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@@ -4,6 +4,7 @@ import com.usai.apex.CustomizeFieldsActivity.DragListAdapter;
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import com.usai.apex.CustomizeFieldsActivity.fieldedit;
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import android.content.Context;
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+import android.content.Intent;
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import android.graphics.Bitmap;
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import android.graphics.PixelFormat;
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import android.util.AttributeSet;
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@@ -20,180 +21,264 @@ import android.widget.Toast;
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public class DragListView extends ListView
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{
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-
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- private ImageView dragImageView;//被拖拽的项，其实就是一个ImageView
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- private int dragSrcPosition;//手指拖动项原始在列表中的位置
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- private int dragPosition;//手指拖动的时候，当前拖动项在列表中的位置
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-
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- private int dragPoint;//在当前数据项中的位置
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- private int dragOffset;//当前视图和屏幕的距离(这里只使用了y方向上)
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-
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- private WindowManager windowManager;//windows窗口控制类
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- private WindowManager.LayoutParams windowParams;//用于控制拖拽项的显示的参数
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-
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- private int scaledTouchSlop;//判断滑动的一个距离
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- private int upScrollBounce;//拖动的时候，开始向上滚动的边界
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- private int downScrollBounce;//拖动的时候，开始向下滚动的边界
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-
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- public DragListView(Context context, AttributeSet attrs) {
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- super(context, attrs);
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- scaledTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
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- }
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-
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- //拦截touch事件，其实就是加一层控制
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- @Override
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- public boolean onInterceptTouchEvent(MotionEvent ev) {
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- if(ev.getAction()==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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-
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- dragSrcPosition = dragPosition = pointToPosition(x, y);
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- if(dragPosition==AdapterView.INVALID_POSITION){
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- return super.onInterceptTouchEvent(ev);
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- }
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-
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- ViewGroup itemView = (ViewGroup) getChildAt(dragPosition-getFirstVisiblePosition());
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- dragPoint = y - itemView.getTop();
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- dragOffset = (int) (ev.getRawY() - y);
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-
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- View dragger = itemView.findViewById(R.id.drag_list_item_image);
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- if(dragger!=null&&x>dragger.getLeft()-20){
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- //
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- upScrollBounce = Math.min(y-scaledTouchSlop, getHeight()/3);
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- downScrollBounce = Math.max(y+scaledTouchSlop, getHeight()*2/3);
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-
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- itemView.setDrawingCacheEnabled(true);
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- Bitmap bm = Bitmap.createBitmap(itemView.getDrawingCache());
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- startDrag(bm, y);
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- }
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- return false;
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- }
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- return super.onInterceptTouchEvent(ev);
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- }
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-
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- /**
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- * 触摸事件
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- */
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- @Override
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- public boolean onTouchEvent(MotionEvent ev) {
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- if(dragImageView!=null&&dragPosition!=INVALID_POSITION){
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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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- int upY = (int)ev.getY();
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- stopDrag();
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- onDrop(upY);
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- break;
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- case MotionEvent.ACTION_MOVE:
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- int moveY = (int)ev.getY();
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- onDrag(moveY);
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- break;
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- default:break;
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- }
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- return true;
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- }
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- //也决定了选中的效果
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- return super.onTouchEvent(ev);
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- }
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-
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- /**
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- * 准备拖动，初始化拖动项的图像
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- * @param bm
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- * @param y
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- */
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- public void startDrag(Bitmap bm ,int y){
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- stopDrag();
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-
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- windowParams = new WindowManager.LayoutParams();
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- windowParams.gravity = Gravity.TOP;
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- windowParams.x = 0;
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- windowParams.y = y - dragPoint + dragOffset;
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- windowParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
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- windowParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
