Added blog type dropdown to gridfield

.gitignore

@@ -0,0 +1,4 @@
+.ssh/*
+.bash*
+.profile
+vendor/*

_config.php

@@ -1 +1,21 @@
 <?php
+
+/**
+ * Fetches the name of the current module folder name.
+ *
+ * @return string
+**/
+function blog_dir() {
+	return trim(str_replace(BASE_PATH, "", dirname(__FILE__)), DIRECTORY_SEPARATOR);
+}
+
+
+
+/**
+ * Returns the absolute  path of the current module path
+ *
+ * @return string
+**/
+function blog_path() {
+	return BASE_PATH . '/' . blog_dir();
+}

_config/config.yml

@@ -1,6 +1,7 @@
 ---
-Name: silverstripe-blog
+Only:
+  moduleexists: 'widgets'
 ---
-Blog:
+BlogPost:
-  extensions:
+  defaults:
-    - 'BlogPostFilter'
+    'InheritSideBar': true

css/cms.css

@@ -0,0 +1,9 @@
+.cms .ss-gridfield .gridfield-dropdown {
+	margin: 3px 8px 0 0;
+	border-bottom: none;
+}
+
+.cms .ss-gridfield .gridfield-dropdown .chzn-container,
+.cms .ss-gridfield .gridfield-dropdown .dropdown {
+	min-width: 195px;
+}

extensions/BlogFilter.php

@@ -0,0 +1,65 @@
+<?php
+
+/**
+ * Base extension of BlogPost.
+ *
+ * @package silverstripe
+ * @subpackage blog
+ *
+ * @author Michael Strong <micmania@hotmail.co.uk>
+ *
+ **/
+class BlogFilter extends Hierarchy {
+
+	/**
+	 * Augments (@link Hierarchy::stageChildren()}
+	 *
+	 * @param $staged DataList
+	 * @param $showAll boolean
+	**/
+	public function stageChildren($showAll = false) {
+		$staged = parent::stageChildren($showAll);
+
+		$controller = Controller::curr();
+		if($controller->class == "CMSPagesController" && in_array($controller->getAction(), array("treeview", "listview", "getsubtree"))) {
+			return $staged->exclude("ClassName", $this->owner->getExcludedSiteTreeClassNames());
+		} else if(in_array($this->owner->ClassName, ClassInfo::subClassesFor("Blog")) && !Permission::check("VIEW_DRAFT_CONTENT")) {
+
+			// Get the current stage.
+			$stage = Versioned::current_stage();
+			if($stage == "Stage") $stage = "";
+			else $stage = "_" . Convert::raw2sql($stage);
+
+			$dataQuery = $staged->dataQuery()
+				->innerJoin("BlogPost", "BlogPost" . $stage . ".ID = SiteTree" . $stage . ".ID")
+				->where("PublishDate < NOW()");
+			$staged = $staged->setDataQuery($dataQuery);
+
+		}
+		return $staged;
+	}
+
+
+
+	/**
+	 * Augments (@link Hierarchy::liveChildren()}
+	 *
+	 * @param $staged DataList
+	 * @param $showAll boolean
+	**/
+	public function liveChildren($showAll = false, $onlyDeletedFromStage = false) {
+		$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
+
+		$controller = Controller::curr();
+		if($controller->class == "CMSPagesController" && in_array($controller->getAction(), array("treeview", "listview", "getsubtree"))) {
+			return $staged->exclude("ClassName", $this->owner->getExcludedSiteTreeClassNames());
+		} else if(in_array($this->owner->ClassName, ClassInfo::subClassesFor("Blog")) && !Permission::check("VIEW_DRAFT_CONTENT")) {
+			$dataQuery = $staged->dataQuery()
+				->innerJoin("BlogPost", "BlogPost_Live.ID = SiteTree_Live.ID")
+				->where("PublishDate < NOW()");
+			$staged = $staged->setDataQuery($dataQuery);
+		}
+		return $staged;
+	}
+
+}

extensions/BlogPostFilter.php

@@ -1,65 +1,18 @@
 <?php
 
-/**
+class BlogPostFilter extends DataExtension {
- * Base extension of BlogPost.
- *
- * @package silverstripe
- * @subpackage blog
- *
- * @author Michael Strong <micmania@hotmail.co.uk>
- *
- **/
-class BlogPostFilter extends Hierarchy {
 
 	/**
-	 * Augments (@link Hierarchy::stageChildren()}
+	 * Augment queries so that we don't fetch unpublished articles.
-	 *
-	 * @param $staged DataList
-	 * @param $showAll boolean
 	**/
-	public function stageChildren($showAll = false) {
+	public function augmentSQL(SQLQuery &$query) {
-		$staged = parent::stageChildren($showAll);
 
