org.camunda.bpm.engine.impl.form.engine.AbstractRenderFormDelegate java code examples

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private void myMethod () {
 LocalDateTime l =new LocalDateTime()
LocalDateTime.now()
DateTimeFormatter formatter;String text;formatter.parseLocalDateTime(text)
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}

protected void renderSelectBox(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter selectBox = new HtmlElementWriter(SELECT_ELEMENT, false);
 addCommonFormFieldAttributes(formField, selectBox);
 // <select ...>
 documentBuilder.startElement(selectBox);
 // <option ...>
 renderSelectOptions(formField, documentBuilder);
 // </select>
 documentBuilder.endElement();
}

protected void renderInputField(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter inputField = new HtmlElementWriter(INPUT_ELEMENT, true);
 addCommonFormFieldAttributes(formField, inputField);
 String inputType = !isBoolean(formField) ? TEXT_INPUT_TYPE : CHECKBOX_INPUT_TYPE;
 inputField.attribute(TYPE_ATTRIBUTE, inputType);
 // add default value
 Object defaultValue = formField.getDefaultValue();
 if(defaultValue != null) {
  inputField.attribute(VALUE_ATTRIBUTE, defaultValue.toString());
 }
 // <input ... />
 documentBuilder.startElement(inputField).endElement();
}

protected void renderFormField(FormField formField, HtmlDocumentBuilder documentBuilder) {
 // start group
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT)
   .attribute(CLASS_ATTRIBUTE, FORM_GROUP_CLASS);
 documentBuilder.startElement(divElement);
 String formFieldId = formField.getId();
 String formFieldLabel = formField.getLabel();
 // write label
 if (formFieldLabel != null && !formFieldLabel.isEmpty()) {
  HtmlElementWriter labelElement = new HtmlElementWriter(LABEL_ELEMENT)
    .attribute(FOR_ATTRIBUTE, formFieldId)
    .textContent(formFieldLabel);
  // <label for="...">...</label>
  documentBuilder.startElement(labelElement).endElement();
 }
 // render form control
 if(isEnum(formField)) {
  // <select ...>
  renderSelectBox(formField, documentBuilder);
 } else if (isDate(formField)){
  renderDatePicker(formField, documentBuilder);
 } else {
  // <input ...>
  renderInputField(formField, documentBuilder);
 }
 renderInvalidMessageElement(formField, documentBuilder);
 // end group
 documentBuilder.endElement();
}

protected void renderInvalidMessageElement(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT);
 String formFieldId = formField.getId();
 String ifExpression = String.format(INVALID_EXPRESSION + " && " + DIRTY_EXPRESSION, formFieldId, formFieldId);
 divElement
   .attribute(NG_IF_ATTRIBUTE, ifExpression)
   .attribute(CLASS_ATTRIBUTE, HAS_ERROR_CLASS);
 // <div ng-if="....$invalid && ....$dirty"...>
 documentBuilder.startElement(divElement);
 if (!isDate(formField)) {
  renderInvalidValueMessage(formField, documentBuilder);
  renderInvalidTypeMessage(formField, documentBuilder);
 } else {
  renderInvalidDateMessage(formField, documentBuilder);
 }
 documentBuilder.endElement();
}

protected void addCommonFormFieldAttributes(FormField formField, HtmlElementWriter formControl) {
 String typeName = formField.getTypeName();
 if (isEnum(formField) || isDate(formField)) {
  typeName = StringFormType.TYPE_NAME;
 }
 typeName = typeName.substring(0, 1).toUpperCase() + typeName.substring(1);
 String formFieldId = formField.getId();
 formControl
   .attribute(CLASS_ATTRIBUTE, FORM_CONTROL_CLASS)
   .attribute(NAME_ATTRIBUTE, formFieldId)
   .attribute(CAM_VARIABLE_TYPE_ATTRIBUTE, typeName)
   .attribute(CAM_VARIABLE_NAME_ATTRIBUTE, formFieldId);
 // add validation constraints
 for (FormFieldValidationConstraint constraint : formField.getValidationConstraints()) {
  String constraintName = constraint.getName();
  String configuration = (String) constraint.getConfiguration();
  formControl.attribute(constraintName, configuration);
 }
}

protected void renderDatePicker(FormField formField, HtmlDocumentBuilder documentBuilder) {
 boolean isReadOnly = isReadOnly(formField);
 HtmlElementWriter inputField = createInputField(formField);

protected HtmlElementWriter createInputField(FormField formField) {
 HtmlElementWriter inputField = new HtmlElementWriter(INPUT_ELEMENT, true);
 addCommonFormFieldAttributes(formField, inputField);
 inputField.attribute(TYPE_ATTRIBUTE, TEXT_INPUT_TYPE);
 return inputField;
}

