void UIListView::collectOverTopChild()
{
float scroll_top = _topBoundary;
ccArray* arrayChildren = _children->data;
int times = arrayChildren->num;
for (int i = 0; i < times; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(arrayChildren->arr[i]);
float child_bottom = child->getBottomInParent();
if (child_bottom >= scroll_top)
{
_overTopArray->addObject(child);
}
}
}
void UIListView::setLoopPosition()
{
switch (_direction)
{
case LISTVIEW_DIR_VERTICAL: // vertical
switch (_moveDirection)
{
case LISTVIEW_MOVE_DIR_UP: // up
{
ccArray* arrayChildren = _children->data;
unsigned int childrenCount = arrayChildren->num;
if (_overTopArray->count() == childrenCount)
{
unsigned int count = childrenCount;
for (unsigned int i = 0; i < count; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(_overTopArray->getObjectAtIndex(i));
if (i == 0)
{
float height = child->getSize().height;
float offset = (child->getWidgetType() == WidgetTypeWidget) ? height / 2 : height;
float y = _topBoundary - _disBoundaryToChild_0 - offset;
child->setPosition(Point(child->getPosition().x, y));
}
else
{
UIWidget* prev_child = dynamic_cast<UIWidget*>(_overTopArray->getObjectAtIndex(i - 1));
child->setPosition(Point(child->getPosition().x, prev_child->getPosition().y - _disBetweenChild));
}
}
}
else
{
float scroll_top = _topBoundary;
ccArray* arrayChildren = _children->data;
int count = arrayChildren->num;
for (int i = 0; i < count; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(arrayChildren->arr[i]);
float child_bottom = child->getBottomInParent();
if (child_bottom >= scroll_top)
{
int index = (i == 0) ? (count - 1) : (i - 1);
UIWidget* prev_child = dynamic_cast<UIWidget*>(arrayChildren->arr[index]);
child->setPosition(Point(child->getPosition().x, prev_child->getPosition().y - _disBetweenChild));
}
}
}
}
break;
case LISTVIEW_MOVE_DIR_DOWN: // down
{
ccArray* arrayChildren = _children->data;
unsigned int childrenCount = arrayChildren->num;
if (_overBottomArray->count() == childrenCount)
{
unsigned int count = childrenCount;
for (unsigned int i = 0; i < count; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(_overBottomArray->getObjectAtIndex(i));
if (i == 0)
{
float y = _bottomBoundary + _disBoundaryToChild_0 - _disBetweenChild;
child->setPosition(Point(child->getPosition().x, y));
}
else
{
UIWidget* prev_child = dynamic_cast<UIWidget*>(_overBottomArray->getObjectAtIndex(i - 1));
child->setPosition(Point(child->getPosition().x, prev_child->getPosition().y + _disBetweenChild));
}
}
}
else
{
float scroll_bottom = _bottomBoundary;
ccArray* arrayChildren = _children->data;
int count = arrayChildren->num;
for (int i = count - 1; i >= 0; --i)
{
UIWidget* child = dynamic_cast<UIWidget*>(arrayChildren->arr[i]);
float child_top = child->getTopInParent();
if (child_top <= scroll_bottom)
{
int index = (i == count - 1) ? 0 : (i + 1);
UIWidget* next_child = dynamic_cast<UIWidget*>(arrayChildren->arr[index]);
child->setPosition(Point(child->getPosition().x, next_child->getPosition().y + _disBetweenChild));
}
}
}
}
break;
default:
break;
}
break;
case LISTVIEW_DIR_HORIZONTAL: // horizontal
switch (_moveDirection)
{
case LISTVIEW_MOVE_DIR_LEFT: // left
{
ccArray* arrayChildren = _children->data;
unsigned int childrenCount = arrayChildren->num;
if (_overLeftArray->count() == childrenCount)
{
unsigned int count = childrenCount;
