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

Introduction

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

Prototype

public T getItem(int index) 

Source Link

Usage

From source file:de.catma.ui.client.ui.tagger.editor.TaggerEditor.java

License:Open Source License

public void removeTagInstance(String tagInstanceID, boolean reportToServer) {
    int currentPartID = 1;
    Element taggedSpan = Document.get().getElementById(tagInstanceID + "_" + currentPartID++);
    while (taggedSpan != null) {
        Element parent = taggedSpan.getParentElement();
        DebugUtil.printNode(taggedSpan);
        NodeList<Node> children = taggedSpan.getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            Node child = children.getItem(i);
            parent.insertBefore(child.cloneNode(true), taggedSpan);
        }//from  ww w.j a  va 2 s.c om
        parent.removeChild(taggedSpan);
        taggedSpan = Document.get().getElementById(tagInstanceID + "_" + currentPartID++);
    }
    tagInstances.remove(tagInstanceID);
    lastTagInstanceIDs.remove(tagInstanceID);

    taggerEditorListener.tagChanged(TaggerEditorEventType.REMOVE, tagInstanceID, reportToServer);
}

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From source file:de.catma.ui.client.ui.tagger.editor.TaggerEditor.java

License:Open Source License

public void setHTML(HTML pageHtmlContent) {
    if (getElement().hasChildNodes()) {
        NodeList<Node> children = getElement().getChildNodes();
        for (int i = 0; i < children.getLength(); i++) {
            getElement().removeChild(children.getItem(i));
        }//  w  w  w .  j  ava 2 s.co  m
    }
    getElement().appendChild(pageHtmlContent.getElement());
    tagInstances.clear();
}

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From source file:de.eckhartarnold.client.ImageCollectionReader.java

License:Apache License

/**
 * Reads the information about the image collection from several json files 
 * contained in the <code>baseURL</code> directory.
 * When the json files have finished loading <code>readyReport</code> is 
 * issued. If any error occurs it is reported via <code>errorReport</code>.
 * For error reporting the class <code>ImageCollectionInfo</code> offers
 * two stock objects: <code>ERROR_DIALOG</code> and <code>ERROR_SILET</code>,
 * the first of which reports the error in a pop up dialog, while the other
 * simply ignores the error (dangerous!).  
 * /*ww  w  . j  av a  2s . c o  m*/
 * @param baseURL      the base URL of the image collection
 * @param readyReport  the callback that is to be issued when loading the
 *                     information about the image collection is ready. 
 * @param errorReport  the callback for reporting errors.
 */
public ImageCollectionReader(String baseURL, ICallback readyReport, IMessage errorReport) {
    // Element info = DOM.getElementById("info");
    NodeList<Element> metaTags = Document.get().getElementsByTagName("meta");
    this.infoFileName = "info.json";
    int length = metaTags.getLength();
    for (int i = 0; i < length; i++) {
        Element item = metaTags.getItem(i);
        if (item.getAttribute("name").equalsIgnoreCase(METANAME_INFO)) {
            this.infoFileName = item.getAttribute("content");
            break;
        }
    }
    retrieveSequentially(baseURL, readyReport, errorReport);
}

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From source file:de.ga_ap.cirrus.newcloud.client.TheCloud.java

License:Open Source License

public TheCloud(final Element cloudContainer) {

    final NodeList<Element> aElements = cloudContainer.getElementsByTagName("A");
    final int height = cloudContainer.getOffsetHeight();
    final int width = cloudContainer.getOffsetWidth();

    final Canvas canvas = Canvas.createIfSupported();
    canvas.setCoordinateSpaceHeight(height);
    canvas.setCoordinateSpaceWidth(width);
    final Context2d context2d = canvas.getContext2d();

    final double radius = canvas.getCanvasElement().getHeight() / 3;
    final int refreshrate = 30;

    final List<CloudItem> itemList = new ArrayList<CloudItem>(aElements.getLength());
    for (int i = 0; i < aElements.getLength(); i++) {
        final Element el = aElements.getItem(i);
        final CloudItem ci = new CloudItem();
        ci.text = el.getInnerText();/* w  ww . j  a v  a 2 s .  com*/
        itemList.add(ci);
    }
    cloudContainer.setInnerText("");

