mirror of https://github.com/tasks/tasks
Use recycler view in beast mode preferences
Alex Baker
8 years ago
parent
b6ab3627f7
commit
f30ae42143
@ -1,446 +0,0 @@
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/*
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* Copyright (c) 2010 CommonsWare, LLC
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* Portions Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.commonsware.cwac.tlv;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Bitmap;
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import android.graphics.PixelFormat;
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import android.graphics.Rect;
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import android.util.AttributeSet;
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import android.view.Gravity;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewConfiguration;
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import android.view.ViewGroup;
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import android.view.WindowManager;
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import android.widget.AdapterView;
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import android.widget.ImageView;
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import android.widget.ListView;
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import org.tasks.R;
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public class TouchListView extends ListView {
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private ImageView mDragView;
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private WindowManager mWindowManager;
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private WindowManager.LayoutParams mWindowParams;
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private int mDragPos; // which item is being dragged
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private int mFirstDragPos; // where was the dragged item originally
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private int mDragPoint; // at what offset inside the item did the user grab it
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private int mCoordOffset; // the difference between screen coordinates and coordinates in this view
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private float mDragStartX;
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private DropListener mDropListener;
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private int mUpperBound;
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private int mLowerBound;
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private int mHeight;
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private static final int SLIDE_RIGHT = 1;
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private static final int SLIDE_LEFT = 2;
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private int mRemoveMode = -1;
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private final Rect mTempRect = new Rect();
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private Bitmap mDragBitmap;
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private final int mTouchSlop;
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private int mItemHeightNormal=-1;
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private int mItemHeightExpanded=-1;
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private int grabberId=-1;
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private int dragndropBackgroundColor=0x00000000;
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private Thread longPressThread;
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public TouchListView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public TouchListView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
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if (attrs != null) {
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TypedArray a = getContext().obtainStyledAttributes(attrs,
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R.styleable.TouchListView, 0, 0);
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mItemHeightNormal = a.getDimensionPixelSize(
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R.styleable.TouchListView_normal_height, 0);
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mItemHeightExpanded = a.getDimensionPixelSize(
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R.styleable.TouchListView_expanded_height,
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mItemHeightNormal);
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grabberId = a.getResourceId(R.styleable.TouchListView_grabber, -1);
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dragndropBackgroundColor = a.getColor(
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R.styleable.TouchListView_dragndrop_background, 0x00000000);
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mRemoveMode = a.getInt(R.styleable.TouchListView_remove_mode, -1);
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a.recycle();
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}
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}
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@Override
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final public void addHeaderView (View v, Object data, boolean isSelectable) {
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throw new RuntimeException("Headers are not supported with TouchListView");
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}
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@Override
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final public void addHeaderView (View v) {
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throw new RuntimeException("Headers are not supported with TouchListView");
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}
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@Override
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final public void addFooterView (View v, Object data, boolean isSelectable) {
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if (mRemoveMode == SLIDE_LEFT || mRemoveMode == SLIDE_RIGHT) {
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throw new RuntimeException("Footers are not supported with TouchListView in conjunction with remove_mode");
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}
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}
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@Override
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final public void addFooterView (View v) {
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if (mRemoveMode == SLIDE_LEFT || mRemoveMode == SLIDE_RIGHT) {
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throw new RuntimeException("Footers are not supported with TouchListView in conjunction with remove_mode");
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}
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}
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@Override
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public boolean onInterceptTouchEvent(MotionEvent ev) {
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if (mDropListener != null) {
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switch (ev.getAction()) {
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case MotionEvent.ACTION_DOWN:
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int x = (int) ev.getX();
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int y = (int) ev.getY();
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int itemnum = pointToPosition(x, y);
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if (itemnum == AdapterView.INVALID_POSITION) {
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break;
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}
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View item = getChildAt(itemnum - getFirstVisiblePosition());
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if (isDraggableRow(item)) {
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mDragPoint = y - item.getTop();
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mCoordOffset = ((int)ev.getRawY()) - y;
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View dragger = item.findViewById(grabberId);
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Rect r = mTempRect;
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// dragger.getDrawingRect(r);
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r.left=dragger.getLeft();
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r.right=dragger.getRight();
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r.top=dragger.getTop();
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r.bottom=dragger.getBottom();
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if ((r.left<x) && (x<r.right)) {
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item.setDrawingCacheEnabled(true);
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// Create a copy of the drawing cache so that it does not get recycled
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// by the framework when the list tries to clean up memory
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Bitmap bitmap = Bitmap.createBitmap(item.getDrawingCache());
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item.setDrawingCacheEnabled(false);
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Rect listBounds=new Rect();
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getGlobalVisibleRect(listBounds, null);
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startDragging(bitmap, listBounds.left, y);
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mDragPos = itemnum;
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mFirstDragPos = mDragPos;
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mHeight = getHeight();
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mDragStartX = ev.getX();
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int touchSlop = mTouchSlop;
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mUpperBound = Math.min(y - touchSlop, mHeight / 3);
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mLowerBound = Math.max(y + touchSlop, mHeight * 2 /3);
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return false;
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}
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mDragView = null;
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}
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break;
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}
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}
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return super.onInterceptTouchEvent(ev);
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}
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private boolean isDraggableRow(View view) {
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return(view.findViewById(grabberId)!=null);
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}
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/*
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* pointToPosition() doesn't consider invisible views, but we
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* need to, so implement a slightly different version.
