com.esofthead.mycollab.module.project.ui.components.AbstractPreviewItemComp2.java Source code

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Here is the source code for com.esofthead.mycollab.module.project.ui.components.AbstractPreviewItemComp2.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.module.project.ui.components;

import com.esofthead.mycollab.vaadin.mvp.PageView;
import com.esofthead.mycollab.vaadin.ui.AbstractBeanFieldGroupViewFieldFactory;
import com.esofthead.mycollab.vaadin.ui.AdvancedPreviewBeanForm;
import com.esofthead.mycollab.vaadin.ui.IFormLayoutFactory;
import com.esofthead.mycollab.vaadin.ui.ReadViewLayout;
import com.esofthead.mycollab.vaadin.ui.UiUtils;
import com.esofthead.vaadin.floatingcomponent.FloatingComponent;
import com.vaadin.server.Resource;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Component;
import com.vaadin.ui.ComponentContainer;
import com.vaadin.ui.CssLayout;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Image;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;

/**
 * 
 * @author MyCollab Ltd.
 * @since 4.3.3
 *
 */
public abstract class AbstractPreviewItemComp2<B> extends VerticalLayout implements PageView {
    private static final long serialVersionUID = 1L;

    protected B beanItem;
    protected AdvancedPreviewBeanForm<B> previewForm;
    protected ReadViewLayout previewLayout;
    protected HorizontalLayout header;
    private HorizontalLayout bodyContainer;

    private VerticalLayout sidebarContent;
    private VerticalLayout bodyContent;

    protected Image titleIcon;

    abstract protected void initRelatedComponents();

    public AbstractPreviewItemComp2(String headerText, Resource iconResource) {
        if (iconResource != null)
            this.titleIcon = new Image(null, iconResource);
        this.addComponent(constructHeader(headerText));

        previewForm = initPreviewForm();
        ComponentContainer actionControls = createButtonControls();
        if (actionControls != null) {
            actionControls.addStyleName("control-buttons");
            addHeaderRightContent(actionControls);
        }

        CssLayout contentWrapper = new CssLayout();
        contentWrapper.setStyleName("content-wrapper");

        previewLayout = new ReadViewLayout("");

        contentWrapper.addComponent(previewLayout);

        bodyContainer = new HorizontalLayout();
        bodyContainer.setSizeFull();
        bodyContainer.setStyleName("readview-body-wrap");

        bodyContent = new VerticalLayout();
        bodyContent.addComponent(previewForm);
        bodyContainer.addComponent(bodyContent);
        bodyContainer.setExpandRatio(bodyContent, 1);

        sidebarContent = new VerticalLayout();
        sidebarContent.setWidth("250px");
        sidebarContent.setSpacing(true);
        sidebarContent.setStyleName("readview-sidebar");
        bodyContainer.addComponent(sidebarContent);

        FloatingComponent floatSidebar = FloatingComponent.floatThis(sidebarContent);
        floatSidebar.setContainerId("main-body");

        previewLayout.addBody(bodyContainer);

        this.addComponent(contentWrapper);
    }

    public void previewItem(final B item) {
        this.beanItem = item;
        initLayout();
        previewLayout.setTitle(initFormTitle());

        previewForm.setFormLayoutFactory(initFormLayoutFactory());
        previewForm.setBeanFormFieldFactory(initBeanFormFieldFactory());
        previewForm.setBean(item);

        onPreviewItem();
    }

    private void initLayout() {
        sidebarContent.removeAllComponents();
        initRelatedComponents();
        ComponentContainer bottomPanel = createBottomPanel();
        addBottomPanel(bottomPanel);
    }

    protected void addBottomPanel(ComponentContainer container) {
        if (container != null) {
            if (bodyContent.getComponentCount() >= 2) {
                bodyContent.replaceComponent(bodyContent.getComponent(bodyContent.getComponentCount() - 1),
                        container);
            } else {
                bodyContent.addComponent(container);
            }
        }
    }

    protected ComponentContainer constructHeader(String headerText) {
        Label headerLbl = new Label(headerText);
        headerLbl.setSizeUndefined();
        header = new HorizontalLayout();
        headerLbl.setStyleName("hdr-text");

        if (titleIcon != null)
            UiUtils.addComponent(header, titleIcon, Alignment.MIDDLE_LEFT);

        UiUtils.addComponent(header, headerLbl, Alignment.MIDDLE_LEFT);
        header.setExpandRatio(headerLbl, 1.0f);

        header.setStyleName("hdr-view");
        header.setWidth("100%");
        header.setSpacing(true);
        header.setMargin(true);

        return header;
    }

    public void addHeaderRightContent(Component c) {
        header.addComponent(c);
    }

    public void addToSideBar(Component component) {
        sidebarContent.addComponent(component);
    }

    public B getBeanItem() {
        return beanItem;
    }

    public AdvancedPreviewBeanForm<B> getPreviewForm() {
        return previewForm;
    }

    protected void addLayoutStyleName(String styleName) {
        previewLayout.addTitleStyleName(styleName);
    }

    protected void removeLayoutStyleName(String styleName) {
        previewLayout.removeTitleStyleName(styleName);
    }

    @Override
    public ComponentContainer getWidget() {
        return this;
    }

    @Override
    public void addViewListener(ViewListener listener) {

    }

    abstract protected void onPreviewItem();

    abstract protected String initFormTitle();

    abstract protected AdvancedPreviewBeanForm<B> initPreviewForm();

    abstract protected IFormLayoutFactory initFormLayoutFactory();

    abstract protected AbstractBeanFieldGroupViewFieldFactory<B> initBeanFormFieldFactory();

    abstract protected ComponentContainer createButtonControls();

    abstract protected ComponentContainer createBottomPanel();
}