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FirefighterGrid.java 2.96 KiB
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    package view;
    
    
    import javafx.scene.canvas.Canvas;
    import javafx.scene.paint.Color;
    import javafx.util.Pair;
    
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    import util.Position;
    
    
    import java.util.List;
    
    public class FirefighterGrid extends Canvas implements Grid<ViewElement>{
    
        private void paintElementAtPosition(ViewElement element, Position position) {
            paintSquare(position.row(), position.column(), element.color);
        }
        private int squareWidth;
        private int squareHeight;
        private int columnCount;
        private int rowCount;
    
        @Override
        public void repaint(List<Pair<Position, ViewElement>> positionedElements) {
    
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            clear(positionedElements);
    
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            paint(positionedElements);
            paintLines();
        }
    
    
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        private void clear(List<Pair<Position, ViewElement>> positionedElements) {
            for (Pair<Position, ViewElement> positionElement : positionedElements) {
                Position position = positionElement.getKey();
                clearSquare(position.row(), position.column());
            }
        }
    
    
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        private void paint(List<Pair<Position, ViewElement>> positionedElements) {
    
            for(Pair<Position, ViewElement> pair : positionedElements){
                paintElementAtPosition(pair.getValue(), pair.getKey());
            }
        }
    
        @Override
        public void repaint(ViewElement[][] elements) {
    
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            clear();
    
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            paint(elements);
            paintLines();
        }
    
    
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        private void clear() {
            getGraphicsContext2D().clearRect(0,0,getWidth(), getHeight());
        }
    
    
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        private void paint(ViewElement[][] elements) {
    
            for(int column = 0; column < columnCount; column++)
                for(int row = 0; row < rowCount; row++){
                    paintElementAtPosition(elements[row][column], new Position(row, column));
                }
        }
    
    
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        public int columnCount() {
    
            return columnCount;
        }
    
    
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        public int rowCount() {
    
            return rowCount;
        }
    
    
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        @Override
        public void setDimensions(int columnCount, int rowCount, int squareWidth, int squareHeight) {
    
            this.squareWidth = squareWidth;
            this.squareHeight = squareHeight;
            this.columnCount = columnCount;
            this.rowCount = rowCount;
        }
    
        private void paintLines(){
    
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            paintHorizontalLines();
            paintVerticalLines();
        }
    
        private void paintVerticalLines() {
            for(int column = 0; column < columnCount; column++)
                getGraphicsContext2D().strokeLine(column*squareWidth, 0,column*squareWidth, getHeight());
        }
    
        private void paintHorizontalLines() {
            for(int row = 0; row < rowCount; row++)
                getGraphicsContext2D().strokeLine(0, row*squareHeight, getWidth(), row*squareHeight);
    
        }
    
        private void paintSquare(int row, int column, Color color){
            getGraphicsContext2D().setFill(color);
            getGraphicsContext2D().fillRect(row*squareHeight,column*squareWidth,squareHeight,squareWidth);
        }
    
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        private void clearSquare(int row, int column){
            getGraphicsContext2D().clearRect(row*squareHeight,column*squareWidth,squareHeight,squareWidth);
        }