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Joomla 3 Component Development Controller Upload File

Written By الأربعاء، 13 أبريل 2022 Add Comment Edit

Developing an MVC Component

This is a multiple-article series of tutorials on how to develop a Model-View-Controller Component for Joomla! VersionJoomla 3.x.

Begin with the Introduction, and navigate the articles in this series by using the navigation push at the bottom or the box to the right (the Articles in this series).

This tutorial is office of the Developing an MVC Component for Joomla! 3.two tutorial. You are encouraged to read the previous parts of the tutorial before reading this.

In this step we add together a feed to our component. A video accompanying this tutorial may be establish at Adding a Feed.

Introduction

If you're not familiar with feeds and then information technology's worth doing some background reading on the Internet. Joomla provides the capability of generating a feed of featured articles, or articles in a category – encounter for instance this tutorial. In this tutorial step we enable equivalent functionality for generating a feed of helloworld records associated with a helloworld category.

On the Joomla website setting up a feed associated with an article category involves

  1. creating a menuitem pointing to a webpage showing articles in a given category
  2. enabling the Syndication Feed module and displaying it on that menuitem.

This module displays an RSS symbol on the webpage which has behind it a link to the URL of the RSS or Atom feed associated with that article category.

To subscribe to the feed a user copies this URL into his or her feed aggregator. When the feed aggregator sends an HTTP request to this URL, then the Joomla website returns an XML document containing details of the articles in that category – their titles, descriptions, published dates, etc.

Then for example, if the webpage displays a listing of the articles associated with a category "applied science" and then the URL backside the RSS image will point to the associated feed. When a browser or feed aggregator sends an HTTP asking to that feed URL then the server will render an XML document in RSS or Atom format containing details of those articles with a category of "applied science".

In this way a feed aggregator can send HTTP requests to all of the feeds to which the user has subscribed, and collate them and so that user doesn't have to visit each of the individual news websites. And the user tin can configure the news aggregator to bank check the feeds at specific times, so that the data can been already collected and collated by the time the user wishes to view it.

Note that in addition to the syndicated feed which we're because here, Joomla also has a newsfeed capability, which enables y'all to display a webpage showing information collected from syndicated feeds elsewhere – similar to what a feed aggregator would do – just this isn't the functionality which this tutorial pace is about.

Approach

We currently take a site category view which displays the helloworld records associated with a given category. In this step we add together an RSS syndicated feed to this page. This will result in an RSS symbol shown every bit an image, with a URL behind which will give an XML feed in RSS or Cantlet format of the helloworld records associated with that category.

If you lot haven't already got a site menuitem which points to a category view and then you should configure one as a starting signal.

To enable the syndicated feed we must do the following.

  1. Nether Modules, find and enable the Syndicated Feed module. Click on this module to edit its options, and under the Bill of fare Consignment tab ensure that it's shown just on the site folio which displays the helloworld category view. Annotation that among the options in that location is one which defines whether Joomla presents the XML information in the RSS or Cantlet format.
  2. Ascertain a helloworld configuration parameter which controls whether the RSS symbol with its link is shown or non. The Joomla code displays the RSS symbol only if it finds this parameter and it's set to Show.
  3. In the category view.html.php we demand to inherit from JViewCategory (which in the revised namespacing scheme is CategoryView in namespace Joomla\CMS\MVC\View) and telephone call the addFeed() method of this class. This method inserts the RSS/Cantlet links into the document <head> – which is where the Syndicated Feed module expects to find the URL for putting behind the RSS symbol.
  4. The URL for the RSS feed includes the query parameter "format=feed" and so we need to have a file view.feed.php and the code for this new file is institute below. Note that it inherits from the class JViewCategoryfeed, or in the newer namespaced construction CategoryFeedView within the namespace Joomla\CMS\MVC\View.
  5. Include in the SQL query within the helloworld category model all the fields which you want to populate inside the RSS/Atom feed XML document.

