示例#1
0
 // 编写处理Action事件的方法
 public void process(ActionEvent ae) {
   if (name.equals("疯狂Java讲义")) {
     price.setValue(ae.getComponent());
     price.setSize(60);
     price.setStyle("background-color:#1111ff;" + "font-weight:bold");
   }
 }
  /**
   * Returns a container with "add category" UI
   *
   * @return WFContainer
   */
  private WFContainer getAddCategoryContainer() {
    WFContainer container = new WFContainer();
    WFResourceUtil localizer = WFResourceUtil.getResourceUtilContent();
    // Text
    HtmlOutputText addText = localizer.getTextVB("new_category");
    container.add(addText);
    // Input
    HtmlInputText newCategoryInput = new HtmlInputText();
    newCategoryInput.setSize(40);
    newCategoryInput.setId(getAddCategoryInputId());
    container.add(newCategoryInput);
    // Button
    HtmlCommandButton addCategoryButton = localizer.getButtonVB(getAddButtonId(), "add", this);
    container.add(addCategoryButton);

    return container;
  }
示例#3
0
 // 编写处理Action事件的方法
 public void processAction(ActionEvent event) {
   // 获取当前的FacesContext对象
   FacesContext context = FacesContext.getCurrentInstance();
   // 获取JSF页面中<f:view.../>元素
   UIViewRoot viewRoot = context.getViewRoot();
   // 通过ID获取<f:view.../>内的<h:form.../>子元素。
   UIComponent comp = viewRoot.findComponent("addForm");
   // 通过ID获取<h:form.../>内的第一个<h:inputText.../>子元素。
   UIInput input = (UIInput) comp.findComponent("name");
   // 通过ID获取<h:form.../>内的第二个<h:inputText.../>子元素。
   HtmlInputText price = (HtmlInputText) comp.findComponent("price");
   if (input.getValue().equals("疯狂Java讲义")) {
     price.setSize(60);
     price.setValue("99.0元");
     price.setStyle("background-color:#9999ff;" + "font-weight:bold");
   }
 }
  /**
   * Takes a parent UIComponent and adds all UIComponents which are required for configuring a
   * metric. i.e. metric name, math expression, value, etc.
   *
   * @param metric
   * @param parent
   */
  private void helperCreateUICompsForMetricConfig(MetricBean metric, UIComponent parent) {

    // 1)remove all existing child elements that may have been created previously from ALL
    // pConfigVeryGood, pConfigGood, etc.
    removeAllInputHelpersForMetricConfig();

    // 2) now build the gui elements for building a metric configuration
    // 2a) Add an output text with the metric's name
    HtmlOutputText mnameText = new HtmlOutputText();
    mnameText.setId("metricName" + metric.getInternalID());
    mnameText.setValue(metric.getName());
    // add on parent
    parent.getChildren().add(mnameText);

    // 2b) Select a math expression
    HtmlSelectOneMenu select2 = new HtmlSelectOneMenu();
    select2.setId("mathSelect" + metric.getInternalID());
    UISelectItems items2 = new UISelectItems();
    items2.setId("mathvals" + metric.getInternalID());
    items2.setValue(metric.getAllAvailableTypes());
    Class[] parms2 = new Class[] {ValueChangeEvent.class};
    ExpressionFactory ef =
        FacesContext.getCurrentInstance().getApplication().getExpressionFactory();
    MethodExpression mb =
        ef.createMethodExpression(
            FacesContext.getCurrentInstance().getELContext(),
            "#{AutoEvalSerUserConfigBean.processMathExprChange}",
            null,
            parms2);
    MethodExpressionValueChangeListener vcl = new MethodExpressionValueChangeListener(mb);
    select2.addValueChangeListener(vcl);
    select2.getChildren().add(items2);
    select2.setImmediate(true);

    // place an ajax support on the selectonemenu field
    HtmlAjaxSupport ajaxSupport2 = new HtmlAjaxSupport();
    // Class[] parms = new Class[]{ActionEvent.class};
    // ajaxSupport.setAction(FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{AutoEvalSerUserConfigBean.sliderValue}", parms));
    ajaxSupport2.setEvent("onchange");
    // to add multiple ids for rerendering, separate them with a ","
    ajaxSupport2.setReRender(select2.getId());
    ajaxSupport2.setEventsQueue("foo");
    select2.getFacets().put("a4jsupport2", ajaxSupport2);

