Android Open Source - clinicalguide Questionnaire Fragment

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License

The source code is released under:
Apache License
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Java Source Code

package org.get.oxicam.clinicalguide.ui;
//www.j  a  v  a2s .  c  o m
import java.util.ArrayList;
import java.util.HashMap;

import org.ecemgroup.sharevitalsigns.library.ShareVitalSigns;
import org.ecemgroup.sharevitalsigns.library.ShareVitalSigns.ShareVitalSignsResultReceiver;
import org.get.oxicam.clinicalguide.ClinicalGuideActivity;
import org.get.oxicam.clinicalguide.R;
import org.get.oxicam.clinicalguide.xml.data.Answer;
import org.get.oxicam.clinicalguide.xml.data.AnswerValidator;
import org.get.oxicam.clinicalguide.xml.data.Assessment;
import org.get.oxicam.clinicalguide.xml.data.Question;
import org.get.oxicam.clinicalguide.xml.data.Questionnaire;
import org.get.oxicam.clinicalguide.xml.data.Symptom;

import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.ListFragment;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewParent;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RelativeLayout;
import android.widget.SimpleAdapter;
import android.widget.SimpleAdapter.ViewBinder;
import android.widget.Switch;
import android.widget.TextView;

public class QuestionnaireFragment extends ListFragment implements
    ListItemOnClickListener {

  public static final String ARG_KEY_QUESTIONNAIRES = "questionnaires";

  private static final int ID_RADIO_YES = 1;
  private static final int ID_RADIO_NO = 2;
  private static final int ID_QUANTITY = 3;
  private static final int ID_SWITCH = 4;

  private ClinicalGuideActivity mActivity;
  private SimpleAdapter mAdapter;
  private Assessment mQuestionnaires;
  private Questionnaire mQuestionnaire;

  @Override
  public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    mQuestionnaires = (Assessment) getArguments().getSerializable(
        ARG_KEY_QUESTIONNAIRES);
    mQuestionnaire = mQuestionnaires.getCurrentQuestionnaire();

    Log.w("quest", "index: " + mQuestionnaires.currentIndex);

    mActivity = (ClinicalGuideActivity) getActivity();
    mActivity.setTitle(mQuestionnaire.title);

    ArrayList<QuestionListItem> items = new ArrayList<QuestionListItem>();
    for (Question question : mQuestionnaire.questions) {
      items.add(new QuestionListItem(R.drawable.ic_launcher, question));
    }

    getListView().setAdapter(null);

    ViewGroup viewGroupHeader = new RelativeLayout(mActivity);
    TextView textView = new TextView(mActivity);
    textView.setText(mQuestionnaire.type.toUpperCase());
    textView.setTextColor(Color.argb(255, 47, 178, 229));
    textView.setTypeface(Typeface.DEFAULT, Typeface.BOLD_ITALIC);
    textView.setTextSize(17f);
    textView.setShadowLayer(0f, 0f, 1f, Color.DKGRAY);
    viewGroupHeader.addView(textView);
    RelativeLayout.LayoutParams paramsHeader = (RelativeLayout.LayoutParams) textView
        .getLayoutParams();
    paramsHeader.addRule(RelativeLayout.CENTER_HORIZONTAL);
    paramsHeader.setMargins(10, 0, 0, 0);
    textView.setLayoutParams(paramsHeader);
    getListView().addHeaderView(viewGroupHeader);

    ViewGroup viewGroupFooter = new RelativeLayout(mActivity);
    /************* Next button *****************/
    Button button = new Button(mActivity);
    button.setText("Next");
    // button.setBackgroundDrawable(getResources().getDrawable(R.drawable.arrow_right));
    button.setCompoundDrawablesWithIntrinsicBounds(0, 0,
        R.drawable.navigation_forward, 0);
    button.setOnClickListener(new View.OnClickListener() {

