Forums / Setup & design / Is it possible to create derived classes?

Is it possible to create derived classes?

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Author Message

JC Francois

Wednesday 16 June 2004 1:13:56 pm

I want to create a site with one blog and one news section.

I want the titles of the blog entries and the news articles to be listed on the front page in a single list sorted by date.
I was thinking of creating a base class with the fields author, title, date, enable comments, then derive a class 'blog' with specific blog fields and a class 'article' with specific article fields.
By doing so I could fetch the content of the common fields and display them in a single list.

QUESTION: is it possible to derive a class from another in ezPublish? How?

Thanks,

JC

Paul Forsyth

Wednesday 16 June 2004 1:25:57 pm

No, it isnt possible to derive/inherit classes. When i first encountered eZ publish I thought this too :(

However, there is a perfectly good workaround. Use object relations. BY adding an object relation or an object relation list to your base class you can then add objects of other classes to your main object. The template code can then recognise what classes are being used and show the appropriate html. We use this model extensively.

paul

--
http://www.visionwt.com

eZ debug

Timing: Jan 19 2025 20:01:28
Script start
Timing: Jan 19 2025 20:01:28
Module start 'content'
Timing: Jan 19 2025 20:01:28
Module end 'content'
Timing: Jan 19 2025 20:01:29
Script end

Main resources:

Total runtime0.1853 sec
Peak memory usage2,048.0000 KB
Database Queries141

Timing points:

CheckpointStart (sec)Duration (sec)Memory at start (KB)Memory used (KB)
Script start 0.00000.0132 592.7031180.8125
Module start 'content' 0.01320.0066 773.515693.8203
Module end 'content' 0.01980.1654 867.3359522.6250
Script end 0.1852  1,389.9609 

Time accumulators:

 Accumulator Duration (sec) Duration (%) Count Average (sec)
Ini load
Load cache0.00392.1033200.0002
Check MTime0.00140.7651200.0001
Mysql Total
Database connection0.00301.629610.0030
Mysqli_queries0.127368.68631410.0009
Looping result0.00150.82301390.0000
Template Total0.164888.910.1648
Template load0.00100.531510.0010
Template processing0.163888.384110.1638
Override
Cache load0.00070.362210.0007
Sytem overhead
Fetch class attribute can translate value0.00140.758710.0014
XML
Image XML parsing0.00030.161910.0003
General
dbfile0.00643.4482200.0003
String conversion0.00000.009630.0000
Note: percentages do not add up to 100% because some accumulators overlap

CSS/JS files loaded with "ezjscPacker" during request:

CacheTypePacklevelSourceFiles
CSS0extension/community/design/community/stylesheets/ext/jquery.autocomplete.css
extension/community_design/design/suncana/stylesheets/scrollbars.css
extension/community_design/design/suncana/stylesheets/tabs.css
extension/community_design/design/suncana/stylesheets/roadmap.css
extension/community_design/design/suncana/stylesheets/content.css
extension/community_design/design/suncana/stylesheets/star-rating.css
extension/community_design/design/suncana/stylesheets/syntax_and_custom_tags.css
extension/community_design/design/suncana/stylesheets/buttons.css
extension/community_design/design/suncana/stylesheets/tweetbox.css
extension/community_design/design/suncana/stylesheets/jquery.fancybox-1.3.4.css
extension/bcsmoothgallery/design/standard/stylesheets/magnific-popup.css
extension/sevenx/design/simple/stylesheets/star_rating.css
extension/sevenx/design/simple/stylesheets/libs/fontawesome/css/all.min.css
extension/sevenx/design/simple/stylesheets/main.v02.css
extension/sevenx/design/simple/stylesheets/main.v02.res.css
JS0extension/ezjscore/design/standard/lib/yui/3.17.2/build/yui/yui-min.js
extension/ezjscore/design/standard/javascript/jquery-3.7.0.min.js
extension/community_design/design/suncana/javascript/jquery.ui.core.min.js
extension/community_design/design/suncana/javascript/jquery.ui.widget.min.js
extension/community_design/design/suncana/javascript/jquery.easing.1.3.js
extension/community_design/design/suncana/javascript/jquery.ui.tabs.js
extension/community_design/design/suncana/javascript/jquery.hoverIntent.min.js
extension/community_design/design/suncana/javascript/jquery.popmenu.js
extension/community_design/design/suncana/javascript/jScrollPane.js
extension/community_design/design/suncana/javascript/jquery.mousewheel.js
extension/community_design/design/suncana/javascript/jquery.cycle.all.js
extension/sevenx/design/simple/javascript/jquery.scrollTo.js
extension/community_design/design/suncana/javascript/jquery.cookie.js
extension/community_design/design/suncana/javascript/ezstarrating_jquery.js
extension/community_design/design/suncana/javascript/jquery.initboxes.js
extension/community_design/design/suncana/javascript/app.js
extension/community_design/design/suncana/javascript/twitterwidget.js
extension/community_design/design/suncana/javascript/community.js
extension/community_design/design/suncana/javascript/roadmap.js
extension/community_design/design/suncana/javascript/ez.js
extension/community_design/design/suncana/javascript/ezshareevents.js
extension/sevenx/design/simple/javascript/main.js

Templates used to render the page:

UsageRequested templateTemplateTemplate loadedEditOverride
1pagelayout.tpl<No override>extension/sevenx/design/simple/templates/pagelayout.tplEdit templateOverride template
 Number of times templates used: 1
 Number of unique templates used: 1

Time used to render debug report: 0.0001 secs