/// <summary>
/// Redraws the overlay<br/>
/// We need to know the stage bounds because we want to inteligently place the label (not to be clipped)
/// </summary>
/// <param name="bounds"></param>
/// <param name="stageBounds"></param>
/// <param name="text"></param>
public void Redraw(Rectangle bounds, Rectangle stageBounds, string text)
{
//Debug.Log("Setting overlay to: " + bounds + "; stageBounds: " + stageBounds);
_overlayBounds = bounds;
_stageBounds = stageBounds;
Text = text;
InvalidateSize();
InvalidateDisplayList();
}
public DragProxyTween(object target, Rectangle oldBounds, Rectangle newBounds)
{
Target = target;
OldBounds = oldBounds;
NewBounds = newBounds;
//Duration = DefaultDuration;
//Easer = DefaultEaser;
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "X"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.X),
new TweenOption(TweenOptionType.EndValue, NewBounds.X)
));
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "Y"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.Y),
new TweenOption(TweenOptionType.EndValue, NewBounds.Y)
));
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "Width"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.Width),
new TweenOption(TweenOptionType.EndValue, NewBounds.Width)
//new TweenOption(TweenOptionType.Proxy, new SetActualWidthProxy(Target))
));
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "Height"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.Height),
new TweenOption(TweenOptionType.EndValue, NewBounds.Height)
//new TweenOption(TweenOptionType.Proxy, new SetActualHeightProxy(Target))
));
/*Property = "Bounds";
//Interpolator = new RectangleInterpolator();
Duration = DefaultDuration;
Easer = DefaultEaser;
StartValueReader = new PropertyReader("Bounds");*/
}
// ReSharper restore UnassignedField.Global
#endif
public static Rectangle CalculateBounds(float parentWidth, float parentHeight, float? left, float? right, float? top, float? bottom, float? width, float? height)
{
#if DEBUG
if (DebugMode)
Debug.Log(
string.Format("CalculateBounds parentWidth: {0}; parentHeight: {1}; left: {2}; right: {3}; top: {4}; bottom: {5}; width: {6}; height: {7};",
parentWidth, parentHeight, left, right, top, bottom, width, height));
#endif
float x = left ?? 0;
float y = top ?? 0;
float w;
float h;
/*Debug.Log("parentWidth: " + parentWidth);
Debug.Log("left: " + left);
Debug.Log("right: " + right);*/
if (null != width) // explicit width defined
w = (int)width;
else
{
w = parentWidth;
if (null != left)
w -= (float) left;
if (null != right)
w -= (float) right;
w = Math.Max(0, w);
}
if (null != height) // explicit width defined
h = (int)height;
else
{
h = parentHeight;
if (null != top)
h -= (float)top;
if (null != bottom)
h -= (float)bottom;
h = Math.Max(0, h);
}
Rectangle b = new Rectangle(x, y, w, h);
//Debug.Log(b);
return b;
}
public ScaleBoundsTween(object target, Rectangle oldBounds, Rectangle newBounds)
{
Target = target;
OldBounds = oldBounds;
NewBounds = newBounds;
//Duration = DefaultDuration;
//Easer = DefaultEaser;
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "X"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.X),
new TweenOption(TweenOptionType.EndValue, NewBounds.X)
));
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "Y"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.Y),
new TweenOption(TweenOptionType.EndValue, NewBounds.Y)
));
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "Width"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.Width),
new TweenOption(TweenOptionType.EndValue, NewBounds.Width)/*,
new TweenOption(TweenOptionType.Proxy, new SetActualWidthProxy(target))*/
));
Add(Tween.New().SetOptions(
new TweenOption(TweenOptionType.Property, "Height"),
new TweenOption(TweenOptionType.Duration, DefaultDuration),
new TweenOption(TweenOptionType.Easer, DefaultEaser),
new TweenOption(TweenOptionType.StartValue, OldBounds.Height),
new TweenOption(TweenOptionType.EndValue, NewBounds.Height)/*,
new TweenOption(TweenOptionType.Proxy, new SetActualHeightProxy(target))*/
));
}
//private readonly Rectangle _retVal = new Rectangle();
public object Interpolate(float fraction, object startValue, object endValue)
{
_startValue = (Rectangle)startValue;
_endValue = (Rectangle)endValue;
// NOTE: Beware!
