CSS Components

2014-06-21 Frontrend in Nagoya w/ HTML5 NAGOYA

Transcript

1. Beyond the CSS Architecture Components CSS
2. Front-end Engineer Hiroki Tani github.com/hiloki twitter.com/hiloki inkdesign.jp
3. CSS Mark-up
4. CSS Mark-up Designer ➡
5. CSS Mark-up Designer ➡ Engineer ⬅
6. CSS
7. Easy .text { color: red; }
8. Hard too #main .article { ... } #main .article .title { ... } #main .breaking .title { ... } #header #logo img { ... } #header li#logoTop { ... } #header li#logoTop:after { .article-header .datetime s ul.member-list li.member a .widget p,.widget ul { ... } #sidebar .widget { ... } #sidebar li a.register{} body.landing #main sectio #slider #slider-control > di
9. CSS Architecture
10. http://codepen.io/hiloki/full/dnGeB
12. <div class="speaker"> <div class="image"> <img src="tani.jpg"> </div> <div class="inner"> <p class=“name”>…</p> <div class="biography"> <p>...</p> </div> </div> </div>
14. .speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
16. <div class="book"> <div class="cover"> <img src="book.jpg"> </div> <div class="inner"> <p class="title">...</p> <p class="info"> ... </p> <div class="intro"> <p>...</p> </div> <ul class="shop"> <li>...</li> </ul> </div> </div>
18. .book { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #9DBCB8; color: #FFF; } .book .cover { float: left; margin-right: 20px; } .book .inner { overflow: hidden; } .book .title { ... } ...
20. <div class="event"> <a href="event.html"> <div class="thumbnail"> <img src="event.jpg"> </div> <div class="inner"> <p class="event__name">...</p> </div> </a> </div>
22. .event > a { display: block; } .event .thumbnail { float: left; margin-right: 15px; } .event .inner { overflow: hidden; } …
26. <div class="media speaker"> <div class="media__image image"> <img src="tani.jpg"> </div> <div class="media__body inner"> <p class="name">…</p> <div class="biography"> <p>...</p> </div> </div> </div>
28. /* Media */ .media { overflow: hidden; /* Clearfix */ } .media__image { float: left; margin-right: 15px; } .media__body { overflow: hidden; }
29. .speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } … .speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
30. .speaker { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #fff; } .speaker .image { float: left; margin-right: 15px; } .speaker .image > img { border-radius: 60px; } .speaker .inner { overflow: hidden; } …
32. .book { overflow: hidden; /* Clearfix */ padding: 20px; background-color: #9DBCB8; color: #FFF; } .book .cover { float: left; margin-right: 20px; } .book .inner { overflow: hidden; } .book .title { ... } ...
34. .event > a { display: block; } .event .thumbnail { float: left; margin-right: 15px; } .event .inner { overflow: hidden; } …
37. <div class=“media book"> <div class=“media__image book__cover”> <img src="book.jpg"> </div> <div class=“media__body”> <p class="book__name">...</p> <p class="book__info"> ... </p> <div class="book__intro"> <p>...</p> </div> <ul class="book__shop"> <li>...</li> </ul> </div> </div>
39. .book { padding: 20px; background-color: #9DBCB8; color: #FFF; } .book__cover { margin-right: 20px; } .book__title { ... } ...
40. OOCSS Nicole Sullivan @stubbornella
41. OOCSS SMACSS BEM MCSS FLOCSS
42. CSS Components
43. = encapsulation Components
44. Not perfect Components
46. <div class="book"> <div class="book__cover"> <p class=“book__name"> … </p> </div> </div>
47. <div id="pickup"> <div class="book"> <div class="book__cover"> <p class="book__name"> CSS…</p>... </div> </div> </div> <div class="book"> <div class="book__cover"> <p class=“book__name"> … </p> </div> </div>
49. #pickup .book__name { color: #111; font-size: 2em; } ! .book__name { margin-bottom: 10px; line-height: 1.3; font-weight: bold; font-size: 1.2em; }
50. ☢
52. #pickup .book__name { color: #111; font-size: 2em; } ! .book__name { margin-bottom: 10px; line-height: 1.3; font-weight: bold; font-size: 1.2em; background-color: #333; padding: 6px; }
54. #pickup .book__name { color: #111; font-size: 2em; background-color: #FFF; padding: 0; } ! .book__name { margin-bottom: 10px; line-height: 1.3; font-weight: bold; font-size: 1.2em; background-color: #333; padding: 6px; }
55. <style scoped>
57. <div><!-- Scope --> <style scoped> .book__name { background-color: #333; padding: 6px; } </style> <div class=“media book"> <div class=“media__body”> <p class=“book__name”> … </p> </div> </div> </div>
58. <style scoped> ⛼
59. <style scoped> ⛼
60. Components
61. Sharable Maintainable Easily-controlled
62. Components Web
63. Web Components Templates Shadow DOM HTML Imports 
    
