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Viewing file:     css_editor.js (13.42 KB)      -rw-rw-rw-

/* =========================================================
 * css_editor.js v1.0.1
 * =========================================================
 * Copyright 2014 Wpbakery
 *
 * Shortcodes css editor for edit form backbone/underscore version
 * ========================================================= */
// Safety first
if(_.isUndefined(window.vc)) var vc = {atts: {}};
(function ($) {
  var preloader_url = ajaxurl.replace(/admin\-ajax\.php/, 'images/wpspin_light.gif'),
      template_options = {
        evaluate:    /<#([\s\S]+?)#>/g,
        interpolate: /\{\{\{([\s\S]+?)\}\}\}/g,
        escape:      /\{\{([^\}]+?)\}\}(?!\})/g
      };
  wp.media.controller.VcCssSingleImage = wp.media.controller.VcSingleImage.extend({
    setCssEditor: function(view) {
      if(view) this._css_editor = view;
      return this;
    },
    updateSelection:function () {
      var selection = this.get('selection'),
        id = this._css_editor.getBackgroundImage(),
        attachment;
      if (id) {
        attachment = wp.media.model.Attachment.get(id);
        attachment.fetch();
      }
      selection.reset(attachment ? [ attachment ] : []);
    }
  });
   /**
    * Css editor view.
    * @type {*}
    */
    var VcCssEditor = Backbone.View.extend({
    attrs: {},
    layouts: ['margin', 'border-width', 'padding'],
    positions: ['top', 'right', 'bottom', 'left'],
    $field: false,
    simplify: false,
    $simplify: false,
    events: {
      'click .icon-remove': 'removeImage',
      'click .vc_add-image': 'addBackgroundImage',
      'change .vc_simplify': 'changeSimplify'
      // 'change [data-attribute]': 'attributeChanged'
    },
    initialize: function() {
      // _.bindAll(wp.media.vc_css_editor, 'open');
      _.bindAll(this, 'setSimplify')
    },
    attributeChanged: function(e) {
      var $control, attr_name;
      e.preventDefault();
      if(this.simplify) {
        $control = $(e.currentTarget);
        attr_name = $control.data('attribute');
        this.$el.find('[data-attribute=' + attr_name +']:not(.vc_top)').val($control.val());
      }
    },
    render: function(value) {
      this.attrs = {};
      this.$simplify = this.$el.find('.vc_simplify');
      _.isString(value) && this.parse(value);
      // wp.media.vc_css_editor.init(this);
      return this;
    },
    parse: function(value) {
      var data_split = value.split(/\s*(\.[^\{]+)\s*\{\s*([^\}]+)\s*\}\s*/g);
      data_split[2] && this.parseAtts(data_split[2].replace(/\s+!important/g, ''));
    },
    addBackgroundImage: function(e) {
      e.preventDefault();
      if (this.image_media)
        return this.image_media.open('vc_editor');
      this.image_media = wp.media({
        state:'vc_single-image',
        states:[ new wp.media.controller.VcCssSingleImage().setCssEditor(this) ]
      });
      this.image_media.on('toolbar:create:vc_single-image', function (toolbar) {
        this.createSelectToolbar(toolbar, {
          text: window.i18nLocale.set_image
        });
      }, this.image_media);

      this.image_media.state('vc_single-image').on('select', this.setBgImage);
      this.image_media.open('vc_editor');
    },
    setBgImage: function() {
      var selection = this.get('selection').single();
      selection && this._css_editor.$el.find('.vc_background-image .vc_image').html(_.template($('#vc_css-editor-image-block').html(), selection.attributes, _.extend({variable: 'img'}, template_options)));
    },
    setCurrentBgImage: function(value) {
      var image_regexp = /([^\?]+)(\?id=\d+){0,1}/, url = '', id = '', image_split;
      if(value.match(/^\d+$/)) {
        this.$el.find('.vc_background-image .vc_image').html(_.template($('#vc_css-editor-image-block').html(), {url: preloader_url, id: value, css_class: 'vc_preview'}, _.extend({variable: 'img'}, template_options)));
        $.ajax({
          type:'POST',
          url:window.ajaxurl,
          data:{
            action:'wpb_single_image_src',
            content: value,
            size: 'full'
          },
          dataType:'html',
          context:this
        }).done(function (url) {
            this.$el.find('.vc_ce-image').attr('src', url + '?id=' + value).removeClass('vc_preview');
          });
      } else if(value.match(image_regexp)) {
        image_split = value.split(image_regexp);
        url = image_split[1];
        if(image_split[2]) id = image_split[2].replace(/[^\d]+/, '');