-		$controller = Controller::curr();
+		$stage = Versioned::current_stage();
-		if($controller->class == "CMSPagesController" && in_array($controller->getAction(), array("treeview", "listview", "getsubtree"))) {
+		if($stage == "Stage") $stage = "";
-			return $staged->exclude("ClassName", $this->owner->getExcludedSiteTreeClassNames());
+		else $stage = "_" . Convert::raw2sql($stage);
-		} else if(in_array($this->owner->ClassName, ClassInfo::subClassesFor("Blog")) && !Permission::check("VIEW_DRAFT_CONTENT")) {
 
-			// Get the current stage.
+		$query->addWhere("PublishDate < NOW()");
-			$stage = Versioned::current_stage();
-			if($stage == "Stage") $stage = "";
-			else $stage = "_" . Convert::raw2sql($stage);
 
-			$dataQuery = $staged->dataQuery()
-				->innerJoin("BlogPost", "BlogPost" . $stage . ".ID = SiteTree" . $stage . ".ID")
-				->where("PublishDate < NOW()");
-			$staged = $staged->setDataQuery($dataQuery);
-
-		}
-		return $staged;
-	}
-
-
-
-	/**
-	 * Augments (@link Hierarchy::liveChildren()}
-	 *
-	 * @param $staged DataList
-	 * @param $showAll boolean
-	**/
-	public function liveChildren($showAll = false, $onlyDeletedFromStage = false) {
-		$staged = parent::liveChildren($showAll, $onlyDeletedFromStage);
-
-		$controller = Controller::curr();
-		if($controller->class == "CMSPagesController" && in_array($controller->getAction(), array("treeview", "listview", "getsubtree"))) {
-			return $staged->exclude("ClassName", $this->owner->getExcludedSiteTreeClassNames());
-		} else if(in_array($this->owner->ClassName, ClassInfo::subClassesFor("Blog")) && !Permission::check("VIEW_DRAFT_CONTENT")) {
-			$dataQuery = $staged->dataQuery()
-				->innerJoin("BlogPost", "BlogPost_Live.ID = SiteTree_Live.ID")
-				->where("PublishDate < NOW()");
-			$staged = $staged->setDataQuery($dataQuery);
-		}
-		return $staged;
 	}
 
 }

extensions/URLSegmentExtension.php

@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * Adds URLSegment functionality to Tags & Categories
+ *
+ * @package silverstripe
+ * @subpackage blog
+ *
+ * @author Michael Strong <micmania@hotmail.co.uk>
+**/
+class URLSegmentExtension extends DataExtension {
+
+	private static $db = array(
+		"URLSegment" => "Varchar(255)"
+	);
+
+	public function onBeforeWrite() {
+		$this->owner->generateURLSegment();
+	}
+
+
+
+	/** 
+	 * Generates a unique URLSegment from the title.
+	 *
+	 * @param $increment
+	 *
+	 * @return string URLSegment
+	**/
+	public function generateURLSegment($increment = null) {
+		$filter = new URLSegmentFilter();
+		$this->owner->URLSegment = $filter->filter($this->owner->Title);
+		if(is_int($increment)) $this->owner->URLSegment .= '-' . $increment;
+
+		// Check to see if the URLSegment already exists
+		$duplicate = DataList::create($this->owner->ClassName)->filter(array(
+			"URLSegment" => $this->owner->URLSegment,
+			"BlogID" => $this->owner->BlogID
+		));
+		if($this->owner->ID) $duplicate = $duplicate->exclude("ID", $this->owner->ID);
+		if($duplicate->count() > 0) {
+			$increment = is_int($increment) ? $increment + 1 : 0;
+			$this->owner->generateURLSegment((int) $increment);
+		}
+		return $this->owner->URLSegment;
+	}
+
+}

forms/AjaxTextField.php

@@ -1,5 +0,0 @@
-<?php
-
-class AjaxTextField extends TextField {
-	
-}

forms/gridfield/GridFieldAddByDBField.php

@@ -73,7 +73,7 @@ class GridFieldAddByDBField implements GridField_ActionProvider, GridField_HTMLP
 
 				$id = $gridField->getList()->add($obj);
 				if(!$id) {
-					$gridField->setError(_t("GridFieldAddByDBField.ADDFAIL", "Unable to save " . $obj->Title . " to the database."));
+					$gridField->setError(_t("GridFieldAddByDBField.ADDFAIL", "Unable to save " . $obj->Title . " to the database."), "error");
 				}
 			} else {
 				throw new UnexpectedValueException("Invalid field (" . $dbField . ") on  " . $obj->ClassName . ".");

forms/gridfield/GridFieldConfig_AddByDBField.php

@@ -1,15 +0,0 @@
-<?php
-
-class GridFieldConfig_AddByDBField extends GridFieldConfig_RecordEditor {
-	
-	public function __construct($itemsPerPage = null, $dataObjectField = "Title") {
-		parent::__construct($itemsPerPage);
-
-		// Remove uneccesary components
-		$this->removeComponentsByType("GridFieldAddNewButton");
-
-		// Add new components
-		$this->addComponent(new GridFieldAddByDBField("buttons-before-left", $dataObjectField));
-	}
-
-}

forms/gridfield/GridFieldSiteTreeAddNewButton.php

@@ -9,7 +9,8 @@
  * @package framework
  * @subpackage fields-gridfield
  */
-class GridFieldSiteTreeAddNewButton extends GridFieldAddNewButton {
+class GridFieldSiteTreeAddNewButton extends GridFieldAddNewButton 
+	implements GridField_ActionProvider {
 
 	public function getHTMLFragments($gridField) {
 		$singleton = singleton($gridField->getModelClass());
@@ -18,21 +19,99 @@ class GridFieldSiteTreeAddNewButton extends GridFieldAddNewButton {
 			return array();
 		}
 