for (unsigned int i = 0; i < count; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(_overLeftArray->getObjectAtIndex(i));
if (i == 0)
{
float width = child->getSize().width;
float offset = (child->getWidgetType() == WidgetTypeWidget) ? (width / 2) : 0;
float x = _leftBoundary + _disBoundaryToChild_0 + width + offset;
child->setPosition(Point(x, child->getPosition().y));
}
else
{
UIWidget* prev_child = dynamic_cast<UIWidget*>(_overLeftArray->getObjectAtIndex(i - 1));
child->setPosition(Point(prev_child->getPosition().x + _disBetweenChild, child->getPosition().y));
}
}
}
else
{
float scroll_left = _leftBoundary;
ccArray* arrayChildren = _children->data;
int count = arrayChildren->num;
for (int i = 0; i < count; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(arrayChildren->arr[i]);
float child_right = child->getRightInParent();
if (child_right <= scroll_left)
{
int index = (i == 0) ? (count - 1) : (i - 1);
UIWidget* prev_child = dynamic_cast<UIWidget*>(arrayChildren->arr[index]);
child->setPosition(Point(prev_child->getPosition().x + _disBetweenChild, child->getPosition().y));
}
}
}
}
break;
case LISTVIEW_MOVE_DIR_RIGHT: // right
{
ccArray* arrayChildren = _children->data;
unsigned int childrenCount = arrayChildren->num;
if (_overRightArray->count() == childrenCount)
{
unsigned int count = childrenCount;
for (unsigned int i = 0; i < count; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(_overRightArray->getObjectAtIndex(i));
if (i == 0)
{
float x = _rightBoundary - _disBoundaryToChild_0 + _disBetweenChild;
child->setPosition(Point(x, child->getPosition().y));
}
else
{
UIWidget* prev_child = dynamic_cast<UIWidget*>(_overRightArray->getObjectAtIndex(i - 1));
child->setPosition(Point(prev_child->getPosition().x - _disBetweenChild, child->getPosition().y));
}
}
}
else
{
float scroll_right = _rightBoundary;
ccArray* arrayChildren = _children->data;
int count = arrayChildren->num;
for (int i = count - 1; i >= 0; --i)
{
UIWidget* child = dynamic_cast<UIWidget*>(arrayChildren->arr[i]);
float child_left = child->getLeftInParent();
if (child_left >= scroll_right)
{
int index = (i == count - 1) ? 0 : (i + 1);
UIWidget* next_child = dynamic_cast<UIWidget*>(arrayChildren->arr[index]);
child->setPosition(Point(next_child->getPosition().x - _disBetweenChild, child->getPosition().y));
}
}
}
}
break;
default:
break;
}
break;
default:
break;
}
}
void UILayout::doLayout()
{
switch (m_eLayoutType)
{
case LAYOUT_ABSOLUTE:
break;
case LAYOUT_LINEAR_VERTICAL:
{
ccArray* layoutChildrenArray = getChildren()->data;
int length = layoutChildrenArray->num;
CCSize layoutSize = getSize();
float topBoundary = layoutSize.height;
for (int i=0; i<length; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(layoutChildrenArray->arr[i]);
UILinearLayoutParameter* layoutParameter = dynamic_cast<UILinearLayoutParameter*>(child->getLayoutParameter(LAYOUT_PARAMETER_LINEAR));
if (layoutParameter)
{
UILinearGravity childGravity = layoutParameter->getGravity();
CCPoint ap = child->getAnchorPoint();
CCSize cs = child->getSize();
float finalPosX = ap.x * cs.width;
float finalPosY = topBoundary - ((1.0f-ap.y) * cs.height);
switch (childGravity)
{
case LINEAR_GRAVITY_NONE:
case LINEAR_GRAVITY_LEFT:
break;
case LINEAR_GRAVITY_RIGHT:
finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width);
break;
case LINEAR_GRAVITY_CENTER_HORIZONTAL:
