// Switch to Mata interpreter/compiler mata: // Drops class object if it already exists // mata drop option() // Definition of HTML Tag option Mata Class // Defines an option in a drop-down list// Information retrieved from http://www.w3schools.com/tags/tag_option.asp class option extends htmlglobal { // Define private member variables private: // Static/final variables static string scalar opens, opene, close // String scalar attributes string scalar htmldisabled, htmllabel, htmlselected, htmlvalue // 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 option scalar setClassArgs(), setDisabled(), setLabel(), setSelected(), setValue() // Getter methods string scalar getOpens(), getOpene(), getClose(), print(), getClassArgs(), getDisabled(), getLabel(), getSelected(), getValue() } // End of class declaration // Class constructor method declaration void option::new() { // Defines the start of the opening tag for the class this.opens = "<option" // Defines the end of the opening tag for the class this.opene = ">" // Defines the closing tag for the class this.close = "</option>" } // End of class constructor method definition // Setter method for class arguments (appear between HTML tags) class option scalar option::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 that an option should be disabled class option scalar option::setDisabled(| string scalar methodarg) { // Set the attribute disabled for this class this.htmldisabled = `" disabled=""' + methodarg + `"""' // Return a copy of the object return(this) } // End of Method disabled declaration for class option // Specifies a shorter label for an option class option scalar option::setLabel(| string scalar methodarg) { // Set the attribute label for this class this.htmllabel = `" label=""' + methodarg + `"""' // Return a copy of the object return(this) } // End of Method label declaration for class option // Specifies that an option should be pre-selected when the page loads class option scalar option::setSelected(| string scalar methodarg) { // Set the attribute selected for this class this.htmlselected = `" selected=""' + methodarg + `"""' // Return a copy of the object return(this) } // End of Method selected declaration for class option // Specifies the value to be sent to a server class option scalar option::setValue(| string scalar methodarg) { // Set the attribute value for this class this.htmlvalue = `" value=""' + methodarg + `"""' // Return a copy of the object return(this) } // End of Method value declaration for class option // Getter method for opening bracket string scalar option::getOpens() { // Returns the opening bracket/tag w/o > character to allow attributes return(this.opens) } // End of getter method for opens member of class option // Getter method for opening bracket closing character string scalar option::getOpene() { // Returns the closing character for the opening bracket return(this.opene) } // End of getter method for opene member of class option // Getter method for closing bracket string scalar option::getClose() { // Returns the closing bracket/tag return(this.close) } // End of getter method for close member of class option // Getter method for class arguments string scalar option::getClassArgs() { // Returns the class arguments that appear between the HTML tags return(this.classargs) } // End of getter method for class arguments member of class option // Getter method for disabled member variable string scalar option::getDisabled() { // Returns the disabled variable return(this.htmldisabled) } // End of getter method for disabled member of class option // Getter method for label member variable string scalar option::getLabel() { // Returns the label variable return(this.htmllabel) } // End of getter method for label member of class option // Getter method for selected member variable string scalar option::getSelected() { // Returns the selected variable return(this.htmlselected) } // End of getter method for selected member of class option // Getter method for value member variable string scalar option::getValue() { // Returns the value variable return(this.htmlvalue) } // End of getter method for value member of class option // Get the HTML tag w/attributes and arguments string scalar option::print() { // Create local variables to piece together return string string scalar open, args, close // Create opening string open = getOpens() + getDisabled() + getLabel() + getSelected() + getValue() + 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 option // End of Mata session end