+		$parent = SiteTree::get()->byId(Controller::curr()->currentPageID());
+
 		if(!$this->buttonName) {
 			// provide a default button name, can be changed by calling {@link setButtonName()} on this component
 			$objectName = $singleton->i18n_singular_name();
 			$this->buttonName = _t('GridField.Add', 'Add {name}', array('name' => $objectName));
 		}
 
-		$controller = $gridField->getForm()->getController();
+		$state = $gridField->State->GridFieldSiteTreeAddNewButton;
-		$data = new ArrayData(array(
+		$state->currentPageID = $parent->ID;
-			'NewLink' => $controller->LinkPageAdd("?ParentID=" . $controller->currentPageID()),
+		$state->pageType = $parent->defaultChild();
-			'ButtonName' => $this->buttonName,
+
-		));
+		$addAction = new GridField_FormAction($gridField, 'add',
+			sprintf(_t('GridField.ADD', "Add %s"), $singleton->i18n_singular_name()), 'add', 'add');
+		$addAction->setAttribute('data-icon', 'add')->addExtraClass("no-ajax");
+
+		$allowedChildren = $parent->allowedChildren();
+		$children = array();
+		foreach($allowedChildren as $class) {
+			$children[$class] = singleton($class)->i18n_singular_name();
+		}
+
+		$pageTypes = DropdownField::create(
+			"PageType", 
+			"Page Type",
+			$children,
+			$singleton->defaultChild()
+		);
+		$pageTypes->setFieldHolderTemplate("BlogDropdownField_holder")
+			->addExtraClass("gridfield-dropdown");
+
+		$forTemplate = new ArrayData(array());
+		$forTemplate->Fields = new ArrayList();
+		$forTemplate->Fields->push($pageTypes);
+		$forTemplate->Fields->push($addAction);
+
+		Requirements::css(blog_dir() . "/css/cms.css");
+		Requirements::javascript(blog_dir() . "/javascript/GridField.js");
 
 		return array(
-			$this->targetFragment => $data->renderWith('GridFieldAddNewbutton'),
+			$this->targetFragment => $forTemplate->renderWith("GridFieldSiteTreeAddNewButton")
 		);
 	}
 
+
+
+	/**
+	 * Provide actions to this component.
+	 *
+	 * @param $gridField GridField
+	 *
+	 * @return array
+	**/
+	public function getActions($gridField) {
+		return array("add");
+	}
+
+
+
+	/**
+	 * Handles the add action, but only acts as a wrapper for {@link CMSPageAddController::doAdd()}
+	 *
+	 * @param $gridFIeld GridFIeld
+	 * @param $actionName string
+	 * @param $arguments mixed
+	 * @param $data array
+	**/
+	public function handleAction(GridField $gridField, $actionName, $arguments, $data) {
+		if($actionName == "add") {
+			$tmpData = json_decode($data['BlogPost']['GridState'], true);
+			$tmpData = $tmpData['GridFieldSiteTreeAddNewButton'];
+			
+			$data = array(
+				"ParentID" => $tmpData['currentPageID'],
+				"PageType" => $tmpData['pageType']
+			);
+
+			$controller = Injector::inst()->create("CMSPageAddController");
+
+			$form = $controller->AddForm();
+			$form->loadDataFrom($data);
+
+			$controller->doAdd($data, $form);
+			$response = $controller->getResponseNegotiator()->getResponse();
+
+			// Get the current record
+			$record = SiteTree::get()->byId($controller->currentPageID());
+			if($record) {
+				$response->redirect(Director::absoluteBaseURL() . $record->CMSEditLink(), 301);
+			}
+			return $response;
+
+		}
+	}
+
 }

javascript/GridField.js

@@ -0,0 +1,16 @@
+(function($){
+
+	$.entwine('ss', function($) {
+		$('.ss-gridfield .field .gridfield-dropdown').entwine({
+
+			onchange: function() {
+				var gridField = this.getGridField();
+				var state = gridField.getState().GridFieldSiteTreeAddNewButton;
+
+				state.pageType = this.val();
+				gridField.setState("GridFieldSiteTreeAddNewButton", state);
+			}
+		});
+	});
+
+}(jQuery));

model/BlogCategory.php

@@ -18,8 +18,33 @@ class BlogCategory extends DataObject {
 		"Blog" => "Blog",
 	);
 
-	private static $many_many = array(
+	private static $belongs_many_many = array(
 		"BlogPosts" => "BlogPost",
 	);
 
