Examples with END android.support.v7.widget.helper.ItemTouchHelper.END used on opensource projects

Example 91 with END

use of android.support.v7.widget.helper.ItemTouchHelper.END in project FastAdapter by mikepenz.

the class EndlessRecyclerOnTopScrollListener method findOneVisibleChild.

private View findOneVisibleChild(int fromIndex, int toIndex, boolean completelyVisible, boolean acceptPartiallyVisible) {
    if (mLayoutManager.canScrollVertically() != mIsOrientationHelperVertical || mOrientationHelper == null) {
        mIsOrientationHelperVertical = mLayoutManager.canScrollVertically();
        mOrientationHelper = mIsOrientationHelperVertical ? OrientationHelper.createVerticalHelper(mLayoutManager) : OrientationHelper.createHorizontalHelper(mLayoutManager);
    }
    final int start = mOrientationHelper.getStartAfterPadding();
    final int end = mOrientationHelper.getEndAfterPadding();
    final int next = toIndex > fromIndex ? 1 : -1;
    View partiallyVisible = null;
    for (int i = fromIndex; i != toIndex; i += next) {
        final View child = mLayoutManager.getChildAt(i);
        if (child != null) {
            final int childStart = mOrientationHelper.getDecoratedStart(child);
            final int childEnd = mOrientationHelper.getDecoratedEnd(child);
            if (childStart < end && childEnd > start) {
                if (completelyVisible) {
                    if (childStart >= start && childEnd <= end) {
                        return child;
                    } else if (acceptPartiallyVisible && partiallyVisible == null) {
                        partiallyVisible = child;
                    }
                } else {
                    return child;
                }
            }
        }
    }
    return partiallyVisible;
}

Example 92 with END

use of android.support.v7.widget.helper.ItemTouchHelper.END in project BaseRecyclerViewAdapterHelper by CymChad.

the class ItemDragAndSwipeUseActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_item_touch_use);
    setBackBtn();
    setTitle("ItemDrag  And Swipe");
    mRecyclerView = (RecyclerView) findViewById(R.id.rv_list);
    mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
    mData = generateData(50);
    OnItemDragListener listener = new OnItemDragListener() {

        @Override
        public void onItemDragStart(RecyclerView.ViewHolder viewHolder, int pos) {
            Log.d(TAG, "drag start");
            BaseViewHolder holder = ((BaseViewHolder) viewHolder);
        //                holder.setTextColor(R.id.tv, Color.WHITE);
        }

        @Override
        public void onItemDragMoving(RecyclerView.ViewHolder source, int from, RecyclerView.ViewHolder target, int to) {
            Log.d(TAG, "move from: " + source.getAdapterPosition() + " to: " + target.getAdapterPosition());
        }

        @Override
        public void onItemDragEnd(RecyclerView.ViewHolder viewHolder, int pos) {
            Log.d(TAG, "drag end");
            BaseViewHolder holder = ((BaseViewHolder) viewHolder);
        //                holder.setTextColor(R.id.tv, Color.BLACK);
        }
    };
    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setTextSize(20);
    paint.setColor(Color.BLACK);
    OnItemSwipeListener onItemSwipeListener = new OnItemSwipeListener() {

        @Override
        public void onItemSwipeStart(RecyclerView.ViewHolder viewHolder, int pos) {
            Log.d(TAG, "view swiped start: " + pos);
            BaseViewHolder holder = ((BaseViewHolder) viewHolder);
        //                holder.setTextColor(R.id.tv, Color.WHITE);
        }

        @Override
        public void clearView(RecyclerView.ViewHolder viewHolder, int pos) {
            Log.d(TAG, "View reset: " + pos);
            BaseViewHolder holder = ((BaseViewHolder) viewHolder);
        //                holder.setTextColor(R.id.tv, Color.BLACK);
        }

        @Override
        public void onItemSwiped(RecyclerView.ViewHolder viewHolder, int pos) {
            Log.d(TAG, "View Swiped: " + pos);
        }

        @Override
        public void onItemSwipeMoving(Canvas canvas, RecyclerView.ViewHolder viewHolder, float dX, float dY, boolean isCurrentlyActive) {
            canvas.drawColor(ContextCompat.getColor(ItemDragAndSwipeUseActivity.this, R.color.color_light_blue));
        //                canvas.drawText("Just some text", 0, 40, paint);
        }
    };
    mAdapter = new ItemDragAdapter(mData);
    mItemDragAndSwipeCallback = new ItemDragAndSwipeCallback(mAdapter);
    mItemTouchHelper = new ItemTouchHelper(mItemDragAndSwipeCallback);
    mItemTouchHelper.attachToRecyclerView(mRecyclerView);
    //mItemDragAndSwipeCallback.setDragMoveFlags(ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT | ItemTouchHelper.UP | ItemTouchHelper.DOWN);
    mItemDragAndSwipeCallback.setSwipeMoveFlags(ItemTouchHelper.START | ItemTouchHelper.END);
    mAdapter.enableSwipeItem();
    mAdapter.setOnItemSwipeListener(onItemSwipeListener);
    mAdapter.enableDragItem(mItemTouchHelper);
    mAdapter.setOnItemDragListener(listener);
    //        mRecyclerView.addItemDecoration(new GridItemDecoration(this ,R.drawable.list_divider));
    mRecyclerView.setAdapter(mAdapter);
    mRecyclerView.addOnItemTouchListener(new OnItemClickListener() {

        @Override
        public void onSimpleItemClick(final BaseQuickAdapter adapter, final View view, final int position) {
            ToastUtils.showShortToast("点击了" + position);
        }
    });
}

Example 93 with END

use of android.support.v7.widget.helper.ItemTouchHelper.END in project SuperSLiM by TonicArtos.

the class LayoutManager method smoothScrollToPosition.

