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

List of usage examples for com.google.gwt.user.client DOM getChildCount

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Introduction

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

Prototype

public static int getChildCount(Element parent)

Source Link

Document

Gets the number of child elements present in a given parent element.

Usage

From source file:asquare.gwt.tk.client.util.DomUtil.java

License:Apache License

/**
 * Creates a list of all elements contained by the specified element
 * (inclusive) which have the specified CSS class (in GWT terms
 * <em>stylename</em>).//from   w  w  w. ja v  a2s  .c  om
 * 
 * @param element the element which is at the root of the hierarchy that you wish to search
 * @param className the name of the CSS class to search for
 * @param result a writable list which will be returned as the result (for recursion).
 *            Typically, you pass <code>null</code> and the list will
 *            be created on the fly.
 * @return <b>result</b> a list containing 0 or more HTML elements
 */
public static List<Element> findElementsWithClass(Element element, String className, List<Element> result) {
    if (result == null) {
        result = new ArrayList<Element>();
    }

    String cls = DOM.getElementProperty(element, "className");
    if (cls != null && cls.indexOf(className) >= 0) {
        result.add(element);
    }

    int childCount = DOM.getChildCount(element);
    for (int i = 0; i < childCount; i++) {
        findElementsWithClass(DOM.getChild(element, i), className, result);
    }

    return result;
}

From source file:com.conx.logistics.kernel.ui.common.gwt.client.ui.VConXQuickLaunchMenu.java

License:Apache License

/**
 * Removes all menu items from this menu bar.
 *//*from w w  w  .  jav a2s.c om*/
public void clearItems() {
    final Element container = getItemContainerElement();
    while (DOM.getChildCount(container) > 0) {
        DOM.removeChild(container, DOM.getChild(container, 0));
    }
    items.clear();
}

From source file:com.extjs.gxt.ui.client.core.Template.java

License:sencha.com license

/**
 * Applies the supplied values to the template and inserts the new node(s) at
 * the given index.//from w  w w.  ja v a2 s.c  o m
 * 
 * @param el the context element
 * @param index the insert index
 * @param values the values
 * @return the new element
 */
public Element insert(Element el, int index, Params values) {
    int count = DOM.getChildCount(el);
    Element before = el.getChildNodes().getItem(index).cast();
    if (count == 0 || before == null) {
        return appendInternal(t, el, values.getValues());
    } else {
        return insertBefore(before, values);
    }
}

From source file:com.extjs.gxt.ui.client.util.TreeBuilder.java

License:Open Source License

private static void process(TreeItem item, Element parent) {
    int size = DOM.getChildCount(parent);
    for (int i = 0; i < size; i++) {
        Element li = DOM.getChild(parent, i);
        TreeItem childItem = new TreeItem();
        String id = DOM.getElementAttribute(li, "id");
        if (id != null && !id.equals("")) {
            childItem.setId(id);/*from  w w w.  j av a  2 s.  c o m*/
        }
        childItem.setText(DOM.getElementProperty(li, "title"));
        item.add(childItem);
        for (int j = 0; j < DOM.getChildCount(li); j++) {
            Element subList = DOM.getChild(li, j);
            process(childItem, subList);
        }
    }
}

From source file:com.extjs.gxt.ui.client.widget.Component.java

License:sencha.com license

/**
 * Renders the element. Typically, this method does not need to be called
 * directly. A component will rendered by its parent if it is a container, or
 * rendered when attached if added to a gwt panel.
 * //w  w w.  ja  va 2  s  .c om
 * @param target the element this component should be rendered into
 * @param index the index within the container <b>before</b> which this
 *          component will be inserted (defaults to appending to the end of
 *          the container if value is -1)
 */
public void render(Element target, int index) {
    if (rendered || !fireEvent(Events.BeforeRender)) {
        return;
    }

    initState();

    beforeRender();

    if (plugins != null) {
        for (ComponentPlugin plugin : plugins) {
            plugin.init(this);
        }
    }

    rendered = true;

    createStyles(baseStyle);

    if (!setElementRender) {
        if (index == -1) {
            index = DOM.getChildCount(target);
        }

        onRender(target, index);
    }

    assert el != null : getClass().getName() + " must call setElement in onRender";

    if (events != 0) {
        sinkEvents(events);
    }

    if (ariaSupport != null) {
        if (ariaSupport.labelledBy != null) {
            ariaSupport.setLabelledBy(ariaSupport.labelledBy);
        }
        if (ariaSupport.label != null) {
            ariaSupport.setLabel(ariaSupport.label);
        }
        if (ariaSupport.describedBy != null) {
            ariaSupport.setDescribedBy(ariaSupport.describedBy);
        }
        if (ariaSupport.description != null) {
            ariaSupport.setDescription(ariaSupport.description);
        }
        if (ariaSupport.presentation) {
            setAriaRole("presentation");
            focusManagerSupport.setIgnore(true);
        }
        if (ariaSupport.role != null) {
            ariaSupport.setRole(ariaSupport.role);
        }
        Map<String, String> states = ariaSupport.states;
        for (String name : states.keySet()) {
            ariaSupport.setState(name, states.get(name));
        }
    }

    if (id == null) {
        id = el.getId();
    } else {
        getElement().setId(id);
    }

