Android Open Source - BoxSorter Circle

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.silverhillapps.boxsorter.subviews;
/*from   w  w w  .  j  a v  a  2 s  . c o m*/

import com.silverhillapps.boxsorter.conf.Conf;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;

/**
 * This class represents the view of the suck in figure. 
 * @author salva
 *
 */
public class Circle extends View implements Figure {

  private Paint mFigurePaint; // The paint object created for painting over the canvas
  //Initial position and dimension of the figure
  private int mXPos=Conf.CIRCLE_STARTING_X_POS;
  private int mYPos= Conf.CIRCLE_STARTING_Y_POS;
  private int mDimension=Conf.INITIAL_CIRCLE_RADIUS;

  private Context mContext;

  public Circle(Context context, AttributeSet attrs) {
    super(context, attrs);
    init();
    this.mContext = context;
  }

  /**
   * Method oriented for setting the displaying parameters
   */
  private void init() {
    mFigurePaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mFigurePaint.setColor(Color.BLACK);
    mFigurePaint.setAntiAlias(true);

  }

  /**
   * Method used for deleting the figure
   */
  @Override
  public void delete(boolean animate) {
    // Not used over this figure

  }

  /**
   * Method which draws the figure over the canvas
   */
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.drawCircle(mDimension, mDimension, mDimension, mFigurePaint);
  }

  /**
   * Position setter
   */
  @Override
  public void setPosition(int x, int y) {
    this.mXPos = x;
    this.mYPos = y;

    this.invalidate();
  }

  /**
   * Dimension setter
   */
  @Override
  public void setDimension(int dim) {
    this.mDimension = dim;

    this.invalidate();

  }

  /**
   * Color setter
   */
  @Override
  public void setColor(int color) {
    //Not needed for this figure

  }

  @Override
  protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

    setMeasuredDimension(mDimension*2, mDimension*2);
  }


  /**
   * Method responsible of unwrapping the view from Figure structure
   */
  @Override
  public View getView() {
    return this;
  }

  /**
   * x position getter
   */
  @Override
  public int getLeftPosition() {
    return mXPos;
  }

  /**
   * y position getter
   */
  @Override
  public int getTopPosition() {
    return mYPos;
  }

/**
 * Dimension getter
 */
  @Override
  public int getSize() {
    return mDimension*2;
  }

  @Override
  public boolean onTouchEvent(MotionEvent event) {
    // The touch behaviour is not detailed over this figure
    return true;
  }

  /**
   * Delete getter and setter
   */
  @Override
  public boolean isDeleted() {
    return false; // This figure cannot be deleted
  }
  @Override
  public void setDeleted(boolean deleted) {

    // This method is not needed in this figure
  }

}

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