// You cannot use _retVal with reference types!
// That is because the first time the _retVal is being returned from this interpolator, it Bounds of the target object start referencing it
// The next moment, we are changing values here (on the same object), and when "appliing" the new values to the object,
// Equals returns true because those values are already there (it's the same Rectangle), so nothing happens
//_retVal.X = _startValue.X + (_endValue.X - _startValue.X) * fraction;
//_retVal.Y = _startValue.Y + (_endValue.Y - _startValue.Y) * fraction;
//_retVal.Width = _startValue.Width + (_endValue.Width - _startValue.Width) * fraction;
//_retVal.Height = _startValue.Height + (_endValue.Height - _startValue.Height) * fraction;
//return _retVal;
return new Rectangle(_startValue.X + (_endValue.X - _startValue.X) * fraction, _startValue.Y + (_endValue.Y - _startValue.Y) * fraction, _startValue.Width + (_endValue.Width - _startValue.Width) * fraction, _startValue.Height + (_endValue.Height - _startValue.Height) * fraction);
}
protected override void ValidateChild(DisplayObject child)
{
_childBounds = child.Transform.Bounds;
_isClippingGroup = null != _group && _group.ClipAndEnableScrolling;
_childRenderingPosition = _isClippingGroup ?
child.Transform.Position : // parent is clipping. Origin is the distance from (0, 0) of the parent
_imc.Transform.RenderingPosition.Add(child.Transform.Position); // add to rendering position
_childGlobalPosition = _imc.Transform.GlobalPosition.Add(child.Transform.Position);
_childRenderingRect = new Rect(_childRenderingPosition.X, _childRenderingPosition.Y, _childBounds.Width, _childBounds.Height);
_childLocalRenderingRect = new Rect(0, 0, _childBounds.Width, _childBounds.Height);
child.Transform.Apply(_childRenderingPosition, _childGlobalPosition, _childRenderingRect, _childLocalRenderingRect);
child.Transform.ValidateChildren(); // RECURSION! (skin etc.)
}
/// <summary>
/// Gets align bounds
/// </summary>
/// <param name="childrenBounds"></param>
/// <param name="containerBounds"></param>
/// <returns></returns>
public static Rectangle GetAlignBounds(Rectangle childrenBounds, Rectangle containerBounds)
{
float width = Math.Max(childrenBounds.Width, containerBounds.Width);
float height = Math.Max(childrenBounds.Height, containerBounds.Height);
return new Rectangle(0, 0, width, height);
}
/// <summary>
/// Centers the inner rectangle inside the given outer rectangle
/// </summary>
/// <param name="outer">Outer rectangle</param>
/// <param name="inner">Inner rectangle</param>
/// <returns>Centered rectangle</returns>
public static Rectangle CenterRectangle(Rectangle outer, Rectangle inner)
{
return new Rectangle((outer.Width - inner.Width) / 2, (outer.Height - inner.Height) / 2, inner.Width, inner.Height);
}
/// <summary>
/// Render slot
/// </summary>
/// <param name="parameters"></param>
public void RenderSlot(params object[] parameters)
{
// Checking if the current component moved and/or resized
// NOTE: Using brute force checking here (instead of listening to move and resize events)
// because the component may choose not to dispatch any events
// However - no harm done - the DesignerOverlay should be off in the production
if (null == _stage)
return;
if (null != _hoveredComponent && !_previousHoveredBounds.Equals(_hoveredComponent.Transform.GlobalBounds) && IsInspectable(_hoveredComponent))
{
_stage.Hover(_hoveredComponent);
_previousHoveredBounds = _hoveredComponent.Transform.GlobalBounds;
}
if (null != _selectedComponent && !_previousSelectedBounds.Equals(_selectedComponent.Transform.GlobalBounds) && IsInspectable(_selectedComponent))
{
_stage.Select(_selectedComponent);
_previousSelectedBounds = _selectedComponent.Transform.GlobalBounds;
}
}
public static Rectangle CenterRect(Rectangle inner, Rectangle outer)
{
//Debug.Log("inner: " + inner + "; outer: " + outer);
return new Rectangle((outer.Width - inner.Width) / 2, (outer.Height - inner.Height) / 2, inner.Width, inner.Height);
}
/**
*
*/
override internal Rectangle GetElementBoundsRightOfScrollRect(Rectangle scrollRect)
{
var bounds = new Rectangle();
// Find the column that spans or is to the right of the scrollRect right edge.
