mirror of
https://github.com/greenshot/greenshot
synced 2025-07-30 11:40:40 -07:00
Code consolidation, trying to get all IDataObject relevant code into the ClipboardHelper. This might solve some Drag & Drop or Copy/Paste issues.
git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2397 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom
parent
635ee507f8
commit
b7a604d93b
2 changed files with 317 additions and 230 deletions
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@ -724,33 +724,19 @@ namespace Greenshot.Drawing {
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#endregion
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#region DragDrop
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private List<string> GetFilenames(DragEventArgs e) {
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List<string> filenames = new List<string>();
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string[] dropFileNames = (string[])e.Data.GetData(DataFormats.FileDrop);
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if (dropFileNames != null && dropFileNames.Length > 0) {
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foreach(string filename in dropFileNames) {
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LOG.Debug("Found filename: " + filename);
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string ext=Path.GetExtension(filename).ToLower();
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if ((ext==".jpg") || (ext==".jpeg") ||(ext==".tiff") || (ext==".gif") || (ext==".png") || (ext==".bmp") || (ext==".ico") ||(ext==".wmf")) {
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filenames.Add(filename);
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}
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}
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}
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return filenames;
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}
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private void OnDragEnter(object sender, DragEventArgs e) {
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if(LOG.IsDebugEnabled) {
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LOG.Debug("DragEnter got following formats: ");
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foreach(string format in e.Data.GetFormats()) {
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foreach(string format in ClipboardHelper.GetFormats(e.Data)) {
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LOG.Debug(format);
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}
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}
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if (draggingInProgress || (e.AllowedEffect & DragDropEffects.Copy) != DragDropEffects.Copy) {
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e.Effect=DragDropEffects.None;
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} else {
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List<string> filenames = GetFilenames(e);
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if ((filenames != null && filenames.Count > 0) || e.Data.GetDataPresent("DragImageBits") || e.Data.GetDataPresent(DataFormats.Bitmap, true) || e.Data.GetDataPresent(DataFormats.EnhancedMetafile, true)) {
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List<string> filenames = ClipboardHelper.GetImageFilenames(e.Data);
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if ((filenames != null && filenames.Count > 0) || ClipboardHelper.ContainsImage(e.Data) || ClipboardHelper.ContainsFormat(e.Data, "DragImageBits")) {
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e.Effect=DragDropEffects.Copy;
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} else {
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e.Effect=DragDropEffects.None;
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@ -764,10 +750,10 @@ namespace Greenshot.Drawing {
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void OnDragDrop(object sender, DragEventArgs e) {
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List<string> filenames = GetFilenames(e);
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List<string> filenames = ClipboardHelper.GetImageFilenames(e.Data);
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Point mouse = this.PointToClient(new Point(e.X, e.Y));
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if (e.Data.GetDataPresent("Text")) {
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string possibleUrl = (string)e.Data.GetData("Text");
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string possibleUrl = ClipboardHelper.GetText(e.Data);
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// Test if it's an url and try to download the image so we have it in the original form
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if (possibleUrl != null && possibleUrl.StartsWith("http")) {
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using (Bitmap image = NetworkHelper.DownloadImage(possibleUrl)) {
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@ -1381,7 +1367,9 @@ namespace Greenshot.Drawing {
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/// Paste all the elements that are on the clipboard
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/// </summary>
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public void PasteElementFromClipboard() {
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List<string> formats = ClipboardHelper.GetFormats();
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IDataObject clipboard = ClipboardHelper.GetDataObject();
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List<string> formats = ClipboardHelper.GetFormats(clipboard);
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if (formats == null || formats.Count == 0) {
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return;
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}
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@ -1393,7 +1381,7 @@ namespace Greenshot.Drawing {
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}
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if (formats.Contains(typeof(DrawableContainerList).FullName)) {
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DrawableContainerList dcs = (DrawableContainerList)ClipboardHelper.GetClipboardData(typeof(DrawableContainerList));
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DrawableContainerList dcs = (DrawableContainerList)ClipboardHelper.GetFromDataObject(clipboard, typeof(DrawableContainerList));
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if (dcs != null) {
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dcs.Parent = this;
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dcs.MoveBy(10,10);
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@ -1402,16 +1390,16 @@ namespace Greenshot.Drawing {
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DeselectAllElements();
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SelectElements(dcs);
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}
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} else if (ClipboardHelper.ContainsImage()) {
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using (Image clipboardImage = ClipboardHelper.GetImage()) {
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} else if (ClipboardHelper.ContainsImage(clipboard)) {
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using (Image clipboardImage = ClipboardHelper.GetImage(clipboard)) {
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if (clipboardImage != null) {
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DeselectAllElements();
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IBitmapContainer bitmapContainer = AddBitmapContainer(clipboardImage as Bitmap, 0, 0);
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SelectElement(bitmapContainer);
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}
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}
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} else if (ClipboardHelper.ContainsText()) {
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string text = ClipboardHelper.GetText();
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} else if (ClipboardHelper.ContainsText(clipboard)) {
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string text = ClipboardHelper.GetText(clipboard);
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if (text != null) {
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DeselectAllElements();
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ITextContainer textContainer = AddTextContainer(text, HorizontalAlignment.Center, VerticalAlignment.CENTER,
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@ -121,7 +121,7 @@ EndSelection:<<<<<<<4
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}
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/// <summary>
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/// The SetDataObject that will lock/try/catch clipboard operations making it save and not show exceptions.
