Android Open Source - dbfragments Date Chooser

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Yuriy Tkachenko/*from w  w  w .  j  av a  2s.  c  o  m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package db.fragments;

import android.annotation.SuppressLint;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.app.DialogFragment;
import android.app.Activity;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.LinearLayout;
import android.widget.TextView;

/**
 * The date chooser control.
 */
public class DateChooser extends LinearLayout implements Control {

  TextView edit;
  Button button;
  boolean readonly;
  Activity activity;
  private boolean changed = false; 

  private int mYear;
  private int mMonth;
  private int mDay;

  public boolean isReadonly() {
    return readonly;
  }

  public void setReadonly(boolean readonly) {
    this.readonly = readonly;
    button.setEnabled(!readonly);
  }

  public DateChooser(Context context) {
    super(context);
    activity = (Activity) context;
    edit = new TextView(context);
    edit.setTextColor(Color.BLACK);
    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
        LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, 1f);
    edit.setLayoutParams(params);

    button = new Button(context, null, android.R.attr.buttonStyleSmall);
    button.setText(" .. ");
    button.setOnClickListener(on_click);
    addView(edit);
    addView(button);
  }

  private void updateDisplay() {
    this.edit.setText(new StringBuilder()
        // Month is 0-based so add 1
        .append(mYear).append("-")
        .append(String.format("%02d", mMonth + 1)).append("-")
        .append(String.format("%02d", mDay)));
    changed = true;
  }

  private View.OnClickListener on_click = new View.OnClickListener() {
    public void onClick(View v) {
      DialogFragment newFragment = new DatePickerFragment();
      newFragment.show(activity.getFragmentManager(), "datePicker");
    }
  };

  @Override
  public CharSequence getText() {
    return edit.getText();
  }

  @Override
  public void setText(CharSequence text) {
    if (text.length() < 10) {
      text = "2000-01-01";
    }
    edit.setText(text);
    changed = false;
  }

  @SuppressLint("ValidFragment")
  public class DatePickerFragment extends DialogFragment implements
      DatePickerDialog.OnDateSetListener {

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
      String[] dmy = ((String) edit.getText()).split("\\-");
      mYear = Integer.parseInt(dmy[0]);
      mMonth = Integer.parseInt(dmy[1]) - 1;
      mDay = Integer.parseInt(dmy[2]);
      return new DatePickerDialog(activity, this, mYear, mMonth, mDay);
    }

    public void onDateSet(DatePicker view, int year, int monthOfYear,
        int dayOfMonth) {
      mYear = year;
      mMonth = monthOfYear;
      mDay = dayOfMonth;
      updateDisplay();
    }
  }

  @Override
  public boolean isChanged() {
    return changed;    
  }

}

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