Examples of org.w3c.dom.events.EventTarget

org.w3c.dom.events.EventTarget
The EventTarget interface is implemented by all Nodes in an implementation which supports the DOM Event Model. The interface allows registration and removal of EventListeners on an EventTarget and dispatch of events to that EventTarget . @since DOM Level 2

     * To handle the element attributes modification in the associated
     * document.
     */
    protected class DOMAttrModifiedListener implements EventListener {
        public void handleEvent(Event evt) {
            EventTarget et = evt.getTarget();
            if (!(et instanceof CSSStylableElement)) {
                // Not a stylable element.
                return;
            }

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        /**
         * Sets the tool tip on the input element.
         */
        public void setToolTip(Element elt, String toolTip){
            EventTarget target = (EventTarget)elt;
            elt.normalize();


            // On mouseover, set the tooltip to the title value
            target.addEventListener(SVGConstants.SVG_EVENT_MOUSEOVER,
                                    new ToolTipModifier(toolTip),
                                    false);


            // On mouseout, remove the tooltip
            target.addEventListener(SVGConstants.SVG_EVENT_MOUSEOUT,
                                    new ToolTipModifier(null),
                                    false);


            if (locationListener == null) {
                locationListener = new LocationListener();

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        // Add the scripting listeners.
        addScriptingListeners(document.getDocumentElement());


        // Add the listeners responsible of updating the event attributes
        EventTarget et = (EventTarget)document;
        domNodeInsertedListener = new DOMNodeInsertedListener();
        et.addEventListener("DOMNodeInserted",
                            domNodeInsertedListener,
                            false);
        domNodeRemovedListener = new DOMNodeRemovedListener();
        et.addEventListener("DOMAttrRemoved",
                            domNodeRemovedListener,
                            false);
    }

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        timer.cancel();
        // Remove the scripting listeners.
        removeScriptingListeners(document.getDocumentElement());


        // Remove the listeners responsible of updating the event attributes
        EventTarget et = (EventTarget)document;
        et.removeEventListener("DOMNodeInserted",
                               domNodeInsertedListener,
                               false);
        et.removeEventListener("DOMAttrRemoved",
                               domNodeRemovedListener,
                               false);
    }

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     */
    protected void addScriptingListeners(Node node) {
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            // Attach the listeners
            Element elt = (Element)node;
            EventTarget target = (EventTarget)elt;
            if (SVGConstants.SVG_NAMESPACE_URI.equals(elt.getNamespaceURI())) {
                if (SVGConstants.SVG_SVG_TAG.equals(elt.getLocalName())) {
                    // <svg> listeners
                    if (elt.hasAttributeNS(null, "onabort")) {
                        target.addEventListener("SVGAbort",
                                                svgAbortListener, false);
                    }
                    if (elt.hasAttributeNS(null, "onerror")) {
                        target.addEventListener("SVGError",
                                                svgErrorListener, false);
                    }
                    if (elt.hasAttributeNS(null, "onresize")) {
                        target.addEventListener("SVGResize",
                                                svgResizeListener, false);
                    }
                    if (elt.hasAttributeNS(null, "onscroll")) {
                        target.addEventListener("SVGScroll",
                                            svgScrollListener, false);
                    }
                    if (elt.hasAttributeNS(null, "onunload")) {
                        target.addEventListener("SVGUnload",
                                                svgUnloadListener, false);
                    }
                    if (elt.hasAttributeNS(null, "onzoom")) {
                        target.addEventListener("SVGZoom",
                                                svgZoomListener, false);
                    }
                } else {
                    String name = elt.getLocalName();
                    if (name.equals(SVGConstants.SVG_SET_TAG) ||
                        name.startsWith("animate")) {
                        // animation listeners
                        if (elt.hasAttributeNS(null, "onbegin")) {
                            target.addEventListener("beginEvent",
                                                    beginListener ,
                                                    false);
                        }
                        if (elt.hasAttributeNS(null, "onend")) {
                            target.addEventListener("endEvent",
                                                    endListener,
                                                    false);
                        }
                        if (elt.hasAttributeNS(null, "onrepeat")) {
                            target.addEventListener("repeatEvent",
                                                    repeatListener ,
                                                    false);
                        }
                        return;
                    }
                }
            }


            // UI listeners
            if (elt.hasAttributeNS(null, "onfocusin")) {
                target.addEventListener("DOMFocusIn", focusinListener, false);
            }
            if (elt.hasAttributeNS(null, "onfocusout")) {
                target.addEventListener("DOMFocusOut", focusoutListener, false);
            }
            if (elt.hasAttributeNS(null, "onactivate")) {
                target.addEventListener("DOMActivate", activateListener, false);
            }
            if (elt.hasAttributeNS(null, "onclick")) {
                target.addEventListener("click", clickListener, false);
            } 
            if (elt.hasAttributeNS(null, "onmousedown")) {
                target.addEventListener("mousedown", mousedownListener, false);
            }
            if (elt.hasAttributeNS(null, "onmouseup")) {
                target.addEventListener("mouseup", mouseupListener, false);
            }
            if (elt.hasAttributeNS(null, "onmouseover")) {
                target.addEventListener("mouseover", mouseoverListener, false);
            }
            if (elt.hasAttributeNS(null, "onmouseout")) {
                target.addEventListener("mouseout", mouseoutListener, false);
            }
            if (elt.hasAttributeNS(null, "onmousemove")) {
                target.addEventListener("mousemove", mousemoveListener, false);
            }
        }


