Back to project page AndroidTouchEditableListView.
The source code is released under:
Copyright (c) 2014 Serge Desmedt Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Soft...
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package be.trojkasoftware.android.obsolete; //from w w w . j a va2 s . c om import java.util.ArrayList; import be.trojkasoftware.android.toucheditablelistview.TouchEditableItemView; import be.trojkasoftware.android.toucheditablelistview.TouchEditableStateManager; import android.content.Context; import android.database.DataSetObserver; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Rect; import android.graphics.drawable.Drawable; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.BaseAdapter; import android.widget.Checkable; import android.widget.ListAdapter; import android.widget.ListView; public class TouchEditableListView10 extends ListView { private static final String TAG = "TouchEditableListView"; public TouchEditableListView10(Context context) { super(context); this.setClipChildren(false); this.setClipToPadding(false); } private class AdapterWrapper extends BaseAdapter { private ListAdapter mAdapter; public AdapterWrapper(ListAdapter adapter) { super(); mAdapter = adapter; mAdapter.registerDataSetObserver(new DataSetObserver() { public void onChanged() { notifyDataSetChanged(); } public void onInvalidated() { notifyDataSetInvalidated(); } }); } public ListAdapter getAdapter() { return mAdapter; } @Override public long getItemId(int position) { return mAdapter.getItemId(position); } @Override public Object getItem(int position) { return mAdapter.getItem(position); } @Override public int getCount() { return mAdapter.getCount(); } @Override public boolean areAllItemsEnabled() { return mAdapter.areAllItemsEnabled(); } @Override public boolean isEnabled(int position) { return mAdapter.isEnabled(position); } @Override public int getItemViewType(int position) { return mAdapter.getItemViewType(position); } @Override public int getViewTypeCount() { return mAdapter.getViewTypeCount(); } @Override public boolean hasStableIds() { return mAdapter.hasStableIds(); } @Override public boolean isEmpty() { return mAdapter.isEmpty(); } @Override public View getView(int position, View convertView, ViewGroup parent) { // Log.i(TAG, "AdapterWrapper.getView[Indx:" + position + "]"); TouchEditableItemView v; View child; if (convertView != null) { v = (TouchEditableItemView) convertView; View oldChild = v.getChildAt(0); child = mAdapter.getView(position, oldChild, TouchEditableListView10.this); if (child != oldChild) { if (oldChild != null) { v.removeViewAt(0); } if(child != null) { v.addView(child); } } } else { child = mAdapter.getView(position, null, TouchEditableListView10.this); v = new TouchEditableItemView(getContext(), 0); v.setLayoutParams(new AbsListView.LayoutParams( ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)); v.addView(child); } //TouchEditableListView10.this.mStateManager.AdjustItem(position, v); return v; } } @Override public void setAdapter(ListAdapter adapter) { if (adapter != null) { mAdapterWrapper = new AdapterWrapper(adapter); // adapter.registerDataSetObserver(mObserver); // if (adapter instanceof DropListener) { // setDropListener((DropListener) adapter); // } // if (adapter instanceof DragListener) { // setDragListener((DragListener) adapter); // } // if (adapter instanceof RemoveListener) { // setRemoveListener((RemoveListener) adapter); // } } else { mAdapterWrapper = null; } super.setAdapter(mAdapterWrapper); } @Override public boolean onTouchEvent(MotionEvent ev) { int action = ev.getActionMasked(); if(!mIsTouched) { if(action == MotionEvent.ACTION_UP) { Log.i(TAG, "onTouchEvent.ACTION_UP"); mIsTouched = true; } Log.i(TAG, "onTouchEvent super()"); return super.onTouchEvent(ev); } return mStateManager.onTouchEvent(ev); // // if (action == MotionEvent.ACTION_UP) { //// if (getParent() != null) { //// // Defer all calls to the onTouchEvent handler //// getParent().requestDisallowInterceptTouchEvent(false); //// } // // mState = STATE_NORMAL; // // View v = getChildAt(mTopItemPosition - this.getFirstVisiblePosition()); // if(v != null) // { // AdjustItem(mTopItemPosition, v); // requestLayout(); // } // // invalidateViews(); // // setSelectionFromTop(mTouchPosition, mV0TopY); // // Log.i(TAG, "onTouchEvent.ACTION_UP"); // } // if (action == MotionEvent.ACTION_DOWN) { // //mLastDownX = (int) ev.getX(); // //mLastDownY = (int) ev.getY(); // // //mTouchDownPos = this.pointToPosition((int) ev.getX(), mLastDownY); // // //if (getParent() != null) { // // getParent().requestDisallowInterceptTouchEvent(true); // //} // //Log.i(TAG, "onTouchEvent.ACTION_DOWN[TouchDownPos" + mTouchDownPos + "]["+mLastDownY+"]"); // } // if (action == MotionEvent.ACTION_MOVE) { // // //int x= (int) ev.getX(); // int y = (int) ev.getY(); // // // //int scrollByY = mLastMoveY - y; // mLastMoveY = y; // // int scrollByY = mV0TopY + y - mLastDownY; // setSelectionFromTop(mTouchPosition, scrollByY); // Log.i(TAG, "onTouchEvent.ACTION_MOVE.SetSelectionFromTop V0TopY["+mV0TopY+"]Y["+y+"]LastDownY["+mLastDownY+"][ScrollByY:"+scrollByY+"]"); // // //View v = getChildAt(mTopItemPosition); // View v = getChildAt(mTopItemPosition - this.getFirstVisiblePosition()); // if(v != null) // { // Log.i(TAG, "onTouchEvent.ACTION_MOVE.AdjustItem[TopItemPosition:"+mTopItemPosition+"]"); // AdjustItem(mTopItemPosition, v); // requestLayout(); // } // else // { // Log.i(TAG, "onTouchEvent.ACTION_MOVE.GetChildAt[TopItemPosition:"+mTopItemPosition+"] is NULL"); // } // // // } // // return true; } // @Override // protected void layoutChildren() // { // Log.i(TAG, "layoutChildren.START"); // super.layoutChildren(); // Log.i(TAG, "layoutChildren.END"); // } @Override public boolean onInterceptTouchEvent(MotionEvent ev) { int action = ev.getActionMasked(); // if (action == MotionEvent.ACTION_DOWN) // { // mTouchDownPos = this.pointToPosition((int)ev.getX(), (int) ev.getY()); // mTouchDownIndx = (int)this.pointToRowId((int)ev.getX(), (int) ev.getY()); // Log.i(TAG, "onInterceptTouchEvent.ACTION_DOWN: TouchDownPos[" + mTouchDownPos + "]TouchDownIndx[" + mTouchDownIndx + "]"); // } // // return super.onInterceptTouchEvent(ev); if(!mIsTouched) { if(action == MotionEvent.ACTION_UP) { Log.i(TAG, "onInterceptTouchEvent.ACTION_UP"); mIsTouched = true; } Log.i(TAG, "onInterceptTouchEvent super()"); return super.onInterceptTouchEvent(ev); } // if (action == MotionEvent.ACTION_DOWN) { // //mLastDownX = (int) ev.getX(); // mLastDownY = (int) ev.getY(); // // mLastMoveY = mLastDownY; // // mTouchPosition = this.pointToPosition((int)ev.getX(), mLastDownY); // //mFirstVisiblePosition = this.getFirstVisiblePosition(); // // mTopItemPosition = mTouchPosition;// - this.getFirstVisiblePosition(); // mBottomItemPosition = mTopItemPosition + 1; // //// mBottomItemPosition = touchDownPos - mFirstVisiblePosition; //// mTopItemPosition = mBottomItemPosition - 1; // // View v = getChildAt(mTopItemPosition - this.getFirstVisiblePosition()); // mV0TopY = v.getTop(); // //View v0 = getChildAt(0); // //mV0TopY = v0.getTop(); // mOriginalTouchDownPosHeight = v.getMeasuredHeight(); // //Log.i(TAG, "onInterceptTouchEvent.ACTION_DOWN: FirstVisiblePosition[" + mFirstVisiblePosition + "]ViewFVPTopY[" + mV0TopY + "]TopItemPosition[" + mTopItemPosition + "]LastDownY[" + mLastDownY + "]"); // // mState = STATE_INSERT; // //// if (getParent() != null) { //// // Defer all calls to the onTouchEvent handler //// getParent().requestDisallowInterceptTouchEvent(true); //// } // } Log.i(TAG, "onInterceptTouchEvent.StateManager"); return mStateManager.onInterceptTouchEvent(ev); } // @Override // protected void dispatchDraw(Canvas canvas) { // Log.i(TAG, "dispatchDraw"); // // this.setClipChildren(false); // this.setClipToPadding(false); // // super.dispatchDraw(canvas); // } // private void AdjustItem(int position, View v) // { // ViewGroup.LayoutParams lp = v.getLayoutParams(); // if(mState == STATE_NORMAL) // { // // we have no offset, draw everything as normal // Log.i(TAG, "AdjustItem[OffsetY:ZERO][Indx:" + position + "][SetHeight:WRAP_CONTENT]"); // lp.height = ViewGroup.LayoutParams.WRAP_CONTENT; // return; // } // // if(position == mTopItemPosition) // { // // the touched item will stretch // lp.height = mOriginalTouchDownPosHeight + Math.abs(mLastDownY - mLastMoveY); // Log.i(TAG, "AdjustItem[Indx:"+position+"][StretchHeight:" + lp.height + "][MeasuredHeight"+v.getMeasuredHeight()+"]"); // } // else // { // // everything else remains as is // lp.height = ViewGroup.LayoutParams.WRAP_CONTENT; // Log.i(TAG, "AdjustItem[Indx:" + position + "][SetHeight:WRAP_CONTENT]"); // } // v.setLayoutParams(lp); // } private AdapterWrapper mAdapterWrapper; private TouchEditableStateManager mStateManager; private boolean mIsTouched = false; // private int mOriginalTouchDownPosHeight; // // private int mLastDownY; // private int mLastMoveY; // // private int mHeightOfInsertedItem = 30; // // private int mTouchPosition = 0; // private int mV0TopY = 0; // //// private int mTopItemPosition = 0; //// private int mBottomItemPosition = 0; // // private final int STATE_NORMAL = 0; // private final int STATE_INSERT = 1; // // private int mState = STATE_NORMAL; }