com.google.gwt.sample.stockwatcher.client.StockWatcherView.java Source code

Introduction

Here is the source code for com.google.gwt.sample.stockwatcher.client.StockWatcherView.java

Source

package com.google.gwt.sample.stockwatcher.client;

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.event.dom.client.HasClickHandlers;
import com.google.gwt.event.dom.client.HasKeyPressHandlers;
import com.google.gwt.event.shared.EventBus;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasText;
import com.google.gwt.user.client.ui.HasValue;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * Entry point classes define <code>onModuleLoad()</code>.
 */
public class StockWatcherView extends Composite implements StockWatcherDisplay {
    private static final AppConstants CONSTANTS = GWT.create(AppConstants.class);
    private VerticalPanel mainPanel;
    private FlexTable stocksFlexTable;
    private TextBox newSymbolTextBox;
    private Button addButton;
    private Label lastUpdatedLabel;
    private Image image;
    EventBus eventBus;
    private Presenter presenter;

    SimplePanel viewPanel = new SimplePanel();

    public StockWatcherView(ClientFactory clientFactory) {
        this.eventBus = clientFactory.getEventBus();
        initWidget(viewPanel);
        onInit();
    }

    public void onInit() {
        mainPanel = new VerticalPanel();
        mainPanel.setSize("301px", "300px");
        viewPanel.add(mainPanel);

        image = new Image("images/googlecode.png");
        mainPanel.add(image);

        stocksFlexTable = new FlexTable();
        stocksFlexTable.setStyleName("watchList");
        // Add these lines
        stocksFlexTable.setText(0, 0, CONSTANTS.Symbol());
        stocksFlexTable.setText(0, 1, CONSTANTS.Price());
        stocksFlexTable.setText(0, 2, CONSTANTS.Change());
        stocksFlexTable.setText(0, 3, CONSTANTS.Remove());

        stocksFlexTable.getRowFormatter().addStyleName(0, "watchListHeader");

        mainPanel.add(stocksFlexTable);

        HorizontalPanel addPanel = new HorizontalPanel();
        mainPanel.add(addPanel);

        newSymbolTextBox = new TextBox();
        newSymbolTextBox.setFocus(true);
        addPanel.add(newSymbolTextBox);
        addButton = new Button(CONSTANTS.addButton_html());
        addButton.setStyleName("gwt-Button-add");
        addPanel.add(addButton);

        lastUpdatedLabel = new Label();
        mainPanel.add(lastUpdatedLabel);
        lastUpdatedLabel.setStyleName("gwt-Label-stockwatcher");

    }

    @Override
    public void addRow(String symbol, final RemoveStockEvent removeStockEvent) {
        int row = stocksFlexTable.getRowCount();
        stocksFlexTable.setText(row, 0, symbol);
        Button removeStock = new Button();
        removeStock.setText("x");
        removeStock.addClickHandler(new ClickHandler() {
            public void onClick(ClickEvent event) {
                eventBus.fireEvent(removeStockEvent);
            }
        });
        stocksFlexTable.setWidget(row, 3, removeStock);
    }

    @Override
    public HasValue<String> getInput() {
        return newSymbolTextBox;
    }

    @Override
    public HasKeyPressHandlers getInputAsKeyPressHandler() {
        return newSymbolTextBox;
    }

    @Override
    public Widget asWidget() {
        return mainPanel;
    }

    @Override
    public HasClickHandlers getAddButton() {
        return addButton;
    }

    @Override
    public HasText getLastUpdated() {
        return lastUpdatedLabel;
    }

    @Override
    public void selectAllInput() {
        newSymbolTextBox.selectAll();
    }

    @Override
    public void setRowData(int row, String priceText, String changePercentage) {
        stocksFlexTable.setText(row, 1, priceText);
        stocksFlexTable.setText(row, 2, changePercentage);
    }

    @Override
    public void removeRow(int row) {
        stocksFlexTable.removeRow(row);
    }

    @Override
    public void setPresenter(Presenter presenter) {
        this.presenter = presenter;
    }

}