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/// The SetDataObject will lock/try/catch clipboard operations making it save and not show exceptions.
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/// The bool "copy" is used to decided if the information stays on the clipboard after exit.
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/// </summary>
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/// <param name="ido"></param>
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@ -154,135 +154,14 @@ EndSelection:<<<<<<<4
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}
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/// <summary>
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/// Safe wrapper for Clipboard.ContainsText
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/// Created for Bug #3432313
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/// The GetDataObject will lock/try/catch clipboard operations making it save and not show exceptions.
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/// </summary>
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/// <returns>boolean if there is text on the clipboard</returns>
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public static bool ContainsText() {
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public static IDataObject GetDataObject() {
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lock (clipboardLockObject) {
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int retryCount = 2;
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while (retryCount >= 0) {
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try {
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return Clipboard.ContainsText();
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} catch (Exception ee) {
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if (retryCount == 0) {
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string messageText = null;
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string clipboardOwner = GetClipboardOwner();
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if (clipboardOwner != null) {
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messageText = Language.GetFormattedString("clipboard_inuse", clipboardOwner);
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} else {
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messageText = Language.GetString("clipboard_error");
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}
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LOG.Error(messageText, ee);
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} else {
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Thread.Sleep(100);
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}
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} finally {
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--retryCount;
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}
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}
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}
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return false;
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}
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/// <summary>
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/// Safe wrapper for Clipboard.ContainsImage
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/// Created for Bug #3432313
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/// </summary>
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/// <returns>boolean if there is an image on the clipboard</returns>
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public static bool ContainsImage() {
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lock (clipboardLockObject) {
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int retryCount = 2;
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while (retryCount >= 0) {
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try {
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return Clipboard.ContainsImage();
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} catch (Exception ee) {
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if (retryCount == 0) {
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string messageText = null;
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string clipboardOwner = GetClipboardOwner();
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if (clipboardOwner != null) {
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messageText = Language.GetFormattedString("clipboard_inuse", clipboardOwner);
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} else {
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messageText = Language.GetString("clipboard_error");
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}
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LOG.Error(messageText, ee);
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} else {
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Thread.Sleep(100);
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}
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} finally {
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--retryCount;
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}
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}
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}
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return false;
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}
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/// <summary>
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/// Safe wrapper for Clipboard.GetImage
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/// Created for Bug #3432313
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/// </summary>
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/// <returns>Image if there is an image on the clipboard</returns>
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public static Image GetImage() {
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lock (clipboardLockObject) {
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int retryCount = 2;
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while (retryCount >= 0) {
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try {
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// Try to get the best format, currently we support PNG and "others"
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IList<string> formats = GetFormats();
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if (formats.Contains("PNG")) {
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try {
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Object pngObject = GetClipboardData("PNG");
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if (pngObject is MemoryStream) {
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MemoryStream png_stream = pngObject as MemoryStream;
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if (png_stream != null && png_stream.Length > 0) {
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using (Image tmpImage = Image.FromStream(png_stream)) {
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return ImageHelper.Clone(tmpImage);
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}
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}
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}
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} catch (Exception pngEx) {
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LOG.Error("Problem retrieving PNG from clipboard.", pngEx);
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}
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}
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// the DIB readed should solve the issue reported here: https://sourceforge.net/projects/greenshot/forums/forum/676083/topic/6354353/index/page/1
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try {
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// If the EnableSpecialDIBClipboardReader flag in the config is set, use the code from:
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// http://www.thomaslevesque.com/2009/02/05/wpf-paste-an-image-from-the-clipboard/
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// to read the DeviceIndependentBitmap from the clipboard, this might fix bug 3576125
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if (config.EnableSpecialDIBClipboardReader && formats.Contains(DataFormats.Dib)) {
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MemoryStream ms = GetClipboardData(DataFormats.Dib) as MemoryStream;
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if (ms != null && ms.Length > 0) {
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byte[] dibBuffer = new byte[ms.Length];
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ms.Read(dibBuffer, 0, dibBuffer.Length);
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BitmapInfoHeader infoHeader = BinaryStructHelper.FromByteArray<BitmapInfoHeader>(dibBuffer);
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// Only use this code, when the biCommpression != 0 (BI_RGB)
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if (infoHeader.biCompression != 0) {
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int fileHeaderSize = Marshal.SizeOf(typeof(BitmapFileHeader));
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uint infoHeaderSize = infoHeader.biSize;
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int fileSize = (int)(fileHeaderSize + infoHeader.biSize + infoHeader.biSizeImage);
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BitmapFileHeader fileHeader = new BitmapFileHeader();
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fileHeader.bfType = BitmapFileHeader.BM;
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fileHeader.bfSize = fileSize;
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fileHeader.bfReserved1 = 0;
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fileHeader.bfReserved2 = 0;
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fileHeader.bfOffBits = (int)(fileHeaderSize + infoHeaderSize + infoHeader.biClrUsed * 4);
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byte[] fileHeaderBytes = BinaryStructHelper.ToByteArray<BitmapFileHeader>(fileHeader);
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using (MemoryStream msBitmap = new MemoryStream()) {
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msBitmap.Write(fileHeaderBytes, 0, fileHeaderSize);
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msBitmap.Write(dibBuffer, 0, dibBuffer.Length);
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msBitmap.Seek(0, SeekOrigin.Begin);
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return Image.FromStream(msBitmap);
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}
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}
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}
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}
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} catch (Exception dibEx) {
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LOG.Error("Problem retrieving DIB from clipboard.", dibEx);
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}
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return Clipboard.GetImage();
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return Clipboard.GetDataObject();
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} catch (Exception ee) {
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if (retryCount == 0) {
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string messageText = null;
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@ -305,33 +184,181 @@ EndSelection:<<<<<<<4
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}
