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1   /**
2    * This file Copyright (c) 2016-2018 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.ui.framework.tools;
35  
36  import static com.vaadin.server.Sizeable.Unit.PERCENTAGE;
37  
38  import info.magnolia.ui.dialog.actionarea.ActionListener;
39  import info.magnolia.ui.vaadin.form.FormViewReduced;
40  
41  import com.vaadin.ui.Button;
42  import com.vaadin.ui.Button.ClickListener;
43  import com.vaadin.ui.Component;
44  import com.vaadin.v7.ui.HorizontalLayout;
45  import com.vaadin.v7.ui.VerticalLayout;
46  
47  /**
48   * Abstract generic logic for {@link FormToolView}.
49   */
50  public class DefaultFormToolView extends VerticalLayout implements FormToolView {
51      private FormViewReduced formView;
52      private final HorizontalLayout actionsLayout = new HorizontalLayout();
53  
54      public DefaultFormToolView() {
55          setWidth(100, PERCENTAGE);
56          addStyleName("form-tool");
57          actionsLayout.addStyleName("action-wrapper");
58          actionsLayout.setSpacing(true);
59      }
60  
61      @Override
62      public void setForm(FormViewReduced formView) {
63          Component newForm = formView.asVaadinComponent();
64          if (this.formView != null) {
65              Component oldForm = this.formView.asVaadinComponent();
66              replaceComponent(oldForm, newForm);
67          } else {
68              addComponentAsFirst(newForm);
69          }
70  
71          this.formView = formView;
72      }
73  
74      @Override
75      public void addAction(final String actionName, String buttonLabel, final ActionListener actionListener) {
76          Button button = new Button(buttonLabel, (ClickListener) event -> actionListener.onActionFired(actionName));
77          button.addStyleName(actionName);
78          actionsLayout.addComponent(button);
79  
80          if (!actionsLayout.isAttached()) {
81              int actionsIndex = formView != null ? getComponentIndex(formView.asVaadinComponent()) + 1 : 0;
82              addComponent(actionsLayout, actionsIndex);
83          }
84      }
85  
86      @Override
87      public Component asVaadinComponent() {
88          return this;
89      }
90  }