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//
// ISelectFileDialog.cs
//
// Author:
// Lluis Sanchez Gual <lluis@novell.com>
//
// Copyright (c) 2010 Novell, Inc (http://www.novell.com)
//
// 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.Collections.Generic;
using System.Linq;
using MonoDevelop.Core;
using MonoDevelop.Ide;
using Mono.Addins;
namespace MonoDevelop.Components.Extensions
{
/// <summary>
/// This interface can be implemented to provide a custom implementation
/// for the SelectFileDialog dialog.
/// </summary>
public interface ISelectFileDialogHandler : IDialogHandler<SelectFileDialogData>
{
}
/// <summary>
/// Data for the ISelectFileDialogHandler implementation
/// </summary>
public class SelectFileDialogData: PlatformDialogData
{
public SelectFileDialogData () {
FilterSet = new FileFilterSet ();
}
internal FileFilterSet FilterSet { get; set; }
public FileChooserAction Action { get; set; }
public IList<SelectFileDialogFilter> Filters { get { return FilterSet.Filters; } }
public FilePath CurrentFolder { get; set; }
public bool SelectMultiple { get; set; }
public FilePath[] SelectedFiles { get; set; }
public string InitialFileName { get; set; }
public SelectFileDialogFilter DefaultFilter {
get { return FilterSet.DefaultFilter; }
set { FilterSet.DefaultFilter = value; }
}
public bool ShowHidden { get; set; }
}
/// <summary>
/// Filter option to be displayed in file selector dialogs.
/// </summary>
public class SelectFileDialogFilter
{
public SelectFileDialogFilter (string name, params string[] patterns)
{
this.Name = name;
this.Patterns = patterns;
}
public SelectFileDialogFilter (string name, IList<string> patterns, IList<string> mimetypes)
{
this.Name = name;
this.Patterns = patterns;
this.MimeTypes = mimetypes;
}
/// <summary>Label for the filter</summary>
public string Name { get; private set; }
/// <summary>Filename glob patterns permitted by this filter</summary>
public IList<string> Patterns { get; private set; }
/// <summary>MIME types permitted by this filter</summary>
public IList<string> MimeTypes { get; private set; }
public static SelectFileDialogFilter AllFiles {
get {
return new SelectFileDialogFilter (GettextCatalog.GetString ("All Files"), "*");
}
}
}
/// <summary>
/// Generic class to be used to implement file selectors.
/// The T type argument is the type of the handler.
/// The U type is the type of the data parameter (must subclass SelectFileDialogData)
/// </summary>
public abstract class SelectFileDialog<T>: PlatformDialog<T> where T:SelectFileDialogData, new()
{
/// <summary>
/// Action to perform with the file dialog.
/// </summary>
public FileChooserAction Action {
get { return data.Action; }
set { data.Action = value; }
}
/// <summary>
/// Folder to show by default.
/// </summary>
public FilePath CurrentFolder {
get { return data.CurrentFolder; }
set { data.CurrentFolder = value; }
}
/// <summary>
/// Set to True to allow multiple selection.
/// </summary>
public bool SelectMultiple {
get { return data.SelectMultiple; }
set { data.SelectMultiple = value; }
}
/// <summary>
/// List of selected files (or folders).
/// </summary>
public FilePath[] SelectedFiles {
get { return data.SelectedFiles; }
}
/// <summary>
/// Selected file (or folder) when using single selection mode.
/// </summary>
public FilePath SelectedFile {
get { return data.SelectedFiles.Length > 0 ? data.SelectedFiles [0] : null; }
}
/// <summary>
/// File name to show by default.
/// </summary>
public string InitialFileName {
get { return data.InitialFileName; }
set { data.InitialFileName = value; }
}
/// <summary>
/// File filters that allow the user to choose the kinds of files the dialog displays.
/// </summary>
public IList<SelectFileDialogFilter> Filters {
get { return data.Filters; }
}
/// <summary>
/// The default file filter. If there is only one, the user will not have a choice of file types.
/// </summary>
public SelectFileDialogFilter DefaultFilter {
get { return data.DefaultFilter; }
set { data.DefaultFilter = value; }
}
/// <summary>
/// Gets or sets whether the file dialog will show hidden files and folders.
/// show hidden.