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/// <summary>
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/// Safe wrapper for Clipboard.GetText
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/// Created for Bug #3432313
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/// Wrapper for Clipboard.ContainsText, Created for Bug #3432313
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/// </summary>
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/// <returns>boolean if there is text on the clipboard</returns>
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public static bool ContainsText() {
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IDataObject clipboardData = GetDataObject();
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return ContainsText(clipboardData);
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}
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/// <summary>
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/// Test if the IDataObject contains Text
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns></returns>
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public static bool ContainsText(IDataObject dataObject) {
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if (dataObject != null) {
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if (dataObject.GetDataPresent(DataFormats.Text) || dataObject.GetDataPresent(DataFormats.UnicodeText)) {
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// Wrapper for Clipboard.ContainsImage, specialized for Greenshot, Created for Bug #3432313
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/// </summary>
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/// <returns>boolean if there is an image on the clipboard</returns>
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public static bool ContainsImage() {
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IDataObject clipboardData = GetDataObject();
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return ContainsImage(clipboardData);
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}
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/// <summary>
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/// Check if the IDataObject has an image
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns>true if an image is there</returns>
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public static bool ContainsImage(IDataObject dataObject) {
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if (dataObject != null) {
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if (dataObject.GetDataPresent(DataFormats.Bitmap)
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|| dataObject.GetDataPresent(DataFormats.Dib)
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|| dataObject.GetDataPresent(DataFormats.Tiff)
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|| dataObject.GetDataPresent(DataFormats.EnhancedMetafile)
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|| dataObject.GetDataPresent("PNG")
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|| dataObject.GetDataPresent("JPG")) {
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return true;
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}
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List<string> imageFiles = GetImageFilenames(dataObject);
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if (imageFiles != null && imageFiles.Count > 0) {
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// Simple helper to check the stream
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/// </summary>
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/// <param name="memoryStream"></param>
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/// <returns></returns>
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private static bool isValidStream(MemoryStream memoryStream) {
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return memoryStream != null && memoryStream.Length > 0;
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}
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/// <summary>
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/// Wrapper for Clipboard.GetImage, Created for Bug #3432313
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/// </summary>
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/// <returns>Image if there is an image on the clipboard</returns>
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public static Image GetImage() {
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IDataObject clipboardData = GetDataObject();
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return GetImage(clipboardData);
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}
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/// <summary>
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/// Get an Image from the IDataObject
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/// </summary>
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/// <param name="dataObject"></param>
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/// <returns>Image or null</returns>
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public static Image GetImage(IDataObject dataObject) {
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if (dataObject != null) {
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IList<string> formats = GetFormats(dataObject);
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try {
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MemoryStream imageStream = null;
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if (!isValidStream(imageStream) && formats.Contains("PNG")) {
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imageStream = GetFromDataObject(dataObject, "PNG") as MemoryStream;
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}