The URL of the RSS feed will be something like: http://yourDomain.com/yourJoomlaInstance/alphabetize.php?option=com_helloworld&view=category&id=37&Itemid=822&lang=en&format=feed&type=rss When Joomla receives a URL like this, it handles information technology in the same way as usual:

  • the pick is "com_helloworld", so it volition run our helloworld.php file
  • information technology will run the display() method within the helloworld controller – this will equally usual ready up the view and the model
  • because the URL parameter format = "feed" it will expect the view to be in ./views/category/view.feed.html and will run the HelloworldViewCategory::brandish() method.
  • this display() code is establish from the parent form JViewCategoryfeed / CategoryFeedView. This is the lawmaking which brings together the data to be put into the response XML document – for example, the titles, descriptions, links – mapping them from the fields in the SQL query result, and I would recommend looking through the code to get an idea of what it does.
    • information technology calls $this->get('Items'), which gets translated into a telephone call getItems() in the model – so nosotros need to ensure that our SQL query in this function provides all the fields we want to be present in the RSS XML response.
    • it calls $this->get('Category'), so we demand to accept a method getCategory() in our model
    • it maps some of the fields using the ucm content-types field mapping data which we supplied in the stride Adding Tags. To find the correct record in this tabular array it uses the cardinal formed by the extension ("com_helloworld") and the view ("helloworld"), so this is why we need to set the $viewname property in this grade.
    • information technology allows us to define mappings of other fields through the method reconcileNames(). We use this to include in the description field a link to the associated image.

Configuration changes

Following standard Joomla exercise, nosotros put the Evidence Feed Link pick within the integration tab of the Helloworld configuration options.

admin/config.xml 

<?xml version="1.0" encoding="utf-8"?> <config> 	<fieldset 		proper name="greetings" 		characterization="COM_HELLOWORLD_CONFIG_GREETING_SETTINGS_LABEL" 		description="COM_HELLOWORLD_CONFIG_GREETING_SETTINGS_DESC" 	> 		<field 			proper name="show_category" 			blazon="radio" 			label="COM_HELLOWORLD_HELLOWORLD_FIELD_SHOW_CATEGORY_LABEL" 			description="COM_HELLOWORLD_HELLOWORLD_FIELD_SHOW_CATEGORY_DESC" 			default="0" 		> 			<option value="0">JHIDE</option> 			<option value="i">JSHOW</choice> 		</field>         <field 			name="captcha" 			type="plugins"             folder="captcha" 			characterization="COM_HELLOWORLD_HELLOWORLD_FIELD_CAPTCHA_LABEL" 			description="COM_HELLOWORLD_HELLOWORLD_FIELD_CAPTCHA_DESC" 			default="0" 			filter="cmd" 		>             <option value="">JOPTION_USE_DEFAULT</pick> 			<selection value="0">JOPTION_DO_NOT_USE</selection> 		</field>         <field 			name="user_to_email" 			type="user" 			label="COM_HELLOWORLD_HELLOWORLD_FIELD_USER_TO_EMAIL_LABEL" 			description="COM_HELLOWORLD_HELLOWORLD_FIELD_USER_TO_EMAIL_DESC" 			default="0" 		> 		</field> 		<field 			proper name="save_history" 			type="radio" 			grade="btn-group btn-group-yesno" 			default="i" 			label="JGLOBAL_SAVE_HISTORY_OPTIONS_LABEL" 			description="JGLOBAL_SAVE_HISTORY_OPTIONS_DESC" 		> 			<choice 				value="0">JNO</pick> 			<option 				value="i">JYES</option> 		</field> 		<field 			name="history_limit" 			blazon="text" 			filter="integer" 			label="JGLOBAL_HISTORY_LIMIT_OPTIONS_LABEL" 			description="JGLOBAL_HISTORY_LIMIT_OPTIONS_DESC" 			default="5" 		> 		</field> 	</fieldset> 	<fieldset proper name="integration" 		label="JGLOBAL_INTEGRATION_LABEL" 		description="COM_HELLOWORLD_CONFIG_INTEGRATION_SETTINGS_DESC" 	> 		<field 			name="show_feed_link" 			type="radio" 			class="btn-grouping btn-group-yesno" 			default="1" 			label="JGLOBAL_SHOW_FEED_LINK_LABEL" 			description="JGLOBAL_SHOW_FEED_LINK_DESC"> 			<choice value="1">JSHOW</option> 			<choice value="0">JHIDE</option> 		</field> 	</fieldset>     <fieldset 		proper name="permissions" 		label="JCONFIG_PERMISSIONS_LABEL" 		clarification="JCONFIG_PERMISSIONS_DESC" 	> 		<field 			name="rules" 			type="rules" 			label="JCONFIG_PERMISSIONS_LABEL" 			class="inputbox" 			validate="rules" 			filter="rules" 			component="com_helloworld" 			department="component" 		/> 	</fieldset> </config>

