silverstripe-blog/code/BlogHolder.php

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<?php
/**
* @package blog
*/
/**
* Blog holder to display summarised blog entries.
*
* A blog holder is the leaf end of a BlogTree, but can also be used standalone in simpler circumstances.
* BlogHolders can only hold BlogEntries, BlogTrees can only hold BlogTrees and BlogHolders
* BlogHolders have a form on them for easy posting, and an owner that can post to them, BlogTrees don't
*/
class BlogHolder extends BlogTree implements PermissionProvider {
private static $icon = "blog/images/blogholder-file.png";
private static $description = "Displays listings of blog entries";
private static $singular_name = 'Blog Holder Page';
private static $plural_name = 'Blog Holder Pages';
private static $db = array(
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'AllowCustomAuthors' => 'Boolean',
'ShowFullEntry' => 'Boolean',
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);
private static $has_one = array(
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'Owner' => 'Member',
);
private static $allowed_children = array(
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'BlogEntry'
);
function getCMSFields() {
$blogOwners = $this->blogOwners();
SiteTree::disableCMSFieldsExtensions();
$fields = parent::getCMSFields();
SiteTree::enableCMSFieldsExtensions();
$fields->addFieldToTab(
'Root.Main',
DropdownField::create('OwnerID', 'Blog owner', $blogOwners->map('ID', 'Name')->toArray())
->setEmptyString('(None)')
->setHasEmptyDefault(true),
"Content"
);
$fields->addFieldToTab('Root.Main', new CheckboxField('AllowCustomAuthors', 'Allow non-admins to have a custom author field'), "Content");
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$fields->addFieldToTab(
"Root.Main",
CheckboxField::create("ShowFullEntry", "Show Full Entry")
->setDescription('Show full content in overviews rather than summary'),
"Content"
);
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$this->extend('updateCMSFields', $fields);
return $fields;
}
/**
* Get members who have BLOGMANAGEMENT and ADMIN permission
*/
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function blogOwners($sort = array('FirstName'=>'ASC','Surname'=>'ASC'), $direction = null) {
$members = Permission::get_members_by_permission(array('ADMIN','BLOGMANAGEMENT'));
$members->sort($sort);
$this->extend('extendBlogOwners', $members);
return $members;
}
public function BlogHolderIDs() {
return array( $this->ID );
}
/*
* @todo: These next few functions don't really belong in the model. Can we remove them?
*/
/**
* Only display the blog entries that have the specified tag
*/
function ShowTag() {
if($this->request->latestParam('Action') == 'tag') {
return Convert::raw2xml(Director::urlParam('ID'));
}
}
/**
* Check if url has "/post"
*/
function isPost() {
return $this->request->latestParam('Action') == 'post';
}
/**
* Link for creating a new blog entry
*/
function postURL(){
return $this->Link('post');
}
/**
* Returns true if the current user is an admin, or is the owner of this blog
*
* @return Boolean
*/
function IsOwner() {
return (Permission::check('BLOGMANAGEMENT') || Permission::check('ADMIN'));
}
/**
* Create default blog setup
*/
function requireDefaultRecords() {
parent::requireDefaultRecords();
$blogHolder = DataObject::get_one('BlogHolder');
//TODO: This does not check for whether this blogholder is an orphan or not
if(!$blogHolder) {
$blogholder = new BlogHolder();
$blogholder->Title = "Blog";
$blogholder->URLSegment = "blog";
$blogholder->Status = "Published";
$blogholder->write();
$blogholder->publish("Stage", "Live");
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// Add default widgets to first found WidgetArea relationship
if(class_exists('WidgetArea')) {
foreach($this->has_one() as $name => $class) {
if($class == 'WidgetArea' || is_subclass_of($class, 'WidgetArea')) {
$relationName = "{$name}ID";
$widgetarea = new WidgetArea();
$widgetarea->write();
$blogholder->$relationName = $widgetarea->ID;
$blogholder->write();
$blogholder->publish("Stage", "Live");
$managementwidget = new BlogManagementWidget();
$managementwidget->ParentID = $widgetarea->ID;
$managementwidget->write();
$tagcloudwidget = new TagCloudWidget();
$tagcloudwidget->ParentID = $widgetarea->ID;
$tagcloudwidget->write();
$archivewidget = new ArchiveWidget();
$archivewidget->ParentID = $widgetarea->ID;
$archivewidget->write();
$widgetarea->write();
break; // only apply to one
}
}
}
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$blog = new BlogEntry();
$blog->Title = _t('BlogHolder.SUCTITLE', "SilverStripe blog module successfully installed");
