android/source/src/java/org/libreoffice/canvas/CalcHeaderCell.java

   1 package org.libreoffice.canvas;
   2
   3 import android.graphics.Canvas;
   4 import android.graphics.Color;
   5 import android.graphics.Paint;
   6 import android.graphics.Paint.Style;
   7 import android.graphics.Rect;
   8 import android.graphics.RectF;
   9 import android.text.TextPaint;
  10
  11 public class CalcHeaderCell extends CommonCanvasElement {
  12     private final TextPaint mTextPaint = new TextPaint();
  13
  14     private final Paint mFramePaint = new Paint();
  15     private final Paint mBgPaint = new Paint();
  16     private final RectF mBounds;
  17     private final Rect mTextBounds = new Rect();
  18     private final String mText;
  19
  20     public CalcHeaderCell(float left, float top, float width, float height, String text, boolean selected) {
  21         mBounds = new RectF(left, top, left + width, top + height);
  22
  23         mFramePaint.setStyle(Style.STROKE);
  24         mFramePaint.setColor(Color.BLACK);
  25
  26         mBgPaint.setStyle(Style.FILL);
  27         mBgPaint.setColor(Color.GRAY);
  28         // draw background more intensely when cell is selected
  29         if (selected) {
  30             mBgPaint.setAlpha(100);
  31         } else {
  32             mBgPaint.setAlpha(25);
  33         }
  34
  35         mTextPaint.setColor(Color.BLACK);
  36         mTextPaint.setTextSize(24f); // hard coded for now
  37         mTextPaint.setTextAlign(Paint.Align.CENTER);
  38         mText = text;
  39
  40         mTextPaint.getTextBounds(mText, 0, mText.length(), mTextBounds);
  41     }
  42
  43     /**
  44      * Implement hit test here
  45      *
  46      * @param x - x coordinate of the
  47      * @param y - y coordinate of the
  48      */
  49     @Override
  50     public boolean onHitTest(float x, float y) {
  51         return false;
  52     }
  53
  54     /**
  55      * Called inside draw if the element is visible. Override this method to
  56      * draw the element on the canvas.
  57      *
  58      * @param canvas - the canvas
  59      */
  60     @Override
  61     public void onDraw(Canvas canvas) {
  62         canvas.drawRect(mBounds, mBgPaint);
  63         canvas.drawRect(mBounds, mFramePaint);
  64         canvas.drawText(mText, mBounds.centerX(), mBounds.centerY() - mTextBounds.centerY(), mTextPaint);
  65     }
  66 }