finalPosX = layoutSize.width / 2.0f - cs.width * (0.5f-ap.x);
break;
default:
break;
}
UIMargin mg = layoutParameter->getMargin();
finalPosX += mg.left;
finalPosY -= mg.top;
child->setPosition(ccp(finalPosX, finalPosY));
topBoundary = child->getBottomInParent() - mg.bottom;
}
}
break;
}
case LAYOUT_LINEAR_HORIZONTAL:
{
ccArray* layoutChildrenArray = getChildren()->data;
int length = layoutChildrenArray->num;
CCSize layoutSize = getSize();
float leftBoundary = 0.0f;
for (int i=0; i<length; ++i)
{
UIWidget* child = dynamic_cast<UIWidget*>(layoutChildrenArray->arr[i]);
UILinearLayoutParameter* layoutParameter = dynamic_cast<UILinearLayoutParameter*>(child->getLayoutParameter(LAYOUT_PARAMETER_LINEAR));
if (layoutParameter)
{
UILinearGravity childGravity = layoutParameter->getGravity();
CCPoint ap = child->getAnchorPoint();
CCSize cs = child->getSize();
float finalPosX = leftBoundary + (ap.x * cs.width);
float finalPosY = layoutSize.height - (1.0f - ap.y) * cs.height;
switch (childGravity)
{
case LINEAR_GRAVITY_NONE:
case LINEAR_GRAVITY_TOP:
break;
case LINEAR_GRAVITY_BOTTOM:
finalPosY = ap.y * cs.height;
break;
case LINEAR_GRAVITY_CENTER_VERTICAL:
finalPosY = layoutSize.height / 2.0f - cs.height * (0.5f - ap.y);
break;
default:
break;
}
UIMargin mg = layoutParameter->getMargin();
finalPosX += mg.left;
finalPosY -= mg.top;
child->setPosition(ccp(finalPosX, finalPosY));
leftBoundary = child->getRightInParent() + mg.right;
}
}
break;
}
case LAYOUT_RELATIVE:
{
ccArray* layoutChildrenArray = getChildren()->data;
int length = layoutChildrenArray->num;
int unlayoutChildCount = length;
CCSize layoutSize = getSize();
for (int i=0; i<length; i++)
{
UIWidget* child = dynamic_cast<UIWidget*>(layoutChildrenArray->arr[i]);
UIRelativeLayoutParameter* layoutParameter = dynamic_cast<UIRelativeLayoutParameter*>(child->getLayoutParameter(LAYOUT_PARAMETER_RELATIVE));
layoutParameter->m_bPut = false;
}
while (unlayoutChildCount > 0)
{
for (int i=0; i<length; i++)
{
UIWidget* child = dynamic_cast<UIWidget*>(layoutChildrenArray->arr[i]);
UIRelativeLayoutParameter* layoutParameter = dynamic_cast<UIRelativeLayoutParameter*>(child->getLayoutParameter(LAYOUT_PARAMETER_RELATIVE));
if (layoutParameter)
{
if (layoutParameter->m_bPut)
{
continue;
}
CCPoint ap = child->getAnchorPoint();
CCSize cs = child->getSize();
UIRelativeAlign align = layoutParameter->getAlign();
const char* relativeName = layoutParameter->getRelativeToWidgetName();
UIWidget* relativeWidget = NULL;
UIRelativeLayoutParameter* relativeWidgetLP = NULL;
float finalPosX = 0.0f;
float finalPosY = 0.0f;
if (relativeName && strcmp(relativeName, ""))
{
relativeWidget = CCUIHELPER->seekWidgetByRelativeName(this, relativeName);
if (relativeWidget)
{
relativeWidgetLP = dynamic_cast<UIRelativeLayoutParameter*>(relativeWidget->getLayoutParameter(LAYOUT_PARAMETER_RELATIVE));
}
}
switch (align)
{
case RELATIVE_ALIGN_NONE:
case RELATIVE_ALIGN_PARENT_TOP_LEFT:
finalPosX = ap.x * cs.width;
finalPosY = layoutSize.height - ((1.0f - ap.y) * cs.height);
break;
case RELATIVE_ALIGN_PARENT_TOP_CENTER_HORIZONTAL:
finalPosX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x);
finalPosY = layoutSize.height - ((1.0f - ap.y) * cs.height);
break;
case RELATIVE_ALIGN_PARENT_TOP_RIGHT:
finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width);
finalPosY = layoutSize.height - ((1.0f - ap.y) * cs.height);