        this.$el.find('.vc_background-image .vc_image').html(_.template($('#vc_css-editor-image-block').html(), {url: url, id: id}, _.extend({variable: 'img'}, template_options)));
      }
    },
    changeSimplify: function(e) {
      var f = _.debounce(this.setSimplify, 100);
      f && f();
    },
    setSimplify: function() {
      this.simplifiedMode(this.$simplify.is(':checked'));

    },
    simplifiedMode: function(enable) {
      if(enable) {
        this.simplify = true;
        this.$el.addClass('vc_simplified');
      } else {
        this.simplify = false;
        this.$el.removeClass('vc_simplified');
        _.each(this.layouts, function(attr){
          if(attr === 'border-width') attr = 'border';
          var $control = $('[data-attribute=' + attr +'].vc_top');
          this.$el.find('[data-attribute=' + attr +']:not(.vc_top)').val($control.val());
        }, this);
      }
    },
    removeImage: function(e) {
      var $control = $(e.currentTarget);
      e.preventDefault();
      $control.parent().remove();
    },
    getBackgroundImage: function() {
      return this.$el.find('.vc_ce-image').data('imageId');
    },
    parseAtts: function(string) {
	    var border_regex =  /(\d+\S*)\s+(\w+)\s+([\d\w#\(,]+)/,
            background_regex = /^([^\s]+)\s+url\(([^\)]+)\)([\d\w]+\s+[\d\w]+){0,1}$/,
            background_size = false;
         _.map(string.split(';'), function(val){
          var val_s = val.split(/:\s/), val_pos, border_split, background_split,
              value = val_s[1] || '',
              name = val_s[0] || '';
          if(value) value = value.trim();
          if(name.match(new RegExp('^(' + this.layouts.join('|').replace('-', '\\-') +')$')) && value) {
            val_pos = value.split(/\s+/g);
            if(val_pos.length == 1) {
             val_pos = [val_pos[0], val_pos[0], val_pos[0], val_pos[0]];
            } else if(val_pos.length === 2) {
             val_pos[2] = val_pos[0];
             val_pos[3] = val_pos[1];
            } else if(val_pos.length === 3) {
             val_pos[3] = val_pos[1];
            }
            _.each(this.positions, function(pos, key) {
             this.$el.find('[data-name=' + name + '-' + pos +']').val(val_pos[key]);
            }, this);
          } else if(name === 'background-size') {
            background_size = value;
            this.$el.find('[name=background_style]').val(value);
          } else if(name === 'background-repeat' && !background_size) {
            this.$el.find('[name=background_style]').val(value);
          } else if(name === 'background-image') {
            this.setCurrentBgImage(value.replace(/url\(([^\)]+)\)/, '$1'));
          } else if(name === 'background'  && value) {
            background_split = value.split(background_regex);
            background_split[1] && this.$el.find('[name=' + name +'_color]').val(background_split[1]);
            background_split[2] && this.setCurrentBgImage(background_split[2]);
          } else if(name == 'border'  && value && value.match(border_regex)) {
            border_split = value.split(border_regex);
            val_pos = [border_split[1], border_split[1], border_split[1], border_split[1]];
            _.each(this.positions, function(pos, key) {
              this.$el.find('[name=' + name + '_' + pos +'_width]').val(val_pos[key]);
            }, this);
            this.$el.find('[name=border_style]').val(border_split[2]);
            this.$el.find('[name=border_color]').val(border_split[3]).trigger('change');
          } else if (name.indexOf('border') != -1 && value) {
	        if (name.indexOf('style') != -1) {
		      this.$el.find('[name=border_style]').val(value);
	        } else if (name.indexOf('color') != -1) {
		      this.$el.find('[name=border_color]').val(value).trigger('change');
	        } else if (name.match(/^[\w\-\d]+$/)) {
		        this.$el.find('[name=' + name.replace(/\-+/g, '_') + ']').val(value);
	        }
          } else if (name.match(/^[\w\-\d]+$/) && value) {
	        this.$el.find('[name=' + name.replace(/\-+/g, '_') + ']').val(value);
          }
        }, this);
    },
    save: function() {
      var string = '';
      this.attrs = {};
      _.each(this.layouts, function(type) {this.getFields(type)}, this);
      this.getBackground();
      this.getBorder();
      if(!_.isEmpty(this.attrs)) {
        string = '.vc_custom_' + (+new Date) + '{' + _.reduce(this.attrs, function(memo, value, key){
          return value ? memo + key + ': ' + value + ' !important;' : memo;
        }, '', this) + '}';
      }
      string && vc.frame_window && vc.frame_window.vc_iframe.setCustomShortcodeCss(string);
      return string;
    },
