/** if a button is pressed ... */
public void actionPerformed(ActionEvent evt) {
try {
String acmd = evt.getActionCommand();
if (acmd.equals(ACTION_CMD_PRINT)) {
this.chartPanel.createChartPrintJob();
} else if (acmd.equals(ACTION_CMD_SAVE_AS)) {
this.chartPanel.doSaveAs();
} else if (acmd.equals(ACTION_CMD_ZOOM_IN)) {
ChartRenderingInfo info = chartPanel.getChartRenderingInfo();
Rectangle2D rect = info.getChartArea();
chartPanel.setZoomInFactor(ZOOM_FACTOR);
chartPanel.zoomInDomain(rect.getCenterX(), rect.getCenterY());
} else if (acmd.equals(ACTION_CMD_ZOOM_OUT)) {
ChartRenderingInfo info = chartPanel.getChartRenderingInfo();
Rectangle2D rect = info.getChartArea();
chartPanel.setZoomOutFactor(1 / ZOOM_FACTOR);
chartPanel.zoomOutDomain(rect.getCenterX(), rect.getCenterY());
} else if (acmd.equals(ACTION_CMD_ZOOM_TO_FIT)) {
// X-axis (has no fixed borders)
chartPanel.restoreAutoBounds();
}
} catch (Exception e) {
e.printStackTrace();
}
}
/* (non-Javadoc)
* @see javax.swing.JComponent#paintComponent(java.awt.Graphics)
*/
@Override
public void paint(Graphics g) {
super.paint(g);
if (rect != null) {
Graphics2D g2d = (Graphics2D) g;
g2d.setColor(Color.RED);
adjustRect(rect);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setStroke(lineStroke);
if (boundings == null) {
boundings = new Rectangle[4];
if (entities == null) {
entities = new ArrayList<CategoryItemEntity>();
EntityCollection entCol = chartPanel.getChartRenderingInfo().getEntityCollection();
for (int i = 0; i < entCol.getEntityCount(); i++) {
ChartEntity ce = (ChartEntity) entCol.getEntity(i);
if (ce instanceof CategoryItemEntity) {
CategoryItemEntity cie = (CategoryItemEntity) ce;
Rectangle r = adjustRect(cie.getArea().getBounds());
if (r.height > maxHeight) {
maxHeight = (int) cie.getArea().getBounds().getHeight();
maxY = r.y;
}
entities.add(cie);
}
}
}
int half = (entities.size() - 1) / 2;
boundings[0] = getEntityPoint(entities, 0);
boundings[1] = getEntityPoint(entities, half);
boundings[2] = getEntityPoint(entities, half + 1);
boundings[3] = getEntityPoint(entities, entities.size() - 1);
int[] inxs = new int[] {0, half, half + 1, entities.size() - 1};
currEntities = new CategoryItemEntity[4];
for (int i = 0; i < inxs.length; i++) {
currEntities[i] = entities.get(inxs[i]);
}
}
for (Rectangle r : boundings) {
g.drawImage(
thumb.getImage(),
r.x - (thumb.getIconWidth() / 2) + 2,
r.y + r.height - thumb.getIconHeight(),
null);
}
int x = (int) ((double) boundings[0].x * 1); // chartPanel.getScaleX());
int w = (int) ((double) (boundings[1].x - boundings[0].x) * 1); // chartPanel.getScaleX());
// int y = (int)((double)maxY * chartPanel.getScaleY());
int h = (int) ((double) maxHeight * chartPanel.getScaleY());
g2d.setColor(new Color(255, 255, 255, 64));
g2d.fillRect(x + 2, maxY, w, h);
x = (int) ((double) boundings[2].x * 1); // chartPanel.getScaleX());
w = (int) ((double) (boundings[3].x - boundings[2].x) * 1); // chartPanel.getScaleX());
g2d.setColor(new Color(255, 255, 255, 64));
g2d.fillRect(x + 2, maxY, w, h);
}
}