gwt-widgets

Additional GWT widgets with showcase

Build

This is a regular maven project, just type mvn clean package

Deploy

• Build with maven
• Deploy to tomcat/etc
• access http://yourHost:yourPort/warFileName (as main html page is index.html, no need to specify it )

Usage

Code Snippets

  CodeSnippet snippet = new CodeSnippet(SnippetsBundle.BUNDLE.snippet2().getText()) // basic usage : only source code text is provided. 
  //By default dark theme is used for syntax highlight;

  CodeSnippet snippet = new CodeSnippet(SnippetsBundle.BUNDLE.snippet1().getText(), SnippetsBundle.BUNDLE.darkCss()) // specify source code text and css
                .withSnippetName("Code Listing in Dark Scheme with line numbers and copy button #1") //specify code snippet title if necessary
                .withLineNumbersEnabled(true) // configure line numbers support
                .withCodeCopyButtonEnabled(true) // display 'copy to clipboard' button

  // specify another syntax highlight theme via css
  CodeSnippet snippet = new CodeSnippet(SnippetsBundle.BUNDLE.snippet2().getText(), SnippetsBundle.BUNDLE.lightCss()) 
                        .withSnippetName("Code Listing Light Scheme #2")));

Checkboxes

  CheckBox cb = new CheckBox("This is Option #1"); // basic usage
  CheckBox cb2 = new CheckBox("This is Option #2")
      .withChecked(true) // specify if it's checked already
      .withEnabled(false); // disabled checkbox
  cb.addValueChangeHandler(event -> Window.alert("Clicked: " + event.getValue())); // add handler
  CheckBox cb3 = new CheckBox(CheckBoxBundle.BUNDLE.rectangledCheckboxCss(), "This is Option #3"); // specify other css

RadioGroups

  VerticalPanel vp = new VerticalPanel();
  RadioGroup radioGroup = new RadioGroup(); // create group
  //  Or specify other css for the radio group: 
  //  RadioGroup radioGroup = new RadioGroup(RadioButtonBundle.BUNDLE.rectangledRadioButtonCss());
  Arrays.asList("Milk", "Chocolate", "Meat", "Bread")
    .stream()
    .map(label -> radioGroup.createButton(label, true))  //basic usage
    .forEach(radioButton -> vp.add(radioButton));
    
  radioGroup.addValueChangeHandler(event -> Window.alert("Selected: " + event.getValue())); // add handler

Bar Chart

  // create chart
  BarChart barChart = new BarChart("Average Number of Students per Specialization");
  // render data:
  barChart.render(asList(new BarModel(88, "2012"),
                new BarModel(98, "2013"),
                new BarModel(85, "2014"),
                new BarModel(77.5, "2015"),
                new BarModel(64.4, "2016"),
                new BarModel(55, "2017"))); 
  //  Or specify other css : 
  //  BarChart barChart = new BarChart("Total Income", BarChartBundle.BUNDLE.cssDiff());
  ValueChangeHandler<BarModel> handler = event -> new Notification("Selected: " + event.getValue())
                .withType(NotificationType.INFO)
                .withPopupPosition(Position.CENTER)
                .withArrowPosition(ArrowPosition.LEFT)
                .withPopupCloseButtonVisibility(true)
                .withPopupCloseOnBackgroundClick(true)
                .show();
  barChart.addValueChangeHandler(handler); // add bar click handler

Calendar

  Calendar calendar = new Calendar(); // basic usage. Also accepts css as constructor param
  calendar.addValueChangeHandler(event -> Window.alert("Selected: " + event.getValue())); // add handler

Notifications

  // basic usage. Creates notification panel with message, can be added to other panels
  Notification notification = new Notification("This is warning")
                        .withType(NotificationType.WARNING)
                        .withArrowPosition(ArrowPosition.TOP); 
  
  // Shows notification in a popup
  Notification notification2 = new Notification("INFO message")
                .withType(NotificationType.INFO)
                .withPopupPosition(Position.TOP_RIGHT)
                .withArrowPosition(ArrowPosition.LEFT)
                .withPopupCloseButtonVisibility(true) //show or not 'close' button
                .withPopupCloseOnBackgroundClick(true) // if true - popup can be closed via background click
                .show();

TOC Panel

  TocPanel tocPanel = new TocPanel(); // basic usage. Also accepts css as constructor param
  
  TocPanel tocPanel2 = new TocPanel()
      .withLayout(Layout.VERTICAL) // toc panel with vertical layout. Horizontal is default one
      .withHeaderNumbersEnabled(true); // enable header numbers in toc/content (false by default)
  
  //adding single widget
  tocPanel.addWidget("History", new Label("Android is a mobile operating system developed by Google"));
  
  //adding multiple widgets
  tocPanel.addWidgets("History", Arrays.asList(
                new Label("Label1"),
                new Label("Label2"),
                new Label("Label3"),
                new FlowPanel(),
                new VerticalPanel()
                )
        );