private void RefreshThumbnails()
{
foreach (var item in m_thumbnailControl.Items)
{
if (item.Image != null)
{
item.Image.Dispose();
}
}
m_thumbnailControl.Selection.Clear();
m_thumbnailControl.Items.Clear();
m_thumbnailControl.Invalidate();
if (m_treeContext != null)
{
IResourceFolder currentAssetFolder = m_treeContext.GetLastSelected <IResourceFolder>();
if (currentAssetFolder == null || !m_thumbnailControl.Visible)
{
return;
}
foreach (Uri resourceUri in currentAssetFolder.ResourceUris)
{
m_thumbnailService.ResolveThumbnail(resourceUri);
string assetPath = resourceUri.LocalPath;
string assetFileName = Path.GetFileName(assetPath);
Icon shellIcon = FileIconUtil.GetFileIcon(assetFileName, FileIconUtil.IconSize.Large, false);
Bitmap tempThumbnail = shellIcon.ToBitmap();
shellIcon.Dispose();
ThumbnailControlItem item = NewItem(resourceUri, tempThumbnail);
m_thumbnailControl.Items.Add(item);
}
m_thumbnailControl.RecalculateClientSize();
}
}
private void ThumbnailManager_ThumbnailReady(object sender, ThumbnailReadyEventArgs e)
{
// get rid of temporary thumbnail
Uri resourceUri = e.ResourceUri;
ThumbnailControlItem item = GetItem(resourceUri);
if (item != null)
{
if (item.Image != null)
{
item.Image.Dispose();
}
item.Image = e.Image;
}
m_thumbnailControl.Invalidate();
}
private Uri GetClickedItemUri(Point point)
{
Uri resourceUri = null;
if (m_thumbnailControl.Visible)
{
ThumbnailControlItem item = m_thumbnailControl.PickThumbnail(point);
if (item != null)
{
resourceUri = item.Uri;
}
}
else
{
resourceUri = (Uri)m_listViewAdapter.GetItemAt(point);
}
return(resourceUri);
}
/// <summary>
/// Raises the MouseMove event</summary>
/// <param name="e">Event args</param>
protected override void OnMouseMove(MouseEventArgs e)
{
if (e.Button == MouseButtons.None)
{
ThumbnailControlItem thumbnail = PickThumbnail(new Point(e.X, e.Y));
if (thumbnail != m_hoverThumbnail)
{
m_hoverThumbnail = thumbnail;
m_hoverTimer.Start();
}
}
if (m_multiSelecting)
{
m_mousePt = e.Location;
Invalidate();
}
base.OnMouseMove(e);
}
/// <summary>
/// Raises the MouseDown event</summary>
/// <param name="e">Event args</param>
protected override void OnMouseDown(MouseEventArgs e)
{
this.Focus();
if (e.Button == MouseButtons.Left)
{
ThumbnailControlItem hitItem = PickThumbnail(e.Location);
if (hitItem != null)
{
if (!m_selection.Contains(hitItem))
{
ThumbnailControlItem[] items = { hitItem };
SelectItem(items);
}
}
else
{
m_multiSelecting = true;
m_startPt = e.Location;
m_mousePt = e.Location;
}
}
this.Invalidate();
base.OnMouseDown(e);
}
private ThumbnailControlItem NewItem(Uri resourceUri, Image image)
{
ThumbnailControlItem item = new ThumbnailControlItem(image, resourceUri);
return(item);
}