Subversion Repositories SmartDukaan

package in.shop2020.catalog.dashboard.client;

import in.shop2020.catalog.dashboard.shared.Utils;

import com.google.gwt.core.client.EntryPoint;

import com.google.gwt.core.client.GWT;

import com.google.gwt.event.dom.client.ClickEvent;

import com.google.gwt.event.dom.client.ClickHandler;

import com.google.gwt.uibinder.client.UiBinder;

import com.google.gwt.uibinder.client.UiField;

import com.google.gwt.uibinder.client.UiTemplate;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.google.gwt.user.client.ui.DockLayoutPanel;

import com.google.gwt.user.client.ui.RootLayoutPanel;

/**

 * This is the entry point of dashboard application.

 * 

 */

public class CatalogDashboard implements EntryPoint {

    @UiTemplate("CatalogDashboard.ui.xml")

    interface CatalogBinder extends UiBinder<DockLayoutPanel, CatalogDashboard> {

    }

    private static final CatalogBinder binder = GWT.create(CatalogBinder.class);

    private final LoginServiceAsync loginService = GWT.create(LoginService.class);

    @UiField TopPanel topPanel;        // logo, welcome message and sign out link

    @UiField Shortcuts shortcuts;      // anchors to filter item list based on status 

    //TODO @UiField Filters filters;

    @UiField ItemList itemList;        // list of items

    @UiField ItemDetails itemDetails;  // details of an item selected in the list

    @UiField ItemActions itemActions;  // action buttons to update, add item or change item status

    RootLayoutPanel root;

    LoginScreen login;

    public void onModuleLoad() {

        root = RootLayoutPanel.get();

        root.getElement().setScrollLeft(10);

        login = new LoginScreen();

        //initMainDB("Testing");

        root.add(login);

        login.setLoginListener(new LoginScreen.LoginListener() {

            @Override

            public void onLoginPressed(String username, String password) {

                authenticateUser(username, password, Utils.ROLE_STAGING);

            }

        });

    }

    /**

     * Authenticates username and password and if successful, initialises 

     * main dashboard panel.

     * @param username 

     * @param password

     * @param role -- Utils.ROLE_STAGING (Login role for staging), another role 

     * is Utils.ROLE_PRODUCTION (for push to production username & password)

     */

    private void authenticateUser(String username, String password, int role) {

        final String uname = username;

        loginService.authenticateUser(username, password, role, new AsyncCallback<String>() {

            @Override

            public void onSuccess(String result) {

                if (result != null) {

                    GWT.log(result + " logged in catalog dashboard");

                    root.clear();

                    initMainDB(uname);

                    login.clearFields();

                } else {

                    login.setErrorText("Invalid username/password");    

                }

            }

            @Override

            public void onFailure(Throwable caught) {

                login.setErrorText("Error in authentication");

            }

        });

    }

    private void initMainDB(String username) {

        DockLayoutPanel dashboard = binder.createAndBindUi(this);

        itemActions.setItemDetails(itemDetails);

        itemList.setItemDetails(itemDetails);

        topPanel.changeGreeting(username);

        topPanel.getSignOutLink().addClickHandler(new ClickHandler() {

            @Override

            public void onClick(ClickEvent event) {

                root.clear();

                root.add(login);

            }

        });

        root.clear();

        root.add(dashboard);

        /**

         * listener for anchors to filter item list based on statuses and some other parameters.

         * On click event, string of the anchor is passed as argument and the same listener is

         * taking different actions based on the different string arguments.

         */

        shortcuts.getCatalogTree().setTreeListener(new CatalogTree.TreeListener() {

            @Override

            public void onTreeItemClicked(String itemsType) {

                if(CatalogTree.ALL_ITEMS.equals(itemsType)) {

                    itemList.loadAllItems();

                } else if(CatalogTree.ALL_PHASED_OUT_ITEMS.equals(itemsType)) { 

                    itemList.loadAllPhasedOutItems();

                } else if(CatalogTree.ALL_PAUSED_ITEMS.equals(itemsType)) { 

                    itemList.loadAllPausedItems();

                } else if(CatalogTree.ALL_ACTIVE_ITEMS.equals(itemsType)) { 

                    itemList.loadAllActiveItems();

                } else if(CatalogTree.IN_PROCESS_ITEMS.equals(itemsType)) { 

                    itemList.loadAllInProcessItems();

                } else if(CatalogTree.CONTENT_COMPLETE_ITEMS.equals(itemsType)) { 

                    itemList.loadAllContentCompleteItems();

                } else if(CatalogTree.RISKY_ITEMS.equals(itemsType)) { 

                    itemList.loadAllRiskyItems();

                } else if(CatalogTree.BEST_DEALS.equals(itemsType)) {

                    itemList.loadBestDeals();

                } else if(CatalogTree.BEST_SELLERS.equals(itemsType)) {

                    itemList.loadBestSellers();

                } else if(CatalogTree.LATEST_ARRIVALS.equals(itemsType)) {

                    itemList.loadLatestArrivals();

                }

            }

        });

    }

}