/** This is the entry point method. */ public void onModuleLoad() { sendButton = new Button("Send"); nameField = new TextBox(); nameField.setText("GWT User"); errorLabel = new Label(); // We can add style names to widgets sendButton.addStyleName("sendButton"); // Add the nameField and sendButton to the RootPanel // Use RootPanel.get() to get the entire body element RootPanel.get("nameFieldContainer").add(nameField); RootPanel.get("sendButtonContainer").add(sendButton); RootPanel.get("errorLabelContainer").add(errorLabel); // Focus the cursor on the name field when the app loads nameField.setFocus(true); nameField.selectAll(); // Create the popup dialog box dialogBox = new DialogBox(); dialogBox.setText("Remote Procedure Call"); dialogBox.setAnimationEnabled(true); closeButton = new Button("Close"); // We can set the id of a widget by accessing its Element closeButton.getElement().setId("closeButton"); textToServerLabel = new Label(); serverResponseLabel = new HTML(); VerticalPanel dialogVPanel = new VerticalPanel(); dialogVPanel.addStyleName("dialogVPanel"); dialogVPanel.add(new HTML("<b>Sending name to the server:</b>")); dialogVPanel.add(textToServerLabel); dialogVPanel.add(new HTML("<br><b>Server replies:</b>")); dialogVPanel.add(serverResponseLabel); dialogVPanel.setHorizontalAlignment(VerticalPanel.ALIGN_RIGHT); dialogVPanel.add(closeButton); dialogBox.setWidget(dialogVPanel); // Add a handler to close the DialogBox final ClickHandler buttonClickHandler = new ClickHandler() { public void onClick(ClickEvent event) { dialogBox.hide(); sendButton.setEnabled(true); sendButton.setFocus(true); } }; closeButton.addClickHandler(buttonClickHandler); // Add a handler to send the name to the server ChangeEventHandler handler = new ChangeEventHandler(); sendButton.addClickHandler(handler); nameField.addKeyUpHandler(handler); }
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 valit symbol."); newSymbolTextBox.selectAll(); return; } newSymbolTextBox.setText(""); }
public void onModuleLoad() { // Create table for stock data. stocksFlexTable.setText(0, 0, "Symbol"); stocksFlexTable.setText(0, 1, "Price"); stocksFlexTable.setText(0, 2, "Change"); stocksFlexTable.setText(0, 3, "Remove"); // Assemble Add Stock panel. addPanel.add(newSymbolTextBox); addPanel.add(addStockButton); // Assemble Main panel. mainPanel.add(stocksFlexTable); mainPanel.add(addPanel); mainPanel.add(lastUpdateLabel); // Associate the Main panel with the HTML host page. RootPanel.get("stockList").add(mainPanel); // Move cursor focus to the input box. newSymbolTextBox.setFocus(true); initHandlers(); }