com.esofthead.mycollab.vaadin.ui.PreviewFormControlsGenerator.java Source code

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Here is the source code for com.esofthead.mycollab.vaadin.ui.PreviewFormControlsGenerator.java

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/**
 * This file is part of mycollab-web.
 *
 * mycollab-web 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 3 of the License, or
 * (at your option) any later version.
 *
 * mycollab-web 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 mycollab-web.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.esofthead.mycollab.vaadin.ui;

import com.esofthead.mycollab.common.i18n.GenericI18Enum;
import com.esofthead.mycollab.vaadin.AppContext;
import com.vaadin.server.FontAwesome;
import com.vaadin.shared.ui.MarginInfo;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;
import org.vaadin.maddon.layouts.MHorizontalLayout;
import org.vaadin.maddon.layouts.MVerticalLayout;

/**
 * 
 * @author MyCollab Ltd.
 * @since 2.0
 * 
 * @param <B>
 */
public class PreviewFormControlsGenerator<B> {

    private AdvancedPreviewBeanForm<B> previewForm;
    // private Button backBtn;
    private Button editBtn;
    private Button deleteBtn;
    private Button cloneBtn;
    private SplitButton optionBtn;
    private Button optionParentBtn;
    private MVerticalLayout popupButtonsControl;
    private MHorizontalLayout editButtons;
    private MHorizontalLayout layout;

    public PreviewFormControlsGenerator(AdvancedPreviewBeanForm<B> editForm) {
        this.previewForm = editForm;
    }

    public HorizontalLayout createButtonControls(String permissionItem) {
        layout = new MHorizontalLayout().withStyleName("control-buttons");
        layout.setSizeUndefined();

        optionParentBtn = new Button("Option", new Button.ClickListener() {
            private static final long serialVersionUID = 695008443208333680L;

            @Override
            public void buttonClick(ClickEvent event) {
                optionBtn.setPopupVisible(true);
            }
        });

        optionBtn = new SplitButton(optionParentBtn);
        optionBtn.setWidthUndefined();
        optionBtn.addStyleName(UIConstants.THEME_GRAY_LINK);

        popupButtonsControl = new MVerticalLayout().withMargin(new MarginInfo(false, true, false, true))
                .withWidth("100px");

        editButtons = new MHorizontalLayout();

        editBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_EDIT), new Button.ClickListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                optionBtn.setPopupVisible(false);
                B item = previewForm.getBean();
                previewForm.fireEditForm(item);
            }
        });
        editBtn.setIcon(FontAwesome.EDIT);
        editBtn.setStyleName("link");
        popupButtonsControl.addComponent(editBtn);

        deleteBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_DELETE), new Button.ClickListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                B item = previewForm.getBean();
                previewForm.fireDeleteForm(item);
            }
        });
        deleteBtn.setIcon(FontAwesome.TRASH_O);
        deleteBtn.setStyleName(UIConstants.THEME_RED_LINK);
        editButtons.addComponent(deleteBtn);
        editButtons.setComponentAlignment(deleteBtn, Alignment.MIDDLE_CENTER);

        cloneBtn = new Button(AppContext.getMessage(GenericI18Enum.BUTTON_CLONE), new Button.ClickListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                optionBtn.setPopupVisible(false);
                B item = previewForm.getBean();
                previewForm.fireCloneForm(item);
            }
        });
        cloneBtn.setIcon(FontAwesome.ROAD);
        cloneBtn.setStyleName("link");
        popupButtonsControl.addComponent(cloneBtn);

        optionBtn.setContent(popupButtonsControl);
        editButtons.addComponent(optionBtn);
        editButtons.setComponentAlignment(optionBtn, Alignment.MIDDLE_CENTER);

        layout.addComponent(editButtons);
        layout.setComponentAlignment(editButtons, Alignment.MIDDLE_CENTER);
        layout.setExpandRatio(editButtons, 1.0f);

        if (permissionItem != null) {
            boolean canWrite = AppContext.canWrite(permissionItem);
            boolean canAccess = AppContext.canAccess(permissionItem);

            editBtn.setEnabled(canWrite);
            cloneBtn.setEnabled(canWrite);
            deleteBtn.setEnabled(canAccess);
        }
        return layout;
    }

    public void removeCloneButton() {
        popupButtonsControl.removeComponent(cloneBtn);
    }

    public HorizontalLayout getLayout() {
        return layout;
    }

    public void setDeleteButtonVisible(boolean visible) {
        deleteBtn.setVisible(visible);
    }
}