      @Override
      public void onClick(View v) {
        mQuestionnaires.answers.putAll(getAnswers());
        if (mQuestionnaires.hasNextQuestionnaire()) {
          Assessment next = mQuestionnaires.nextQuestionnaire();
          Bundle args = new Bundle();
          args.putSerializable(ARG_KEY_QUESTIONNAIRES, next);
          Fragment frag = Fragment.instantiate(mActivity,
              QuestionnaireFragment.class.getName(), args);
          mActivity.setContent(frag);

        } else {
          Symptom mainSymptom = mQuestionnaires
              .getMainSymptom(mActivity);
          Bundle args = new Bundle();
          args.putSerializable(
              AnswersReviewFragment.ARG_KEY_QUESTIONNAIRES,
              mQuestionnaires);
          // args.putSerializable(ClassificationFragment.ARG_KEY_QUESTIONNAIRES,
          // mQuestionnaires);
          // Treatment recommendedTreatment =
          // AnswerValidator.getTreatment(mainSymptom,
          // mActivity.getAnswers(), mActivity.getXmlParser());
          mQuestionnaires.recommendedTreatment = AnswerValidator
              .getTreatment(mActivity, mainSymptom,
                  mQuestionnaires.answers,
                  mActivity.getXmlParser(),
                  mQuestionnaires.patient.getPatientID());

          // mActivity.setRecommendedTreatment(recommendedTreatment);
          Fragment frag = Fragment.instantiate(mActivity,
              AnswersReviewFragment.class.getName(), args);
          mActivity.setContent(frag);
        }
      }
    });
    viewGroupFooter.addView(button);
    RelativeLayout.LayoutParams paramsFooter = (RelativeLayout.LayoutParams) button
        .getLayoutParams();
    paramsFooter.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
    paramsFooter.setMargins(0, 0, 10, 0);
    button.setLayoutParams(paramsFooter);

    /************* Previous button *****************/
    if (!mQuestionnaires.isFirstQuestionnaire()) {
      Button preButton = new Button(mActivity);
      preButton.setText("Previous");
      // button.setBackgroundDrawable(getResources().getDrawable(R.drawable.arrow_right));
      preButton.setCompoundDrawablesWithIntrinsicBounds(
          R.drawable.navigation_backward, 0, 0, 0);
      preButton.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
          mQuestionnaires.answers.putAll(getAnswers());
          mActivity.onBackPressed();
        }
      });
      viewGroupFooter.addView(preButton);
      paramsFooter = (RelativeLayout.LayoutParams) preButton
          .getLayoutParams();
      paramsFooter.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
      paramsFooter.setMargins(10, 0, 0, 0);
      preButton.setLayoutParams(paramsFooter);
    }

    getListView().addFooterView(viewGroupFooter);
    populateList(items);
  }

  /**
   * Called if a item in the ListView is clicked.
   */
  @Override
  public void onListItemClick(ListView l, View v, int position, long id) {
    // apparently this doesn't work if there are buttons in the list item
    // layout
  }

  /**
   * Called if a item in the ListView is clicked.
   */
  @Override
  public void onListItemClick(View v) {
    if (v.getId() == R.id.itemContainer) {
      expandInfoArea(v);

    } else {
      checkQuestionValueChanged(v);
    }
  }

  private void checkQuestionValueChanged(View v) {
    ListView lv = getListView();

    // check if radio buttons have changed
    int firstPos = lv.getFirstVisiblePosition();
    int lastPos = lv.getLastVisiblePosition();

    // iterate over views in the list and check if values have changed
    for (int i = firstPos, j = 0; i <= lastPos; i++, j++) {
      @SuppressWarnings("unchecked")
      HashMap<String, Object> item = (HashMap<String, Object>) lv
          .getItemAtPosition(i);