int column = (int) Math.Floor((double) ((scrollRect.Right + 1 + _horizontalGap) / (_columnWidth + _horizontalGap)));
bounds.Left = LeftEdge(column);
bounds.Right = RightEdge(column);
return bounds;
}
/// <summary>
/// Returns true if two rectangles intersect
/// </summary>
/// <param name="rectangle"></param>
/// <returns></returns>
public bool Intersects(Rectangle rectangle)
{
// reverse logic - early exit
return !(Left > rectangle.Right ||
Right < rectangle.Left ||
Top > rectangle.Bottom ||
Bottom < rectangle.Top);
}
/// <summary>
/// Checks if a given rectangle is placed inside this rectangle
/// </summary>
/// <param name="rectangle"></param>
/// <returns></returns>
public bool Contains(Rectangle rectangle)
{
return (rectangle.Left >= Left &&
rectangle.Right <= Right &&
rectangle.Top >= Top &&
rectangle.Bottom <= Bottom);
}
/// <summary>
/// We should listen the mouse move events over the component
/// If mouse moved over the event, we should check border and draw overlay
/// </summary>
/// <param name="e"></param>
private void ComponentMouseMoveHandler(Event e)
{
if (!Enabled)
return;
Debug.Log(string.Format("ComponentMouseMoveHandler [{0}, {1}]", e.Phase, e.CurrentTarget));
if (!(e.Target is DisplayListMember))
return;
DisplayListMember dlm = (DisplayListMember)e.Target;
MouseEvent me = (MouseEvent)e;
//Container container = _component as Container;
//Point coordsInComponentSpace = null != container ?
// container.GlobalToContent(dlm.LocalToGlobal(me.LocalPosition)) :
// _component.GlobalToLocal(dlm.LocalToGlobal(me.LocalPosition));
Point coordsInComponentSpace = _component.GlobalToLocal(dlm.LocalToGlobal(me.LocalPosition));
// if some component is already being dragged/resized, do not draw borders on hover
if (DragManager.IsDragging)
return;
if (_constraintMode)
{
_constrainedRect = _constraintMetrics.GetConstrainedRectangle(_component.Transform.LocalBounds);
DoRenderOverlay = _constrainedRect.Contains(coordsInComponentSpace);
}
else
{
DoRenderOverlay = true;
}
if (DoRenderOverlay)
{
e.Cancel();
}
}
public virtual Rectangle GlobalToLocal(Rectangle r)
{
Rectangle r2 = (Rectangle)r.Clone();
r2.Position = GlobalToLocal(r2.Position);
return r2;
}
/// <summary>
/// Constrains this rectangle with the outer one
/// </summary>
/// <param name="outer"></param>
/// <returns></returns>
public Rectangle GetConstrainedRectangle(Rectangle outer)
{
Rectangle rect = new Rectangle();
if (null != Left)
rect.X = outer.X + (float) Left;
if (null != Width)
rect.Width = (float)Width;
else if (null != Right)
rect.Width = outer.Width - rect.X - (float)Right;
if (null != Top)
rect.Y = outer.Y + (float)Top;
if (null != Height)
rect.Height = (float)Height;
else if (null != Bottom)
rect.Height = outer.Height - rect.Y - (float)Bottom;
//Debug.Log((" -> result: " + rect));
return rect;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
protected Point CalculatePopUpPosition()
{
Point regPoint = new Point();
/*if (!matrix)
return regPoint;*/
var popUpBounds = new Rectangle();
var popUpAsDisplayObject = _popup as DisplayObject;
DeterminePosition(_popupPosition, popUpAsDisplayObject.Width, popUpAsDisplayObject.Height,
/*matrix, */regPoint, popUpBounds);
PopupPosition adjustedPosition = PopupPosition.Above;
bool isAdjusted = false;
var screenSize = SystemManager.Instance.ScreenSize;
// Position the popUp in the opposite direction if it
// does not fit on the screen.
