// Switch to Mata interpreter/compiler
mata:

// Drops class object if it already exists
// mata drop label()

// Definition of HTML Tag label Mata Class
// Defines a labelfor an <input> element// Information retrieved from http://www.w3schools.com/tags/tag_label.asp
class label extends htmlglobal {

    // Define private member variables
    private:

    // Static/final variables
    static       string  scalar  opens, opene, close

    // String scalar attributes
    string               scalar          htmlfor, htmlform

    // Make class args non-static to prevent assignment of class args to all instances of class
    string               scalar          classargs

    // Define public members/methods
    public:

    // Class constructor method
    void         new()

    // Setter methods
    class        label     scalar  setClassArgs(), setFor(), setForm()

    // Getter methods
    string               scalar          getOpens(), getOpene(), getClose(), print(), getClassArgs(), getFor(), getForm()

} // End of class declaration

// Class constructor method declaration
void label::new() {

    // Defines the start of the opening tag for the class
    this.opens = "<label"

    // Defines the end of the opening tag for the class
    this.opene = ">"

    // Defines the closing tag for the class
    this.close = "</label>"

} // End of class constructor method definition

// Setter method for class arguments (appear between HTML tags)
class label scalar label::setClassArgs(| string scalar classarguments) {

    // Defines arguments that appear between HTML tags
    this.classargs = classarguments

    // Return a copy of the object
    return(this)

} // End of setter method for class arguments

// Specifies which form element a label is bound to
class label scalar label::setFor(| string scalar methodarg) {

    // Set the attribute for for this class
    this.htmlfor = `" for=""' + methodarg + `"""'

    // Return a copy of the object
    return(this)

} // End of Method for declaration for class label

// Specifies one or more forms the label belongs to
class label scalar label::setForm(| string scalar methodarg) {

    // Set the attribute form for this class
    this.htmlform = `" form=""' + methodarg + `"""'

    // Return a copy of the object
    return(this)

} // End of Method form declaration for class label

// Getter method for opening bracket
string scalar label::getOpens() {

    // Returns the opening bracket/tag w/o > character to allow attributes
    return(this.opens)

} // End of getter method for opens member of class label

// Getter method for opening bracket closing character
string scalar label::getOpene() {

    // Returns the closing character for the opening bracket
    return(this.opene)

} // End of getter method for opene member of class label

// Getter method for closing bracket
string scalar label::getClose() {

    // Returns the closing bracket/tag
    return(this.close)

} // End of getter method for close member of class label

// Getter method for class arguments
string scalar label::getClassArgs() {

    // Returns the class arguments that appear between the HTML tags
    return(this.classargs)

} // End of getter method for class arguments member of class label

// Getter method for for member variable
string scalar label::getFor() {

    // Returns the for variable
    return(this.htmlfor)

} // End of getter method for for member of class label

// Getter method for form member variable
string scalar label::getForm() {

    // Returns the form variable
    return(this.htmlform)

} // End of getter method for form member of class label

// Get the HTML tag w/attributes and arguments
string scalar label::print() {

    // Create local variables to piece together return string
    string scalar open, args, close

    // Create opening string
    open = getOpens() + getFor() + getForm() + globalAttrs() + getOpene()

    // Get class arguments
    args = getClassArgs()

    // Get closing tag
    close = getClose()

    // Return the complete HTML string
    return(char((10)) + subinstr(open, " >", ">") + args + close + char((10)))

} // End of print method for class label

// End of Mata session
end