject() ;
         mImage = Image.FromFile( fullPath ) ;
 
@@ -37,7 +37,7 @@ public class ChartImage
         if ( val != null ) {
             Tuple<Keys,Keys> shortcut = parseShortcut( val ) ;
             if ( shortcut == null )
-                logger.Warn( $"Can't parse shortcut: {val}" ) ;
+                Program.logStartupMsg( "bad-shortcut", $"{key}: {val}" ) ;
             else {
                 if ( ! mShortcuts.ContainsKey( shortcut ) )
                     mShortcuts[ shortcut ] = new List<ChartImage>() ;
diff --git a/src/MainForm.cs b/src/MainForm.cs
index c147946..4507cfd 100644
--- a/src/MainForm.cs
+++ b/src/MainForm.cs
@@ -1,4 +1,5 @@
 using System ;
+using System.Text ;
 using System.IO ;
 using System.Threading ;
 using System.Drawing ;
@@ -21,6 +22,7 @@ public partial class MainForm : Form
     private Label mSearchLabel = new Label() ;
     private TextBox mSearchQuery = new TextBox() ;
     private ImageListView mSearchResults = new ImageListView() ;
+    private WebBrowser mStartupWebBrowser = new WebBrowser() ;
     private Panel mChartImagePanel = new Panel() ;
     private PictureBox mChartImagePictureBox = new PictureBox() ;
 
@@ -41,6 +43,11 @@ public partial class MainForm : Form
         // initialize
         ILog logger = LogManager.GetLogger( "startup" ) ;
 
+        // build an index of the config entries
+        HashSet<string> configIndex = new HashSet<string>(
+            Program.dataConfig.data.ToObject< Dictionary<string,object> >().Keys
+        ) ;
+
         // locate the chart images
         string dataDir = Path.GetFullPath( Program.dataDir ) ;
         IEnumerable<string> files = Directory.EnumerateFiles(
@@ -64,7 +71,12 @@ public partial class MainForm : Form
                 key = fullPath ;
             }
             logger.Debug( $"Loading image: {key}" ) ;
-            ChartImage chartImage = new ChartImage( key, fullPath ) ;
+            dynamic config = Program.dataConfig.data[ key ] ;
+            if ( config == null )
+                Program.logStartupMsg( "unconfigured-image", fname.Substring(dataDir.Length+1) ) ;
+            else
+                configIndex.Remove( key ) ;
+            ChartImage chartImage = new ChartImage( key, fullPath, config ) ;
             mChartImages[ key ] = chartImage ;
 
             // add the image to the list
@@ -72,12 +84,37 @@ public partial class MainForm : Form
             mSearchResults.Invoke( (MethodInvoker) ( () => mSearchResults.Items.Add( item ) ) ) ;
         }
 
-        // everything has been loaded, allow searches
-        mSearchQuery.Invoke( (MethodInvoker) ( () => {
-            mSearchLabel.Enabled = true ;
-            mSearchQuery.Enabled = true ;
-            mSearchQuery.Focus() ;
-        } ) ) ;
+        // log any config entries that were unused
+        foreach( string key in configIndex )
+            Program.logStartupMsg( "unused-config", key ) ;
+
+        // everything has been loaded, update the UI
+        this.Invoke( (MethodInvoker) onStartupCompleted ) ;
+    }
+
+    private void onStartupCompleted()
+    {
+        // show any startup messages
+        string unusedConfigs = Program.getStartupMsgs( "unused-config", "WARNING: Found unused configuration entries:" ) ;
+        string unconfiguredImages = Program.getStartupMsgs( "unconfigured-image", "WARNING: Found image files with no configuration:" ) ;
+        string badShortcuts = Program.getStartupMsgs( "bad-shortcut", "WARNING: Couldn't parse shortcuts:" ) ;
+        string otherMsgs = Program.getStartupMsgs( "", "" ) ;
+        string buf = "" ;
+        string fname = Path.Combine( Program.resourcesDir, "startup-msgs.html" ) ;
+        if ( File.Exists( fname ) ) {
+            buf = File.ReadAllText( fname ) ;
+            buf = buf.Replace( "{{UNUSED-CONFIGS}}", unusedConfigs ) ;
+            buf = buf.Replace( "{{UNCONFIGURED-IMAGES}}", unconfiguredImages ) ;
+            buf = buf.Replace( "{{BAD-SHORTCUTS}}", badShortcuts ) ;
+            buf = buf.Replace( "{{OTHER-MESSAGES}}", otherMsgs ) ;
+        }
+        mStartupWebBrowser.DocumentText = buf ;
+
+        // allow searches
+        mSearchLabel.Enabled = true ;
+        mSearchQuery.Enabled = true ;
+        mSearchResults.Enabled = true ;
+        mSearchQuery.Focus() ;
     }
 
