486 lines
13 KiB
C#
486 lines
13 KiB
C#
|
// 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 Novell, Inc. (http://www.novell.com)
|
||
|
|
//
|
||
|
|
// Authors:
|
||
|
|
// Peter Bartok (pbartok@novell.com)
|
||
|
|
//
|
||
|
|
//
|
||
|
|
|
||
|
|
// COMPLETE
|
||
|
|
|
||
|
|
using System;
|
||
|
|
using System.IO;
|
||
|
|
using System.Drawing;
|
||
|
|
using System.Collections;
|
||
|
|
using System.Collections.Specialized;
|
||
|
|
using System.ComponentModel;
|
||
|
|
using System.Runtime.InteropServices;
|
||
|
|
|
||
|
|
namespace System.Windows.Forms {
|
||
|
|
[ClassInterface(ClassInterfaceType.None)]
|
||
|
|
public class DataObject : IDataObject, System.Runtime.InteropServices.ComTypes.IDataObject
|
||
|
|
{
|
||
|
|
#region DataObject.Entry Class
|
||
|
|
private class Entry {
|
||
|
|
#region Local Variables
|
||
|
|
private string type;
|
||
|
|
private object data;
|
||
|
|
private bool autoconvert;
|
||
|
|
internal Entry next;
|
||
|
|
#endregion // Local Variables
|
||
|
|
|
||
|
|
#region Constructors
|
||
|
|
internal Entry(string type, object data, bool autoconvert) {
|
||
|
|
this.type = type;
|
||
|
|
this.data = data;
|
||
|
|
this.autoconvert = autoconvert;
|
||
|
|
}
|
||
|
|
#endregion // Constructors
|
||
|
|
|
||
|
|
#region Properties
|
||
|
|
public object Data {
|
||
|
|
get {
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
|
||
|
|
set {
|
||
|
|
data = value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
public bool AutoConvert {
|
||
|
|
get {
|
||
|
|
return autoconvert;
|
||
|
|
}
|
||
|
|
set {
|
||
|
|
autoconvert = value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endregion // Properties
|
||
|
|
|
||
|
|
#region Methods
|
||
|
|
public static int Count(Entry entries) {
|
||
|
|
int result;
|
||
|
|
|
||
|
|
result = 0;
|
||
|
|
|
||
|
|
while (entries != null) {
|
||
|
|
result++;
|
||
|
|
entries = entries.next;
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static Entry Find (Entry entries, string type) {
|
||
|
|
return Find (entries, type, false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static Entry Find(Entry entries, string type, bool only_convertible) {
|
||
|
|
while (entries != null) {
|
||
|
|
bool available = true;
|
||
|
|
if (only_convertible && !entries.autoconvert)
|
||
|
|
available = false;
|
||
|
|
if (available && String.Compare (entries.type, type, true) == 0) {
|
||
|
|
return entries;
|
||
|
|
}
|
||
|
|
entries = entries.next;
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static Entry FindConvertible(Entry entries, string type) {
|
||
|
|
Entry e;
|
||
|
|
|
||
|
|
e = Find(entries, type);
|
||
|
|
if (e != null) {
|
||
|
|
return e;
|
||
|
|
}
|
||
|
|
|
||
|
|
// map to *any* other text format if needed
|
||
|
|
if (type == DataFormats.StringFormat || type == DataFormats.Text || type == DataFormats.UnicodeText) {
|
||
|
|
e = entries;
|
||
|
|
while (e != null) {
|
||
|
|
if (e.type == DataFormats.StringFormat || e.type == DataFormats.Text || e.type == DataFormats.UnicodeText)
|
||
|
|
return e;
|
||
|
|
|
||
|
|
e = e.next;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static string[] Entries(Entry entries, bool convertible) {
|
||
|
|
Entry e;
|
||
|
|
ArrayList list;
|
||
|
|
string[] result;
|
||
|
|
|
||
|
|
// Initially store into something that we can grow easily
|
||
|
|
list = new ArrayList(Entry.Count(entries));
|
||
|
|
e = entries;
|
||
|
|
|
||
|
|
if (convertible) {
|
||
|
|
// Add the convertibles
|
||
|
|
Entry text_entry = Entry.Find (entries, DataFormats.Text);
|
||
|
|
Entry utext_entry = Entry.Find (entries, DataFormats.UnicodeText);
|
||
|
|
Entry string_entry = Entry.Find (entries, DataFormats.StringFormat);
|
||
|
|
bool text_convertible = text_entry != null && text_entry.AutoConvert;
