public boolean onSwipe(MotionEvent event) {
mGestureDetector.onTouchEvent(event);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
mDownX = (int) event.getX();
isFling = false;
break;
case MotionEvent.ACTION_MOVE:
// Log.i("byz", "downX = " + mDownX + ", moveX = " + event.getX());
int dis = (int) (mDownX - event.getX());
if (state == STATE_OPEN) {
dis += mMenuView.getWidth();
}
swipe(dis);
break;
case MotionEvent.ACTION_UP:
if (isFling || (mDownX - event.getX()) > (mMenuView.getWidth() / 2)) {
// open
smoothOpenMenu();
} else {
// close
smoothCloseMenu();
return false;
}
break;
}
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
SwipeMenuLayout layout = null;
if (convertView == null) {
View contentView = mAdapter.getView(position, convertView, parent);
SwipeMenu menu = new SwipeMenu(mContext);
menu.setViewType(mAdapter.getItemViewType(position));
createMenu(menu);
SwipeMenuView menuView = new SwipeMenuView(menu, (SwipeMenuListView) parent);
menuView.setOnSwipeItemClickListener(this);
SwipeMenuListView listView = (SwipeMenuListView) parent;
layout =
new SwipeMenuLayout(
contentView,
menuView,
listView.getCloseInterpolator(),
listView.getOpenInterpolator());
layout.setPosition(position);
} else {
layout = (SwipeMenuLayout) convertView;
layout.closeMenu();
layout.setPosition(position);
View view = mAdapter.getView(position, layout.getContentView(), parent);
}
return layout;
}
public void setMenuHeight(int measuredHeight) {
Log.i("byz", "pos = " + position + ", height = " + measuredHeight);
LayoutParams params = (LayoutParams) mMenuView.getLayoutParams();
if (params.height != measuredHeight) {
params.height = measuredHeight;
mMenuView.setLayoutParams(mMenuView.getLayoutParams());
}
}
public void smoothOpenMenu() {
state = STATE_OPEN;
if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
mOpenScroller.startScroll(-mContentView.getLeft(), 0, mMenuView.getWidth(), 0, 350);
} else {
mOpenScroller.startScroll(mContentView.getLeft(), 0, mMenuView.getWidth(), 0, 350);
}
postInvalidate();
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
mContentView.layout(0, 0, getMeasuredWidth(), mContentView.getMeasuredHeight());
mMenuView.layout(
getMeasuredWidth(),
0,
getMeasuredWidth() + mMenuView.getMeasuredWidth(),
mContentView.getMeasuredHeight());
// setMenuHeight(mContentView.getMeasuredHeight());
// bringChildToFront(mContentView);
}
public void smoothCloseMenu() {
state = STATE_CLOSE;
if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
mBaseX = -mContentView.getLeft();
mCloseScroller.startScroll(0, 0, mMenuView.getWidth(), 0, 350);
} else {
mBaseX = mMenuView.getRight();
mCloseScroller.startScroll(0, 0, mMenuView.getWidth(), 0, 350);
}
postInvalidate();
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
mContentView.layout(0, 0, getMeasuredWidth(), mContentView.getMeasuredHeight());
if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
mMenuView.layout(
getMeasuredWidth(),
0,
getMeasuredWidth() + mMenuView.getMeasuredWidth(),
mContentView.getMeasuredHeight());
} else {
mMenuView.layout(-mMenuView.getMeasuredWidth(), 0, 0, mContentView.getMeasuredHeight());
}
}
private void init() {
setLayoutParams(
new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
mGestureListener =
new SimpleOnGestureListener() {
@Override
public boolean onDown(MotionEvent e) {
isFling = false;
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
// TODO
if ((e1.getX() - e2.getX()) > MIN_FLING && velocityX < MAX_VELOCITYX) {
isFling = true;
}
// Log.i("byz", MAX_VELOCITYX + ", velocityX = " + velocityX);
return super.onFling(e1, e2, velocityX, velocityY);
}
};
mGestureDetector = new GestureDetectorCompat(getContext(), mGestureListener);
// mScroller = ScrollerCompat.create(getContext(), new
// BounceInterpolator());
if (mCloseInterpolator != null) {
mCloseScroller = ScrollerCompat.create(getContext(), mCloseInterpolator);
} else {
mCloseScroller = ScrollerCompat.create(getContext());
}
if (mOpenInterpolator != null) {
mOpenScroller = ScrollerCompat.create(getContext(), mOpenInterpolator);
} else {
mOpenScroller = ScrollerCompat.create(getContext());
}
LayoutParams contentParams =
