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osmo-st-all/More/Examples/BlogApplication.st

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"======================================================================
|
| Iliad.BlogApplication class definition
|
======================================================================"
"======================================================================
|
| Copyright (c) 2008-2009
| Nicolas Petton <petton.nicolas@gmail.com>,
| Sébastien Audier <sebastien.audier@gmail.com>
|
| This file is part of the Iliad framework.
|
| Permission is hereby granted, free of charge, to any person obtaining
| a copy of this software and associated documentation files (the
| 'Software'), to deal in the Software without restriction, including
| without limitation the rights to use, copy, modify, merge, publish,
| distribute, sublicense, and/or sell copies of the Software, and to
| permit persons to whom the Software is furnished to do so, subject to
| the following conditions:
|
| The above copyright notice and this permission notice shall be
| included in all copies or substantial portions of the Software.
|
| THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
| EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
| MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
| IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
| CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
| TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
| SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
======================================================================"
Application subclass: BlogApplication [
|postsWidgets|
<comment: nil>
<category: 'Iliad-More-Examples'>
BlogApplication class >> path [
^'/examples/blog'
]
initialize [
<category: 'initialize-release'>
super initialize.
model := BlogRepository default
]
postsWidgets [
<category: 'accessing'>
^postsWidgets ifNil: [postsWidgets := Dictionary new]
]
postWidgetFor: aPost [
<category: 'accessing'>
^self postsWidgets at: aPost ifAbsentPut: [
aPost asWidget
addValidatedSwitch;
yourself]
]
actionsContents [
<category: 'views-parts'>
^[:e |
| div |
div := (e div)
class: 'actions';
yourself.
(div anchor)
text: 'new post';
action: [self addPost]]
]
postContentsFor: aPost [
<category: 'views-parts'>
^[:e |
e h2 anchor
text: aPost title;
action: [self redirectToLocal: 'post/', aPost title, aPost hash printString].
e build: (self postWidgetFor: aPost)]
]
addPost [
<category: 'actions'>
self
show: (((BlogPost new asWidget)
addValidatedForm;
yourself) addMessage: 'Add new post')
onAnswer: [:ans | ans ifNotNil: [self model posts add: ans]]
]
index [
<category: 'views'>
^self posts
]
post [
"View for a specific post"
<category: 'views'>
| post path |
path := self route next.
post := self model posts
detect: [:each | (each title , each hash printString) = path]
ifNone: [self redirectToIndex].
^self postContentsFor: post
]
posts [
<category: 'views'>
^[:e |
e h1: 'Blog Example'.
e build: self actionsContents.
(self model posts asSortedCollection: [:a :b | a timestamp > b timestamp])
do: [:each | e build: (self postContentsFor: each)]]
]
updatePage [
<category: 'building'>
super updatePage.
self page headElement stylesheet href: '/stylesheets/iliad.css'
]
]