first pass at a working overlay

bencentra · Jul 17, 2016 · 3b7e7b4 · 3b7e7b4
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diff --git a/.editorconfig b/.editorconfig
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+# http://editorconfig.org
+root = true
+
+[*.js]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/.gitignore b/.gitignore
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+.DS_Store
+node_modules/
diff --git a/index.html b/index.html
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+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Blur Overlay Demo</title>
+    <style>
+      * {
+        box-sizing: border-box;
+      }
+      html, body {
+        padding: 0;
+        margin: 0;
+      }
+      #content {
+        padding: 0;
+        margin: 0;
+        font-family: sans-serif;
+        width: 100%;
+        height: 100%;
+        text-align: center;
+        background-image: url("https://bencentra.com/centrarium/assets/header_image.jpg");
+        color: white;
+        text-shadow: 1px 1px #666;
+      }
+      img {
+        box-shadow: 3px 3px 6px #333;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="content">
+      <h1>Just some demo content</h1>
+      <p><button id="showOverlayButton">Show Overlay</button></p>
+      <img src="https://bencentra.com/assets/images/bookshelf.jpg" width="400" height="300">
+      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+      <img src="https://bencentra.com/assets/images/bookshelf.jpg" width="400" height="300">
+      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+      <img src="https://bencentra.com/assets/images/bookshelf.jpg" width="400" height="300">
+      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+      <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</p>
+    </div>
+    <script src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
+    <script src="https://code.jquery.com/ui/1.12.0/jquery-ui.min.js"></script>
+    <script src="index.js"></script>
+    <script>
+      $(document).on('ready', function() {
+        var $content = $('#content').blurOverlay();
+        $('#showOverlayButton').on('click', function() {
+          var $overlay = $('<div>').attr('id', 'overlay');
+          $overlay.append($('<h1>').text('This is the overlay!'));
+          $overlay.append($('<p>').text('The background is so blurry, it\'s great!'));
+          var $hideButton= $('<button>').attr('id', 'hideOverlayButton').text('Hide Overlay');
+          $overlay.append($hideButton);
+          $content.blurOverlay('content', $overlay);
+          $content.blurOverlay('show');
+          $hideButton.on('click', function() {
+            $content.blurOverlay('hide');
+          });
+        });
+      });
+    </script>
+  </body>
+</html>
diff --git a/index.js b/index.js
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+$(function() {
+
+  $.widget('custom.blurOverlay', {
+
+    // Defaults
+    options: {
+      prefix: 'blur-overlay', // Prefix for wrapper selectors
+      content: '<h1>Hello, blur overlay!</h1>', // Default content to display
+      blurAmount: '12px' // Amount of pixels to blur by
+    },
+
+    _create: function() {
+      // Initialize elements
+      this.$wrapper = $('<div>').attr('id', this.options.prefix + '-wrapper');
+      this.$wrapper.css({
+        'position': 'absolute',
+        'top': 0,
+        'bottom': 0,
+        'left': 0,
+        'right': 0,
+        '-webkit-filter': 'blur(' + this.options.blurAmount + ')',
+        'filter': 'blur(' + this.options.blurAmount + ')'
+      });
+      this.$overlay = $('<div>').attr('id', this.options.prefix + '-overlay');
+      this.$overlay.css({
+        'position': 'absolute',
+        'top': 0,
+        'bottom': 0,
+        'left': 0,
+        'right': 0,
+        'z-index': 1000
+      });
+      this.$content = $('<div>').attr('id', this.options.prefix + '-content');
+      this.$overlay.append(this.$content);
+    },
+
+    show: function() {
+      // Wrap the target element
+      $('body').css('overflow', 'hidden');
+      this.element.wrapAll(this.$wrapper);
+      // Create the overlay
+      this.$content.html(this.options.content);
+      $('body').prepend(this.$overlay);
+    },
+
+    hide: function() {
+      $('body').css('overflow', 'auto');
+      this.element.unwrap();
+      this.$overlay.remove();
+    },
+
+    content: function(stringOrElement) {
+      this.options.content = stringOrElement;
+    }
+
+  });
+
+});
diff --git a/package.json b/package.json
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+{
+  "name": "blur-overlay",
+  "version": "1.0.0",
+  "description": "A jQuery plugin for displaying an overlay on a webpage that blurs the content behind it ",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/bencentra/blur-overlay.git"
+  },
+  "keywords": [
+    "jquery",
+    "blur",
+    "overlay"
+  ],
+  "author": "Ben Centra <blcentra@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/bencentra/blur-overlay/issues"
+  },
+  "homepage": "https://github.com/bencentra/blur-overlay#readme",
+  "devDependencies": {
+    "http-server": "^0.9.0"
+  },
+  "scripts": {
+    "demo": "hs -p 8000 ."
+  }
+}