protected internal virtual void RenderInvalidMessageElement(IFormField formField,
HtmlDocumentBuilder documentBuilder)
{
var divElement = new HtmlElementWriter(DivElement);
var formFieldId = formField.Id;
var ifExpression = string.Format(InvalidExpression + " && " + DirtyExpression, formFieldId, formFieldId);
divElement.Attribute(NgIfAttribute, ifExpression).Attribute(ClassAttribute, HasErrorClass);
// <div ng-if="....$invalid && ....$dirty"...>
documentBuilder.StartElement(divElement);
if (!IsDate(formField))
{
RenderInvalidValueMessage(formField, documentBuilder);
RenderInvalidTypeMessage(formField, documentBuilder);
}
else
{
RenderInvalidDateMessage(formField, documentBuilder);
}
documentBuilder.EndElement();
}
protected internal virtual void RenderInvalidDateMessage(IFormField formField,
HtmlDocumentBuilder documentBuilder)
{
var formFieldId = formField.Id;
var firstDivElement = new HtmlElementWriter(DivElement);
var firstExpression = string.Format(RequiredErrorExpression + " && !" + DateErrorExpression,
formFieldId, formFieldId);
firstDivElement.Attribute(NgShowAttribute, firstExpression)
.Attribute(ClassAttribute, HelpBlockClass)
.TextContent(RequiredFieldMessage);
documentBuilder.StartElement(firstDivElement).EndElement();
var secondDivElement = new HtmlElementWriter(DivElement);
var secondExpression = string.Format(DateErrorExpression, formFieldId);
secondDivElement.Attribute(NgShowAttribute, secondExpression)
.Attribute(ClassAttribute, HelpBlockClass)
.TextContent(InvalidDateFieldMessage);
documentBuilder.StartElement(secondDivElement).EndElement();
}
protected internal virtual void AddCommonFormFieldAttributes(IFormField formField, HtmlElementWriter formControl)
{
var typeName = formField.TypeName;
if (IsEnum(formField) || IsDate(formField))
{
typeName = StringFormType.TypeName;
}
typeName = typeName.Substring(0, 1).ToUpper() + typeName.Substring(1);
var formFieldId = formField.Id;
formControl.Attribute(ClassAttribute, FormControlClass)
.Attribute(NameAttribute, formFieldId)
.Attribute(CamVariableTypeAttribute, typeName)
.Attribute(CamVariableNameAttribute, formFieldId);
// add validation constraints
foreach (var constraint in formField.ValidationConstraints)
{
var constraintName = constraint.Name;
var configuration = (string)constraint.Configuration;
formControl.Attribute(constraintName, configuration);
}
}
/* (non-Javadoc)
* @see com.itextpdf.html2pdf.attach.ITagWorker#getElementResult()
*/
public override IPropertyContainer GetElementResult()
{
if (formField == null)
{
if (hasChildren)
{
ButtonContainer button = new ButtonContainer(name);
Div div = (Div)base.GetElementResult();
foreach (IElement element in div.GetChildren())
{
if (element is IBlockElement)
{
button.Add((IBlockElement)element);
}
else
{
if (element is Image)
{
button.Add((Image)element);
}
}
}
div.GetChildren().Clear();
formField = button;
}
else
{
Button inputButton = new Button(name);
inputButton.SetProperty(Html2PdfProperty.FORM_FIELD_VALUE, fallbackContent.ToString().Trim());
formField = inputButton;
}
}
formField.SetProperty(Html2PdfProperty.FORM_FIELD_FLATTEN, flatten);
return(formField);
}
/// <summary>
/// Adds a field to the form and attaches appropriate events to it.
