Example usage for com.google.gwt.user.client Element getPreviousSiblingElement

Introduction

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

Prototype

@Override
    public Element getPreviousSiblingElement() 

Source Link

Usage

From source file:com.vaadin.client.ComponentLocator.java

License:Apache License

/**
 * Generates a String locator using domChild[x] parts for the element
 * relative to the baseElement./*from   w  w w  .  ja  va  2  s  . c om*/
 * 
 * @param element
 *            The target element
 * @param baseElement
 *            The starting point for the locator. The generated path is
 *            relative to this element.
 * @return A String locator that can be used to locate the target element
 *         using {@link #getElementByDOMPath(Element, String)} or null if
 *         the locator String cannot be created.
 */
private String getDOMPathForElement(Element element, Element baseElement) {
    Element e = element;
    String path = "";
    while (true) {
        int childIndex = -1;
        Element siblingIterator = e;
        while (siblingIterator != null) {
            childIndex++;
            siblingIterator = siblingIterator.getPreviousSiblingElement().cast();
        }

        path = PARENTCHILD_SEPARATOR + "domChild[" + childIndex + "]" + path;

        JavaScriptObject parent = e.getParentElement();
        if (parent == null) {
            return null;
        }
        // The parent check is a work around for Firefox 15 which fails to
        // compare elements properly (#9534)
        if (parent == baseElement) {
            break;
        }

        e = parent.cast();
    }

    return path;
}

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