/// <summary>
/// The 'Fill' command was executed.
/// </summary>
private void FitContent_Executed(object sender, ExecutedRoutedEventArgs e)
{
IList nodes = null;
if (NetworkControl.SelectedNodes.Count > 0)
{
nodes = NetworkControl.SelectedNodes;
}
else
{
nodes = ViewModel.Network.Nodes;
if (nodes.Count == 0)
{
return;
}
}
SavePrevZoomRect();
var actualContentRect = DetermineAreaOfNodes(nodes);
//
// Inflate the content rect by a fraction of the actual size of the total content area.
// This puts a nice border around the content we are fitting to the viewport.
//
actualContentRect.Inflate(NetworkControl.ActualWidth / 40, NetworkControl.ActualHeight / 40);
ZoomAndPanControl.AnimatedZoomTo(actualContentRect);
}
/// <summary>
/// When the user has finished dragging out the rectangle the zoom operation is applied.
/// </summary>
private void ApplyDragZoomRect()
{
//
// Record the previous zoom level, so that we can jump back to it when the backspace key is pressed.
//
SavePrevZoomRect();
//
// Retreive the rectangle that the user draggged out and zoom in on it.
//
var contentX = Canvas.GetLeft(DragZoomBorder);
var contentY = Canvas.GetTop(DragZoomBorder);
var contentWidth = DragZoomBorder.Width;
var contentHeight = DragZoomBorder.Height;
ZoomAndPanControl.AnimatedZoomTo(new Rect(contentX, contentY, contentWidth, contentHeight));
FadeOutDragZoomRect();
}
private void TriggerEvent(string cmd, object o)
{
try
{
switch (cmd)
{
case WindowsCmdConsts.Next_Image:
if (ImageLIst.SelectedIndex <
ImageLIst.Items.Count - 1)
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
int ind = ImageLIst.Items.IndexOf(item);
ImageLIst.SelectedIndex = ind + 1;
}
item = ImageLIst.SelectedItem as FileItem;
if (item != null)
{
ImageLIst.ScrollIntoView(item);
}
}
break;
case WindowsCmdConsts.Prev_Image:
if (ImageLIst.SelectedIndex > 0)
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
int ind = ImageLIst.Items.IndexOf(item);
ImageLIst.SelectedIndex = ind - 1;
}
item = ImageLIst.SelectedItem as FileItem;
if (item != null)
{
ImageLIst.ScrollIntoView(item);
}
}
break;
case WindowsCmdConsts.Like_Image:
if (ImageLIst.SelectedItem != null)
{
FileItem item = null;
if (o != null)
{
item = ServiceProvider.Settings.DefaultSession.GetByName(o as string);
}
else
{
item = ImageLIst.SelectedItem as FileItem;
}
if (item != null)
{
item.IsLiked = !item.IsLiked;
}
}
break;
case WindowsCmdConsts.Unlike_Image:
if (ImageLIst.SelectedItem != null)
{
FileItem item = null;
if (o != null)
{
item =
ServiceProvider.Settings.DefaultSession
.GetByName(o as string);
}
else
{
item = ImageLIst.SelectedItem as FileItem;
}
if (item != null)
{
item.IsUnLiked = !item.IsUnLiked;
}
}
break;
case WindowsCmdConsts.Del_Image:
{
DeleteItem();
}
break;
case WindowsCmdConsts.Select_Image:
FileItem fileItem = o as FileItem;
if (fileItem != null)
{
ImageLIst.SelectedValue = fileItem;
ImageLIst.ScrollIntoView(fileItem);
}
break;
case WindowsCmdConsts.Refresh_Image:
RefreshImage();
break;
case WindowsCmdConsts.Zoom_Image_Fit:
ZoomAndPanControl.AnimatedScaleToFit();
break;
case WindowsCmdConsts.Zoom_Image_100:
ZoomToFocus();
LoadFullRes();
ZoomAndPanControl.AnimatedZoomTo(1.0);
break;
case WindowsCmdConsts.Zoom_Image_200:
ZoomToFocus();
LoadFullRes();
ZoomAndPanControl.AnimatedZoomTo(2.0);
break;
case WindowsCmdConsts.RotateLeft:
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
item.Rotation--;
}
}
break;
case WindowsCmdConsts.RotateRight:
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
item.Rotation++;
}
}
break;
}
if (cmd.StartsWith(WindowsCmdConsts.ZoomPoint))
{
if (ZoomAndPanControl != null && cmd.Contains("_"))
{
var vals = cmd.Split('_');
if (vals.Count() > 2)
{
double x;
double y;
double.TryParse(vals[1], out x);
double.TryParse(vals[2], out y);
if (cmd.EndsWith("!"))
