ControlsPositionData BaseAlignHandler::AlignLeftTop(const List<UIControl*>& controlsList, bool isLeft)
{
ControlsPositionData resultData;
// Find the reference position. All the alignment is to be done in absolute coords.
float32 referencePos = FLT_MAX;
for (List<UIControl*>::const_iterator iter = controlsList.begin(); iter != controlsList.end(); iter ++)
{
UIControl* uiControl = *iter;
if (!uiControl)
{
continue;
}
resultData.AddControl(uiControl);
Rect absoluteRect = uiControl->GetRect(true);
float32 currentPos = isLeft ? absoluteRect.x : absoluteRect.y;
if (currentPos < referencePos)
{
referencePos = currentPos;
}
}
// Second pass - update.
for (List<UIControl*>::const_iterator iter = controlsList.begin(); iter != controlsList.end(); iter ++)
{
UIControl* uiControl = *iter;
if (!uiControl)
{
continue;
}
Rect absoluteRect = uiControl->GetRect(true);
if (isLeft)
{
float32 offsetX = absoluteRect.x - referencePos;
absoluteRect.x -= offsetX;
}
else
{
float32 offsetY = absoluteRect.y - referencePos;
absoluteRect.y -= offsetY;
}
uiControl->SetRect(absoluteRect, true);
}
return resultData;
}
ControlsPositionData BaseAlignHandler::AlignRightBottom(const List<UIControl*>& controlsList, bool isRight)
{
ControlsPositionData resultData;
// Find the bottom/right position. All the alignment is to be done in absolute coords.
float32 referencePos = FLT_MIN;
for (List<UIControl*>::const_iterator iter = controlsList.begin(); iter != controlsList.end(); iter ++)
{
UIControl* uiControl = *iter;
if (!uiControl)
{
continue;
}
resultData.AddControl(uiControl);
Rect absoluteRect = uiControl->GetRect(true);
float32 controlSize = isRight ? (absoluteRect.x + absoluteRect.dx) : (absoluteRect.y + absoluteRect.dy);
if (controlSize > referencePos)
{
referencePos = controlSize;
}
}
// Second pass - update.
for (List<UIControl*>::const_iterator iter = controlsList.begin(); iter != controlsList.end(); iter ++)
{
UIControl* uiControl = *iter;
if (!uiControl)
{
continue;
}
Rect absoluteRect = uiControl->GetRect(true);
if (isRight)
{
float32 offsetX = referencePos - (absoluteRect.x + absoluteRect.dx);
absoluteRect.x += offsetX;
}
else
{
float32 offsetY = referencePos - (absoluteRect.y + absoluteRect.dy);
absoluteRect.y += offsetY;
}
uiControl->SetRect(absoluteRect, true);
}
return resultData;
}
void ControlsAdjustSizeCommand::UndoAdjustedSize(const ControlsPositionData& sizeData)
{
for (Map<UIControl*, Rect>::const_iterator iter = sizeData.GetControlPositions().begin();
iter != sizeData.GetControlPositions().end(); iter ++)
{
UIControl* control = iter->first;
Rect rect = iter->second;
if (control)
{
control->SetRect(rect);
}
}
}
ControlsPositionData BaseAlignHandler::AlignCenter(const List<UIControl*>& controlsList, bool isHorizontal)
{
ControlsPositionData resultData;
for (List<UIControl*>::const_iterator iter = controlsList.begin(); iter != controlsList.end(); iter ++)
{
UIControl* uiControl = *iter;
if (!uiControl)
{
continue;
}
resultData.AddControl(uiControl);
}
// Perform the alignment on the first or last control, depending on the flag.
UIControl* referenceControl = GetReferenceControl(controlsList);
Vector2 referenceCenter = referenceControl->GetRect(true).GetCenter();
// Second pass - update.
for (List<UIControl*>::const_iterator iter = controlsList.begin(); iter != controlsList.end(); iter ++)
{
UIControl* uiControl = *iter;
if (!uiControl)
{
continue;
}
Rect absoluteRect = uiControl->GetRect(true);
Vector2 currentCenter = absoluteRect.GetCenter();
if (isHorizontal)
{
absoluteRect.x -= (currentCenter.x - referenceCenter.x);
}
else
{
absoluteRect.y -= (currentCenter.y - referenceCenter.y);
}
uiControl->SetRect(absoluteRect, true);
}
return resultData;
}
