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

import java.util.ArrayList;

//import com.gargoylesoftware.htmlunit.javascript.host.Window;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyPressEvent;
import com.google.gwt.event.dom.client.KeyPressHandler;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.RootPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;

public class StockWatcher implements EntryPoint {

	  private VerticalPanel mainPanel = new VerticalPanel();
	  private FlexTable stocksFlexTable = new FlexTable();
	  private HorizontalPanel addPanel = new HorizontalPanel();
	  private TextBox newSymbolTextBox = new TextBox();
	  private Button addStockButton = new Button("Add");
	  private Label lastUpdatedLabel = new Label();
	  private ListBox liste = new ListBox();
	  private ArrayList<String> stocks = new ArrayList<String>();
	  
	  //add stock method
	  private void addStock(){
			final String symbol = newSymbolTextBox.getText().toUpperCase().trim();
		    newSymbolTextBox.setFocus(true);

		    // Stock code must be between 1 and 10 chars that are numbers, letters, or dots.
		    if (!symbol.matches("^[0-9A-Z\\.]{1,10}$")) {
		      //Window.alert("'" + symbol + "' is not a valid symbol.");		    
		      newSymbolTextBox.selectAll();
		      return;
		    }

		    newSymbolTextBox.setText("");

		    // TODO Don't add the stock if it's already in the table.

		    // TODO Add the stock to the table.

		    // TODO Add a button to remove this stock from the table.

		    // TODO Get the stock price
		 // Don't add the stock if it's already in the table.
		    if (stocks.contains(symbol))
		      return;
		    // Add the stock to the table.
		    int row = stocksFlexTable.getRowCount();
		    stocks.add(symbol);
		    stocksFlexTable.setText(row, 0, symbol);
		    
		 // Add a button to remove this stock from the table.
		    Button removeStockButton = new Button("x");
		    removeStockButton.addClickHandler(new ClickHandler() {
		      public void onClick(ClickEvent event) {
		        int removedIndex = stocks.indexOf(symbol);
		        stocks.remove(removedIndex);
		        stocksFlexTable.removeRow(removedIndex + 1);
		      }
		    });
		    stocksFlexTable.setWidget(row, 3, removeStockButton);
		}
	  /**
	   * Entry point method.
	   */
	  public void onModuleLoad() {
	    //  Create table for stock data.
		  stocksFlexTable.setText(0,0,"Symbol"); // first line, first column 
		  stocksFlexTable.setText(0,1,"Price");
		  stocksFlexTable.setText(0,2,"Change");
		  stocksFlexTable.setText(0,3,"Remove");
		  
		  // Create list box 
		  liste.addItem("projet");
		  liste.addItem("Sous-projet");
		  
	    // Assemble Add Stock panel.
		  addPanel.add(newSymbolTextBox);
		  addPanel.add(addStockButton);
		  
	    //  Assemble Main panel.
		  mainPanel.add(stocksFlexTable);
		  mainPanel.add(addPanel);
		  mainPanel.add(lastUpdatedLabel);
		  mainPanel.add(liste);
		  
	    //  Associate the Main panel with the HTML host page.
		  RootPanel.get("stockList").add(mainPanel);
		  
	    // Move cursor focus to the input box.
		  newSymbolTextBox.setFocus(true);
		  
		  
		// Listen for mouse events on the Add button.
		    addStockButton.addClickHandler(new ClickHandler() {
		      public void onClick(ClickEvent event) {
		        addStock();
		      }
		      });
		 // Listen for keyboard events in the input box.
		    newSymbolTextBox.addKeyPressHandler(new KeyPressHandler() {
		      public void onKeyPress(KeyPressEvent event) {
		        if (event.getCharCode() == KeyCodes.KEY_ENTER) {
		          addStock();
		        }
		      }
		    });
	  }

	}