@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int buttonsHorizontalCenter =
mLabelsPosition == LABELS_POSITION_LEFT
? r - l - mMaxButtonWidth / 2 - getPaddingRight()
: mMaxButtonWidth / 2 + getPaddingLeft();
boolean openUp = mOpenDirection == OPEN_UP;
int menuButtonTop =
openUp ? b - t - mMenuButton.getMeasuredHeight() - getPaddingBottom() : getPaddingTop();
int menuButtonLeft = buttonsHorizontalCenter - mMenuButton.getMeasuredWidth() / 2;
mMenuButton.layout(
menuButtonLeft,
menuButtonTop,
menuButtonLeft + mMenuButton.getMeasuredWidth(),
menuButtonTop + mMenuButton.getMeasuredHeight());
int imageLeft = buttonsHorizontalCenter - mImageToggle.getMeasuredWidth() / 2;
int imageTop =
menuButtonTop + mMenuButton.getMeasuredHeight() / 2 - mImageToggle.getMeasuredHeight() / 2;
mImageToggle.layout(
imageLeft,
imageTop,
imageLeft + mImageToggle.getMeasuredWidth(),
imageTop + mImageToggle.getMeasuredHeight());
int nextY =
openUp
? menuButtonTop - mButtonSpacing
: menuButtonTop + mMenuButton.getMeasuredHeight() + mButtonSpacing;
for (int i = mButtonsCount - 1; i >= 0; i--) {
View child = getChildAt(i);
if (child == mImageToggle) continue;
FloatingActionButton fab = (FloatingActionButton) child;
if (fab == mMenuButton || fab.getVisibility() == GONE) continue;
int childX = buttonsHorizontalCenter - fab.getMeasuredWidth() / 2;
int childY = openUp ? nextY - fab.getMeasuredHeight() : nextY;
fab.layout(childX, childY, childX + fab.getMeasuredWidth(), childY + fab.getMeasuredHeight());
if (!mMenuOpened) {
fab.hide(false);
}
View label = (View) fab.getTag(R.id.fab_label);
if (label != null) {
int labelsOffset = fab.getMeasuredWidth() / 2 + mLabelsMargin;
int labelXNearButton =
mLabelsPosition == LABELS_POSITION_LEFT
? buttonsHorizontalCenter - labelsOffset
: buttonsHorizontalCenter + labelsOffset;
int labelXAwayFromButton =
mLabelsPosition == LABELS_POSITION_LEFT
? labelXNearButton - label.getMeasuredWidth()
: labelXNearButton + label.getMeasuredWidth();
int labelLeft =
mLabelsPosition == LABELS_POSITION_LEFT ? labelXAwayFromButton : labelXNearButton;
int labelRight =
mLabelsPosition == LABELS_POSITION_LEFT ? labelXNearButton : labelXAwayFromButton;
int labelTop =
childY
- mLabelsVerticalOffset
+ (fab.getMeasuredHeight() - label.getMeasuredHeight()) / 2;
label.layout(labelLeft, labelTop, labelRight, labelTop + label.getMeasuredHeight());
if (!mMenuOpened) {
label.setVisibility(INVISIBLE);
}
}
nextY =
openUp ? childY - mButtonSpacing : childY + child.getMeasuredHeight() + mButtonSpacing;
}
}
