@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;
}
private View viewForPage(int page) {
// if the requested page is outside of the adapters scope, return null.
// This should only happen when over flipping with mode RUBBER_BAND
if (page < 0 || page >= mPageCount) {
return null;
}
final int viewType = mAdapter.getItemViewType(page);
// check if view needed is in active views, if so order to front and
// return this view
View v = getActiveView(page);
if (v != null) {
return v;
}
// get(and remove) a convertview with correct viewtype from recycled
// views
v = mRecycler.getScrapView(page, viewType);
// pass that view (can be null) into adapter to fill the view
v = mAdapter.getView(page, v, this);
// insert that view into active views pushing the least used active view
// into recycled views
addToActiveView(v, page, viewType);
// measure and layout view
measureAndLayoutChild(v);
// return view
return v;
}
@Override
public void onScroll(
AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
if (mDelegateOnScrollListener != null) { // delegate
mDelegateOnScrollListener.onScroll(
view, firstVisibleItem, visibleItemCount, totalItemCount);
}
// get expected adapter or fail fast
ListAdapter adapter = getAdapter();
if (adapter == null || visibleItemCount == 0) return; // nothing to do
final boolean isFirstVisibleItemSection =
isItemViewTypePinned(adapter, adapter.getItemViewType(firstVisibleItem));
if (isFirstVisibleItemSection) {
View sectionView = getChildAt(0);
if (sectionView.getTop()
== getPaddingTop()) { // view sticks to the top, no need for pinned shadow
destroyPinnedShadow();
} else { // section doesn't stick to the top, make sure we have a pinned shadow
ensureShadowForPosition(firstVisibleItem, firstVisibleItem, visibleItemCount);
}
} else { // section is not at the first visible position
int sectionPosition = findCurrentSectionPosition(firstVisibleItem);
if (sectionPosition > -1) { // we have section position
ensureShadowForPosition(sectionPosition, firstVisibleItem, visibleItemCount);
} else { // there is no section for the first visible item, destroy shadow
destroyPinnedShadow();
}
}
};
private int measureContentWidth() {
// Menus don't tend to be long, so this is more sane than it looks.
int maxWidth = 0;
View itemView = null;
int itemType = 0;
final ListAdapter adapter = mAdapter;
final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
final int count = adapter.getCount();
for (int i = 0; i < count; i++) {
final int positionType = adapter.getItemViewType(i);
if (positionType != itemType) {
itemType = positionType;
itemView = null;
}
if (mMeasureParent == null) {
mMeasureParent = new FrameLayout(mContext);
}
itemView = adapter.getView(i, itemView, mMeasureParent);
itemView.measure(widthMeasureSpec, heightMeasureSpec);
final int itemWidth = itemView.getMeasuredWidth();
if (itemWidth >= mPopupMaxWidth) {
return mPopupMaxWidth;
} else if (itemWidth > maxWidth) {
maxWidth = itemWidth;
}
}
return maxWidth;
}
@Override
public int getItemViewType(int position) {
final int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
final int adapterViewTypeStart = mAdapter == null ? 0 : mAdapter.getViewTypeCount() - 1;
int type = AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
if (mCachePlaceHoldView) {
// Header
if (position < numHeadersAndPlaceholders) {
if (position == 0) {
if (mCacheFirstHeaderView) {
type =
adapterViewTypeStart + mHeaderViewInfos.size() + mFooterViewInfos.size() + 1 + 1;
}
}
if (position % mNumColumns != 0) {
type = adapterViewTypeStart + (position / mNumColumns + 1);
}
}
}
// Adapter
final int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = 0;
if (mAdapter != null) {
adapterCount = getAdapterAndPlaceHolderCount();
if (adjPosition >= 0 && adjPosition < adapterCount) {
if (adjPosition < mAdapter.getCount()) {
type = mAdapter.getItemViewType(adjPosition);
} else {
if (mCachePlaceHoldView) {
type = adapterViewTypeStart + mHeaderViewInfos.size() + 1;
}
}
}
}
if (mCachePlaceHoldView) {
// Footer
final int footerPosition = adjPosition - adapterCount;
if (footerPosition >= 0
&& footerPosition < getCount()
&& (footerPosition % mNumColumns) != 0) {
type =
adapterViewTypeStart
+ mHeaderViewInfos.size()
+ 1
+ (footerPosition / mNumColumns + 1);
}
}
if (DEBUG) {
Log.d(
LOG_TAG,
String.format(
"getItemViewType: pos: %s, result: %s",
position, type, mCachePlaceHoldView, mCacheFirstHeaderView));
}
return type;
}
int findPreviousVisibleSectionPosition(int fromPosition) {
ListAdapter adapter = getAdapter();
for (int childIndex = fromPosition - 1; childIndex >= 0; childIndex--) {
int viewType = adapter.getItemViewType(childIndex);
if (isItemViewTypePinned(adapter, viewType)) return childIndex;
}
return -1;
}
/**
* Returns a recycled view from the cache that can be reused, or null if one is not available.
