Use Presenter for app navigation.

[online-glom:gwt-glom.git] / src / main / java / org / glom / web / client / ui / DocumentSelectionViewImpl.java

/*
 * Copyright (C) 2011 Openismus GmbH
 *
 * This file is part of GWT-Glom.
 *
 * GWT-Glom is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * GWT-Glom 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GWT-Glom.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.glom.web.client.ui;

import org.glom.web.client.place.OnlineGlomPlace;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.Anchor;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public class DocumentSelectionViewImpl extends Composite implements DocumentSelectionView {

        interface DocumentSelectionViewImplUiBinder extends UiBinder<Widget, DocumentSelectionViewImpl> {
        }

        private static DocumentSelectionViewImplUiBinder uiBinder = GWT.create(DocumentSelectionViewImplUiBinder.class);
        @UiField
        VerticalPanel documentLinks;
        private Presenter presenter;

        public DocumentSelectionViewImpl() {
                initWidget(uiBinder.createAndBindUi(this));
        }

        public void addDocumentLink(final String documentTitle) {
                Anchor link = new Anchor(documentTitle);
                link.addClickHandler(new ClickHandler() {
                        @Override
                        public void onClick(ClickEvent event) {
                                presenter.goTo(new OnlineGlomPlace(documentTitle));
                        }
                });
                documentLinks.add(link);
        }

        public void clearHyperLinks() {
                documentLinks.clear();
        }

        /*
         * (non-Javadoc)
         * 
         * @see org.glom.web.client.ui.DocumentSelectionView#setErrorMessage(java.lang.String)
         */
        public void setErrorMessage(String message) {
                clearHyperLinks();
                Label label = new Label(message);
                label.getElement().getStyle().setColor("Red");
                documentLinks.add(label);
        }

        @Override
        public void setPresenter(Presenter presenter) {
                this.presenter = presenter;
        }
}