|
||
|
|
bool utext_convertible = utext_entry != null && utext_entry.AutoConvert;
|
||
|
|
bool string_convertible = string_entry != null && string_entry.AutoConvert;
|
||
|
|
|
||
|
|
if (text_convertible || utext_convertible || string_convertible) {
|
||
|
|
list.Add (DataFormats.StringFormat);
|
||
|
|
list.Add (DataFormats.UnicodeText);
|
||
|
|
list.Add (DataFormats.Text);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
while (e != null) {
|
||
|
|
if (!list.Contains (e.type))
|
||
|
|
list.Add (e.type);
|
||
|
|
e = e.next;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Copy the results into a string array
|
||
|
|
result = new string[list.Count];
|
||
|
|
for (int i = 0; i < list.Count; i++) {
|
||
|
|
result[i] = (string)list[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
#endregion // Methods
|
||
|
|
}
|
||
|
|
#endregion // DataObject.Entry class
|
||
|
|
|
||
|
|
#region Local Variables
|
||
|
|
private Entry entries;
|
||
|
|
#endregion // Local Variables
|
||
|
|
|
||
|
|
#region Public Constructors
|
||
|
|
public DataObject() {
|
||
|
|
entries = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
public DataObject(object data) {
|
||
|
|
SetData(data);
|
||
|
|
}
|
||
|
|
|
||
|
|
public DataObject(string format, object data) {
|
||
|
|
SetData(format, data);
|
||
|
|
}
|
||
|
|
#endregion // Public Constructors
|
||
|
|
|
||
|
|
#region Public Instance Methods
|
||
|
|
public virtual bool ContainsAudio ()
|
||
|
|
{
|
||
|
|
return GetDataPresent (DataFormats.WaveAudio, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool ContainsFileDropList ()
|
||
|
|
{
|
||
|
|
return GetDataPresent (DataFormats.FileDrop, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool ContainsImage ()
|
||
|
|
{
|
||
|
|
return GetDataPresent (DataFormats.Bitmap, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool ContainsText ()
|
||
|
|
{
|
||
|
|
return GetDataPresent (DataFormats.UnicodeText, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool ContainsText (TextDataFormat format)
|
||
|
|
{
|
||
|
|
if (!Enum.IsDefined (typeof (TextDataFormat), format))
|
||
|
|
throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for TextDataFormat", format));
|
||
|
|
|
||
|
|
return GetDataPresent (TextFormatToDataFormat (format), true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual Stream GetAudioStream ()
|
||
|
|
{
|
||
|
|
return (Stream)GetData (DataFormats.WaveAudio, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual object GetData(string format) {
|
||
|
|
return GetData(format, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual object GetData(string format, bool autoConvert) {
|
||
|
|
Entry e;
|
||
|
|
if (autoConvert) {
|
||
|
|
e = Entry.FindConvertible(entries, format);
|
||
|
|
} else {
|
||
|
|
e = Entry.Find(entries, format);
|
||
|
|
}
|
||
|
|
if (e == null)
|
||
|
|
return null;
|
||
|
|
return e.Data;
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual object GetData(Type format) {
|
||
|
|
return GetData(format.FullName, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool GetDataPresent(string format) {
|
||
|
|
return GetDataPresent(format, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool GetDataPresent(string format, bool autoConvert) {
|
||
|
|
if (autoConvert) {
|
||
|
|
return Entry.FindConvertible(entries, format) != null;
|
||
|
|
} else {
|
||
|
|
return Entry.Find(entries, format) != null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual bool GetDataPresent(Type format) {
|
||
|
|
return GetDataPresent(format.FullName, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual StringCollection GetFileDropList ()
|
||
|
|
{
|
||
|
|
return (StringCollection)GetData (DataFormats.FileDrop, true);
|
||