new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
mContentView.setLayoutParams(contentParams);
if (mContentView.getId() < 1) {
mContentView.setId(CONTENT_VIEW_ID);
}
mMenuView.setId(MENU_VIEW_ID);
mMenuView.setLayoutParams(
new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
addView(mContentView);
addView(mMenuView);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
mMenuView.measure(
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.EXACTLY));
}
public SwipeMenuLayout(
View contentView,
SwipeMenuView menuView,
Interpolator closeInterpolator,
Interpolator openInterpolator) {
super(contentView.getContext());
mCloseInterpolator = closeInterpolator;
mOpenInterpolator = openInterpolator;
mContentView = contentView;
mMenuView = menuView;
mMenuView.setLayout(this);
init();
}
private void swipe(int dis) {
if (Math.signum(dis) != mSwipeDirection) {
dis = 0;
} else if (Math.abs(dis) > mMenuView.getWidth()) {
dis = mMenuView.getWidth() * mSwipeDirection;
}
mContentView.layout(
-dis, mContentView.getTop(), mContentView.getWidth() - dis, getMeasuredHeight());
if (mSwipeDirection == SwipeMenuListView.DIRECTION_LEFT) {
mMenuView.layout(
mContentView.getWidth() - dis,
mMenuView.getTop(),
mContentView.getWidth() + mMenuView.getWidth() - dis,
mMenuView.getBottom());
} else {
mMenuView.layout(
-mMenuView.getWidth() - dis, mMenuView.getTop(), -dis, mMenuView.getBottom());
}
}
private void swipe(int dis) {
if (dis > mMenuView.getWidth()) {
dis = mMenuView.getWidth();
}
if (dis < 0) {
dis = 0;
}
mContentView.layout(
-dis, mContentView.getTop(), mContentView.getWidth() - dis, getMeasuredHeight());
mMenuView.layout(
mContentView.getWidth() - dis,
mMenuView.getTop(),
mContentView.getWidth() + mMenuView.getWidth() - dis,
mMenuView.getBottom());
}
private void init() {
setLayoutParams(
new AbsListView.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
mGestureListener =
new SimpleOnGestureListener() {
@Override
public boolean onDown(MotionEvent e) {
isFling = false;
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
// TODO
if ((e1.getX() - e2.getX()) > MIN_FLING && velocityX < MAX_VELOCITYX) {
isFling = true;
}
// Log.i("byz", MAX_VELOCITYX + ", velocityX = " + velocityX);
return super.onFling(e1, e2, velocityX, velocityY);
}
};
mGestureDetector = new GestureDetectorCompat(getContext(), mGestureListener);
// mScroller = ScrollerCompat.create(getContext(), new
// BounceInterpolator());
if (mCloseInterpolator != null) {
mCloseScroller = ScrollerCompat.create(getContext(), mCloseInterpolator);
} else {
mCloseScroller = ScrollerCompat.create(getContext());
}
if (mOpenInterpolator != null) {
mOpenScroller = ScrollerCompat.create(getContext(), mOpenInterpolator);
} else {
mOpenScroller = ScrollerCompat.create(getContext());
}
LayoutParams contentParams =
new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
mContentView.setLayoutParams(contentParams);
if (mContentView.getId() < 1) {
mContentView.setId(CONTENT_VIEW_ID);
}
mMenuView.setId(MENU_VIEW_ID);
mMenuView.setLayoutParams(
new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
addView(mContentView);
addView(mMenuView);
// if (mContentView.getBackground() == null) {
// mContentView.setBackgroundColor(Color.WHITE);
// }
// in android 2.x, MenuView height is MATCH_PARENT is not work.
// getViewTreeObserver().addOnGlobalLayoutListener(
// new OnGlobalLayoutListener() {
// @Override
// public void onGlobalLayout() {
// setMenuHeight(mContentView.getHeight());
// // getViewTreeObserver()
// // .removeGlobalOnLayoutListener(this);
// }
// });
}
public void setPosition(int position) {
this.position = position;
mMenuView.setPosition(position);
}
public void smoothOpenMenu() {
state = STATE_OPEN;
mOpenScroller.startScroll(-mContentView.getLeft(), 0, mMenuView.getWidth(), 0, 350);
postInvalidate();
}
@Override
public void onItemClick(SwipeMenuView view, SwipeMenu menu, int index) {
if (onMenuItemClickListener != null) {
onMenuItemClickListener.onMenuItemClick(view.getPosition(), menu, index);
}
}
public void openMenu() {
if (state == STATE_CLOSE) {
state = STATE_OPEN;
swipe(mMenuView.getWidth());
}
}
