Example usage for com.google.gwt.dom.client NodeList getLength

Introduction

In this page you can find the example usage for com.google.gwt.dom.client NodeList getLength.

Prototype

public int getLength() 

Source Link

Usage

From source file:com.vaadin.terminal.gwt.client.ui.TouchScrollDelegate.java

License:Open Source License

/**
 * Detects if a touch happens on a predefined element and the element has
 * something to scroll.//  w  w w  . ja  v  a 2 s  . c o m
 * 
 * @param touch
 * @return
 */
private boolean detectScrolledElement(Touch touch) {
    Element target = touch.getTarget().cast();
    for (Element el : scrollableElements) {
        if (el.isOrHasChild(target) && el.getScrollHeight() > el.getClientHeight()) {
            scrolledElement = el;
            NodeList<Node> childNodes = scrolledElement.getChildNodes();
            layers = new ArrayList<Element>();
            for (int i = 0; i < childNodes.getLength(); i++) {
                Node item = childNodes.getItem(i);
                if (item.getNodeType() == Node.ELEMENT_NODE) {
                    layers.add((Element) item);
                }
            }
            return true;

        }
    }
    return false;
}

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From source file:com.vaadin.terminal.gwt.client.ui.VContextMenu.java

License:Open Source License

public String getSubPartName(Element subElement) {
    if (getElement().isOrHasChild(subElement)) {
        com.google.gwt.dom.client.Element e = subElement;
        {/*w  ww. j  ava 2s  .  c  o m*/
            while (e != null && !e.getTagName().toLowerCase().equals("tr")) {
                e = e.getParentElement();
                // ApplicationConnection.getConsole().log("Found row");
            }
        }
        com.google.gwt.dom.client.TableSectionElement parentElement = (TableSectionElement) e
                .getParentElement();
        NodeList<TableRowElement> rows = parentElement.getRows();
        for (int i = 0; i < rows.getLength(); i++) {
            if (rows.getItem(i) == e) {
                // ApplicationConnection.getConsole().log(
                // "Found index for row" + 1);
                return "option" + i;
            }
        }
        return null;
    } else {
        return null;
    }
}

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From source file:com.vaadin.terminal.gwt.client.ui.VCustomLayout.java

License:Open Source License

/**
 * Img elements needs some special handling in custom layout. Img elements
 * will get their onload events sunk. This way custom layout can notify
 * parent about possible size change./* ww  w  .  j  a v  a 2s.  c o  m*/
 */
private void initImgElements() {
    NodeList<com.google.gwt.dom.client.Element> nodeList = getElement().getElementsByTagName("IMG");
    for (int i = 0; i < nodeList.getLength(); i++) {
        com.google.gwt.dom.client.ImageElement img = (ImageElement) nodeList.getItem(i);
        DOM.sinkEvents((Element) img.cast(), Event.ONLOAD);
    }
}

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From source file:com.vaadin.terminal.gwt.client.ui.VEmbedded.java

License:Open Source License

public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
    if (client.updateComponent(this, uidl, true)) {
        return;/*from  ww w. j a  v a 2s .c om*/
    }
    this.client = client;

    boolean clearBrowserElement = true;

    clickEventHandler.handleEventHandlerRegistration(client);

    if (uidl.hasAttribute("type")) {
        type = uidl.getStringAttribute("type");
        if (type.equals("image")) {
            addStyleName(CLASSNAME + "-image");
            Element el = null;
            boolean created = false;
            NodeList<Node> nodes = getElement().getChildNodes();
            if (nodes != null && nodes.getLength() == 1) {
                Node n = nodes.getItem(0);
                if (n.getNodeType() == Node.ELEMENT_NODE) {
                    Element e = (Element) n;
                    if (e.getTagName().equals("IMG")) {
                        el = e;
                    }
                }
            }
            if (el == null) {
                setHTML("");
                el = DOM.createImg();
                created = true;
                DOM.sinkEvents(el, Event.ONLOAD);
            }

            // Set attributes
            Style style = el.getStyle();
            String w = uidl.getStringAttribute("width");
            if (w != null) {
                style.setProperty("width", w);
            } else {
                style.setProperty("width", "");
            }
            String h = uidl.getStringAttribute("height");
            if (h != null) {
                style.setProperty("height", h);
            } else {
                style.setProperty("height", "");
            }
            DOM.setElementProperty(el, "src", getSrc(uidl, client));

            if (created) {
                // insert in dom late
                getElement().appendChild(el);
            }

            /*
             * Sink tooltip events so tooltip is displayed when hovering the
             * image.
             */
            sinkEvents(VTooltip.TOOLTIP_EVENTS);

        } else if (type.equals("browser")) {
            addStyleName(CLASSNAME + "-browser");
            if (browserElement == null) {
                setHTML("<iframe width=\"100%\" height=\"100%\" frameborder=\"0\""
                        + " allowTransparency=\"true\" src=\"\"" + " name=\"" + uidl.getId() + "\"></iframe>");
                browserElement = DOM.getFirstChild(getElement());
            }
            DOM.setElementAttribute(browserElement, "src", getSrc(uidl, client));
            clearBrowserElement = false;
        } else {
            VConsole.log("Unknown Embedded type '" + type + "'");
        }
    } else if (uidl.hasAttribute("mimetype")) {
        final String mime = uidl.getStringAttribute("mimetype");
        if (mime.equals("application/x-shockwave-flash")) {
            // Handle embedding of Flash
            addStyleName(CLASSNAME + "-flash");
            setHTML(createFlashEmbed(uidl));

