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

Example 26 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project AndroidSlidingUpPanel by umano.

the class ScrollableViewHelper method getScrollableViewScrollPosition.

/**
 * Returns the current scroll position of the scrollable view. If this method returns zero or
 * less, it means at the scrollable view is in a position such as the panel should handle
 * scrolling. If the method returns anything above zero, then the panel will let the scrollable
 * view handle the scrolling
 *
 * @param scrollableView the scrollable view
 * @param isSlidingUp whether or not the panel is sliding up or down
 * @return the scroll position
 */
public int getScrollableViewScrollPosition(View scrollableView, boolean isSlidingUp) {
    if (scrollableView == null)
        return 0;
    if (scrollableView instanceof ScrollView) {
        if (isSlidingUp) {
            return scrollableView.getScrollY();
        } else {
            ScrollView sv = ((ScrollView) scrollableView);
            View child = sv.getChildAt(0);
            return (child.getBottom() - (sv.getHeight() + sv.getScrollY()));
        }
    } else if (scrollableView instanceof ListView && ((ListView) scrollableView).getChildCount() > 0) {
        ListView lv = ((ListView) scrollableView);
        if (lv.getAdapter() == null)
            return 0;
        if (isSlidingUp) {
            View firstChild = lv.getChildAt(0);
            // Approximate the scroll position based on the top child and the first visible item
            return lv.getFirstVisiblePosition() * firstChild.getHeight() - firstChild.getTop();
        } else {
            View lastChild = lv.getChildAt(lv.getChildCount() - 1);
            // Approximate the scroll position based on the bottom child and the last visible item
            return (lv.getAdapter().getCount() - lv.getLastVisiblePosition() - 1) * lastChild.getHeight() + lastChild.getBottom() - lv.getBottom();
        }
    } else if (scrollableView instanceof RecyclerView && ((RecyclerView) scrollableView).getChildCount() > 0) {
        RecyclerView rv = ((RecyclerView) scrollableView);
        RecyclerView.LayoutManager lm = rv.getLayoutManager();
        if (rv.getAdapter() == null)
            return 0;
        if (isSlidingUp) {
            View firstChild = rv.getChildAt(0);
            // Approximate the scroll position based on the top child and the first visible item
            return rv.getChildLayoutPosition(firstChild) * lm.getDecoratedMeasuredHeight(firstChild) - lm.getDecoratedTop(firstChild);
        } else {
            View lastChild = rv.getChildAt(rv.getChildCount() - 1);
            // Approximate the scroll position based on the bottom child and the last visible item
            return (rv.getAdapter().getItemCount() - 1) * lm.getDecoratedMeasuredHeight(lastChild) + lm.getDecoratedBottom(lastChild) - rv.getBottom();
        }
    } else {
        return 0;
    }
}

Example 27 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project NoteText by ViWu.

the class MainMenu method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main_menu);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    ActionBar actionbar = getSupportActionBar();
    initializeToolbar(toolbar, actionbar);
    // set up grid and insert new set
    gvItems = (GridView) findViewById(R.id.gvItems);
    // Represents each item in gridView
    Names = new ArrayList<String>();
    newSet = new Set();
    // set up adapter for grid
    itemsAdapter = new ArrayAdapter<String>(MainMenu.this, R.layout.grid_item, Names);
    gvItems.setAdapter(itemsAdapter);
    setupListViewListener();
    // create a floating action button to help the user
    FloatingActionButton help = (FloatingActionButton) findViewById(R.id.help);
    assert help != null;
    help.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View view) {
            Snackbar.make(view, "Click on the name of the set to edit. Hold down to delete/rename. To add sets, tap the button to the left.", Snackbar.LENGTH_LONG).setAction("Action", null).show();
        }
    });
    // add button: Creates a popup window to type in name of new set
    FloatingActionButton add = (FloatingActionButton) findViewById(R.id.add);
    assert add != null;
    add.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(final View view) {
            AlertDialog.Builder alert = new AlertDialog.Builder(MainMenu.this);
            final EditText setNameField = new EditText(MainMenu.this);
            alert.setMessage("Enter Name of New Set");
            alert.setTitle("Create New Set");
            alert.setView(setNameField);
            setNameField.requestFocus();
            final InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY);
            setNameField.setFilters(new InputFilter[] { new InputFilter.LengthFilter(25) });
            alert.setPositiveButton("Ok", new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                    String itemText = setNameField.getText().toString();
                    if (itemText.length() > 0) {
                        fileCreate(itemText, view);
                        newSet.setName(itemText);
                        Sets.add(newSet);
                        gvItems.smoothScrollToPosition(itemsAdapter.getCount() - 1);
                        setCount++;
                    } else {
                        String msg = "Create set failed! Set names need to be at least one character long!";
                        errorDialog(msg);
                    }
                    checkNoSetExists();
                    imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, InputMethodManager.RESULT_UNCHANGED_SHOWN);
                }
            });
            alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                    imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, InputMethodManager.RESULT_UNCHANGED_SHOWN);
                }
            });
            alert.show();
        }
    });
    loadInternalStorage();
    checkNoSetExists();
}