Category View code files

In our updated category view html file we change the class we're inheriting from and include a call to the parent addFeed() method. This method expects the params to take been set.

site/views/category/view.html.php 

<?php /*  * View file for the view which displays a list of helloworld letters in a given category  */   defined('_JEXEC') or die;  class HelloworldViewCategory extends JViewCategory { 	public function display($tpl = null) 	{ 		$this->categoryName = $this->get("CategoryName");  		$this->items = $this->get('Items'); 		$this->pagination = $this->get('Pagination'); 		$this->state = $this->get('State'); 		$this->filterForm    	= $this->become('FilterForm'); 		$this->activeFilters 	= $this->get('ActiveFilters');  		$this->subcategories = $this->get('Subcategories');  		$this->params = JFactory::getApplication()->getParams();  		parent::display($tpl); 	}  	protected function prepareDocument() 	{ 		parent::prepareDocument(); 		parent::addFeed(); 	} }

We besides take the new view file for the feed format.

site/views/category/view.feed.php 

<?php /**  * view file associated with the Syndicated Feed for a helloworld category  */  defined('_JEXEC') or die;  class HelloworldViewCategory extends JViewCategoryfeed { 	// required and then that the parent class can find the helloworld content-type record containing the field mapping details 	protected $viewName = 'helloworld';  	/** 	 * Function overriding the parent reconcileNames() method.  	 * We apply this to insert an html link to the helloworld epitome into the description 	 *  	 * The input parameter is the helloworld detail as extracted from the database, passed past reference 	 * 	 * The result of the method is that the helloworld item passed as a parameter gets its description property changed 	 */ 	protected function reconcileNames($detail) 	{  		$description = ''; 		 		if (!empty($item->image)) 		{ 			// Convert the JSON-encoded epitome info into an array 			$imageDetails = new JRegistry; 			$imageDetails->loadString($detail->prototype, 'JSON'); 			$src = $imageDetails->get('paradigm',''); 			if (!empty($src)) 			{ 				$description .= '<p><img src="' . $src . '" /></p>'; 			} 		} 		$item->description =  $description . $item->description; 	} }

Model changes

site/models/category.php 

<?php /**  * Model for displaying the helloworld messages in a given category  */  defined('_JEXEC') or die;  class HelloworldModelCategory extends JModelList { 	public part __construct($config = array()) 	{ 		if (empty($config['filter_fields'])) 		{ 			$config['filter_fields'] = array( 				'id', 				'greeting', 				'alias', 				'lft', 			); 		}  		parent::__construct($config); 	}      	protected function populateState($ordering = null, $management = null) 	{ 		parent::populateState($ordering, $direction);          		$app = JFactory::getApplication('site'); 		$catid = $app->input->getInt('id');  		$this->setState('category.id', $catid); 	}      	protected office getListQuery() 	{ 		$db    = JFactory::getDbo(); 		$query = $db->getQuery(true);  		$catid = $this->getState('category.id');  		$query->select('id, greeting, alias, catid, access, description, prototype') 			->from($db->quoteName('#__helloworld')) 			->where('catid = ' . $catid);  		if (JLanguageMultilang::isEnabled()) 		{ 			$lang = JFactory::getLanguage()->getTag(); 			$query->where('language IN ("*","' . $lang . '")'); 		}  		$orderCol	= $this->state->go('list.ordering', 'lft'); 		$orderDirn 	= $this->state->go('listing.direction', 'asc');  		$query->gild($db->escape($orderCol) . ' ' . $db->escape($orderDirn));  		return $query;	 	}  	public function getCategoryName() 	{ 		$catid = $this->getState('category.id');  		$categories = JCategories::getInstance('Helloworld', array('access' => fake)); 		$categoryNode = $categories->get($catid);    		render $categoryNode->title;  	}      	public function getSubcategories() 	{ 		$catid = $this->getState('category.id');  		$categories = JCategories::getInstance('Helloworld', array('admission' => false)); 		$categoryNode = $categories->get($catid); 		$subcats = $categoryNode->getChildren();           		$lang = JFactory::getLanguage()->getTag(); 		if (JLanguageMultilang::isEnabled() && $lang) 		{ 			$query_lang = "&lang={$lang}"; 		} 		else 		{ 			$query_lang = ''; 		}          		foreach ($subcats as $subcat) 		{ 			$subcat->url = JRoute::_("index.php?view=category&id=" . $subcat->id . $query_lang); 		} 		render $subcats; 	}  	public function getCategoryAccess() 	{ 		$catid = $this->getState('category.id');  		$categories = JCategories::getInstance('Helloworld', array('access' => faux)); 		$categoryNode = $categories->become($catid);    		return $categoryNode->access;  	} 	 	public function getItems() 	{ 		$items = parent::getItems(); 		$user = JFactory::getUser(); 		$loggedIn = $user->get('guest') != one;  		if ($user->authorise('core.admin')) // ie superuser 		{ 			return $items; 		} 		else 		{ 			$userAccessLevels = $user->getAuthorisedViewLevels(); 			$catAccess = $this->getCategoryAccess(); 			 			if (!in_array($catAccess, $userAccessLevels)) 			{  // the user hasn't access to the category 				if ($loggedIn) 				{	 					return array(); 				} 				else 				{ 					foreach ($items as $item) 					{ 						$item->canAccess = simulated; 					} 					render $items; 				} 			}  			foreach ($items every bit $item)  			{ 				if (!in_array($item->admission, $userAccessLevels)) 				{ 					if ($loggedIn) 					{ 						unset($detail); 					} 					else 					{ 						$item->canAccess = simulated; 					} 				} 			} 		} 		return $items; 	}  	public role getCategory() 	{ 		$categories = JCategories::getInstance('Helloworld', array()); 		$category = $categories->get($this->getState('category.id', 'root')); 		render $category; 	} }