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*/
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private int myPointToPosition(int x, int y) {
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Rect frame = mTempRect;
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final int count = getChildCount();
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for (int i = count - 1; i >= 0; i--) {
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final View child = getChildAt(i);
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child.getHitRect(frame);
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if (frame.contains(x, y)) {
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return getFirstVisiblePosition() + i;
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}
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}
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return INVALID_POSITION;
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}
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private int getItemForPosition(int y) {
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int adjustedy = y - mDragPoint - (mItemHeightNormal/2);
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int pos = myPointToPosition(0, adjustedy);
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if (pos >= 0) {
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if (pos <= mFirstDragPos) {
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pos += 1;
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}
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} else if (adjustedy < 0) {
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pos = 0;
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}
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return pos;
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}
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private void adjustScrollBounds(int y) {
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if (y >= mHeight / 3) {
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mUpperBound = mHeight / 3;
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}
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if (y <= mHeight * 2 / 3) {
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mLowerBound = mHeight * 2 / 3;
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}
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}
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/*
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* Restore size and visibility for all listitems
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*/
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private void unExpandViews(boolean deletion) {
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for (int i = 0;; i++) {
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View v = getChildAt(i);
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if (v == null) {
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if (deletion) {
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// HACK force update of mItemCount
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int position = getFirstVisiblePosition();
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int y = getChildAt(0).getTop();
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setAdapter(getAdapter());
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setSelectionFromTop(position, y);
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// end hack
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}
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layoutChildren(); // force children to be recreated where needed
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v = getChildAt(i);
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if (v == null) {
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break;
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}
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}
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if (isDraggableRow(v)) {
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ViewGroup.LayoutParams params = v.getLayoutParams();
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params.height = mItemHeightNormal;
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v.setLayoutParams(params);
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v.setVisibility(View.VISIBLE);
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}
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}
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}
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/* Adjust visibility and size to make it appear as though
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* an item is being dragged around and other items are making
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* room for it:
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* If dropping the item would result in it still being in the
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* same place, then make the dragged listitem's size normal,
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* but make the item invisible.
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* Otherwise, if the dragged listitem is still on screen, make
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* it as small as possible and expand the item below the insert
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* point.
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* If the dragged item is not on screen, only expand the item
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* below the current insertpoint.
