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


        /**
         * 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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        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);
        EventListener l = null;
        if (s.length() > 0) {
            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));
                        } catch (IOException io) {
                        } catch (InterpreterException e) {
                            handleInterpreterException(e);
                        }
                    }
                };
            t.addEventListener("SVGLoad", l, false);
        }
        t.dispatchEvent(ev);
        if (s.length() > 0) {
            t.removeEventListener("SVGLoad", l, false);
        }
    }

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        // add a listener on the outermost svg element of the SVG image.
        // if an event occured inside the SVG image document, send it
        // to the <image> element (inside the original document).
        if (ctx.isDynamic()) {
            EventListener listener = new ForwardEventListener(svgElement, e);
            EventTarget target = (EventTarget)svgElement;
            target.addEventListener(SVG_EVENT_CLICK, listener, false);
            target.addEventListener(SVG_EVENT_MOUSEOVER, listener, false);
            target.addEventListener(SVG_EVENT_MOUSEOUT, listener, false);
        }


        return result;
    }

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     * will be added.
     * @param node the <code>GraphicsNode</code>.
     */
    public static void addDOMListener(BridgeContext ctx, Element eee) {
        SVGElement element = null;
        EventTarget target = null;
        try {
            element = (SVGElement)eee;
            // ability for scripts to be called
            target = (EventTarget)element;
        } catch (ClassCastException e) {

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                                  Element e,
                                  GraphicsNode node) {


        super.buildGraphicsNode(ctx, e, node);


        EventTarget target = (EventTarget)e;


        target.addEventListener(SVG_EVENT_CLICK,
                                new AnchorListener(ctx.getUserAgent()),
                                false);


        target.addEventListener(SVG_EVENT_MOUSEOVER,
                                new CursorMouseOverListener(ctx.getUserAgent()),
                                false);


        target.addEventListener(SVG_EVENT_MOUSEOUT,
                                new CursorMouseOutListener(ctx.getUserAgent()),
                                false);
    }

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            // compute screen coordinates
            GraphicsNode node = evt.getGraphicsNode();
            Element elmt = context.getElement(node);
            if (elmt == null) // should not appeared if binding on
                return;
            EventTarget target = (EventTarget)elmt;
            // <!> TODO dispatch it only if pointers-event property ask for
            short button = 1;
            if ((evt.BUTTON1_MASK & evt.getModifiers()) != 0)
                button = 0;
            else
                if ((evt.BUTTON3_MASK & evt.getModifiers()) != 0)
                    button = 2;
            MouseEvent mevent = (MouseEvent)
                // DOM Level 2 6.5 cast from Document to DocumentEvent is ok
                ((DocumentEvent)elmt.getOwnerDocument()).createEvent("MouseEvents");
            // deal with the related node/target
            node = evt.getRelatedNode();
            EventTarget relatedTarget =
                (EventTarget)context.getElement(node);
            mevent.initMouseEvent(eventType, true, cancelok, null,
                                  evt.getClickCount(),
                                  screen.x, screen.y,
                                  (int)Math.floor(pos.getX()),

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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);
        EventListener l = null;
        if (s.length() > 0) {
            if (checkCanRun) {
                // Check that it is ok to run embeded scripts
                checkCompatibleScriptURL(lang, docPURL);
                checkCanRun = false; // we only check once for onload handlers
            }


            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));
                        } catch (IOException io) {
                        } catch (InterpreterException e) {
                            handleInterpreterException(e);
                        }
                    }
                };
            t.addEventListener("SVGLoad", l, false);
        }
        t.dispatchEvent(ev);
        if (s.length() > 0) {
            t.removeEventListener("SVGLoad", l, false);
        }
    }

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    protected void initializeDynamicSupport(BridgeContext ctx,
                                            Element e,
                                            GraphicsNode node) {
        super.initializeDynamicSupport(ctx,e,node);


        EventTarget evtTarget = (EventTarget)e;


        //to be notified when a child is removed from the 
        //<text> element.
        evtTarget.addEventListener("DOMNodeRemoved",
                                   childNodeRemovedEventListener,
                                   true);
        //to be notified when the modification of the subtree
        //of the <text> element is done
        evtTarget.addEventListener("DOMSubtreeModified",
                                   subtreeModifiedEventListener,
                                   false);
    }

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    /**
     * Invoked when an MutationEvent of type 'DOMNodeInserted' is fired.
     */
    public void handleDOMNodeRemovedEvent(MutationEvent evt){


        EventTarget evtTarget = (EventTarget)evt.getTarget();


        evtTarget.removeEventListener("DOMNodeRemoved",
                                   childNodeRemovedEventListener,
                                   true);
        evtTarget.removeEventListener("DOMSubtreeModified",
                                   subtreeModifiedEventListener,
                                   false);


        super.handleDOMNodeRemovedEvent(evt);
    }

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                        }
                        Map m = getAttributeMap(ctx, nodeElement, textPath);
                        asb.append(s, m);
                    }
                } else if (ln.equals(SVG_A_TAG)) {
                    EventTarget target = (EventTarget)nodeElement;
                    UserAgent ua = ctx.getUserAgent();
                    target.addEventListener
                        (SVG_EVENT_CLICK, 
                         new SVGAElementBridge.AnchorListener(ua),
                         false);
                    
                    target.addEventListener
                        (SVG_EVENT_MOUSEOVER,
                         new SVGAElementBridge.CursorMouseOverListener(ua),
                         false);
                    
                    target.addEventListener
                        (SVG_EVENT_MOUSEOUT,
                         new SVGAElementBridge.CursorMouseOutListener(ua),
                         false);
                    fillAttributedStringBuffer(ctx,
                                               nodeElement,

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