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if (!isValidStream(imageStream) && formats.Contains("JPG")) {
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imageStream = GetFromDataObject(dataObject, "JPG") as MemoryStream;
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}
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if (!isValidStream(imageStream) && formats.Contains(DataFormats.Tiff)) {
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imageStream = GetFromDataObject(dataObject, DataFormats.Tiff) as MemoryStream;
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}
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if (isValidStream(imageStream)) {
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try {
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using (Image tmpImage = Image.FromStream(imageStream)) {
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return ImageHelper.Clone(tmpImage);
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}
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} catch (Exception streamImageEx) {
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LOG.Error("Problem retrieving Image from clipboard.", streamImageEx);
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}
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}
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// the DIB readed should solve the issue reported here: https://sourceforge.net/projects/greenshot/forums/forum/676083/topic/6354353/index/page/1
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try {
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// If the EnableSpecialDIBClipboardReader flag in the config is set, use the code from:
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// http://www.thomaslevesque.com/2009/02/05/wpf-paste-an-image-from-the-clipboard/
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// to read the DeviceIndependentBitmap from the clipboard, this might fix bug 3576125
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if (config.EnableSpecialDIBClipboardReader && formats.Contains(DataFormats.Dib)) {
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MemoryStream dibStream = GetClipboardData(DataFormats.Dib) as MemoryStream;
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if (isValidStream(dibStream)) {
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byte[] dibBuffer = new byte[dibStream.Length];
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dibStream.Read(dibBuffer, 0, dibBuffer.Length);
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BitmapInfoHeader infoHeader = BinaryStructHelper.FromByteArray<BitmapInfoHeader>(dibBuffer);
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// Only use this code, when the biCommpression != 0 (BI_RGB)
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if (infoHeader.biCompression != 0) {
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int fileHeaderSize = Marshal.SizeOf(typeof(BitmapFileHeader));
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uint infoHeaderSize = infoHeader.biSize;
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int fileSize = (int)(fileHeaderSize + infoHeader.biSize + infoHeader.biSizeImage);
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BitmapFileHeader fileHeader = new BitmapFileHeader();
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fileHeader.bfType = BitmapFileHeader.BM;
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fileHeader.bfSize = fileSize;
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fileHeader.bfReserved1 = 0;
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fileHeader.bfReserved2 = 0;
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fileHeader.bfOffBits = (int)(fileHeaderSize + infoHeaderSize + infoHeader.biClrUsed * 4);
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byte[] fileHeaderBytes = BinaryStructHelper.ToByteArray<BitmapFileHeader>(fileHeader);
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using (MemoryStream bitmapStream = new MemoryStream()) {
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bitmapStream.Write(fileHeaderBytes, 0, fileHeaderSize);
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bitmapStream.Write(dibBuffer, 0, dibBuffer.Length);
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bitmapStream.Seek(0, SeekOrigin.Begin);
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using (Image tmpImage = Image.FromStream(bitmapStream)) {
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return ImageHelper.Clone(tmpImage);
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}
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}
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}
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}
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}
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List<string> imageFiles = GetImageFilenames(dataObject);
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if (imageFiles != null) {
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foreach (string imageFile in imageFiles) {
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if (File.Exists(imageFile)) {
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using (Stream imageFileStream = File.OpenRead(imageFile)) {
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return Image.FromStream(imageFileStream, true, true);
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}
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}
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}
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}
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} catch (Exception dibEx) {
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LOG.Error("Problem retrieving DIB from clipboard.", dibEx);
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}
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return Clipboard.GetImage();