switch(_popupPosition)
{
case PopupPosition.Below :
if (popUpBounds.Bottom > screenSize.Y) {
adjustedPosition = PopupPosition.Above;
isAdjusted = true;
}
break;
case PopupPosition.Above :
if (popUpBounds.Top < 0)
{
adjustedPosition = PopupPosition.Below;
isAdjusted = true;
}
break;
case PopupPosition.Left :
if (popUpBounds.Left < 0)
{
adjustedPosition = PopupPosition.Right;
isAdjusted = true;
}
break;
case PopupPosition.Right :
if (popUpBounds.Right > screenSize.X)
{
adjustedPosition = PopupPosition.Left;
isAdjusted = true;
}
break;
}
// Get the new registration point based on the adjusted position
if (isAdjusted)
{
var adjustedRegPoint = new Point();
var adjustedBounds = new Rectangle();
DeterminePosition((PopupPosition) adjustedPosition, popUpAsDisplayObject.Width,
popUpAsDisplayObject.Height,
/*matrix, */adjustedRegPoint, adjustedBounds);
// If we adjusted the position but the popUp still doesn't fit,
// then revert to the original position.
switch(adjustedPosition)
{
case PopupPosition.Below :
if (adjustedBounds.Bottom > screenSize.Y)
isAdjusted = false;
break;
case PopupPosition.Above :
if (adjustedBounds.Top < 0)
isAdjusted = false;
break;
case PopupPosition.Left :
if (adjustedBounds.Left < 0)
isAdjusted = false;
break;
case PopupPosition.Right :
if (adjustedBounds.Right > screenSize.X)
isAdjusted = false;
break;
}
if (isAdjusted)
{
regPoint = adjustedRegPoint;
popUpBounds = adjustedBounds;
}
}
/*MatrixUtil.decomposeMatrix(decomposition, matrix, 0, 0);
var concatScaleX:Number = decomposition[3];
var concatScaleY:Number = decomposition[4]; */
// If the popUp still doesn't fit, then nudge it
// so it is completely on the screen. Make sure to include scale.
if (popUpBounds.Top < 0)
regPoint.Y += (0 - popUpBounds.Top); // / concatScaleY;
else if (popUpBounds.Bottom > screenSize.Y)
regPoint.Y -= (popUpBounds.Bottom - screenSize.Y); // / concatScaleY;
if (popUpBounds.Left < 0)
regPoint.X += (0 - popUpBounds.Left); // / concatScaleX;
else if (popUpBounds.Right > screenSize.X)
regPoint.X -= (popUpBounds.Right - screenSize.X);// / concatScaleX;
return LocalToGlobal(regPoint);
//return matrix.transformPoint(regPoint);
}
internal void RenderHandler(object parameter)
{
if (null == _stage) // could be null on application recompile
return;
if (_sticky != Sticky)
{
#if DEBUG
if (DebugMode)
Debug.Log("Sticky changed");
#endif
_sticky = Sticky;
if (!_sticky)
HideOverlay();
}
// Checking if the current component moved and/or resized
// NOTE: Using brute force checking here (instead of listening to move and resize events)
// because the component may choose not to dispatch any events
// However - no harm done - the GuiInspector should be off in the production
if (null != _currentComponent) // && null != _stage)
{
if (!_previousBounds.Equals(_currentComponent.Transform.GlobalBounds) && IsInspectable(_currentComponent))
{
_stage.DoShowOverlay(_currentComponent);
_previousBounds = _currentComponent.Transform.GlobalBounds;
}
}
}
/// <summary>
/// Centers THIS rectangle inside the given outer rectangle
/// </summary>
/// <param name="outerRectangle"></param>
/// <returns>Centered (THIS) rectangle</returns>
public Rectangle CenterInside(Rectangle outerRectangle)
{
//Debug.Log("outerRectangle: " + outerRectangle);
return CenterRectangle(outerRectangle, this);
}
private void ComponentMouseDownHandler(Event e)
{
Debug.Log(string.Format("ComponentMouseDownHandler [{0}, {1}]", e.Phase, e.CurrentTarget));
if (!Enabled)
return;
if (AutoBringToFront)
_component.BringToFront();
MouseEvent me = (MouseEvent) e;
//var container = _component.Parent as Container; // 20121125 (because dragging didn't work well when parent scrolled)
//_startCoordinates = null != container ?