    getBackground: function() {
      var color = this.$el.find('[name=background_color]').val(),
          image  = this.$el.find('.vc_background-image img').attr('src'),
          style = this.$el.find('[name=background_style]').val();
      if(color && image) {
        this.attrs['background'] = color + ' ' + 'url(' + image + ')';
      } else if(color) {
        this.attrs['background-color'] = color;
      } else if(image) {
        this.attrs['background-image'] = 'url(' + image + ')';
      }
      if(style.match(/repeat/)) {
        this.attrs['background-position'] = '0 0';
        this.attrs['background-repeat'] = style;
      } else if(style.match(/cover|contain/)) {
        this.attrs['background-position'] = 'center';
        this.attrs['background-repeat'] = 'no-repeat';
        this.attrs['background-size'] = style;
      }
      if(color.match(/^rgba/)) {
        this.attrs['*background-color'] = color.replace(/\s+/, '').replace(/(rgb)a\((\d+)\,(\d+),(\d+),[^\)]+\)/, '$1($2,$3,$4)');
      }
    },
    getBorder: function() {
      var style = this.$el.find('[name=border_style]').val(),
          color = this.$el.find('[name=border_color]').val();
      var sides = ['left','right','top','bottom'];
      if (style && color && this.attrs['border-width'] && this.attrs['border-width'].match(/^\d+\S+$/)) {
        this.attrs.border = this.attrs['border-width'] + ' ' + style + ' ' + color;
        this.attrs['border-width'] = undefined;
      } else {
        _.each(sides, function (side) {
            if(this.attrs['border-'+side+'-width']) {
                if (color) this.attrs['border-' + side + '-color'] = color;
                if (style) this.attrs['border-' + side + '-style'] = style;
            }
        }, this);
      }
     },
    getFields: function(type) {
      var data = [], pluck;
      if(this.simplify) return this.getSimplifiedField(type);
      _.each(this.positions, function(pos){
        var val = this.$el.find('[data-name=' + type + '-' + pos +']').val().replace(/\s+/, '');
        if(!val.match(/^\d*(\.\d+){0,1}(%|in|cm|mm|em|rem|ex|pt|pc|px|vw|vh|vmin|vmax)$/)) {
          val = (isNaN(parseFloat(val)) ? '' : '' + parseFloat(val) + 'px');
        }
        val.length && data.push({name: pos, val: val});
      }, this);
	  _.each(data, function(attr){
	    var attr_name = type == 'border-width' ? 'border-' + attr.name + '-width' : type + '-' + attr.name;
	    this.attrs[attr_name] = attr.val;
	  }, this);
    },
    getSimplifiedField: function(type) {
      var pos = 'top',
          val = this.$el.find('[data-name=' + type + '-' + pos +']').val().replace(/\s+/, '');
      if(!val.match(/^\d*(\.\d+){0,1}(%|in|cm|mm|em|rem|ex|pt|pc|px|vw|vh|vmin|vmax)$/)) {
        val = (isNaN(parseFloat(val)) ? '' : '' + parseFloat(val) + 'px');
      }
      if(val.length) this.attrs[type] = val;
    }
  });
  /**
   * Add new param to atts types list for vc
   * @type {Object}
   */
  vc.atts.css_editor = {
    parse: function(param) {
      var $field = this.content().find('input.wpb_vc_param_value.' + param.param_name + ''),
          css_editor = $field.data('cssEditor'),
          result = css_editor.save();
      if(result) vc.edit_form_callbacks.push(remove_old_design_options);
      return result;
    }
  };
  /**
   * Backward capability for old css attributes
   * @return {String} - Css settings with class name and css attributes settings.
   */
  var parse_old_design_options = function() {
    var old_attributes = {},
      keys = {'bg_color': 'background-color', 'padding': 'padding', 'margin_bottom': 'margin-bottom', 'bg_image': 'background-image'},
      params = vc.edit_element_block_view.model.get('params'),
      css_string = '';
    css_string = _.reduce(keys, function(memo, css_name, attr_name){
      var value = params[attr_name];
      if(_.isUndefined(value) || !value.length) return memo;
      if(attr_name === 'bg_image')  value = 'url(' + value +')';
      return memo + css_name + ': ' + value + ';';
    }, '', this);
    return css_string ? '.tmp_class{' + css_string + '}' : '';
  };
  var remove_old_design_options = function() {
    this.params = _.omit(this.params, 'bg_color', 'padding', 'margin_bottom', 'bg_image');
  };
  /**
   * Find all fields with css_editor type and initialize.
   */
  $('[data-css-editor=true]').each(function(){
    var $editor = $(this),
        $field = $editor.find('input.wpb_vc_param_value'),
        value = $field.val();
    if(!value) value = parse_old_design_options();
    $field.data('cssEditor', new VcCssEditor({el: $editor}).render(value));
  });
})(window.jQuery);