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*/
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private void doExpansion() {
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int childnum = mDragPos - getFirstVisiblePosition();
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if (mDragPos > mFirstDragPos) {
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childnum++;
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}
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View first = getChildAt(mFirstDragPos - getFirstVisiblePosition());
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for (int i = 0;; i++) {
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View vv = getChildAt(i);
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if (vv == null) {
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break;
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}
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int height = mItemHeightNormal;
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int visibility = View.VISIBLE;
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if (vv.equals(first)) {
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// processing the item that is being dragged
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if (mDragPos == mFirstDragPos) {
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// hovering over the original location
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visibility = View.INVISIBLE;
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} else {
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// not hovering over it
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height = 1;
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}
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} else if (i == childnum) {
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if (mDragPos < getCount() - 1) {
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height = mItemHeightExpanded;
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}
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}
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if (isDraggableRow(vv)) {
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ViewGroup.LayoutParams params = vv.getLayoutParams();
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params.height = height;
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vv.setLayoutParams(params);
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vv.setVisibility(visibility);
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}
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}
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// Request re-layout since we changed the items layout
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// and not doing this would cause bogus hitbox calculation
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// in myPointToPosition
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layoutChildren();
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}
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@Override
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public boolean onTouchEvent(MotionEvent ev) {
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if ((mDropListener != null) && mDragView != null) {
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int action = ev.getAction();
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switch (action) {
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case MotionEvent.ACTION_UP:
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case MotionEvent.ACTION_CANCEL:
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Rect r = mTempRect;
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mDragView.getDrawingRect(r);
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stopDragging();
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if (mDragPos == mFirstDragPos && ev.getX() > mDragStartX + 20) {
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unExpandViews(true);
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} else if (mDragPos == mFirstDragPos && ev.getX() < mDragStartX - 20) {
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unExpandViews(true);
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} else {
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if (mDropListener != null && mDragPos >= 0 && mDragPos < getCount()) {
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mDropListener.drop(mFirstDragPos, mDragPos);
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}
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unExpandViews(false);
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}
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break;
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case MotionEvent.ACTION_DOWN:
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case MotionEvent.ACTION_MOVE:
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int x = (int) ev.getX();
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int y = (int) ev.getY();
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dragView(x, y);
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int itemnum = getItemForPosition(y);
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if (itemnum >= 0) {
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if (action == MotionEvent.ACTION_DOWN || itemnum != mDragPos) {
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mDragPos = itemnum;
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doExpansion();
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}
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int speed = 0;
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adjustScrollBounds(y);
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if (y > mLowerBound) {
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// scroll the list up a bit
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speed = y > (mHeight + mLowerBound) / 2 ? 16 : 4;
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} else if (y < mUpperBound) {
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// scroll the list down a bit
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speed = y < mUpperBound / 2 ? -16 : -4;
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}
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if (speed != 0) {
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int ref = pointToPosition(0, mHeight / 2);
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if (ref == AdapterView.INVALID_POSITION) {
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//we hit a divider or an invisible view, check somewhere else
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ref = pointToPosition(0, mHeight / 2 + getDividerHeight() + 64);
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}
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View v = getChildAt(ref - getFirstVisiblePosition());
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if (v!= null) {
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int pos = v.getTop();
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setSelectionFromTop(ref, pos - speed);
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}
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}
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}
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break;