Example 28 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project iNGAGE by davis123123.

the class ChatArrayAdapter method onBindViewHolder.

@Override
public void onBindViewHolder(final ChatArrayAdapter.ChatViewHolder holder, final int position) {
    final ChatMessageHelper chatMessageHelper = (ChatMessageHelper) this.getItem(position);
    holder.bind(position);
    String userVote = "";
    userVote = chatMessageHelper.getUserVote();
    // side = chatMessageHelper.getSide();
    if (userVote != null) {
        if (userVote.equals("up")) {
            toggleVote(holder.bUpvote, selectedColorAgree, false);
            toggleVote(holder.bDownvote, unselectedColor, true);
        } else if (userVote.equals("down")) {
            toggleVote(holder.bUpvote, unselectedColor, true);
            toggleVote(holder.bDownvote, selectedColorDisagree, false);
        }
    } else {
        toggleVote(holder.bUpvote, unselectedColor, true);
        toggleVote(holder.bDownvote, unselectedColor, true);
    }
    if (holder.avatar.getDrawable() == null) {
        Log.d("Upvote state: ", " no avatar");
        holder.downloadAvatar();
    }
    holder.bUpvote.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            itemClickCallback.onUpvoteClick(position);
            // MAKE boolean LOL
            String prev_voted = "false", vote = "up";
            // check if previously voted
            if (chatMessageHelper.getUserVote() != null) {
                if (chatMessageHelper.getUserVote().equals("down")) {
                    prev_voted = "true";
                    itemClickCallback.removeDownvote(position);
                }
            // remove previous downvote
            }
            // set user vote to up
            chatMessageHelper.setUserVote(vote);
            if (chatMessageHelper.getUserVote().equals(vote)) {
                toggleVote(holder.bUpvote, selectedColorAgree, false);
                toggleVote(holder.bDownvote, unselectedColor, true);
            } else {
                toggleVote(holder.bUpvote, unselectedColor, true);
                toggleVote(holder.bDownvote, unselectedColor, true);
            }
            // insert into user profile
            itemClickCallback.insertVote(position, prev_voted, vote);
        }
    });
    holder.bDownvote.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            itemClickCallback.onDownvoteClick(position);
            // MAKE boolean LOL
            String prev_voted = "false", vote = "down";
            // check if previously voted
            if (chatMessageHelper.getUserVote() != null) {
                if (chatMessageHelper.getUserVote().equals("up")) {
                    prev_voted = "true";
                    itemClickCallback.removeUpvote(position);
                }
            // remove previous downvote
            }
            chatMessageHelper.setUserVote(vote);
            if (chatMessageHelper.getUserVote().equals(vote)) {
                toggleVote(holder.bUpvote, unselectedColor, true);
                toggleVote(holder.bDownvote, selectedColorDisagree, false);
            } else {
                toggleVote(holder.bUpvote, unselectedColor, true);
                toggleVote(holder.bDownvote, unselectedColor, true);
            }
            // insert into user profile
            itemClickCallback.insertVote(position, prev_voted, vote);
        }
    });
    holder.avatar.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            itemClickCallback.onAvatarClick(position);
        }
    });
}

Example 29 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project iNGAGE by davis123123.

the class ArchivedFragment method onViewCreated.

