Giacomo Bertolazzi
7f16252890
* Implemented MatrixGraph * Changed save/load logics (test not passing)
43 lines
1.8 KiB
Java
43 lines
1.8 KiB
Java
package berack96.lib.graph.view.vertex;
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import berack96.lib.graph.view.GraphicalView;
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import java.awt.*;
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public class VertexView<V> implements GraphicalView<VertexComponent<V>> {
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private static final Font FONT = new Font("Comic Sans MS", Font.BOLD, 17);
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private static final int PADDING = 6;
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@Override
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public Rectangle getBox(VertexComponent<V> obj, Point center) {
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FontMetrics metrics = obj.getFontMetrics(FONT);
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int stringPixels = metrics.stringWidth(obj.vertex.getValue().toString());
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int size = Math.max(stringPixels, metrics.getHeight()) + 2 * PADDING;
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return new Rectangle(center.x - size / 2, center.y - size / 2, size, size);
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}
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@Override
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public void paint(Graphics2D g2, VertexComponent<V> obj, Point center) {
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boolean discovered = obj.vertex.getMarks().contains("discovered");
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boolean visited = obj.vertex.getMarks().contains("visited");
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boolean selected = obj.vertex.getMarks().contains("selected");
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FontMetrics metrics = obj.getFontMetrics(FONT);
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int stringPixels = metrics.stringWidth(obj.vertex.getValue().toString());
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int size = Math.max(stringPixels, metrics.getHeight()) + 2 * PADDING;
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center.x = center.x - size / 2;
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center.y = center.y - size / 2;
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g2.setFont(FONT);
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g2.setColor(visited || selected ? Color.RED : Color.ORANGE);
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g2.fillOval(center.x, center.y, size, size);
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g2.setColor(visited || discovered || selected ? Color.ORANGE : Color.YELLOW);
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g2.fillOval(center.x + PADDING / 2, center.y + PADDING / 2, size - PADDING, size - PADDING);
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g2.setColor(Color.BLACK);
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g2.drawString(obj.vertex.getValue().toString(), center.x + PADDING + (size - 2 * PADDING - stringPixels) / 2, center.y + (size) / 2 + PADDING);
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}
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}
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