@Override
public void onMouseDown(final MouseDownEvent event) {
VConsole.log("onMouseDown");
extractSelection();
removeSelectionBox();
if (currentKeyModifiers.contains(KeyCodes.KEY_CTRL)) {
selectionBox.setSelectionBoxStartX(event.getX());
selectionBox.setSelectionBoxStartY(event.getY());
selectionBox.setSelectionBoxVisible(true);
VConsole.log(
"onMouseDown - selection started:"
+ selectionBox.getSelectionBoxStartX()
+ ","
+ selectionBox.getSelectionBoxStartY());
} else if (event.getSource() instanceof VNode) {
onMove = false;
} else if (event.getSource() instanceof DrawingArea) {
onMove = true;
startX = event.getX();
startY = event.getY();
VConsole.log("onMouseDown - moving");
} else {
VConsole.error("onMouseDown - UNKNOWN STATE");
}
}
private void removeSelectionBox() {
if (selectionBox.isSelectionBoxVisible()) {
canvas.remove(selectionBox);
selectionBox.setSelectionBoxVisible(false);
VConsole.log("selection box removed from canvas");
selectionBox.setSelectionBoxRightHandSide(true);
}
}
private void extractSelection() {
final int x1 = selectionBox.getSelectionBoxStartX();
final int y1 = selectionBox.getSelectionBoxStartY();
if (selectionBox.isSelectionBoxVisible()) {
final int x2 = x1 + selectionBox.getWidth();
final int y2 = y1 + selectionBox.getHeight();
VConsole.log("selectNodesAndEdgesInTheBox: " + x1 + "," + y1 + " " + x2 + "," + y2);
selectNodesAndEdgesInTheBox(x1, y1, x2, y2);
}
}
private void paintGraph() {
selectionBox.setSelectionBoxVisible(false);
fps = 1f / ((System.currentTimeMillis() - paintStartTime) / 1000f);
paintStartTime = System.currentTimeMillis();
if (showInfo) {
if (info != null) {
canvas.remove(info);
}
canvas.add(info = getInfo());
}
}
@Override
public void onMouseMove(final MouseMoveEvent event) {
final int currentX = event.getX();
final int currentY = event.getY();
if (selectionBox.isSelectionBoxVisible()) {
selectionBox.drawSelectionBox(canvas, currentX, currentY);
} else if (graph.getMovedShape() != null) {
final VNode moved = graph.getMovedShape();
moved.moveNode(currentX, currentY);
} else if (onLink) {
if (linkLine != null) {
canvas.remove(linkLine);
}
linkLine = getLinkLine(currentX, currentY);
canvas.add(linkLine);
} else if (onMove && event.getSource().equals(canvas)) {
graph.moveGraph(startX - currentX, startY - currentY);
startX = currentX;
startY = currentY;
}
}