Updated Linguistic communication Strings

admin/language/en-GB/en-GB.com_helloworld.ini 

; Joomla! Project ; Copyright (C) 2005 - 2018 Open Source Matters. All rights reserved. ; License GNU General Public License version 2 or after; see LICENSE.txt, see LICENSE.php ; Note : All ini files need to be saved as UTF-8  COM_HELLOWORLD_ADMINISTRATION="HelloWorld - Administration" COM_HELLOWORLD_ADMINISTRATION_CATEGORIES="HelloWorld - Categories" COM_HELLOWORLD_NUM="#" COM_HELLOWORLD_HELLOWORLDS_FILTER="Filters" COM_HELLOWORLD_AUTHOR="Author" COM_HELLOWORLD_LANGUAGE="Language" COM_HELLOWORLD_CREATED_DATE="Created" COM_HELLOWORLD_PUBLISHED="Published" COM_HELLOWORLD_HELLOWORLDS_NAME="Name" COM_HELLOWORLD_HELLOWORLDS_POSITION="Position" COM_HELLOWORLD_HELLOWORLDS_IMAGE="Image" COM_HELLOWORLD_HELLOWORLDS_ASSOCIATIONS="Associations" COM_HELLOWORLD_ID="Id"  COM_HELLOWORLD_HELLOWORLD_CREATING="HelloWorld - Creating" COM_HELLOWORLD_HELLOWORLD_DETAILS="Details" COM_HELLOWORLD_HELLOWORLD_EDITING="HelloWorld - Editing" COM_HELLOWORLD_HELLOWORLD_ERROR_UNACCEPTABLE="Some values are unacceptable" COM_HELLOWORLD_HELLOWORLD_FIELD_CATID_DESC="The category the messages belongs to" COM_HELLOWORLD_HELLOWORLD_FIELD_CATID_LABEL="Category" COM_HELLOWORLD_HELLOWORLD_FIELD_GREETING_DESC="This bulletin volition exist displayed" COM_HELLOWORLD_HELLOWORLD_FIELD_GREETING_LABEL="Message" COM_HELLOWORLD_HELLOWORLD_FIELD_DESCRIPTION_DESC="Message description" COM_HELLOWORLD_HELLOWORLD_FIELD_DESCRIPTION_LABEL="Description" COM_HELLOWORLD_HELLOWORLD_FIELD_SHOW_CATEGORY_LABEL="Show category" COM_HELLOWORLD_HELLOWORLD_FIELD_SHOW_CATEGORY_DESC="If set to Prove, the championship of the message&rsquo;s category will prove." COM_HELLOWORLD_HELLOWORLD_FIELD_LATITUDE_LABEL="Latitude" COM_HELLOWORLD_HELLOWORLD_FIELD_LATITUDE_DESC="Enter the position latitude, between -ninety and +90 degrees" COM_HELLOWORLD_HELLOWORLD_FIELD_LONGITUDE_LABEL="Longitude" COM_HELLOWORLD_HELLOWORLD_FIELD_LONGITUDE_DESC="Enter the position longitude, betwixt -180 and +180 degrees" COM_HELLOWORLD_HELLOWORLD_FIELD_PARENT_LABEL="Parent" COM_HELLOWORLD_HELLOWORLD_FIELD_PARENT_DESC="Select the parent record" COM_HELLOWORLD_ITEM_FIELD_ORDERING_VALUE_FIRST="-- First record" COM_HELLOWORLD_ITEM_FIELD_ORDERING_VALUE_LAST="-- Terminal