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:org.jboss.errai.common.client.dom.DOMUtil.java

License:Apache License

/**
 * @param element/*from w  ww . j  av  a 2s .c om*/
 *          Must not be null.
 * @return If the given element has any child elements, return an optional containing the last child element.
 *         Otherwise return an empty optional.
 */
public static Optional<Element> getLastChildElement(final Element element) {
    final NodeList children = element.getChildNodes();
    for (int i = children.getLength() - 1; i > -1; i--) {
        if (isElement(children.item(i))) {
            return Optional.ofNullable((Element) children.item(i));
        }
    }

    return Optional.empty();
}

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From source file:org.jboss.errai.common.client.dom.DOMUtil.java

License:Apache License

/**
 * @param nodeList/*from   w w w .  j  a  v a  2 s  . co m*/
 *          Must not be null.
 * @return An iterator for the given node list.
 */
public static Iterator<Node> nodeIterator(final NodeList nodeList) {
    return new Iterator<Node>() {
        int index = 0;

        @Override
        public boolean hasNext() {
            return index < nodeList.getLength();
        }

        @Override
        public Node next() {
            if (hasNext()) {
                return nodeList.item(index++);
            } else {
                throw new NoSuchElementException();
            }
        }

        @Override
        public void remove() {
            throw new UnsupportedOperationException();
        }
    };
}

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From source file:org.jboss.errai.common.client.dom.DOMUtil.java

License:Apache License

/**
 * @param nodeList//from  w ww .  j a v  a  2 s .  co m
 *          Must not be null.
 * @return An iterator for the given node list that ignores non-element nodes.
 */
public static Iterator<Element> elementIterator(final NodeList nodeList) {
    return new Iterator<Element>() {

        int i = 0;

        @Override
        public boolean hasNext() {
            while (i < nodeList.getLength() && !isElement(nodeList.item(i))) {
                i++;
            }
            return i < nodeList.getLength();
        }

        @Override
        public Element next() {
            if (hasNext()) {
                return (Element) nodeList.item(i++);
            } else {
                throw new NoSuchElementException();
            }
        }

        @Override
        public void remove() {
            throw new UnsupportedOperationException();
        }
    };
}

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From source file:org.kaaproject.avro.ui.gwt.client.widget.ExtendedValueListBox.java

License:Apache License

private void updateOptionsStyle() {
    if (Utils.isNotBlank(promptText)) {
        SelectElement select = getSelectElement();
        int index = select.getSelectedIndex();
        if (index > -1) {
            OptionElement selectedOption = getOptionElement(index);
            if (Utils.isBlank(selectedOption.getValue())) {
                selectedOption.setClassName(style.prompt());
                selectedOption.setText(promptText);
                addStyleName(style.prompt());
                NodeList<OptionElement> options = getSelectElement().getOptions();
                for (int i = 0; i < options.getLength(); i++) {
                    if (index != i) {
                        OptionElement option = options.getItem(i);
                        option.setClassName(style.noPrompt());
                    }/*from  www.j a v a2  s. co m*/
                }
            } else {
                NodeList<OptionElement> options = getSelectElement().getOptions();
                for (int i = 0; i < options.getLength(); i++) {
                    OptionElement option = options.getItem(i);
                    if (Utils.isBlank(option.getValue())) {
                        option.setClassName("");
                        option.setText("");
                    }
                }
                removeStyleName(style.prompt());
            }
        }
    }
}

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From source file:org.kaaproject.avro.ui.gwt.client.widget.grid.AvroUiDataGrid.java

License:Apache License

@Override
protected boolean resetFocusOnCell() {
    boolean focused = false;
    if (hasFilterHeaders() && filterFocusedCellColumn > -1 && filterFocusedCellRow > -1) {
        TableSectionElement thead = getTableHeadElement();
        NodeList<TableRowElement> rows = thead.getRows();
        if (filterFocusedCellRow < rows.getLength()) {
            TableRowElement row = rows.getItem(filterFocusedCellRow);
            NodeList<TableCellElement> cells = row.getCells();
            if (filterFocusedCellColumn < cells.getLength()) {
                TableCellElement cell = cells.getItem(filterFocusedCellColumn);
                if (getHeaderBuilder().isHeader(cell)) {
                    Header<?> header = getHeaderBuilder().getHeader(cell);
                    Context context = new Context(0, 0, header.getKey());
                    focused = resetFocusOnFilterCellImpl(context, header, cell);
                }/*from   w  w w .ja  va 2  s. c  o m*/
            }
        }
    }
    if (!focused) {
        focused = super.resetFocusOnCell();
    }
    return focused;
}

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From source file:org.kuali.student.common.ui.client.widgets.KSLightBox.java

License:Educational Community License

private void grabFocus() {
    Widget mainContent = contentPanel.getWidget();
    NodeList<Element> nodeList = mainContent.getElement().getElementsByTagName("*");
    for (int i = 0; i < nodeList.getLength(); i++) {
        Element e = nodeList.getItem(i);
        if (FOCUSABLE_TAGS.contains(e.getTagName().toUpperCase())) {
            e.focus();// ww  w.java 2 s. com
            return;
        }
    }

}

---

From source file:org.lightframe.components.client.ui.VWindowManager.java

License:Apache License

public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
    // This call should be made first. Ensure correct implementation,
    // and let the containing layout manage caption, etc.
    if (client.updateComponent(this, uidl, true)) {
        return;/*from w w  w .  j a va 2  s. c  o m*/
    }

    // Save reference to server connection object to be able to send
    // user interaction later
    this.client = client;

    // Save the UIDL identifier for the component
    uidlId = uidl.getId();

    if (uidl.hasAttribute(ATTRIBUTE_SC_WINDOW_NAMES)) {
        // ugly way to clear all elements.
        getElement().setInnerHTML("");

        final String[] names = uidl.getStringArrayAttribute(ATTRIBUTE_SC_WINDOW_NAMES);
        for (final String name : names) {
            final Element windowBox = DOM.createDiv();

            windowBox.setInnerHTML(name);
            windowBox.setClassName(WINDOWBOX_CLASSNAME);
            DOM.sinkEvents(windowBox, Event.ONCLICK | Event.ONCONTEXTMENU);

            DOM.appendChild(getElement(), windowBox);
        }

        windowCount = names.length;

    }

    if (uidl.hasAttribute(ATTRIBUTE_SC_WINDOW_MINIMZED)) {
        final int[] minimized = uidl.getIntArrayAttribute(ATTRIBUTE_SC_WINDOW_MINIMZED);
        final NodeList<Node> windowBoxes = getElement().getChildNodes();

        for (int i = 0; i < windowBoxes.getLength(); i++) {
            final Element windowBox = (Element) windowBoxes.getItem(i);
            windowBox.setClassName(minimized[i] == 1 ? WINDOWBOX_CLASSNAME_MINIMIZED : WINDOWBOX_CLASSNAME);
        }
    }
}

---

From source file:org.lightframe.components.client.ui.VWindowManager.java

License:Apache License

private int getWindowBoxIndex(Element windowBox) {
    final NodeList<Node> siblings = windowBox.getParentNode().getChildNodes();

    for (int i = 0; i < siblings.getLength(); i++) {
        final Node sibling = siblings.getItem(i);
        if (sibling.equals(windowBox)) {
            return i;
        }//from ww  w .j  a  v a2  s  . co  m
    }

    return -1;
}

---

From source file:org.nsesa.editor.gwt.core.client.ui.document.sourcefile.content.ContentController.java

License:EUPL

/**
 * Get the root element node(s) that is/are set on the
 * {@link org.nsesa.editor.gwt.core.client.ui.document.sourcefile.content.ContentView#getContentElement()}
 *
 * @return the root element//from  w w  w . j a  va2s.  c o  m
 */
public Element[] getContentElements() {
    if (!contentLoaded) {
        throw new RuntimeException("Content not yet available.");
    }
    final List<Element> elements = new ArrayList<Element>();
    final NodeList<Node> childNodes = view.getContentElement().getChildNodes();
    for (int i = 0; i < childNodes.getLength(); i++) {
        Node node = childNodes.getItem(i);
        if (node.getNodeType() == Node.ELEMENT_NODE) {
            elements.add(Element.as(node));
        }
    }
    return elements.toArray(new Element[elements.size()]);
}