        // Adds the listeners to the children
        for (Node n = node.getFirstChild();

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     */
    protected void removeScriptingListeners(Node node) {
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            // Detach the listeners
            Element elt = (Element)node;
            EventTarget target = (EventTarget)elt;
            if (SVGConstants.SVG_NAMESPACE_URI.equals(elt.getNamespaceURI())) {
                if (SVGConstants.SVG_SVG_TAG.equals(elt.getLocalName())) {
                    // <svg> listeners
                    target.removeEventListener("SVGAbort",
                                               svgAbortListener, false);
                    target.removeEventListener("SVGError",
                                               svgErrorListener, false);
                    target.removeEventListener("SVGResize",
                                               svgResizeListener, false);
                    target.removeEventListener("SVGScroll",
                                               svgScrollListener, false);
                    target.removeEventListener("SVGUnload",
                                               svgUnloadListener, false);
                    target.removeEventListener("SVGZoom",
                                               svgZoomListener, false);
                } else {
                    String name = elt.getLocalName();
                    if (name.equals(SVGConstants.SVG_SET_TAG) ||
                        name.startsWith("animate")) {
                        // animation listeners
                        target.removeEventListener("beginEvent",
                                                   beginListener ,
                                                   false);
                        target.removeEventListener("endEvent",
                                                   endListener,
                                                   false);
                        target.removeEventListener("repeatEvent",
                                                   repeatListener ,
                                                   false);
                        return;
                    }
                }
            }


            // UI listeners
            target.removeEventListener("DOMFocusIn", focusinListener, false);
            target.removeEventListener("DOMFocusOut", focusoutListener, false);
            target.removeEventListener("DOMActivate", activateListener, false);
            target.removeEventListener("click", clickListener, false);
            target.removeEventListener("mousedown", mousedownListener, false);
            target.removeEventListener("mouseup", mouseupListener, false);
            target.removeEventListener("mouseover", mouseoverListener, false);
            target.removeEventListener("mouseout", mouseoutListener, false);
            target.removeEventListener("mousemove", mousemoveListener, false);
        }


        // Removes the listeners from the children
        for (Node n = node.getFirstChild();
             n != null;

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        Event ev;
        DocumentEvent de = (DocumentEvent)elt.getOwnerDocument();
        ev = de.createEvent("SVGEvents");
        ev.initEvent("SVGLoad", false, false);
        EventTarget t = (EventTarget)elt;


        final String s =
            elt.getAttributeNS(null, SVGConstants.SVG_ONLOAD_ATTRIBUTE);
        if (s.length() == 0) {
            // No script to run so just dispatch the event to DOM
            // (For java presumably).
            t.dispatchEvent(ev);
            return;
        }


        final Interpreter interp = getInterpreter();
        if (interp == null) {
            // Can't load interpreter so just dispatch normal event
            // to the DOM (for java presumably).
            t.dispatchEvent(ev);
            return;
        }


        if (checkCanRun) {
            // Check that it is ok to run embeded scripts
            checkCompatibleScriptURL(lang, docPURL);
            checkCanRun = false; // we only check once for onload handlers
        }


        DocumentLoader dl = bridgeContext.getDocumentLoader();
        SVGDocument d = (SVGDocument)elt.getOwnerDocument();
        int line = dl.getLineNumber(elt);
        final String desc = Messages.formatMessage
            (EVENT_SCRIPT_DESCRIPTION,
             new Object [] {d.getURL(),
                            SVGConstants.SVG_ONLOAD_ATTRIBUTE, 
                            new Integer(line)});


        EventListener l = new EventListener() {
                public void handleEvent(Event evt) {
                    try {
                        interp.bindObject(EVENT_NAME, evt);
                        interp.bindObject(ALTERNATE_EVENT_NAME, evt);
                        interp.evaluate(new StringReader(s), desc);
                    } catch (IOException io) {
                    } catch (InterpreterException e) {
                        handleInterpreterException(e);
                    }
                }
            };
        t.addEventListener("SVGLoad", l, false);
        t.dispatchEvent(ev);
        t.removeEventListener("SVGLoad", l, false);
    }

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            permissions[2][1] = new SocketPermission(docHost, "resolve");
        } else {
            permissions = basePermissions;
        }


        EventTarget root = (EventTarget)document.getDocumentElement();
        root.addEventListener("SVGLoad", new EventListener() {
                public void handleEvent(Event evt){
                    SecurityManager sm = System.getSecurityManager();
                    int successCnt = 0;
                    Vector unexpectedDenial = new Vector();
                    int unexpectedDenialCnt = 0;

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            permissions = basePermissions;
        }


        final int nGranted = nGrantedTmp;


        EventTarget root = (EventTarget)document.getDocumentElement();
        root.addEventListener("SVGLoad", new EventListener() {
                public void handleEvent(Event evt){
                    SecurityManager sm = System.getSecurityManager();
                    int successCnt = 0;
                    Vector unexpectedGrants = new Vector();
                    Vector unexpectedDenial = new Vector();

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    protected void dispatchSVGDocEvent(String eventType) {
        SVGSVGElement root =
            (SVGSVGElement)document.getDocumentElement();
        // Event is dispatched on outermost SVG element.
        EventTarget t = root;


        DocumentEvent de = (DocumentEvent)document;
        Event ev = de.createEvent("SVGEvents");
        ev.initEvent(eventType, false, false);
        t.dispatchEvent(ev);
    }

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