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error handling for theme loader

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This commit is contained in:
jhdxr 2018-12-23 01:53:13 +08:00
parent 580c2b9e84
commit 0baf7744bc
3 changed files with 32 additions and 24 deletions
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52
Wox.Core/Resource/Theme.cs
View File

@ -6,6 +6,7 @@ using System.Runtime.InteropServices;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Interop;
using System.Windows.Markup;
using System.Windows.Media;
using Wox.Infrastructure;
using Wox.Infrastructure.Logger;
@ -62,47 +63,50 @@ namespace Wox.Core.Resource
}
}
public void ChangeTheme(string theme)
public bool ChangeTheme(string theme)
{
const string dark = "Dark";
bool valid;
const string defaultTheme = "Dark";
string path = GetThemePath(theme);
if (string.IsNullOrEmpty(path))
try
{
Log.Error($"|Theme.ChangeTheme|Theme path can't be found <{path}>, use default dark theme");
path = GetThemePath(dark);
if (string.IsNullOrEmpty(path))
{
valid = false;
Log.Error($"|Theme.ChangeTheme|Default theme path can't be found <{path}>");
}
else
{
valid = true;
theme = dark;
}
}
else
{
valid = true;
}
throw new DirectoryNotFoundException("Theme path can't be found <{path}>");
if (valid)
{
Settings.Theme = theme;
var dicts = Application.Current.Resources.MergedDictionaries;
if (_oldTheme != theme)
//always allow re-loading default theme, in case of failure of switching to a new theme from default theme
if (_oldTheme != theme || theme == defaultTheme)
{
dicts.Remove(_oldResource);
//fixme if something goes wrong here
var newResource = GetResourceDictionary();
dicts.Add(newResource);
_oldResource = newResource;
_oldTheme = Path.GetFileNameWithoutExtension(_oldResource.Source.AbsolutePath);
}
}
catch (DirectoryNotFoundException e)
{
Log.Error($"|Theme.ChangeTheme|Theme <{theme}> path can't be found");
if (theme != defaultTheme)
{
MessageBox.Show(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_path_not_exists"), theme));
ChangeTheme(defaultTheme);
}
return false;
}
catch (XamlParseException e)
{
Log.Error($"|Theme.ChangeTheme|Theme <{theme}> fail to parse");
if (theme != defaultTheme)
{
MessageBox.Show(string.Format(InternationalizationManager.Instance.GetTranslation("theme_load_failure_parse_error"), theme));
ChangeTheme(defaultTheme);
}
return false;
}
return true;
}
public ResourceDictionary GetResourceDictionary()

2
Wox/Languages/en.xaml
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@ -52,6 +52,8 @@
<system:String x:Key="resultItemFont">Result Item Font</system:String>
<system:String x:Key="windowMode">Window Mode</system:String>
<system:String x:Key="opacity">Opacity</system:String>
<system:String x:Key="theme_load_failure_path_not_exists">Theme {0} not exists, fallback to default theme</system:String>
<system:String x:Key="theme_load_failure_parse_error">Fail to load theme {0}, fallback to default theme</system:String>
<!--Setting Hotkey-->
<system:String x:Key="hotkey">Hotkey</system:String>

2
Wox/Languages/zh-cn.xaml
View File

@ -52,6 +52,8 @@
<system:String x:Key="resultItemFont">结果项字体</system:String>
<system:String x:Key="windowMode">窗口模式</system:String>
<system:String x:Key="opacity">透明度</system:String>
<system:String x:Key="theme_load_failure_path_not_exists">无法找到主题 {0} ，切换为默认主题</system:String>
<system:String x:Key="theme_load_failure_parse_error">无法加载主题 {0} ，切换为默认主题</system:String>
<!--设置，热键-->
<system:String x:Key="hotkey">热键</system:String>