@Override
public void onViewCreated(final View view, final Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    threadListRecyclerView = (RecyclerView) rootView.findViewById(R.id.rv_posts);
    final LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
    threadListRecyclerView.setLayoutManager(layoutManager);
    threadListRecyclerView.setAdapter(threadListAdapter);
    Log.d("STATE", "serverstring" + json_string);
    inflateThreads();
    threadListAdapter.setOnLoadMoreListener(new ThreadListAdapter.OnLoadMoreListener() {

        @Override
        public void onLoadMore() {
            Log.d("haint", "Load More");
            // threadListAdapter.list.add(null);
            // threadListAdapter.notifyItemInserted(threadListAdapter.list.size() - 1);
            rowCount += 10;
            Thread getJSON = new Thread(new Runnable() {

                @Override
                public void run() {
                    getThreadsJSON(rowCount);
                    while (true) {
                        if (!threadListAdapter.getLoadStat()) {
                            Log.d("haint", "Load More222");
                            break;
                        }
                    // no longer loading
                    }
                }
            });
            getJSON.start();
            try {
                getJSON.join();
                // threadListAdapter.list.remove(threadListAdapter.list.size() - 1);
                // threadListAdapter.notifyItemRemoved(threadListAdapter.list.size());
                inflateThreads();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        // getThreadsJSON(rowCount);
        // inflateThreads();
        /*new Handler().postDelayed(new Runnable() {
                    @Override
                    public void run() {
                        Log.e("haint", "Load More 2");
                        threadListAdapter.list.remove(threadListAdapter.list.size() - 1);
                        threadListAdapter.notifyItemRemoved(threadListAdapter.list.size());
                        rowCount += 10;
                        getThreadsJSON(rowCount);
                        inflateThreads();
                        threadListAdapter.setLoaded();
                    }
                }, 10000);*/
        }
    });
    threadListRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {

        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            Log.d("...", "Lastnot Item Wow !");
            if (// check for scroll down
            dy > 0) {
                visibleItemCount = layoutManager.getChildCount();
                totalItemCount = layoutManager.getItemCount();
                pastVisiblesItems = layoutManager.findFirstVisibleItemPosition();
                if (!threadListAdapter.isLoading && (visibleItemCount + pastVisiblesItems) >= totalItemCount) {
                    // if(mOnLoadMoreListener != null){
                    Log.d("...", "Last Item Wow !");
                    threadListAdapter.isLoading = true;
                    // threadListAdapter.list.add(null);
                    threadListAdapter.mOnLoadMoreListener.onLoadMore();
                // }
                // loading = false;
                // rowCount += 10;
                // getThreadsJSON(rowCount);
                // inflateThreads();
                // Do pagination.. i.e. fetch new data
                }
            }
        }
    });
}

Example 30 with DOWN

use of android.support.v7.widget.helper.ItemTouchHelper.DOWN in project ChipsLayoutManager by BelooS.

the class VerticalScrollingController method createSmoothScroller.

@Override
public RecyclerView.SmoothScroller createSmoothScroller(@NonNull Context context, final int position, final int timeMs, final AnchorViewState anchor) {
    return new LinearSmoothScroller(context) {

        /*
             * LinearSmoothScroller, at a minimum, just need to know the vector
             * (x/y distance) to travel in order to get from the current positioning
             * to the target.
             */
        @Override
        public PointF computeScrollVectorForPosition(int targetPosition) {
            int visiblePosition = anchor.getPosition();
            // determine scroll up or scroll down needed
            return new PointF(0, position > visiblePosition ? 1 : -1);
        }

        @Override
        protected void onTargetFound(View targetView, RecyclerView.State state, Action action) {
            super.onTargetFound(targetView, state, action);
            int desiredTop = lm.getPaddingTop();
            int currentTop = lm.getDecoratedTop(targetView);
            int dy = currentTop - desiredTop;
            // perform fit animation to move target view at top of layout
            action.update(0, dy, timeMs, new LinearInterpolator());
        }
    };
}