f3 v0.0.23
F3
Form tree (AKA F3), is a module to create dynamic (client-side) decision trees (D3) with forms.
Dependencies
This first implementation of F3 has some several dependencies:
- jQuery for DOM manipulation.
- jQuery.dForm for dynamic form creation.
- jQuery.validate for form validation.
- PubSubJS: for pub/sub events.
- Bootstrap: for form styles and utilities.
- bootstrap-datepicker and moment: for date and time components.
Instalation
With NPM (using Browserify):
npm install f3 --save
Then, in your front-end module:
var formTree = require('f3')();
Standalone
Copy the file dist/f3.js
or dist/f3.min.js
in your project.
Then, in your .js:
var formTree = f3();
Finaly, to use the formTree
variable, see the available methods, configurations and examples.
Methods
formTree.init()
: This method load all F3 components/types, subscribers and validations.formTree.render($target, tree)
: This method allow render an instance of F3 inside a specific jQuery selector ($target
) using the description of thetree
object.
Configuration
The tree object
This object has all the definitions for the creation of the decision tree. For example, the follow object create a F3 with 3 branches:
- The first branch show a question with two options
- If the user select
Yes
, another question/branch appears - Else, if the user select
No
, the user see the final branch to send the responses
var tree = {
//Every branch is an object inside the array branches
'branches': [
//First visible branch
{
//Every branch need an ID
'branch': '1',
//Form components are inside the html array
'html': [
//A decision component
{
//Component type
'type': 'decision',
//The question for the user
'question': 'Do you like ice cream?',
//The options to answer
'options': [
{
//Label to show
'text': 'Yes',
//If the user select this option, show the branch 1.1
'branch': '1.1'
},
{
//Label to show
'text': 'No',
//If the user doen't like ice cream, show the branch 2
'branch': '2'
}
]
}
]
},
//Branch 1.1
{
//The ID has to be in the format x.x
'branch': '1.1',
'html': [
//This branch has a text component
{
'type': 'text',
'question': 'What flavor do you like?',
//Validation rules
'validation': {
'rules': {
'required': true
},
'messages': {
'required': 'You need write a flavor'
}
}
},
//And a next component
{
'type': 'next',
//Label of the button
'text': 'Next',
//Go to the final branch
'branch': '2',
//But before validate if the user complete the flavor
'validate': true
}
]
},
//The final branch
{
'branch': '2',
//This branch has only an send component
'html':
[
//This component allow know when the user finish the F3
{
'type': 'send',
'text': 'Send'
}
]
}
]
};
TODO
- Explain every F3 component and configuration
- Add more examples
- Use less dependencies
Add tests
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