Examples of FormItem

com.smartgwt.client.widgets.form.fields.FormItem
An Item that can participate in a DynamicForm, managing some value.
FormItems are never directly created, instead, FormItem descriptors are passed to a DynamicForm. See the {@link com.smartgwt.client.widgets.form.DynamicForm}documentation for details.
org.jboss.as.console.client.widgets.forms.FormItem
@author Heiko Braun @date 2/21/11
org.jboss.ballroom.client.widgets.forms.FormItem
Form item abstraction. @author Heiko Braun @date 2/21/11
org.olat.core.gui.components.form.flexible.FormItem
Summary:
setting panels content is optional and params can always be null
- setXyzKey(String i18nKey, String[] params)
- setErrorComponent(FormItem quickFixWizard)
accessing different panels within velocity of a form item:
- $r.render("formElementName_LABEL")
- $r.render("formElementName_ERROR")
- $r.render("formElementName_EXAMPLE")
find out about form item attributes by querying it from the velocity page with:
- $f.isMandatory("formElementName")
- $f.hasError("formElementName")
- $f.hasExample("formElementName")
- $f.hasLabel("formElementName")
whereas $f. is the {@link FormDecorator} instance in the velocity.

Description:
Each implemented form item consists of 4 panels appearing as div's in the html rendered page. They belong together in a logical way, but are layoutable, e.g. placeable anywhere within a velocity page. The following figure illustrates the logical composition.
- the Element panel
  The form element panel holds for example one or more checkboxes, a dropdownbox, an input field, ... any other html form element, a link!, a custom element!
- the Label panel
  textlabel for the element
- the Error panel
  Either a textlabel as error text or another form element. This form element can then start a subworkflow explaining the error or for fixing the error.
- the Example panel
  example text, explaing an input format or how to proceed with the shown element.
The following figure shows a concrete example of a yes-no switch, the form element is labeled "Depending on date". The screenshot is taken in debug mode mini which is available in development mode only. SingleSelectionImpl is the FormItem implemenation in this case.

The java code to create the above yes-no-switch looks as follows. Please note the anonymous class creation style, with a initializer block. This helps grouping the code:
- 519: dateSwitch is the name of the element in the velocity container
- 521/522: form.easy.dateSwitch is the i18n key for labeling, and the label is made visible.
- 523/524: sets the i18n keys for yes and no, and selects no as default
- 528: add an onclick listener, so you get informed if yes or no is clicked
- 529: final step of adding the form element to form (layout), it is then available in the velocity page layouting the form under the name dateSwitch
The form item goes to a velocity page under defined name, e.g. dateSwitch, and the corresponding logical panels are accessed with the following convention:
- form element name_LABEL
- form element name_ERROR
- form element name_EXAMPLE
It is very common that a layout needs information about whether a form item has an error, example, label or is mandatory. This information is available through a {@link org.olat.core.gui.components.form.flexible.FormDecorator}which can be accessed for example as $f.hasError("dateSwitch").
The {@link FormItem} is aggregated within {@link FormItemContainer} and bothtogether form the composite pattern.
They play together with the {@link Component} and {@link Container}
Initial Date: 24.11.2006
@author patrickb
railo.runtime.type.scope.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#hasError(java.lang.String)
   */
  public boolean hasError(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? false : foco.hasError();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#hasExample(java.lang.String)
   */
  public boolean hasExample(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? false : foco.hasExample();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#hasLabel(java.lang.String)
   */
  public boolean hasLabel(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? false : foco.hasLabel();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#isMandatory(java.lang.String)
   */
  public boolean isMandatory(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? false : foco.isMandatory();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#isEnabled(java.lang.String)
   */
  public boolean isEnabled(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? false : foco.isEnabled();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#isVisible(java.lang.String)
   */
  public boolean isVisible(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? false : foco.isVisible();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#getItemId(java.lang.String)
   */
  public String getItemId(String formItemName) {
    FormItem foco = getFormItem(formItemName);
    return foco == null ? "" : foco.getFormDispatchId();
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem


  /**
   * @see org.olat.core.gui.components.form.flexible.FormDecorator#isSpacerElement(java.lang.String)
   */
  public boolean isSpacerElement(String formItemName) {
    FormItem item = getFormItem(formItemName);
    if (item == null)
      return false;
    else
      return (item instanceof SpacerElement);
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem

   * @param formItemName
   * @return
   */
  private FormItem getFormItem(String formItemName) {
    Map<String, FormItem> comps = container.getFormComponents();
    FormItem foco = comps.get(formItemName);
    return foco;
  }

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Examples of org.olat.core.gui.components.form.flexible.FormItem

    // ......... only one component to be dispatched can be found, e.g. clicked
    // ......... element....................................................
    // ......... dispatch changes server model -> rerendered
    // ......... dispatch may also request a form validation by
    // ......... calling the submit
    FormItem dispatchFormItem = efcv.getDispatchToComponent();
    //.......... doDispatchFormRequest is called on the found item
    //.......... which in turn may call submit(UserRequest ureq).
    //.......... After submitting, which fires a ok/nok event
    //.......... the code goes further with step 3.........................
    if (implicitFormSubmit) {
      //implicit Submit (Press Enter without on a Field without submit item.)
      // see also OLAT-3141
      submit(ureq);
    }else{
      if (dispatchFormItem == null) {
        // source not found. This "never happens". Try to produce some hints.
        String fbc = new String();
        for (FormBasicController i: formListeners) {
          if (fbc.length()>0) {
            fbc += ",";
          }
          fbc+=(i.getClass().getName());
        }
        logWarn("OLAT-5061: Could not determine request source in FlexiForm >"+formName+"<. Check >"+fbc+"<", null);
        
        // TODO: what now? 
        // Assuming the same as "implicitFormSubmit" for now.
        submit(ureq);
        
      } else {
        // ****************************************
        // explicit Submit or valid form dispatch *
        // ****************************************
        dispatchFormItem.doDispatchFormRequest(ureq);
        // step 3: find parent container of dispatched component
        // .......... check dependency rules
        // .......... apply dependency rules
        FindParentFormComponentVisitor fpfcv = new FindParentFormComponentVisitor(
            dispatchFormItem);

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Examples of FormItem

Summary:

Description:

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem

Examples of org.olat.core.gui.components.form.flexible.FormItem