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README.md

Javascript Class: LinkParam

created Javascript Class Creator JSCC 2017/11/14 11:37:47

https://niebert.github.io/JavascriptClassCreator

File: js/linkparam.js

Demo LinkParam: https://niebert.github.io/LinkParam/index.html

The file index.html sends the values via the Link Parameter.

The demo works cross-origine. You can submit a parameter cross-origine to the file receiver.html. Copy index.html to your hard drive and press the submit button.

Examples:

NPM Module: https://www.npmjs.com/package/linkparam

UML

NPM Build

The part of build process is defined by build.js and the chain of code generation can be executed with

npm run build

NPM installation

Installation with NPM and save the package to your dependencies (i.e. add entry linkparam as package in your package.json) with npm install linkparam --save Assume you will use this package in your NodeJS application my_web_app with the main file index.js. With the command above any other user, that installs your package my_web_app will install linkparam as well due to the dependency of my_web_app with the library linkparam.js. When you want to replace the package linkparam with another NPM package, edit your package.json and remove linkparam from the dependencies.

Javascript Class: LinkParam

created Javascript Class Creator JSCC 2017/12/27 9:30:40 https://niebert.github.io/JavascriptClassCreator File: js/linkparam.js

Attributes: LinkParam

size:Integer

  • Default value: 0
  • Visibility: public
  • Comment: Counts the Number of Parameter

aVars:Hash

  • Default value: {}
  • Visibility: public
  • Comment: Attribute: 'aVars' Type: 'Hash' stores all URL parameters

aLink:String

  • Default value: ""
  • Visibility: public
  • Comment: Attribute: 'aLink' Type: 'String' stores the Link before '?'

Methods: LinkParam

init(pDoc:Document)

  • Visibility: public init extract the link with parameters from document.location.search and store aLink)

parseURL(pLink:String):String

  • Return Type: String
  • Visibility: public parses the URL stores the variables in 'aVar' e.g. ..&lastname=Niehaus&... stores aVars['name']='Niehaus')String

getURL(pVarHash:Hash):String

  • Return Type: String
  • Visibility: public Comment for getLink)String

setValue(pVar:String,pValue:String)

  • Visibility: public Comment for setValue)

getValue(pVar:String):String

  • Return Type: String
  • Visibility: public Comment for getValue(pVar) return the definition of the parameter exists otherwise en empty string)String

deleteValue(pVar:String)

  • Visibility: public Comment for deleteValue in the parameter hash aVars return a Boolean if delete was sucessful, resp. variable pVar exists in Hash aVars)

getLink4URL():String

  • Return Type: String
  • Visibility: public get the Link part of the URL without the URL parameters)String

getParam4URL():String

  • Return Type: String
  • Visibility: public get the parameter string for the URL starting with ? if aVars contains variables)String

decodeParam(pParam:String):String

  • Return Type: String
  • Visibility: public decode a parameter from the URL)String

encodeParam(pParam:String)

  • Visibility: public encode a parameter for a call from the app.)

getTableHTML():String

  • Return Type: String
  • Visibility: public creates a HTML table with two column for key and value of the parameter hash aVars)String

getEditTableHTML(pPrefixID:String):String

  • Return Type: String
  • Visibility: public creates a Edit HTML table with two column for key and value of the parameter hash aVars. The keys of aVars are used as IDs for the HTML form. An optional ID prefix as parameter can be used to create a unique ID for the DOM elements All parameters are visible in an input field.)String

calcSize()

  • Visibility: public calculates the number of variables defined in the URL parameters, stores result in length)

encodeHTML(pValue:String,pWrapCode:Boolean):String

  • Return Type: String
  • Visibility: public Encodes source code for HTML-Output in as code or textarea in the following way:
  1. Replace "&" character with "&"
  2. Replace "<" character with "&lt;"
  3. Replace ">" character with "&gt;" The converted pValue will wrapped with pre and code tags for direct display as HTML and without code tag wrapper if the code is written as inner HTML and value to a textarea.)
  • Return: String

exists(pVar:String):Boolean

  • Return Type: Boolean
  • Visibility: public checks if the parameter with variable 'pVar' exists in parameter hash this.aVars)Boolean

About

LinkParameter is a respository of a Javascript class that is able to read information from URL parameter (i.e. part of the URL behind "?")

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