Update src/main/java/no/uib/inf101/gridview/GridView.java

src/main/java/no/uib/inf101/gridview/GridView.java

 package no.uib.inf101.gridview;
 
-public class GridView {
-  // TODO: Implement this class
+ 
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import javax.swing.JPanel;
+import no.uib.inf101.colorgrid.CellColor;
+import no.uib.inf101.colorgrid.CellColorCollection;
+import no.uib.inf101.colorgrid.IColorGrid;
+import java.awt.geom.Rectangle2D;
+import java.util.List;
+import java.awt.Color;
+import no.uib.inf101.colorgrid.CellPosition;
+
+ 
+public class GridView extends JPanel{
+
+ 
+  //Field variables
+  IColorGrid grid;
+  private static final double OUTERMARGIN = 30;
+  private static final Color MARGINCOLOR = Color.LIGHT_GRAY;
+
+ 
+  //Constructor
+  public GridView(IColorGrid grid) {
+    this.setPreferredSize(new Dimension(400,300));
+    this.grid = grid;
+  }
+
+
+  @Override
+  public void paintComponent(Graphics g) {
+    super.paintComponent(g);
+    Graphics2D g2 = (Graphics2D) g;
+    drawGrid(g2);
+  }
+
+
+
+
+  private static void drawCells(Graphics2D g, CellColorCollection c, CellPositionToPixelConverter cp) {
+
+  List<CellColor> cellList = c.getCells();
+  for (CellColor cell : cellList) {
+    Color color = cell.color();
+    CellPosition pos = cell.cellPosition();
+    if (color==null) {
+      color = Color.DARK_GRAY;
+    }
+    Rectangle2D g2 = cp.getBoundsForCell(pos);
+    g.setColor(color);
+    g.fill(g2);
+  }
 }
+
+ 
+
+  public void drawGrid(Graphics2D g){
+    double width = this.getWidth() - 2 * OUTERMARGIN;
+    double height = this.getHeight() - 2 * OUTERMARGIN;
+    Rectangle2D g2 = new Rectangle2D.Double(OUTERMARGIN, OUTERMARGIN, width, height);
+
+    g.setColor(MARGINCOLOR);
+    g.fill(g2);
+
+    CellPositionToPixelConverter cp = new CellPositionToPixelConverter(g2, grid, OUTERMARGIN);
+    drawCells(g, grid, cp);
+  }
+
+