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} catch (Exception ex) {
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LOG.Error("Problem retrieving Image from clipboard.", ex);
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}
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}
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return null;
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}
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/// <summary>
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/// Wrapper for Clipboard.GetText created for Bug #3432313
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/// </summary>
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/// <returns>string if there is text on the clipboard</returns>
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public static string GetText() {
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lock (clipboardLockObject) {
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int retryCount = 2;
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while (retryCount >= 0) {
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try {
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return Clipboard.GetText();
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} catch (Exception ee) {
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if (retryCount == 0) {
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string messageText = null;
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string clipboardOwner = GetClipboardOwner();
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if (clipboardOwner != null) {
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messageText = Language.GetFormattedString("clipboard_inuse", clipboardOwner);
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} else {
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messageText = Language.GetString("clipboard_error");
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}
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LOG.Error(messageText, ee);
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} else {
|
||||
Thread.Sleep(100);
|
||||
}
|
||||
} finally {
|
||||
--retryCount;
|
||||
}
|
||||
}
|
||||
return GetText(GetDataObject());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get Text from the DataObject
|
||||
/// </summary>
|
||||
/// <returns>string if there is text on the clipboard</returns>
|
||||
public static string GetText(IDataObject dataObject) {
|
||||
if (ContainsText(dataObject)) {
|
||||
return (String)dataObject.GetData(DataFormats.Text);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
|
@ -391,33 +418,42 @@ EndSelection:<<<<<<<4
|
|||
// This will work for Office and most other applications
|
||||
//ido.SetData(DataFormats.Bitmap, true, image);
|
||||
|
||||
MemoryStream bmpStream = null;
|
||||
MemoryStream imageStream = null;
|
||||
MemoryStream dibStream = null;
|
||||
MemoryStream pngStream = null;
|
||||
try {
|
||||
// Create PNG stream
|
||||
if (config.ClipboardFormats.Contains(ClipboardFormat.PNG)) {
|
||||
pngStream = new MemoryStream();
|
||||
// PNG works for e.g. Powerpoint
|
||||
SurfaceOutputSettings pngOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
|
||||
ImageOutput.SaveToStream(surface, pngStream, pngOutputSettings);
|
||||
pngStream.Seek(0, SeekOrigin.Begin);
|
||||
// Set the PNG stream
|
||||
ido.SetData("PNG", false, pngStream);
|
||||
try {
|
||||
// Create PNG stream
|
||||
if (config.ClipboardFormats.Contains(ClipboardFormat.PNG)) {
|
||||
pngStream = new MemoryStream();
|
||||
// PNG works for e.g. Powerpoint
|
||||
SurfaceOutputSettings pngOutputSettings = new SurfaceOutputSettings(OutputFormat.png, 100, false);
|
||||
ImageOutput.SaveToStream(surface, pngStream, pngOutputSettings);
|
||||
pngStream.Seek(0, SeekOrigin.Begin);
|
||||
// Set the PNG stream
|
||||
ido.SetData("PNG", false, pngStream);
|
||||
}
|
||||
} catch (Exception pngEX) {
|
||||
LOG.Error("Error creating PNG for the Clipboard.", pngEX);
|
||||
}
|
||||
|
||||
if (config.ClipboardFormats.Contains(ClipboardFormat.DIB)) {
|
||||
bmpStream = new MemoryStream();
|
||||
// Save image as BMP
|
||||
SurfaceOutputSettings bmpOutputSettings = new SurfaceOutputSettings(OutputFormat.bmp, 100, false);
|
||||
ImageOutput.SaveToStream(surface, bmpStream, bmpOutputSettings);
|
||||
|
||||
imageStream = new MemoryStream();
|
||||
// Copy the source, but skip the "BITMAPFILEHEADER" which has a size of 14
|
||||
imageStream.Write(bmpStream.GetBuffer(), BITMAPFILEHEADER_LENGTH, (int) bmpStream.Length - BITMAPFILEHEADER_LENGTH);
|
||||
try {
|
||||
if (config.ClipboardFormats.Contains(ClipboardFormat.DIB)) {
|
||||
using (MemoryStream tmpBmpStream = new MemoryStream()) {
|
||||
// Save image as BMP
|
||||
SurfaceOutputSettings bmpOutputSettings = new SurfaceOutputSettings(OutputFormat.bmp, 100, false);
|
||||
ImageOutput.SaveToStream(surface, tmpBmpStream, bmpOutputSettings);
|
||||
|
||||
// Set the DIB to the clipboard DataObject
|
||||
ido.SetData(DataFormats.Dib, true, imageStream);
|
||||
dibStream = new MemoryStream();
|
||||
// Copy the source, but skip the "BITMAPFILEHEADER" which has a size of 14
|
||||
dibStream.Write(tmpBmpStream.GetBuffer(), BITMAPFILEHEADER_LENGTH, (int)tmpBmpStream.Length - BITMAPFILEHEADER_LENGTH);
|
||||
}
|
||||
|
||||
// Set the DIB to the clipboard DataObject
|
||||
ido.SetData(DataFormats.Dib, true, dibStream);
|
||||
}
|
||||
} catch (Exception dibEx) {
|
||||
LOG.Error("Error creating DIB for the Clipboard.", dibEx);
|
||||
}
|
||||
|
||||
// Set the HTML
|
||||
|
|
@ -447,14 +483,9 @@ EndSelection:<<<<<<<4
|
|||
pngStream = null;
|
||||
}
|
||||
|
||||
if (bmpStream != null) {
|
||||
bmpStream.Dispose();
|
||||
bmpStream = null;
|
||||
}
|
||||
|
||||
if (imageStream != null) {
|
||||
imageStream.Dispose();
|
||||
imageStream = null;
|
||||
if (dibStream != null) {
|
||||
dibStream.Dispose();
|
||||