    
     Custom Elements
64. Templates <template id="my-media-template"> <div class="media"> <div class="media__image"> <img> </div> <div class="media__body"> <content></content> </div> </div> </template>
65. Custom Elements <google-map></google-map> ! <x-calendar today></x-calendar> ! <button is="like-button"></button> ! <my-media src="tani.jpg" width="120" height="120">
66. Custom Elements var element = Object.create( HTMLElement.prototype ); document.registerElement( 'my-alert', { prototype: element } );
67. Shadow DOM // ΧελϜཁૉͷΠϯελϯε͕ੜ੒͞Εͨ࣌ʹ࣮ߦ͢Δ element.createdCallback = function() { var template = document.querySelector('#my-media- template'); ! // templateͷDocumentFragment͔ΒcontentΛऔಘ͢Δ var content = template.content; ! // Shadow RootʹcontentΛ௥Ճ͢ΔʢShadowDOMͷܗ੒ʣ var shadowRoot = this.createShadowRoot(); shadowRoot.appendChild( document.importNode(content, true) ); };
68. Shadow DOM // ΧελϜཁૉͷΠϯελϯε͕ੜ੒͞Εͨ࣌ʹ࣮ߦ͢Δ element.createdCallback = function() { var template = document.querySelector('#my-media- template'); ! // templateͷDocumentFragment͔ΒcontentΛऔಘ͢Δ var content = template.content; ! // Shadow RootʹcontentΛ௥Ճ͢ΔʢShadowDOMͷܗ੒ʣ var shadowRoot = this.createShadowRoot(); shadowRoot.appendChild( document.importNode(content, true) ); }; = encapsulation
69. HTML Imports <head> <link rel="import" href=“components/my-media.html"> </head>
70. Web Components 
    
    
     Templates Shadow DOM HTML Imports Custom Elements
71. http://codepen.io/hiloki/full/obFui
73. <my-media src=“sensui.jpg" width=“120" height=“120" class="speaker"> <p class=“speaker__name"> ઘਫ ᠳޗ </p> <div class="speaker__bio"> <p>…</p> </div> </my-media>
75. <my-media src="sensui.jpg" width="120" height="120" class="speaker"> <p class=“speaker__name"> ઘਫ ᠳޗ </p> <div class="speaker__bio"> <p>…</p> </div> </my-media>
77. <my-media src=“book.jpg" width=“100" height=“100" class="book"> <p class=“book__name"> ϑϩϯτΤϯυ… </p> <div class=“book__info”> <p>…</p> </div> … </my-media>
80. <div class="media speaker"> <divclass=“media__image speaker__image”> <img src="tani.jpg" width="120"> </div> <div class="media__body"> <p class=“speaker__name"> ୩ ୓थ </p> ... </div> </div>
82. <my-media src=“sugimoto.jpg" width=“120" class="speaker"> <p class=“speaker__name"> ਿຊ ٢ষ </p> ... </my-media>
85. <my-media src="sugimoto.jpg" width="120" class="speaker"> <div class="media"> <div class=“media__image"> <img src="tani.jpg" width="120"> </div> <div class="media__body"> <p class="speaker__name">ਿຊ ٢ষ</p> ... </div> </div> </my-media>
87. <div class="media speaker"> <div class="media__image speaker__image"> <img src="tani.jpg" width="120"> </div> <div class="media__body"> <p class="speaker__name">୩ ୓थ </p> ... </div> </div>
88. /* <head> <style>…</style> </head> */ .media { display: block; overflow: hidden; /* Clearfix */ color: indianred; } ❓
89. /* <head> <style>…</style> </head> */ .media { display: block; overflow: hidden; /* Clearfix */ color: indianred; }
90. /* <head> <style>…</style> </head> */ .media { display: block; overflow: hidden; /* Clearfix */ color: indianred; }
91. /* <template> <style>…</style> </template> */ .media { display: block; overflow: hidden; /* Clearfix */ color: skyblue; } ❓
92. /* <template> <style>…</style> </template> */ .media { display: block; overflow: hidden; /* Clearfix */ color: skyblue; }
93. /* <template> <style>…</style> </template> */ .media { display: block; overflow: hidden; /* Clearfix */ color: skyblue; }
94. ::shadow
95. /* <head> <style>…</style> </head> */ .speaker::shadow .media { display: block; overflow: hidden; /* Clearfix */ background-image: url(orion.jpg); background-size: cover; } ❓
96. /* <head> <style>…</style> </head> */ .speaker::shadow .media { display: block; overflow: hidden; /* Clearfix */ background-image: url(orion.jpg); background-size: cover; }
97. Shadow DOM = encapsulation Custom Elements <my-media></my-media>
98. Shadow DOM = encapsulation Custom Elements
99. Shadow DOM = encapsulation Custom Elements <my-media> <style> .media { display: block; overflow: hidden; /* Clearfix */ } .media__image { float: left; margin-right: 10px; } .media__body { overflow: hidden; } </style> <div class="media"> <div class=“media__image"></div> <div class="media__body"></div> </div> </my-media>
100. Shadow DOM = encapsulation Custom Elements <my-media> ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! </my-media>
101. Shadow DOM = encapsulation Custom Elements <my-media> ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! </my-media> ! <style> .media { display: table; } .media__image { display: table-cell; vertical-align: top; padding-right: 10px; } </style> <div class="media"> <div class=“media__image"></div> <div class="media__body"></div> </div>
102. Shadow DOM = encapsulation Custom Elements <my-media> ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! </my-media>
103. Shadow DOM = encapsulation Custom Elements <my-media> ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! </my-media> ! <style> .media { display: flex; align-items: flex-start; } .media__image { margin-right: 10px; } .media__body { flex: 1; } </style> <div class="media"> <div class=“media__image"></div> <div class="media__body"></div> </div> !
104. Shadow DOM = encapsulation Custom Elements <my-media></my-media>
105. HTML5 Rocks http://www.html5rocks.com/
106. Polymer http://www.polymer-project.org/
107. X-Tag http://www.x-tags.org/
108. In future
109. Polymer designer https://github.com/Polymer/designer
110. Designer Builder Component Component
111. Designer Builder Component Component
112. Component Designer. Be a
113. Thank you. github.com/hiloki twitter.com/hiloki inkdesign.jp
114. https://www.flickr.com/photos/premshree/3444104640/ 
     
     
      https://www.flickr.com/photos/ltdemartinet/8331549172/ https://www.flickr.com/photos/horiavarlan/4839454263/ https://www.flickr.com/photos/drewmaughan/8209503226/ Photos: