19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 171d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenpackage android.widget.gridview; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.KeyEvent; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.View; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.ViewGroup; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.BaseAdapter; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.GridView; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.widget.ListAdapter; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 261d3165f10b12165f02b7015ac1a817c5f60e6399Neal Nguyenimport android.util.GridScenario; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A grid with vertical spacing between rows 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class GridDelete extends GridScenario { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void init(Params params) { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project params.setStartingSelectionPosition(-1) 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .setMustFillScreen(false) 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .setNumItems(1001) 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .setNumColumns(4) 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .setItemScreenSizeFactor(0.20) 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .setVerticalSpacing(20); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected ListAdapter createAdapter() { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new DeleteAdapter(getInitialNumItems()); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onKeyDown(int keyCode, KeyEvent event) { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (keyCode == KeyEvent.KEYCODE_DEL) { 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GridView g = getGridView(); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ((DeleteAdapter)g.getAdapter()).deletePosition(g.getSelectedItemPosition()); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return super.onKeyDown(keyCode, event); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class DeleteAdapter extends BaseAdapter { 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<Integer> mData; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public DeleteAdapter(int initialNumItems) { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData = new ArrayList<Integer>(initialNumItems); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (i=0; i<initialNumItems; ++i) { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData.add(new Integer(10000 + i)); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void deletePosition(int selectedItemPosition) { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (selectedItemPosition >=0 && selectedItemPosition < mData.size()) { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mData.remove(selectedItemPosition); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyDataSetChanged(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getCount() { 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mData.size(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getItem(int position) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mData.get(position); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public long getItemId(int position) { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mData.get(position); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public View getView(int position, View convertView, ViewGroup parent) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int desiredHeight = getDesiredItemHeight(); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createView(mData.get(position), parent, desiredHeight); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 109