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      1 /*
      2  * Copyright (C) 2013 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of 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,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.gallery3d.filtershow.controller;
     18 
     19 import android.content.Context;
     20 import android.util.Log;
     21 import android.view.LayoutInflater;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.widget.SeekBar;
     25 import android.widget.SeekBar.OnSeekBarChangeListener;
     26 import android.widget.TextView;
     27 
     28 import com.android.gallery3d.R;
     29 import com.android.gallery3d.filtershow.editors.Editor;
     30 
     31 public class TitledSlider implements Control {
     32     private final String LOGTAG = "ParametricEditor";
     33     private SeekBar mSeekBar;
     34     private TextView mControlName;
     35     private TextView mControlValue;
     36     protected ParameterInteger mParameter;
     37     Editor mEditor;
     38     View mTopView;
     39     protected int mLayoutID = R.layout.filtershow_control_title_slider;
     40 
     41     @Override
     42     public void setUp(ViewGroup container, Parameter parameter, Editor editor) {
     43         container.removeAllViews();
     44         mEditor = editor;
     45         Context context = container.getContext();
     46         mParameter = (ParameterInteger) parameter;
     47         LayoutInflater inflater =
     48                 (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
     49         mTopView = inflater.inflate(mLayoutID, container, true);
     50         mTopView.setVisibility(View.VISIBLE);
     51         mSeekBar = (SeekBar) mTopView.findViewById(R.id.controlValueSeekBar);
     52         mControlName = (TextView) mTopView.findViewById(R.id.controlName);
     53         mControlValue = (TextView) mTopView.findViewById(R.id.controlValue);
     54         updateUI();
     55         mSeekBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
     56 
     57             @Override
     58             public void onStopTrackingTouch(SeekBar seekBar) {
     59             }
     60 
     61             @Override
     62             public void onStartTrackingTouch(SeekBar seekBar) {
     63             }
     64 
     65             @Override
     66             public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
     67                 if (mParameter != null) {
     68                     mParameter.setValue(progress + mParameter.getMinimum());
     69                     if (mControlName != null) {
     70                         mControlName.setText(mParameter.getParameterName());
     71                     }
     72                     if (mControlValue != null) {
     73                         mControlValue.setText(Integer.toString(mParameter.getValue()));
     74                     }
     75                     mEditor.commitLocalRepresentation();
     76                 }
     77             }
     78         });
     79     }
     80 
     81     @Override
     82     public void setPrameter(Parameter parameter) {
     83         mParameter = (ParameterInteger) parameter;
     84         if (mSeekBar != null)
     85             updateUI();
     86     }
     87 
     88     @Override
     89     public void updateUI() {
     90         if (mControlName != null && mParameter.getParameterName() != null) {
     91             mControlName.setText(mParameter.getParameterName().toUpperCase());
     92         }
     93         if (mControlValue != null) {
     94             mControlValue.setText(
     95                     Integer.toString(mParameter.getValue()));
     96         }
     97         mSeekBar.setMax(mParameter.getMaximum() - mParameter.getMinimum());
     98         mSeekBar.setProgress(mParameter.getValue() - mParameter.getMinimum());
     99         mEditor.commitLocalRepresentation();
    100     }
    101 
    102     @Override
    103     public View getTopView() {
    104         return mTopView;
    105     }
    106 }
    107