     private void updateSearchResults( string searchQuery )
diff --git a/src/MainForm.ui.cs b/src/MainForm.ui.cs
index fde4407..e1f2283 100644
--- a/src/MainForm.ui.cs
+++ b/src/MainForm.ui.cs
@@ -69,6 +69,19 @@ public partial class MainForm : Form
         mChartImagePanel.Controls.Add( mChartImagePictureBox ) ;
         mSplitter.Panel2.Controls.Add( mChartImagePanel ) ;
 
+        // initialize the bottom pane (startup messages)
+        this.mStartupWebBrowser.AutoSize = true ;
+        this.mStartupWebBrowser.Dock = DockStyle.Fill ;
+        mSplitter.Panel2.Controls.Add( mStartupWebBrowser ) ;
+
+        // show the startup page
+        string fname = Path.Combine( Program.resourcesDir, "startup.html" ) ;
+        if ( File.Exists( fname ) ) {
+            string buf = File.ReadAllText( fname ) ;
+            fname = Path.Combine( Program.resourcesDir, "spinner.gif" ) ;
+            mStartupWebBrowser.DocumentText = buf.Replace( "{{SPINNER-URL}}", fname ) ;
+        }
+
         // initialize handlers
         this.Load += new EventHandler( this.MainForm_Load ) ;
         this.FormClosing += new FormClosingEventHandler( this.MainForm_FormClosing ) ;
@@ -135,6 +148,7 @@ public partial class MainForm : Form
         // NOTE: This can take some time, so we update the UI as they are loaded.
         mSearchLabel.Enabled = false ;
         mSearchQuery.Enabled = false ;
+        mSearchResults.Enabled = false ;
         Thread thread = new Thread( () => loadChartImages() ) ;
         thread.Start() ;
     }
@@ -323,6 +337,12 @@ public partial class MainForm : Form
 
     private void SearchResults_SelectionChanged( object sender, EventArgs e )
     {
+        // remove the startup messages
+        if ( mStartupWebBrowser != null ) {
+            mSplitter.Panel2.Controls.Remove( mStartupWebBrowser ) ;
+            mStartupWebBrowser = null ;
+        }
+
         // show the selected chart image
         Debug.Assert( mSearchResults.SelectedItems.Count == 1 ) ;
         ChartImage chartImage ;
diff --git a/src/Program.cs b/src/Program.cs
index 9a5bc59..0686a5e 100644
--- a/src/Program.cs
+++ b/src/Program.cs
@@ -1,27 +1,27 @@
 using System ;
 using System.Windows.Forms ;
 using System.IO ;
+using System.Collections.Generic ;
 using System.Diagnostics ;
 
 using log4net.Config ;
 
 // --------------------------------------------------------------------
 
-public static class Program
+public static partial class Program
 {
-    private class MyMessageFilter : IMessageFilter {
-        public bool PreFilterMessage( ref Message msg ) { return Program.preFilterMessage( ref msg ) ; }
-    }
 
     public const string APP_NAME = "ASL Charts" ;
     private static bool mIsMono ;
 
     private static string mBaseDir ;
+    private static string mResourcesDir ;
     private static string mDataDir ;
     private static JsonConfig mAppConfig = null ;
     private static JsonConfig mDataConfig = null ;
     private static JsonConfig mDebugConfig = null ;
     private static MainForm mMainForm = null ;
+    private static Dictionary< string, List<string> > mStartupMsgs = new Dictionary<string,List<string>>() ;
 