@Override
public void smoothScrollToPosition(final RecyclerView recyclerView, RecyclerView.State state, final int position) {
    if (position < 0 || getItemCount() <= position) {
        Log.e("SuperSLiM.LayoutManager", "Ignored smooth scroll to " + position + " as it is not within the item range 0 - " + getItemCount());
        return;
    }
    // Temporarily disable sticky headers.
    requestLayout();
    recyclerView.getHandler().post(new Runnable() {

        @Override
        public void run() {
            LinearSmoothScroller smoothScroller = new LinearSmoothScroller(recyclerView.getContext()) {

                @Override
                protected void onChildAttachedToWindow(View child) {
                    super.onChildAttachedToWindow(child);
                }

                @Override
                protected void onStop() {
                    super.onStop();
                    // Turn sticky headers back on.
                    requestLayout();
                }

                @Override
                protected int getVerticalSnapPreference() {
                    return LinearSmoothScroller.SNAP_TO_START;
                }

                @Override
                public int calculateDyToMakeVisible(View view, int snapPreference) {
                    final RecyclerView.LayoutManager layoutManager = getLayoutManager();
                    if (!layoutManager.canScrollVertically()) {
                        return 0;
                    }
                    final RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) view.getLayoutParams();
                    final int top = layoutManager.getDecoratedTop(view) - params.topMargin;
                    final int bottom = layoutManager.getDecoratedBottom(view) + params.bottomMargin;
                    final int start = getPosition(view) == 0 ? layoutManager.getPaddingTop() : 0;
                    final int end = layoutManager.getHeight() - layoutManager.getPaddingBottom();
                    int dy = calculateDtToFit(top, bottom, start, end, snapPreference);
                    return dy == 0 ? 1 : dy;
                }

                @Override
                public PointF computeScrollVectorForPosition(int targetPosition) {
                    if (getChildCount() == 0) {
                        return null;
                    }
                    return new PointF(0, getDirectionToPosition(targetPosition));
                }
            };
            smoothScroller.setTargetPosition(position);
            startSmoothScroll(smoothScroller);
        }
    });
}

Example 94 with END

use of android.support.v7.widget.helper.ItemTouchHelper.END in project SuperSLiM by TonicArtos.

the class LayoutManager method fillToEnd.

/**
     * Fill the space between the last content item and the leadingEdge.
     *
     * @param leadingEdge Line to fill up to. Content will not be wholly beyond this line.
     * @param state       Layout state.  @return Line to which content has been filled. If the line
     *                    is before the leading edge then the end of the data set has been reached.
     */
private int fillToEnd(int leadingEdge, LayoutState state) {
    final View anchor = getAnchorAtEnd();
    LayoutParams anchorParams = (LayoutParams) anchor.getLayoutParams();
    final int sfp = anchorParams.getTestedFirstPosition();
    final View first = getHeaderOrFirstViewForSection(sfp, Direction.END, state);
    final SectionData sd = new SectionData(this, first);
    final SectionLayoutManager slm = getSlm(sd);
    int markerLine = slm.finishFillToEnd(leadingEdge, anchor, sd, state);
    View header = findAttachedHeaderForSectionFromEnd(sd.firstPosition);
    markerLine = updateHeaderForEnd(header, markerLine);
    if (markerLine <= leadingEdge) {
        markerLine = fillNextSectionToEnd(leadingEdge, markerLine, state);
    }
    return markerLine;
}

Example 95 with END

use of android.support.v7.widget.helper.ItemTouchHelper.END in project SuperSLiM by TonicArtos.

the class SectionLayoutManager method getLowestEdge.

/**
     * Find the lowest displayed edge of the section. If there is no member found then return the
     * default edge instead.
     *
     * @param sectionFirstPosition Section id, position of first item in the section.
     * @param lastIndex            Index to start looking from. Usually the index of the last
     *                             attached view in this section.
     * @param defaultEdge          Default value.
     * @return Lowest (attached) edge of the section.
     */
public int getLowestEdge(int sectionFirstPosition, int lastIndex, int defaultEdge) {
    // Look from end to find children that are the lowest.
    for (int i = lastIndex; i >= 0; i--) {
        View child = mLayoutManager.getChildAt(i);
        LayoutManager.LayoutParams params = (LayoutManager.LayoutParams) child.getLayoutParams();
        if (params.getTestedFirstPosition() != sectionFirstPosition) {
            break;
        }
        if (params.isHeader) {
            continue;
        }
        // A more interesting layout would have to do something more here.
        return mLayoutManager.getDecoratedBottom(child);
    }
    return defaultEdge;
}