/** align items horizontally with padding */
public void alignItemsHorizontally(float padding) {
float width = -padding;
for (int i = 0; i < children.size(); i++) {
MenuItem item = (MenuItem) children.get(i);
width += item.getWidth() * item.getScaleX() + padding;
}
float x = width / 2.0f;
for (int i = 0; i < children.size(); i++) {
MenuItem item = (MenuItem) children.get(i);
item.setPosition(x - item.getWidth() * item.getScaleX() / 2.0f, 0);
x -= item.getWidth() * item.getScaleX() + padding;
}
}
/** align items in columns of rows */
public void alignItemsInRows(int rows[]) {
ArrayList<Integer> columns = new ArrayList<Integer>();
for (int i = 0; i < rows.length; i++) {
columns.add(rows[i]);
}
ArrayList<Integer> columnWidths = new ArrayList<Integer>();
ArrayList<Integer> columnHeights = new ArrayList<Integer>();
int width = -10, columnHeight = -5;
int column = 0, columnWidth = 0, rowsOccupied = 0, columnRows;
for (int i = 0; i < children.size(); i++) {
MenuItem item = (MenuItem) children.get(i);
assert column < columns.size() : "Too many menu items for the amount of rows/columns.";
columnRows = columns.get(column);
assert columnRows != 0 : "Can't have zero rows on a column";
columnWidth = (int) Math.max(columnWidth, item.getWidth());
columnHeight += item.getHeight() + 5;
++rowsOccupied;
if (rowsOccupied >= columnRows) {
columnWidths.add(columnWidth);
columnHeights.add(columnHeight);
width += columnWidth + 10;
rowsOccupied = 0;
columnWidth = 0;
columnHeight = -5;
++column;
}
}
assert rowsOccupied != 0 : "Too many rows/columns for available menu items.";
CCSize winSize = Director.sharedDirector().winSize();
column = 0;
columnWidth = 0;
columnRows = 0;
float x = -width / 2, y = 0;
for (int i = 0; i < children.size(); i++) {
MenuItem item = (MenuItem) children.get(i);
if (columnRows == 0) {
columnRows = columns.get(column);
y = columnHeights.get(column) + winSize.height / 2;
}
columnWidth = (int) Math.max(columnWidth, item.getWidth());
item.setPosition(x + columnWidths.get(column) / 2, y - winSize.height / 2);
y -= item.getHeight() + 10;
++rowsOccupied;
if (rowsOccupied >= columnRows) {
x += columnWidth + 5;
rowsOccupied = 0;
columnRows = 0;
columnWidth = 0;
++column;
}
}
}