// container.GlobalToContent(_component.Transform.GlobalPosition) : // GlobalToContent no more - TODO
// _component.Parent.GlobalToLocal(_component.Transform.GlobalPosition);
_clickCoordinates = me.GlobalPosition;
if (_constraintMode)
{
_constrainedRect = _constraintMetrics.GetConstrainedRectangle(_component.Transform.LocalBounds);
if (!_constrainedRect.Contains(me.LocalPosition))
return;
}
e.CancelAndStopPropagation();
DragManager.IsDragging = true;
SystemEventDispatcher.Instance.AddEventListener(MouseEvent.MOUSE_MOVE, MouseMoveHandler);
SystemEventDispatcher.Instance.AddEventListener(MouseEvent.MOUSE_UP, MouseUpHandler);
if (-1 == _cursorId)
{
_cursorId = CursorManager.Instance.SetCursor(CursorType.Move, CursorPriority.High);
}
}
/// <summary>
/// Constrains this rectangle inside another rectangle's bounds
/// </summary>
/// <param name="rectangle"></param>
public void ConstrainWithin(Rectangle rectangle)
{
X = Math.Max(X, rectangle.X);
Y = Math.Max(Y, rectangle.Y);
Right = Math.Min(Right, rectangle.Right);
Bottom = Math.Min(Bottom, rectangle.Bottom);
}
private static Color _transparent = new Color(1, 1, 1, 0); // transparent
private void DrawPixels(Rectangle fillRect, int yMax, int yMin, int xMin, int xMax, bool hasStroke, Color[] pixels, int count)
{
//if (null == Fill)
// Fill = new Fill(new Color(1, 1, 1, 0)); // transparent
for (int y = yMax; y > yMin; y--)
{
for (int x = xMin; x < xMax; x++)
{
_isFill = false;
_isStroke = false;
_point.X = x;
_point.Y = y;
_isFill = fillRect.Contains(_point);
if (hasStroke && !_isFill)
_isStroke = Bounds.Contains(_point);
_color = _transparent; // new Color(1, 1, 1, 0); // transparent
if (_isFill && null != Fill) {
_color = CalculatePixelColor(Fill, y, x);
}
else if (_isStroke && null != Stroke) {
_color = CalculatePixelColor(Stroke, x, y);
}
pixels[count] = _color;
count++;
}
}
}
/// <summary>
/// Equality
/// </summary>
/// <param name="other"></param>
/// <returns></returns>
public bool Equals(Rectangle other)
{
if (ReferenceEquals(null, other)) return false;
//if (ReferenceEquals(this, other)) return true; // commented 20120625
return other._x == _x && other._y == _y && other._width == _width && other._height == _height;
}
internal virtual Rectangle GetElementBoundsAboveScrollRect(Rectangle scrollRect) // TEMP internal (protected)
{
return new Rectangle { Top = scrollRect.Top - 1, Bottom = scrollRect.Top };
}
/**
*
*/
override internal int GetNavigationDestinationIndex(int currentIndex, NavigationUnit navigationUnit, bool arrowKeysWrapFocus)
{
if (null == Target || Target.NumberOfContentChildren < 1)
return -1;
int maxIndex = Target.NumberOfContentChildren - 1;
// Special case when nothing was previously selected
if (currentIndex == -1)
{
if (navigationUnit == NavigationUnit.Up || navigationUnit == NavigationUnit.Left)
return arrowKeysWrapFocus ? maxIndex : -1;
if (navigationUnit == NavigationUnit.Down || navigationUnit == NavigationUnit.Right)
return 0;
}
// Make sure currentIndex is within range
bool inRows = _orientation == TileOrientation.Rows;
currentIndex = Math.Max(0, Math.Min(maxIndex, currentIndex));
// Find the current column and row
int currentRow;
int currentColumn;
if (inRows)
{
// Is the TileLayout initialized with valid values?