---

From source file:org.nsesa.editor.gwt.core.client.ui.overlay.DefaultFormatter.java

License:EUPL

/**
 * This method is in facto responsible with the xml generation. For each child of the given
 * overlay widget ({@link org.nsesa.editor.gwt.core.client.ui.overlay.document.OverlayWidget#getChildOverlayWidgets()})
 * it tries to find out the corresponding browser element node and to extract from there the text content and the
 * css attributes values. The process continue then recursively for all descendants of the original overlay widget.
 *
 * @param widget     The overlay widget that will be processed
 * @param namespaces The map of all namespaces used in overlay widget and its descendants
 * @param rootNode   True if the/*  w w  w.j  a va2 s  . c o m*/
 * @param depth
 * @return Xml representation of overlay widget as String
 */
public String toXMLElement(final OverlayWidget widget, final Map<String, String> namespaces,
        final boolean rootNode, int depth) {
    final StringBuilder sb = new StringBuilder();
    final String indent = withIndentation ? TextUtils.repeat(depth, "  ") : "";
    sb.append(indent).append("<");
    if (rootNode) {
        sb.append(widget.getType());
        for (final Map.Entry<String, String> entry : namespaces.entrySet()) {
            if (DEFAULT_NAMESPACE.equals(entry.getValue())) {
                // this is the default namespace
                sb.append(" xmlns=\"").append(widget.getNamespaceURI()).append("\"");
            } else {
                // prefixed namespace
                sb.append(" xmlns:").append(entry.getValue()).append("=\"").append(entry.getKey()).append("\"");
            }
        }
    } else {
        final String prefix = namespaces.get(widget.getNamespaceURI());
        if (!DEFAULT_NAMESPACE.equals(prefix)) {
            sb.append(prefix).append(":");
        }
        sb.append(widget.getType());
    }
    //get the attributes
    final LinkedHashMap<String, String> attrs = widget.getAttributes();
    if (!attrs.isEmpty()) {
        for (final Map.Entry<String, String> entry : attrs.entrySet()) {
            // do not add the class attribute
            if (!"class".equalsIgnoreCase(entry.getKey())) {
                if (entry.getValue() != null && entry.getValue().length() > 0) {
                    sb.append(" ").append(entry.getKey()).append("=").append("\"").append(entry.getValue())
                            .append("\"");
                }
            }
        }
    }
    sb.append(">");
    Element element = widget.getOverlayElement();
    NodeList<Node> nodes = element.getChildNodes();
    int length = nodes.getLength();
    if (length == 0) {
        // the root is all the time a new one
        // apply xml transformation for children
        for (final OverlayWidget child : widget.getChildOverlayWidgets()) {
            sb.append(toXMLElement(child, namespaces, false, depth + 1).trim());
        }
    } else {
        for (int i = 0; i < length; i++) {
            final short nodeType = nodes.getItem(i).getNodeType();
            Element childElement = nodes.getItem(i).cast();
            switch (nodeType) {
            case Node.ELEMENT_NODE:
                // get the amendable widget corresponding to this child and apply xml transformation
                // hopefully there is one amendable widget linked to this node
                OverlayWidget child = null;
                // try to find out a amendable widget linked to childElement
                for (OverlayWidget aw : widget.getChildOverlayWidgets()) {
                    if (aw.getOverlayElement().equals(childElement)) {
                        child = aw;
                        break;
                    }
                }
                if (child != null) {
                    sb.append(toXMLElement(child, namespaces, false, depth + 1));
                } else {
                    LOG.warning("No amendable child widget found for element " + childElement.getInnerHTML());
                }
                break;
            case Node.TEXT_NODE:
                sb.append(TextUtils.escapeXML(nodes.getItem(i).getNodeValue()));
                //sb.append(nodes.getItem(i).getNodeValue().trim());
                break;
            case Node.DOCUMENT_NODE:
                LOG.log(Level.WARNING, "There should be no document node here for " + element.getInnerHTML());
                break;
            }
        }
    }
    sb.append("</");
    final String prefix = namespaces.get(widget.getNamespaceURI());
    if (!DEFAULT_NAMESPACE.equals(prefix)) {
        sb.append(prefix).append(":");
    }
    sb.append(widget.getType()).append(">");
    return sb.toString();
}

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