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- windowParams.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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- windowParams.format = PixelFormat.TRANSLUCENT;
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- windowParams.windowAnimations = 0;
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-
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- ImageView imageView = new ImageView(getContext());
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- imageView.setImageBitmap(bm);
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- windowManager = (WindowManager)getContext().getSystemService("window");
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- windowManager.addView(imageView, windowParams);
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- dragImageView = imageView;
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- }
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-
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- /**
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- * 停止拖动，去除拖动项的头像
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- */
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- public void stopDrag(){
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- if(dragImageView!=null){
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- windowManager.removeView(dragImageView);
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- dragImageView = null;
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- }
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- }
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-
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- /**
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- * 拖动执行，在Move方法中执行
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- * @param y
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- */
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- public void onDrag(int y){
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- if(dragImageView!=null){
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- windowParams.alpha = 0.8f;
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- windowParams.y = y - dragPoint + dragOffset;
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- windowManager.updateViewLayout(dragImageView, windowParams);
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- }
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- //为了避免滑动到分割线的时候，返回-1的问题
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- int tempPosition = pointToPosition(0, y);
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- if(tempPosition!=INVALID_POSITION){
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- dragPosition = tempPosition;
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- }
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-
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- //滚动
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- int scrollHeight = 0;
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- if(y<upScrollBounce){
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- scrollHeight = 8;//定义向上滚动8个像素，如果可以向上滚动的话
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- }else if(y>downScrollBounce){
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- scrollHeight = -8;//定义向下滚动8个像素，，如果可以向上滚动的话
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- }
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-
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- if(scrollHeight!=0){
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- //真正滚动的方法setSelectionFromTop()
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- setSelectionFromTop(dragPosition, getChildAt(dragPosition-getFirstVisiblePosition()).getTop()+scrollHeight);
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- }
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- }
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-
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- /**
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- * 拖动放下的时候
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- * @param y
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- */
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- public void onDrop(int y){
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-
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- //为了避免滑动到分割线的时候，返回-1的问题
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- int tempPosition = pointToPosition(0, y);
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- if(tempPosition!=INVALID_POSITION){
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- dragPosition = tempPosition;
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- }
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-
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- //超出边界处理
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- if(y<getChildAt(1).getTop()){
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- //超出上边界
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- dragPosition = 1;
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- }else if(y>getChildAt(getChildCount()-1).getBottom()){
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- //超出下边界
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- dragPosition = getAdapter().getCount()-1;
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- }
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-
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- //数据交换
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- if(dragPosition>0&&dragPosition<getAdapter().getCount()){
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- /* @SuppressWarnings("unchecked") */
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- DragListAdapter adapter = (DragListAdapter)getAdapter();
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- fieldedit dragItem = adapter.getItem(dragSrcPosition);
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- adapter.remove(dragItem);
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- adapter.insert(dragItem, dragPosition);
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-// Toast.makeText(getContext(), adapter.getList().toString(), Toast.LENGTH_SHORT).show();
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- }
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-
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- }
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+
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+ private ImageView dragImageView;// 被拖拽的项，其实就是一个ImageView
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+ private int dragSrcPosition;// 手指拖动项原始在列表中的位置
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+ private int dragPosition;// 手指拖动的时候，当前拖动项在列表中的位置
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+
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+ private int dragPoint;// 在当前数据项中的位置
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+ private int dragOffset;// 当前视图和屏幕的距离(这里只使用了y方向上)
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+
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+ private WindowManager windowManager;// windows窗口控制类
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+ private WindowManager.LayoutParams windowParams;// 用于控制拖拽项的显示的参数
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+
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+ private int scaledTouchSlop;// 判断滑动的一个距离
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+ private int upScrollBounce;// 拖动的时候，开始向上滚动的边界
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+ private int downScrollBounce;// 拖动的时候，开始向下滚动的边界
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+
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+ public DragListView(Context context, AttributeSet attrs)
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+ {
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+ super(context, attrs);