+	private static $extensions = array(
+		"URLSegmentExtension",
+	);
+
+
+
+	public function getCMSFields() {
+		$fields = new FieldList(
+			TextField::create("Title", _t("BlogTag.FieldLabels.TITLE", "Title"))
+		);
+		$this->extend("updateCMSFields", $fields);
+		return $fields;
+	}
+
+
+
+	/**
+	 * Returns a relative link to this category.
+	 *
+	 * @return string URL
+	**/
+	public function getLink() {
+		return Controller::join_links($this->Blog()->Link(), "category", $this->URLSegment);
+	}
+
 }

model/BlogTag.php

@@ -18,8 +18,30 @@ class BlogTag extends DataObject {
 		"Blog" => "Blog",
 	);
 
-	private static $many_many = array(
+	private static $belongs_many_many = array(
 		"BlogPosts" => "BlogPost",
 	);
 
+	private static $extensions = array(
+		"URLSegmentExtension",
+	);
+
+	public function getCMSFields() {
+		$fields = new FieldList(
+			TextField::create("Title", _t("BlogTag.FieldLabels.TITLE", "Title"))
+		);
+		$this->extend("updateCMSFields", $fields);
+		return $fields;
+	}
+
+
+	/**
+	 * Returns a relative URL for the tag link.
+	 *
+	 * @return string URL
+	**/
+	public function getLink() {
+		return Controller::join_links($this->Blog()->Link(), "tag", $this->URLSegment);
+	}
+
 }

page/Blog.php

@@ -10,40 +10,22 @@
 **/
 class Blog extends Page {
 
+	private static $db = array(
+		"PostsPerPage" => "Int",
+	);
+
 	private static $has_many = array(
 		"Tags" => "BlogTag",
-		"Categories" => "BlogCategory"
+		"Categories" => "BlogCategory",
 	);
 	
 	private static $allowed_children = array(
-		"BlogPost"
+		"BlogPost",
 	);
 
-
+	private static $extensions = array(
-	/**
+		"BlogFilter",
-	 * Enable archive.
+	);
-	 *
-	 * @var boolean
-	**/
-	private static $archive_enabled = true;
-
-
-	/**
-	 * Enable tags
-	 *
-	 * @var boolean
-	**/
-	private static $tags_enabled = true;
-
-
-	/**
-	 * Enable categories
-	 *
-	 * @var boolean
-	**/
-	private static $categories_enabled = true;
-
-
 
 	/**
 	 * Whether or not to show BlogPost's in a GridField. Usually this will be
@@ -67,27 +49,37 @@ class Blog extends Page {
 			$fields->addFieldToTab("Root.BlogPosts", $gridField);
 		}
 
-		if($this->config()->get("categories_enabled")) {
+		// Create categories and tag config
-			$fields->addFieldToTab("Root." . _t("Blog.CATEGORIES", "Categories"),
+		$config = GridFieldConfig_RecordEditor::create();
-				GridField::create(
+		$config->removeComponentsByType("GridFieldAddNewButton");
-					"Categories",
+		$config->addComponent(new GridFieldAddByDBField("buttons-before-left"));
-					_t("Blog.FieldLabels.Categories", "Categories"),
-					$this->Categories(),
-					GridFieldConfig_AddByDBField::create()
-				)
-			);
-		}
 
-		if($this->config()->get("tags_enabled")) {
+		$categories = GridField::create(
-			$fields->addFieldToTab("Root." . _t("Blog.TAGS", "Tags"),
+			"Categories",
-				GridField::create(
+			_t("Blog.FieldLabels.Categories", "Categories"),
-					"Tags",
+			$this->Categories(),
-					_t("Blog.FieldLabels.Tags", "Tags"),
+			$config
-					$this->Tags(),
+		);
-					GridFieldConfig_AddByDBField::create()
+
-				)
+		$tags = GridField::create(
-			);
+			"Tags",
-		}
+			_t("Blog.FieldLabels.Tags", "Tags"),
+			$this->Tags(),
+			$config
+		);
+
+		$fields->addFieldsToTab("Root.BlogOptions", array(
+			$categories,
+			$tags
+		));
+
+		return $fields;
+	}
+
+
+	public function getSettingsFields() {
+		$fields = parent::getSettingsFields();
+		$fields->addFieldToTab("Root.Settings", NumericField::create("PostsPerPage", _t("Blog.FieldLabels.POSTSPERPAGE", "Posts Per Page")));
 		return $fields;
 	}
 
@@ -118,7 +110,7 @@ class Blog extends Page {
 	 * @return DataList of BlogPost objects
 	**/
 	public function getBlogPosts() {
-		return $this->AllChildren()->filter("ClassName", ClassInfo::subClassesFor("BlogPost"));
+		return BlogPost::get()->filter("ParentID", $this->ID);
 	}
 
