private static bool UserFindFile(Uri uri, out Uri newUri, SelectFileFilterOptions options)
{
newUri = uri;
var dlg = new OpenFileDialog
{
CheckFileExists = true,
CheckPathExists = true,
Multiselect = false,
Title = string.Format(
"Find or Replace {0}",
Path.GetFileName(uri.LocalPath))
};
if (options == SelectFileFilterOptions.ExactMatch)
{
string fileName = Path.GetFileName(uri.LocalPath);
dlg.Filter = fileName + "|" + fileName;
}
else if (options == SelectFileFilterOptions.ExtensionMatch)
{
string extension = Path.GetExtension(uri.LocalPath);
dlg.Filter = extension + "|" + extension;
}
if (dlg.ShowDialog(DialogUtils.GetActiveWindow()) == true)
{
newUri = new Uri(dlg.FileName);
s_localPathMap.Add(uri.LocalPath, newUri);
return(true);
}
return(false);
}
private static bool UserFindFile(Uri uri, out Uri newUri, SelectFileFilterOptions options)
{
newUri = uri;
var dlg = new OpenFileDialog
{
CheckFileExists = true,
CheckPathExists = true,
Multiselect = false,
Title = string.Format(
"Find or Replace {0}",
Path.GetFileName(uri.LocalPath))
};
if (options == SelectFileFilterOptions.ExactMatch)
{
string fileName = Path.GetFileName(uri.LocalPath);
dlg.Filter = fileName + "|" + fileName;
}
else if (options == SelectFileFilterOptions.ExtensionMatch)
{
string extension = Path.GetExtension(uri.LocalPath);
dlg.Filter = extension + "|" + extension;
}
if (dlg.ShowDialog(DialogUtils.GetActiveWindow()) == true)
{
newUri = new Uri(dlg.FileName);
s_localPathMap.Add(uri.LocalPath, newUri);
return true;
}
return false;
}
// Implements interactive portions of Find(), but is called from a separate thread to
// avoid recursion due to the dialog boxes.
private static bool? QueryUser(Uri uri, Uri suggestedUri, out Uri newUri, SelectFileFilterOptions options)
{
// If the user cancels a sub-dialog box, reopen the first dialog box.
while (true)
{
// Ask the user what we should do.
// There are a two fewer options and slightly reorganized dialog box if there
// is no suggested replacement for the missing file.
var vm = new FindFileDialogViewModel()
{
Action = s_lastAction,
OriginalPath = uri.LocalPath,
SuggestedPath = suggestedUri != null ? suggestedUri.LocalPath : null,
};
bool? res = DialogUtils.ShowDialogWithViewModel<FindFileDialog>(vm);
s_lastAction = res == false ? FindFileAction.Quit : vm.Action;
switch (s_lastAction)
{
case FindFileAction.AcceptSuggestion:
newUri = suggestedUri;
return true;
case FindFileAction.AcceptAllSuggestions:
newUri = suggestedUri;
return true;
case FindFileAction.SearchDirectory:
if (SearchForFile(uri, out newUri, true))
return true;
continue;
case FindFileAction.SearchDirectoryForAll:
if (SearchForFile(uri, out newUri, false))
return true;
continue;
case FindFileAction.UserSpecify:
if (UserFindFile(uri, out newUri, options))
return true;
continue;
case FindFileAction.Ignore:
newUri = uri;
return false;
case FindFileAction.IgnoreAll:
newUri = uri;
return false;
case FindFileAction.Quit:
newUri = uri;
return null;
}
throw new InvalidOperationException("unhandled FindFileAction enum");
}
}
/// <summary>
/// Attempts to find the file specified by the given uri. A new replacement uri may be
/// created, based on a user's decisions.</summary>
/// <param name="uri">The uri to find, which may or may not be valid. It must not be null.</param>
/// <param name="newUri">Will either be 'uri' or a new valid uri. It will not be set to null.</param>
/// <returns>true if 'uri' exists or if a new uri was found. Otherwise, false.</returns>
public static bool? Find(Uri uri, out Uri newUri, SelectFileFilterOptions options)
{
bool? result = false;
lock (s_lockObject)
{
// Default new uri.
newUri = uri;
// Check for an exact match that the user has already made. This is very fast, so might
// as well do this first.
Uri mappedUri;
if (s_localPathMap.TryGetValue(uri.LocalPath, out mappedUri))
{
newUri = mappedUri;
return true;
}
// Check if 'uri' is valid as-is.
if (File.Exists(uri.LocalPath))
return true;
// Then check if we can automatically correct the uri based on directory mapping.
