org.openxdata.designer.client.widget.CompositeTreeItem.java Source code

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Here is the source code for org.openxdata.designer.client.widget.CompositeTreeItem.java

Source

package org.openxdata.designer.client.widget;

import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TreeItem;
import com.google.gwt.user.client.ui.Widget;

/**
 * Custom widget to wrap around tree items and enable proper selection.
 * 
 *  www.openxdata.org - Licensed as written in license.txt and original sources of this file and its authors are found in sources.txt.
 *
 */
public class CompositeTreeItem extends TreeItem {

    /**
    * Creates an empty tree item.
    */
    public CompositeTreeItem() {
        super();
    }

    /**
    * Constructs a tree item with the given text.
    * 
    * @param text the item's text
    */
    public CompositeTreeItem(String text) {
        super(new Label(text));
    }

    /**
     * Constructs a tree item with the given <code>Widget</code>.
     * 
     * @param widget the item's widget
     */
    public CompositeTreeItem(Widget widget) {
        super(widget);
    }

    @Override
    public void setWidget(Widget newWidget) {
        super.setWidget(newWidget);
        getWidget().setStyleName("gwt-CompositeTreeItem");
    }

    @Override
    public TreeItem addItem(String itemText) {
        return super.addItem(new Label(itemText));
    }

    @Override
    public void setSelected(boolean selected) {
        if (isSelected() == selected)
            return;

        super.setSelected(selected);

        if (selected)
            getWidget().addStyleName("gwt-CompositeTreeItem-selected");
        else
            getWidget().removeStyleName("gwt-CompositeTreeItem-selected");
    }
}