 }
@@ -142,48 +134,208 @@ class Blog_Controller extends Page_Controller {
 	);
 
 	private static $url_handlers = array(
-		'tag/$Tag' => "tag",
+		'tag/$Tag!' => 'tag',
-		'category/$Category' => "category",
+		'category/$Category!' => 'category',
+		'archive/$Year!/$Month' => 'archive',
 	);
 
+
+	/** 
+	 * The current Blog Post DataList query.
+	 *
+	 * @var DataList
+	**/
 	protected $blogPosts;
 
+
+
 	public function index() {
-		$this->blogPosts = $this->AllChildren();
+		$this->blogPosts = $this->getBlogPosts();
 		return $this->render();
 	}
 
 
+
+	/**
+	 * Renders an archive for a specificed date. This can be by year or year/month
+	 *
+	 * @return SS_HTTPResponse
+	**/
 	public function archive() {
-		return $this->render();
+		$year = $this->getArchiveYear();
+		$month = $this->getArchiveMonth();
+
+		// If an invalid month has been passed, we can return a 404.
+		if($this->request->param("Month") && !$month) {
+			return $this->httpError(404, "Not Found");
+		}
+
+		if($year) {
+			if($month) {
+				$startDate = $year . '-' . $month . '-01 00:00:00';
+				if($month == 12) {
+					$endDate = ($year+1) . '-01-01 00:00:00';
+				} else {
+					$endDate = $year . '-' . ($month + 1) . '-' . '01 00:00:00';
+				}
+			} else {
+				$startDate = $year . '-01-01 00:00:00';
+				$endDate = ($year+1) . '12-31 23:59:59';
+			}
+
+			// Ensure that we never fetch back unpublished future posts.
+			if(strtotime($endDate) > time()) {
+				$endDate = date('Y-m-d H:i:s');
+			}
+
+			$query = $this->getBlogPosts()->dataQuery();
+
+			$stage = $query->getQueryParam("Versioned.stage");
+			if($stage) $stage = '_' . Convert::raw2sql($stage);
+
+			$query->innerJoin("BlogPost", "`SiteTree" . $stage . "`.`ID` = `BlogPost" . $stage . "`.`ID`");
+			$query->where("`PublishDate` >= '" . Convert::raw2sql($startDate) . "'
+				AND `PublishDate` < '" . Convert::raw2sql($endDate) . "'");
+
+			$this->blogPosts = $this->getBlogPosts()->setDataQuery($query);
+			return $this->render();
+		}
+		return $this->httpError(404, "Not Found");
 	}
 
 
+
+	/**
+	 * Renders the blog posts for a given tag.
+	 *
+	 * @return SS_HTTPResponse
+	**/
 	public function tag() {
+		$tag = $this->getCurrentTag();
+		if($tag) {
+			$this->blogPosts = $tag->BlogPosts();
+			return $this->render();
+		}
+		return $this->httpError(404, "Not Found");
+	}
+
+
+
+	/**
+	 * Renders the blog posts for a given category
+	 *
+	 * @return SS_HTTPResponse
+	**/
+	public function category() {
+		$category = $this->getCurrentCategory();
+		if($category) {
+			$this->blogPosts = $category->BlogPosts();
+			return $this->render();
+		}
+		return $this->httpError(404, "Not Found");
+	}
+
+
+
+	/**
+	 * Returns a list of paginated blog posts based on the blogPost dataList
+	 *
+	 * @return PaginatedList
+	**/
+	public function PaginatedList() {
+		$posts = new PaginatedList($this->blogPosts);
+
+		// If pagination is set to '0' then no pagination will be shown.
+		if($this->PostsPerPage > 0) $posts->setPageLength($this->PostsPerPage);
+		else $posts->setPageLength($this->getBlogPosts()->count());
+
+		$start = $this->request->getVar($posts->getPaginationGetVar());
+		$posts->setPageStart($start);
+
+		return $posts;
+	}
+
+
+
+	/**
+	 * Tag Getter for use in templates.
+	 *
+	 * @return BlogTag|null
+	**/
+	public function getCurrentTag() {
 		$tag = $this->request->param("Tag");
 		if($tag) {
-			$tag = $this->Tags()->filter("Title", $tag)->first();
+			return $this->dataRecord->Tags()
-			if($tag) {
+				->filter("URLSegment", $tag)
-				$this->blogPosts = $this->AllChildren()->filter("ID", $tag->BlogPosts()->getIDList());
+				->first();
-				return $this->render();
-			}
 		}
-		return $this->httpError(404, "Not Found");
+		return null;
 	}
 
-	public function category() {
+
+
+	/**
+	 * Category Getter for use in templates.
+	 *
+	 * @return BlogCategory|null
+	**/
+	public function getCurrentCategory() {
 		$category = $this->request->param("Category");
 		if($category) {
-			$category = $this->Categories()->filter("Title", $category)->first();
+			return $this->dataRecord->Categories()
-			if($category) {
+				->filter("URLSegment", $category)
-				$this->blogPosts = $this->AllChildren()->filter("ID", $category->BlogPosts()->getIDList());
+				->first();
-				return $this->render();
-			}
 		}
-		return $this->httpError(404, "Not Found");
+		return null;
 	}
 
