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Update ContentLayout

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seven332 committed 2015-05-09 00:15:44 +08:00
1 parent 8da847ebc8
commit 755354a8fe
14 files changed
+451 -54
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app/src/main/java/com/hippo/ehviewer/widget/ContentLayout.java
+207 -37
View File
@@ -28,7 +28,9 @@ import android.widget.TextView;
import com.hippo.ehviewer.R;
import com.hippo.util.IntIdGenerator;
import com.hippo.util.Log;
import com.hippo.util.ViewUtils;
import com.hippo.widget.Snackbar;
import com.hippo.widget.recyclerview.EasyRecyclerView;
import com.hippo.widget.refreshlayout.RefreshLayout;
@@ -43,11 +45,14 @@ public class ContentLayout extends FrameLayout {
private EasyRecyclerView mRecyclerView;
private View mImageView;
private TextView mTextView;
private Snackbar mSnackbar;
private StaggeredGridLayoutManager mLayoutManager;
private ContentHelper mHelper;
private int mSnackbarOriginBottom;
public ContentLayout(Context context) {
super(context);
init(context);
@@ -69,12 +74,19 @@ public class ContentLayout extends FrameLayout {
mProgressBar = (ProgressBar) getChildAt(0);
mItView = (ViewGroup) getChildAt(1);
mRefreshLayout = (RefreshLayout) getChildAt(2);
mSnackbar = (Snackbar) getChildAt(3);
mRecyclerView = (EasyRecyclerView) mRefreshLayout.getChildAt(1);
mImageView = mItView.getChildAt(0);
mTextView = (TextView) mItView.getChildAt(1);
mLayoutManager = new StaggeredGridLayoutManager(1, StaggeredGridLayoutManager.VERTICAL); // TODO
mRecyclerView.setLayoutManager(mLayoutManager);
// Snackbar
mSnackbarOriginBottom = mSnackbar.getPaddingBottom();
mSnackbar.setAction(context.getString(R.string.retry), new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}
public EasyRecyclerView getRecyclerView() {
@@ -83,12 +95,20 @@ public class ContentLayout extends FrameLayout {
public void setHelper(ContentHelper helper) {
mHelper = helper;
helper.init(mRecyclerView, mLayoutManager);
mLayoutManager = helper.generateLayoutManager();
mRecyclerView.setLayoutManager(mLayoutManager);
mRecyclerView.setAdapter(helper);
helper.init(mRefreshLayout, mRecyclerView, mLayoutManager);
mRefreshLayout.setOnHeaderRefreshListener(helper);
mRefreshLayout.setOnFooterRefreshListener(helper);
mRecyclerView.addOnScrollListener(helper.getOnScrollListener());
}
public void setFitPaddingBottom(int fitPaddingBottom) {
// Snackbar
mSnackbar.setPadding(mSnackbar.getPaddingLeft(), mSnackbar.getPaddingTop(), mSnackbar.getPaddingRight(), mSnackbarOriginBottom + fitPaddingBottom);
}
public void showProgressBar() {
ViewUtils.setVisibility(mProgressBar, View.VISIBLE);
ViewUtils.setVisibility(mItView, View.GONE);
@@ -103,11 +123,25 @@ public class ContentLayout extends FrameLayout {
mTextView.setText(text);
}
private abstract static class ContentHelper<E, VH extends RecyclerView.ViewHolder>
public void showContent() {
ViewUtils.setVisibility(mProgressBar, View.GONE);
ViewUtils.setVisibility(mItView, View.GONE);
ViewUtils.setVisibility(mRefreshLayout, View.VISIBLE);
}
public abstract static class ContentHelper<E, VH extends RecyclerView.ViewHolder>
extends EasyRecyclerView.Adapter<VH>
implements RefreshLayout.OnHeaderRefreshListener,
RefreshLayout.OnFooterRefreshListener {
private static final int TYPE_REFRESH = 0;
private static final int TYPE_PRE_PAGE = 1;
private static final int TYPE_PRE_PAGE_KEEP_POS = 2;
private static final int TYPE_NEXT_PAGE = 3;
private static final int TYPE_NEXT_PAGE_KEEP_POS = 4;
private static final int TYPE_SOMEWHERE = 5;
private RefreshLayout mRefreshLayout;
private RecyclerView mRecyclerView;
private StaggeredGridLayoutManager mLayoutManager;
@@ -121,96 +155,232 @@ public class ContentLayout extends FrameLayout {
/**
* Store data
*/
private List<E> mList;
private List<E> mData;
private IntIdGenerator mIdGenerator;
/**
* First index index of current page
*/
private int mFirstIndex;
/**
* Last index index of current page
*/
private int mLastIndex;
/**
* Current page index
*/
private int mCurrentPage;
/**
* First shown page index
*/
private int mFirstPage;
/**
* Last shown page index
* Last shown page index + 1
*/
private int mLastPage;
/**
* The number of page in sum
* First index index of current page
*/
private int mPageNum;
private int mFirstIndex;
/**
* Last index index of current page + 1
*/
private int mLastIndex;
/**
* The size of page
*/
private int mPageSize;
private int mCurrentPage;
private int mPageVolume;
private int mCurrentTaskId;
private int mCurrentTaskType;
private int mCurrentTaskPage;
private ContentHelper() {
mList = new ArrayList<>();
public ContentHelper() {
mData = new ArrayList<>();
mIdGenerator = IntIdGenerator.create();
}
private void init(RecyclerView recyclerView,
