private void setupButtons()
{
if (m_wpt != null)
{
btnPanel.Visible = true;
fwdButton.Enabled = ffwdButton.Enabled = PhotoWaypoints.hasNextWaypoint();
backButton.Enabled = rewindButton.Enabled = PhotoWaypoints.hasPreviousWaypoint();
}
else
{
// viewing unrelated photos.
btnPanel.Visible = false;
}
PhotoDescr photoDescr = this.photoViewerControl.photoDescr;
if (photoDescr != null)
{
this.Text = "Photo Preview - " + photoDescr.imageName;
}
if (photoDescr != null && photoDescr.imageSourceIsLocal)
{
this.deleteButton.Enabled = true;
}
else
{
this.deleteButton.Enabled = false;
}
}
// can be called from different thread:
public static void BringFormUp(PhotoDescr photoDescr, Waypoint wpt)
{
try
{
if (wpt != null)
{
m_wpt = wpt;
PhotoWaypoints.SetCurrentWaypoint(m_wpt);
}
else
{
m_wpt = PhotoWaypoints.CurrentWaypoint();
}
if (photoDescr == null)
{
try
{
photoDescr = PhotoDescr.FromThumbnail(m_wpt.ThumbSource);
}
// An invalid image will throw an OutOfMemoryException
// exception
catch (OutOfMemoryException)
{
}
}
else if (wpt == null)
{
m_wpt = null; // from Unrelated photos
}
m_photoDescr = photoDescr;
if (This == null)
{
if (Project.mainForm.InvokeRequired)
{
Project.mainForm.Invoke(new MethodInvoker(RunPhotoFullSizeForm));
}
else
{
RunPhotoFullSizeForm();
}
}
else
{
if (Project.mainForm.InvokeRequired)
{
Project.mainForm.Invoke(new MethodInvoker(RunBringUp));
}
else
{
RunBringUp();
}
}
}
catch {}
}
protected override bool ProcessDialogKey(Keys keyData)
{
//LibSys.StatusBar.Trace("ProcessDialogKey: " + keyData);
bool keystrokeProcessed = true;
switch (keyData)
{
case Keys.Escape:
case Keys.Alt | Keys.F4:
this.Close();
break;
case Keys.PageUp:
PhotoWaypoints.FirstWaypoint();
preview();
break;
case Keys.PageDown:
PhotoWaypoints.LastWaypoint();
preview();
break;
case Keys.Back:
case Keys.Up:
case Keys.Left:
PhotoWaypoints.PreviousWaypoint();
preview();
break;
case Keys.Down:
case Keys.Right:
PhotoWaypoints.NextWaypoint();
preview();
break;
default:
keystrokeProcessed = false; // let KeyPress event handler handle this keystroke.
break;
}
if (keystrokeProcessed)
{
return(true);
}
else
{
return(base.ProcessDialogKey(keyData));
}
}
private void zoomCloseButton_Click(object sender, System.EventArgs e)
{
Waypoint wpt = PhotoWaypoints.CurrentWaypoint();
if (wpt != null)
{
if (Math.Round(PictureManager.This.CameraManager.Location.Elev / 10.0d) != Math.Round(Project.CAMERA_HEIGHT_REAL_CLOSE * 100.0d))
{
DlgPhotoManager.savedLocation = new GeoCoord(PictureManager.This.CameraManager.Location);
}
GeoCoord newLocation = new GeoCoord(wpt.Location);
newLocation.Elev = Project.CAMERA_HEIGHT_REAL_CLOSE * 1000.0d; // for 1m/pixel
PictureManager.This.CameraManager.SpoilPicture();
PictureManager.This.CameraManager.Location = newLocation; // calls ProcessCameraMove();
zoomCloseButton.Enabled = false;
zoomOutButton.Enabled = true;
}
}
/// <summary>
/// returns true if it could actually find something to display
/// </summary>
/// <returns></returns>
private bool preview()
{
bool ret = false;
disableButtons();
// Create an Image object from the specified file.