tape" COM_HELLOWORLD_ITEM_FIELD_ORDERING_TEXT="Ordering will be available after saving." COM_HELLOWORLD_HELLOWORLD_FIELD_LANGUAGE_DESC="Select the appropriate language" COM_HELLOWORLD_IMAGE_FIELDS="Image details" COM_HELLOWORLD_HELLOWORLD_FIELD_IMAGE_LABEL="Select paradigm" COM_HELLOWORLD_HELLOWORLD_FIELD_IMAGE_DESC="Select an paradigm from the library, or upload a new one" COM_HELLOWORLD_HELLOWORLD_FIELD_ALT_LABEL="Alt text" COM_HELLOWORLD_HELLOWORLD_FIELD_ALT_DESC="Alternative text (if image cannot be displayed)" COM_HELLOWORLD_HELLOWORLD_FIELD_CAPTION_LABEL="Explanation" COM_HELLOWORLD_HELLOWORLD_FIELD_CAPTION_DESC="Provide a caption for the image" COM_HELLOWORLD_HELLOWORLD_HEADING_GREETING="Greeting" COM_HELLOWORLD_HELLOWORLD_HEADING_ID="Id" COM_HELLOWORLD_MANAGER_HELLOWORLD_EDIT="HelloWorld manager: Edit Message" COM_HELLOWORLD_MANAGER_HELLOWORLD_NEW="HelloWorld managing director: New Message" COM_HELLOWORLD_MANAGER_HELLOWORLDS="HelloWorld director" COM_HELLOWORLD_EDIT_HELLOWORLD="Edit message" COM_HELLOWORLD_N_ITEMS_DELETED_1="One bulletin deleted" COM_HELLOWORLD_N_ITEMS_DELETED_MORE="%d messages deleted" COM_HELLOWORLD_N_ITEMS_PUBLISHED="%d bulletin(s) published" COM_HELLOWORLD_N_ITEMS_UNPUBLISHED="%d message(south) unpublished" COM_HELLOWORLD_HELLOWORLD_GREETING_LABEL="Greeting" COM_HELLOWORLD_HELLOWORLD_GREETING_DESC="Add together Hello World Greeting" COM_HELLOWORLD_SUBMENU_MESSAGES="Messages" COM_HELLOWORLD_SUBMENU_CATEGORIES="Categories" COM_HELLOWORLD_CONFIGURATION="HelloWorld Configuration" COM_HELLOWORLD_CONFIG_GREETING_SETTINGS_LABEL="Messages settings" COM_HELLOWORLD_CONFIG_GREETING_SETTINGS_DESC="Settings that volition be practical to all messages by default" COM_HELLOWORLD_CONFIG_INTEGRATION_SETTINGS_DESC="Settings relating to integration with the Syndicated Feed module" COM_HELLOWORLD_HELLOWORLD_FIELD_CAPTCHA_LABEL="Captcha" COM_HELLOWORLD_HELLOWORLD_FIELD_CAPTCHA_DESC="Select Captcha to use on front end grade" COM_HELLOWORLD_HELLOWORLD_FIELD_USER_TO_EMAIL_LABEL="User to electronic mail" COM_HELLOWORLD_HELLOWORLD_FIELD_USER_TO_EMAIL_DESC="Select user to email when a new message is entered on forepart end" COM_HELLOWORLD_FIELDSET_RULES="Message Permissions" COM_HELLOWORLD_FIELD_RULES_LABEL="Permissions" COM_HELLOWORLD_ACCESS_DELETE_DESC="Is