Subversion Repositories SmartDukaan

package in.shop2020.catalog.dashboard.client;

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

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

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

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

import com.google.gwt.resources.client.CssResource;

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

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

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

import com.google.gwt.user.client.Window;

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

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

import com.google.gwt.user.client.ui.HTMLTable.Cell;

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

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

public class ItemList extends ResizeComposite{

    public static final int VISIBLE_ITEMS_COUNT = 10;

    private final CatalogServiceAsync catalogService = GWT.create(CatalogService.class);

    interface ItemListUiBinder extends UiBinder<Widget, ItemList> { }

    private static final ItemListUiBinder uiBinder = GWT.create(ItemListUiBinder.class);

    interface SelectionStyle extends CssResource{

        String selectedRow();

        String alertsRow();

    }

    @UiField FlexTable header;

    @UiField FlexTable itemDescriptionTable;

    @UiField SelectionStyle selectionStyle;

    private int selectedRow = -1;

    private List<Item> items;

    private ItemDetails itemDetails;

    public ItemList() {

        initWidget(uiBinder.createAndBindUi(this));

        initHeader();

        initItemList();

    }

    private void initItemList() {

        loadBestSellers();

        //loadDummyItems();

        //updateItemDescriptionTable(items);

    }

    private void initHeader(){

        // Initialize the header.

        header.getColumnFormatter().setWidth(0, "80px");

        header.getColumnFormatter().setWidth(1, "128px");

        header.getColumnFormatter().setWidth(2, "150px");

        header.getColumnFormatter().setWidth(3, "200px");

        header.getColumnFormatter().setWidth(4, "200px");

        header.getColumnFormatter().setWidth(5, "128px");

        header.getColumnFormatter().setWidth(6, "220px");

        header.setText(0, 0, "Item Id");

        header.setText(0, 1, "Product Group");

        header.setText(0, 2, "Brand");

        header.setText(0, 3, "Model Number");

        header.setText(0, 4, "Model Name");

        header.setText(0, 5, "Color");

        header.setText(0, 6, "Category");

    }

    private void updateItemDescriptionTable(List<Item> items){

        itemDescriptionTable.removeAllRows();

        itemDescriptionTable.getColumnFormatter().setWidth(0, "80px");

        itemDescriptionTable.getColumnFormatter().setWidth(1, "128px");

        itemDescriptionTable.getColumnFormatter().setWidth(2, "150px");

        itemDescriptionTable.getColumnFormatter().setWidth(3, "200px");

        itemDescriptionTable.getColumnFormatter().setWidth(4, "200px");

        itemDescriptionTable.getColumnFormatter().setWidth(5, "128px");

        itemDescriptionTable.getColumnFormatter().setWidth(6, "220px");

        int i=0;

        for(final Item item : items){

            //itemsMap.put(item.getId(), item);

            int col = 0;

            itemDescriptionTable.setText(i, col++, item.getId() + "");

            itemDescriptionTable.setText(i, col++, item.getProductGroup());

            itemDescriptionTable.setText(i, col++, item.getBrand());

            itemDescriptionTable.setText(i, col++, item.getModelNumber());

            itemDescriptionTable.setText(i, col++, item.getModelName());

            itemDescriptionTable.setText(i, col++, item.getColor());

            itemDescriptionTable.setText(i, col++, item.getContentCategory()+"");

            i++;

        }

    }

    @UiHandler("itemDescriptionTable")

    void onClick(ClickEvent event) {

        Cell cell = itemDescriptionTable.getCellForEvent(event);

        int newRowIndex = cell.getRowIndex();

        selectRow(newRowIndex);

        String itemId = itemDescriptionTable.getText(newRowIndex, 0);

        catalogService.getItem(Long.parseLong(itemId), new AsyncCallback<Item>() {

            @Override

            public void onSuccess(Item result) {

                itemDetails.setItemDetails(result);

            }

            @Override

            public void onFailure(Throwable caught) {

                Window.alert("Unable to fetch item details.");

            }

        });

    }

    private void selectRow(int row) {

        String style = selectionStyle.selectedRow();

        if(selectedRow != -1){

            itemDescriptionTable.getRowFormatter().removeStyleName(selectedRow, style);

        }

        itemDescriptionTable.getRowFormatter().addStyleName(row, style);

        selectedRow = row;

    }

    private void loadDummyItems() {

        Item i = new Item(1, "Handset", "Spice", "mi310", "phone", "White", "Business Phone",1, "comments", 1, 1, 

                "", 3000.50, 3000.00, 3000, 3000, 12, 12345, 12345, 12345, 12345, "status", 1,  null, "best", 2990, 1, true, null, null, null);

        List<Item> items = new ArrayList<Item>();

        items.add(i);

        this.items = items;

        //itemsMap.put(i.getId(), i);

    }

    public void loadAllItems() {

        catalogService.getAllItems(new AsyncCallback<List<Item>>() {

            public void onFailure(Throwable caught) {

                caught.printStackTrace();

                Window.alert("Could not get all items...");

            }

            public void onSuccess(List<Item> result) {

                updateItemDescriptionTable(result);

                //setItems(result);

            }

        });

    }

    public void loadAllActiveItems() {

        catalogService.getAllActiveItems(new AsyncCallback<List<Item>>() {

            public void onFailure(Throwable caught) {

                caught.printStackTrace();

                Window.alert("Could not get all active items...");

            }

            public void onSuccess(List<Item> result) {

                updateItemDescriptionTable(result);

                //setItems(result);

            }

        });

    }

    public void loadBestDeals() {

        catalogService.getBestDeals(new AsyncCallback<List<Item>>() {

            public void onFailure(Throwable caught) {

                caught.printStackTrace();

                Window.alert("Could not load best deals.");

            }

            public void onSuccess(List<Item> result) {

                updateItemDescriptionTable(result);

                //setItems(result);

            }

        });

    }

    public void loadLatestArrivals() {

        catalogService.getLatestArrivals(new AsyncCallback<List<Item>>() {

            public void onFailure(Throwable caught) {

                caught.printStackTrace();

                Window.alert("Could not load latest arrivals.");

            }

            public void onSuccess(List<Item> result) {

                updateItemDescriptionTable(result);

                //setItems(result);

            }

        });

    }

    public void loadBestSellers() {

        catalogService.getBestSellers(new AsyncCallback<List<Item>>() {

            public void onFailure(Throwable caught) {

                caught.printStackTrace();

                Window.alert("Could not load best sellers.");

            }

            public void onSuccess(List<Item> result) {

                updateItemDescriptionTable(result);

                //setItems(result);

            }

        });

    }

    public void setItemDetails(ItemDetails itemDetails) {

        this.itemDetails = itemDetails;

    }

}