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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
     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
     80     public int getCount() {
     81       return mHints.length;
     82     }
     83 
     84     @Override
     85     public Object getItem(int position) {
     86       return mValues[position];
     87     }
     88 
     89     @Override
     90     public long getItemId(int position) {
     91       return position;
     92     }
     93 
     94     @Override
     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 
    117     public ValueWatcher(int position) {
    118       mPosition = position;
    119     }
    120 
    121     @Override
    122     public void afterTextChanged(Editable e) {
    123     }
    124 
    125     @Override
    126     public void beforeTextChanged(CharSequence s, int start, int before, int count) {
    127     }
    128 
    129     @Override
    130     public void onTextChanged(CharSequence s, int start, int before, int count) {
    131       mValues[mPosition] = s.toString();
    132     }
    133   }
    134 }
    135