/// <summary>
/// Update content preview depending on available clipboard data and selected file extension
/// </summary>
private void updateContentPreview()
{
textPreview.Hide();
htmlPreview.Hide();
imagePreview.Hide();
BaseContent content = clipData.ForExtension(comExt.Text);
if (content != null)
{
box.Text = content.Description;
if (content is ImageContent imageContent)
{
imagePreview.BackgroundImage = imageContent.Image;
imagePreview.Show();
return;
}
if (content is HtmlContent htmlContent)
{
htmlPreview.DocumentText = htmlContent.Text;
htmlPreview.Show();
return;
}
if (content is TextLikeContent textLikeContent)
{
if (content is RtfContent)
{
textPreview.Rtf = textLikeContent.Text;
}
else
{
textPreview.Text = textLikeContent.Text;
}
textPreview.Show();
return;
}
}
// no matching data found
box.Text = Resources.str_error_cliboard_format_missmatch;
}
/// <summary>
/// Read the clipboard and update the UI
/// </summary>
/// <returns></returns>
private bool readClipboard()
{
clipData = ClipboardContents.FromClipboard();
// Update extension dropdown list
comExt.Items.Clear();
foreach (var content in clipData.Contents)
{
comExt.AddWithSeparator(content.Extensions.Except(comExt.ItemArray()));
}
// if selected extension does not match available contents, adjust it
if (comExt.Text == "*" || comExt.Text == null || clipData.ForExtension(comExt.Text) == null)
{
// chose file extension based on available contents in this order
BaseContent content = clipData.PrimaryContent;
if (content is ImageContent)
{
comExt.Text = content.Extensions.Contains(Settings.Default.extensionImage) ? Settings.Default.extensionImage : content.DefaultExtension;
}
else if (content is TextContent)
{
comExt.Text = Settings.Default.extensionText == null ? content.DefaultExtension : Settings.Default.extensionText;
}
else if (content != null)
{
comExt.Text = content.DefaultExtension;
}
else
{
comExt.Text = "";
}
}
if (comExt.Items.Count > 0)
{
updateContentPreview();
return(true);
}
MessageBox.Show(Resources.str_noclip_text, Resources.str_main_window_title, MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(false);
}