    final int itemListSize = itemList.size();
    for (int i = 1; i <= itemListSize; i++) {
        final CloudItem ci = itemList.get(i - 1);
        ci.theta = Math.acos(-1.0 + (2.0 * (double) i - 1.0) / itemListSize);
        ci.phi = Math.sqrt(itemListSize * Math.PI) * ci.theta;

        ci.z = radius * Math.cos(ci.theta);
        ci.y = radius * Math.sin(ci.theta) * Math.cos(ci.phi);
        ci.x = radius * Math.sin(ci.theta) * Math.sin(ci.phi);

        // TODO heightOfAllItems ?!

        // TODO font size

        context2d.fillText(ci.text, ci.y, ci.z);
        System.out.println(ci.x + " " + ci.y + " " + ci.z + " - " + ci.theta + " " + ci.phi);

    }

    Scheduler.get().scheduleFixedPeriod(new RepeatingCommand() {

        @Override
        public boolean execute() {

            canvas.setCoordinateSpaceHeight(height);
            canvas.setCoordinateSpaceWidth(width);

            final double cosPsi = Math.cos(psi);
            final double sinPsi = Math.sin(psi);

            final double cosTheta = Math.cos(theta);
            final double sinTheta = Math.sin(theta);

            final double sinThetaCosPsi = sinTheta * cosPsi;
            final double sinThetaSinPsi = sinTheta * sinPsi;

            for (final CloudItem ci : itemList) {

                final double x, y, z;

                x = ci.x * cosTheta * cosPsi + ci.y * cosTheta * sinPsi - ci.z * sinTheta;
                y = ci.x * (-sinPsi) + ci.y * cosPsi;
                z = ci.x * sinThetaCosPsi + ci.y * sinThetaSinPsi + ci.z * cosTheta;
                ci.x = x;
                ci.y = y;
                ci.z = z;

                context2d.setGlobalAlpha(0.7 + ci.x / radius / 3.0);
                context2d.setFont("20pt Arial");
                context2d.fillText(ci.text, radius + ci.y, radius + ci.z);

                // System.out.println(ci.x + " " + ci.y + " " + ci.z + " - "
                // + ci.theta + " " + ci.phi + " " + ci.text);
            }

            theta += ySteps;
            psi += xSteps;
            // System.out.println(theta);
            if (theta > Math.PI * 2.0) {
                theta = 0.0;
            }
            if (psi > Math.PI * 2.0) {
                psi = 0.0;
            }
            return true;
        }
    }, refreshrate);

    // final EventListener listener = new EventListener() {
    //
    // @Override
    // public void onBrowserEvent(final Event event) {
    // if (event.getTypeInt() == Event.ONMOUSEMOVE) {
    // moveSteps(event);
    // } else if (event.getTypeInt() == Event.ONTOUCHMOVE) {
    // event.preventDefault(); // prevents the default behavior of
    // // a page when touching
    // moveSteps(event);
    // }
    // }
    //
    // private void moveSteps(final Event event) {
    // ySteps = -((event.getClientY() + Window.getScrollTop())
    // / canvas.getCoordinateSpaceHeight() * 0.000002 - 0.1) / 2.0;
    // xSteps = ((event.getClientX() + Window.getScrollLeft())
    // / canvas.getCoordinateSpaceWidth() * 0.000002 - 0.1) / 2.0;
    // }
    // };
    //
    // DOM.setEventListener(
    // (com.google.gwt.user.client.Element) cloudContainer, listener);
    // DOM.sinkEvents((com.google.gwt.user.client.Element) cloudContainer,
    // Event.ONMOUSEMOVE + Event.ONTOUCHMOVE);

    System.out.println(radius);
    cloudContainer.appendChild(canvas.getCanvasElement());
}

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From source file:de.swm.commons.mobile.client.SWMMobile.java

