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Current File : //home/infra/betheme/betheme/muffin-options/fields/preview/field_preview.js

(function($) {

  /* globals jQuery */

  "use strict";

  var MfnFieldPreview = (function() {

    var $preview = $('.mfn-preview .mfn-button'),
      $group = $preview.closest('.mfn-card-group'),
      $condition = $('.condition', $group);

    var text = $preview.text();

    var systemFonts = [
      'Arial',
      'Georgia',
      'Tahoma',
      'Times',
      'Trebuchet',
      'Verdana'
    ];

    var font = {
      'family' : '',
      'style' : ''
    };

    /**
     * Padding
     */

    function padding( el ){

      var val = el.val(),
        key = el.data('key');

      // auto px

      if( val == parseInt(val, 10) ){
        val = val + 'px';
      }

      $preview.css( 'padding-' + key , val );

    }

    /**
     * Font family
     */

    function fontFamily( el ){

      var val = el.val();

      font['family'] = '';

      if( -1 === $.inArray( val, systemFonts ) ){
        if( typeof WebFont !== 'undefined' ){

          font['family'] = val;

          WebFont.load({
            google: {
              families: [font['family'] + ':400,' + font['style']],
              text: text
            }
          });
        }
      }

      $preview.css( 'font-family', val );

    }

    /**
     * Font
     */

    function fontStyle( el ){

      var val = el.val(),
        key = el.data('key'),
        weight, style;

      // weight & style

      if( 'weight-style' == key ){

        font['style'] = val;

        $preview.css( 'font-weight', val.replace('italic', '') );

        if( -1 === val.indexOf('italic') ){
          $preview.css( 'font-style', 'normal' );
        } else {
          $preview.css( 'font-style', 'italic' );
        }

        if( font['family'] ){
          WebFont.load({
            google: {
              families: [font['family'] + ':400,' + font['style']],
              text: text
            }
          });
        }

        return true;
      }

      // auto px

      if( val == parseInt(val, 10) ){
        val = val + 'px';
      }

      // line height

      if( 'font-size' == key ){
        $preview.css( 'line-height', val );
      }

      $preview.css( key, val );
    }

    /**
     * Color
     */

    function color( el, val ){

      var selector = "." + el.data('key');

      if( el.closest('.form-content').hasClass('highlighted') ){
        selector += "." + 'highlighted';
      }

      $preview.filter( selector ).first().css( 'color', val );

    }

    /**
     * Background
     */

    function background( el, val ){

      var selector = "." + el.data('key');

      if( el.closest('.form-content').hasClass('highlighted') ){
        selector += "." + 'highlighted';
      }

      $preview.filter( selector ).first().css( 'background-color', val );

    }

    /**
     * Border color
     */

    function borderColor( el, val ){

      var selector = "." + el.data('key');

      if( el.closest('.form-content').hasClass('highlighted') ){
        selector += "." + 'highlighted';
      }

      $preview.filter( selector ).first().css( 'border-color', val );

    }

    /**
     * Border width
     */

    function borderWidth( el ){

      var val = el.val() + 'px';

      $preview.css( 'border-width', val );

    }

    /**
     * Border radius
     */

    function borderRadius( el ){

      var val = el.val() + 'px';

      $preview.css( 'border-radius', val );

    }

    /**
     * Attach events to buttons
     */

    function bind() {

      $preview.on('click', function(e){
        e.preventDefault();
      })

      $('.preview-padding input').on('change', function() {
        padding( $(this) );
      });

      $('.preview-font-family select').on('change', function() {
        fontFamily( $(this) );
      });

      $('.preview-font input, .preview-font select').on('change', function(e) {
        fontStyle( $(this) );
      });

      $('.preview-border-width input').on('change', function() {
        borderWidth( $(this) );
      });

      $('.preview-border-radius input').on('change', function() {
        borderRadius( $(this) );
      });

      $('.preview-color .has-colorpicker').on('change', function(e, value) {
        color( $(this), $(this).val() );
      });

      $('.preview-background .has-colorpicker').on('change', function(e, value) {
        background( $(this), $(this).val() );
      });

      $('.preview-border-color .has-colorpicker').on('change', function(e, value) {
        borderColor( $(this), $(this).val() );
      });

    }

    /**
     * Preview state on document ready
     */

    function ready(){

      if( mfn_fonts ){
        systemFonts = systemFonts.concat( mfn_fonts );
      }

      $('.preview-padding input').trigger('change');
      $('.preview-font-family select').trigger('change');
      $('.preview-font input, .preview-font select').trigger('change');
      $('.preview-color input').trigger('change');
      $('.preview-background input').trigger('change');
      $('.preview-border-width input').trigger('change');
      $('.preview-border-color input').trigger('change');
      $('.preview-border-radius input').trigger('change');

      $( 'input', $condition ).on('change', function(){
        custom();
      });

    }

    /**
     * Show/hide custom controls
     */

    function custom(){

      var val = $('input:checked', $condition).val();

      if( 'custom' != val ){
        val = 'old';
      }

      $('.mfn-ui').attr('data-buttons', val);

      $(window).trigger('resize');

    }

    /**
     * Runs whole script.
     */

    function init() {
      bind();
      ready();
      custom();
    }

    /**
     * Return
     * Method to start the closure
     */

    return {
      init: init
    };

  })();

  /**
   * $(document).ready
   * Specify a function to execute when the DOM is fully loaded.
   */

  $(function() {
    MfnFieldPreview.init();
  });

})(jQuery);

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