Thank you for answer. I use this code, wrote by another user to move my rect,
but there is a problem: rect create in my JSVGCanvas don't move but the
elements in svg file loaded yes...why? in my code i do
svgRoot.appendChild(elem)....:
public JButton getProva() {
if (prova == null) {
prova = new JButton();
prova.setBounds(new Rectangle(6, 139, 92, 31));
prova.setText("rect");
prova.addActionListener(new
java.awt.event.ActionListener() {
public void
actionPerformed(java.awt.event.ActionEvent e) {
JSVGCanvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(new
Runnable() {
public void run() {
SVGDocument doc
= JSVGCanvas.getSVGDocument();
JSVGCanvas.setDocument(doc);
SVGElement
svgRoot = doc.getRootElement();
Element elem =
doc.createElementNS(svgNS, "rect");
elem.setAttributeNS(null, "id", "bgrectangle");
elem.setAttributeNS(null, "x","200");
elem.setAttributeNS(null, "y","100");
elem.setAttributeNS(null, "width", "50");
elem.setAttributeNS(null, "height", "50");
elem.setAttributeNS(null, "pointer-events", "fill");
elem.setAttributeNS(null, "style", "fill:red;stroke:none");
svgRoot.appendChild(elem);
}
});
JSVGCanvas.repaint();
}
});
}
return prova;
}
private SVGPoint localPt(Element elem, int x, int y) {
SVGDocument svgDocument = JSVGCanvas.getSVGDocument();
SVGMatrix mat = ((SVGLocatable)elem).getScreenCTM();
SVGMatrix imat = mat.inverse();
SVGPoint cPt = svgDocument.getRootElement().createSVGPoint();
cPt.setX(x);
cPt.setY(y);
cPt = cPt.matrixTransform(imat);
return cPt;
}
private class OnDownAction implements EventListener {
public void handleEvent(Event evt) {
DOMMouseEvent elEvt = (DOMMouseEvent)evt;
actionNode = elEvt.getTarget();
action = DRAG;
Node n = ((Element)elEvt.getTarget()).getParentNode();
startPt = localPt((Element)n, elEvt.getClientX(),
elEvt.getClientY
());
dragged = false;
}
}
private class OnUpAction implements EventListener {
public void handleEvent(Event evt) {
if (actionNode != null) {
actionNode = null;
}
}
}
private class OnMoveAction implements EventListener {
public void handleEvent(Event evt) {
SVGDocument svgDocument = JSVGCanvas.getSVGDocument();
if (actionNode == null)return;
dragged = true;
DOMMouseEvent elEvt = (DOMMouseEvent)evt;
if (action == DRAG) {
Element ee = (Element)((Element)actionNode).getParentNode();
if (ee.getParentNode() != null && ee.getParentNode()
instanceof Element) {
SVGPoint pt = localPt((Element)ee.getParentNode(),
elEvt.getClientX(), elEvt.getClientY());
float dx = pt.getX() - startPt.getX();
float dy = pt.getY() - startPt.getY();
ee.setAttribute("transform", "translate(" + dx + ", " +
dy
+ ")");
}
}
}
}
/**
* This method initializes muovi
*
* @return javax.swing.JToggleButton
*/
private JToggleButton getMuovi() {
if (muovi == null) {
muovi = new JToggleButton();
muovi.setBounds(new Rectangle(6, 178, 94, 30));
muovi.setText("muovi");
muovi.addItemListener(new MuoviItemListener());
}
return muovi;
}
public class MuoviItemListener implements ItemListener {
public void itemStateChanged(ItemEvent e) {
int status = e.getStateChange();
if(status == ItemEvent.SELECTED){
SVGElement svgRoot =
JSVGCanvas.getSVGDocument().getRootElement();
EventTarget t = (EventTarget)svgRoot;
t.addEventListener("mousemove", new OnMoveAction(),
false);
t.addEventListener("mousedown", new OnDownAction(),
false);
t.addEventListener("mouseup", new OnUpAction(), false);
}
}
}
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