Example usage for com.vaadin.client ServerConnector getParent

Introduction

In this page you can find the example usage for com.vaadin.client ServerConnector getParent.

Prototype

@Override
public ServerConnector getParent();

Source Link

Document

Returns the parent of this connector.

Usage

From source file:fi.jasoft.draganddrop.client.DragAndDropConnector.java

License:Apache License

private static DragAndDropConnector getTargetConnector(Node node) {
    assert node != null : "Cannot get connector for null node";

    List<DragAndDropConnector> matchingConnectors = new ArrayList<DragAndDropConnector>();
    for (DragAndDropConnector connector : extensions) {
        if (connector.getTargetComponent().getWidget().getElement().isOrHasChild(node)) {
            matchingConnectors.add(connector);

        }//w  w  w .j  a  v  a2  s .  c o m
    }

    // Only one matching connector, return it
    if (matchingConnectors.size() == 1) {
        return matchingConnectors.get(0);
    }

    // Inner connectors with drag and drop enabled, need to search for the
    // inner most child (maximum depth)
    int depth = 0;
    DragAndDropConnector con = null;
    for (int i = 0; i < matchingConnectors.size(); i++) {
        ServerConnector c = matchingConnectors.get(i);
        int d = 0;
        while (c != null) {
            d++;
            c = c.getParent();
        }

        if (d > depth) {
            depth = d;
            con = matchingConnectors.get(i);
        }
    }
    return con;
}

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