dibStream = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -479,17 +510,18 @@ EndSelection:<<<<<<<4
|
|||
/// </summary>
|
||||
/// <returns>List<string> with the current formats</returns>
|
||||
public static List<string> GetFormats() {
|
||||
return GetFormats(GetDataObject());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Retrieve a list of all formats currently in the IDataObject
|
||||
/// </summary>
|
||||
/// <returns>List<string> with the current formats</returns>
|
||||
public static List<string> GetFormats(IDataObject dataObj) {
|
||||
string[] formats = null;
|
||||
|
||||
lock (clipboardLockObject) {
|
||||
try {
|
||||
IDataObject dataObj = Clipboard.GetDataObject();
|
||||
if (dataObj != null) {
|
||||
formats = dataObj.GetFormats();
|
||||
}
|
||||
} catch (Exception e) {
|
||||
LOG.Error("Error in GetFormats.", e);
|
||||
}
|
||||
if (dataObj != null) {
|
||||
formats = dataObj.GetFormats();
|
||||
}
|
||||
if (formats != null) {
|
||||
return new List<string>(formats);
|
||||
|
|
@ -497,15 +529,44 @@ EndSelection:<<<<<<<4
|
|||
return new List<string>();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Check if there is currently something in the dataObject which has the supplied format
|
||||
/// </summary>
|
||||
/// <param name="dataObject">IDataObject</param>
|
||||
/// <param name="format">string with format</param>
|
||||
/// <returns>true if one the format is found</returns>
|
||||
public static bool ContainsFormat(string format) {
|
||||
return ContainsFormat(GetDataObject(), new string[]{format});
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Check if there is currently something on the clipboard which has the supplied format
|
||||
/// </summary>
|
||||
/// <param name="format">string with format</param>
|
||||
/// <returns>true if one the format is found</returns>
|
||||
public static bool ContainsFormat(IDataObject dataObject, string format) {
|
||||
return ContainsFormat(dataObject, new string[] { format });
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Check if there is currently something on the clipboard which has one of the supplied formats
|
||||
/// </summary>
|
||||
/// <param name="formats">string[] with formats</param>
|
||||
/// <returns>true if one of the formats was found</returns>
|
||||
public static bool ContainsFormat(string[] formats) {
|
||||
return ContainsFormat(GetDataObject(), formats);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Check if there is currently something on the clipboard which has one of the supplied formats
|
||||
/// </summary>
|
||||
/// <param name="dataObject">IDataObject</param>
|
||||
/// <param name="formats">string[] with formats</param>
|
||||
/// <returns>true if one of the formats was found</returns>
|
||||
public static bool ContainsFormat(IDataObject dataObject, string[] formats) {
|
||||
bool formatFound = false;
|
||||
List<string> currentFormats = GetFormats();
|
||||
if (currentFormats == null || currentFormats.Count == 0 ||formats == null || formats.Length == 0) {
|
||||
List<string> currentFormats = GetFormats(dataObject);
|
||||
if (currentFormats == null || currentFormats.Count == 0 || formats == null || formats.Length == 0) {
|
||||
return false;
|
||||
}
|
||||
foreach (string format in formats) {
|
||||
|
|
@ -527,25 +588,63 @@ EndSelection:<<<<<<<4
|
|||
return GetClipboardData(format);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get Object for format from IDataObject
|
||||
/// </summary>
|
||||
/// <param name="dataObj">IDataObject</param>
|
||||
/// <param name="type">Type to get</param>
|
||||
/// <returns>object from IDataObject</returns>
|
||||
public static Object GetFromDataObject(IDataObject dataObj, Type type) {
|
||||
if (type != null) {
|
||||
return GetFromDataObject(dataObj, type.FullName);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get ImageFilenames from the IDataObject
|
||||
/// </summary>
|
||||
/// <param name="dataObject">IDataObject</param>
|
||||
/// <returns></returns>
|
||||
public static List<string> GetImageFilenames(IDataObject dataObject) {
|
||||
List<string> filenames = new List<string>();
|
||||
string[] dropFileNames = (string[])dataObject.GetData(DataFormats.FileDrop);
|
||||
if (dropFileNames != null && dropFileNames.Length > 0) {
|
||||
foreach (string filename in dropFileNames) {
|
||||
LOG.Debug("Found filename: " + filename);
|
||||
string ext = Path.GetExtension(filename).ToLower();
|
||||
if ((ext == ".jpg") || (ext == ".jpeg") || (ext == ".tiff") || (ext == ".gif") || (ext == ".png") || (ext == ".bmp") || (ext == ".ico") || (ext == ".wmf")) {
|
||||
filenames.Add(filename);
|
||||
}
|
||||
}
|
||||
}
|
||||
return filenames;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get Object for format from IDataObject
|
||||
/// </summary>
|
||||
/// <param name="dataObj">IDataObject</param>
|
||||
/// <param name="format">format to get</param>
|
||||
/// <returns>object from IDataObject</returns>
|
||||
public static Object GetFromDataObject(IDataObject dataObj, string format) {
|
||||
if (dataObj != null) {
|
||||
try {
|
||||
return dataObj.GetData(format);
|
||||
} catch (Exception e) {
|
||||
LOG.Error("Error in GetClipboardData.", e);
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Get Object for format from the clipboard
|
||||
/// </summary>
|
||||
/// <param name="format">format to get</param>
|
||||
/// <returns>object from clipboard</returns>
|
||||
public static Object GetClipboardData(string format) {
|
||||
Object obj = null;
|
||||
|
||||
lock (clipboardLockObject) {
|
||||
try {
|
||||
IDataObject dataObj = Clipboard.GetDataObject();
|
||||
if(dataObj != null && dataObj.GetDataPresent(format)) {
|
||||
obj = dataObj.GetData(format);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
LOG.Error("Error in GetClipboardData.", e);
|
||||
}
|
||||
}
|
||||
return obj;
|
||||
return GetFromDataObject(GetDataObject(), format);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue