private void lstParts_SelectedIndexChanged(object sender, EventArgs e)
{
pnlPart.Controls.Clear();
Control next = null;
object obj = lstParts.SelectedItems.Count == 0 ? null : lstParts.SelectedItems[0].Tag;
if (obj is GifPartHeader)
{
GifPartHeader head = obj as GifPartHeader;
ctrlHeader.Part = head;
next = ctrlHeader;
}
else if (obj is GifPartLwzImage)
{
GifPartLwzImage img = obj as GifPartLwzImage;
ctrlLwzImg.Part = img;
next = ctrlLwzImg;
}
else if (obj is GifPartMetaData.ApplicationData)
{
GifPartMetaData.ApplicationData meta = obj as GifPartMetaData.ApplicationData;
ctrlMetaApp.Part = meta;
next = ctrlMetaApp;
}
else if (obj is GifPartMetaData.Comment)
{
GifPartMetaData.Comment meta = obj as GifPartMetaData.Comment;
ctrlHex.Part = meta;
next = ctrlHex;
}
else if (obj is GifPartMetaData.GraphicsControl)
{
GifPartMetaData.GraphicsControl meta = obj as GifPartMetaData.GraphicsControl;
ctrlMetaCtrl.Part = meta;
next = ctrlMetaCtrl;
}
else if (obj is GifPartMetaData.Loop)
{
GifPartMetaData.Loop meta = obj as GifPartMetaData.Loop;
ctrlMetaLoop.Part = meta;
next = ctrlMetaLoop;
}
else if (obj is GifPartMetaData.TextDraw)
{
GifPartMetaData.TextDraw meta = obj as GifPartMetaData.TextDraw;
ctrlMetaText.Part = meta;
next = ctrlMetaText;
}
else if (obj is GifPartMetaData)
{
GifPartMetaData meta = obj as GifPartMetaData;
ctrlHex.Part = meta;
next = ctrlHex;
}
else if (obj is GifPartGarbageData)
{
GifPartGarbageData meta = obj as GifPartGarbageData;
ctrlHex.Part = meta;
next = ctrlHex;
}
if (ctrlCurr != next)
{
SuspendLayout();
pnlPart.Controls.Clear();
if (next != null)
{
pnlPart.Controls.Add(next);
next.Dock = DockStyle.Fill;
}
ResumeLayout();
ctrlCurr = next;
}
}
private void UpdateListViewItem(ListViewItem item, GifPart part)
{
if (part is GifPartHeader)
{
item.Text = "Header";
item.ImageIndex = 0;
}
else if (part is GifPartLwzImage)
{
GifPartLwzImage img = part as GifPartLwzImage;
item.Text = string.Format("Image [{0}x{1} @{2}x{3}]", img.Width, img.Height, img.Left, img.Top);
item.ImageIndex = 1;
}
else if (part is GifPartMetaData.ApplicationData)
{
GifPartMetaData.ApplicationData app = part as GifPartMetaData.ApplicationData;
item.Text = string.Format("AppData [{0}]", app.AppIdentifier);
item.ImageIndex = 2;
}
else if (part is GifPartMetaData.Loop)
{
GifPartMetaData.Loop loop = part as GifPartMetaData.Loop;
item.Text = string.Format("AppData [Repeat: {0}]", loop.Iterations);
item.ImageIndex = 2;
}
else if (part is GifPartMetaData.Comment)
{
GifPartMetaData.Comment cmt = part as GifPartMetaData.Comment;
item.Text = string.Format("Comment [{0} bytes]", cmt.Content.Length);
item.ImageIndex = 3;
}
else if (part is GifPartMetaData.GraphicsControl)
{
GifPartMetaData.GraphicsControl ctrl = part as GifPartMetaData.GraphicsControl;
item.Text = string.Format("Control [Trans:{0}, Delay:{1}]", ctrl.UseTransparency ? "1" : "0", ctrl.UseUserInput ? "User" : ((ctrl.DelayTime).ToString() + "ms"));
item.ImageIndex = 4;
}
else if (part is GifPartMetaData.TextDraw)
{
GifPartMetaData.TextDraw txt = part as GifPartMetaData.TextDraw;
string txtt = txt.Text;
item.Text = string.Format("Text [{2}, @{0}x{1}]", txt.Left, txt.Width, txtt.Length > 10 ? (txtt.Substring(0, 8) + "...") : txtt);
item.ImageIndex = 5;
}
else if (part is GifPartMetaData)
{
GifPartMetaData mta = part as GifPartMetaData;
item.Text = string.Format("Unknown [{0}]", mta.MetaType);
item.ImageIndex = 6;
}
else if (part is GifPartTerminator)
{
item.Text = "EOF";
item.ImageIndex = 7;
}
else if (part is GifPartGarbageData)
{
GifPartGarbageData grb = part as GifPartGarbageData;
item.Text = "Garbage data";
item.ImageIndex = 8;
}
}