/// </summary>
/// <param name="field">A field object.</param>
/// <returns>The index of the object in the collection.</returns>
public int AddField(IFormField field)
{
if (field == null)
throw new ArgumentException("Null Argument passed.");
field.PropertyChanged += field_PropertyChanged;
Fields.Add(field);
return Fields.IndexOf(field);
}
protected internal virtual HtmlElementWriter CreateInputField(IFormField formField)
{
var inputField = new HtmlElementWriter(InputElement, true);
AddCommonFormFieldAttributes(formField, inputField);
inputField.Attribute(TypeAttribute, TextInputType);
return(inputField);
}
protected internal virtual ITypedValue CreateVariable(IFormField formField, IVariableScope variableScope)
{
var value = formField.Value;
if (value != null)
{
return(value);
}
return(null);
}
protected internal virtual void RenderSelectOptions(IFormField formField, HtmlDocumentBuilder documentBuilder)
{
//EnumFormType enumFormType = (EnumFormType)formField.Type;
//IDictionary<string, string> values = enumFormType.Values;
//foreach (var value in values)
//{
// // <option>
// var option =
// (new HtmlElementWriter(OPTION_ELEMENT, false)).attribute(VALUE_ATTRIBUTE, value.Key)
// .textContent(value.Value);
// documentBuilder.startElement(option).endElement();
//}
}
protected internal virtual void RenderInvalidValueMessage(IFormField formField,
HtmlDocumentBuilder documentBuilder)
{
var divElement = new HtmlElementWriter(DivElement);
var formFieldId = formField.Id;
var expression = string.Format(RequiredErrorExpression, formFieldId);
divElement.Attribute(NgShowAttribute, expression)
.Attribute(ClassAttribute, HelpBlockClass)
.TextContent(RequiredFieldMessage);
documentBuilder.StartElement(divElement).EndElement();
}
protected internal virtual void RenderSelectOptions(IFormField formField, HtmlDocumentBuilder documentBuilder)
{
//EnumFormType enumFormType = (EnumFormType) formField.Type;
IDictionary <string, string> values = new Dictionary <string, string>(); //= enumFormType.Values;
foreach (var value in values)
{
// <option>
var option =
new HtmlElementWriter(OptionElement, false).Attribute(ValueAttribute, value.Key)
.TextContent(value.Value);
documentBuilder.StartElement(option).EndElement();
}
}
protected internal virtual void RenderSelectBox(IFormField formField, HtmlDocumentBuilder documentBuilder)
{
var selectBox = new HtmlElementWriter(SelectElement, false);
AddCommonFormFieldAttributes(formField, selectBox);
// <select ...>
documentBuilder.StartElement(selectBox);
// <option ...>
RenderSelectOptions(formField, documentBuilder);
// </select>
documentBuilder.EndElement();
}
protected internal virtual bool IsReadOnly(IFormField formField)
{
var validationConstraints = formField.ValidationConstraints;
if (validationConstraints != null)
{
foreach (var validationConstraint in validationConstraints)
{
if ("readonly".Equals(validationConstraint.Name))
{
return(true);
}
}
}
return(false);
}
/* (non-Javadoc)
* @see com.itextpdf.html2pdf.attach.ITagWorker#getElementResult()
*/
public override IPropertyContainer GetElementResult()
{
if (formField == null)
{
if (hasChildren)
{
Button button = new Button(name);
button.SetProperty(Html2PdfProperty.FORM_ACCESSIBILITY_LANGUAGE, lang);
Div div = (Div)base.GetElementResult();
foreach (IElement element in div.GetChildren())
{
if (element is IAccessibleElement)
{
AccessiblePropHelper.TrySetLangAttribute((IAccessibleElement)element, lang);
}
if (element is IBlockElement)
{
button.Add((IBlockElement)element);
}
else
{
if (element is Image)
{
