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EpiJS (NPM)

Some jQuery based scripts, including:

  • A simple AJAX lightbox using Twitter Bootstrap modal
  • A simple Growl-like using Twitter Bootstrap alert
  • A simple table filter
  • A script to hide / show HTML elements based on user input

Installation

Run the following line in your projects root folder yarn add epi-js

Usage

AJAX Modal

A full guide can be found here

Add to your app/javascript/packs/application.js

import { AjaxModal } from 'epigenesys-js'

Via data attribute

Add data-toggle=ajax-modal to your link

Via class

Add ajax-modal class to your link

Via JavaScript

$.ajaxModal(url);

Flash Message

Add to your app/javascript/packs/application.js

import { FlashMessage } from 'epigenesys-js'

For Rails flash fessage

Wrap your flash message in a div with .flash_messages class, e.g.

.flash-messages
  - unless flash.blank?
    - flash.each do |name, msg|
      .alert.fade{ class: "alert-#{ name == :notice ? 'success' : 'error' }" }
        %a.close{ data: { dismiss: :alert } } ×
        = msg

Via JavaScript

$.flashAlert(message, alert_class);

alert_class is alert-notice etc.

Customisation

You can change the markup of the dismiss link by setting the following variable:

$.flashAlert.defaults.dismissLink

Option Filter

Add to your app/javascript/packs/application.js

import { OptionFilter } from 'epigenesys-js'

Via data attributes

Add the jQuery selector of the target input as data-option-filter-target to the source input, e.g.

data-option-filter-target="#input-box-1"

To show an option in the target input when an option is selected in the source input, add the value of the source input as data-option-filter-value, e.g.

data-option-filter-value="1"

When the option with value 1 is selected in source input, only options with data-option-filter-value="1" will be displayed.

You can also add data-option-filter-disable-empty to the source input, so that when there is no options available for the current value, the target input will be disabled.

Responsive Table

Add to your app/javascript/packs/application.js

import { ResponsiveTable } from 'epigenesys-js'

And to your app/javascript/packs/styles.css

import '~epi-js/styles/responsive_table'

Then add .table-responsive-xs or .table-responsive-sm to tables. You can override the label for each table cell by adding data-label to the td element.

Visibility Map

Add to your app/javascript/packs/application.js

import { VisibilityMap } from 'epigenesys-js'

Via data attributes

Set data-visibility-map of a select box, radio button group or check boxes to a JSON string, e.g.

data-visibility-map='{"foo":"#foo","bar":"#bar"}'

Or for SimpleForm, use:

f.input :some_select, input_html: {data: {visibility_map: {foo: '#foo', bar: '#bar'}}}

When the value of the input element is foo, the element #foo will be visible and #bar will be hidden, and vice versa. The value of the JSON key value pair can be any jQuery selectors.

Other options

  1. You can limit the scope of elements to hide / show by providing a JQuery selector as the data-visibility-map-scope attribute. Then only elements within the closest element of input matching the given selector will be affected, e.g.

     .nested-fields
   = f.input :some_select, input_html: {data: {visibility_map_scope: '.nested-fields', visibility_map: {foo: '.foo', bar: '.bar'}}}
   .foo
   .bar

 .nested-fields
   = f.input :some_select, input_html: {data: {visibility_map_scope: '.nested-fields', visibility_map: {foo: '.foo', bar: '.bar'}}}
   .foo
   .bar

    When the value of the first select is set to foo, only the .foo in the first .nested-fields will be displayed

  2. By setting the data-visibility-map-action attribute to hide, elements will be shown by default and only hidden when the given value is selected.

Table filter

This allows you to filter out rows in a table based on an input field.

Add to your app/javascript/packs/application.js

import { TableFilter } from 'epigenesys-js'

Via data attributes

Set data-table-filter-target on the input field you wish to filter by. This should be a selecter for the table tag you want to filter. This needs to have a thead and tbody.

You can overwrite the default 'No record found' message by setting data-no-record on the table. The span of this will default to the number of tr elements in thead, but is customisable with data-no-record-span on the table.

CSS Utilities

Margins and Padding

.margin-top-10 puts a 10px margin at the top etc.

Also can be for specific screen sizes: .margin-top-10-sm

Others

.mini, .nowrap, .display-none