hudson.gwtmarketplace.client.pages.product.ViewProductPage.java Source code

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Here is the source code for hudson.gwtmarketplace.client.pages.product.ViewProductPage.java

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/*
 * GNU GENERAL PUBLIC LICENSE, Version 3, 29 June 2007
 */
package hudson.gwtmarketplace.client.pages.product;

import hudson.gwtmarketplace.client.commands.GetProductDetailsCommand;
import hudson.gwtmarketplace.client.event.ProductCommentEvent;
import hudson.gwtmarketplace.client.event.ProductCommentEvent.ProductCommentHandler;
import hudson.gwtmarketplace.client.model.Product;
import hudson.gwtmarketplace.client.model.ProductComment;

import com.google.gwt.dom.client.HeadingElement;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.gwtpages.client.PageRequestSession;
import com.google.gwt.gwtpages.client.Pages;
import com.google.gwt.gwtpages.client.page.AsyncPageCallback;
import com.google.gwt.gwtpages.client.page.impl.UiBoundPage;
import com.google.gwt.gwtpages.client.page.parameters.PageParameters;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.client.ui.FlowPanel;
import com.google.gwt.user.client.ui.TabPanel;

public class ViewProductPage extends UiBoundPage<FlowPanel>
        implements SelectionHandler<Integer>, ProductCommentHandler {

    private Product product;

    @UiField
    HeadingElement siteTitle;

    @UiField
    TabPanel tabs;

    ProductDetailsPanel productDetails;
    ProductCommentsPanel productComments;

    @Override
    protected void onConstruct(FlowPanel view) {
        tabs.add(this.productDetails = new ProductDetailsPanel() {
            protected void onRateIt() {
                tabs.selectTab(1);
            };
        }, "Details", false);
        tabs.add(this.productComments = new ProductCommentsPanel(), "Comments", false);
        tabs.addSelectionHandler(this);
        tabs.selectTab(0);
        Pages.get().getEventBus().addHandler(ProductCommentEvent.TYPE, this);
    }

    public void show(String alias, final AsyncPageCallback callback) {
        new GetProductDetailsCommand(alias) {
            @Override
            public void onSuccess(Product product) {
                show(product, callback);
            }
        }.execute();
    }

    public void show(Product product, AsyncPageCallback callback) {
        this.product = product;
        tabs.selectTab(0);
        if (null != product)
            siteTitle.setInnerText(product.getName());
        else
            siteTitle.setInnerText("Loading Details...");
        productDetails.show(product);
        resetCommentTabTitle();
        callback.onSuccess();
    }

    private void resetCommentTabTitle() {
        if (null == product || product.getNumComments() == 0)
            tabs.getTabBar().setTabText(1, "Comments");
        else
            tabs.getTabBar().setTabText(1, "Comments (" + product.getNumComments() + ")");
    }

    @Override
    public void onSelection(SelectionEvent<Integer> event) {
        if (event.getSource().equals(tabs)) {
            if (event.getSelectedItem().equals(1))
                productComments.show(product);
        }
    }

    @Override
    public void onProductCommentAdded(Product product, ProductComment comment) {
        if (null != product && comment.getProductId().getId() == product.getId().longValue()) {
            this.product = product;
            resetCommentTabTitle();
        }
    }

    @Override
    public void onEnterPage(PageParameters parameters, PageRequestSession session, AsyncPageCallback callback) {
        callback.waitForAsync();
        if (parameters.listSize() > 0)
            show(parameters.asString(0), callback);
        else if (!parameters.getHistoryToken().startsWith("_"))
            show(parameters.getHistoryToken(), callback);
    }
}