button.Add((Image)element);
}
}
}
div.GetChildren().Clear();
formField = button;
}
else
{
InputButton inputButton = new InputButton(name);
inputButton.SetProperty(Html2PdfProperty.FORM_ACCESSIBILITY_LANGUAGE, lang);
inputButton.SetProperty(Html2PdfProperty.FORM_FIELD_VALUE, fallbackContent.ToString().Trim());
formField = inputButton;
}
}
formField.SetProperty(Html2PdfProperty.FORM_FIELD_FLATTEN, flatten);
return(formField);
}
protected internal virtual void RenderInputField(IFormField formField, HtmlDocumentBuilder documentBuilder)
{
var inputField = new HtmlElementWriter(InputElement, true);
AddCommonFormFieldAttributes(formField, inputField);
var inputType = !IsBoolean(formField) ? TextInputType : CheckboxInputType;
inputField.Attribute(TypeAttribute, inputType);
// add default value
var defaultValue = formField.DefaultValue;
if (defaultValue != null)
{
inputField.Attribute(ValueAttribute, defaultValue.ToString());
}
// <input ... />
documentBuilder.StartElement(inputField).EndElement();
}
protected internal virtual void RenderFormField(IFormField formField, HtmlDocumentBuilder documentBuilder)
{
// start group
var divElement = new HtmlElementWriter(DivElement).Attribute(ClassAttribute, FormGroupClass);
documentBuilder.StartElement(divElement);
var formFieldId = formField.Id;
var formFieldLabel = formField.Label;
// write label
if (!ReferenceEquals(formFieldLabel, null) && (formFieldLabel.Length > 0))
{
var labelElement =
new HtmlElementWriter(LabelElement).Attribute(ForAttribute, formFieldId)
.TextContent(formFieldLabel);
// <label for="...">...</label>
documentBuilder.StartElement(labelElement).EndElement();
}
// render form control
if (IsEnum(formField))
{
RenderSelectBox(formField, documentBuilder);
}
else if (IsDate(formField))
{
RenderDatePicker(formField, documentBuilder);
}
else
{
RenderInputField(formField, documentBuilder);
}
RenderInvalidMessageElement(formField, documentBuilder);
// end group
documentBuilder.EndElement();
}
protected internal virtual void RenderInvalidTypeMessage(IFormField formField,
HtmlDocumentBuilder documentBuilder)
{
var divElement = new HtmlElementWriter(DivElement);
var formFieldId = formField.Id;
var expression = string.Format(TypeErrorExpression, formFieldId);
var typeName = formField.TypeName;
if (IsEnum(formField))
{
typeName = StringFormType.TypeName;
}
divElement.Attribute(NgShowAttribute, expression)
.Attribute(ClassAttribute, HelpBlockClass)
.TextContent(string.Format(TypeFieldMessage, typeName));
documentBuilder.StartElement(divElement).EndElement();
}
/// <summary>
/// Creates a new
/// <see cref="AbstractTextFieldRenderer"/>
/// instance.
/// </summary>
/// <param name="modelElement">the model element</param>
internal AbstractTextFieldRenderer(IFormField modelElement)
: base(modelElement)
{
}
public static HtmlString EditorFor(this HtmlHelper Html, IFormField field, IForm form)
{
object value = form?.GetValue(field.ID);
var htmlAttribs = new Dictionary <string, object>()
{
{ "class", "form-control" + (field.DataType.IsFile() ? "-file" : "") + (field.IsOptions ? " Option" : "") + (field.IsDate ? " datepicker" : "") }
};
if (field.IsMandatory)
{
htmlAttribs.Add("required", "");
}
if (field.DataType == DataTypes.MULTI_SELECT_OPTIONS)
{
htmlAttribs.Add("multiple", "");
}
if (!string.IsNullOrWhiteSpace(field.Hint))
{
htmlAttribs.Add("placeholder", field.Hint);
}
var @readonly = form != null && form.ID > 0 && !field.IsEditable;
if (@readonly)
{
htmlAttribs.Add(field.IsOptions || field.IsBoolean ? "disabled" : "readonly", "");
}