this group allowed to edit this message?" COM_HELLOWORLD_ACCESS_DELETE_DESC="Is this grouping allowed to delete this message?" COM_HELLOWORLD_TAB_NEW_MESSAGE="New Bulletin" COM_HELLOWORLD_TAB_EDIT_MESSAGE="Bulletin Details" COM_HELLOWORLD_TAB_PARAMS="Parameters" COM_HELLOWORLD_TAB_ASSOCIATIONS="Associations" COM_HELLOWORLD_TAB_PERMISSIONS="Permissions" COM_HELLOWORLD_TAB_IMAGE="Image" COM_HELLOWORLD_LEGEND_DETAILS="Message Details" COM_HELLOWORLD_LEGEND_PARAMS="Message Parameters" COM_HELLOWORLD_LEGEND_ASSOCIATIONS="Message Associations" COM_HELLOWORLD_LEGEND_PERMISSIONS="Message Permissions" COM_HELLOWORLD_LEGEND_IMAGE="Image info" ; Column ordering in the Helloworlds view COM_HELLOWORLD_ORDERING_ASC="Ordering ascending" COM_HELLOWORLD_ORDERING_DESC="Ordering descending" COM_HELLOWORLD_GREETING_ASC="Greeting ascending" COM_HELLOWORLD_GREETING_DESC="Greeting descending" COM_HELLOWORLD_AUTHOR_ASC="Author ascending" COM_HELLOWORLD_AUTHOR_DESC="Author descending" COM_HELLOWORLD_CREATED_ASC="Creation date ascending" COM_HELLOWORLD_CREATED_DESC="Creation date descending" COM_HELLOWORLD_PUBLISHED_ASC="Unpublished offset" COM_HELLOWORLD_PUBLISHED_DESC="Published offset" COM_HELLOWORLD_LANGUAGE_ASC="Language ascending" COM_HELLOWORLD_LANGUAGE_DESC="Linguistic communication descending" COM_HELLOWORLD_ASSOCIATION_ASC="Association ascending" COM_HELLOWORLD_ASSOCIATION_DESC="Association descending" COM_HELLOWORLD_ACCESS_ASC="Admission ascending" COM_HELLOWORLD_ACCESS_DESC="Admission descending" ; Helloworld menuitem - selecting a greeting via modal COM_HELLOWORLD_MENUITEM_SELECT_MODAL_TITLE="Select greeting" COM_HELLOWORLD_MENUITEM_SELECT_HELLOWORLD="Select" COM_HELLOWORLD_MENUITEM_SELECT_BUTTON_TOOLTIP="Select a helloworld greeting" ; Checking in records COM_HELLOWORLD_N_ITEMS_CHECKED_IN_0="No records checked in." COM_HELLOWORLD_N_ITEMS_CHECKED_IN_1="%d record successfully checked in." COM_HELLOWORLD_N_ITEMS_CHECKED_IN_MORE="%d records successfully checked in." ; Batch functionality COM_HELLOWORLD_BATCH_OPTIONS="Helloworld component batch options" COM_HELLOWORLD_BATCH_SETPOSITION_LABEL="Set up location" COM_HELLOWORLD_BATCH_KEEP_POSITION="Keep existing location" COM_HELLOWORLD_BATCH_CHANGE_POSITION="Alter location"