*
* @param adapterIndex
* @return
*/
private View getRecycledView(int adapterIndex) {
int itemViewType = mAdapter.getItemViewType(adapterIndex);
if (isItemViewTypeValid(itemViewType)) {
return mRemovedViewsCache.get(itemViewType).poll();
}
return null;
}
int findFirstVisibleSectionPosition(int firstVisibleItem, int visibleItemCount) {
ListAdapter adapter = getAdapter();
for (int childIndex = 0; childIndex < visibleItemCount; childIndex++) {
int position = firstVisibleItem + childIndex;
int viewType = adapter.getItemViewType(position);
if (isItemViewTypePinned(adapter, viewType)) return position;
}
return -1;
}
/**
* Adds the provided view to a recycled views cache.
*
* @param adapterIndex
* @param view
*/
private void recycleView(int adapterIndex, View view) {
// There is one Queue of views for each different type of view.
// Just add the view to the pile of other views of the same type.
// The order they are added and removed does not matter.
int itemViewType = mAdapter.getItemViewType(adapterIndex);
if (isItemViewTypeValid(itemViewType)) {
mRemovedViewsCache.get(itemViewType).offer(view);
}
}
int findCurrentSectionPosition(int fromPosition) {
ListAdapter adapter = getAdapter();
if (adapter instanceof SectionIndexer) {
// try fast way by asking section indexer
SectionIndexer indexer = (SectionIndexer) adapter;
int sectionPosition = indexer.getSectionForPosition(fromPosition);
int itemPosition = indexer.getPositionForSection(sectionPosition);
int typeView = adapter.getItemViewType(itemPosition);
if (isItemViewTypePinned(adapter, typeView)) {
return itemPosition;
} // else, no luck
}
// try slow way by looking through to the next section item above
for (int position = fromPosition; position >= 0; position--) {
int viewType = adapter.getItemViewType(position);
if (isItemViewTypePinned(adapter, viewType)) return position;
}
return -1; // no candidate found
}
public int getItemViewType(int position) {
int numHeaders = getHeadersCount();
if (mAdapter != null && position >= numHeaders) {
int adjPosition = position - numHeaders;
int adapterCount = mAdapter.getCount();
if (adjPosition < adapterCount) {
return mAdapter.getItemViewType(adjPosition);
}
}
return AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
}
@Override
public int getItemViewType(int position) {
int numHeadersAndPlaceholders = getHeadersCount() * mNumColumns;
if (position < numHeadersAndPlaceholders && (position % mNumColumns != 0)) {
// Placeholders get the last view type number
return mAdapter != null ? mAdapter.getViewTypeCount() : 1;
}
if (mAdapter != null && position >= numHeadersAndPlaceholders) {
int adjPosition = position - numHeadersAndPlaceholders;
int adapterCount = mAdapter.getCount();
if (adjPosition < adapterCount) {
return mAdapter.getItemViewType(adjPosition);
}
}
return AdapterView.ITEM_VIEW_TYPE_HEADER_OR_FOOTER;
}
/**
* Get the type of View that will be created by getView() for the specified item.
