GARbro-mirror/GUI/ViewModel.cs

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2016-01-07 23:06:08 +08:00
//! \file ViewModel.cs
//! \date Wed Jul 02 07:29:11 2014
//! \brief GARbro directory list.
//
// Copyright (C) 2014 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
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.IO;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Text.RegularExpressions;
using System.Globalization;
using System.Windows.Data;
using GameRes;
using GARbro.GUI.Strings;
namespace GARbro.GUI
{
public class DirectoryViewModel : ObservableCollection<EntryViewModel>
{
public IReadOnlyList<string> Path { get; private set; }
public IEnumerable<Entry> Source { get; private set; }
public bool IsArchive { get; private set; }
public DirectoryViewModel (IEnumerable<string> path, IEnumerable<Entry> filelist, bool is_archive)
{
Path = path.ToList();
Source = filelist;
IsArchive = is_archive;
ImportFromSource();
}
protected void ImportFromSource ()
{
var last_dir = Path.Last();
if (IsArchive || !string.IsNullOrEmpty (last_dir) && null != Directory.GetParent (last_dir))
{
Add (new EntryViewModel (new SubDirEntry (".."), -2));
}
foreach (var entry in Source)
{
int prio = entry is SubDirEntry ? -1 : 0;
Add (new EntryViewModel (entry, prio));
}
}
public EntryViewModel Find (string name)
{
return this.FirstOrDefault (e => e.Name.Equals (name, StringComparison.InvariantCultureIgnoreCase));
}
}
public class EntryViewModel : INotifyPropertyChanged
{
public EntryViewModel (Entry entry, int priority)
{
Source = entry;
Name = SafeGetFileName (entry.Name);
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Priority = priority;
}
static char[] SeparatorCharacters = { '\\', '/', ':' };
/// <summary>
/// Same as Path.GetFileName, but ignores invalid charactes
/// </summary>
string SafeGetFileName (string filename)
{
var name_start = filename.LastIndexOfAny (SeparatorCharacters);
if (-1 == name_start)
return filename;
return filename.Substring (name_start+1);
}
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public event PropertyChangedEventHandler PropertyChanged;
public Entry Source { get; private set; }
public string Name { get; private set; }
public string Type
{
get { return Source.Type; }
set
{
if (Source.Type != value)
{
Source.Type = value;
OnPropertyChanged ("Type");
}
}
}
public uint? Size { get { return IsDirectory ? null : (uint?)Source.Size; } }
public int Priority { get; private set; }
public bool IsDirectory { get { return Priority < 0; } }
private void OnPropertyChanged (string property = "")
{
if (PropertyChanged != null)
{
PropertyChanged (this, new PropertyChangedEventArgs (property));
}
}
}
public sealed class FileSystemComparer : IComparer
{
private string m_property;
private int m_direction;
private static Comparer s_default_comparer = new Comparer (CultureInfo.CurrentUICulture);
public FileSystemComparer (string property, ListSortDirection direction)
{
m_property = property;
m_direction = direction == ListSortDirection.Ascending ? 1 : -1;
}
public int Compare (object a, object b)
{
var v_a = a as EntryViewModel;
var v_b = b as EntryViewModel;
if (null == v_a || null == v_b)
return s_default_comparer.Compare (a, b) * m_direction;
if (v_a.Priority < v_b.Priority)
return -1;
if (v_a.Priority > v_b.Priority)
return 1;
if (string.IsNullOrEmpty (m_property))
return 0;
int order;
if (m_property != "Name")
{
if ("Type" == m_property)
{
// empty strings placed in the end
if (string.IsNullOrEmpty (v_a.Type))
order = string.IsNullOrEmpty (v_b.Type) ? 0 : m_direction;
else if (string.IsNullOrEmpty (v_b.Type))
order = -m_direction;
else
order = string.Compare (v_a.Type, v_b.Type, true) * m_direction;
}
else
{
var prop_a = a.GetType ().GetProperty (m_property).GetValue (a);
var prop_b = b.GetType ().GetProperty (m_property).GetValue (b);
order = s_default_comparer.Compare (prop_a, prop_b) * m_direction;
}
if (0 == order)
order = CompareNames (v_a.Name, v_b.Name);
}
else
order = CompareNames (v_a.Name, v_b.Name) * m_direction;
return order;
}
static int CompareNames (string a, string b)
{
// return NativeMethods.StrCmpLogicalW (a, b);
return string.Compare (a, b, StringComparison.CurrentCultureIgnoreCase);
}
}
/// <summary>
/// Image format model for formats drop-down list widgets.
/// </summary>
public class ImageFormatModel
{
public ImageFormat Source { get; private set; }
public string Tag {
get { return null != Source ? Source.Tag : guiStrings.TextAsIs; }
}
public ImageFormatModel (ImageFormat impl = null)
{
Source = impl;
}
}
/// <summary>
/// Stores current position within directory view model.
/// </summary>
public class DirectoryPosition
{
public IEnumerable<string> Path { get; set; }
public string Item { get; set; }
public DirectoryPosition (DirectoryViewModel vm, EntryViewModel item)
{
Path = vm.Path;
Item = null != item ? item.Name : null;
}
public DirectoryPosition (string filename)
{
Path = new string[] { System.IO.Path.GetDirectoryName (filename) };
Item = System.IO.Path.GetFileName (filename);
}
}
public class EntryTypeConverter : IValueConverter
{
public object Convert (object value, Type targetType, object parameter, CultureInfo culture)
{
var type = value as string;
if (!string.IsNullOrEmpty (type))
{
var translation = guiStrings.ResourceManager.GetString ("Type_"+type, guiStrings.Culture);
if (!string.IsNullOrEmpty (translation))
return translation;
}
return value;
}
public object ConvertBack (object value, Type targetType, object parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}