bool ColorGrid::init()
{
m_nNodes = m_nRows*m_nColumns;
m_pNodes = new ColorNode[m_nNodes];
assert(m_pNodes && "New failed to create the sequence array for the grid.");
m_cbRandomSequence = new PaletteIndex[m_nRows*m_nColumns];
assert(m_cbRandomSequence && "New failed to create the random sequence for the grid.");
fHorizontalSpacing = getHorizontalSpacing();
fVerticalSpacing = getVerticalSpacing();
fInitialX = fHorizontalSpacing * 0.5f + m_cbBounds.getMinX();
fInitialY = fVerticalSpacing * 0.5f + m_cbBounds.getMinY();
// Note that the origin for the points start in the lower left.
cocos2d::CCPoint cbCurrentPoint(fInitialX, fInitialY);
for(int i = 0; i < m_nNodes; i++)
{
bool bIsSuccessful = m_pNodes[i].init();
if(bIsSuccessful)
{
if(i / m_nRows % 2 == 0)
cbCurrentPoint.y = fInitialY + ((i % m_nRows) * fVerticalSpacing);
else
cbCurrentPoint.y = fInitialY + (fVerticalSpacing / 2) + ((i % m_nRows) * fVerticalSpacing);
cbCurrentPoint.x = fInitialX + ((i / m_nRows) * fHorizontalSpacing);
m_pNodes[i].setPosition(cbCurrentPoint);
m_pNodes[i].setParent(this, 1);
m_pNodes[i].setColor(my_utility::random(m_nColors));
m_uncaptured_count.tally(m_pNodes[i].getPaletteIndex());
}
}
RandomCapture(m_nInitCapturePercent);
for(int i = 0; i < m_nComboSize; i++)
{
m_pSelectedNodes[i] = 0;
}
for(int i = 0; i < m_nComboSize; i++)
{
m_pSelectedNodeNumbers[i] = 0;
}
return true;
}
void FlowLayout::layoutChildren()
{
int curX = 0;
int curY = 0;
int highestWidget = 0;
int numWidgets = 0;
int rlOffset = 0;
int btOffset = 0;
int numRows = 1;
int numOnRow = 0;
std::vector<Widget*> curRow;
Widget* firstWidget = NULL;
int lowestPoint = 0;
for(WidgetArray::iterator it = getChildBegin();
it != getChildEnd(); ++it)
{
if(!(*it)->isVisible() && isFilteringVisibility())
{
continue;
}
if(!firstWidget)
{
firstWidget = (*it);
}
if(isResizingRowToWidth())
{
(*it)->setSize(getInnerWidth(),(*it)->getHeight());
}
if((maxOnRow > 0 && numOnRow >= maxOnRow) || isResizingRowToWidth() ||
(curX + (*it)->getWidth() > getInnerWidth() && numWidgets > 0 && !singleRow))
{
numRows++;
numOnRow = 0;
curX = 0;
curY += highestWidget + getVerticalSpacing();
highestWidget = 0;
if(center && !curRow.empty())
{
int x1 = curRow[0]->getLocation().getX();
int x2 = curRow.back()->getLocation().getX() +
curRow.back()->getWidth();
int w = x2 - x1;
int centerOffset = (getInnerWidth() - w) / 2;
for(size_t i = 0; i < curRow.size(); ++i)
{
curRow[i]->setLocation(
curRow[i]->getLocation().getX() + centerOffset,
curRow[i]->getLocation().getY());
}
}
curRow.clear();
}
numOnRow++;
if(!topToBottom)
{
btOffset = getInnerHeight() - (*it)->getHeight() - (curY + curY);
}
if(!leftToRight && !center)
{
rlOffset = getInnerWidth() - (*it)->getWidth() - (curX + curX);
}
(*it)->setLocation(curX + rlOffset,curY + btOffset);
curX += (*it)->getWidth() + getHorizontalSpacing();
numWidgets++;
if((*it)->getHeight() > highestWidget)
{
highestWidget = (*it)->getHeight();
}
curRow.push_back((*it));
//find the content height
int l = (*it)->getLocation().getY() + (*it)->getHeight();
if(l > lowestPoint)
{
lowestPoint = l;
}
}
//code duplication, I know :(
if(center && !curRow.empty())
{
if(alignLastRow && numRows > 1 && firstWidget)
{
int x1 = curRow[0]->getLocation().getX();
int x2 = firstWidget->getLocation().getX();
int diff = x2 - x1;
for(size_t i = 0; i < curRow.size(); ++i)
{
curRow[i]->setLocation(
curRow[i]->getLocation().getX() + diff,
curRow[i]->getLocation().getY());
}
}
else
{
int x1 = curRow[0]->getLocation().getX();
int x2 = curRow.back()->getLocation().getX() +
curRow.back()->getWidth();
int w = x2 - x1;
int centerOffset = (getInnerWidth() - w) / 2;
for(size_t i = 0; i < curRow.size(); ++i)
{
curRow[i]->setLocation(
curRow[i]->getLocation().getX() + centerOffset,
curRow[i]->getLocation().getY());
}
}
}
//set content height
contentHSz = lowestPoint + getMargin(SIDE_TOP) + getMargin(SIDE_BOTTOM);
}