{
ZoomAndPanControl.SnapToRation(x, y);
}
else
{
ZoomAndPanControl.AnimatedSnapToRation(x, y);
}
}
}
}
}
catch (Exception exception)
{
Log.Error("Unable to process event ", exception);
}
}
private void Trigger_Event(string cmd, object o)
{
ImageLIst.Dispatcher.Invoke(new Action(delegate
{
switch (cmd)
{
case WindowsCmdConsts.Next_Image:
if (ImageLIst.SelectedIndex <
ImageLIst.Items.Count - 1)
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
int ind = ImageLIst.Items.IndexOf(item);
ImageLIst.SelectedIndex = ind + 1;
}
item = ImageLIst.SelectedItem as FileItem;
if (item != null)
{
ImageLIst.ScrollIntoView(item);
}
}
break;
case WindowsCmdConsts.Prev_Image:
if (ImageLIst.SelectedIndex > 0)
{
FileItem item =
ImageLIst.SelectedItem as FileItem;
if (item != null)
{
int ind = ImageLIst.Items.IndexOf(item);
ImageLIst.SelectedIndex = ind - 1;
}
item = ImageLIst.SelectedItem as FileItem;
if (item != null)
{
ImageLIst.ScrollIntoView(item);
}
}
break;
case WindowsCmdConsts.Like_Image:
if (ImageLIst.SelectedItem != null)
{
FileItem item = null;
if (o != null)
{
item = ServiceProvider.Settings.DefaultSession.GetByName(o as string);
}
else
{
item = ImageLIst.SelectedItem as FileItem;
}
if (item != null)
{
item.IsLiked = !item.IsLiked;
}
}
break;
case WindowsCmdConsts.Unlike_Image:
if (ImageLIst.SelectedItem != null)
{
FileItem item = null;
if (o != null)
{
item =
ServiceProvider.Settings.DefaultSession
.GetByName(o as string);
}
else
{
item = ImageLIst.SelectedItem as FileItem;
}
if (item != null)
{
item.IsUnLiked = !item.IsUnLiked;
}
}
break;
case WindowsCmdConsts.Del_Image:
{
DeleteItem();
}
break;
case WindowsCmdConsts.Select_Image:
FileItem fileItem = o as FileItem;
if (fileItem != null)
{
ImageLIst.SelectedValue = fileItem;
ImageLIst.ScrollIntoView(fileItem);
}
break;
case WindowsCmdConsts.Refresh_Image:
if (!_worker.IsBusy)
{
_worker.RunWorkerAsync(false);
}
break;
case WindowsCmdConsts.Zoom_Image_Fit:
ZoomAndPanControl.AnimatedScaleToFit();
break;
case WindowsCmdConsts.Zoom_Image_100:
LoadFullRes();
ZoomAndPanControl.AnimatedZoomTo(1.0);
break;
case WindowsCmdConsts.Zoom_Image_200:
LoadFullRes();
ZoomAndPanControl.AnimatedZoomTo(2.0);
break;
}
if (cmd.StartsWith(WindowsCmdConsts.ZoomPoint))
{
if (ZoomAndPanControl != null && cmd.Contains("_"))
{
var vals = cmd.Split('_');
if (vals.Count() > 2)
{
double x;
double y;
double.TryParse(vals[1], out x);
double.TryParse(vals[2], out y);
if (cmd.EndsWith("!"))
{
ZoomAndPanControl.SnapToRation(x, y);
}
else
{
ZoomAndPanControl.AnimatedSnapToRation(x, y);
}
}
}
}
}));
}
/// <summary>
/// Jump back to the previous zoom level.
/// </summary>
private void JumpBackToPrevZoom()
{
ZoomAndPanControl.AnimatedZoomTo(_prevZoomScale, _prevZoomRect);
ClearPrevZoomRect();
}
/// <summary>
/// The 'OneHundredPercent' command was executed.
/// </summary>
private void OneHundredPercent_Executed(object sender, ExecutedRoutedEventArgs e)
{
SavePrevZoomRect();
ZoomAndPanControl.AnimatedZoomTo(1.0);
}