protected void renderInvalidTypeMessage(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT);
 String formFieldId = formField.getId();
 String expression = String.format(TYPE_ERROR_EXPRESSION, formFieldId);
 String typeName = formField.getTypeName();
 if (isEnum(formField)) {
  typeName = StringFormType.TYPE_NAME;
 }
 divElement
   .attribute(NG_SHOW_ATTRIBUTE, expression)
   .attribute(CLASS_ATTRIBUTE, HELP_BLOCK_CLASS)
   .textContent(String.format(TYPE_FIELD_MESSAGE, typeName));
 documentBuilder
   .startElement(divElement)
   .endElement();
}

protected String renderFormData(FormData formData) {
 if(formData == null
   || (formData.getFormFields() == null || formData.getFormFields().isEmpty())
   && (formData.getFormProperties() == null || formData.getFormProperties().isEmpty())) {
  return null;
 } else {
  HtmlElementWriter formElement = new HtmlElementWriter(FORM_ELEMENT)
    .attribute(NAME_ATTRIBUTE, GENERATED_FORM_NAME)
    .attribute(ROLE_ATTRIBUTE, FORM_ROLE);
  HtmlDocumentBuilder documentBuilder = new HtmlDocumentBuilder(formElement);
  // render fields
  for (FormField formField : formData.getFormFields()) {
   renderFormField(formField, documentBuilder);
  }
  // render deprecated form properties
  for (FormProperty formProperty : formData.getFormProperties()) {
   renderFormField(new FormPropertyAdapter(formProperty), documentBuilder);
  }
  // end document element
  documentBuilder.endElement();
  return documentBuilder.getHtmlString();
 }
}

protected void renderInvalidMessageElement(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT);
 String formFieldId = formField.getId();
 String ifExpression = String.format(INVALID_EXPRESSION + " && " + DIRTY_EXPRESSION, formFieldId, formFieldId);
 divElement
   .attribute(NG_IF_ATTRIBUTE, ifExpression)
   .attribute(CLASS_ATTRIBUTE, HAS_ERROR_CLASS);
 // <div ng-if="....$invalid && ....$dirty"...>
 documentBuilder.startElement(divElement);
 if (!isDate(formField)) {
  renderInvalidValueMessage(formField, documentBuilder);
  renderInvalidTypeMessage(formField, documentBuilder);
 } else {
  renderInvalidDateMessage(formField, documentBuilder);
 }
 documentBuilder.endElement();
}

protected void addCommonFormFieldAttributes(FormField formField, HtmlElementWriter formControl) {
 String typeName = formField.getTypeName();
 if (isEnum(formField) || isDate(formField)) {
  typeName = StringFormType.TYPE_NAME;
 }
 typeName = typeName.substring(0, 1).toUpperCase() + typeName.substring(1);
 String formFieldId = formField.getId();
 formControl
   .attribute(CLASS_ATTRIBUTE, FORM_CONTROL_CLASS)
   .attribute(NAME_ATTRIBUTE, formFieldId)
   .attribute(CAM_VARIABLE_TYPE_ATTRIBUTE, typeName)
   .attribute(CAM_VARIABLE_NAME_ATTRIBUTE, formFieldId);
 // add validation constraints
 for (FormFieldValidationConstraint constraint : formField.getValidationConstraints()) {
  String constraintName = constraint.getName();
  String configuration = (String) constraint.getConfiguration();
  formControl.attribute(constraintName, configuration);
 }
}

protected void renderDatePicker(FormField formField, HtmlDocumentBuilder documentBuilder) {
 boolean isReadOnly = isReadOnly(formField);
 HtmlElementWriter inputField = createInputField(formField);

protected HtmlElementWriter createInputField(FormField formField) {
 HtmlElementWriter inputField = new HtmlElementWriter(INPUT_ELEMENT, true);
 addCommonFormFieldAttributes(formField, inputField);
 inputField.attribute(TYPE_ATTRIBUTE, TEXT_INPUT_TYPE);
 return inputField;
}

protected void renderInvalidTypeMessage(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT);
 String formFieldId = formField.getId();
 String expression = String.format(TYPE_ERROR_EXPRESSION, formFieldId);
 String typeName = formField.getTypeName();
 if (isEnum(formField)) {
  typeName = StringFormType.TYPE_NAME;
 }
 divElement
   .attribute(NG_SHOW_ATTRIBUTE, expression)
   .attribute(CLASS_ATTRIBUTE, HELP_BLOCK_CLASS)
   .textContent(String.format(TYPE_FIELD_MESSAGE, typeName));
 documentBuilder
   .startElement(divElement)
   .endElement();
}

