Example usage for com.google.gwt.user.client DOM eventGetTarget

Introduction

In this page you can find the example usage for com.google.gwt.user.client DOM eventGetTarget.

Prototype

public static Element eventGetTarget(Event evt) 

Source Link

Document

Returns the element that was the actual target of the given event.

Usage

From source file:asquare.gwt.debug.client.DebugElementDumpInspector.java

License:Apache License

@Override
protected void doEvent(Event event) {
    Element target = DOM.eventGetTarget(event);
    Debug.dump(target);
}

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From source file:asquare.gwt.debug.client.DebugHierarchyInspector.java

License:Apache License

@Override
protected void doEvent(Event event) {
    Element target = DOM.eventGetTarget(event);
    printHierarchy(target, this);
}

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From source file:asquare.gwt.debug.client.DebugUtil.java

License:Apache License

/**
 * Creates a human readable String describing the specified event.
 * /*from  www  . j a  v a  2s .c  o m*/
 * @param event an {@link Event}
 * @return a String describing the <code>event</code>, or
 *         <code>"null"</code> if <code>event</code> is null
 */
public static String prettyPrintEvent(Event event) {
    if (event == null)
        return String.valueOf(event);

    switch (DOM.eventGetType(event)) {
    case Event.ONKEYDOWN:
        return "event[type=onKeyDown," + createKeyString(event) + "]";

    case Event.ONKEYUP:
        return "event[type=onKeyUp," + createKeyString(event) + "]";

    case Event.ONKEYPRESS:
        return "event[type=onKeyPress," + createKeyString(event) + "]";

    case Event.ONCHANGE:
        return "event[type=onChange,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONFOCUS:
        return "event[type=onFocus,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONBLUR:
        return "event[type=onBlur,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONCLICK:
        return "event[type=onClick,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONDBLCLICK:
        return "event[type=onDblClick,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONERROR:
        return "event[type=onError,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONLOAD:
        return "event[type=onLoad,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONLOSECAPTURE:
        return "event[type=onLoseCapture,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    case Event.ONMOUSEDOWN:
        return "event[type=onMouseDown," + createMouseString(event) + "]";

    case Event.ONMOUSEUP:
        return "event[type=onMouseUp," + createMouseString(event) + "]";

    case Event.ONMOUSEOVER:
        return "event[type=onMouseOver," + createMouseString(event) + "]";

    case Event.ONMOUSEOUT:
        return "event[type=onMouseOut," + createMouseString(event) + "]";

    case Event.ONMOUSEMOVE:
        return "event[type=onMouseMove," + createMouseString(event) + "]";

    case Event.ONMOUSEWHEEL:
        return "event[type=onMouseWheel," + createMouseString(event) + "]";

    case Event.ONSCROLL:
        return "event[type=onScroll,target=" + getTagName(DOM.eventGetTarget(event)) + "]";

    default:
        return DOM.eventToString(event);
    }
}

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From source file:asquare.gwt.debug.client.DebugUtil.java

License:Apache License

private static String createKeyString(Event event) {
    return "char=" + (char) DOM.eventGetKeyCode(event) + ",keyCode=" + DOM.eventGetKeyCode(event)
            + ",modifiers=" + createModifiersString(event) + ",target=" + getTagName(DOM.eventGetTarget(event));
}

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From source file:asquare.gwt.debug.client.DebugUtil.java

License:Apache License

private static String createMouseString(Event event) {
    return "clientX=" + DOM.eventGetClientX(event) + ",clientY=" + DOM.eventGetClientY(event) + ",screenX="
            + DOM.eventGetScreenX(event) + ",screenY=" + DOM.eventGetScreenY(event) + ",buttons="
            + DOM.eventGetButton(event) + ",modifiers=" + createModifiersString(event) + ",target="
            + getTagName(DOM.eventGetTarget(event));
}

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From source file:asquare.gwt.sb.client.fw.ListHoverController.java

License:Apache License

public void onBrowserEvent(Widget widget, Event event) {
    ListView list = (ListView) widget;
    int targetIndex = list.getIndexOf(DOM.eventGetTarget(event));

    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEOVER:
        int fromIndex = list.getIndexOf(DOM.eventGetFromElement(event));

        // Ignore over events generated within the same list item
        if (targetIndex != fromIndex) {
            m_model.setActiveIndex(targetIndex);
            m_model.update();/*from   w w  w  . j a va2 s . co m*/
        }
        break;

    case Event.ONMOUSEOUT:
        int toIndex = list.getIndexOf(DOM.eventGetToElement(event));

        // Ignore out events generated within the same list item
        if (targetIndex != toIndex) {
            /*
             * Performance: ignore out events if the cursor is moving to
             * another item in the same list. (The over event will set
             * the active index anyway, resulting in a 2nd update).
             */
            if (toIndex == -1) {
                m_model.setActiveIndex(-1);
                m_model.update();
            }
        }
        break;
    }
}

---

From source file:asquare.gwt.sb.client.widget.TabBarClickController.java

License:Apache License

@Override
public void onBrowserEvent(Widget widget, Event event) {
    CellId cellId = ((ListView) widget).getCellId(DOM.eventGetTarget(event));
    if (cellId != null) {
        m_selectionModel.setSelectedIndex(((IndexedCellId) cellId).getIndex());
    }/*from w w w.  j  av  a 2 s  .co m*/
    m_model.update();
}

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From source file:asquare.gwt.tests.coordinates.client.Demo.java