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+ scaledTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop();
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+
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+ this.setOnItemClickListener(mItemClickListenter);
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+ }
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+
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+ private int lastClickId = -1;
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+ private long lastClickTime;
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+ private OnItemClickListener mItemClickListenter = new OnItemClickListener()
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+ {
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+ public void onItemClick(AdapterView<?> parent, View v, int pos, long id)
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+ {
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+ DragListAdapter adapter = (DragListAdapter) ((ListView) parent)
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+ .getAdapter();
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+
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+ if (adapter.isEnabled(pos) == false)// return if item is a group key
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+ return;
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+ fieldedit dclickitem = (fieldedit) ((ListView) parent).getAdapter()
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+ .getItem(pos);
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+
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+ // 如果是双击,1秒内连续点击判断为双击
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+ if (dclickitem._id == lastClickId
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+ && (Math.abs(lastClickTime - System.currentTimeMillis()) < 1000))
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+ {
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+ lastClickId = -1;
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+ lastClickTime = 0;
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+ if (pos < adapter.switchpos())
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+ {
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+ adapter.remove(dclickitem);
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+ adapter.insert(dclickitem, adapter.getCount());
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+ }
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+ else
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+ {
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+ adapter.remove(dclickitem);
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+ adapter.insert(dclickitem, 1);
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+
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+ }
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+ // Intent intent = new Intent();
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+ // intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
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+ // intent.putExtra("matchId", mv.getId());
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+ // intent.putExtra("matchKey", mv.getMatchKey());
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+ // intent.setClass(SenseSoccerScoreActivity.this,
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+ // MatchEventActivity.class);
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+ // startActivity(intent);
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+ }
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+ else
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+ {
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+ lastClickId = dclickitem._id;
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+ lastClickTime = System.currentTimeMillis();
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+ }
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+ }
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+ };
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+
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+ // 拦截touch事件，其实就是加一层控制
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+ @Override
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+ public boolean onInterceptTouchEvent(MotionEvent ev)
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+ {
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+ if (ev.getAction() == MotionEvent.ACTION_DOWN)
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+ {
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+ int x = (int) ev.getX();
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+ int y = (int) ev.getY();
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+
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+ dragSrcPosition = dragPosition = pointToPosition(x, y);
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+ if (dragPosition == AdapterView.INVALID_POSITION)
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+ {
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+ return super.onInterceptTouchEvent(ev);
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+ }
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+
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+ ViewGroup itemView = (ViewGroup) getChildAt(dragPosition
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+ - getFirstVisiblePosition());
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+ dragPoint = y - itemView.getTop();
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+ dragOffset = (int) (ev.getRawY() - y);
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+
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+ View dragger = itemView.findViewById(R.id.drag_list_item_image);
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+ if (dragger != null && x > dragger.getLeft() - 20)
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+ {
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+ //
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+ upScrollBounce = Math.min(y - scaledTouchSlop, getHeight() / 3);
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+ downScrollBounce = Math.max(y + scaledTouchSlop,
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+ getHeight() * 2 / 3);
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+
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+ itemView.setDrawingCacheEnabled(true);
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+ Bitmap bm = Bitmap.createBitmap(itemView.getDrawingCache());
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+ startDrag(bm, y);
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+ }
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+ return false;
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+ }
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+ return super.onInterceptTouchEvent(ev);
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+ }
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+
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+ /**
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+ * 触摸事件
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+ */
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+ @Override
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+ public boolean onTouchEvent(MotionEvent ev)
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+ {
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+ if (dragImageView != null && dragPosition != INVALID_POSITION)
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+ {
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+ int action = ev.getAction();
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+ switch (action)
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+ {
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+ case MotionEvent.ACTION_UP:
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+ int upY = (int) ev.getY();
