public void clearAll()
{
linesInProcess.Clear();
LineStore.clearLines();
this.SetNeedsDisplay();
}
public void deleteLine(IntPtr sender)
{
LineStore.removeCompletedLine(selectedLine);
selectedLine = null;
UIGestureRecognizer[] grs = this.GestureRecognizers;
foreach (UIGestureRecognizer gestRec in grs)
{
if (gestRec.GetType() != new UITapGestureRecognizer().GetType())
{
gestRec.Enabled = true;
}
}
this.SetNeedsDisplay();
}
public void endTouches(NSSet touches, UIEvent evt)
{
if (linesInProcess.Count < 1)
{
bool firstTouch = true;
Circle circle = null;
string key = "";
// Remove ending touches from Dictionary
foreach (UITouch t in touches)
{
if (firstTouch)
{
key = NSValue.ValueFromNonretainedObject(t).ToString();
// Find the circle for this touch
circlesInProcess.TryGetValue(key, out circle);
firstTouch = false;
}
}
// If this is a double tap, "line" will be nil
// so make sure not to add it to the array
if (circle != null)
{
LineStore.addCompletedCircle(circle);
circlesInProcess.Remove(key);
}
}
else
{
// Remove ending touches from Dictionary
foreach (UITouch t in touches)
{
string key = NSValue.ValueFromNonretainedObject(t).ToString();
// Find the line for this touch
Line line = new Line();
linesInProcess.TryGetValue(key, out line);
// If this is a double tap, "line" will be nil
// so make sure not to add it to the array
if (line != null)
{
LineStore.addCompletedLine(line);
linesInProcess.Remove(key);
}
}
}
this.SetNeedsDisplay();
}
public void endTouches(NSSet touches)
{
// Remove ending touches from Dictionary
foreach (UITouch t in touches)
{
string key = NSValue.ValueFromNonretainedObject(t).ToString();
// Find the line for this touch
Line line = new Line();
linesInProcess.TryGetValue(key, out line);
// If this is a double tap, "line" will be nil
// so make sure not to add it to the array
if (line != null)
{
LineStore.addCompletedLine(line);
linesInProcess.Remove(key);
}
}
this.SetNeedsDisplay();
}
void moveLine(UIPanGestureRecognizer gr)
{
// if no line selected, do nothing
if (selectedLine == null)
{
return;
}
// When the pan gesture recognizer changes its position...
if (gr.State == UIGestureRecognizerState.Changed)
{
// How far has the pan moved?
CGPoint translation = gr.TranslationInView(this);
// Add the translation to the current begin and end points of the line
CGPoint begin = selectedLine.begin;
CGPoint end = selectedLine.end;
begin.X += translation.X;
begin.Y += translation.Y;
end.X += translation.X;
end.Y += translation.Y;
// Set the new beginning and end points of the line
selectedLine.begin = begin;
selectedLine.end = end;
LineStore.updateCompletedLine(selectedLine);
this.SetNeedsDisplay();
gr.SetTranslation(new CGPoint(0, 0), this);
}
else if (gr.State == UIGestureRecognizerState.Ended)
{
selectedLine = null;
}
}
public TouchViewController() : base()
{
LineStore.loadItemsFromArchive();
}