if (_columnCount == 0 || _rowHeight + _verticalGap == 0)
return currentIndex;
currentRow = currentIndex / _columnCount;
currentColumn = currentIndex - currentRow * _columnCount;
}
else
{
// Is the TileLayout initialized with valid values?
if (_rowCount == 0 || _columnWidth + _horizontalGap == 0)
return currentIndex;
currentColumn = currentIndex / _rowCount;
currentRow = currentIndex - currentColumn * _rowCount;
}
int newRow = currentRow;
int newColumn = currentColumn;
// Handle user input, almost all range checks are
// performed after the calculations, at the end of the method.
switch (navigationUnit)
{
case NavigationUnit.Left:
{
// If we are at the first column, can
// we go to the previous element (last column, previous row)?
if (newColumn == 0 && inRows && newRow > 0)
{
newRow--;
newColumn = _columnCount - 1;
}
else if (arrowKeysWrapFocus && newColumn == 0 && inRows && newRow == 0)
{
newRow = _rowCount - 1;
newColumn = _columnCount - 1;
}
else
newColumn--;
break;
}
case NavigationUnit.Right:
{
// If we are at the last column, can
// we go to the next element (first column, next row)?
if (newColumn == _columnCount - 1 && inRows && newRow < _rowCount - 1)
{
newColumn = 0;
newRow++;
}
else if (arrowKeysWrapFocus && newColumn == _columnCount - 1 && inRows && newRow == _rowCount - 1)
{
newColumn = 0;
newRow = 0;
}
else
newColumn++;
break;
}
case NavigationUnit.Up:
{
// If we are at the first row, can we
// go to the previous element (previous column, last row)?
if (newRow == 0 && !inRows && newColumn > 0)
{
newColumn--;
newRow = _rowCount - 1;
}
else if (arrowKeysWrapFocus && newRow == 0 && !inRows && newColumn == 0)
{
newColumn = _columnCount - 1;
newRow = _rowCount - 1;
}
else
newRow--;
break;
}
case NavigationUnit.Down:
{
// If we are at the last row, can we
// go to the next element (next column, first row)?
if (newRow == _rowCount - 1 && !inRows && newColumn < _columnCount - 1)
{
newColumn++;
newRow = 0;
}
else if (arrowKeysWrapFocus && newRow == _rowCount - 1 && !inRows && newColumn == _columnCount - 1)
{
newColumn = 0;
newRow = 0;
}
else
newRow++;
break;
}
case NavigationUnit.PageUp:
case NavigationUnit.PageDown:
{
// Ensure we have a valid scrollRect as we use it for calculations below
Rectangle scrollRect = GetScrollRect();
if (null == scrollRect)
scrollRect = new Rectangle(0, 0, Target.ContentWidth, Target.ContentHeight);
if (inRows)
{
int firstVisibleRow = (int) Mathf.Ceil(scrollRect.Top / ((float)_rowHeight + _verticalGap));
int lastVisibleRow = (int) Mathf.Floor(scrollRect.Bottom / ((float)_rowHeight + _verticalGap));
if (navigationUnit == NavigationUnit.PageUp)
{
// Is the current row visible, somewhere in the middle of the scrollRect?
if (firstVisibleRow < currentRow && currentRow <= lastVisibleRow)
newRow = firstVisibleRow;
else
newRow = 2 * firstVisibleRow - lastVisibleRow;
}
else
{
// Is the current row visible, somewhere in the middle of the scrollRect?
if (firstVisibleRow <= currentRow && currentRow < lastVisibleRow)
newRow = lastVisibleRow;
else
newRow = 2 * lastVisibleRow - firstVisibleRow;
}
}
else
{
int firstVisibleColumn = (int) Mathf.Ceil(scrollRect.Left / ((float)_columnWidth + _horizontalGap));
int lastVisibleColumn = (int) Mathf.Floor(scrollRect.Right / ((float)_columnWidth + _horizontalGap));
if (navigationUnit == NavigationUnit.PageUp)
{
// Is the current column visible, somewhere in the middle of the scrollRect?