*
* @param position Position of the item whose data we want
*/
@Override
public int getItemViewType(int position) {
int typeOffset = 0;
int result = -1;
for (ListAdapter piece : pieces) {
int size = piece.getCount();
if (position < size) {
result = typeOffset + piece.getItemViewType(position);
break;
}
position -= size;
typeOffset += piece.getViewTypeCount();
}
return (result);
}
int findFirstVisibleSectionPosition(int firstVisibleItem, int visibleItemCount) {
ListAdapter adapter = getAdapter();
int adapterDataCount = adapter.getCount();
if (getLastVisiblePosition() >= adapterDataCount)
return -1; // dataset has changed, no candidate
if (firstVisibleItem + visibleItemCount
>= adapterDataCount) { // added to prevent index Outofbound (in case)
visibleItemCount = adapterDataCount - firstVisibleItem;
}
for (int childIndex = 0; childIndex < visibleItemCount; childIndex++) {
int position = firstVisibleItem + childIndex;
int viewType = adapter.getItemViewType(position);
if (isItemViewTypePinned(adapter, viewType)) return position;
}
return -1;
}
private int getItemHeight(int position) {
final int first = getFirstVisiblePosition();
final int last = getLastVisiblePosition();
if (position >= first && position <= last) {
return getChildAt(position - first).getHeight();
} else {
// Log.d("mobeta", "getView for height");
final ListAdapter adapter = getAdapter();
int type = adapter.getItemViewType(position);
// There might be a better place for checking for the following
final int typeCount = adapter.getViewTypeCount();
if (typeCount != mSampleViewTypes.length) {
mSampleViewTypes = new View[typeCount];
}
View v;
if (type >= 0) {
if (mSampleViewTypes[type] == null) {
v = adapter.getView(position, null, this);
mSampleViewTypes[type] = v;
} else {
v = adapter.getView(position, mSampleViewTypes[type], this);
}
} else {
// type is HEADER_OR_FOOTER or IGNORE
v = adapter.getView(position, null, this);
}
ViewGroup.LayoutParams lp = v.getLayoutParams();
final int height = lp == null ? 0 : lp.height;
if (height > 0) {
return height;
} else {
int spec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
v.measure(spec, spec);
return v.getMeasuredHeight();
}
}
}
private void ensureFull() {
while (mNextAdapterPosition < mListAdapter.getCount() && getChildCount() < mMaxVisible) {
View view = mListAdapter.getView(mNextAdapterPosition, null, this);
view.setLayerType(LAYER_TYPE_SOFTWARE, null);
if (mOrientation == Orientation.Disordered) {
view.setRotation(getDisorderedRotation());
}
addViewInLayout(
view,
0,
new LayoutParams(
LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT,
mListAdapter.getItemViewType(mNextAdapterPosition)),
false);
requestLayout();
mNextAdapterPosition += 1;
}
}
@Override
public int getItemViewType(int position) {
return mAdapter.getItemViewType(position);
}
@Override
public int getItemViewType(final int position) {
return wrapped.getItemViewType(position);
}
private int getViewTypeFromAdapter(int index) {
if (mAdapter == null) return 0;
int type = index < mAdapter.getCount() ? mAdapter.getItemViewType(index) : 0;
return type;
}
@Override
public int getItemViewType(int position) {
return isSectionHeaderPosition(position)
? getViewTypeCount() - 1
: mBaseAdapter.getItemViewType(position);
}
private void fillPageForIndex(Page p, int i) {
p.position = i;
p.viewType = mAdapter.getItemViewType(p.position);
p.v = getView(p.position, p.viewType);
p.valid = true;
}
