package com.DeviceTest.view;
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import java.util.ArrayList;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Paint.Style;
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import android.util.AttributeSet;
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import android.view.View;
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public class KeyTestView extends View{
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private final static String TAG = "KeyTestView";
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private int COLOR_NOR = Color.GRAY;
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private int COLOR_DOWN = Color.YELLOW;
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private int COLOR_PASS = Color.GREEN;
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private Paint mPaint = null;
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private Paint mWordPaint = null;
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private final static int ROW = 3;
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private final static int LINE = 2;
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private final static int PER_GAP = 3;
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private int per_width = 0;
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private int per_height = 0;
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ArrayList<KeyStruct> mKeyArray = new ArrayList<KeyStruct>();
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public KeyTestView(Context context, AttributeSet attrs) {
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super(context, attrs);
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mPaint = new Paint();
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mPaint.setColor(COLOR_NOR);
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mPaint.setStyle(Style.FILL);
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mWordPaint = new Paint();
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mWordPaint.setColor(Color.WHITE);
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}
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@Override
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protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
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super.onLayout(changed, left, top, right, bottom);
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per_width = (this.getWidth() - PER_GAP * (ROW + 1)) / ROW;
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per_height = (this.getHeight() - PER_GAP * (LINE + 1))/ LINE;
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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int current_x = PER_GAP;
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int current_y = PER_GAP;
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int i = 0;
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while(i < mKeyArray.size()){
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int color = COLOR_NOR;
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if(mKeyArray.get(i).getIsPass()){
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color = COLOR_PASS;
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}
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if(mKeyArray.get(i).getIsDown()){
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color = COLOR_DOWN;
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}
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mPaint.setColor(color);
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canvas.drawRect(current_x, current_y, current_x + per_width, current_y + per_height, mPaint);
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canvas.drawText(mKeyArray.get(i).getKeyName(), current_x, current_y + per_height / 2+5, mWordPaint);
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i ++;
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if(i % ROW == 0){
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current_x = PER_GAP;
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current_y += (per_height + PER_GAP);
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}else{
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current_x += (per_width + PER_GAP);
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}
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}
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}
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public void addKey(String name, int code){
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KeyStruct mkey = new KeyStruct(name, code);
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mKeyArray.add(mkey);
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}
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public void setKeyDown(int code){
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for(KeyStruct key : mKeyArray){
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if(key.getKeyCode() == code){
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key.setIsDown(true);
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break;
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}
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}
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invalidate();
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}
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public void setKeyUp(int code){
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for(KeyStruct key : mKeyArray){
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if(key.getKeyCode() == code){
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key.setIsDown(false);
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break;
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}
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}
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invalidate();
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}
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private class KeyStruct{
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private String keyname;
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private int keycode;
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private boolean isdown;
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private boolean pass;
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public KeyStruct(String name, int code){
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this.keyname = name;
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this.keycode = code;
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this.isdown = false;
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this.pass = false;
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}
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public void setIsDown(boolean tmp){
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this.isdown = tmp;
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if(tmp)
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this.pass = true;
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}
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public boolean getIsDown(){
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return this.isdown;
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}
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public boolean getIsPass(){
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return this.pass;
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}
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public String getKeyName(){
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return this.keyname;
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}
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public int getKeyCode(){
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return this.keycode;
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}
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}
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}
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