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+ stopDrag();
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+ onDrop(upY);
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+ break;
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+ case MotionEvent.ACTION_MOVE:
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+ int moveY = (int) ev.getY();
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+ onDrag(moveY);
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+ break;
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+ default:
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+ break;
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+ }
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+ return true;
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+ }
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+ // 也决定了选中的效果
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+ return super.onTouchEvent(ev);
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+ }
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+
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+ /**
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+ * 准备拖动，初始化拖动项的图像
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+ *
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+ * @param bm
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+ * @param y
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+ */
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+ public void startDrag(Bitmap bm, int y)
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+ {
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+ stopDrag();
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+
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+ windowParams = new WindowManager.LayoutParams();
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+ windowParams.gravity = Gravity.TOP;
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+ windowParams.x = 0;
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+ windowParams.y = y - dragPoint + dragOffset;
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+ windowParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
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+ windowParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
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+ windowParams.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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+ windowParams.format = PixelFormat.TRANSLUCENT;
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+ windowParams.windowAnimations = 0;
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+
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+ ImageView imageView = new ImageView(getContext());
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+ imageView.setImageBitmap(bm);
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+ windowManager = (WindowManager) getContext().getSystemService("window");
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+ windowManager.addView(imageView, windowParams);
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+ dragImageView = imageView;
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+ }
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+
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+ /**
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+ * 停止拖动，去除拖动项的头像
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+ */
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+ public void stopDrag()
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+ {
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+ if (dragImageView != null)
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+ {
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+ windowManager.removeView(dragImageView);
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+ dragImageView = null;
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+ }
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+ }
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+
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+ /**
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+ * 拖动执行，在Move方法中执行
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+ *
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+ * @param y
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+ */
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+ public void onDrag(int y)
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+ {
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+ if (dragImageView != null)
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+ {
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+ windowParams.alpha = 0.8f;
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+ windowParams.y = y - dragPoint + dragOffset;
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+ windowManager.updateViewLayout(dragImageView, windowParams);
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+ }
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+ // 为了避免滑动到分割线的时候，返回-1的问题
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+ int tempPosition = pointToPosition(0, y);
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+ if (tempPosition != INVALID_POSITION)
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+ {
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+ dragPosition = tempPosition;
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+ }
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+
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+ // 滚动
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+ int scrollHeight = 0;
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+ if (y < upScrollBounce)
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+ {
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+ scrollHeight = 8;// 定义向上滚动8个像素，如果可以向上滚动的话
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+ }
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+ else
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+ if (y > downScrollBounce)
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+ {
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+ scrollHeight = -8;// 定义向下滚动8个像素，，如果可以向上滚动的话
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+ }
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+
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+ if (scrollHeight != 0)
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+ {
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+ // 真正滚动的方法setSelectionFromTop()
|
|
|
+ setSelectionFromTop(dragPosition,
|
|
|
+ getChildAt(dragPosition - getFirstVisiblePosition())
|
|
|
+ .getTop() + scrollHeight);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 拖动放下的时候
|
|
|
+ *
|
|
|
+ * @param y
|
|
|
+ */
|
|
|
+ public void onDrop(int y)
|
|
|
+ {
|
|
|
+
|
|
|
+ // 为了避免滑动到分割线的时候，返回-1的问题
|
|
|
+ int tempPosition = pointToPosition(0, y);
|
|
|
+ if (tempPosition != INVALID_POSITION)
|
|
|
+ {
|
|
|
+ dragPosition = tempPosition;
|
|
|
+ }
|
|
|
+
|
|
|
+ // 超出边界处理
|
|
|
+ if (y < getChildAt(1).getTop())
|
|
|
+ {
|
|
|
+ // 超出上边界
|
|
|
+ dragPosition = 1;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ if (y > getChildAt(getChildCount() - 1).getBottom())
|
|
|
+ {
|
|
|
+ // 超出下边界
|
|
|
+ dragPosition = getAdapter().getCount() - 1;
|
|
|
+ }
|
|
|
+
|
|
|
+ // 数据交换
|
|
|
+ if (dragPosition > 0 && dragPosition < getAdapter().getCount())
|
|
|
+ {
|
|
|
+ /* @SuppressWarnings("unchecked") */
|
|
|
+ DragListAdapter adapter = (DragListAdapter) getAdapter();
|
|
|
+ fieldedit dragItem = adapter.getItem(dragSrcPosition);
|
|
|
+ adapter.remove(dragItem);
|
|
|
+ adapter.insert(dragItem, dragPosition);
|
|
|
+ // Toast.makeText(getContext(), adapter.getList().toString(),
|
|
|
+ // Toast.LENGTH_SHORT).show();
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
}
|
