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/*
* Copyright (C) 2014 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 android.widget;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.util.AttributeSet;
import com.android.internal.R;
class TextViewWithCircularIndicator extends TextView {
private final Paint mCirclePaint = new Paint();
private final String mItemIsSelectedText;
public TextViewWithCircularIndicator(Context context) {
this(context, null);
}
public TextViewWithCircularIndicator(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public TextViewWithCircularIndicator(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public TextViewWithCircularIndicator(Context context, AttributeSet attrs,
int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
final Resources res = context.getResources();
mItemIsSelectedText = res.getString(R.string.item_is_selected);
init();
}
private void init() {
mCirclePaint.setTypeface(Typeface.create(mCirclePaint.getTypeface(), Typeface.BOLD));
mCirclePaint.setAntiAlias(true);
mCirclePaint.setTextAlign(Paint.Align.CENTER);
mCirclePaint.setStyle(Paint.Style.FILL);
}
public void setCircleColor(int color) {
mCirclePaint.setColor(color);
invalidate();
}
@Override
public void onDraw(Canvas canvas) {
if (isActivated()) {
final int width = getWidth();
final int height = getHeight();
final int radius = Math.min(width, height) / 2;
canvas.drawCircle(width / 2, height / 2, radius, mCirclePaint);
}
super.onDraw(canvas);
}
@Override
public CharSequence getContentDescription() {
final CharSequence itemText = getText();
if (isActivated()) {
return String.format(mItemIsSelectedText, itemText);
} else {
return itemText;
}
}
}
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