break;
case RELATIVE_ALIGN_PARENT_LEFT_CENTER_VERTICAL:
finalPosX = ap.x * cs.width;
finalPosY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y);
break;
case RELATIVE_CENTER_IN_PARENT:
finalPosX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x);
finalPosY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y);
break;
case RELATIVE_ALIGN_PARENT_RIGHT_CENTER_VERTICAL:
finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width);
finalPosY = layoutSize.height * 0.5f - cs.height * (0.5f - ap.y);
break;
case RELATIVE_ALIGN_PARENT_LEFT_BOTTOM:
finalPosX = ap.x * cs.width;
finalPosY = ap.y * cs.height;
break;
case RELATIVE_ALIGN_PARENT_BOTTOM_CENTER_HORIZONTAL:
finalPosX = layoutSize.width * 0.5f - cs.width * (0.5f - ap.x);
finalPosY = ap.y * cs.height;
break;
case RELATIVE_ALIGN_PARENT_RIGHT_BOTTOM:
finalPosX = layoutSize.width - ((1.0f - ap.x) * cs.width);
finalPosY = ap.y * cs.height;
break;
case RELATIVE_LOCATION_ABOVE_LEFTALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationBottom = relativeWidget->getTopInParent();
float locationLeft = relativeWidget->getLeftInParent();
finalPosY = locationBottom + ap.y * cs.height;
finalPosX = locationLeft + ap.x * cs.width;
}
break;
case RELATIVE_LOCATION_ABOVE_CENTER:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
CCSize rbs = relativeWidget->getSize();
float locationBottom = relativeWidget->getTopInParent();
finalPosY = locationBottom + ap.y * cs.height;
finalPosX = relativeWidget->getLeftInParent() + rbs.width * 0.5f + ap.x * cs.width - cs.width * 0.5f;
}
break;
case RELATIVE_LOCATION_ABOVE_RIGHTALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationBottom = relativeWidget->getTopInParent();
float locationRight = relativeWidget->getRightInParent();
finalPosY = locationBottom + ap.y * cs.height;
finalPosX = locationRight - (1.0f - ap.x) * cs.width;
}
break;
case RELATIVE_LOCATION_LEFT_OF_TOPALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationTop = relativeWidget->getTopInParent();
float locationRight = relativeWidget->getLeftInParent();
finalPosY = locationTop - (1.0f - ap.y) * cs.height;
finalPosX = locationRight - (1.0f - ap.x) * cs.width;
}
break;
case RELATIVE_LOCATION_LEFT_OF_CENTER:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
CCSize rbs = relativeWidget->getSize();
float locationRight = relativeWidget->getLeftInParent();
finalPosX = locationRight - (1.0f - ap.x) * cs.width;
finalPosY = relativeWidget->getBottomInParent() + rbs.height * 0.5f + ap.y * cs.height - cs.height * 0.5f;
}
break;
case RELATIVE_LOCATION_LEFT_OF_BOTTOMALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationBottom = relativeWidget->getBottomInParent();
float locationRight = relativeWidget->getLeftInParent();
finalPosY = locationBottom + ap.y * cs.height;
finalPosX = locationRight - (1.0f - ap.x) * cs.width;
}
break;
case RELATIVE_LOCATION_RIGHT_OF_TOPALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationTop = relativeWidget->getTopInParent();
float locationLeft = relativeWidget->getRightInParent();
finalPosY = locationTop - (1.0f - ap.y) * cs.height;
finalPosX = locationLeft + ap.x * cs.width;
}
break;
case RELATIVE_LOCATION_RIGHT_OF_CENTER:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
CCSize rbs = relativeWidget->getSize();
float locationLeft = relativeWidget->getRightInParent();
finalPosX = locationLeft + ap.x * cs.width;
