NumberPickerPreference.java :  » UnTagged » tippytipper » net » mandaria » tippytipper » preferences » Android Open Source

package net.mandaria.tippytipper.preferences;

import net.mandaria.tippytipper.R;
import net.mandaria.tippytipper.widgets.*;
import android.content.Context;
import android.util.AttributeSet;
import android.view.Gravity;
import android.view.View;
import android.preference.DialogPreference;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.content.res.*;

public class NumberPickerPreference extends DialogPreference
{
  private static final String androidns = "http://schemas.android.com/apk/res/android";
  private static final String appns = "http://schemas.android.com/apk/res/net.mandaria.tippytipper";

  private NumberPicker mPickInteger;
  private TextView mSplashText, mValueText;
  private Context mContext;

  private String mDialogMessage, mSuffix;
  private int mDefault, mMin, mMax, mValue = 0;

  public NumberPickerPreference(Context context, AttributeSet attrs)
  {
    super(context, attrs);
    mContext = context;

    mDialogMessage = attrs.getAttributeValue(androidns, "dialogMessage");
    mSuffix = attrs.getAttributeValue(androidns, "text");
    mDefault = attrs.getAttributeIntValue(androidns, "defaultValue", 0);
    mMax = attrs.getAttributeIntValue(androidns,"max", 100);
      
      TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.SeekBarPreference);
      mMin = a.getInt(R.styleable.SeekBarPreference_min, 0);
  }

  @Override
  protected View onCreateDialogView()
  {
    TableLayout.LayoutParams params;
    TableLayout layout = new TableLayout(mContext);
    layout.setPadding(6, 6, 6, 6);

    mSplashText = new TextView(mContext);
    if (mDialogMessage != null)
      mSplashText.setText(mDialogMessage);

    TableRow row_header = new TableRow(mContext);
    row_header.addView(mSplashText);

    mPickInteger = new NumberPicker(mContext);
    mPickInteger.setRange(mMin, mMax);

    TextView suffix = new TextView(mContext);
    suffix.setText(mSuffix);
    suffix.setTextSize(32);

    TableRow row_one = new TableRow(mContext);
    row_one.setGravity(Gravity.CENTER);
    row_one.addView(mPickInteger);
    row_one.addView(suffix);

    layout.addView(row_header);

    TableLayout table_main = new TableLayout(mContext);
    table_main.addView(row_one);

    TableRow row_main = new TableRow(mContext);
    row_main.setGravity(Gravity.CENTER_HORIZONTAL);
    row_main.addView(table_main);

    layout.addView(row_main);

    if (shouldPersist())
      mValue = getPersistedInt(mDefault);

    bindData();

    return layout;
  }

  private void bindData()
  {
    try
    {
      mPickInteger.setCurrent(mValue);
    }
    catch (Exception ex)
    {
      
    }
  }

  @Override
  protected void onBindDialogView(View v)
  {
    super.onBindDialogView(v);
    bindData();
  }

  @Override
  protected void onSetInitialValue(boolean restore, Object defaultValue)
  {
    super.onSetInitialValue(restore, defaultValue);
    if (restore)
    {
      try
      {
        mValue = shouldPersist() ? getPersistedInt(mDefault) : 0;
      }
      catch (Exception ex)
      {
        mValue = mDefault;
      }
    }
    else
      mValue = (Integer) defaultValue;
  }

  @Override
  protected void onDialogClosed(boolean positiveResult)
  {
    if (positiveResult == true)
    {
      super.onDialogClosed(positiveResult);
      // HACK: "click" both picker inputs to validate inputs before closing the dialog
      // this is to fix a problem of closing the dialog not causing the onFocusChange of the picker
      // to be called
      mPickInteger.onClick(null);
      mValue = mPickInteger.getCurrent();
      if (shouldPersist())
        persistInt(mValue);
    }
  }
}