try
{
m_wpt = PhotoWaypoints.CurrentWaypoint();
if (m_wpt != null)
{
PhotoDescr photoDescr = PhotoDescr.FromThumbnail(m_wpt.ThumbSource);
photoViewerControl.photoDescr = m_photoDescr = photoDescr;
setPhotoDetail();
if (m_keepInView)
{
PictureManager.This.CameraManager.keepInView(m_wpt.Location);
}
PictureManager.This.CameraManager.MarkLocation(m_wpt.Location, 0);
ret = true;
}
else
{
photoViewerControl.photoDescr = m_photoDescr = null;
}
}
// An invalid image will throw an OutOfMemoryException
// exception
catch (OutOfMemoryException)
{
throw new InvalidOperationException("'" + m_wpt.ThumbSource + "' is not a valid image file.");
}
if (ret)
{
setupButtons();
}
DlgPhotoManager.sync(false);
this.BringToFront();
return(ret);
}
private void deleteButton_Click(object sender, System.EventArgs e)
{
if (m_photoDescr != null && m_photoDescr.imageSourceIsLocal)
{
string imageSource = m_photoDescr.imageSource;
try
{
string msg;
int pos = imageSource.IndexOf("|");
if (pos > 0)
{
// this is a .zip or .gpz file
string zipFileName = imageSource.Substring(0, pos);
string photoFileName = imageSource.Substring(pos + 1);
msg = "Will permanently delete entry '" + photoFileName + "' from the zip archive '" + zipFileName
+ "'.\n\nThe zip archive file will NOT be deleted.\n\nAre you sure?";
}
else
{
// plain file
msg = "Will permanently delete file '" + imageSource + "' from disk.\n\nAre you sure?";
}
string fileToDelete = null;
if (Project.YesNoBox(this, msg))
{
if (m_wpt != null)
{
if (m_wpt.TrackId == -1)
{
WaypointsCache.RemoveWaypointById(m_wpt.Id);
}
PhotoWaypoints.RemoveWaypoint(m_wpt); // from track too, if any
photoViewerControl.photoDescr = null;
fileToDelete = m_photoDescr.deleteFromDisk();
if (preview()) // will find current waypoint, if any, and set m_photoDescr
{
setPhotoDetail();
photoViewerControl.Refresh();
}
else
{
// no image to display, need to wrap up
m_photoDescr = null;
this.Close();
}
PictureManager.This.Refresh();
}
else
{
PhotoWaypoints.RemoveUnrelatedById(m_photoDescr.Id);
fileToDelete = m_photoDescr.deleteFromDisk();
if (PhotoWaypoints.PhotosUnrelated.Count > 0)
{
photoViewerControl.photoDescr = m_photoDescr = (PhotoDescr)PhotoWaypoints.PhotosUnrelated.GetByIndex(0);
setPhotoDetail();
photoViewerControl.Refresh();
this.setupButtons();
this.BringToFront();
}
else
{
photoViewerControl.photoDescr = m_photoDescr = null;
this.Close();
}
}
DlgPhotoManager.sync(true);
if (fileToDelete != null)
{
GC.Collect();
FileInfo fi = new FileInfo(fileToDelete);
fi.Delete();
}
}
}
catch (Exception exc)
{
Project.ErrorBox(this, "Failed to delete " + imageSource + "\n\nException: " + exc.Message);
this.Close();
}
}
}
private void ffwdButton_Click(object sender, System.EventArgs e)
{
PhotoWaypoints.LastWaypoint();
preview();
}
private void backButton_Click(object sender, System.EventArgs e)
{
PhotoWaypoints.PreviousWaypoint();
preview();
}
private void rewindButton_Click(object sender, System.EventArgs e)
{
PhotoWaypoints.FirstWaypoint();
preview();
}