     [STAThread]
     static void Main( string[] args )
@@ -37,6 +37,11 @@ public static class Program
         if ( File.Exists( fname ) )
              XmlConfigurator.Configure( new FileInfo( fname ) ) ;
 
+        // locate the resources directory
+        mResourcesDir = Path.Combine( mBaseDir, "resources" ) ;
+        if ( ! Directory.Exists( mResourcesDir ) )
+            mResourcesDir = Path.Combine( mBaseDir, "../resources" ) ;
+
         // locate the data directory
         mDataDir = Path.Combine( mBaseDir , "data" ) ;
         if ( ! Directory.Exists( mDataDir ) ) {
@@ -78,14 +83,6 @@ public static class Program
         Application.Run( mMainForm ) ;
     }
 
-    public static bool preFilterMessage( ref Message msg )
-    {
-        // check if we should filter this message
-        if ( Program.mainForm.preFilterMessage( ref msg ) )
-            return true ;
-        return false ;
-    }
-
     public static void showInfoMsg( string msg ) { MessageBox.Show(msg,APP_NAME,MessageBoxButtons.OK,MessageBoxIcon.Information) ; }
     public static void showWarningMsg( string msg ) { MessageBox.Show(msg,APP_NAME,MessageBoxButtons.OK,MessageBoxIcon.Warning) ; }
     public static void showErrorMsg( string msg ) { MessageBox.Show(msg,APP_NAME,MessageBoxButtons.OK,MessageBoxIcon.Error) ; }
@@ -93,6 +90,8 @@ public static class Program
     public static bool isMono { get { return mIsMono ; } }
 
     public static MainForm mainForm { get { return mMainForm ; } }
+    public static string baseDir { get { return mBaseDir ; } }
+    public static string resourcesDir { get { return mResourcesDir ; } }
     public static JsonConfig appConfig { get { return mAppConfig ; } }
     public static JsonConfig dataConfig { get { return mDataConfig ; } }
     public static JsonConfig debugConfig { get { return mDebugConfig ; } }
diff --git a/src/Program2.cs b/src/Program2.cs
new file mode 100644
index 0000000..c3bed1d
--- /dev/null
+++ b/src/Program2.cs
@@ -0,0 +1,57 @@
+using System.Security ;
+using System.Text ;
+using System.Windows.Forms ;
+using System.Collections.Generic ;
+
+using log4net ;
+
+// --------------------------------------------------------------------
+
+public static partial class Program
+{
+
+    private class MyMessageFilter : IMessageFilter {
+        public bool PreFilterMessage( ref Message msg ) {
+            // check if we should filter this message
+            if ( Program.mainForm.preFilterMessage( ref msg ) )
+                return true ;
+            return false ;
+        }
+    }
+
+    public static void logStartupMsg( string key, string msg )
+    {
+        // log the startup message
+        List<string> msgs ;
+        if ( ! mStartupMsgs.TryGetValue( key, out msgs ) )
+            mStartupMsgs[key] = msgs = new List<string>() ;
+        msgs.Add( msg ) ;
+    }
+
+    public static string getStartupMsgs( string key, string caption )
+    {
+        // check if there were any startup messages of the specified type
+        List<string> msgs ;
+        if ( ! mStartupMsgs.TryGetValue( key, out msgs ) || msgs.Count == 0 )
+            return "" ;
+
+        // NOTE: WebBrowser isn't really available with Mono, so we just log startup messages normally.
+        ILog logger = LogManager.GetLogger( "startup" ) ;
+
+        // generate a report for the specified startup messages
+        StringBuilder buf = new StringBuilder() ;
+        if ( caption != "" ) {
+            buf.Append( caption ) ;
+            logger.Warn( caption ) ;
+        }
+        buf.Append( "<ul>" ) ;
+        foreach ( string msg in msgs ) {
+            buf.Append( "<li> " + SecurityElement.Escape(msg) ) ;
+            logger.Warn( (caption != "") ? $"- {msg}" : msg ) ;
+        }
+        buf.Append( "</ul>" ) ;
+
+        return buf.ToString() ;
+    }
+
+}