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1 /*
2  * Copyright (C) 2016 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 
17 package com.googlecode.android_scripting.activity;
18 
19 import android.app.Activity;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.os.Bundle;
23 import android.text.Editable;
24 import android.text.TextWatcher;
25 import android.view.LayoutInflater;
26 import android.view.View;
27 import android.view.ViewGroup;
28 import android.view.View.OnClickListener;
29 import android.widget.BaseAdapter;
30 import android.widget.Button;
31 import android.widget.EditText;
32 import android.widget.ListView;
33 import android.widget.TextView;
34 
35 import com.googlecode.android_scripting.Constants;
36 import com.googlecode.android_scripting.R;
37 import com.googlecode.android_scripting.facade.FacadeConfiguration;
38 import com.googlecode.android_scripting.rpc.MethodDescriptor;
39 
40 /**
41  * Prompts for API parameters.
42  *
43  * <p>
44  * This activity is started by {@link ApiBrowser} to prompt user for RPC call parameters.
45  * Input/output interface is RPC name and explicit parameter values.
46  *
47  */
48 public class ApiPrompt extends Activity {
49   private MethodDescriptor mRpc;
50   private String[] mHints;
51   private String[] mValues;
52   private ApiPromptAdapter mAdapter;
53 
54   @Override
onCreate(Bundle savedInstanceState)55   public void onCreate(Bundle savedInstanceState) {
56     super.onCreate(savedInstanceState);
57     setContentView(R.layout.api_prompt);
58     mRpc =
59         FacadeConfiguration.getMethodDescriptor(getIntent().getStringExtra(
60             Constants.EXTRA_API_PROMPT_RPC_NAME));
61     mHints = mRpc.getParameterHints();
62     mValues = getIntent().getStringArrayExtra(Constants.EXTRA_API_PROMPT_VALUES);
63     mAdapter = new ApiPromptAdapter();
64     ((ListView) findViewById(R.id.list)).setAdapter(mAdapter);
65     ((Button) findViewById(R.id.done)).setOnClickListener(new OnClickListener() {
66       @Override
67       public void onClick(View v) {
68         Intent intent = new Intent();
69         intent.putExtra(Constants.EXTRA_API_PROMPT_RPC_NAME, mRpc.getName());
70         intent.putExtra(Constants.EXTRA_API_PROMPT_VALUES, mValues);
71         setResult(RESULT_OK, intent);
72         finish();
73       }
74     });
75     setResult(RESULT_CANCELED);
76   }
77 
78   private class ApiPromptAdapter extends BaseAdapter {
79     @Override
getCount()80     public int getCount() {
81       return mHints.length;
82     }
83 
84     @Override
getItem(int position)85     public Object getItem(int position) {
86       return mValues[position];
87     }
88 
89     @Override
getItemId(int position)90     public long getItemId(int position) {
91       return position;
92     }
93 
94     @Override
getView(int position, View convertView, ViewGroup parent)95     public View getView(int position, View convertView, ViewGroup parent) {
96       View item;
97       if (convertView == null) {
98         LayoutInflater inflater =
99             (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
100         item =
101             inflater.inflate(R.layout.api_prompt_item, parent, false /* do not attach to root */);
102       } else {
103         item = convertView;
104       }
105       TextView description = (TextView) item.findViewById(R.id.api_prompt_item_description);
106       EditText value = (EditText) item.findViewById(R.id.api_prompt_item_value);
107       description.setText(mHints[position]);
108       value.setText(mValues[position]);
109       value.addTextChangedListener(new ValueWatcher(position));
110       return item;
111     }
112   }
113 
114   private class ValueWatcher implements TextWatcher {
115     private final int mPosition;
116 
ValueWatcher(int position)117     public ValueWatcher(int position) {
118       mPosition = position;
119     }
120 
121     @Override
afterTextChanged(Editable e)122     public void afterTextChanged(Editable e) {
123     }
124 
125     @Override
beforeTextChanged(CharSequence s, int start, int before, int count)126     public void beforeTextChanged(CharSequence s, int start, int before, int count) {
127     }
128 
129     @Override
onTextChanged(CharSequence s, int start, int before, int count)130     public void onTextChanged(CharSequence s, int start, int before, int count) {
131       mValues[mPosition] = s.toString();
132     }
133   }
134 }
135