protected String renderFormData(FormData formData) {
 if(formData == null
   || (formData.getFormFields() == null || formData.getFormFields().isEmpty())
   && (formData.getFormProperties() == null || formData.getFormProperties().isEmpty())) {
  return null;
 } else {
  HtmlElementWriter formElement = new HtmlElementWriter(FORM_ELEMENT)
    .attribute(NAME_ATTRIBUTE, GENERATED_FORM_NAME)
    .attribute(ROLE_ATTRIBUTE, FORM_ROLE);
  HtmlDocumentBuilder documentBuilder = new HtmlDocumentBuilder(formElement);
  // render fields
  for (FormField formField : formData.getFormFields()) {
   renderFormField(formField, documentBuilder);
  }
  // render deprecated form properties
  for (FormProperty formProperty : formData.getFormProperties()) {
   renderFormField(new FormPropertyAdapter(formProperty), documentBuilder);
  }
  // end document element
  documentBuilder.endElement();
  return documentBuilder.getHtmlString();
 }
}

protected void renderFormField(FormField formField, HtmlDocumentBuilder documentBuilder) {
 // start group
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT)
   .attribute(CLASS_ATTRIBUTE, FORM_GROUP_CLASS);
 documentBuilder.startElement(divElement);
 String formFieldId = formField.getId();
 String formFieldLabel = formField.getLabel();
 // write label
 if (formFieldLabel != null && !formFieldLabel.isEmpty()) {
  HtmlElementWriter labelElement = new HtmlElementWriter(LABEL_ELEMENT)
    .attribute(FOR_ATTRIBUTE, formFieldId)
    .textContent(formFieldLabel);
  // <label for="...">...</label>
  documentBuilder.startElement(labelElement).endElement();
 }
 // render form control
 if(isEnum(formField)) {
  // <select ...>
  renderSelectBox(formField, documentBuilder);
 } else if (isDate(formField)){
  renderDatePicker(formField, documentBuilder);
 } else {
  // <input ...>
  renderInputField(formField, documentBuilder);
 }
 renderInvalidMessageElement(formField, documentBuilder);
 // end group
 documentBuilder.endElement();
}

protected void renderInvalidMessageElement(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter divElement = new HtmlElementWriter(DIV_ELEMENT);
 String formFieldId = formField.getId();
 String ifExpression = String.format(INVALID_EXPRESSION + " && " + DIRTY_EXPRESSION, formFieldId, formFieldId);
 divElement
   .attribute(NG_IF_ATTRIBUTE, ifExpression)
   .attribute(CLASS_ATTRIBUTE, HAS_ERROR_CLASS);
 // <div ng-if="....$invalid && ....$dirty"...>
 documentBuilder.startElement(divElement);
 if (!isDate(formField)) {
  renderInvalidValueMessage(formField, documentBuilder);
  renderInvalidTypeMessage(formField, documentBuilder);
 } else {
  renderInvalidDateMessage(formField, documentBuilder);
 }
 documentBuilder.endElement();
}

protected void renderSelectBox(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter selectBox = new HtmlElementWriter(SELECT_ELEMENT, false);
 addCommonFormFieldAttributes(formField, selectBox);
 // <select ...>
 documentBuilder.startElement(selectBox);
 // <option ...>
 renderSelectOptions(formField, documentBuilder);
 // </select>
 documentBuilder.endElement();
}

protected void renderInputField(FormField formField, HtmlDocumentBuilder documentBuilder) {
 HtmlElementWriter inputField = new HtmlElementWriter(INPUT_ELEMENT, true);
 addCommonFormFieldAttributes(formField, inputField);
 String inputType = !isBoolean(formField) ? TEXT_INPUT_TYPE : CHECKBOX_INPUT_TYPE;
 inputField.attribute(TYPE_ATTRIBUTE, inputType);
 // add default value
 Object defaultValue = formField.getDefaultValue();
 if(defaultValue != null) {
  inputField.attribute(VALUE_ATTRIBUTE, defaultValue.toString());
 }
 // <input ... />
 documentBuilder.startElement(inputField).endElement();
}

protected void addCommonFormFieldAttributes(FormField formField, HtmlElementWriter formControl) {
 String typeName = formField.getTypeName();
 if (isEnum(formField) || isDate(formField)) {
  typeName = StringFormType.TYPE_NAME;
 }
 typeName = typeName.substring(0, 1).toUpperCase() + typeName.substring(1);
 String formFieldId = formField.getId();
 formControl
   .attribute(CLASS_ATTRIBUTE, FORM_CONTROL_CLASS)
   .attribute(NAME_ATTRIBUTE, formFieldId)
   .attribute(CAM_VARIABLE_TYPE_ATTRIBUTE, typeName)
   .attribute(CAM_VARIABLE_NAME_ATTRIBUTE, formFieldId);
 // add validation constraints
 for (FormFieldValidationConstraint constraint : formField.getValidationConstraints()) {
  String constraintName = constraint.getName();
  String configuration = (String) constraint.getConfiguration();
  formControl.attribute(constraintName, configuration);
 }
}

How to useAbstractRenderFormDelegate in org.camunda.bpm.engine.impl.form.engine

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AbstractRenderFormDelegate
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org.camunda.bpm.engine.impl.form.engine