Example usage for org.w3c.dom.events Event CAPTURING_PHASE

Introduction

In this page you can find the example usage for org.w3c.dom.events Event CAPTURING_PHASE.

Prototype

short CAPTURING_PHASE

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Document

The current event phase is the capturing phase.

Usage

From source file:de.betterform.xml.xforms.action.AbstractAction.java

/**
 * This method is called whenever an event occurs of the type for which the
 * <code>EventListener</code> interface was registered.
 *
 * @param event The <code>Event</code> contains contextual information about
 *              the event. It also contains the <code>stopPropagation</code> and
 *              <code>preventDefault</code> methods which are used in determining the
 *              event's flow and default action.
 *//* w w  w  .  j av  a2 s.c om*/
public final void handleEvent(Event event) {
    try {
        if (event.getType().equals(this.eventType)) {
            boolean doPerform = false;

            if (this.propagate.equals("stop")) {
                event.stopPropagation();
            }
            if (this.defaultAction.equals("cancel")) {
                event.preventDefault();
            }

            if (getLogger().isTraceEnabled()) {
                String currentEventId = (((Element) event.getCurrentTarget()).getAttribute("id"));
                String targetEventId = (((Element) event.getTarget()).getAttribute("id"));
                LOGGER.trace(
                        "currentEventTargetId: '" + currentEventId + "' eventTargetId:'" + targetEventId + "'");

                getLogger().trace("handling event '" + this.eventType + "' target: "
                        + DOMUtil.getCanonicalPath(this.element) + "' Event Phase: (" + event.getEventPhase()
                        + ")");
            }

            if (getLogger().isDebugEnabled()) {
                switch (event.getEventPhase()) {
                case Event.CAPTURING_PHASE:
                    if (getLogger().isDebugEnabled()) {
                        getLogger().debug("CAPTURING PHASE");
                    }

                    break;
                case Event.AT_TARGET:
                    if (getLogger().isDebugEnabled()) {
                        getLogger().debug("AT_TARGET");
                    }

                    break;
                case Event.BUBBLING_PHASE:
                    if (getLogger().isDebugEnabled()) {
                        getLogger().debug("BUBBLING");
                    }
                    break;
                }
            }

            if (event.getEventPhase() == Event.CAPTURING_PHASE && this.phase.equals("capture")) {
                doPerform = true;
            } else if (event.getEventPhase() == Event.AT_TARGET) {
                doPerform = true;
            } else if (event.getEventPhase() == Event.BUBBLING_PHASE) {
                doPerform = true;
            }

            String targetEventId = (((Element) event.getTarget()).getAttribute("id"));
            if (!(this.eventTargetId.equals(""))) {
                if (event.getType().equals(this.eventType) && targetEventId.equals(this.eventTargetId)) {
                    doPerform = true;
                } else {
                    doPerform = false;
                }
            }

            if (doPerform) {
                performConditional(this.element);
            }
        }
    } catch (Exception e) {
        // handle exception, prevent default action and stop event propagation
        this.container.handleEventException(e);
        event.preventDefault();
        event.stopPropagation();
    }
}

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From source file:org.chiba.xml.xforms.action.AbstractAction.java

/**
 * This method is called whenever an event occurs of the type for which the
 * <code>EventListener</code> interface was registered.
 *
 * @param event The <code>Event</code> contains contextual information about
 * the event. It also contains the <code>stopPropagation</code> and
 * <code>preventDefault</code> methods which are used in determining the
 * event's flow and default action./*from w w  w  . ja v  a  2  s  .  c  om*/
 */
public final void handleEvent(Event event) {
    try {
        if (event.getType().equals(this.eventType)) {
            if (getLogger().isDebugEnabled()) {
                String phase = "";
                switch (event.getEventPhase()) {
                case Event.CAPTURING_PHASE:
                    phase = "capturing phase";
                    break;
                case Event.AT_TARGET:
                    phase = "at target";
                    break;
                case Event.BUBBLING_PHASE:
                    phase = "bubbling phase";
                    break;
                }
                getLogger().debug(this + " handling event '" + this.eventType + "' (" + phase + ")");
            }

            setEvent(event);

            if (event instanceof XMLEvent)
                eventContextInfo = ((XMLEvent) event).getContextInfo();

            performWhileAndIf(this.element);

        }
    } catch (Exception e) {
        // handle exception, prevent default action and stop event propagation
        this.container.handleEventException(e);
        event.preventDefault();
        event.stopPropagation();
    }
}

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From source file:org.fit.cssbox.scriptbox.dom.Html5DocumentImpl.java

/**
 * Dispatches event above Window object, which is then propagated into 
 * this document if Window was not the target.
 *//* w  w w.  j  av  a2s .c  om*/
@Override
protected boolean dispatchEvent(NodeImpl node, Event event) {
    if (!(event instanceof EventImpl)) {
        return false;
    }
    EventImpl evt = (EventImpl) event;

    // Initialize
    evt.target = node;
    evt.stopPropagation = false;
    evt.preventDefault = false;

    // Window capture phase
    evt.currentTarget = _window;
    evt.eventPhase = Event.CAPTURING_PHASE;
    _window.dispatchEventFromDocument(evt);

    if (!evt.stopPropagation) {
        super.dispatchEvent(node, evt);
    }

    // Window bubble phase
    if (!evt.stopPropagation && evt.bubbles) {
        evt.currentTarget = _window;
        evt.eventPhase = Event.BUBBLING_PHASE;
        _window.dispatchEventFromDocument(evt);
    }

    return evt.preventDefault;
}

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