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      1 /* //device/apps/Notes/NotesList.java
      2 **
      3 ** Copyright 2006, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 package com.android.development;
     18 
     19 import java.util.ArrayList;
     20 
     21 import android.content.Intent;
     22 import android.app.Activity;
     23 import android.database.Cursor;
     24 import android.graphics.Typeface;
     25 import android.widget.LinearLayout;
     26 import android.widget.ScrollView;
     27 import android.os.Bundle;
     28 import android.view.Menu;
     29 import android.view.MenuItem;
     30 import android.view.ViewGroup;
     31 import android.widget.TextView;
     32 
     33 public class Details extends Activity
     34 {
     35     public void onCreate(Bundle icicle)
     36     {
     37         super.onCreate(icicle);
     38 
     39         Intent intent = getIntent();
     40 
     41         String title = intent.getStringExtra("title");
     42         if (title == null) {
     43             title = "Details";
     44         }
     45         setTitle(title);
     46 
     47         mScrollView = new ScrollView(this);
     48         setContentView(mScrollView);
     49         mScrollView.setFocusable(true);
     50 
     51         mData = (ArrayList<ColumnData>)getIntent().getExtra("data");
     52         addDataViews();
     53     }
     54 
     55     public void onResume()
     56     {
     57         super.onResume();
     58     }
     59 
     60     public boolean onCreateOptionsMenu(Menu menu)
     61     {
     62         super.onCreateOptionsMenu(menu);
     63         menu.add(0, 0, 0, "Requery").setOnMenuItemClickListener(mRequery);
     64         menu.add(0, 0, 0, "Print to stdout").setOnMenuItemClickListener(mPrintToStdout);
     65         return true;
     66     }
     67 
     68     void addDataViews()
     69     {
     70         int oldScroll = 0;
     71 
     72         if (mLinearLayout != null) {
     73             mScrollView.removeView(mLinearLayout);
     74         }
     75         mLinearLayout = new LinearLayout(this);
     76         mScrollView.addView(mLinearLayout, new ViewGroup.LayoutParams(
     77                                         ViewGroup.LayoutParams.MATCH_PARENT,
     78                                         ViewGroup.LayoutParams.MATCH_PARENT));
     79         mLinearLayout.setOrientation(LinearLayout.VERTICAL);
     80 
     81         // Here in onStart, we're given data.  We use that because some
     82         // data that we show is transient and can't be retrieved from a url.
     83         // We'll try to use that in requery
     84         int count = mData.size();
     85         for (int i=0; i<count; i++) {
     86             ColumnData cd = mData.get(i);
     87             TextView label = makeView(cd.key, true, 12);
     88             TextView contents = makeView(cd.value, false, 12);
     89             contents.setPadding(3, 0, 0, i==count-1?0:3);
     90             mLinearLayout.addView(label, lazy());
     91             mLinearLayout.addView(contents, lazy());
     92         }
     93     }
     94 
     95     TextView makeView(String str, boolean bold, int fontSize)
     96     {
     97         if (str == null) {
     98             str = "(null)";
     99         }
    100         TextView v = new TextView(this);
    101         v.setText(str);
    102         v.setTextSize(fontSize);
    103         if (bold) {
    104             v.setTypeface(Typeface.DEFAULT_BOLD);
    105         }
    106         return v;
    107     }
    108 
    109     LinearLayout.LayoutParams lazy()
    110     {
    111         return new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
    112                                  ViewGroup.LayoutParams.WRAP_CONTENT, 0);
    113     }
    114 
    115     MenuItem.OnMenuItemClickListener mRequery = new MenuItem.OnMenuItemClickListener() {
    116         public boolean onMenuItemClick(MenuItem item) {
    117             Intent intent = getIntent();
    118             Cursor c = getContentResolver().query(intent.getData(), null, null, null, null);
    119             if (c != null && c.moveToNext()) {
    120                 mData.clear();
    121                 String[] columnNames = c.getColumnNames();
    122                 for (int i=0; i<columnNames.length; i++) {
    123                     String str = c.getString(i);
    124                     ColumnData cd = new ColumnData(columnNames[i], str);
    125                     mData.add(cd);
    126                 }
    127                 addDataViews();
    128             } else {
    129                 TextView error = new TextView(Details.this);
    130                 error.setText("Showing old data.\nURL couldn't be requeried:\n"
    131                         + intent.getData());
    132                 error.setTextColor(0xffff0000);
    133                 error.setTextSize(11);
    134                 mLinearLayout.addView(error, 0, lazy());
    135             }
    136             return true;
    137         }
    138     };
    139 
    140     MenuItem.OnMenuItemClickListener mPrintToStdout = new MenuItem.OnMenuItemClickListener() {
    141         public boolean onMenuItemClick(MenuItem item) {
    142             System.out.println("=== begin data ===");
    143             int count = mData.size();
    144             for (int i=0; i<count; i++) {
    145                 ColumnData cd = mData.get(i);
    146                 System.out.println("  " + cd.key + ": " + cd.value);
    147             }
    148             System.out.println("=== end data ===");
    149             return true;
    150         }
    151     };
    152 
    153     LinearLayout mLinearLayout;
    154     ScrollView mScrollView;
    155     ArrayList<ColumnData> mData;
    156 }
    157