if (firstVisibleColumn < currentColumn && currentColumn <= lastVisibleColumn)
newColumn = firstVisibleColumn;
else
newColumn = 2 * firstVisibleColumn - lastVisibleColumn;
}
else
{
// Is the current column visible, somewhere in the middle of the scrollRect?
if (firstVisibleColumn <= currentColumn && currentColumn < lastVisibleColumn)
newColumn = lastVisibleColumn;
else
newColumn = 2 * lastVisibleColumn - firstVisibleColumn;
}
}
break;
}
default:
return base.GetNavigationDestinationIndex(currentIndex, navigationUnit, arrowKeysWrapFocus);
}
// Make sure rows and columns are within range
newRow = Math.Max(0, Math.Min(_rowCount - 1, newRow));
newColumn = Math.Max(0, Math.Min(_columnCount - 1, newColumn));
// Calculate the new index based on orientation
if (inRows)
{
// Make sure we don't return an index for an empty space in the last row.
// newRow is guaranteed to be greater than zero:
// Step 1: We can end up at the empty space in the last row if we moved right from
// the last item.
if (currentIndex == maxIndex && newColumn > currentColumn)
newColumn = currentColumn;
// Step 2: We can end up at the empty space in the last row if we moved down from
// the previous row.
if (newRow == _rowCount - 1 && newColumn > maxIndex - _columnCount * (_rowCount - 1))
newRow--;
return newRow * _columnCount + newColumn;
}
else
{
// Make sure we don't return an index for an empty space in the last column.
// newColumn is guaranteed to be greater than zero:
// Step 1: We can end up at the empty space in the last column if we moved down from
// the last item.
if (currentIndex == maxIndex && newRow > currentRow)
newRow = currentRow;
// Step 2: We can end up at the empty space in the last column if we moved right from
// the previous column.
if (newColumn == _columnCount - 1 && newRow > maxIndex - _rowCount * (_columnCount - 1))
newColumn--;
return newColumn * _rowCount + newRow;
}
}
/// <summary>
/// Mouse move handler
/// Fires when in processing mode (resizing)
/// </summary>
/// <param name="e"></param>
private void MouseMoveHandler(Event e)
{
if (!IsResizing)
return;
e.CancelAndStopPropagation();
MouseEvent me = (MouseEvent)e;
Point position;
position = me.GlobalPosition;
var delta = position.Subtract(_clickCoords);
switch (_resizeMode)
{
case ResizeMode.Right:
_newBounds = _origBounds.Expand(0, delta.X, 0, 0);
break;
case ResizeMode.Left:
_newBounds = _origBounds.Expand(-delta.X, 0, 0, 0);
break;
case ResizeMode.Top:
_newBounds = _origBounds.Expand(0, 0, -delta.Y, 0);
break;
case ResizeMode.Bottom:
_newBounds = _origBounds.Expand(0, 0, 0, delta.Y);
break;
case ResizeMode.TopLeft:
_newBounds = _origBounds.Expand(-delta.X, 0, -delta.Y, 0);
break;
case ResizeMode.TopRight:
_newBounds = _origBounds.Expand(0, delta.X, -delta.Y, 0);
break;
case ResizeMode.BottomLeft:
_newBounds = _origBounds.Expand(-delta.X, 0, 0, delta.Y);
break;
case ResizeMode.BottomRight:
_newBounds = _origBounds.Expand(0, delta.X, 0, delta.Y);
break;
}
// gracefully handle the minimum sizes set by the user
_newBounds.X = Mathf.Min(_newBounds.X, _origBounds.Right - _component.MinWidth);
_newBounds.Y = Mathf.Min(_newBounds.Y, _origBounds.Bottom - _component.MinHeight);
_newBounds.Width = Mathf.Min(Mathf.Max(_newBounds.Width, _component.MinWidth), _component.MaxWidth); // MeasuredMinWidth