finalPosY = relativeWidget->getBottomInParent() + rbs.height * 0.5f + ap.y * cs.height - cs.height * 0.5f;
}
break;
case RELATIVE_LOCATION_RIGHT_OF_BOTTOMALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationBottom = relativeWidget->getBottomInParent();
float locationLeft = relativeWidget->getRightInParent();
finalPosY = locationBottom + ap.y * cs.height;
finalPosX = locationLeft + ap.x * cs.width;
}
break;
case RELATIVE_LOCATION_BELOW_LEFTALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationTop = relativeWidget->getBottomInParent();
float locationLeft = relativeWidget->getLeftInParent();
finalPosY = locationTop - (1.0f - ap.y) * cs.height;
finalPosX = locationLeft + ap.x * cs.width;
}
break;
case RELATIVE_LOCATION_BELOW_CENTER:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
CCSize rbs = relativeWidget->getSize();
float locationTop = relativeWidget->getBottomInParent();
finalPosY = locationTop - (1.0f - ap.y) * cs.height;
finalPosX = relativeWidget->getLeftInParent() + rbs.width * 0.5f + ap.x * cs.width - cs.width * 0.5f;
}
break;
case RELATIVE_LOCATION_BELOW_RIGHTALIGN:
if (relativeWidget)
{
if (relativeWidgetLP && !relativeWidgetLP->m_bPut)
{
continue;
}
float locationTop = relativeWidget->getBottomInParent();
float locationRight = relativeWidget->getRightInParent();
finalPosY = locationTop - (1.0f - ap.y) * cs.height;
finalPosX = locationRight - (1.0f - ap.x) * cs.width;
}
break;
default:
break;
}
UIMargin relativeWidgetMargin;
UIMargin mg = layoutParameter->getMargin();
if (relativeWidget)
{
relativeWidgetMargin = relativeWidget->getLayoutParameter(LAYOUT_PARAMETER_RELATIVE)->getMargin();
}
//handle margin
switch (align)
{
case RELATIVE_ALIGN_NONE:
case RELATIVE_ALIGN_PARENT_TOP_LEFT:
finalPosX += mg.left;
finalPosY -= mg.top;
break;
case RELATIVE_ALIGN_PARENT_TOP_CENTER_HORIZONTAL:
finalPosY -= mg.top;
break;
case RELATIVE_ALIGN_PARENT_TOP_RIGHT:
finalPosX -= mg.right;
finalPosY -= mg.top;
break;
case RELATIVE_ALIGN_PARENT_LEFT_CENTER_VERTICAL:
finalPosX += mg.left;
break;
case RELATIVE_CENTER_IN_PARENT:
break;
case RELATIVE_ALIGN_PARENT_RIGHT_CENTER_VERTICAL:
finalPosX -= mg.right;
break;
case RELATIVE_ALIGN_PARENT_LEFT_BOTTOM:
finalPosX += mg.left;
finalPosY += mg.bottom;
break;
case RELATIVE_ALIGN_PARENT_BOTTOM_CENTER_HORIZONTAL:
finalPosY += mg.bottom;
break;
case RELATIVE_ALIGN_PARENT_RIGHT_BOTTOM:
finalPosX -= mg.right;
finalPosY += mg.bottom;
break;
case RELATIVE_LOCATION_ABOVE_LEFTALIGN:
case RELATIVE_LOCATION_ABOVE_CENTER:
case RELATIVE_LOCATION_ABOVE_RIGHTALIGN:
finalPosY += mg.bottom;
finalPosY += relativeWidgetMargin.top;
break;
case RELATIVE_LOCATION_LEFT_OF_TOPALIGN:
case RELATIVE_LOCATION_LEFT_OF_CENTER:
case RELATIVE_LOCATION_LEFT_OF_BOTTOMALIGN:
finalPosX -= mg.right;
finalPosX -= relativeWidgetMargin.left;
break;
case RELATIVE_LOCATION_RIGHT_OF_TOPALIGN:
case RELATIVE_LOCATION_RIGHT_OF_CENTER:
case RELATIVE_LOCATION_RIGHT_OF_BOTTOMALIGN:
finalPosX += mg.left;
finalPosX += relativeWidgetMargin.right;
break;
case RELATIVE_LOCATION_BELOW_LEFTALIGN:
case RELATIVE_LOCATION_BELOW_CENTER:
case RELATIVE_LOCATION_BELOW_RIGHTALIGN:
finalPosY -= mg.top;
finalPosY -= relativeWidgetMargin.bottom;
break;
default:
break;
}
child->setPosition(ccp(finalPosX, finalPosY));
layoutParameter->m_bPut = true;
unlayoutChildCount--;
}
}
}
break;
}
default:
break;
}
}