@Override
protected void onLayout(boolean changed, final int l, int t, final int r, int b) {
if (isVisible(mTitleBar)) {
int height = mTitleBar.getMeasuredHeight();
mTitleBar.layout(l, t, r, t + height);
t += height;
} else if (!mNoTitleNoPadding && mUseFullPadding) {
t += mNoTitlePaddingFull;
}
if (isVisible(mContent)) mContent.layout(l, t, r, t + mContent.getMeasuredHeight());
if (mIsStacked) {
b -= mButtonPaddingFull;
for (MDButton mButton : mButtons) {
if (isVisible(mButton)) {
mButton.layout(l, b - mButton.getMeasuredHeight(), r, b);
b -= mButton.getMeasuredHeight();
}
}
} else {
int barTop;
int barBottom = b;
if (mUseFullPadding) barBottom -= mButtonPaddingFull;
barTop = barBottom - mButtonBarHeight;
/* START:
Neutral Negative Positive
CENTER:
Negative Neutral Positive
END:
Positive Negative Neutral
(With no Positive, Negative takes it's place except for CENTER)
*/
int offset = mButtonHorizontalEdgeMargin;
/* Used with CENTER gravity */
int neutralLeft = -1;
int neutralRight = -1;
if (isVisible(mButtons[INDEX_POSITIVE])) {
int bl, br;
if (mButtonGravity == GravityEnum.END) {
bl = l + offset;
br = bl + mButtons[INDEX_POSITIVE].getMeasuredWidth();
} else {
/* START || CENTER */
br = r - offset;
bl = br - mButtons[INDEX_POSITIVE].getMeasuredWidth();
neutralRight = bl;
}
mButtons[INDEX_POSITIVE].layout(bl, barTop, br, barBottom);
offset += mButtons[INDEX_POSITIVE].getMeasuredWidth();
}
if (isVisible(mButtons[INDEX_NEGATIVE])) {
int bl, br;
if (mButtonGravity == GravityEnum.END) {
bl = l + offset;
br = bl + mButtons[INDEX_NEGATIVE].getMeasuredWidth();
} else if (mButtonGravity == GravityEnum.START) {
br = r - offset;
bl = br - mButtons[INDEX_NEGATIVE].getMeasuredWidth();
} else {
/* CENTER */
bl = l + mButtonHorizontalEdgeMargin;
br = bl + mButtons[INDEX_NEGATIVE].getMeasuredWidth();
neutralLeft = br;
}
mButtons[INDEX_NEGATIVE].layout(bl, barTop, br, barBottom);
}
if (isVisible(mButtons[INDEX_NEUTRAL])) {
int bl, br;
if (mButtonGravity == GravityEnum.END) {
br = r - mButtonHorizontalEdgeMargin;
bl = br - mButtons[INDEX_NEUTRAL].getMeasuredWidth();
} else if (mButtonGravity == GravityEnum.START) {
bl = l + mButtonHorizontalEdgeMargin;
br = bl + mButtons[INDEX_NEUTRAL].getMeasuredWidth();
} else {
/* CENTER */
if (neutralLeft == -1 && neutralRight != -1) {
neutralLeft = neutralRight - mButtons[INDEX_NEUTRAL].getMeasuredWidth();
} else if (neutralRight == -1 && neutralLeft != -1) {
neutralRight = neutralLeft + mButtons[INDEX_NEUTRAL].getMeasuredWidth();
} else if (neutralRight == -1) {
neutralLeft = (r - l) / 2 - mButtons[INDEX_NEUTRAL].getMeasuredWidth() / 2;
neutralRight = neutralLeft + mButtons[INDEX_NEUTRAL].getMeasuredWidth();
}
bl = neutralLeft;
br = neutralRight;
}
mButtons[INDEX_NEUTRAL].layout(bl, barTop, br, barBottom);
}
}
setUpDividersVisibility(mContent, true, true);
}
public void setButtonStackedGravity(GravityEnum gravity) {
for (MDButton mButton : mButtons) {
if (mButton != null) mButton.setStackedGravity(gravity);
}
}
@Override
public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int width = MeasureSpec.getSize(widthMeasureSpec);
int height = MeasureSpec.getSize(heightMeasureSpec);
mUseFullPadding = true;
boolean hasButtons = false;
final boolean stacked;
if (!mForceStack) {
int buttonsWidth = 0;
for (MDButton button : mButtons) {
if (button != null && isVisible(button)) {
button.setStacked(false, false);
measureChild(button, widthMeasureSpec, heightMeasureSpec);
buttonsWidth += button.getMeasuredWidth();
hasButtons = true;
}
}
int buttonBarPadding =
getContext().getResources().getDimensionPixelSize(R.dimen.md_neutral_button_margin);
final int buttonFrameWidth = width - 2 * buttonBarPadding;
stacked = buttonsWidth > buttonFrameWidth;
} else {
stacked = true;
}
int stackedHeight = 0;
mIsStacked = stacked;
if (stacked) {
for (MDButton button : mButtons) {
if (button != null && isVisible(button)) {
button.setStacked(true, false);
measureChild(button, widthMeasureSpec, heightMeasureSpec);
stackedHeight += button.getMeasuredHeight();
hasButtons = true;
}
}
}
int availableHeight = height;
int fullPadding = 0;
int minPadding = 0;
if (hasButtons) {
if (mIsStacked) {
availableHeight -= stackedHeight;
fullPadding += 2 * mButtonPaddingFull;
minPadding += 2 * mButtonPaddingFull;
} else {
availableHeight -= mButtonBarHeight;
fullPadding += 2 * mButtonPaddingFull;
/* No minPadding */
}
} else {
/* Content has 8dp, we add 16dp and get 24dp, the frame margin */
fullPadding += 2 * mButtonPaddingFull;
}
if (isVisible(mTitleBar)) {
mTitleBar.measure(
MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.UNSPECIFIED);
availableHeight -= mTitleBar.getMeasuredHeight();
} else if (!mNoTitleNoPadding) {
fullPadding += mNoTitlePaddingFull;
}
if (isVisible(mContent)) {
mContent.measure(
MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY),
MeasureSpec.makeMeasureSpec(availableHeight - minPadding, MeasureSpec.AT_MOST));
if (mContent.getMeasuredHeight() <= availableHeight - fullPadding) {
if (!mReducePaddingNoTitleNoButtons || isVisible(mTitleBar) || hasButtons) {
mUseFullPadding = true;
availableHeight -= mContent.getMeasuredHeight() + fullPadding;
} else {
mUseFullPadding = false;
availableHeight -= mContent.getMeasuredHeight() + minPadding;
}
} else {
mUseFullPadding = false;
availableHeight = 0;
}
}
setMeasuredDimension(width, height - availableHeight);
}
