RAPID PROTOTYPING AND COMMUNICATING WITH CLIENTS KAT CHUANG, PH.D. TWITTER @KATYCHUANG GITHUB @KATYCHUANG EMAIL KATYCHUANG@GMAIL.COM

Talk given at DjangoCon2013 – 9/4/2013

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ABOUT ME

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Once upon a time…

http://pyladies.com

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NYC PYLADIES

http://pydata.org

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PYDATA

OUTLINE 1.  Communication problems

2.  Interaction Design

3.  Django Templates

4.  Abstracting the problem

5.  Demo

6.  Recap

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10 KINDS OF PEOPLE

COMMUNICATION PROBLEMS Designs are difficult to describe

•  “I want big, colorful fonts.” •  Single color or multi colors?

• 32pt or 40pt?

• Sans serif or Serif?

•  “When you click here, this should appear.”

The client may want to see something in production before making a final decision.

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A DESIGN AID

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IMPLEMENTATION

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INTERACTION DESIGN 1.  Wireframing (blueprints)

2.  Design pattern libraries

3.  Screen sizes and responsive design

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WIREFRAMES = BLUEPRINTS

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EXPLAINING FUNCTIONS

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ADVANTAGE: STRUCTURED CONVERSATION

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Patterns are optimal solutions to common problems.

Libraries:

http://ui-patterns.com/patterns

http://developer.yahoo.com/ypatterns/

http://www.welie.com/patterns/

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DESIGN PATTERNS

RESPONSIVE DESIGN •  “The practice of using fluid grids, flexible images, and media queries to progressively enhance a web page for different viewing contexts.” - http://mediaqueri.es/about/

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Smartphone 320px Tablet 768px Netbook 1024px Desktop 1600px

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SCREEN SIZES

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DATA INPUT

DJANGO TEMPLATES Common template elements

Tips on structuring templates

DRY Principle: “Don’t repeat yourself”

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SPATIAL REPRESENTATION

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CONSISTENCY à USE INCLUDE CODE

<div  class=”logo">  <a  href="/”><img  src="{{STATIC_URL}}/pydatalogo.png”  ></a></div>  {%  if  user.is_authenticated  %}  

<a  class="btn"  href="/logout”>Log  Out</a>        You  are  logged  in  as  <em><a  href="/profile">{{  user.username  }}</a></em>  

{%  else  %}  <a  class="btn"  href="/login”>Log  In</a>  New  to  PyData?  <a  href="/register">Register</a>  

{%  endif  %}  

<div  class="menu">  

       {%  include  navmenu  %}  

</div>  

EVERY PAGE

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{%  include  header  %}  

TILING à USE LOOPS CODE

{%  for  i  in  news  %}  <div  class="news_item”>          <a  href="/{{  i.conf  }}/{{  i.id  }}">  

       [{{  i.conf  }}]  {{  i.title  }}          </a>  <div  class="pub_date”>          {{  i.date|date:'M  d,  Y'  }}  </div>  

{{  i.content|striptags|truncatechars:180  }}  </div>  {%  endfor  %}  

 

LIST OF ARTICLES

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ABSTRACT VIEW Data Flow Diagrams (DFD)

Server-Client Architecture

The User Interface (UI)

Organizing templates

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DATA FLOW DIAGRAM

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SERVER-CLIENT ARCHITECTURE

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<Web framework goes here: python>

<User Interface: html/css/javascript>

<Database Queries>

PATHS

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ORGANIZING

Project (settings and urls)

Apps (individual apps)

Models / Admin / Urls / Utils

Templates Structure Pages

Includes snippets

Static JS, CSS, Image files

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TEMPLATE SYSTEM IS A NESTED HIERARCHY (DOM)

Page

Head Stylesheets

Fonts Header

Container Banners

News Section

News Item

News Item

… Footer

Javascripts Analytics

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DOCUMENT OBJECT MODEL

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This is what the computer understands.

PICTURE DICTIONARY

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No database; 1 html file with if/else logic

D3 MAP

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No database; 1 html file with if/else logic

MULTI PAGES

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Multiple pages (url based):

Home page | Multiple columns | Large Map

•  PyData.org Community Site

•  Convert image file to templates

About PyData:

PyData is a community for developers and users of Python data tools. You can join at pydata.org

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EXAMPLE

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PYDATA

PREVIEW, PREVIEW, PREVIEW Run a local version:

$  python  manage.py  runserver  

View the site at:

http://localhost:8000  

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RECAP Idea != Execution

Blue print your ideas

Design pattern libraries

Spatial representations of code

Don’t repeat yourself

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THANK YOU.

KAT CHUANG, PH.D. TWITTER @KATYCHUANG GITHUB @KATYCHUANG EMAIL KATYCHUANG@GMAIL.COM

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Talk given at DjangoCon2013 – 9/4/2013