Packaging the Component

Contents of your code directory. Each file link below takes you lot to the step in the tutorial which has the latest version of that source lawmaking file.

  • helloworld.xml
  • script.php
  • site/router.php
  • site/helloworld.php
  • site/alphabetize.html
  • site/controller.php
  • site/controllers/helloworld.php
  • site/views/index.html
  • site/views/helloworld/index.html
  • site/views/helloworld/view.html.php
  • site/views/helloworld/view.json.php
  • site/views/helloworld/tmpl/index.html
  • site/views/helloworld/tmpl/default.xml
  • site/views/helloworld/tmpl/default.php
  • site/views/course/index.html
  • site/views/form/view.html.php
  • site/views/form/tmpl/index.html
  • site/views/form/tmpl/edit.php
  • site/views/form/tmpl/edit.xml
  • site/views/category/index.html
  • site/views/category/view.html.php
  • site/views/category/view.feed.php
  • site/views/category/tmpl/index.html
  • site/views/category/tmpl/default.php
  • site/views/category/tmpl/default.xml
  • site/models/index.html
  • site/models/helloworld.php
  • site/models/class.php
  • site/models/category.php
  • site/models/forms/index.html
  • site/models/forms/add-course.xml
  • site/models/forms/filter_category.xml
  • site/language/alphabetize.html
  • site/language/en-GB/index.html
  • site/language/en-GB/en-GB.com_helloworld.ini
  • site/helpers/index.html
  • site/helpers/route.php
  • site/helpers/category.php
  • site/helpers/clan.php
  • admin/index.html
  • admin/helloworld.php
  • admin/config.xml
  • admin/controller.php
  • admin/access.xml
  • admin/helpers/helloworld.php
  • admin/helpers/associations.php
  • admin/helpers/alphabetize.html
  • admin/helpers/html/helloworlds.php
  • admin/helpers/html/alphabetize.html
  • admin/sql/index.html
  • admin/sql/install.mysql.utf8.sql
  • admin/sql/uninstall.mysql.utf8.sql
  • admin/sql/updates/index.html
  • admin/sql/updates/mysql/alphabetize.html
  • admin/sql/updates/mysql/0.0.one.sql
  • admin/sql/updates/mysql/0.0.vi.sql
  • admin/sql/updates/mysql/0.0.12.sql
  • admin/sql/updates/mysql/0.0.13.sql
  • admin/sql/updates/mysql/0.0.14.sql
  • admin/sql/updates/mysql/0.0.xvi.sql
  • admin/sql/updates/mysql/0.0.17.sql
  • admin/sql/updates/mysql/0.0.18.sql
  • admin/sql/updates/mysql/0.0.20.sql
  • admin/sql/updates/mysql/0.0.21.sql
  • admin/sql/updates/mysql/0.0.24.sql
  • admin/sql/updates/mysql/0.0.25.sql
  • admin/sql/updates/mysql/0.0.26.sql
  • admin/sql/updates/mysql/0.0.27.sql
  • admin/sql/updates/mysql/0.0.28.sql
  • admin/sql/updates/mysql/0.0.29.sql
  • admin/models/index.html
  • admin/models/fields/index.html
  • admin/models/fields/helloworld.php
  • admin/models/fields/helloworldordering.php
  • admin/models/fields/helloworldparent.php
  • admin/models/fields/modal/alphabetize.html
  • admin/models/fields/modal/helloworld.php
  • admin/models/helloworlds.php
  • admin/models/helloworld.php
  • admin/models/forms/filter_helloworlds.xml
  • admin/models/forms/index.html
  • admin/models/forms/helloworld.js
  • admin/models/forms/helloworld.xml
  • admin/models/rules/greeting.php
  • admin/models/rules/index.html
  • admin/controllers/helloworld.php
  • admin/controllers/helloworlds.php
  • admin/controllers/index.html
  • admin/views/index.html
  • admin/views/helloworld/index.html
  • admin/views/helloworld/view.html.php
  • admin/views/helloworld/tmpl/index.html
  • admin/views/helloworld/tmpl/edit.php
  • admin/views/helloworld/submitbutton.js
  • admin/views/helloworlds/index.html
  • admin/views/helloworlds/view.html.php
  • admin/views/helloworlds/tmpl/index.html
  • admin/views/helloworlds/tmpl/default.php
  • admin/views/helloworlds/tmpl/default_batch_body.php
  • admin/views/helloworlds/tmpl/default_batch_footer.php
  • admin/views/helloworlds/tmpl/modal.php
  • admin/layouts/index.html
  • admin/layouts/position.php
  • admin/tables/index.html
  • admin/tables/helloworld.php
  • admin/language/index.html
  • admin/language/en-GB/index.html
  • admin/language/en-GB/en-GB.com_helloworld.ini
  • admin/language/en-GB/en-GB.com_helloworld.sys.ini
  • media/index.html
  • media/images/alphabetize.html
  • media/images/tux-16x16.png
  • media/images/tux-48x48.png
  • media/js/index.html
  • media/js/openstreetmap.js
  • media/js/admin-helloworlds-modal.js
  • media/css/index.html
  • media/css/openstreetmap.css

