private void CreateColorChooserTab()
{
CreateTab(typeof(ColorChooserView), "cc", null, Resource.Drawable.ic_palette_white_36dp, true);
ColorChooserView ccv = (ColorChooserView)LocalActivityManager.GetActivity("cc");
ViewModel.ColorChooser = ccv.ViewModel;
ccv.ColorChanged += (s, newColor) => {
RGBPi.Core.Model.DataTypes.Color c = new RGBPi.Core.Model.DataTypes.Color(newColor);
RGBPi.Core.Model.Message msg = new RGBPi.Core.Model.Message();
CC fade = new CC(c);
msg.commands = new List <RGBPi.Core.Model.Commands.Command> {
fade
};
ViewModel.SendMessage(msg);
};
}
public override bool OnTouchEvent(MotionEvent evt)
{
Parent.RequestDisallowInterceptTouchEvent(true);
// Convert coordinates to our internal coordinate system
float x = evt.GetX() - mTranslationOffset;
float y = evt.GetY() - mTranslationOffset;
switch (evt.Action)
{
case MotionEventActions.Down:
// Check whether the user pressed on the pointer.
float[] pointerPosition = calculatePointerPosition(mAngle);
if (x >= (pointerPosition [0] - mColorPointerHaloRadius) &&
x <= (pointerPosition [0] + mColorPointerHaloRadius) &&
y >= (pointerPosition [1] - mColorPointerHaloRadius) &&
y <= (pointerPosition [1] + mColorPointerHaloRadius))
{
mSlopX = x - pointerPosition [0];
mSlopY = y - pointerPosition [1];
mUserIsMovingPointer = true;
Invalidate();
}
// Check whether the user pressed on the center.
else if (x >= -mColorCenterRadius && x <= mColorCenterRadius &&
y >= -mColorCenterRadius && y <= mColorCenterRadius &&
mShowCenterOldColor)
{
mCenterHaloPaint.Alpha = (0x50);
CurrentColor = (getOldCenterColor());
Invalidate();
}
// Check whether the user pressed anywhere on the wheel.
else if (Math.Sqrt(x * x + y * y) <= mColorWheelRadius + mColorPointerHaloRadius &&
Math.Sqrt(x * x + y * y) >= mColorWheelRadius - mColorPointerHaloRadius &&
mTouchAnywhereOnColorWheelEnabled)
{
mUserIsMovingPointer = true;
Invalidate();
}
// If user did not press pointer or center, report event not handled
else
{
Parent.RequestDisallowInterceptTouchEvent(false);
return(false);
}
break;
case MotionEventActions.Move:
if (mUserIsMovingPointer)
{
mAngle = (float)Math.Atan2(y - mSlopY, x - mSlopX);
mPointerColor.Color = new Color(calculateColor(mAngle));
setNewCenterColor(mCenterNewColor = calculateColor(mAngle));
if (mOpacityBar != null)
{
mOpacityBar.setColor(mColor);
}
if (mValueBar != null)
{
mValueBar.setColor(mColor);
}
if (mSaturationBar != null)
{
mSaturationBar.setColor(mColor);
}
if (mSVbar != null)
{
mSVbar.setColor(mColor);
}
Invalidate();
}
// If user did not press pointer or center, report event not handled
else
{
Parent.RequestDisallowInterceptTouchEvent(false);
return(false);
}
break;
case MotionEventActions.Up:
mUserIsMovingPointer = false;
mCenterHaloPaint.Alpha = (0x00);
if (ColorSelected != null && mCenterNewColor != oldSelectedListenerColor)
{
ColorSelected(this, mCenterNewColor);
oldSelectedListenerColor = mCenterNewColor;
}
Invalidate();
break;
case MotionEventActions.Cancel:
if (ColorSelected != null && mCenterNewColor != oldSelectedListenerColor)
{
ColorSelected(this, mCenterNewColor);
oldSelectedListenerColor = mCenterNewColor;
}
break;
}
return(true);
}
