@Nullable
private GraphElement overCell(MouseEvent e) {
int y = PositionUtil.getYInsideRow(e);
int x = e.getX();
GraphPrintCell row = getGraphPrintCell(e);
return row != null ? myGraphPainter.mouseOver(row, x, y) : null;
}
@Override
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 1) {
Node jumpToNode = arrowToNode(e);
if (jumpToNode != null) {
jumpToRow(jumpToNode.getRowIndex());
return;
}
GraphElement graphElement = overCell(e);
myUI.click(graphElement);
if (graphElement == null) {
myUI.click(PositionUtil.getRowIndex(e));
}
}
myTableListener.onClick(e, e.getClickCount());
}
@Nullable
private Node arrowToNode(MouseEvent e) {
int y = PositionUtil.getYInsideRow(e);
int x = e.getX();
GraphPrintCell row = getGraphPrintCell(e);
if (row == null) {
return null;
}
SpecialPrintElement printElement = myGraphPainter.mouseOverArrow(row, x, y);
if (printElement == null) {
return null;
}
Edge edge = printElement.getGraphElement().getEdge();
if (edge == null) {
return null;
}
return printElement.getType() == SpecialPrintElement.Type.DOWN_ARROW
? edge.getDownNode()
: edge.getUpNode();
}
@Nullable
private GraphPrintCell getGraphPrintCell(MouseEvent e) {
int rowIndex = PositionUtil.getRowIndex(e);
return getGraphPrintCellForRow(getModel(), rowIndex);
}