API15:JInstallerTemplate/install

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Description

Custom install method

Syntax

install()

Returns

boolean True on success

Defined in

libraries/joomla/installer/adapters/template.php

Importing

jimport( 'joomla.installer.adapters.template' );

Source Body

function install()
{
        // Get database connector object
        $db =& $this->parent->getDBO();
        $manifest =& $this->parent->getManifest();
        $root =& $manifest->document;
 
        // Get the client application target
        if ($cname = $root->attributes('client')) {
                // Attempt to map the client to a base path
                jimport('joomla.application.helper');
                $client =& JApplicationHelper::getClientInfo($cname, true);
                if ($client === false) {
                        $this->parent->abort(JText::_('Template').' '.JText::_('Install').': '.JText::_('Unknown client type').' ['.$cname.']');
                        return false;
                }
                $basePath = $client->path;
                $clientId = $client->id;
        } else {
                // No client attribute was found so we assume the site as the client
                $cname = 'site';
                $basePath = JPATH_SITE;
                $clientId = 0;
        }
 
        // Set the extensions name
        $name =& $root->getElementByPath('name');
        $name = JFilterInput::clean($name->data(), 'cmd');
        $this->set('name', $name);
 
        // Set the template root path
        $this->parent->setPath('extension_root', $basePath.DS.'templates'.DS.strtolower(str_replace(" ", "_", $this->get('name'))));
 
        /*
         * If the template directory already exists, then we will assume that the template is already
         * installed or another template is using that directory.
         */
        if (file_exists($this->parent->getPath('extension_root')) && !$this->parent->getOverwrite()) {
                JError::raiseWarning(100, JText::_('Template').' '.JText::_('Install').': '.JText::_('Another template is already using directory').': "'.$this->parent->getPath('extension_root').'"');
                return false;
        }
 
        // If the template directory does not exist, lets create it
        $created = false;
        if (!file_exists($this->parent->getPath('extension_root'))) {
                if (!$created = JFolder::create($this->parent->getPath('extension_root'))) {
                        $this->parent->abort(JText::_('Template').' '.JText::_('Install').': '.JText::_('Failed to create directory').' "'.$this->parent->getPath('extension_root').'"');
                        return false;
                }
        }
 
        // If we created the template directory and will want to remove it if we have to roll back
        // the installation, lets add it to the installation step stack
        if ($created) {
                $this->parent->pushStep(array ('type' => 'folder', 'path' => $this->parent->getPath('extension_root')));
        }
 
        // Copy all the necessary files
        if ($this->parent->parseFiles($root->getElementByPath('files'), -1) === false) {
                // Install failed, rollback changes
                $this->parent->abort();
                return false;
        }
        if ($this->parent->parseFiles($root->getElementByPath('images'), -1) === false) {
                // Install failed, rollback changes
                $this->parent->abort();
                return false;
        }
        if ($this->parent->parseFiles($root->getElementByPath('css'), -1) === false) {
                // Install failed, rollback changes
                $this->parent->abort();
                return false;
        }
 
        // Parse optional tags
        $this->parent->parseFiles($root->getElementByPath('media'), $clientId);
        $this->parent->parseLanguages($root->getElementByPath('languages'));
        $this->parent->parseLanguages($root->getElementByPath('administration/languages'), 1);
 
        // Get the template description
        $description = & $root->getElementByPath('description');
        if (is_a($description, 'JSimpleXMLElement')) {
                $this->parent->set('message', $description->data());
        } else {
                $this->parent->set('message', '' );
        }
 
        // Lastly, we will copy the manifest file to its appropriate place.
        if (!$this->parent->copyManifest(-1)) {
                // Install failed, rollback changes
                $this->parent->abort(JText::_('Template').' '.JText::_('Install').': '.JText::_('Could not copy setup file'));
                return false;
        }
 
        // Load template language file
        $lang =& JFactory::getLanguage();
        $lang->load('tpl_'.$name);
 
        return true;
}

Examples

<CodeExamplesForm />