Java tutorial
/** * This file Copyright (c) 2013-2015 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is dual-licensed under both the Magnolia * Network Agreement and the GNU General Public License. * You may elect to use one or the other of these licenses. * * This file is distributed in the hope that it will be * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. * Redistribution, except as permitted by whichever of the GPL * or MNA you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or * modify this file under the terms of the GNU General * Public License, Version 3, as published by the Free Software * Foundation. You should have received a copy of the GNU * General Public License, Version 3 along with this program; * if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * 2. For the Magnolia Network Agreement (MNA), this file * and the accompanying materials are made available under the * terms of the MNA which accompanies this distribution, and * is available at http://www.magnolia-cms.com/mna.html * * Any modifications to this file must keep this entire header * intact. * */ package info.magnolia.ui.mediaeditor.action; import info.magnolia.event.EventBus; import info.magnolia.i18nsystem.SimpleTranslator; import info.magnolia.ui.api.action.ActionExecutionException; import info.magnolia.ui.dialog.actionarea.ActionListener; import info.magnolia.ui.mediaeditor.MediaEditorEventBus; import info.magnolia.ui.mediaeditor.MediaEditorView; import info.magnolia.ui.mediaeditor.action.feature.Scalable; import info.magnolia.ui.mediaeditor.data.EditHistoryTrackingProperty; import info.magnolia.ui.mediaeditor.event.MediaEditorInternalEvent; import info.magnolia.ui.mediaeditor.event.MediaEditorInternalEvent.EventType; import info.magnolia.ui.mediaeditor.field.MediaField; import info.magnolia.ui.mediaeditor.field.image.CropField; import info.magnolia.ui.mediaeditor.provider.MediaEditorActionDefinition; import java.util.ArrayList; import java.util.List; import org.apache.commons.lang3.StringUtils; import com.google.inject.name.Named; import com.vaadin.ui.Component; import com.vaadin.ui.Label; /** * Installs UI components necessary for conducting the image crop operations. */ public class CropImageAction extends MediaEditorUIAction { private CropField cropField = new CropField(); private final SimpleTranslator i18n; public CropImageAction(MediaEditorActionDefinition definition, MediaEditorView view, @Named(MediaEditorEventBus.NAME) EventBus eventBus, EditHistoryTrackingProperty dataSource, SimpleTranslator i18n) { super(definition, view, dataSource, eventBus); this.i18n = i18n; } @Override public void execute() throws ActionExecutionException { super.execute(); view.getDialog().asVaadinComponent().addStyleName("active-footer"); if (view.getDialog().getContentView().asVaadinComponent() instanceof Scalable) { Scalable scalable = (Scalable) view.getDialog().getContentView().asVaadinComponent(); scalable.scaleToFit(); } } @Override protected List<ActionContext> getActionContextList() { List<ActionContext> result = new ArrayList<ActionContext>(); result.add(new ActionContext(new InternalMediaEditorActionDefinition("crop", i18n.translate("ui-mediaeditor.action.crop.label"), true), new ActionListener() { @Override public void onActionFired(String actionName, Object... actionContextParams) { dataSource.startAction(StringUtils.lowerCase(getDefinition().getLabel())); cropField.execute(); eventBus.fireEvent(new MediaEditorInternalEvent(EventType.APPLY)); } })); result.add(new ActionContext(new InternalMediaEditorActionDefinition("cancel", i18n.translate("ui-mediaeditor.internalAction.cancel.label"), true), new ActionListener() { @Override public void onActionFired(String actionName, Object... actionContextParams) { eventBus.fireEvent(new MediaEditorInternalEvent(EventType.CANCEL_ALL)); } })); return result; } @Override protected Component getStatusControls() { final Label l = new Label(); l.setWidth("400px"); cropField.setStatusComponent(l); return l; } @Override protected MediaField createMediaField() { return cropField; } }