-	public function PaginatedPosts() {
+
-		return new PaginatedList($this->blogPosts);
+
+	/**
+	 * Fetches the archive year from the url
+	 *
+	 * @return int|null
+	**/
+	public function getArchiveYear() {
+		$year = $this->request->param("Year");
+		if(preg_match("/^[0-9]{4}$/", $year)) {
+			return $year;
+		}
+		return null;
 	}
+
+
+
+	/**
+	 * Fetches the archive money from the url.
+	 *
+	 * @return int|null
+	**/
+	public function getArchiveMonth() {
+		$month = $this->request->param("Month");
+		if(preg_match("/^[0-9]{1,2}$/", $month)) {
+			if($month > 0 && $month < 13)
+				return $month;
+		}
+		return null;
+	}
+
+
+
+	public function getArchiveDate() {
+		$year = $this->getArchiveYear();
+		$month = $this->getArchiveMonth();
+
+		if($year) {
+			if($month) {
+				$startDate = $year . '-' . $month . '-01 00:00:00';
+			} else {
+				$startDate = $year . '-01-01 00:00:00';
+			}
+			$date = new Date("ArchiveDate");
+			$date->setValue($startDate);
+			return $date;
+		}
+	}
+
 }

page/BlogPost.php

@@ -17,6 +17,19 @@ class BlogPost extends Page {
 		"PublishDate" => "SS_Datetime",
 	);
 
+	private static $has_one = array(
+		"FeaturedImage" => "Image",
+	);
+
+	private static $many_many = array(
+		"Categories" => "BlogCategory",
+		"Tags" => "BlogTag",
+	);
+
+	private static $defaults = array(
+		"ShowInMenus" => 0,
+	);
+
 
 	/**
 	 * @var array
@@ -25,12 +38,33 @@ class BlogPost extends Page {
 	
 
 
+	/**
+	 * Set the default sort to publish date
+	 *
+	 * @var string
+	**/
+	private static $default_sort = "PublishDate DESC";
+
+
+
+	/**
+	 * Add blog post filter to BlogPost
+	 *
+	 * @var array
+	**/
+	private static $extensions = array(
+		"BlogPostFilter",
+	);
+
+
+
 	/**
 	 * @var boolean
 	**/
 	public static $can_be_root = false;
 
 
+
 	/**
 	 * This will display or hide the current class from the SiteTree. This
 	 * variable can be configured using YAML.
@@ -40,16 +74,35 @@ class BlogPost extends Page {
 	private static $show_in_site_tree = false;
 
 
+
 	public function getCMSFields() {
 		$fields = parent::getCMSFields();
-		$fields->insertBefore(
+
-			$publishDate = DatetimeField::create("PublishDate", _t("BlogPost.FieldLabels.PublishDate", "Publish Date")), 
+		// Add Publish date fields
+		$fields->insertAfter(
+			$publishDate = DatetimeField::create("PublishDate", _t("BlogPost.FieldLabels.PUBLISHDATE", "Publish Date")), 
 			"Content"
 		);
-		
-		// Publish date field config.
 		$publishDate->getDateField()->setConfig("showcalendar", true);
 
+		// Add Categories & Tags fields
+		$categories = $this->Parent()->Categories()->map()->toArray();
+		$categoriesField = ListboxField::create("Categories", _t("BlogPost.FieldLabels.CATEGORIES", "Categories"), $categories)
+			->setMultiple(true);
+		$fields->insertAfter($categoriesField, "PublishDate");
+
+		$tags = $this->Parent()->Tags()->map()->toArray();
+		$tagsField = ListboxField::create("Tags", _t("BlogPost.FieldLabels.TAGS", "Tags"), $tags)
+			->setMultiple(true);
+		$fields->insertAfter($tagsField, "Categories");
+
+		// Add featured image
+		$fields->insertBefore(
+			$uploadField = UploadField::create("FeaturedImage", _t("BlogPost.FieldLabels.FEATUREDIMAGE", "Featured Image")),
+			"Content"
+		);
+        $uploadField->getValidator()->setAllowedExtensions(array('jpg', 'jpeg', 'png', 'gif'));
+
 		return $fields;
 	}
 
@@ -84,11 +137,48 @@ class BlogPost extends Page {
 		return true;
 	}
 
+
+
+	/**
+	 * Returns the post excerpt.
+	 *
+	 * @param $wordCount int - number of words to display
+	 *
+	 * @return string 
+	**/
+	public function getExcerpt($wordCount = 30) {
+		return $this->dbObject("Content")->LimitWordCount($wordCount);
+	}
+
+
+
+	/**
+	 * Returns a monthly archive link for the current blog post.
+	 *
+	 * @return string URL
+	**/
+	public function getMonthlyArchiveLink() {
+		$date = $this->dbObject("PublishDate");
+		return Controller::join_links($this->Parent()->Link("archive"), $date->format("Y"), $date->format("m"));
+	}
+
+
+
+	/**
+	 * Returns a yearly archive link for the current blog post.
+	 *
+	 * @return string URL
+	**/
+	public function getYearlyArchiveLink() {
+		$date = $this->dbObject("PublishDate");
+		return Controller::join_links($this->Parent()->Link("archive"), $date->format("Y"));
+	}
+
 }
 
