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added text files preview.

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morkt
2015-05-12 13:31:27 +04:00
parent d77e3f0b4c
commit b5fa9cc105
13 changed files with 451 additions and 53 deletions
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166
ImagePreview.cs
View File

@@ -2,7 +2,7 @@
//! \date Sun Jul 06 06:34:56 2014
//! \brief preview images.
//
// Copyright (C) 2014 by morkt
// Copyright (C) 2014-2015 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@@ -37,6 +37,10 @@ using System.Windows.Threading;
using GARbro.GUI.Strings;
using GARbro.GUI.Properties;
using GameRes;
using System.Text;
using System.Windows.Documents;
using System.Windows.Media;
using System.Globalization;
namespace GARbro.GUI
{
@@ -46,6 +50,29 @@ namespace GARbro.GUI
private PreviewFile m_current_preview = new PreviewFile();
private bool m_preview_pending = false;
private UIElement m_active_viewer;
public UIElement ActiveViewer
{
get { return m_active_viewer; }
set
{
if (value == m_active_viewer)
return;
m_active_viewer = value;
m_active_viewer.Visibility = Visibility.Visible;
bool exists = false;
foreach (var c in PreviewPane.Children.Cast<UIElement>())
{
if (c != m_active_viewer)
c.Visibility = Visibility.Collapsed;
else
exists = true;
}
if (!exists)
PreviewPane.Children.Add (m_active_viewer);
}
}
class PreviewFile
{
public string Path { get; set; }
@@ -66,6 +93,31 @@ namespace GARbro.GUI
if (m_preview_pending)
RefreshPreviewPane();
};
ActiveViewer = ImageView;
}
private IEnumerable<Encoding> m_encoding_list = GetEncodingList();
public IEnumerable<Encoding> TextEncodings { get { return m_encoding_list; } }
private static IEnumerable<Encoding> GetEncodingList ()
{
var list = new HashSet<Encoding>();
list.Add (Encoding.Default);
var oem = CultureInfo.CurrentCulture.TextInfo.OEMCodePage;
list.Add (Encoding.GetEncoding (oem));
list.Add (Encoding.GetEncoding (932));
list.Add (Encoding.UTF8);
list.Add (Encoding.Unicode);
list.Add (Encoding.BigEndianUnicode);
return list;
}
private void OnEncodingSelect (object sender, SelectionChangedEventArgs e)
{
var enc = this.EncodingChoice.SelectedItem as Encoding;
if (null == enc || null == CurrentTextInput)
return;
TextView.CurrentEncoding = enc;
}
/// <summary>
@@ -85,43 +137,110 @@ namespace GARbro.GUI
if (null != current)
UpdatePreviewPane (current.Source);
else
PreviewPane.Source = null;
ResetPreviewPane();
}
void ResetPreviewPane ()
{
ActiveViewer = ImageView;
ImageCanvas.Source = null;
TextView.Clear();
CurrentTextInput = null;
}
bool IsPreviewPossible (Entry entry)
{
return "image" == entry.Type || "script" == entry.Type
|| (string.IsNullOrEmpty (entry.Type) && entry.Size < 0x100000);
}
void UpdatePreviewPane (Entry entry)
{
SetStatusText ("");
var vm = ViewModel;
m_current_preview = new PreviewFile { Path = vm.Path, Name = entry.Name };
PreviewPane.Source = null;
if (entry.Type != "image")
return;
if (vm.IsArchive)
m_current_preview = new PreviewFile { Path = vm.Path, Name = entry.Name, Entry = entry };
ImageCanvas.Source = null;
TextView.Clear();
if (!IsPreviewPossible (entry))
{
m_current_preview.Archive = m_app.CurrentArchive;
m_current_preview.Entry = entry;
ActiveViewer = ImageView;
return;
}
if (!m_preview_worker.IsBusy)
if (vm.IsArchive)
m_current_preview.Archive = m_app.CurrentArchive;
if ("image" != entry.Type)
LoadPreviewText (m_current_preview);
else if (!m_preview_worker.IsBusy)
m_preview_worker.RunWorkerAsync (m_current_preview);
else
m_preview_pending = true;
}
private Stream m_current_text;
private Stream CurrentTextInput
{
get { return m_current_text; }
set
{
if (value == m_current_text)
return;
if (null != m_current_text)
m_current_text.Dispose();
m_current_text = value;
}
}
Stream OpenPreviewStream (PreviewFile preview)
{
if (null == preview.Archive)
{
string filename = Path.Combine (preview.Path, preview.Name);
return File.OpenRead (filename);
}
else
{
return preview.Archive.OpenEntry (preview.Entry);
}
}
void LoadPreviewText (PreviewFile preview)
{
Stream file = null;
try
{
file = OpenPreviewStream (preview);
if (!TextView.IsTextFile (file))
{
ActiveViewer = ImageView;
return;
}
var enc = EncodingChoice.SelectedItem as Encoding;
if (null == enc)
{
enc = TextView.GuessEncoding (file);
EncodingChoice.SelectedItem = enc;
}
TextView.DisplayStream (file, enc);
ActiveViewer = TextView;
CurrentTextInput = file;
file = null;
}
catch (Exception X)
{
SetStatusText (X.Message);
}
finally
{
if (file != null)
file.Dispose();
}
}
void LoadPreviewImage (PreviewFile preview)
{
try
{
Stream file;
if (null == preview.Archive)
{
string filename = Path.Combine (preview.Path, preview.Name);
file = new FileStream (filename, FileMode.Open, FileAccess.Read);
}
else
{
file = preview.Archive.OpenEntry (preview.Entry);
}
using (file)
using (var file = OpenPreviewStream (preview))
{
var data = ImageFormat.Read (file);
if (null != data)
@@ -153,7 +272,8 @@ namespace GARbro.GUI
{
if (m_current_preview == preview) // compare by reference
{
PreviewPane.Source = bitmap;
ActiveViewer = ImageView;
ImageCanvas.Source = bitmap;
SetStatusText (string.Format (guiStrings.MsgImageSize, bitmap.PixelWidth,
bitmap.PixelHeight, bitmap.Format.BitsPerPixel));
}
@@ -165,7 +285,7 @@ namespace GARbro.GUI
/// </summary>
private void FitWindowExec (object sender, ExecutedRoutedEventArgs e)
{
var image = PreviewPane.Source;
var image = ImageCanvas.Source;
if (null == image)
return;
var width = image.Width + Settings.Default.lvPanelWidth.Value + 1;