      // for some reason indices of visible views count from 0 (instead of
      // firstPos)
      View child = lv.getChildAt(j);

      if (child != null) {
        // yes no option
        View rb = child.findViewById(ID_RADIO_YES);
        if (rb != null) {
          // compare model selection state with view selection state
          boolean selected = ((Integer) item.get("value")) != 0 ? true
              : false;
          boolean vSelected = ((RadioButton) rb).isChecked();
          if (vSelected != selected) {
            // states are different, button was clicked
            Log.d("lv", "value: " + vSelected);
            item.put("value", vSelected ? 1 : 0);
          }
        }
        View sw = child.findViewById(ID_SWITCH);
        if (sw != null) {
          // compare model selection state with view selection state
          boolean selected = ((Integer) item.get("value")) != 0 ? true
              : false;
          boolean vSelected = ((Switch) sw).isChecked();
          if (vSelected != selected) {
            // states are different, button was clicked
            Log.d("lv", "value: " + vSelected);
            item.put("value", vSelected ? 1 : 0);
          }
        }
        // quantity option
        View nt = child.findViewById(ID_QUANTITY);
        if (nt != null) {
          int val = (Integer) item.get("value");
          int ntVal = ((NumberTicker) nt).getValue();
          if (val != ntVal) {
            // value has changed
            Log.d("lv", "value: " + ntVal);
            item.put("value", ntVal);
          }
        }
      }
    }
  }

  private HashMap<String, Answer> getAnswers() {
    ListView lv = getListView();
    HashMap<String, Answer> answers = new HashMap<String, Answer>();
    // check if radio buttons have changed
    // int firstPos = lv.getFirstVisiblePosition();
    // int lastPos = lv.getLastVisiblePosition();

    for (int i = 0; i < lv.getCount(); i++) {
      @SuppressWarnings("unchecked")
      HashMap<String, Object> item = (HashMap<String, Object>) lv
          .getItemAtPosition(i);
      if (item != null) {
        Question question = (Question) item.get("question");
        if (question.answerType.equals("bool")
            | question.answerType.equals("boolswitch")) {
          String selected = ((Integer) item.get("value")) != 0 ? "true"
              : "false";
          Answer answer = new Answer(question, selected);
          answers.put(answer.question.questionId, answer);
        } else {
          String value = item.get("value").toString();
          Answer answer = new Answer(question, value);
          answers.put(answer.question.questionId, answer);
        }
      }
    }
    return answers;
  }

  /*
   * Called if an info was clicked. Expands / hides the info area.
   */
  private void expandInfoArea(View v) {
    // find the item view that contains this info button
    View itemContainer = v;
    if (v.getId() != R.id.itemContainer) {
      ViewParent parent = v.getParent();
      while (parent != null && parent instanceof View) {
        if (((View) parent).getId() == R.id.itemContainer) {
          itemContainer = (View) parent;
          break;
        } else {
          parent = parent.getParent();
        }
      }
    }

    if (itemContainer != null) {
      // we found the parent container of this list item
      View infoView = itemContainer.findViewById(R.id.infoView);
      View fg = itemContainer.findViewById(R.id.foregroundContainer);
      ImageView iv = (ImageView) itemContainer
          .findViewById(R.id.infoImage);
      TextView infoTxt = (TextView) itemContainer
          .findViewById(R.id.infoText);
      if (infoView != null
          && fg != null
          && (infoTxt.getText().length() > 0 || iv.getDrawable() != null)) {
        boolean visible = false;
        RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) infoView
            .getLayoutParams();
        if (params.topMargin == 0) {
          visible = true;
          params.topMargin = fg.getHeight();
        } else {
          params.topMargin = 0;
        }
        infoView.setLayoutParams(params);
        infoView.setVisibility(visible ? View.VISIBLE : View.GONE);
        infoView.invalidate();

        final View item = itemContainer;
        infoView.post(new Runnable() {
          public void run() {
            try {
              Rect rect = new Rect(0, 0, item.getWidth(), item
                  .getHeight());
              getListView().requestChildRectangleOnScreen(item,
                  rect, false);
            } catch (Exception e) {
              Log.w("ListView", "warning: " + e.getMessage());
            }
          }
        });
      }
    }
  }