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}
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return true;
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}
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return super.onTouchEvent(ev);
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}
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private void startDragging(Bitmap bm, int x, int y) {
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stopDragging();
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mWindowParams = new WindowManager.LayoutParams();
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mWindowParams.gravity = Gravity.TOP|Gravity.START;
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mWindowParams.x = x;
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mWindowParams.y = y - mDragPoint + mCoordOffset;
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mWindowParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
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mWindowParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
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mWindowParams.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
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| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
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| WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
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| WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
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mWindowParams.format = PixelFormat.TRANSLUCENT;
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mWindowParams.windowAnimations = 0;
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ImageView v = new ImageView(getContext());
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v.setBackgroundColor(dragndropBackgroundColor);
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v.setImageBitmap(bm);
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mDragBitmap = bm;
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mWindowManager = (WindowManager)getContext().getSystemService(Context.WINDOW_SERVICE);
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mWindowManager.addView(v, mWindowParams);
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mDragView = v;
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}
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private void dragView(int x, int y) {
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float alpha = 1.0f;
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int width = mDragView.getWidth();
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if (mRemoveMode == SLIDE_RIGHT) {
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if (x > width / 2) {
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alpha = ((float)(width - x)) / (width / 2);
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}
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mWindowParams.alpha = alpha;
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}
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else if (mRemoveMode == SLIDE_LEFT) {
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if (x < width / 2) {
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alpha = ((float)x) / (width / 2);
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}
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mWindowParams.alpha = alpha;
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}
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mWindowParams.y = y - mDragPoint + mCoordOffset;
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mWindowManager.updateViewLayout(mDragView, mWindowParams);
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}
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private void stopDragging() {
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if (mDragBitmap != null) {
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mDragBitmap.recycle();
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mDragBitmap = null;
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}
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if (mDragView != null) {
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WindowManager wm = (WindowManager) getContext().getSystemService(
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Context.WINDOW_SERVICE);
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wm.removeView(mDragView);
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mDragView.setImageDrawable(null);
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mDragView = null;
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}
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if(longPressThread != null) {
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longPressThread.interrupt();
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longPressThread = null;
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}
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}
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public void setDropListener(DropListener l) {
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mDropListener = l;
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}
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public interface GrabberClickListener {
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void onClick(View v);
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void onLongClick(View v);
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}
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public interface DropListener {
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void drop(int from, int to);
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}
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public interface SwipeListener {
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void swipeLeft(int which);
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void swipeRight(int which);
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}
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}
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@ -0,0 +1,96 @@
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package org.tasks.preferences.beast;
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import android.content.Context;
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import android.content.res.Resources;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.helper.ItemTouchHelper;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import org.tasks.R;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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public class BeastModeRecyclerAdapter extends RecyclerView.Adapter<BeastModeViewHolder> {
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private final List<String> items = new ArrayList<>();
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private final HashMap<String, String> prefsToDescriptions = new HashMap<>();
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private final ItemTouchHelper itemTouchHelper;
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public BeastModeRecyclerAdapter(Context context, List<String> items) {
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this.items.addAll(items);
