diff options
Diffstat (limited to 'mcs/class/Managed.Windows.Forms/System.Windows.Forms/FolderBrowserDialog.cs')
| -rw-r--r-- | mcs/class/Managed.Windows.Forms/System.Windows.Forms/FolderBrowserDialog.cs | 442 |
1 files changed, 442 insertions, 0 deletions
diff --git a/mcs/class/Managed.Windows.Forms/System.Windows.Forms/FolderBrowserDialog.cs b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/FolderBrowserDialog.cs new file mode 100644 index 00000000000..9ccc5954d4c --- /dev/null +++ b/mcs/class/Managed.Windows.Forms/System.Windows.Forms/FolderBrowserDialog.cs @@ -0,0 +1,442 @@ +// 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. +// +// Copyright (c) 2005-2006 Novell, Inc. (http://www.novell.com) +// +// Authors: +// Alexander Olk (xenomorph2@onlinehome.de) +// +// + +// NOT COMPLETE +// TODO: +// - create new folder if NewFolderButton is pressed +// - better handling of Environment.SpecialFolders +// - fix: if SelectedPath != "" and it is beyond RootFolder then show it (currently TreeNode.EnsureVisible() is missing...) + +using System; +using System.Drawing; +using System.ComponentModel; +using System.Resources; +using System.IO; +using System.Collections; + +namespace System.Windows.Forms +{ + [DefaultEvent("HelpRequest")] + [DefaultProperty("SelectedPath")] + [Designer("System.Windows.Forms.Design.FolderBrowserDialogDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")] + public sealed class FolderBrowserDialog : CommonDialog + { + #region Local Variables + private string description = ""; + private Environment.SpecialFolder rootFolder = Environment.SpecialFolder.Desktop; + private string selectedPath = ""; + private bool showNewFolderButton = true; + + #endregion // Local Variables + + #region Public Constructors + public FolderBrowserDialog( ) + { + form = new FolderBrowserDialogForm( this ); + form.Size = new Size( 322, 288 ); + form.MinimumSize = new Size( 322, 288 ); + form.Text = "Search Folder"; + } + #endregion // Public Constructors + + #region Public Instance Properties + [Browsable(true)] + [DefaultValue("")] + [Localizable(true)] + public string Description + { + set + { + description = value; + } + + get + { + return description; + } + } + + [Browsable(true)] + [DefaultValue(Environment.SpecialFolder.Desktop)] + [Localizable(false)] + public Environment.SpecialFolder RootFolder + { + set + { + rootFolder = value; + } + + get + { + return rootFolder; + } + } + + [Browsable(true)] + [DefaultValue("")] + [Editor("System.Windows.Forms.Design.SelectedPathEditor, " + Consts.AssemblySystem_Design, typeof(System.Drawing.Design.UITypeEditor))] + [Localizable(true)] + public string SelectedPath + { + set + { + selectedPath = value; + } + + get + { + return selectedPath; + } + } + + [Browsable(true)] + [DefaultValue(true)] + [Localizable(false)] + public bool ShowNewFolderButton + { + set + { + showNewFolderButton = value; + } + + get + { + return showNewFolderButton; + } + } + #endregion // Public Instance Properties + + #region Public Instance Methods + public override void Reset( ) + { + description = ""; + rootFolder = Environment.SpecialFolder.Desktop; + selectedPath = ""; + showNewFolderButton = true; + } + + protected override bool RunDialog( IntPtr hwndOwner ) + { + FolderBrowserDialogPanel fb = new FolderBrowserDialogPanel (this); + form.Controls.Add (fb); + return true; + } + #endregion // Public Instance Methods + + #region Internal Methods + internal class FolderBrowserDialogForm : DialogForm + { + internal FolderBrowserDialogForm( CommonDialog owner ) + : base( owner ) + {} + + protected override CreateParams CreateParams + { + get + { + CreateParams cp; + + ControlBox = true; + MinimizeBox = false; + MaximizeBox = false; + + cp = base.CreateParams; + cp.Style = (int)( WindowStyles.WS_POPUP | WindowStyles.WS_CAPTION | WindowStyles.WS_SYSMENU | WindowStyles.WS_CLIPCHILDREN | WindowStyles.WS_CLIPSIBLINGS ); + cp.Style |= (int)WindowStyles.WS_OVERLAPPEDWINDOW; + + if (!is_enabled) { + cp.Style |= (int)(WindowStyles.WS_DISABLED); + } + + return cp; + } + } + } + + internal class FolderBrowserDialogPanel : Panel + { + private Label descriptionLabel; + private Button cancelButton; + private Button okButton; + private TreeView folderBrowserTreeView; + private Button newFolderButton; + + private FolderBrowserDialog folderBrowserDialog; + private string selectedPath; + + private ImageList imageList; + private TreeNode selectedPathNode = null; + private TreeNode root_node; + + public FolderBrowserDialogPanel (FolderBrowserDialog folderBrowserDialog) + { + this.folderBrowserDialog = folderBrowserDialog; + + newFolderButton = new Button( ); + folderBrowserTreeView = new TreeView( ); + okButton = new Button( ); + cancelButton = new Button( ); + descriptionLabel = new Label( ); + + imageList = new ImageList( ); + + folderBrowserDialog.form.AcceptButton = okButton; + folderBrowserDialog.form.CancelButton = cancelButton; + + SuspendLayout( ); + + // descriptionLabel + descriptionLabel.Anchor = ( (AnchorStyles)( ( ( AnchorStyles.Top | AnchorStyles.Left ) + | AnchorStyles.Right ) ) ); + descriptionLabel.Location = new Point( 17, 14 ); + descriptionLabel.Size = new Size( 290, 40 ); + descriptionLabel.TabIndex = 0; + descriptionLabel.Text = folderBrowserDialog.Description; + + // folderBrowserTreeView + folderBrowserTreeView.Anchor = ( (AnchorStyles)( ( ( ( AnchorStyles.Top | AnchorStyles.Bottom ) + | AnchorStyles.Left ) + | AnchorStyles.Right ) ) ); + folderBrowserTreeView.ImageIndex = -1; + folderBrowserTreeView.Location = new Point( 20, 61 ); + folderBrowserTreeView.SelectedImageIndex = -1; + folderBrowserTreeView.Size = new Size( 278, 153 ); + folderBrowserTreeView.TabIndex = 1; + folderBrowserTreeView.ImageList = imageList; + folderBrowserTreeView.ShowLines = false; + folderBrowserTreeView.ShowPlusMinus = true; + folderBrowserTreeView.HotTracking = true; + //folderBrowserTreeView.Indent = 2; + + // newFolderButton + newFolderButton.Anchor = ( (AnchorStyles)( ( AnchorStyles.Bottom | AnchorStyles.Left ) ) ); + newFolderButton.FlatStyle = FlatStyle.System; + newFolderButton.Location = new Point( 14, 230 ); + newFolderButton.Size = new Size( 125, 23 ); + newFolderButton.TabIndex = 2; + newFolderButton.Text = "New Folder"; + newFolderButton.Enabled = folderBrowserDialog.ShowNewFolderButton; + + // okButton + okButton.Anchor = ( (AnchorStyles)( ( AnchorStyles.Bottom | AnchorStyles.Right ) ) ); + okButton.FlatStyle = FlatStyle.System; + okButton.Location = new Point( 142, 230 ); + okButton.Size = new Size( 80, 23 ); + okButton.TabIndex = 3; + okButton.Text = "OK"; + + // cancelButton + cancelButton.Anchor = ( (AnchorStyles)( ( AnchorStyles.Bottom | AnchorStyles.Right ) ) ); + cancelButton.DialogResult = DialogResult.Cancel; + cancelButton.FlatStyle = FlatStyle.System; + cancelButton.Location = new Point( 226, 230 ); + cancelButton.Size = new Size( 80, 23 ); + cancelButton.TabIndex = 4; + cancelButton.Text = "Cancel"; + + // FolderBrowserDialog + ClientSize = new Size( 322, 288 ); + Dock = DockStyle.Fill; + + Controls.Add( cancelButton ); + Controls.Add( okButton ); + Controls.Add( newFolderButton ); + Controls.Add( folderBrowserTreeView ); + Controls.Add( descriptionLabel ); + ResumeLayout( false ); + + SetupImageList( ); + + okButton.Click += new EventHandler( OnClickOKButton ); + cancelButton.Click += new EventHandler( OnClickCancelButton ); + + string root_path = Environment.GetFolderPath (folderBrowserDialog.RootFolder); + root_node = new TreeNode (Path.GetFileName (root_path)); + root_node.Tag = root_path; + root_node.ImageIndex = NodeImageIndex (root_path); + + // If we add the sub nodes before the root is added to the + // tree no refreshing will be done whil adding + if (folderBrowserDialog.RootFolder == Environment.SpecialFolder.Desktop) { + + + // Add something similar to 'My Computer' + TreeNode mycomp = new TreeNode ("My Computer"); + if (Path.DirectorySeparatorChar == '/') + mycomp.Tag = "/"; + else + mycomp.Tag = Environment.GetFolderPath (Environment.SpecialFolder.MyComputer); + mycomp.ImageIndex = NodeImageIndex ((string) mycomp.Tag); + + // A home directory + string home_path = Environment.GetFolderPath (Environment.SpecialFolder.Personal); + TreeNode home = new TreeNode (Path.GetFileName (home_path)); + home.Tag = home_path; + home.ImageIndex = NodeImageIndex (home_path); + + // This is so we get the expand box + mycomp.Nodes.Add (new TreeNode (String.Empty)); + home.Nodes.Add (new TreeNode (String.Empty)); + + root_node.Nodes.Add (mycomp); + root_node.Nodes.Add (home); + root_node.Expand (); + } else { + FillNode (root_node); + } + + folderBrowserTreeView.Nodes.Add (root_node); + + folderBrowserTreeView.BeforeExpand += new TreeViewCancelEventHandler (OnBeforeExpand); + folderBrowserTreeView.AfterSelect += new TreeViewEventHandler( OnAfterSelectFolderBrowserTreeView ); + } + + public string SelectedPath + { + set + { + selectedPath = value; + } + + get + { + return selectedPath; + } + } + + void OnClickOKButton( object sender, EventArgs e ) + { + folderBrowserDialog.SelectedPath = selectedPath; + + folderBrowserDialog.form.Controls.Remove( this ); + folderBrowserDialog.form.DialogResult = DialogResult.OK; + } + + void OnClickCancelButton( object sender, EventArgs e ) + { + folderBrowserDialog.form.Controls.Remove( this ); + folderBrowserDialog.form.DialogResult = DialogResult.Cancel; + } + + void OnAfterSelectFolderBrowserTreeView( object sender, TreeViewEventArgs e ) + { + if (e.Node == null) + return; + selectedPath = (string) e.Node.Tag; + } + + private void OnBeforeExpand (object sender, TreeViewCancelEventArgs e) + { + if (e.Node == root_node) + return; + FillNode (e.Node); + } + + private void OnAfterCollapse (object sender, TreeViewCancelEventArgs e) + { + if (e.Node == root_node) + return; + e.Node.Nodes.Clear (); + } + + private void FillNode (TreeNode node) + { + Cursor old = folderBrowserTreeView.Cursor; + folderBrowserTreeView.Cursor = Cursors.WaitCursor; + + folderBrowserTreeView.BeginUpdate (); + + node.Nodes.Clear (); + string path = node.Tag as string; + string [] dirs = Directory.GetDirectories (path); + + foreach (string s in dirs) { + string name = Path.GetFileName (s); + // filter out . directories + if (name.StartsWith (".")) + continue; + TreeNode child = new TreeNode (name); + child.Tag = s; + child.ImageIndex = NodeImageIndex (s); + + try { + // so we get the plus + string [] subdirs = Directory.GetDirectories (s); + foreach (string subdir in subdirs) { + // filter out . directories (le sigh) + string subdirname = Path.GetFileName (subdir); + if (!subdirname.StartsWith (".")) { + child.Nodes.Add (new TreeNode (String.Empty)); + break; + } + } + } catch { + // Probably don't have access + } + + node.Nodes.Add (child); + } + + folderBrowserTreeView.EndUpdate (); + folderBrowserTreeView.Cursor = old; + } + + private int NodeImageIndex( string path ) + { + int index = 5; + + if ( path == Environment.GetFolderPath( Environment.SpecialFolder.Desktop ) ) + index = 1; + else + if ( path == Environment.GetFolderPath( Environment.SpecialFolder.Personal ) ) + index = 2; + + return index; + } + + private void SetupImageList( ) + { + imageList.ColorDepth = ColorDepth.Depth32Bit; + imageList.ImageSize = new Size( 16, 16 ); + imageList.Images.Add( (Image)Locale.GetResource( "last_open" ) ); + imageList.Images.Add( (Image)Locale.GetResource( "desktop" ) ); + imageList.Images.Add( (Image)Locale.GetResource( "folder_with_paper" ) ); + imageList.Images.Add( (Image)Locale.GetResource( "monitor-computer" ) ); + imageList.Images.Add( (Image)Locale.GetResource( "monitor-planet" ) ); + imageList.Images.Add( (Image)Locale.GetResource( "folder" ) ); + imageList.Images.Add( (Image)Locale.GetResource( "paper" ) ); + imageList.TransparentColor = Color.Transparent; + } + } + #endregion // Internal Methods + + #region Events + [Browsable(false)] + [EditorBrowsable(EditorBrowsableState.Never)] + public event EventHandler HelpRequest; + #endregion + } +} |