    // add to parent
    parent.getChildren().add(select2);

    // 2c) For all input types except boolean values:
    if (metric.isHtmlInputTextUsed()) {
      // enter a boundary value for a specific added metric
      HtmlInputText inputText = new HtmlInputText();
      inputText.setId("metricBoundary" + metric.getInternalID());
      inputText.setValue(metric.getEvalBoundary());
      inputText.setSize(10);
      Class[] parms = new Class[] {ValueChangeEvent.class};
      MethodExpression mb2 =
          ef.createMethodExpression(
              FacesContext.getCurrentInstance().getELContext(),
              "#{AutoEvalSerUserConfigBean.processMetricBoundaryValueChange}",
              null,
              parms);
      MethodExpressionValueChangeListener vcl2 = new MethodExpressionValueChangeListener(mb2);
      inputText.addValueChangeListener(vcl2);
      inputText.setImmediate(true);

      // place an ajax support on the InputText field
      HtmlAjaxSupport ajaxSupport = new HtmlAjaxSupport();
      // Class[] parms = new Class[]{ActionEvent.class};
      // ajaxSupport.setAction(FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{AutoEvalSerUserConfigBean.sliderValue}", parms));
      ajaxSupport.setEvent("onchange");
      // to add multiple ids for rerendering, separate them with a ","
      ajaxSupport.setReRender(inputText.getId());
      ajaxSupport.setEventsQueue("foo");
      inputText.getFacets().put("a4jsupport", ajaxSupport);

      // add to parent
      parent.getChildren().add(inputText);
    } else {
      // add a drop-down box for boolean values
      HtmlSelectOneMenu select = new HtmlSelectOneMenu();
      select.setId("booleanSelect" + metric.getInternalID());
      UISelectItems items = new UISelectItems();
      items.setId("vals" + metric.getInternalID());
      List<SelectItem> l = new ArrayList<SelectItem>();
      l.add(new SelectItem("true"));
      l.add(new SelectItem("false"));
      items.setValue(l);
      Class[] parms = new Class[] {ValueChangeEvent.class};
      MethodExpression mb3 =
          ef.createMethodExpression(
              FacesContext.getCurrentInstance().getELContext(),
              "#{AutoEvalSerUserConfigBean.processMetricBoundaryValueChange}",
              null,
              parms);
      MethodExpressionValueChangeListener vcl3 = new MethodExpressionValueChangeListener(mb3);
      select.addValueChangeListener(vcl3);
      select.getChildren().add(items);
      select.setImmediate(true);

      // place an ajax support on the selectonemenu field
      HtmlAjaxSupport ajaxSupport = new HtmlAjaxSupport();
      // Class[] parms = new Class[]{ActionEvent.class};
      // ajaxSupport.setAction(FacesContext.getCurrentInstance().getApplication().createMethodBinding("#{AutoEvalSerUserConfigBean.sliderValue}", parms));
      ajaxSupport.setEvent("onchange");
      // to add multiple ids for rerendering, separate them with a ","
      ajaxSupport.setReRender(select.getId());
      ajaxSupport.setEventsQueue("foo");
      select.getFacets().put("a4jsupport", ajaxSupport);

      // add to parent
      parent.getChildren().add(select);
    }

    // 2d) finally the submit button for saving the configuration
    HtmlCommandButton button_save = new HtmlCommandButton();
    button_save.setId("buttonSave" + metric.getInternalID());
    button_save.setValue("add config");
    Class[] parms3 = new Class[] {ActionEvent.class};
    MethodExpression mb4 =
        ef.createMethodExpression(
            FacesContext.getCurrentInstance().getELContext(),
            "#{AutoEvalSerUserConfigBean.command_saveMetricConfiguration}",
            null,
            parms3);
    MethodExpressionActionListener vcl4 = new MethodExpressionActionListener(mb4);
    button_save.addActionListener(vcl4);
    UIParameter p = new UIParameter();
    p.setId("param_save_button" + metric.getInternalID());
    p.setName("pConfigPanel");
    p.setValue(parent.getId());
    button_save.getChildren().add(p);

    parent.getChildren().add(button_save);

    HtmlOutputText message = new HtmlOutputText();
    message.setId("message" + metric.getInternalID());
    message.setStyle("color:red;");
    parent.getChildren().add(message);
  }