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itemTouchHelper = new ItemTouchHelper(new ItemTouchHelperCallback());
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buildDescriptionMap(context.getResources());
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}
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public void applyToRecyclerView(RecyclerView recyclerView) {
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recyclerView.setAdapter(this);
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itemTouchHelper.attachToRecyclerView(recyclerView);
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}
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public List<String> getItems() {
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return items;
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}
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public void setItems(List<String> items) {
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this.items.clear();
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this.items.addAll(items);
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notifyDataSetChanged();
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}
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@Override
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public BeastModeViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
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View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.preference_draggable_row, parent, false);
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return new BeastModeViewHolder(view, itemTouchHelper);
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}
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@Override
|
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public void onBindViewHolder(final BeastModeViewHolder holder, int position) {
|
||||
String key = items.get(position);
|
||||
String value = prefsToDescriptions.get(key);
|
||||
holder.setText(value);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getItemCount() {
|
||||
return items.size();
|
||||
}
|
||||
|
||||
private void buildDescriptionMap(Resources r) {
|
||||
String[] keys = r.getStringArray(R.array.TEA_control_sets_prefs);
|
||||
String[] descriptions = r.getStringArray(R.array.TEA_control_sets_beast);
|
||||
for (int i = 0; i < keys.length && i < descriptions.length; i++) {
|
||||
prefsToDescriptions.put(keys[i], descriptions[i]);
|
||||
}
|
||||
}
|
||||
|
||||
private class ItemTouchHelperCallback extends ItemTouchHelper.Callback {
|
||||
@Override
|
||||
public boolean isItemViewSwipeEnabled() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getMovementFlags(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder) {
|
||||
return makeMovementFlags(ItemTouchHelper.UP | ItemTouchHelper.DOWN, 0);
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder from, RecyclerView.ViewHolder to) {
|
||||
int fromPosition = from.getAdapterPosition();
|
||||
int toPosition = to.getAdapterPosition();
|
||||
Collections.swap(items, fromPosition, toPosition);
|
||||
notifyItemMoved(fromPosition, toPosition);
|
||||
return true;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSwiped(RecyclerView.ViewHolder viewHolder, int direction) {
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,38 @@
|
||||
package org.tasks.preferences.beast;
|
||||
|
||||
import android.support.v4.view.MotionEventCompat;
|
||||
import android.support.v7.widget.RecyclerView;
|
||||
import android.support.v7.widget.helper.ItemTouchHelper;
|
||||
import android.view.MotionEvent;
|
||||
import android.view.View;
|
||||
import android.widget.TextView;
|
||||
|
||||
import org.tasks.R;
|
||||
|
||||
import butterknife.BindView;
|
||||
import butterknife.ButterKnife;
|
||||
import butterknife.OnTouch;
|
||||
|
||||
class BeastModeViewHolder extends RecyclerView.ViewHolder {
|
||||
@BindView(R.id.text) TextView textView;
|
||||
|
||||
private final ItemTouchHelper itemTouchHelper;
|
||||
|
||||
BeastModeViewHolder(View itemView, ItemTouchHelper itemTouchHelper) {
|
||||
super(itemView);
|
||||
this.itemTouchHelper = itemTouchHelper;
|
||||
ButterKnife.bind(this, itemView);
|
||||
}
|
||||
|
||||
void setText(String text) {
|
||||
textView.setText(text);
|
||||
}
|
||||
|
||||
@OnTouch(R.id.grabber)
|
||||
boolean onTouch(View view, MotionEvent event) {
|
||||
if (MotionEventCompat.getActionMasked(event) == MotionEvent.ACTION_DOWN) {
|
||||
itemTouchHelper.startDrag(this);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
}
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 728 B |
@ -0,0 +1,5 @@
|
||||
<vector android:autoMirrored="true" android:height="24dp"
|
||||
android:viewportHeight="24.0" android:viewportWidth="24.0"
|
||||
android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
|
||||
<path android:fillColor="#FF000000" android:pathData="M20,9H4v2h16V9zM4,15h16v-2H4v2z"/>
|
||||
</vector>
|
||||
@ -1,39 +1,31 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<!--
|
||||
** Copyright (c) 2012 Todoroo Inc
|
||||
**
|
||||
** See the file "LICENSE" for the full license governing this code.
|
||||
-->
|
||||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="52dip"
|
||||
android:paddingTop="2dip"
|
||||
android:paddingBottom="2dip"
|
||||
android:paddingLeft="4dip"
|
||||
android:paddingRight="4dip"
|
||||
android:orientation="horizontal">
|
||||
|
||||
<!-- grabber -->
|
||||
<LinearLayout
|
||||
android:id="@+id/row_body"
|
||||
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:app="http://schemas.android.com/apk/res-auto"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="?listPreferredItemHeight"
|
||||
android:layout_margin="8dp"
|
||||
android:clickable="true"
|
||||
android:focusable="true"
|
||||
android:foreground="?selectableItemBackground"
|
||||
app:cardCornerRadius="2dp">
|
||||
|
||||
<TextView
|
||||
android:id="@+id/text"
|
||||
android:layout_width="wrap_content"
|
||||
android:layout_height="fill_parent"
|
||||
android:orientation="horizontal"
|
||||
android:gravity="center_vertical">
|
||||
<ImageView android:id="@+id/grabber"
|
||||
android:layout_width="wrap_content"
|
||||
android:layout_height="fill_parent"
|
||||
android:scaleType="center"
|
||||
android:src="@drawable/grabber"/>
|
||||
|
||||
<TextView
|
||||
android:id="@+id/text"
|
||||
android:layout_width="fill_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:paddingLeft="10dp"
|
||||
android:paddingStart="10dp"
|
||||
android:paddingRight="0dp"
|
||||
android:paddingEnd="0dp"
|
||||
android:textAppearance="?android:attr/textAppearanceLarge"/>
|
||||
</LinearLayout>
|
||||
</LinearLayout>
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_gravity="center_vertical"
|
||||
android:layout_marginEnd="@dimen/keyline_first"
|
||||
android:layout_marginLeft="@dimen/keyline_first"
|
||||
android:layout_marginRight="@dimen/keyline_first"
|
||||
android:layout_marginStart="@dimen/keyline_first"
|
||||
android:textAppearance="?android:attr/textAppearanceMedium" />
|
||||
|
||||
<ImageView
|
||||
android:id="@+id/grabber"
|
||||
android:layout_width="?listPreferredItemHeight"
|
||||
android:layout_height="match_parent"
|
||||
android:layout_gravity="center_vertical|end"
|
||||
android:scaleType="center"
|
||||
android:src="@drawable/ic_drag_handle_black_24dp"
|
||||
android:tint="?attr/icon_tint" />
|
||||
</android.support.v7.widget.CardView>
|
||||
Loading…
Reference in New Issue