  private void populateList(ArrayList<QuestionListItem> items) {
    // populate a HashMap with all list items
    ArrayList<HashMap<String, Object>> itemData = new ArrayList<HashMap<String, Object>>();
    ArrayList<Answer> answers = new ArrayList<Answer>();
    for (QuestionListItem item : items) {
      HashMap<String, Object> map = new HashMap<String, Object>();
      map.put("question", item.question);
      map.put("answerType", item.question.answerType);
      Answer ans = mQuestionnaires.answers.get(item.question.questionId);
      answers.add(ans);
      if (ans != null) {
        if (ans.value.equals("true")) {
          map.put("value", 1);
        } else if (ans.value.equals("false")) {
          map.put("value", 0);
        } else {
          map.put("value", Integer.parseInt(ans.value));
        }
      } else {
        map.put("value", 0);
      }
      map.put("infoButton", item.question.annotation);
      if (item.question.annotation != null) {
        map.put("infoText", item.question.annotation.label);
        map.put("infoImg", item.question.annotation.getImage());
      }
      if (item.question.info != null) {
        map.put("infoType", item.question.info.type);
        map.put("infoLabel", item.question.info.label);
      }
      if (item.question.min != null) {
        map.put("min", item.question.min);

      }
      if (item.question.link != null) {
        map.put("link", item.question.link);

      }
      itemData.add(map);
    }

    // Specify source tag to corresponding target ID mapping
    String[] sourceTags = { "question", "answerType", "infoText",
        "infoImg", "infoButton", "infoType", "infoLabel" };
    int[] targetIds = { R.id.question, R.id.answerContainer, R.id.infoText,
        R.id.infoImage, R.id.infoButton, R.id.infoBackground, R.id.info };

    // create the ListAdapter
    mAdapter = new SimpleAdapter(getActivity(), itemData,
        R.layout.question_list_item, sourceTags, targetIds);
    mAdapter.setViewBinder(new GeneralDangerSignBinder(answers));
    setListAdapter(mAdapter);
  }

  public Questionnaire getQuestionnaire() {
    return mQuestionnaire;
  }

  public void setQuestionnaire(Questionnaire mQuestionnaire) {
    this.mQuestionnaire = mQuestionnaire;
  }

  class GeneralDangerSignBinder implements ViewBinder, View.OnClickListener,
      NumberTickerValueChangeListener, OnCheckedChangeListener {

    private ArrayList<Answer> answer = new ArrayList<Answer>();
    private Question ques;

    public GeneralDangerSignBinder(ArrayList<Answer> answers) {
      this.answer = answers;
      for (Answer a : answer) {
        if (a != null) {
          Log.w("answer", "back: " + a.question.label + " " + a.value);
        }
      }
    }

    @Override
    public boolean setViewValue(View view, Object data,
        String textRepresentation) {
      if (view.getId() == R.id.question) {
        Question question = (Question) data;
        ques = question;
        TextView textView = (TextView) view;
        textView.setText(question.label);

      } else if (view.getId() == R.id.infoText) {
        TextView infoTxt = (TextView) view;
        if (data != null) {
          infoTxt.setText(data.toString());
        } else {
          infoTxt.setVisibility(View.GONE);
        }

      } else if (view.getId() == R.id.infoImage) {
        ImageView infoImg = (ImageView) view;
        if (data != null) {
          Drawable img = (Drawable) data;
          infoImg.setImageDrawable(img);
        } else {
          infoImg.setVisibility(View.GONE);
        }

      } else if (view.getId() == R.id.answerContainer) {
        FrameLayout fl = (FrameLayout) view;
        setAnswerView(fl, (String) data);
      } else if (view.getId() == R.id.infoButton) {
        if (data == null) {
          view.setVisibility(View.INVISIBLE);
        }
      } else if (view.getId() == R.id.infoBackground) {
        if (data != null) {
          if (data.equals("info")) {
            view.setBackgroundResource(R.drawable.rounded_edges_info);
          } else if (data.equals("urgent")) {
            view.setBackgroundResource(R.drawable.rounded_edges_urgent);
          }
        } else {
          view.setVisibility(View.GONE);
        }
      } else if (view.getId() == R.id.info) {
        if (data != null) {
          ((TextView) view).setText((String) data);
        }
      } else {
        return false;
      }
      return true;
    }

    private void setAnswerView(FrameLayout container, String answerType) {
      if (container.getChildCount() > 0) {
        return;
      }
      String value = "";

      for (Answer a : answer) {
        if (a != null) {
          if (a.question.label.equalsIgnoreCase(ques.label)) {
            value = a.value;
          }
        }
      }

      if (answerType.equals("quantity")) {
        NumberTicker nt = new NumberTicker(mActivity);
        nt.setId(ID_QUANTITY);
        nt.setValueChangeListener(this);
        if (!value.equals("")) {
          nt.setValue(Integer.parseInt(value));
        }
        container.addView(nt);