_newBounds.Height = Mathf.Min(Mathf.Max(_newBounds.Height, _component.MinHeight), _component.MaxHeight);
// apply
if (ChangeExplicitSize)
{
_component.Width = _newBounds.Width;
_component.Height = _newBounds.Height;
}
else
{
_component.SetActualSize(_newBounds.Width, _newBounds.Height);
}
_component.Move(_newBounds.X, _newBounds.Y);
/**
* When resizing by the top/left edge, the visual jitter can be observed in component's right-aligned children
* so to avoid this jitter, we should validate now
* */
if (_resizeMode == ResizeMode.Left ||
_resizeMode == ResizeMode.Top ||
_resizeMode == ResizeMode.TopLeft)
{
//_component.ValidateNow();
}
}
/**
*
*/
override internal Rectangle GetElementBoundsBelowScrollRect(Rectangle scrollRect)
{
var bounds = new Rectangle();
// Find the row that spans or is below the scrollRect bottom edge
int row = (int) Math.Floor((double) ((scrollRect.Bottom + 1 + _verticalGap) / (_rowHeight + _verticalGap)));
bounds.Top = TopEdge(row);
bounds.Bottom = BottomEdge(row);
return bounds;
}
internal virtual Rectangle GetElementBoundsBelowScrollRect(Rectangle scrollRect) // TEMP internal (protected)
{
return new Rectangle { Top = scrollRect.Bottom, Bottom = scrollRect.Bottom + 1 };
}
internal virtual Rectangle GetElementBoundsRightOfScrollRect(Rectangle scrollRect) // TEMP internal (protected)
{
return new Rectangle {Left = scrollRect.Right , Right = scrollRect.Right + 1};
}
/**
*
*/
internal void DeterminePosition(PopupPosition placement, float popUpWidth, float popUpHeight,
/*matrix:Matrix, */Point registrationPoint, Rectangle bounds)
{
switch(placement)
{
case PopupPosition.Below:
registrationPoint.X = 0;
registrationPoint.Y = Height;
break;
case PopupPosition.Above:
registrationPoint.X = 0;
registrationPoint.Y = -popUpHeight;
break;
case PopupPosition.Left:
registrationPoint.X = -popUpWidth;
registrationPoint.Y = 0;
break;
case PopupPosition.Right:
registrationPoint.X = Width;
registrationPoint.Y = 0;
break;
case PopupPosition.Center:
registrationPoint.X = (Width - popUpWidth) / 2;
registrationPoint.Y = (Height - popUpHeight) / 2;
break;
case PopupPosition.TopLeft:
// already 0,0
break;
}
//var popUpAsDisplayObject = _popup as DisplayObject;
/*Point globalTl = (Point) registrationPoint.Clone(); //matrix.transformPoint(registrationPoint);
registrationPoint.Y += popUpAsDisplayObject.Height;
Point globalBl = (Point) registrationPoint.Clone(); //matrix.transformPoint(registrationPoint);
registrationPoint.X += popUpAsDisplayObject.Width;
Point globalBr = (Point) registrationPoint.Clone(); //matrix.transformPoint(registrationPoint);
registrationPoint.Y -= popUpAsDisplayObject.Height;
Point globalTr = (Point) registrationPoint.Clone(); //matrix.transformPoint(registrationPoint);
registrationPoint.X -= popUpAsDisplayObject.Width;
bounds.Left = Mathf.Min(globalTl.X, globalBl.X, globalBr.X, globalTr.X);
bounds.Right = Mathf.Max(globalTl.X, globalBl.X, globalBr.X, globalTr.X);
bounds.Top = Mathf.Min(globalTl.Y, globalBl.Y, globalBr.Y, globalTr.Y);
bounds.Bottom = Mathf.Max(globalTl.Y, globalBl.Y, globalBr.Y, globalTr.Y);*/
var globalRegPoint = Parent.LocalToGlobal(registrationPoint);
bounds.X = globalRegPoint.X;
bounds.Y = globalRegPoint.Y;
bounds.Width = popUpWidth;
bounds.Height = popUpHeight;
}
