Android Open Source - sana Text Entry Element

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License

The source code is released under:

Copyright (c) 2010, Moca All rights reserved. The source code for Moca is licensed under the BSD license as follows: Redistribution and use in source and binary forms, with or without modification, ...

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Java Source Code

package org.moca.procedure;
/* ww  w  .  j ava 2 s.c  o  m*/
import org.moca.util.MocaUtil;
import org.w3c.dom.Node;

import android.content.Context;
import android.text.InputType;
import android.text.method.DialerKeyListener;
import android.text.method.DigitsKeyListener;
import android.text.method.KeyListener;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.EditText;

/**
 * TextEntryElement is a ProcedureElement that contains a question and a text box for user response.
 */
public class TextEntryElement extends ProcedureElement {
    private EditText et;
    private NumericType numericType = NumericType.NONE;
    
    private enum NumericType {
      NONE,
      DIALPAD,
      INTEGER,
      SIGNED,
      DECIMAL
    }
    
    @Override
    public ElementType getType() {
        return ElementType.ENTRY;
    }
    
    private static KeyListener getKeyListenerForType(NumericType type) {
      switch (type) {
      case DIALPAD:
        return new DialerKeyListener();
      case INTEGER:
        return new DigitsKeyListener();
      case SIGNED:
        return new DigitsKeyListener(true, false);
      case DECIMAL:
        return new DigitsKeyListener(true, true);
      case NONE:
      default:
        return null;
      }
    }
   
    public static final int TYPE_TEXT_FLAG_NO_SUGGESTIONS = 0x00080000;

    @Override
    protected View createView(Context c) {
        et = new EditText(c);
        et.setText(answer);
        et.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,LayoutParams.WRAP_CONTENT));
        if (!NumericType.NONE.equals(numericType)) {
          KeyListener listener = getKeyListenerForType(numericType);
          if (listener != null)
            et.setKeyListener(listener);
        } else {
          
          et.setRawInputType(InputType.TYPE_TEXT_FLAG_CAP_SENTENCES | TYPE_TEXT_FLAG_NO_SUGGESTIONS);
        }
          
        return encapsulateQuestion(c, et);
    }
    
    /**
     * Set the text in the text box.
     */
    public void setAnswer(String answer) {
      this.answer = answer;
      if(isViewActive()) {
        et.setText(answer);
      }
    }

    /**
     * Return the user's typed-in response.
     */
    public String getAnswer() {
        if(!isViewActive())
            return answer;
        else if(et.getText().length() == 0)
            return "";
        return et.getText().toString();
    }
    
    /**
     * Make question and response into an XML string for storing or transmission.
     */
    public void buildXML(StringBuilder sb) {
        sb.append("<Element type=\"" + getType().name() + "\" id=\"" + id);
        sb.append("\" question=\"" + question);
        sb.append("\" answer=\"" + getAnswer());
        sb.append("\" concept=\"" + getConcept());
        sb.append("\"/>\n");
    }
    
    private TextEntryElement(String id, String question, String answer, String concept, String figure, String audio, NumericType numericType) {
        super(id, question, answer, concept, figure, audio);
        this.numericType = numericType;
    }
    
    /**
     * Create a TextEntryElement from an XML procedure definition.
     */
    public static TextEntryElement fromXML(String id, String question, String answer, String concept, String figure, String audio, Node n) throws ProcedureParseException {
      String numericStr = MocaUtil.getNodeAttributeOrDefault(n, "numeric", "NONE");
      
      NumericType numericType = NumericType.NONE;
      try {
        numericType = NumericType.valueOf(numericStr);
      } catch (Exception e) {
        Log.e(TAG, "Could not parse numeric type: " + e.toString());
        e.printStackTrace();
      }
      
        return new TextEntryElement(id, question, answer, concept, figure, audio, numericType);
    }

}

Java Source Code List