/WebVox/src/com/marvin/webvox/Dots.java
http://eyes-free.googlecode.com/ · Java · 85 lines · 44 code · 14 blank · 27 comment · 8 complexity · bc8e312ca3599c1fcf7ac58f81a948d7 MD5 · raw file
- /*
- * Copyright (C) 2008 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.marvin.webvox;
- import com.marvin.webvox.R;
- import android.content.Context;
- import android.util.AttributeSet;
- import android.view.Gravity;
- import android.widget.ImageView;
- import android.widget.LinearLayout;
- import java.util.Map;
- /**
- * Displays a series of dots. The selected one is highlighted.
- * No animations yet. Nothing fancy.
- */
- class Dots extends LinearLayout {
- private static final int MAX_DOTS = 8;
- private int mSelected = -1;
- public Dots(Context context) {
- this(context, null);
- }
- public Dots(Context context, AttributeSet attrs) {
- super(context, attrs);
- setGravity(Gravity.CENTER);
- setPadding(0, 4, 0, 4);
- LayoutParams lp =
- new LayoutParams(LayoutParams.WRAP_CONTENT,
- LayoutParams.WRAP_CONTENT);
- for (int i = 0; i < MAX_DOTS; i++) {
- // ImageView dotView = new ImageView(mContext);
- // dotView.setImageResource(R.drawable.page_indicator_unselected2);
- // addView(dotView, lp);
- }
- }
- /**
- * @param dotCount if less than 1 or greater than MAX_DOTS, Dots
- * disappears
- */
- public void setDotCount(int dotCount) {
- if (dotCount > 1 && dotCount <= MAX_DOTS) {
- setVisibility(VISIBLE);
- for (int i = 0; i < MAX_DOTS; i++) {
- getChildAt(i).setVisibility(i < dotCount? VISIBLE : GONE);
- }
- } else {
- setVisibility(GONE);
- }
- }
- public void setSelected(int index) {
- if (index < 0 || index >= MAX_DOTS) return;
- if (mSelected >= 0) {
- // Unselect old
- ((ImageView)getChildAt(mSelected)).setImageResource(
- R.drawable.page_indicator_unselected2);
- }
- ((ImageView)getChildAt(index)).setImageResource(R.drawable.page_indicator);
- mSelected = index;
- }
- }