var validationMsg = Html.ValidationMessage(field.FieldName, new { @class = "text-danger" }).ToHtmlString();
if (field.DataType.IsString())
{
if (field.MinValue.HasValue)
{
htmlAttribs.Add("minlength", field.MinValue.Value);
}
if (field.MaxValue.HasValue)
{
htmlAttribs.Add("maxlength", field.MaxValue.Value);
}
}
if (field.IsDate)
{
if (field.MinValue.HasValue)
{
htmlAttribs.Add("min", new DateTime(field.MinValue.Value).ToString("yyy-MM-dd"));
}
if (field.MaxValue.HasValue)
{
htmlAttribs.Add("max", new DateTime(field.MaxValue.Value).ToString("yyy-MM-dd"));
}
}
if (field.DataType == DataTypes.OPTIONS)
{
return(new HtmlString(Html.DropDownList(field.FieldName, new SelectList(field.Options, value), "Select..", htmlAttribs).ToHtmlString() + validationMsg));
}
if (field.DataType == DataTypes.MULTI_SELECT_OPTIONS)
{
string[] values = null;
try
{
values = JsonConvert.DeserializeObject <string[]>(value?.ToString());
}
catch { }
return(new HtmlString(Html.DropDownList(field.FieldName, new MultiSelectList(field.Options, values), "Select..", htmlAttribs).ToHtmlString() + validationMsg));
}
else if (field.DataType == DataTypes.MULTI_LINE_TEXT || field.DataType == DataTypes.STREET_ADDRESS)
{
return(new HtmlString(Html.TextArea(field.FieldName, (string)value, htmlAttribs).ToHtmlString() + validationMsg));
}
else if (field.DataType == DataTypes.BOOLEAN)
{
return(new HtmlString($"<input name='{field.FieldName}' type='checkbox' value='true' {((bool?)value == true ? "checked" : "")} {(@readonly ? "readonly" : "")} />"));
}
if (field.DataType.IsNumeric())
{
if (field.MinValue.HasValue)
{
htmlAttribs.Add("min", field.MinValue.Value);
}
if (field.MaxValue.HasValue)
{
htmlAttribs.Add("max", field.MaxValue.Value);
}
}
htmlAttribs.Add("type", field.DataType.GetInputType());
if (field.DataType == DataTypes.THUMBNAIL)
{
htmlAttribs.Add("accept", "image/*");
htmlAttribs.Add("capture", "user");
validationMsg += "<div class='text-info small'><i class='mdi mdi-alert'></i> Recommended size is 256x256. Larger images will be cropped!</div>";
value = null;
}
return(new HtmlString(Html.TextBox(field.FieldName, value, htmlAttribs).ToHtmlString() + validationMsg));
}
protected internal virtual bool IsBoolean(IFormField formField)
{
return(true);
//return BooleanFormType.TYPE_NAME.Equals(formField.TypeName);
}
protected internal virtual bool IsDate(IFormField formField)
{
return(DateFormType.TypeName.Equals(formField.TypeName));
}
/// <summary>
/// Removes the form field object specified by duplicate within the Fields collection.
/// </summary>
/// <param name="field"></param>
/// <returns>Whether or not the field was successfully removed from the collection.</returns>
public bool RemoveField(IFormField field)
{
bool removeSuccessful = false;
if (field == null)
throw new ArgumentException("Null object argument passed.");
try
{
field.PropertyChanged -= field_PropertyChanged;
Fields.Remove(field);
removeSuccessful = true;
}
catch
{
removeSuccessful = false;
}
return removeSuccessful;
}
// helper /////////////////////////////////////////////////////////////////////////////////////
protected internal virtual bool IsEnum(IFormField formField)
{
return(false);
//return EnumFormType.TYPE_NAME.Equals(formField.TypeName);
}
protected internal virtual void RenderDatePicker(IFormField formField, HtmlDocumentBuilder documentBuilder)
{
//bool isReadOnly = isReadOnly(formField);
// start input-group
var inputGroupDivElement = new HtmlElementWriter(DivElement).Attribute(ClassAttribute, InputGroupClass);
var formFieldId = formField.Id;
// <div>