Uri suggestedUri = FindSuggestion(uri);
bool accept = s_lastAction == FindFileAction.AcceptAllSuggestions
|| s_lastAction == FindFileAction.SearchDirectoryForAll
|| s_lastAction == FindFileAction.IgnoreAll;
if (suggestedUri != null && accept)
{
newUri = suggestedUri;
return true;
}
// Check if we can automatically do a file search.
if (s_lastAction == FindFileAction.SearchDirectoryForAll ||
s_lastAction == FindFileAction.IgnoreAll)
{
bool fileFound = false;
Uri foundUri = null;
Application.Current.Dispatcher.Invoke((Action)(() =>
{
fileFound = SearchForFile(uri, out foundUri, false);
}));
if (fileFound)
{
newUri = foundUri;
return true;
}
}
if (s_lastAction != FindFileAction.IgnoreAll)
{
Uri tempUri = null;
Application.Current.Dispatcher.Invoke((Action)(() =>
{
result = QueryUser(uri, suggestedUri, out tempUri, options);
}));
newUri = tempUri;
}
}
return result;
}
// Implements interactive portions of Find(), but is called from a separate thread to
// avoid recursion due to the dialog boxes.
private static bool?QueryUser(Uri uri, Uri suggestedUri, out Uri newUri, SelectFileFilterOptions options)
{
// If the user cancels a sub-dialog box, reopen the first dialog box.
while (true)
{
// Ask the user what we should do.
// There are a two fewer options and slightly reorganized dialog box if there
// is no suggested replacement for the missing file.
var vm = new FindFileDialogViewModel()
{
Action = s_lastAction,
OriginalPath = uri.LocalPath,
SuggestedPath = suggestedUri != null ? suggestedUri.LocalPath : null,
};
bool?res = DialogUtils.ShowDialogWithViewModel <FindFileDialog>(vm);
s_lastAction = res == false ? FindFileAction.Quit : vm.Action;
switch (s_lastAction)
{
case FindFileAction.AcceptSuggestion:
newUri = suggestedUri;
return(true);
case FindFileAction.AcceptAllSuggestions:
newUri = suggestedUri;
return(true);
case FindFileAction.SearchDirectory:
if (SearchForFile(uri, out newUri, true))
{
return(true);
}
continue;
case FindFileAction.SearchDirectoryForAll:
if (SearchForFile(uri, out newUri, false))
{
return(true);
}
continue;
case FindFileAction.UserSpecify:
if (UserFindFile(uri, out newUri, options))
{
return(true);
}
continue;
case FindFileAction.Ignore:
newUri = uri;
return(false);
case FindFileAction.IgnoreAll:
newUri = uri;
return(false);
case FindFileAction.Quit:
newUri = uri;
return(null);
}
throw new InvalidOperationException("unhandled FindFileAction enum");
}
}
/// <summary>
/// Attempts to find the file specified by the given uri. A new replacement uri may be
/// created, based on a user's decisions.</summary>
/// <param name="uri">The uri to find, which may or may not be valid. It must not be null.</param>
/// <param name="newUri">Will either be 'uri' or a new valid uri. It will not be set to null.</param>
/// <returns>true if 'uri' exists or if a new uri was found. Otherwise, false.</returns>
public static bool?Find(Uri uri, out Uri newUri, SelectFileFilterOptions options)
{
bool?result = false;
lock (s_lockObject)
{
// Default new uri.
newUri = uri;
// Check for an exact match that the user has already made. This is very fast, so might
// as well do this first.
Uri mappedUri;
if (s_localPathMap.TryGetValue(uri.LocalPath, out mappedUri))
{
newUri = mappedUri;
return(true);
}
// Check if 'uri' is valid as-is.
if (File.Exists(uri.LocalPath))
{
return(true);
}
// Then check if we can automatically correct the uri based on directory mapping.
Uri suggestedUri = FindSuggestion(uri);
bool accept = s_lastAction == FindFileAction.AcceptAllSuggestions ||
s_lastAction == FindFileAction.SearchDirectoryForAll ||
s_lastAction == FindFileAction.IgnoreAll;
if (suggestedUri != null && accept)
{
newUri = suggestedUri;
return(true);
}
// Check if we can automatically do a file search.
if (s_lastAction == FindFileAction.SearchDirectoryForAll ||
s_lastAction == FindFileAction.IgnoreAll)
{
bool fileFound = false;
Uri foundUri = null;
Application.Current.Dispatcher.Invoke((Action)(() =>
{
fileFound = SearchForFile(uri, out foundUri, false);
}));
if (fileFound)
{
newUri = foundUri;
return(true);
}
}
if (s_lastAction != FindFileAction.IgnoreAll)
{
Uri tempUri = null;
Application.Current.Dispatcher.Invoke((Action)(() =>
{
result = QueryUser(uri, suggestedUri, out tempUri, options);
}));
newUri = tempUri;
}
}
return(result);
}
