GuiUtil.java

package com.roboclub.robobuggy.ui;

import com.roboclub.robobuggy.main.RobobuggyLogicNotification;
import com.roboclub.robobuggy.main.RobobuggyMessageLevel;

import java.awt.Component;
import java.awt.Container;

/**
 * This is a helper class for the gui containing commonly used gui related helper function
 *
 * @author Trevor Decker
 */
public class GuiUtil {

    /**
     * This functions splits the current {@link Gui} pane into the given
     * number of rows and columns
     *
     * @param rows     number of rows
     * @param cols     number of columns
     * @param startRow the row to start populating
     * @param startCol the column to start populating
     * @param stopRow  the row to stop populating at
     * @param stopCol  the column to stop populating at
     * @param comp     the component you are making a subplot of
     * @param pane     the container containing the objects to draw
     */
    public static void subPlot(int rows, int cols, int startRow, int startCol,
                               int stopRow, int stopCol, Component comp, Container pane) {
        pane.setLayout(null);


        //report errors if something is wrong
        if (startRow > stopRow) {
            new RobobuggyLogicNotification("gui start row is after end row", RobobuggyMessageLevel.EXCEPTION);
        }

        if (startCol > stopCol) {
            new RobobuggyLogicNotification("gui start col is after end col", RobobuggyMessageLevel.EXCEPTION);
        }

        if (startCol >= cols) {
            new RobobuggyLogicNotification("gui start col is larger then cols", RobobuggyMessageLevel.EXCEPTION);
        }

        if (startRow >= rows) {
            new RobobuggyLogicNotification("gui start row is larger then rows", RobobuggyMessageLevel.EXCEPTION);
        }

        if (stopCol >= cols) {
            new RobobuggyLogicNotification("gui stop col is larger then cols", RobobuggyMessageLevel.EXCEPTION);
        }

        if (stopRow >= rows) {
            new RobobuggyLogicNotification("gui stop row is larger then rows", RobobuggyMessageLevel.EXCEPTION);
        }

        if (startCol < 0) {
            new RobobuggyLogicNotification("gui start col is less then 0", RobobuggyMessageLevel.EXCEPTION);
        }

        if (startRow < 0) {
            new RobobuggyLogicNotification("gui start row is less then 0", RobobuggyMessageLevel.EXCEPTION);
        }

        if (stopCol < 0) {
            new RobobuggyLogicNotification("gui stop col is less then 0", RobobuggyMessageLevel.EXCEPTION);
        }

        if (stopRow < 0) {
            new RobobuggyLogicNotification("gui stop row is less then 0", RobobuggyMessageLevel.EXCEPTION);
        }

        stopRow = stopRow + 1;
        stopCol = stopCol + 1;
        double widthInCols = stopCol - startCol;
        double heightInRows = stopRow - startRow;
        double frameWidth = pane.getSize().getWidth();
        double frameHeight = pane.getSize().getHeight();


        double widthPerColumn = frameWidth / cols;
        double heightPerRow = frameHeight / rows;
        double width = widthInCols * widthPerColumn;
        double height = heightInRows * heightPerRow;
        double startX = widthPerColumn * startCol;
        double startY = heightPerRow * startRow;

        comp.setBounds((int) startX, (int) startY, (int) width, (int) height);
        pane.add(comp);
    }


}