License:Apache License

public void onModuleLoad() {
    DialogBox dialog = new DialogBox() {
        {//w  w  w .  j  a v  a 2  s.co m
            addDomHandler(new MouseDownHandler() {
                public void onMouseDown(MouseDownEvent event) {
                    Debug.println("DialogBox.onMouseDown(" + event.getX() + "," + event.getY() + ")");
                }
            }, MouseDownEvent.getType());
        }
    };
    dialog.setText("Dialog Caption");
    Image image = new Image("one.gif");
    DOM.setStyleAttribute(image.getElement(), "height", "100px");
    DOM.setStyleAttribute(image.getElement(), "width", "200px");

    dialog.setWidget(image);
    dialog.show();
    dialog.setPopupPosition(200, 200);

    Debug.enable();
    if (!GWT.isScript())
        DebugConsole.getInstance().disable();

    new DebugHierarchyInspector().install();
    new DebugElementDumpInspector().install();
    new DebugEventListener('a', Event.ONMOUSEDOWN, "Absolute position inspector") {
        protected void doEvent(Event event) {
            Element target = DOM.eventGetTarget(event);
            Debug.println(getTagName(target) + "[absLeft=" + DOM.getAbsoluteLeft(target) + ",absTop="
                    + DOM.getAbsoluteTop(target) + "]");
        }
    }.install();

    new DebugEventListener('o', Event.ONMOUSEDOWN, "Offset hierarchy inspector") {
        protected void doEvent(Event event) {
            Element target = DOM.eventGetTarget(event);
            printOffsetHierarchy(target);
        }
    }.install();

    new DebugEventListener().install();
}

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From source file:asquare.gwt.tk.client.ui.behavior.EventBaseImpl.java

License:Apache License

public EventBaseImpl(Widget source, Event domEvent, int type, boolean previewPhase) {
    super(source);
    m_domEvent = domEvent;/*from  www . j  a va  2s . c om*/
    m_target = DOM.eventGetTarget(domEvent);
    m_type = type;
    m_previewPhase = previewPhase;
}

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From source file:asquare.gwt.tk.uitest.alertdialog.client.Demo.java

License:Apache License

public void onModuleLoad() {
    Debug.enable();/*from   w w w .  ja v a2 s . c om*/

    new DebugEventListener('x', Event.ONMOUSEDOWN, null) {
        @Override
        protected void doEvent(Event event) {
            Element target = DOM.eventGetTarget(event);
            Debug.println("target=" + DebugUtil.prettyPrintElement(target));
            int screenX = DOM.eventGetScreenX(event);
            int screenY = DOM.eventGetScreenY(event);
            int clientX = DOM.eventGetClientX(event);
            int clientY = DOM.eventGetClientY(event);
            int absLeft = DOM.getAbsoluteLeft(target);
            int absTop = DOM.getAbsoluteTop(target);
            int offsetLeft = getOffsetLeft(target);
            int offsetTop = getOffsetTop(target);
            int docScrollX = Window.getScrollLeft();
            int docScrollY = Window.getScrollTop();
            Debug.println("screenX=" + screenX + ",screenY=" + screenY + ",clientX=" + clientX + ",clientY="
                    + clientY + ",absLeft=" + absLeft + ",absTop=" + absTop + ",offsetLeft=" + offsetLeft
                    + ",offsetTop=" + offsetTop + ",docScrollX=" + docScrollX + ",docScrollY=" + docScrollY);
        }
    }.install();
    new DebugEventListener('z', Event.ONMOUSEDOWN, "Offset hierarchy inspector") {
        @Override
        protected void doEvent(Event event) {
            Element target = DOM.eventGetTarget(event);
            printOffsetTopHierarchy(target);
        }
    }.install();

    new DebugHierarchyInspector().install();

    new DebugElementDumpInspector().install();

    new DebugEventListener(Event.ONMOUSEDOWN | Event.ONMOUSEUP).install();

    if (!GWT.isScript()) {
        DebugConsole.getInstance().disable();
    }

    final Button button = new Button();
    button.setText("Default Info dialog");
    button.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            final AlertDialog alert = AlertDialog.createInfo(new Command() {
                public void execute() {
                    Debug.println("OK clicked");
                }
            }, "Info Dialog", "this is a default info dialog");
            alert.show();
        }
    });
    RootPanel.get().add(button);

    Command showDialog = new Command() {
        private AlertDialog m_dialog;

        public void execute() {
            if (m_dialog == null) {
                m_dialog = AlertDialog.createWarning(this, "Caption text", null);
                ScrollPanel message = new ScrollPanel();
                message.setAlwaysShowScrollBars(true);
                message.setWidth("100%");
                message.setHeight("100px");
                message.setWidget(new Label(
                        "These packages contain reference information about the main GWT user interface and utility classes. For higher-level explanations of how to take advantage of all this stuff, check out the Developer Guide. Among other things, there's a handy widget gallery and an explanation of how remote procedure calls work.These packages contain reference information about the main GWT user interface and utility classes. For higher-level explanations of how to take advantage of all this stuff, check out the Developer Guide. Among other things, there's a handy widget gallery and an explanation of how remote procedure calls work."));
                m_dialog.setMessage(message);
                m_dialog.setSize("400px", "300px");
                m_dialog.addController(new ControllerAdaptor(Controller.class, Event.ONMOUSEDOWN) {
                    @Override
                    public void onBrowserEvent(Widget widget, Event event) {
                        int x = DomUtil.eventGetAbsoluteX(event) - DOM.getAbsoluteLeft(widget.getElement());
                        int y = DomUtil.eventGetAbsoluteY(event) - DOM.getAbsoluteTop(widget.getElement());
                        Debug.println("onMouseDown(" + x + "," + y + ")");
                    }
                });
            }
            m_dialog.show();
        }
    };
    showDialog.execute();
}

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