documentBuilder.StartElement(inputGroupDivElement);
// input field
var inputField = CreateInputField(formField);
//if (!isReadOnly)
{
inputField.Attribute(DatepickerPopupAttribute, DateFormat)
.Attribute(IsOpenAttribute, string.Format(DateFieldOpenedAttribute, formFieldId));
}
// <input ... />
documentBuilder.StartElement(inputField).EndElement();
// if form field is read only, do not render date picker open button
//if (!isReadOnly)
{
// input addon
var addonElement = new HtmlElementWriter(DivElement).Attribute(ClassAttribute, InputGroupBtnClass);
// <div>
documentBuilder.StartElement(addonElement);
// button to open date picker
var buttonElement =
new HtmlElementWriter(ButtonElement).Attribute(TypeAttribute, ButtonButtonType)
.Attribute(ClassAttribute, ButtonDefaultClass)
.Attribute(NgClickAttribute, string.Format(OpenDatepickerFunctionSnippet, formFieldId));
// <button>
documentBuilder.StartElement(buttonElement);
var iconElement = new HtmlElementWriter(Element).Attribute(ClassAttribute, CalendarGlyphicon);
// <i ...></i>
documentBuilder.StartElement(iconElement).EndElement();
// </button>
documentBuilder.EndElement();
// </div>
documentBuilder.EndElement();
var scriptElement =
new HtmlElementWriter(ScriptElement).Attribute(CamScriptAttribute, null)
.Attribute(TypeAttribute, TextFormScriptType)
.TextContent(string.Format(OpenDatepickerSnippet, formFieldId, formFieldId));
// <script ...> </script>
documentBuilder.StartElement(scriptElement).EndElement();
}
// </div>
documentBuilder.EndElement();
}
public static HtmlString ValueDisplay(this HtmlHelper htmlHelper, IForm model, IFormField field, object htmlAttributes = null, object fileDownloadRouteValues = null, bool ignoreInexistantFiles = false)
{
if (field.DataType.IsFile())
{
var Url = new UrlHelper(htmlHelper.ViewContext.RequestContext);
var path = HttpContext.Current.Server.MapPath(model.GetFilePath(field.ID));
if (!ignoreInexistantFiles && !System.IO.File.Exists(path))
{
return(new HtmlString(""));
}
if (field.DataType == DataTypes.THUMBNAIL)
{
var img = new TagBuilder("img");
if (htmlAttributes == null)
{
img.Attributes.Add("style", "max-width:256px");
img.AddCssClass("img-thumbnail shadow-sm");
}
else
{
img.MergeAttributes(HtmlHelper.AnonymousObjectToHtmlAttributes(htmlAttributes));
}
if (!img.Attributes.ContainsKey("src"))
{
img.Attributes.Add("src", Url.Action("GetImage", htmlHelper.ViewContext.RouteData.Values["controller"].ToString(), fileDownloadRouteValues));
}
return(new HtmlString(img.ToString(TagRenderMode.SelfClosing)));
}
new HtmlString("");
}
var value = model.GetValue(field.ID);
if (field.IsBoolean)
{
var boolValue = (bool?)(value) == true;
return(new HtmlString($"<span class='badge-pill badge badge-{(boolValue ? "success" : "danger")}'><i class='mdi mdi-{(boolValue ? "check" : "close")}'></i></span>"));
}
if (string.IsNullOrWhiteSpace(value?.ToString()))
{
return(new HtmlString(""));
}
if (field.DataType == DataTypes.MULTI_SELECT_OPTIONS)
{
try
{
var values = JsonConvert.DeserializeObject <string[]>(value.ToString());
var html = "";
foreach (var item in values)
{
html += $"<span class='badge badge-pill badge-secondary mr-1'>{item}</span>";
}
return(new HtmlString(html));
}
catch { }
}
if (field.DataType.IsURL())
{
value = $"<a href='{value}' target='_blank'>{value}</a>";
}
if (htmlAttributes == null)
{
return(new HtmlString(value.ToString()));
}
var span = new TagBuilder("span");
span.MergeAttributes(HtmlHelper.AnonymousObjectToHtmlAttributes(htmlAttributes));
span.InnerHtml = value.ToString();
return(new HtmlString(span.ToString()));
}