    if (tabIndex != -1) {
        setTabIndex(tabIndex);
    }

    if (baseStyle != null) {
        fly(getStyleElement()).addStyleName(baseStyle);
    }
    if (cls != null) {
        setStyleName(cls);
        cls = null;
    }
    if (styleNames != null) {
        for (String s : styleNames) {
            fly(getStyleElement()).addStyleName(s);
        }
        styleNames = null;
    }

    addStyleName("x-component");

    if (title != null) {
        setTitle(title);
    }

    if (styles != null && !styles.equals("")) {
        el.applyStyles(styles);
        styles = null;
    }

    if (focused) {
        DeferredCommand.addCommand(new Command() {
            public void execute() {
                focus();
            }
        });
    }

    if (borders != Style.DEFAULT) {
        setBorders(borders == 1);
    }

    if (focusable && GXT.isWebKit) {
        focusEl = new El(createHiddenInput());
        getElement().appendChild(focusEl.dom);
    }

    afterRender = true;
    afterRender();

    if (hidden) {
        hide();
    }

    if (disabled) {
        disable();
    }

    fireEvent(Events.Render);
}

From source file:com.google.code.p.gwtchismes.client.GWTCHelper.java

License:Apache License

/**
 * Loads a css resource including it in the head block
 * @param url// w  ww  .ja  va  2s. com
 *     full path of the css resource
 */
public static void insertCSS(String url) {
    if (DOM.getElementById(url) != null)
        return;
    Element head = null;
    Element body = RootPanel.getBodyElement();
    Element doc = DOM.getParent(body);
    for (int i = 0; i < DOM.getChildCount(doc); i++) {
        Element child = DOM.getChild(doc, i);
        if (child.toString().toLowerCase().contains("head")) {
            head = child;
            break;
        }
    }
    if (head == null) {
        head = DOM.createElement("head");
        DOM.appendChild(doc, head);
    }
    Element css = DOM.createElement("link");
    DOM.setElementAttribute(css, "rel", "stylesheet");
    DOM.setElementAttribute(css, "type", "text/css");
    DOM.setElementAttribute(css, "href", url);
    DOM.setElementAttribute(css, "id", url);
    DOM.appendChild(head, css);
}

From source file:com.google.code.p.gwtchismes.client.GWTCHelper.java

License:Apache License

/**
 * Browse an element tree looking for the first element that matches attribute=value
 * @param element// w w w  .  j  a  va2 s.co m
 * @param attribute
 * @param value
 * @return
 *    the first matched element
 */
public static Element getFirstElementByAttr(Element element, String attribute, String value) {
    int n = DOM.getChildCount(element);
    for (int i = 0; i < n; i++) {
        Element e = DOM.getChild(element, i);
        String v = DOM.getElementAttribute(e, attribute);
        if (v != null && v.matches(value))
            return e;
        if (DOM.getChildCount(element) > 0)
            e = getFirstElementByAttr(e, attribute, value);
        if (e != null)
            return e;
    }
    return null;
}

From source file:com.google.code.p.gwtchismes.client.GWTCHelper.java

License:Apache License

public static List<Element> findElementsWithClass(Element element, String className, List<Element> result) {
    if (result == null) {
        result = new Vector<Element>();
    }// w w  w. ja va  2 s .  c o m

    String cls = DOM.getElementProperty(element, "className");
    if (cls != null && cls.indexOf(className) >= 0) {
        result.add(element);
    }

    int childCount = DOM.getChildCount(element);
    for (int i = 0; i < childCount; i++) {
        findElementsWithClass(DOM.getChild(element, i), className, result);
    }

    return result;
}

From source file:com.google.gerrit.client.changes.ApprovalTable.java

License:Apache License

void display(ChangeInfo change) {
    lastChange = change;/*  w w  w  .j a  v a 2  s.c om*/
    reviewerSuggestOracle.setChange(change.legacy_id());
    Map<Integer, ApprovalDetail> byUser = new LinkedHashMap<Integer, ApprovalDetail>();
    Map<Integer, AccountInfo> accounts = new LinkedHashMap<Integer, AccountInfo>();
    List<String> missingLabels = initLabels(change, accounts, byUser);

    removeAllChildren(missing.getElement());
    for (String label : missingLabels) {
        addMissingLabel(Util.M.needApproval(label));
    }

    if (byUser.isEmpty()) {
        table.setVisible(false);
    } else {
        List<String> labels = new ArrayList<String>(change.labels());
        Collections.sort(labels);
        displayHeader(labels);
        table.resizeRows(1 + byUser.size());
        int i = 1;
        for (ApprovalDetail ad : ApprovalDetail.sort(byUser.values(), change.owner()._account_id())) {
            displayRow(i++, ad, labels, accounts.get(ad.getAccount().get()));
        }
        table.setVisible(true);
    }

    if (Gerrit.getConfig().testChangeMerge() && change.status() != Change.Status.MERGED
            && !change.mergeable()) {
        addMissingLabel(Util.C.messageNeedsRebaseOrHasDependency());
    }
    missing.setVisible(DOM.getChildCount(missing.getElement()) > 0);
    addReviewer.setVisible(Gerrit.isSignedIn());
}

From source file:com.google.gerrit.client.changes.ApprovalTable.java

License:Apache License

private void removeAllChildren(Element el) {
    for (int i = DOM.getChildCount(el) - 1; i >= 0; i--) {
        DOM.removeChild(el, DOM.getChild(el, i));
    }//from www  .j  ava2s.  c o  m
}