/// </summary>
/// <value><c>true</c> if hidden files are shown; otherwise, <c>false</c>.</value>
public bool ShowHidden {
get { return data.ShowHidden; }
set { data.ShowHidden = value; }
}
#region File filter utilities
internal void SetFilters (FileFilterSet filters)
{
data.FilterSet = filters;
}
public SelectFileDialogFilter AddFilter (string label, params string[] patterns)
{
return data.FilterSet.AddFilter (label, patterns);
}
public SelectFileDialogFilter AddFilter (SelectFileDialogFilter filter)
{
return data.FilterSet.AddFilter (filter);
}
public SelectFileDialogFilter AddAllFilesFilter ()
{
return data.FilterSet.AddAllFilesFilter ();
}
public bool HasFilters {
get {
return data.FilterSet.HasFilters;
}
}
/// <summary>
/// Adds the default file filters registered by MD core and addins. Includes the All Files filter.
/// </summary>
public void AddDefaultFileFilters ()
{
data.FilterSet.AddDefaultFileFilters ();
}
///<summary>Saves last default filter to MD prefs, if necessary</summary>
protected void SaveDefaultFilter ()
{
data.FilterSet.SaveDefaultFilter ();
}
void SetGtkFileFilters (FileSelector fdiag)
{
var list = new List<Gtk.FileFilter> ();
Gtk.FileFilter defaultGtkFilter = null;
foreach (var filter in data.Filters) {
var gf = new Gtk.FileFilter ();
if (!string.IsNullOrEmpty (filter.Name))
gf.Name = filter.Name;
if (filter.Patterns != null)
foreach (var pattern in filter.Patterns)
gf.AddPattern (pattern);
if (filter.MimeTypes != null)
foreach (var mimetype in filter.MimeTypes)
gf.AddMimeType (mimetype);
list.Add (gf);
if (filter == DefaultFilter)
defaultGtkFilter = gf;
}
foreach (var filter in list)
fdiag.AddFilter (filter);
if (defaultGtkFilter != null)
fdiag.Filter = defaultGtkFilter;
fdiag.Destroyed += CaptureDefaultFilter;
}
[GLib.ConnectBefore]
void CaptureDefaultFilter (object sender, EventArgs e)
{
FileSelector fsel = (FileSelector) sender;
if (fsel.Filter == null)
return;
var name = fsel.Filter.Name;
foreach (var filter in data.Filters) {
if (filter.Name == name) {
data.DefaultFilter = filter;
return;
}
}
}
#endregion
/// <summary>
/// Utility method to populate a GTK FileSelector from the data properties.
/// </summary>
internal void SetDefaultProperties (FileSelector fdiag)
{
fdiag.Title = Title;
fdiag.Action = Action.ToGtkAction ();
fdiag.LocalOnly = true;
fdiag.SelectMultiple = SelectMultiple;
fdiag.TransientFor = TransientFor;
if (!CurrentFolder.IsNullOrEmpty)
fdiag.SetCurrentFolder (CurrentFolder);
if (!string.IsNullOrEmpty (InitialFileName))
fdiag.CurrentName = InitialFileName;
if (!CurrentFolder.IsNullOrEmpty && !string.IsNullOrEmpty (InitialFileName)) {
var checkName = data.CurrentFolder.Combine (InitialFileName);
if (System.IO.File.Exists (checkName))
fdiag.SetFilename (checkName);
}
SetGtkFileFilters (fdiag);
}
internal void GetDefaultProperties (FileSelector fdiag)
{
data.SelectedFiles = fdiag.Filenames.ToFilePathArray ();
var currentFilter = fdiag.Filter;
if (currentFilter != null) {
var name = fdiag.Filter.Name;
var def = data.Filters.FirstOrDefault (f => f.Name == name);
if (def != null)
DefaultFilter = def;
}
}
public override bool Run ()
{
if (!HasFilters)
AddDefaultFileFilters ();
bool success = base.Run ();
if (success)
SaveDefaultFilter ();
return success;
}
/// <summary>Runs the default implementation of the dialog.</summary>
protected override bool RunDefault ()
{
var fdiag = new FileSelector ();
SetDefaultProperties (fdiag);
try {
int result = MessageService.RunCustomDialog (fdiag, data.TransientFor ?? MessageService.RootWindow);
GetDefaultProperties (fdiag);
return result == (int) Gtk.ResponseType.Ok;
} finally {
fdiag.Destroy ();
fdiag.Dispose ();
}
}
}
}
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