        } else if (mime.equals("image/svg+xml")) {
            addStyleName(CLASSNAME + "-svg");
            String data;
            Map<String, String> parameters = getParameters(uidl);
            if (parameters.get("data") == null) {
                data = getSrc(uidl, client);
            } else {
                data = "data:image/svg+xml," + parameters.get("data");
            }
            setHTML("");
            ObjectElement obj = Document.get().createObjectElement();
            obj.setType(mime);
            obj.setData(data);
            if (width != null) {
                obj.getStyle().setProperty("width", "100%");
            }
            if (height != null) {
                obj.getStyle().setProperty("height", "100%");
            }
            if (uidl.hasAttribute("classid")) {
                obj.setAttribute("classid", uidl.getStringAttribute("classid"));
            }
            if (uidl.hasAttribute("codebase")) {
                obj.setAttribute("codebase", uidl.getStringAttribute("codebase"));
            }
            if (uidl.hasAttribute("codetype")) {
                obj.setAttribute("codetype", uidl.getStringAttribute("codetype"));
            }
            if (uidl.hasAttribute("archive")) {
                obj.setAttribute("archive", uidl.getStringAttribute("archive"));
            }
            if (uidl.hasAttribute("standby")) {
                obj.setAttribute("standby", uidl.getStringAttribute("standby"));
            }
            getElement().appendChild(obj);

        } else {
            VConsole.log("Unknown Embedded mimetype '" + mime + "'");
        }
    } else {
        VConsole.log("Unknown Embedded; no type or mimetype attribute");
    }

    if (clearBrowserElement) {
        browserElement = null;
    }
}

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From source file:com.vaadin.terminal.gwt.client.ui.VLabel.java

License:Open Source License

private void sinkOnloadsForContainedImgs() {
    NodeList<Element> images = getElement().getElementsByTagName("img");
    for (int i = 0; i < images.getLength(); i++) {
        Element img = images.getItem(i);
        DOM.sinkEvents((com.google.gwt.user.client.Element) img, Event.ONLOAD);
    }/*from  www . jav a 2 s . com*/

}

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From source file:com.vaadin.terminal.gwt.client.ui.VTabsheetPanel.java

License:Open Source License

/**
 * Creates an empty tabsheet panel./*from w  w w  .j  a va  2  s  .  c  o  m*/
 */
public VTabsheetPanel() {
    setElement(DOM.createDiv());
    sinkEvents(Event.TOUCHEVENTS);
    addDomHandler(new TouchStartHandler() {
        public void onTouchStart(TouchStartEvent event) {
            /*
             * All container elements needs to be scrollable by one finger.
             * Update the scrollable element list of touch delegate on each
             * touch start.
             */
            NodeList<Node> childNodes = getElement().getChildNodes();
            Element[] elements = new Element[childNodes.getLength()];
            for (int i = 0; i < elements.length; i++) {
                elements[i] = (Element) childNodes.getItem(i);
            }
            getTouchScrollDelegate().setElements(elements);
            getTouchScrollDelegate().onTouchStart(event);
        }
    }, TouchStartEvent.getType());
}

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From source file:com.vaadin.terminal.gwt.client.Util.java

License:Open Source License

public static void sinkOnloadForImages(Element element) {
    NodeList<com.google.gwt.dom.client.Element> imgElements = element.getElementsByTagName("img");
    for (int i = 0; i < imgElements.getLength(); i++) {
        DOM.sinkEvents((Element) imgElements.getItem(i), Event.ONLOAD);
    }//ww  w . j  a  v a  2  s  . c  om

}

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From source file:com.watopi.chosen.client.ChosenImpl.java

License:Open Source License

private void setDefaultValues() {
    clickTestAction = new Function() {
        @Override/*w w  w . j a va 2 s . c o  m*/
        public boolean f(Event e) {
            return testActiveClick(e);
        }
    };

    activateAction = new Function() {
        @Override
        public boolean f(Event e) {
            return activateField(e);
        }
    };

    activeField = false;
    mouseOnContainer = false;
    resultsShowing = false;

    NodeList<OptionElement> optionsList = selectElement.getOptions();
    allowSingleDeselect = options.isAllowSingleDeselect() && optionsList.getLength() > 0
            && "".equals(optionsList.getItem(0).getText());

    choices = 0;

    if (options.getResources() != null) {
        css = options.getResources().css();
    } else {
        css = GWT.<Resources>create(Resources.class).css();
    }

    // Force the injection the first time only 
    // If you want to use different css file for different GwtChosen component
    // please register your css files (css.ensureInject()) before the first call of the plugin
    if (!cssInjected) {
        StyleInjector.inject(css.getText(), true);
        cssInjected = true;
    }

}

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From source file:com.watopi.chosen.client.SelectParser.java

License:Open Source License

public JsObjectArray<SelectItem> parse(SelectElement select) {

    NodeList<Node> children = select.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node n = children.getItem(i);
        addNode(n);//from   w ww .ja  v  a  2 s  . co  m
    }

    return parsed;
}

---

From source file:com.watopi.chosen.client.SelectParser.java

License:Open Source License

private void addGroup(OptGroupElement group) {
    int position = parsed.length();

    GroupItem item = new GroupItem();
    item.arrayIndex = position;//from ww  w .j  a  v  a  2  s . c om
    item.label = group.getLabel();
    item.children = 0;
    item.disabled = group.isDisabled();

    parsed.add(item);

    NodeList<Node> children = group.getChildNodes();
    for (int i = 0; i < children.getLength(); i++) {
        Node n = children.getItem(i);
        if ("OPTION".equalsIgnoreCase(n.getNodeName())) {
            addOption(OptionElement.as((Element) n), position, group.isDisabled());
        }
    }

}

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