@Override
public void layout() {
int y = 2;
int width = getWidth();
int itemCount = getItemCount();
for (int i = 0; i < itemCount; i++) {
VertexItem item = getItem(i);
int itemHeight = (item.isHairline()) ? 0 : 2;
item.setBounds(0, y, width, itemHeight);
y += itemHeight;
}
setHeight(y + 2);
super.layout();
}
public void paint(
Graphics2D g2, TreePath treePath, CanvasRendererContext rendererContext, int graphY) {
boolean selected = rendererContext.isSelected(treePath, this);
int step = rendererContext.getStep();
int x0 = rendererContext.getGraphX() + getX() * step;
int y0 = graphY + getY() * step;
int width = getWidth() * step;
int height = getHeight() * step;
double tx = x0 + 0.5;
double ty = y0 + 0.5;
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
g2.translate(tx, ty);
RRectangle rrect = new RRectangle(0, 0, width, step * 2, step, step, 0.0, 0.0);
g2.setPaint(Color.WHITE);
int y = step * 2;
int h = height - y;
g2.fillRect(0, y, width, h);
g2.setPaint(
new TexturePaint(MapperStyle.GRADIENT_TEXTURE, new Rectangle(0, 0, width, step * 2)));
g2.fill(rrect);
Icon icon = getIcon();
int textX = step;
if (icon != null) {
double tx2 = step - 0.5;
double ty2 = step - 0.5 - icon.getIconHeight() / 2 + 1;
g2.translate(tx2, ty2);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
icon.paintIcon(rendererContext.getCanvas(), g2, 0, 0);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
g2.translate(-tx2, -ty2);
textX += icon.getIconWidth() + 4;
}
g2.translate(-tx, -ty);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
String name = getName();
if (name != null) {
int labelWidth = width - textX - step - 1;
if (labelWidth > 0) {
int labelX = x0 + textX;
int labelY = y0 + 1;
int labelHeight = step * 2 - 1;
JLabel label = rendererContext.getTextRenderer();
label.setBounds(0, 0, labelWidth, labelHeight);
label.setForeground(MapperStyle.ICON_COLOR);
label.setText(name);
label.setHorizontalAlignment(JLabel.LEFT);
label.setFont(label.getFont().deriveFont(Font.PLAIN));
g2.translate(labelX, labelY);
label.paint(g2);
g2.translate(-labelX, -labelY);
}
}
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
g2.translate(tx, ty);
Stroke oldStroke = g2.getStroke();
g2.setPaint(MapperStyle.VERTEX_BORDER_COLOR);
for (int i = 2; i < getHeight(); i += 2) {
y = i * step;
g2.drawLine(0, y, width - 1, y);
}
rrect.setBounds(0, 0, width, height);
if (selected) {
g2.setStroke(MapperStyle.SELECTION_STROKE);
g2.setPaint(MapperStyle.SELECTION_COLOR);
g2.draw(rrect);
} else {
g2.setPaint(MapperStyle.VERTEX_BORDER_COLOR);
g2.draw(rrect);
}
g2.fill(new Triangle(width - step, height, width, height - step, width, height));
g2.setStroke(oldStroke);
g2.translate(-tx, -ty);
g2.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
for (int i = getItemCount() - 1; i >= 0; i--) {
VertexItem item = getItem(i);
item.paintTargetPin(g2, treePath, rendererContext, graphY);
if (!item.isHairline()) {
item.paint(g2, treePath, rendererContext, graphY);
}
}
paintSourcePin(g2, treePath, rendererContext, graphY);
String resultText = getResultText();
if (resultText != null) {
JLabel label = rendererContext.getTextRenderer();
int labelWidth = width - 5 - step;
if (labelWidth > 0) {
int labelHeight = 2 * step - 1;
int labelX = x0 + 3;
int labelY = y0 + height - labelHeight;
label.setHorizontalAlignment(JLabel.RIGHT);
label.setText(resultText);
label.setFont(label.getFont().deriveFont(Font.PLAIN));
label.setForeground(MapperStyle.FUNCTION_RESULT_TEXT_COLOR);
label.setBounds(0, 0, labelWidth, labelHeight);
g2.translate(labelX, labelY);
label.paint(g2);
g2.translate(-labelX, -labelY);
}
}
}