package org.commcare.views.widgets;
import android.content.Context;
import android.text.InputType;
import android.text.method.DigitsKeyListener;
import android.text.method.PasswordTransformationMethod;
import android.util.TypedValue;
import android.view.View;
import android.view.inputmethod.EditorInfo;
import android.widget.EditText;
import org.commcare.utils.IntegerSizeFilter;
import org.javarosa.core.model.condition.pivot.IntegerRangeHint;
import org.javarosa.core.model.condition.pivot.UnpivotableExpressionException;
import org.javarosa.core.model.data.IAnswerData;
import org.javarosa.core.model.data.IntegerData;
import org.javarosa.core.model.data.LongData;
import org.javarosa.form.api.FormEntryPrompt;
/**
* Widget that restricts values to integers.
*
* @author Carl Hartung (carlhartung@gmail.com)
*/
public class IntegerWidget extends StringWidget {
//1 for int. 0 for long?
private final int number_type;
public IntegerWidget(Context context, FormEntryPrompt prompt, boolean secret, int num_type) {
super(context, prompt, secret);
mAnswer.setTextSize(TypedValue.COMPLEX_UNIT_DIP, mAnswerFontSize);
mAnswer.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI | EditorInfo.IME_ACTION_NEXT);
this.number_type = num_type;
// needed to make long readonly text scroll
mAnswer.setHorizontallyScrolling(false);
if (!secret) {
mAnswer.setSingleLine(false);
}
// only allows numbers and no periods
mAnswer.setKeyListener(new DigitsKeyListener(true, false));
addAnswerFilter(new IntegerSizeFilter());
//We might have
if (prompt.isReadOnly()) {
setBackgroundDrawable(null);
setFocusable(false);
setClickable(false);
}
if (getCurrentAnswer() != null) {
if (number_type == 1) {
Integer i = (Integer)getCurrentAnswer().getValue();
if (i != null) {
mAnswer.setText(i.toString());
}
} else {
Long i = (Long)getCurrentAnswer().getValue();
if (i != null) {
mAnswer.setText(i.toString());
}
}
}
}
@Override
protected int guessMaxStringLength(FormEntryPrompt prompt) throws UnpivotableExpressionException {
int existingGuess = Integer.MAX_VALUE;
try {
existingGuess = super.guessMaxStringLength(prompt);
} catch (UnpivotableExpressionException e) {
}
try {
//Awful. Need factory for this
IntegerRangeHint hint = new IntegerRangeHint();
prompt.requestConstraintHint(hint);
IntegerData maxexample = hint.getMax();
IntegerData minexample = hint.getMin();
if (minexample != null) {
//If we didn't constrain the input to be 0 or more, don't bother
if ((Integer)minexample.getValue() < 0) {
throw new UnpivotableExpressionException();
}
} else {
//could be negative. Not worth it
throw new UnpivotableExpressionException();
}
if (maxexample != null) {
int max = (Integer)maxexample.getValue();
if (!hint.isMaxInclusive()) {
max -= 1;
}
return Math.min(existingGuess, String.valueOf(max).length());
}
} catch (Exception e) {
}
if (number_type == 1) {
return Math.min(existingGuess, 9);
} else {
return Math.min(existingGuess, 15);
}
}
@Override
protected void setTextInputType(EditText mAnswer) {
if (secret) {
mAnswer.setInputType(InputType.TYPE_NUMBER_FLAG_SIGNED);
mAnswer.setTransformationMethod(PasswordTransformationMethod.getInstance());
}
}
@Override
public IAnswerData getAnswer() {
String s = mAnswer.getText().toString().trim();
if (s == null || s.equals("")) {
return null;
} else {
try {
if (number_type == 1) {
return new IntegerData(Integer.parseInt(s));
} else {
return new LongData(Long.parseLong(s));
}
} catch (Exception NumberFormatException) {
return null;
}
}
}
/**
* If this is the last question, set the action button to close the keyboard
*/
@Override
public void setLastQuestion(boolean isLast) {
if (isLast) {
mAnswer.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI | EditorInfo.IME_ACTION_DONE);
} else {
mAnswer.setImeOptions(EditorInfo.IME_FLAG_NO_EXTRACT_UI | EditorInfo.IME_ACTION_NEXT);
}
}
@Override
public void onClick(View v) {
setFocus(getContext());
// don't revert click behavior in this case since it might be customized.
}
}