License:Apache License

/**
 * Returns the head./*  w  w w. j  a v a  2  s . c  om*/
 *
 * @return the head of the host page.
 */
private static Element getHead() {
    NodeList<Element> elementsByTagName = Document.get().getElementsByTagName("head");

    if (elementsByTagName.getLength() != 1) {
        throw new RuntimeException("there is no head element");
    }

    return elementsByTagName.getItem(0);
}

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From source file:de.swm.commons.mobile.client.widgets.scroll.ScrollPanel.java

License:Apache License

/**
 * Returns the height of the given element. If the element has a height of 0 it searches
 * recursively for the height of the next visible child (e.g. the next visible slide of a
 * SliderPanel)./*from w  w  w . j  av  a 2s  .  c  om*/
 *
 * @param element parent element
 * @return height of the element of a visible child
 */
private int getHeightOfElementOrChildElements(Element element) {
    if (this.offsetHeight > 0) {
        return this.offsetHeight;
    }

    // current element has height? Return this height.
    if (element.getOffsetHeight() != 0) {
        return element.getOffsetHeight();
    }

    // current element is hidden? no height for this element.
    if (element.getStyle().getVisibility().equals("hidden") || element.getStyle().getDisplay().equals("none")) {
        return 0;
    }

    // search children for height
    NodeList<Node> children = element.getChildNodes();
    if (children.getLength() == 0) {
        return 0;
    }

    int height = 0;
    for (int i = 0; i < children.getLength(); i++) {
        Node currentNode = children.getItem(i);
        if (currentNode instanceof Element) {
            height = getHeightOfElementOrChildElements((Element) currentNode);
        }

        if (height != 0) {
            return height;
        }
    }

    return 0;
}

---

From source file:edu.arizona.biosemantics.gxt.theme.green.client.base.widget.Css3DatePickerAppearance.java

License:sencha.com license

@Override
public void onUpdateDayOfWeeks(XElement parent, List<String> values) {
    NodeList<Element> elems = parent.select("." + style.columnHeaderInner());
    for (int i = 0; i < elems.getLength(); i++) {
        elems.getItem(i).setInnerHTML(values.get(i));
    }// w  ww.jav  a 2s .c o m
}

---

From source file:edu.arizona.biosemantics.gxt.theme.green.client.sliced.tabs.SlicedTabPanelAppearance.java

License:sencha.com license

@Override
public void onMouseOut(XElement parent, XElement target) {
    NodeList<Element> nodeList = parent.select("." + resources.style().tabStripOver());
    for (int i = 0; i < nodeList.getLength(); i++) {
        nodeList.getItem(i).removeClassName(resources.style().tabStripOver());
    }//from w w w. jav a 2 s . co m
    if (target.is("." + resources.style().tabScrollerLeft())) {
        target.removeClassName(resources.style().tabScrollerLeftOver());
    } else if (target.is("." + resources.style().tabScrollerRight())) {
        target.removeClassName(resources.style().tabScrollerRightOver());
    }
}

---

From source file:edu.caltech.ipac.firefly.ui.GwtUtil.java

public static String getGwtProperty(String name) {
    final NodeList<com.google.gwt.dom.client.Element> meta = Document.get().getElementsByTagName("meta");

    for (int i = 0; i < meta.getLength(); i++) {
        final MetaElement m = MetaElement.as(meta.getItem(i));
        if (m != null && "gwt:property".equals(m.getName())) {
            String[] kv = m.getContent().split("=", 2);
            if (kv[0] != null && kv[0].equals(name)) {
                return kv.length > 1 ? kv[1] : "";
            }/*from ww  w.j ava 2s .c  o m*/
        }
    }
    return null;
}

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From source file:edu.caltech.ipac.firefly.ui.table.BasicPagingTable.java

private Element findElement(Element el, String value) {
    NodeList<com.google.gwt.dom.client.Element> nl = el.getElementsByTagName("td");
    for (int i = 0; i < nl.getLength(); i++) {
        if (nl.getItem(i).getInnerText().equals(value)) {
            return (Element) nl.getItem(i);
        }//from w w  w. j a  v a2 s .  c  o  m
    }
    return null;
}

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