SeekBarDialogPreference supports minValue and stepValue

Change-Id: I7aaeeb2db85103708747ae318610bd4896ef96fd
This commit is contained in:
Tadashi G. Takaoka 2013-01-22 12:32:04 +09:00
parent 4cb853191c
commit c053293484
2 changed files with 33 additions and 7 deletions

View file

@ -435,5 +435,7 @@
<declare-styleable name="SeekBarDialogPreference">
<attr name="valueFormatText" format="reference" />
<attr name="maxValue" format="integer" />
<attr name="minValue" format="integer" />
<attr name="stepValue" format="integer" />
</declare-styleable>
</resources>

View file

@ -37,6 +37,8 @@ public final class SeekBarDialogPreference extends DialogPreference
private final int mValueFormatResId;
private final int mMaxValue;
private final int mMinValue;
private final int mStepValue;
private TextView mValueView;
private SeekBar mSeekBar;
@ -49,6 +51,8 @@ public final class SeekBarDialogPreference extends DialogPreference
attrs, R.styleable.SeekBarDialogPreference, 0, 0);
mValueFormatResId = a.getResourceId(R.styleable.SeekBarDialogPreference_valueFormatText, 0);
mMaxValue = a.getInt(R.styleable.SeekBarDialogPreference_maxValue, 0);
mMinValue = a.getInt(R.styleable.SeekBarDialogPreference_minValue, 0);
mStepValue = a.getInt(R.styleable.SeekBarDialogPreference_stepValue, 0);
a.recycle();
setDialogLayoutResource(R.layout.seek_bar_dialog);
}
@ -70,22 +74,42 @@ public final class SeekBarDialogPreference extends DialogPreference
protected View onCreateDialogView() {
final View view = super.onCreateDialogView();
mSeekBar = (SeekBar)view.findViewById(R.id.seek_bar_dialog_bar);
mSeekBar.setMax(mMaxValue);
mSeekBar.setMax(mMaxValue - mMinValue);
mSeekBar.setOnSeekBarChangeListener(this);
mValueView = (TextView)view.findViewById(R.id.seek_bar_dialog_value);
return view;
}
private int getProgressFromValue(final int value) {
return value - mMinValue;
}
private int getValueFromProgress(final int progress) {
return progress + mMinValue;
}
private int clipValue(final int value) {
final int clippedValue = Math.min(mMaxValue, Math.max(mMinValue, value));
if (mStepValue <= 1) {
return clippedValue;
}
return clippedValue - (clippedValue % mStepValue);
}
private int getClippedValueFromProgress(final int progress) {
return clipValue(getValueFromProgress(progress));
}
private void setValue(final int value, final boolean fromUser) {
mValueView.setText(getValueText(value));
if (!fromUser) {
mSeekBar.setProgress(value);
mSeekBar.setProgress(getProgressFromValue(value));
}
}
@Override
protected void onBindDialogView(final View view) {
setValue(mValueProxy.readValue(getKey()), false /* fromUser */);
setValue(clipValue(mValueProxy.readValue(getKey())), false /* fromUser */);
}
@Override
@ -99,18 +123,18 @@ public final class SeekBarDialogPreference extends DialogPreference
public void onClick(final DialogInterface dialog, final int which) {
super.onClick(dialog, which);
if (which == DialogInterface.BUTTON_NEUTRAL) {
setValue(mValueProxy.readDefaultValue(getKey()), false /* fromUser */);
setValue(clipValue(mValueProxy.readDefaultValue(getKey())), false /* fromUser */);
}
if (which != DialogInterface.BUTTON_NEGATIVE) {
setSummary(mValueView.getText());
mValueProxy.writeValue(mSeekBar.getProgress(), getKey());
mValueProxy.writeValue(getClippedValueFromProgress(mSeekBar.getProgress()), getKey());
}
}
@Override
public void onProgressChanged(final SeekBar seekBar, final int progress,
final boolean fromUser) {
setValue(progress, fromUser);
setValue(getClippedValueFromProgress(progress), fromUser);
}
@Override
@ -118,6 +142,6 @@ public final class SeekBarDialogPreference extends DialogPreference
@Override
public void onStopTrackingTouch(final SeekBar seekBar) {
mValueProxy.feedbackValue(seekBar.getProgress());
mValueProxy.feedbackValue(getClippedValueFromProgress(seekBar.getProgress()));
}
}