      } else if (answerType.equals("bool")) {
        // bool answer
        RadioGroup rg = new RadioGroup(mActivity);
        container.addView(rg);

        RadioButton rbYes = new RadioButton(mActivity);
        rbYes.setId(ID_RADIO_YES);
        rbYes.setText("Yes ");
        rbYes.setOnClickListener(this);
        rg.addView(rbYes);

        RadioButton rbNo = new RadioButton(mActivity);
        rbNo.setId(ID_RADIO_NO);
        rbNo.setText("No ");
        rbNo.setOnClickListener(this);
        if (value.equals("true")) {
          rg.check(ID_RADIO_YES);
        } else {
          rbNo.setChecked(true);
        }
        // rbNo.setChecked(true); //no button marked by default
        rg.addView(rbNo);

      } else if (answerType.equals("boolswitch")) {
        // switch answer //TODO: set format of switch
        Switch sw = new Switch(mActivity);
        sw.setTextOff("No");
        sw.setTextOn("Yes");
        sw.setId(ID_SWITCH);
        sw.setOnCheckedChangeListener(this);
        if (value.equals("true")) {
          sw.setChecked(true);
        }
        container.addView(sw);

      } else if (answerType.equals("measure")) {
        RelativeLayout layout = new RelativeLayout(mActivity);
        container.addView(layout);

        NumberTicker nt = new NumberTicker(mActivity);
        nt.setId(ID_QUANTITY);
        nt.setValueChangeListener(this);
        layout.addView(nt);
        RelativeLayout.LayoutParams params = (RelativeLayout.LayoutParams) nt
            .getLayoutParams();
        params.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
        params.addRule(RelativeLayout.ALIGN_PARENT_TOP);

        // button for getting external values
        Button button = new Button(mActivity);
        button.setText("\uE715");
        // button.setCompoundDrawablesWithIntrinsicBounds(R.drawable.content_new_attachment,0,0,0);
        Typeface font = Typeface.createFromAsset(mActivity.getAssets(),
            "fontello.ttf");
        button.setTypeface(font);
        layout.addView(button);
        params = (RelativeLayout.LayoutParams) button.getLayoutParams();
        params.addRule(RelativeLayout.RIGHT_OF, ID_QUANTITY);
        params.addRule(RelativeLayout.CENTER_VERTICAL);

        button.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View v) {
                      
            try {        
              getActivity().startActivityForResult(ClinicalGuideActivity.sharevitals.measureVitalSigns(new ShareVitalSignsResultReceiver() {
                  @Override
                  public void onResult(float[] vital, int[] confidence) {
                  
                    NumberTicker nt = (NumberTicker) mActivity
                      .findViewById(ID_QUANTITY);
                  nt.setValue((int) vital[0]);
                  }
                },ShareVitalSigns.MEASURE_RR),ShareVitalSigns.MEASURE_RR); //TODO choose proper signal
              } catch (Exception e) {
                /*Toast.makeText(
                    this,
                    String.format("No App providing requested vital sign found on device."),
                    Toast.LENGTH_SHORT).show();*/
              }
            
            
          }
        });
      }
    }

    @Override
    public void onClick(View v) {
      onListItemClick(v);
    }

    @Override
    public void valueChanged(NumberTicker view, int newVal) {
      onListItemClick(view);
    }

    @Override
    public void onCheckedChanged(CompoundButton buttonView,
        boolean isChecked) {
      onListItemClick(buttonView);
    }
  }
}
Java Source Code List
