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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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 com.android.camera.ui;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.camera.IconListPreference;
import com.android.camera.R;
import com.android.camera.Util;
import com.android.camera.ui.GLListView.OnItemSelectedListener;
public class BasicSettingPicker extends LinearLayout {
private static final String TAG = "BasicSettingPicker";
private IconListPreference mPreference;
private final Context mContext;
private Listener mListener;
static public interface Listener {
public void onSharedPreferenceChanged();
}
public BasicSettingPicker(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
}
public void initialize(IconListPreference preference) {
mPreference = preference;
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
CharSequence[] entries = mPreference.getEntries();
CharSequence[] values = mPreference.getEntryValues();
int[] imageIds = mPreference.getImageIds();
int index = preference.findIndexOfValue(preference.getValue());
int pos = 0;
for (int i = 0, n = entries.length; i < n; ++i) {
// Add the image.
ImageView image;
Drawable drawable = mContext.getResources().getDrawable(imageIds[i]);
// Sacle the image if it is too small.
if (drawable.getIntrinsicWidth() >= getLayoutParams().width) {
image = (ImageView) inflater.inflate(
R.layout.setting_image_item, null);
} else {
image = (ImageView) inflater.inflate(
R.layout.setting_scale_image_item, null);
}
image.setImageDrawable(drawable);
image.setClickable(false);
addView(image, pos++);
// Add the text.
TextView text = (TextView) inflater.inflate(
R.layout.setting_text_item, null);
text.setText(entries[i].toString());
text.setClickable(false);
if (index == i) text.setPressed(true);
addView(text, pos++);
}
requestLayout();
}
public void setSharedPreferenceChangedListener(Listener listener) {
mListener = listener;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int action = event.getAction();
if (action == MotionEvent.ACTION_MOVE
|| action == MotionEvent.ACTION_DOWN) {
int y = (int) event.getY();
// Check which child is pressed.
for (int i = 0; i < getChildCount() - 1; i++) {
View v = getChildAt(i);
if (y >= v.getTop() && y <= v.getBottom()) {
int index = i / 2;
CharSequence[] values = mPreference.getEntryValues();
int oldIndex = mPreference.findIndexOfValue(mPreference.getValue());
if (oldIndex != index) {
View oldText = getChildAt(oldIndex * 2 + 1);
oldText.setPressed(false);
View text = getChildAt(index * 2 + 1);
text.setPressed(true);
mPreference.setValueIndex(index);
if (mListener != null) {
mListener.onSharedPreferenceChanged();
}
}
}
}
return true;
}
return false;
}
}
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