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Drupal example source code file (preview.js)

This example Drupal source code file (preview.js) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

background-image, function, gradient_end, gradient_start, input, palette, php, preview, preview-block, preview-content, preview-logo, preview-sidebar, var

The preview.js Drupal example source code

// $Id: preview.js,v 1.5 2010/12/11 21:37:41 webchick Exp $

(function ($) {
  Drupal.color = {
    logoChanged: false,
    callback: function(context, settings, form, farb, height, width) {
      // Change the logo to be the real one.
      if (!this.logoChanged) {
        $('#preview #preview-logo img').attr('src', Drupal.settings.color.logo);
        this.logoChanged = true;
      }
      // Remove the logo if the setting is toggled off. 
      if (Drupal.settings.color.logo == null) {
        $('div').remove('#preview-logo');
      }

      // Solid background.
      $('#preview', form).css('backgroundColor', $('#palette input[name="palette[bg]"]', form).val());

      // Text preview.
      $('#preview #preview-main h2, #preview .preview-content', form).css('color', $('#palette input[name="palette[text]"]', form).val());
      $('#preview #preview-content a', form).css('color', $('#palette input[name="palette[link]"]', form).val());

      // Sidebar block.
      $('#preview #preview-sidebar #preview-block', form).css('background-color', $('#palette input[name="palette[sidebar]"]', form).val());
      $('#preview #preview-sidebar #preview-block', form).css('border-color', $('#palette input[name="palette[sidebarborders]"]', form).val());

      // Footer wrapper background.
      $('#preview #preview-footer-wrapper', form).css('background-color', $('#palette input[name="palette[footer]"]', form).val());

      // CSS3 Gradients.
      var gradient_start = $('#palette input[name="palette[top]"]', form).val();
      var gradient_end = $('#palette input[name="palette[bottom]"]', form).val();

      $('#preview #preview-header', form).attr('style', "background-color: " + gradient_start + "; background-image: -webkit-gradient(linear, 0% 0%, 0% 100%, from(" + gradient_start + "), to(" + gradient_end + ")); background-image: -moz-linear-gradient(-90deg, " + gradient_start + ", " + gradient_end + ");");

      $('#preview #preview-site-name', form).css('color', $('#palette input[name="palette[titleslogan]"]', form).val());
    }
  };
})(jQuery);

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