public void onDragOver(DragObject d) {
final DragView dragView = d.dragView;
final int scrollOffset = mScrollView.getScrollY();
final float[] r = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, dragView, null);
r[0] -= getPaddingLeft();
r[1] -= getPaddingTop();
final long downTime = SystemClock.uptimeMillis();
final MotionEvent translatedEv =
MotionEvent.obtain(downTime, downTime, MotionEvent.ACTION_MOVE, d.x, d.y, 0);
if (!mAutoScrollHelper.isEnabled()) {
mAutoScrollHelper.setEnabled(true);
}
final boolean handled = mAutoScrollHelper.onTouch(this, translatedEv);
translatedEv.recycle();
if (handled) {
mReorderAlarm.cancelAlarm();
} else {
mTargetCell =
mContent.findNearestArea((int) r[0], (int) r[1] + scrollOffset, 1, 1, mTargetCell);
if (isLayoutRtl()) {
mTargetCell[0] = mContent.getCountX() - mTargetCell[0] - 1;
}
if (mTargetCell[0] != mPreviousTargetCell[0] || mTargetCell[1] != mPreviousTargetCell[1]) {
mReorderAlarm.cancelAlarm();
mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
mReorderAlarm.setAlarm(REORDER_DELAY);
mPreviousTargetCell[0] = mTargetCell[0];
mPreviousTargetCell[1] = mTargetCell[1];
}
}
}
/*
* 拖动结束
*/
public void onDragOver(DragObject d) {
float[] r = getDragViewVisualCenter(d.x, d.y, d.xOffset, d.yOffset, d.dragView, null);
mTargetCell = mContent.findNearestArea((int) r[0], (int) r[1], 1, 1, mTargetCell);
if (mTargetCell[0] != mPreviousTargetCell[0] || mTargetCell[1] != mPreviousTargetCell[1]) {
mReorderAlarm.cancelAlarm();
mReorderAlarm.setOnAlarmListener(mReorderAlarmListener);
mReorderAlarm.setAlarm(150);
mPreviousTargetCell[0] = mTargetCell[0];
mPreviousTargetCell[1] = mTargetCell[1];
}
}
// On touch Event.
@Override
public boolean onTouchEvent(MotionEvent event) {
final int iAction = event.getAction();
final int iCurrentx = (int) event.getX();
final int iCurrenty = (int) event.getY();
switch (iAction) {
case MotionEvent.ACTION_DOWN:
Log.e(TAG, "ACTION_DOWN");
mState = STATE_MOVE;
mPreviousx = iCurrentx;
mPreviousy = iCurrenty;
mPreviousBox = viewBox.whichBox(this);
Main.boxList[mPreviousBox] = false;
break;
case MotionEvent.ACTION_MOVE:
Log.e(TAG, "ACTION_MOVE");
mState = STATE_MOVE;
int iDeltx = iCurrentx - mPreviousx;
int iDelty = iCurrenty - mPreviousy;
final int iLeft = getLeft();
final int iTop = getTop();
layout(
iLeft + iDeltx,
iTop + iDelty,
iLeft + iDeltx + getWidth(),
iTop + iDelty + getHeight());
// dragController.startDrag(this);
mPreviousx = iCurrentx - iDeltx;
mPreviousy = iCurrenty - iDelty;
break;
case MotionEvent.ACTION_UP:
Log.e(TAG, "ACTION_UP");
int iDeltx1 = iCurrentx - mPreviousx;
int iDelty1 = iCurrenty - mPreviousy;
mCurBox = viewBox.whichBox(this);
final int iLeft1 = viewBox.getLeft(mCurBox);
final int iTop1 = viewBox.getTop(mCurBox);
layout(
iLeft1 + iDeltx1,
iTop1 + iDelty1,
iLeft1 + iDeltx1 + getWidth(),
iTop1 + iDelty1 + getHeight());
mCellLayout.findNearestArea(160, 160, 1, 1, null);
mCellLayout.findNearestArea(200, 200, 1, 1, null);
mCellLayout.findNearestArea(160, 160, 2, 1, null);
mPreviousx = iCurrentx - iDeltx1;
mPreviousy = iCurrenty - iDelty1;
Main.boxList[mCurBox] = true;
mState = STATE_STOP;
break;
case MotionEvent.ACTION_CANCEL:
Log.e(TAG, "ACTION_CANCEL");
mState = STATE_STOP;
break;
}
return true;
}