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package org.loadui.testfx.controls;

import javafx.scene.Node;
import javafx.scene.control.ListView;

import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.loadui.testfx.exceptions.NoNodesFoundException;

import static org.loadui.testfx.GuiTest.find;

public class ListViews {
    /**
     * Get the number of rows in the list.
     *
     * @param list
     * @return number of rows in list
     */
    public static int numberOfRowsIn(ListView list)
    {
        return list.getItems().size();
    }

    /**
     * Get the number of rows in the list that matches the CSS query.
     *
     * @param listQuery
     * @return
     */
    public static int numberOfRowsIn(String listQuery)
    {
        ListView table = find(listQuery);
        return table.getItems().size();
    }

    @SuppressWarnings("unchecked")
    @Factory
    public static  org.hamcrest.Matcher containsRow(Object rowValue)
    {
        return new ListContainsMatcher(rowValue);
    }

    static boolean containsRow(ListView list, Object rowValue)
    {
        for(int i=0; i getListView(String listSelector) {
        Node node = find(listSelector);
        if (!(node instanceof ListView)) {
            throw new NoNodesFoundException(listSelector + " selected " + node + " which is not a ListView!");
        }
        return (ListView) node;
    }

    @SuppressWarnings("rawtypes")
    private static class ListContainsMatcher extends BaseMatcher {
        private Object valueToMatch;

        public ListContainsMatcher(Object valueToMatch)
        {
            this.valueToMatch = valueToMatch;
        }

        @Override
        public boolean matches(Object o) {
            if( o instanceof String)
            {
                String query = (String) o;
                return ListViews.containsRow(getListView(query), valueToMatch);
            } else if( o instanceof ListView)
            {
                ListView tableView = (ListView) o;
                return ListViews.containsRow(tableView, valueToMatch);
            }
            return false;
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("The list does not contain a row with value '" + valueToMatch + "'");
        }
    }

}