$blog->URLSegment = 'sample-blog-entry';
$blog->Tags = _t('BlogHolder.SUCTAGS',"silverstripe, blog");
$blog->Content = _t('BlogHolder.SUCCONTENT',"<p>Congratulations, the SilverStripe blog module has been successfully installed. This blog entry can be safely deleted. You can configure aspects of your blog in <a href=\"admin\">the CMS</a>.</p>");
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$blog->Status = "Published";
$blog->ParentID = $blogholder->ID;
$blog->write();
$blog->publish("Stage", "Live");
DB::alteration_message("Blog page created","created");
}
}
function providePermissions() {
return array("BLOGMANAGEMENT" => "Blog management");
}
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}
class BlogHolder_Controller extends BlogTree_Controller {
private static $allowed_actions = array(
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'index',
'tag',
'date',
'metaweblog',
'postblog' => 'BLOGMANAGEMENT',
'post',
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'BlogEntryForm' => 'BLOGMANAGEMENT',
);
function init() {
parent::init();
Requirements::themedCSS("bbcodehelp");
}
/**
* Return list of usable tags for help
*/
function BBTags() {
return BBCodeParser::usable_tags();
}
/**
* Post a new blog entry
*/
function post(){
if(!Permission::check('BLOGMANAGEMENT')) return Security::permissionFailure();
$page = $this->customise(array(
'Content' => false,
'Form' => $this->BlogEntryForm()
));
return $page->renderWith('Page');
}
/**
* A simple form for creating blog entries
*/
function BlogEntryForm() {
if(!Permission::check('BLOGMANAGEMENT')) return Security::permissionFailure();
$id = 0;
if($this->request->latestParam('ID')) {
$id = (int) $this->request->latestParam('ID');
}
$codeparser = new BBCodeParser();
$membername = Member::currentUser() ? Member::currentUser()->getName() : "";
if(BlogEntry::$allow_wysiwyg_editing) {
$contentfield = new HtmlEditorField("BlogPost", _t("BlogEntry.CN"));
} else {
$contentfield = new CompositeField(
new LiteralField("BBCodeHelper","<a id=\"BBCodeHint\" target='new'>"._t("BlogEntry.BBH")."</a><div class='clear'><!-- --></div>" ),
new TextareaField("BlogPost", _t("BlogEntry.CN"),20), // This is called BlogPost as the id #Content is generally used already
new LiteralField("BBCodeTags","<div id=\"BBTagsHolder\">".$codeparser->useable_tagsHTML()."</div>")
);
}
if(class_exists('TagField')) {
$tagfield = new TagField('Tags', null, null, 'BlogEntry');
$tagfield->setSeparator(', ');
} else {
$tagfield = new TextField('Tags');
}
$field = 'TextField';
if(!$this->AllowCustomAuthors && !Permission::check('ADMIN')) {
$field = 'ReadonlyField';
}
$fields = new FieldList(
new HiddenField("ID", "ID"),
new TextField("Title", _t('BlogHolder.SJ', "Subject")),
new $field("Author", _t('BlogEntry.AU'), $membername),
$contentfield,
$tagfield,
new LiteralField("Tagsnote"," <label id='tagsnote'>"._t('BlogHolder.TE', "For example: sport, personal, science fiction")."<br/>" .
_t('BlogHolder.SPUC', "Please separate tags using commas.")."</label>")
);
$submitAction = new FormAction('postblog', _t('BlogHolder.POST', 'Post blog entry'));
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$actions = new FieldList($submitAction);
$validator = new RequiredFields('Title','BlogPost');
$form = new Form($this, 'BlogEntryForm',$fields, $actions,$validator);
if($id != 0) {
$entry = DataObject::get_by_id('BlogEntry', $id);
if($entry->IsOwner()) {
$form->loadDataFrom($entry);
$form->Fields()->fieldByName('BlogPost')->setValue($entry->Content);
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}
} else {
$form->loadDataFrom(array("Author" => Cookie::get("BlogHolder_Name")));
}
return $form;
}
function postblog($data, $form) {
if(!Permission::check('BLOGMANAGEMENT')) return Security::permissionFailure();
Cookie::set("BlogHolder_Name", $data['Author']);
$blogentry = false;
if(isset($data['ID']) && $data['ID']) {
$blogentry = DataObject::get_by_id("BlogEntry", $data['ID']);
if(!$blogentry->IsOwner()) {
unset($blogentry);
}
}
if(!$blogentry) {
$blogentry = new BlogEntry();
}
$form->saveInto($blogentry);
$blogentry->ParentID = $this->ID;
$blogentry->Content = str_replace("\r\n", "\n", $form->Fields()->fieldByName('BlogPost')->dataValue());
if(Object::has_extension($this->ClassName, 'Translatable')) {
$blogentry->Locale = $this->Locale;
}
$blogentry->writeToStage("Stage");
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$blogentry->publish("Stage", "Live");
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$this->redirect($this->Link());
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}
}