|
|
}
|
||
|
|
public virtual string[] GetFormats() {
|
||
|
|
return GetFormats(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual string[] GetFormats(bool autoConvert) {
|
||
|
|
return Entry.Entries(entries, autoConvert);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual Image GetImage ()
|
||
|
|
{
|
||
|
|
return (Image)GetData (DataFormats.Bitmap, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual string GetText ()
|
||
|
|
{
|
||
|
|
return (string)GetData (DataFormats.UnicodeText, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual string GetText (TextDataFormat format)
|
||
|
|
{
|
||
|
|
if (!Enum.IsDefined (typeof (TextDataFormat), format))
|
||
|
|
throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for TextDataFormat", format));
|
||
|
|
|
||
|
|
return (string)GetData (TextFormatToDataFormat (format), false);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetAudio (byte[] audioBytes)
|
||
|
|
{
|
||
|
|
if (audioBytes == null)
|
||
|
|
throw new ArgumentNullException ("audioBytes");
|
||
|
|
|
||
|
|
MemoryStream ms = new MemoryStream (audioBytes);
|
||
|
|
|
||
|
|
SetAudio (ms);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetAudio (Stream audioStream)
|
||
|
|
{
|
||
|
|
if (audioStream == null)
|
||
|
|
throw new ArgumentNullException ("audioStream");
|
||
|
|
|
||
|
|
SetData (DataFormats.WaveAudio, audioStream);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetData(object data) {
|
||
|
|
SetData(data.GetType(), data);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetData(string format, bool autoConvert, object data) {
|
||
|
|
Entry entry;
|
||
|
|
Entry e;
|
||
|
|
|
||
|
|
entry = Entry.Find(entries, format);
|
||
|
|
|
||
|
|
if (entry == null) {
|
||
|
|
entry = new DataObject.Entry(format, data, autoConvert);
|
||
|
|
} else {
|
||
|
|
entry.Data = data;
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
lock (this) {
|
||
|
|
if (entries == null) {
|
||
|
|
entries = entry;
|
||
|
|
} else {
|
||
|
|
// Insert into the list of known/defined formats
|
||
|
|
e = entries;
|
||
|
|
|
||
|
|
while (e.next != null) {
|
||
|
|
e = e.next;
|
||
|
|
}
|
||
|
|
e.next = entry;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetData(string format, object data) {
|
||
|
|
SetData(format, true, data);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetData(Type format, object data) {
|
||
|
|
SetData(EnsureFormat(format), true, data);
|
||
|
|
}
|
||
|
|
|
||
|
|
[MonoInternalNote ("Needs additional checks for valid paths, see MSDN")]
|
||
|
|
public virtual void SetFileDropList (StringCollection filePaths)
|
||
|
|
{
|
||
|
|
if (filePaths == null)
|
||
|
|
throw new ArgumentNullException ("filePaths");
|
||
|
|
|
||
|
|
SetData (DataFormats.FileDrop, filePaths);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetImage (Image image)
|
||
|
|
{
|
||
|
|
if (image == null)
|
||
|
|
throw new ArgumentNullException ("image");
|
||
|
|
|
||
|
|
SetData (DataFormats.Bitmap, image);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetText (string textData)
|
||
|
|
{
|
||
|
|
if (string.IsNullOrEmpty (textData))
|
||
|
|
throw new ArgumentNullException ("text");
|
||
|
|
|
||
|
|
SetData (DataFormats.UnicodeText, textData);
|
||
|
|
}
|
||
|
|
|
||
|
|
public virtual void SetText (string textData, TextDataFormat format)
|
||
|
|
{
|
||
|
|
if (string.IsNullOrEmpty (textData))
|
||
|
|
throw new ArgumentNullException ("text");
|
||
|
|
if (!Enum.IsDefined (typeof (TextDataFormat), format))
|
||
|
|
throw new InvalidEnumArgumentException (string.Format ("Enum argument value '{0}' is not valid for TextDataFormat", format));
|
||
|
|
|
||
|
|
switch (format) {
|
||
|
|
case TextDataFormat.Text:
|
||
|
|
SetData (DataFormats.Text, textData);
|
||
|
|
break;
|
||
|
|
case TextDataFormat.UnicodeText:
|
||
|
|
SetData (DataFormats.UnicodeText, textData);
|
||
|
|
break;
|
||
|
|
case TextDataFormat.Rtf:
|
||
|
|
SetData (DataFormats.Rtf, textData);
|
||
|
|
break;
|
||
|
|
case TextDataFormat.Html:
|
||
|
|
SetData (DataFormats.Html, textData);
|
||
|
|
break;
|
||
|
|
case TextDataFormat.CommaSeparatedValue:
|
||
|
|
SetData (DataFormats.CommaSeparatedValue, textData);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endregion // Public Instance Methods
|
||
|
|
|
||
|
|
#region Private Methods
|
||
|
|
internal string EnsureFormat(string name) {
|
||
|
|
DataFormats.Format f;
|
||
|
|
|
||
|
|
f = DataFormats.Format.Find(name);
|
||
|
|
if (f == null) {
|
||
|
|
// Register the format
|
||
|
|
f = DataFormats.Format.Add(name);
|
||
|
|
}
|
||
|
|
|
||
|
|
return f.Name;
|
||
|
|
}
|
||
|
|
|
||
|
|
internal string EnsureFormat(Type type) {
|
||
|
|
return EnsureFormat(type.FullName);
|
||
|
|
}
|
||
|
|
|
||
|
|
private string TextFormatToDataFormat (TextDataFormat format)
|
||
|
|
{
|
||
|
|
switch (format) {
|
||
|
|
case TextDataFormat.Text:
|
||
|
|
default:
|
||
|
|
return DataFormats.Text;
|
||
|
|
case TextDataFormat.UnicodeText:
|
||
|
|
return DataFormats.UnicodeText;
|
||
|
|
case TextDataFormat.Rtf:
|
||
|
|
return DataFormats.Rtf;
|
||
|
|
case TextDataFormat.Html:
|
||
|
|
return DataFormats.Html;
|
||
|
|
case TextDataFormat.CommaSeparatedValue:
|
||
|
|
return DataFormats.CommaSeparatedValue;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endregion // Private Methods
|
||
|
|
|
||
|
|
#region IDataObject Members
|
||
|
|
int System.Runtime.InteropServices.ComTypes.IDataObject.DAdvise (ref System.Runtime.InteropServices.ComTypes.FORMATETC pFormatetc, System.Runtime.InteropServices.ComTypes.ADVF advf, System.Runtime.InteropServices.ComTypes.IAdviseSink adviseSink, out int connection)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
void System.Runtime.InteropServices.ComTypes.IDataObject.DUnadvise (int connection)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
int System.Runtime.InteropServices.ComTypes.IDataObject.EnumDAdvise (out System.Runtime.InteropServices.ComTypes.IEnumSTATDATA enumAdvise)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
System.Runtime.InteropServices.ComTypes.IEnumFORMATETC System.Runtime.InteropServices.ComTypes.IDataObject.EnumFormatEtc (System.Runtime.InteropServices.ComTypes.DATADIR direction)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
int System.Runtime.InteropServices.ComTypes.IDataObject.GetCanonicalFormatEtc (ref System.Runtime.InteropServices.ComTypes.FORMATETC formatIn, out System.Runtime.InteropServices.ComTypes.FORMATETC formatOut)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
void System.Runtime.InteropServices.ComTypes.IDataObject.GetData (ref System.Runtime.InteropServices.ComTypes.FORMATETC format, out System.Runtime.InteropServices.ComTypes.STGMEDIUM medium)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
void System.Runtime.InteropServices.ComTypes.IDataObject.GetDataHere (ref System.Runtime.InteropServices.ComTypes.FORMATETC format, ref System.Runtime.InteropServices.ComTypes.STGMEDIUM medium)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
int System.Runtime.InteropServices.ComTypes.IDataObject.QueryGetData (ref System.Runtime.InteropServices.ComTypes.FORMATETC format)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
|
||
|
|
void System.Runtime.InteropServices.ComTypes.IDataObject.SetData (ref System.Runtime.InteropServices.ComTypes.FORMATETC formatIn, ref System.Runtime.InteropServices.ComTypes.STGMEDIUM medium, bool release)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ();
|
||
|
|
}
|
||
|
|
#endregion
|
||
|
|
}
|
||
|
|
}
|