private void init(RefreshLayout refreshLayout, RecyclerView recyclerView,
StaggeredGridLayoutManager layoutManager) {
mRefreshLayout = refreshLayout;
mRecyclerView = recyclerView;
mLayoutManager = layoutManager;
}
RecyclerView.OnScrollListener getOnScrollListener() {
private RecyclerView.OnScrollListener getOnScrollListener() {
return mOnScrollListener;
}
protected abstract StaggeredGridLayoutManager generateLayoutManager();
/**
*
* @param location
* @return
* @throws IndexOutOfBoundsException
* if {@code location < 0 || location >= size()}
*/
public E getDataAt(int location) {
return mList.get(location);
return mData.get(location);
}
public abstract E[] getPageData(int page);
/**
* Call {@link #onGetPageData(int, List)} when get data
*
* @param taskId task id
* @param page the page to get
*/
protected abstract void getPageData(int taskId, int page);
public void onGetPageData(int mTaskId, int page, E[] data) {
public void setPageSize(int pageSize) {
mPageSize = pageSize;
}
public void onGetPageData(int taskId, List<E> data) {
int pageVolume = data.size();
mPageVolume = pageVolume;
if (mCurrentTaskId == taskId) {
switch (mCurrentTaskType) {
case TYPE_REFRESH:
mFirstPage = 0;
mLastPage = 1;
mCurrentPage = 0;
mFirstIndex = 0;
mLastIndex = pageVolume;
mData.clear();
mData.addAll(data);
notifyDataSetChanged();
mRecyclerView.stopScroll();
mLayoutManager.scrollToPositionWithOffset(0, 0);
break;
case TYPE_PRE_PAGE:
case TYPE_PRE_PAGE_KEEP_POS:
mData.addAll(0, data);
notifyItemRangeInserted(0, pageVolume);
mFirstPage--;
if (mCurrentTaskType == TYPE_PRE_PAGE_KEEP_POS) {
mFirstIndex += pageVolume;
mLastIndex += pageVolume;
// TODO
} else {
mCurrentPage = mFirstPage;
mFirstIndex = 0;
mLastIndex = pageVolume;
mRecyclerView.stopScroll();
mLayoutManager.scrollToPositionWithOffset(0, 0);
}
break;
case TYPE_NEXT_PAGE:
case TYPE_NEXT_PAGE_KEEP_POS:
int oldDataSize = mData.size();
mData.addAll(data);
notifyItemRangeInserted(oldDataSize, pageVolume);
mLastPage++;
if (mCurrentTaskType != TYPE_NEXT_PAGE_KEEP_POS) {
mCurrentPage = mLastPage - 1;
mFirstIndex = mData.size() - pageVolume;
mLastIndex = mData.size();
mRecyclerView.stopScroll();
mLayoutManager.scrollToPositionWithOffset(mFirstIndex, 0);
}
break;
case TYPE_SOMEWHERE:
mData.clear();
mData.addAll(data);
notifyDataSetChanged();
mFirstPage = mCurrentTaskPage;
mLastPage = mCurrentTaskPage + 1;
mCurrentPage = mCurrentTaskPage;
mFirstIndex = 0;
mLastIndex = pageVolume;
mRecyclerView.stopScroll();
mLayoutManager.scrollToPositionWithOffset(0, 0);
break;
}
}
mRefreshLayout.setHeaderRefreshing(false);
mRefreshLayout.setFooterRefreshing(false);
}
@Override
public boolean onFooterRefresh() {
return false;
if (mLastPage >= mPageSize) {
return false;
} else {
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_NEXT_PAGE_KEEP_POS;
mCurrentTaskPage = mLastPage;
getPageData(mCurrentTaskId, mCurrentTaskPage);
return true;
}
}
@Override
public void onHeaderRefresh() {
if (mFirstPage > 0) {
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_PRE_PAGE_KEEP_POS;
mCurrentTaskPage = mFirstPage - 1;
getPageData(mCurrentTaskId, mCurrentTaskPage);
} else {
doRefresh();
}
}
private void doRefresh() {
Log.d("doRefresh");
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_REFRESH;
mCurrentTaskPage = 0;
getPageData(mCurrentTaskId, mCurrentTaskPage);
}
public void refresh() {
mRefreshLayout.setHeaderRefreshing(true);
doRefresh();
}
public void goTo(int page) {
if (page < 0 || page >= mPageNum) {
throw new IndexOutOfBoundsException("Page number is " + mPageNum + ", page is " + page);
if (page < 0 || page >= mPageSize) {
throw new IndexOutOfBoundsException("Page size is " + mPageSize + ", page is " + page);
} else if (page >= mFirstPage && page < mLastPage) {
mCurrentPage = page;
mFirstIndex = mPageVolume * (page - mFirstPage);
mLastIndex = mFirstIndex + mPageVolume;
int position = mFirstIndex;
mRecyclerView.stopScroll();
mLayoutManager.scrollToPositionWithOffset(position, 0);
} else if (page == mFirstPage - 1) {
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_PRE_PAGE;
mCurrentTaskPage = page;
getPageData(mCurrentTaskId, mCurrentTaskPage);
} else if (page == mLastPage) {
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_NEXT_PAGE;
mCurrentTaskPage = page;
getPageData(mCurrentTaskId, mCurrentTaskPage);
} else {
mCurrentTaskId = mIdGenerator.nextId();
mCurrentTaskType = TYPE_SOMEWHERE;
mCurrentTaskPage = page;
getPageData(mCurrentTaskId, mCurrentTaskPage);
}
}
if (page > mFirstIndex) {
}
public void reload() {
notifyDataSetChanged();
mCurrentPage = mFirstPage;
mFirstIndex = 0;
mLastIndex = mPageVolume;
mRecyclerView.stopScroll();
mLayoutManager.scrollToPositionWithOffset(0, 0);
}
public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
}
@Override
public int getItemCount() {
return mData.size();
}
}
}