1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.colorpicker; 18 19 import android.content.Context; 20 import android.graphics.drawable.Drawable; 21 import android.view.LayoutInflater; 22 import android.view.View; 23 import android.widget.FrameLayout; 24 import android.widget.ImageView; 25 26 /** 27 * Creates a circular swatch of a specified color. Adds a checkmark if marked as checked. 28 */ 29 public class ColorPickerSwatch extends FrameLayout implements View.OnClickListener { 30 private int mColor; 31 private ImageView mSwatchImage; 32 private ImageView mCheckmarkImage; 33 private OnColorSelectedListener mOnColorSelectedListener; 34 35 /** 36 * Interface for a callback when a color square is selected. 37 */ 38 public interface OnColorSelectedListener { 39 40 /** 41 * Called when a specific color square has been selected. 42 */ onColorSelected(int color)43 public void onColorSelected(int color); 44 } 45 ColorPickerSwatch(Context context, int color, boolean checked, OnColorSelectedListener listener)46 public ColorPickerSwatch(Context context, int color, boolean checked, 47 OnColorSelectedListener listener) { 48 super(context); 49 mColor = color; 50 mOnColorSelectedListener = listener; 51 52 LayoutInflater.from(context).inflate(R.layout.color_picker_swatch, this); 53 mSwatchImage = (ImageView) findViewById(R.id.color_picker_swatch); 54 mCheckmarkImage = (ImageView) findViewById(R.id.color_picker_checkmark); 55 setColor(color); 56 setChecked(checked); 57 setOnClickListener(this); 58 } 59 setColor(int color)60 protected void setColor(int color) { 61 Drawable[] colorDrawable = new Drawable[] 62 {getContext().getResources().getDrawable(R.drawable.color_picker_swatch)}; 63 mSwatchImage.setImageDrawable(new ColorStateDrawable(colorDrawable, color)); 64 } 65 setChecked(boolean checked)66 private void setChecked(boolean checked) { 67 if (checked) { 68 mCheckmarkImage.setVisibility(View.VISIBLE); 69 } else { 70 mCheckmarkImage.setVisibility(View.GONE); 71 } 72 } 73 74 @Override onClick(View v)75 public void onClick(View v) { 76 if (mOnColorSelectedListener != null) { 77 mOnColorSelectedListener.onColorSelected(mColor); 78 } 79 } 80 } 81