module.contents.presentationTier.component.SectionComponent.java Source code

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Here is the source code for module.contents.presentationTier.component.SectionComponent.java

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/*
 * @(#)SectionComponent.java
 *
 * Copyright 2010 Instituto Superior Tecnico
 * Founding Authors: Luis Cruz, Paulo Abrantes
 * 
 *      https://fenix-ashes.ist.utl.pt/
 * 
 *   This file is part of the Content Module.
 *
 *   The Content Module 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.
 *
 *   The Content Module 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 the Content Module. If not, see <http://www.gnu.org/licenses/>.
 * 
 */
package module.contents.presentationTier.component;

import module.contents.domain.Section;
import module.contents.presentationTier.component.EditSectionButton.EditSectionSaveListner;
import module.contents.presentationTier.component.PageView.MenuReRenderListner;

import com.vaadin.ui.AbstractComponentContainer;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;

/**
 * 
 * @author Luis Cruz
 * 
 */
public class SectionComponent extends BaseComponent {

    private final transient Section section;
    private final MenuReRenderListner menuReRenderListner;

    public SectionComponent(final Section section, final MenuReRenderListner menuReRenderListner) {
        this.section = section;
        this.menuReRenderListner = menuReRenderListner;
    }

    @Override
    public void attach() {
        super.attach();

        final VerticalLayout layout = new VerticalLayout();
        setCompositionRoot(layout);

        final Component sectionBody = createSectionBody(layout);
        layout.addComponent(sectionBody);

        for (final Section subSection : section.getOrderedSections()) {
            addSectionComponent(layout, subSection);
        }
    }

    private Component createSectionBody(final AbstractComponentContainer container) {
        final VerticalLayout sectionLayout = new VerticalLayout();
        addTag(sectionLayout, "a", null, "name", "section" + section.getNumber());
        addTag(sectionLayout, "h" + (2 + section.levelFromTop()), section.getNumberedTitle());
        if (section.getPage().canEdit()) {
            final HorizontalLayout horizontalLayout = new HorizontalLayout();
            horizontalLayout.setSpacing(true);
            horizontalLayout.setMargin(true);

            addEditSectionButton(horizontalLayout, sectionLayout, container, section);
            addAddSectionButton(horizontalLayout, container, section);
            sectionLayout.addComponent(horizontalLayout);
        }
        addTag(sectionLayout, "div", section.getContents().getContent());
        return sectionLayout;
    }

    private SectionComponent addSectionComponent(final AbstractComponentContainer container,
            final Section section) {
        final SectionComponent sectionComponent = new SectionComponent(section, menuReRenderListner);
        container.addComponent(sectionComponent);
        return sectionComponent;
    }

    private void addEditSectionButton(final AbstractComponentContainer container,
            final AbstractComponentContainer sectionContainer, final AbstractComponentContainer newSectionContainer,
            final Section section) {
        final EditSectionButton editSectionButton = new EditSectionButton(section, sectionContainer,
                new EditSectionSaveListner() {
                    @Override
                    public void save(final String title, final String content,
                            final AbstractComponentContainer editorContainer) {
                        section.edit(title, content);
                        newSectionContainer.replaceComponent(editorContainer,
                                createSectionBody(newSectionContainer));
                        menuReRenderListner.reRender();
                    }
                }, false);
        container.addComponent(editSectionButton);

        final EditSectionButton editHtmlSectionButton = new EditSectionButton(section, sectionContainer,
                new EditSectionSaveListner() {
                    @Override
                    public void save(final String title, final String content,
                            final AbstractComponentContainer editorContainer) {
                        section.edit(title, content);
                        newSectionContainer.replaceComponent(editorContainer,
                                createSectionBody(newSectionContainer));
                        menuReRenderListner.reRender();
                    }
                }, true);
        container.addComponent(editHtmlSectionButton);
    }

    private void addAddSectionButton(final AbstractComponentContainer container,
            final AbstractComponentContainer sectionContainer, final Section section) {
        final AddSectionButton createSectionComponent = new AddSectionButton(new ContentEditorSaveListner() {
            @Override
            public void save(final String title, final String content) {
                final Section newSection = section.addSection(title, content);
                addSectionComponent(sectionContainer, newSection);
                menuReRenderListner.reRender();
            }
        });
        container.addComponent(createSectionComponent);
    }

}