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/**
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* Copyright (C) 2021 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.vaadin.util.fields;
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import java.awt.Point;
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import java.util.List;
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import java.util.Objects;
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import org.vaadin.viritin.fields.AbstractElementCollection;
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import org.vaadin.viritin.fields.ElementCollectionField;
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import org.vaadin.viritin.fields.ElementCollectionTable;
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import com.vaadin.ui.Component;
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import com.vaadin.ui.GridLayout;
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import com.vaadin.ui.Layout;
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/**
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* @author a.kohlbecker
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* @since Feb 25, 2021
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*/
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public class ElementCollectionHelper<T extends AbstractElementCollection<?>> {
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private T elementColection;
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public ElementCollectionHelper(T elementColection) {
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this.elementColection = elementColection;
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}
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private Layout getLayout() {
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if(elementColection instanceof ElementCollectionField) {
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return ((ElementCollectionField)elementColection).getLayout();
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}
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if(elementColection instanceof ElementCollectionTable) {
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return ((ElementCollectionTable)elementColection).getLayout();
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}
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throw new RuntimeException("Unsuppoerted type " + elementColection.getClass());
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}
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/**
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* Provides the Property name of the field to which the <code>component</code> is mapped.
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*/
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public String properyFor(Component component) {
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Point xy = locateComponent(component);
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List<String> visProps = elementColection.getVisibleProperties();
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return visProps.get(xy.x);
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}
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protected Point locateComponent(Component component) {
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if(elementColection instanceof ElementCollectionField) {
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GridLayout gridLayout = ((ElementCollectionField)elementColection).getLayout();
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for(int x = 0; x < gridLayout.getColumns(); x++) {
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for(int y = 0; y < gridLayout.getRows(); y++) {
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Component gridComponent = gridLayout.getComponent(x, y);
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if(Objects.equals(gridComponent, component)) {
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return new Point(x, y);
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}
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}
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}
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return null;
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} else {
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throw new RuntimeException("Unsuppoerted type " + elementColection.getClass());
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}
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}
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}
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