de.metas.ui.web.vaadin.window.editor.LocationEditor.java Source code

Introduction

Here is the source code for de.metas.ui.web.vaadin.window.editor.LocationEditor.java

Source

package de.metas.ui.web.vaadin.window.editor;

import java.util.List;
import java.util.Objects;

import com.google.gwt.thirdparty.guava.common.collect.ImmutableList;
import com.vaadin.ui.TextArea;

import de.metas.ui.web.window.PropertyName;
import de.metas.ui.web.window.shared.datatype.LookupValue;
import de.metas.ui.web.window.shared.descriptor.ViewPropertyDescriptor;

/*
 * #%L
 * metasfresh-webui
 * %%
 * Copyright (C) 2016 metas GmbH
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, either version 2 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/gpl-2.0.html>.
 * #L%
 */

@SuppressWarnings("serial")
public class LocationEditor extends AbstractEditor {
    private LookupValue value;
    private TextArea valueField;

    public LocationEditor(ViewPropertyDescriptor descriptor) {
        super(descriptor);

        this.valueField = new TextArea();
        valueField.setSizeFull();
        valueField.setReadOnly(true);
        valueField.addContextClickListener(event -> showPopup());

        setCompositionRoot(valueField);
    }

    @Override
    public void setValue(final PropertyName propertyName, final Object value) {
        valueField.setReadOnly(false);
        try {
            if (getPropertyName().equals(propertyName)) {
                final LookupValue lookupValue = LookupValue.cast(value);
                final LookupValue valueOld = this.value;
                this.value = lookupValue;

                valueField.setValue(lookupValue == null ? "" : lookupValue.getDisplayName());

                if (!Objects.equals(valueOld, value)) {
                    listener().valueChange(getPropertyPath(), this.value);
                }
            }
        } finally {
            valueField.setReadOnly(true);
        }
    }

    public void setValue(final LookupValue value) {
        setValue(getPropertyName(), value);
    }

    private LookupValue getValue() {
        return value;
    }

    @Override
    public void addChildEditor(Editor editor) {
        throw new UnsupportedOperationException();
    }

    @Override
    public List<Editor> getChildEditors() {
        return ImmutableList.of();
    }

    protected void showPopup() {
        final LocationEditorPopup popup = new LocationEditorPopup(getValue());
        popup.addCloseListener(e -> setValue(popup.getLookupValue()));

        popup.center();
        getUI().addWindow(popup);
    }
}