 
 /**
- * An indivisual blog post.
+ * Blog Post controller
  *
  * @package silverstripe
  * @subpackage blog

templates/Includes/BlogPagination.ss

@@ -0,0 +1,21 @@
+<% if $PaginatedList.MoreThanOnePage %>
+    <nav class="BlogPagination">
+        <% if $PaginatedList.NotFirstPage %>
+            <a class="prev" href="$PaginatedList.PrevLink">Prev</a>
+        <% end_if %>
+        <% loop $PaginatedList.Pages %>
+            <% if $CurrentBool %>
+                $PageNum
+            <% else %>
+                <% if $Link %>
+                    <a href="$Link">$PageNum</a>
+                <% else %>
+                    ...
+                <% end_if %>
+            <% end_if %>
+            <% end_loop %>
+        <% if $PaginatedList.NotLastPage %>
+            <a class="next" href="$PaginatedList.NextLink">Next</a>
+        <% end_if %>
+    </nav>
+<% end_if %>

templates/Includes/BlogSideBar.ss

@@ -0,0 +1,3 @@
+<aside class="sidebar unit size1of4">
+	$SideBar
+</aside>

templates/Layout/Blog.ss

@@ -1,18 +0,0 @@
-<% include SideBar %>
-<div class="content-container unit size3of4 lastUnit">
-	<article>
-		<h1>$Title</h1>
-		<div class="content">$Content</div>
-		<% if BlogPosts %>
-			<ul>
-				<% loop BlogPosts %>
-					<li><a href="$Link" title="$Title">$Title</a></li>
-				<% end_loop %>
-			</ul>
-		<% else %>
-			<p>Unable to find any blog posts.</p>
-		<% end_if %>
-	</article>
-		$Form
-		$PageComments
-</div>

templates/forms/BlogDropdownField_holder.ss

@@ -0,0 +1,3 @@
+<div class="field<% if $extraClass %> $extraClass<% end_if %>">
+	$Field
+</div>

templates/forms/GridFieldSiteTreeAddNew.ss

@@ -0,0 +1,3 @@
+<% loop Fields %>
+	$Field
+<% end_loop %>

templates/forms/GridFieldSiteTreeAddNewButton.ss

@@ -0,0 +1,3 @@
+<% loop Fields %>
+	$FieldHolder
+<% end_loop %>

templates/widgets/BlogArchiveWidget.ss

@@ -0,0 +1,9 @@
+<% if Archive %>
+<nav class="secondary">
+	<ul>
+		<% loop Archive %>
+			<li><a href="$Link" title="$Title">$Title</a></li>
+		<% end_loop %>
+	</ul>
+	<% end_if %>
+</nav>

templates/widgets/BlogCategoriesWidget.ss

@@ -0,0 +1,7 @@
+<nav class="secondary">
+	<ul>
+		<% loop Categories %>
+			<li><a href="$Link" title="$Title">$Title</a></li>
+		<% end_loop %>
+	</ul>
+</nav>

templates/widgets/BlogRecentPostsWidget.ss

@@ -0,0 +1,7 @@
+<nav class="secondary">
+	<ul>
+		<% loop Posts %>
+			<li><a href="$Link" title="$Title">$Title</a></li>
+		<% end_loop %>
+	</ul>
+</nav>

templates/widgets/BlogTagsWidget.ss

@@ -0,0 +1,7 @@
+<nav class="secondary">
+	<ul>
+		<% loop Tags %>
+			<li><a href="$Link" title="$Title">$Title</a></li>
+		<% end_loop %>
+	</ul>
+</nav>

