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by Blake Walters
at EECI, Austin, TX
on October ,
DIVING IN:
PRACTICAL TIPS FOR
WRITING CUSTOM PLUGINS
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EECI HELPED CHANGE
HOW I BUILD SITES
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New development workflow
Always up-to-date base install
The template partials approach
Custom add-on development
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New development workflow
Always up-to-date base install
The template partials approach
Custom add-on development
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New development workflow
Always up-to-date base install
The template partials approach
Custom add-on development
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New development workflow
Always up-to-date base install
The template partials approach
Custom add-on development
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expressionengine.com/user_guide/
CREDITS
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devot-ee.com
CREDITS
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google.com
CREDITS
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ExpressionEngine Control Panel
CREDITS
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ExpressionEngine Control Panel
CREDITS
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It’s notoriously slow [1]
It’s not “user” friendly
It’s not at all portable
It locks you into a single parsing stage
It gives you the “I’ll just enable PHP” mindset
WHY NOT IN-TEMPLATE PHP?
[1] http://www.gregaker.net/2010/oct/28/with-great-power-comes-great-responsibility/
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It’s notoriously slow
It’s not “user” friendly
It’s not at all portable
It locks you into a single parsing stage
It gives you the “I’ll just enable PHP” mindset
WHY NOT IN-TEMPLATE PHP?
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It’s notoriously slow
It’s not “user” friendly
It’s not at all portable
It locks you into a single parsing stage
It gives you the “I’ll just enable PHP” mindset
WHY NOT IN-TEMPLATE PHP?
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It’s notoriously slow
It’s not “user” friendly
It’s not at all portable
It locks you into a single parsing stage
It gives you the “I’ll just enable PHP” mindset
WHY NOT IN-TEMPLATE PHP?
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PHP on Input
PHP on Output
EE Template Tags
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It’s notoriously slow
It’s not “user” friendly
It’s not at all portable
It locks you into a single parsing stage
It gives you the “I’ll just enable PHP” mindset
WHY NOT IN-TEMPLATE PHP?
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HOW ABOUT
BUILDING A CUSTOM
PLUGIN?
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Flexibility
Readability
Portability
Performance
WHY A CUSTOM PLUGIN
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Flexibility
Readability
Portability
Performance
WHY A CUSTOM PLUGIN
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Flexibility
Readability
Portability
Performance
WHY A CUSTOM PLUGIN
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Flexibility
Readability
Portability
Performance
WHY A CUSTOM PLUGIN
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GREAT, BUT WHAT
CAN YOU DO WITH IT?
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Duke Admissions
CREDITS
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Kettler Property Management
CREDITS
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Rumble Games
CREDITS
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GETTING STARTED
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BREAKING DOWN THE
TEMPLATE TAG
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about plugins
{/exp:eeci:present}
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{exp:eeci:present style=”keynote” parse=”inward”}
Just a little presentation about {presentation_title}
{/exp:eeci:present}
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{exp:ce_img:pair src=”{your_custom_field}”}
{/exp:ce_img:pair}
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GETTING IT WRITTEN
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expressionengine.com/user_guide/development/
CREDITS
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expressionengine.com/user_guide/development/plugins.html
CREDITS
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http://expressionengine.com/user_guide/development/guidelines/general.html
CREDITS
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pkg.io
CREDITS
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THE SIMPLEST OF
PLUGINS
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{exp:eeci_demo}
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PLUGIN METHODS
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{exp:eeci_demo:say}
{exp:eeci_demo:shout}
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PASSING PARAMETERS
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{exp:eeci_demo:say message="Parameters are fun!"}
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TAG PAIRS
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{exp:eeci_demo:shout}
Tag pairs aren't bad either
{/exp:eeci_demo:shout}
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COMPLEX OUTPUT
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{exp:eeci_demo:feed_info}
{title}
{publish_date}
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{exp:eeci_demo:feed_info}
{title}
-
{authors}
- {name} {/authors}
{publish_date}
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{exp:eeci_demo:feed_info}
-
{authors}
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{name}
{tags} {tagname} {/tags}
{/authors}
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{exp:eeci_demo:feed_info}
-
{authors}
-
{name}
{tags} {tagname} {/tags}
{/authors}
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FIXING THE PARSE
ORDER
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{exp:eeci_demo:feed_info}
{count}
{total_results}
{switch=”one|two|three”}
{/exp:eeci_demo:feed_info}
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Questions so far?
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STEPPING UP YOUR
GAME
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Project Specific
Abstracted and Stand-Alone
PLUGIN ORGANIZATION
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Project Specific
Abstracted and Stand-Alone
PLUGIN ORGANIZATION
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BUILT-IN EE CLASSES
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exp_channels
exp_channel_titles
exp_channel_data
exp_categories
exp_category_posts
exp_relationships
(exp_playa_relationships)
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CP
Email
File Field
Form Validation
Input
Language
Layout
A WHOLE BUNCH MORE
Localization
Logger
Security
Table
Typography
URI
XML Parser
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TAPPING INTO OTHER
ADD-ONS
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Duke Admissions
CREDITS
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THE CI IN EECI
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THE CI IN EECI
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Benchmarking
Calendar
Encryption
Image Manipulation
XML-RPC
Zip Encoding
tons more...
CODEIGNITER LIBRARIES/CLASSES
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{if “{exp:eeci_demo:is_mobile}” == "true"}
You're on a mobile device.
{if:else}
No mobile for you!
{/i }
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Array
Cookie
Date
Number
Path
URL
tons more...
CODEIGNITER HELPERS
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{exp:eeci_demo:inflector text="dogs" method="singluar"}
{exp:eeci_demo:inflector text="cat" method="plural"}
{exp:eeci_demo:inflector text="maybe something to camel case" method="camel"}
{exp:eeci_demo:inflector text="Combine to a single word" method="underscore"}
{exp:eeci_demo:inflector text="maybe_a_url_title" method="human"}
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codeigniter.com/user_guide/
CREDITS
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WHERE TO NOW?