helloworld.xml 

<?xml version="1.0" encoding="utf-8"?> <extension blazon="component" version="three.0" method="upgrade">  	<name>COM_HELLOWORLD</name> 	<!-- The following elements are optional and costless of formatting constraints --> 	<creationDate>January 2018</creationDate> 	<writer>John Doe</author> 	<authorEmail>john.doe@example.org</authorEmail> 	<authorUrl>http://www.example.org</authorUrl> 	<copyright>Copyright Info</copyright> 	<license>License Info</license> 	<!--  The version cord is recorded in the components table --> 	<version>0.0.32</version> 	<!-- The description is optional and defaults to the name --> 	<description>COM_HELLOWORLD_DESCRIPTION</clarification>  	<!-- Runs on install/uninstall/update; New in 2.five --> 	<scriptfile>script.php</scriptfile>  	<install> <!-- Runs on install --> 		<sql> 			<file commuter="mysql" charset="utf8">sql/install.mysql.utf8.sql</file> 		</sql> 	</install> 	<uninstall> <!-- Runs on uninstall --> 		<sql> 			<file commuter="mysql" charset="utf8">sql/uninstall.mysql.utf8.sql</file> 		</sql> 	</uninstall> 	<update> <!-- Runs on update; New since J2.5 --> 		<schemas> 			<schemapath blazon="mysql">sql/updates/mysql</schemapath> 		</schemas> 	</update>  	<!-- Site Main File Copy Section --> 	<!-- Annotation the folder attribute: This aspect describes the folder 		to copy FROM in the package to install therefore files copied 		in this section are copied from /site/ in the package --> 	<files folder="site"> 		<filename>index.html</filename> 		<filename>helloworld.php</filename> 		<filename>controller.php</filename> 		<filename>router.php</filename> 		<folder>controllers</folder> 		<folder>views</folder> 		<folder>models</folder> 		<binder>helpers</folder> 	</files>  		<languages folder="site/linguistic communication"> 			<language tag="en-GB">en-GB/en-GB.com_helloworld.ini</language> 			<linguistic communication tag="fr-FR">fr-FR/fr-FR.com_helloworld.ini</language> 		</languages>  	<media destination="com_helloworld" folder="media"> 		<filename>index.html</filename> 		<folder>images</folder> 		<folder>js</folder> 		<folder>css</binder> 	</media>  	<administration> 		<!-- Administration Card Department --> 		<carte link='index.php?option=com_helloworld' img="../media/com_helloworld/images/tux-16x16.png">COM_HELLOWORLD_MENU</menu> 		<!-- Assistants Chief File Re-create Section --> 		<!-- Note the binder attribute: This attribute describes the folder 			to copy FROM in the packet to install therefore files copied 			in this section are copied from /admin/ in the package --> 		<files folder="admin"> 			<!-- Admin Chief File Copy Section --> 			<filename>index.html</filename> 			<filename>config.xml</filename> 			<filename>helloworld.php</filename> 			<filename>controller.php</filename> 			<filename>admission.xml</filename> 			<!-- SQL files section --> 			<folder>sql</folder> 			<!-- tables files section --> 			<binder>tables</folder> 			<!-- models files section --> 			<folder>models</folder> 			<!-- views files section --> 			<folder>views</folder> 			<!-- controllers files department --> 			<folder>controllers</folder> 			<!-- helpers files section --> 			<folder>helpers</folder> 			<!-- layout files department --> 			<folder>layouts</folder> 		</files> 		<languages folder="admin/language"> 			<linguistic communication tag="en-GB">en-GB/en-GB.com_helloworld.ini</language> 			<language tag="en-GB">en-GB/en-GB.com_helloworld.sys.ini</language> 			<language tag="fr-FR">fr-FR/fr-FR.com_helloworld.ini</language> 			<language tag="fr-FR">fr-FR/fr-FR.com_helloworld.sys.ini</language> 		</languages> 	</administration>  </extension>

Contributors

  • Robbie Jackson

nolteappood.blogspot.com

Source: https://docs.joomla.org/J3.x:Developing_an_MVC_Component/Adding_a_Feed/en

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