widgets/BlogArchiveWidget.php

@@ -0,0 +1,81 @@
+<?php
+
+class BlogArchiveWidget extends Widget {
+	
+	private static $title = "Archive";
+
+	private static $cmsTitle = "Archive";
+
+	private static $description = "Displays an archive list of posts.";
+
+	private static $db = array(
+		"NumberToDisplay" => "Int",
+		"Type" => "Enum('Monthly, Yearly', 'Monthly')"
+	);
+
+	private static $defaults = array(
+		"NumberOfMonths" => 12
+	);
+
+	private static $has_one = array(
+		"Blog" => "Blog",
+	);
+
+	public function getCMSFields() {
+		$fields = parent::getCMSFields();
+
+		$type = $this->dbObject("Type")->enumValues();
+		foreach($type as $k => $v) {
+			$type[$k] = _t("BlogArchiveWidget." . strtoupper($v), $v);
+		}
+
+		$fields->push(DropdownField::create("BlogID", _t("BlogArchiveWidget.FieldLabels.BLOG", "Blog"), Blog::get()->map()));
+		$fields->push(DropdownField::create("Type", _t("BlogArchiveWidget.FieldLabels.TYPE", "Type"), $type));
+		$fields->push(NumericField::create("NumberToDisplay", _t("BlogArchiveWidget.LabelFields.NUMBERTODISPLAY", "No. to Display")));
+		return $fields;
+	}
+
+
+	/**
+	 * Returns a list of months where blog posts are present.
+	 *
+	 * @return DataList
+	**/
+	public function getArchive() {
+		$query = $this->Blog()->getBlogPosts()->dataQuery();
+
+		if($this->Type == "Yearly") {
+			$query->groupBy("DATE_FORMAT(PublishDate, '%Y')");
+		} else {
+			$query->groupBy("DATE_FORMAT(PublishDate, '%Y-%M')");
+		}
+
+		$articles = $this->Blog()->getBlogPosts()->setDataQuery($query);
+		if($this->NumberToDisplay > 0) $articles = $articles->limit($this->NumberToDisplay);
+		
+		$archive = new ArrayList();
+		if($articles->count() > 0) {
+			foreach($articles as $article) {
+				if($this->Type == "Yearly") {
+					$year = date('Y', strtotime($article->PublishDate));
+					$month = null;
+					$title = $year;
+				} else {
+					$year = date('Y', strtotime($article->PublishDate));
+					$month = date('m', strtotime($article->PublishDate));
+					$title = date('F Y', strtotime($article->PublishDate));
+				}
+				$archive->push(new ArrayData(array(
+					"Title" => $title,
+					"Link" => Controller::join_links($this->Blog()->Link("archive"), $year, $month)
+				)));
+			}
+		}
+		return $archive;
+	}
+
+}
+
+class BlogArchiveWidget_Controller extends Widget_Controller {
+	
+}

widgets/BlogCategoriesWIdget.php

@@ -0,0 +1,35 @@
+<?php
+
+class BlogCategoriesWidget extends Widget {
+	
+	private static $title = "Categories";
+
+	private static $cmsTitle = "Blog Categories";
+
+	private static $description = "Displays a list of blog categories.";
+
+	private static $db = array();
+
+	private static $has_one = array(
+		"Blog" => "Blog",
+	);
+
+	public function getCMSFields() {
+		$fields = parent::getCMSFields();
+		$fields->push(DropdownField::create("BlogID", _t("BlogCategoriesWidget.FieldLabels.BLOG", "Blog"), Blog::get()->map()));
+		return $fields;
+	}
+
+	public function getCategories() {
+		$blog = $this->Blog();
+		if($blog) {
+			return $blog->Categories();
+		}
+		return array();
+	}
+
+}
+
+class BlogCategoriesWidget_Controller extends Widget_Controller {
+	
+}

widgets/BlogRecentPostsWidget.php

@@ -0,0 +1,40 @@
+<?php
+
+class BlogRecentPostsWidget extends Widget {
+	
+	private static $title = "Recent Posts";
+
+	private static $cmsTitle = "Recent Posts";
+
+	private static $description = "Displays a list of recent blog posts.";
+
+	private static $db = array(
+		"NumberOfPosts" => "Int",
+	);
+
+	private static $has_one = array(
+		"Blog" => "Blog",
+	);
+
+	public function getCMSFields() {
+		$fields = parent::getCMSFields();
+		$fields->push(DropdownField::create("BlogID", _t("BlogCategoriesWidget.FieldLabels.BLOG", "Blog"), Blog::get()->map()));
+		$fields->push(NumericField::create("NumberOfPosts", _t("BlogRecentPostsWidget.FieldLabels.NUMBEROFPOSTS", "Number of Posts")));
+		return $fields;
+	}
+
+	public function getPosts() {
+		$blog = $this->Blog();
+		if($blog) {
+			return $blog->getBlogPosts()
+				->sort("PublishDate DESC")
+				->limit($this->NumberOfPosts);
+		}
+		return array();
+	}
+
+}
+
+class BlogRecentPostsWidget_Controller extends Widget_Controller {
+	
+}

widgets/BlogTagsWidget.php

@@ -0,0 +1,35 @@
+<?php
+
+class BlogTagsWidget extends Widget {
+	
+	private static $title = "Tags";
+
+	private static $cmsTitle = "Blog Tags";
+
+	private static $description = "Displays a list of blog tags.";
+
+	private static $db = array();
+
+	private static $has_one = array(
+		"Blog" => "Blog",
+	);
+
+	public function getCMSFields() {
+		$fields = parent::getCMSFields();
+		$fields->push(DropdownField::create("BlogID", _t("BlogCategoriesWidget.FieldLabels.BLOG", "Blog"), Blog::get()->map()));
+		return $fields;
+	}
+
+	public function getTags() {
+		$blog = $this->Blog();
+		if($blog) {
+			return $blog->Tags();
+		}
+		return array();
+	}
+
+}
+
+class BlogTagsWidget_Controller extends Widget_Controller {
+	
+}