mirror of
https://git.code.sf.net/p/seeddms/code
synced 2024-10-04 23:22:24 +00:00
285 lines
8.1 KiB
PHP
285 lines
8.1 KiB
PHP
<?php
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/**
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* Implementation of view class
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*
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* @category DMS
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* @package SeedDMS
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* @license GPL 2
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* @version @version@
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* @author Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2002-2005 Markus Westphal,
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* 2006-2008 Malcolm Cowe, 2010 Matteo Lucarelli,
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* 2010-2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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require_once "inc.ClassHook.php";
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/**
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* Parent class for all view classes
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*
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* @category DMS
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* @package SeedDMS
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* @author Markus Westphal, Malcolm Cowe, Uwe Steinmann <uwe@steinmann.cx>
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* @copyright Copyright (C) 2002-2005 Markus Westphal,
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* 2006-2008 Malcolm Cowe, 2010 Matteo Lucarelli,
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* 2010-2012 Uwe Steinmann
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* @version Release: @package_version@
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*/
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class SeedDMS_View_Common {
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protected $theme;
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protected $params;
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protected $baseurl;
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protected $imgpath;
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public function __construct($params, $theme='bootstrap') {
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$this->theme = $theme;
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$this->params = $params;
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$this->baseurl = '';
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$this->imgpath = '../views/'.$theme.'/images/';
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}
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public function __invoke($get=array()) {
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$this->callHook('preRun', isset($get['action']) ? $get['action'] : 'show');
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if(isset($get['action']) && $get['action']) {
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if(method_exists($this, $get['action'])) {
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$this->{$get['action']}();
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} else {
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echo "Missing action '".htmlspecialchars($get['action'])."'";
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}
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} else
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$this->show();
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$this->callHook('postRun', isset($get['action']) ? $get['action'] : 'show');
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}
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public function setParams($params) {
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$this->params = $params;
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}
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public function setParam($name, $value) {
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$this->params[$name] = $value;
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}
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public function getParam($name) {
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if(isset($this->params[$name]))
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return $this->params[$name];
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return null;
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}
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public function unsetParam($name) {
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if(isset($this->params[$name]))
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unset($this->params[$name]);
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}
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public function setBaseUrl($baseurl) {
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$this->baseurl = $baseurl;
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}
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public function show() {
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}
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/**
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* Call a hook with a given name
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*
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* Checks if a hook with the given name and for the current view
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* exists and executes it. The name of the current view is taken
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* from the current class name by lower casing the first char.
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* This function will execute all registered hooks in the order
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* they were registered.
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*
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* Attention: as func_get_arg() cannot handle references passed to the hook,
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* callHook() should not be called if that is required. In that case get
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* a list of hook objects with getHookObjects() and call the hooks yourself.
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*
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* @params string $hook name of hook
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* @return string concatenated string, merged arrays or whatever the hook
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* function returns
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*/
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public function callHook($hook) { /* {{{ */
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$tmps = array();
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$tmp = explode('_', get_class($this));
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$tmps[] = $tmp[2];
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$tmp = explode('_', get_parent_class($this));
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$tmps[] = $tmp[2];
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/* Run array_unique() in case the parent class has the same suffix */
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$tmps = array_unique($tmps);
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$ret = null;
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foreach($tmps as $tmp)
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if(isset($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp)])) {
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foreach($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp)] as $hookObj) {
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if (method_exists($hookObj, $hook)) {
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switch(func_num_args()) {
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case 1:
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$tmpret = $hookObj->$hook($this);
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break;
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case 2:
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$tmpret = $hookObj->$hook($this, func_get_arg(1));
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break;
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case 3:
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$tmpret = $hookObj->$hook($this, func_get_arg(1), func_get_arg(2));
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break;
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case 4:
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$tmpret = $hookObj->$hook($this, func_get_arg(1), func_get_arg(2), func_get_arg(3));
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break;
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default:
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case 5:
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$tmpret = $hookObj->$hook($this, func_get_arg(1), func_get_arg(2), func_get_arg(3), func_get_arg(4));
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break;
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}
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if($tmpret !== null) {
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if(is_string($tmpret)) {
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$ret = ($ret === null) ? $tmpret : (is_string($ret) ? $ret.$tmpret : array_merge($ret, array($tmpret)));
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} elseif(is_array($tmpret) || is_object($tmpret)) {
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$ret = ($ret === null) ? $tmpret : (is_string($ret) ? array_merge(array($ret), $tmpret) : array_merge($ret, $tmpret));
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} else
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$ret = $tmpret;
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}
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}
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}
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}
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return $ret;
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} /* }}} */
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/**
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* Return all hook objects for the given or calling class
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*
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* <code>
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* <?php
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* $hookObjs = $this->getHookObjects();
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* foreach($hookObjs as $hookObj) {
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* if (method_exists($hookObj, $hook)) {
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* $ret = $hookObj->$hook($this, ...);
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* ...
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* }
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* }
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* ?>
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* </code>
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*
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* @params string $classname name of class (current class if left empty)
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* @return array list of hook objects registered for the class
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*/
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public function getHookObjects($classname='') { /* {{{ */
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if($classname)
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$tmp = explode('_', $classname);
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else
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$tmp = explode('_', get_class($this));
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if(isset($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp[2])])) {
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return $GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp[2])];
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}
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return array();
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} /* }}} */
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/**
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* Check if a hook is registered
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*
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* @param $hook string name of hook
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* @return mixed false if one of the hooks fails,
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* true if all hooks succedded,
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* null if no hook was called
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*/
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public function hasHook($hook) { /* {{{ */
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$tmps = array();
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$tmp = explode('_', get_class($this));
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$tmps[] = $tmp[2];
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$tmp = explode('_', get_parent_class($this));
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$tmps[] = $tmp[2];
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/* Run array_unique() in case the parent class has the same suffix */
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$tmps = array_unique($tmps);
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$ret = null;
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foreach($tmps as $tmp) {
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if(isset($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp)])) {
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foreach($GLOBALS['SEEDDMS_HOOKS']['view'][lcfirst($tmp)] as $hookObj) {
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if (method_exists($hookObj, $hook)) {
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return true;
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}
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}
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}
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}
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return false;
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} /* }}} */
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/**
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* Check if the access on the view with given name or the current view itself
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* may be accessed.
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*
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* The function requires the parameter 'accessobject' to be available in the
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* view, because it calls SeedDMS_AccessOperation::check_view_access()
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* to check access rights. If the the optional $name is not set the
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* current view is used.
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*
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* If $name is an array then just one of the passed objects in the array
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* must be accessible for this function to return true.
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*
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* @param string|array $name name of view or list of view names
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* @return boolean true if access is allowed otherwise false
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*/
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protected function check_access($name='') { /* {{{ */
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if(!$name)
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$name = $this;
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if(!isset($this->params['accessobject']))
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return false;
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$access = $this->params['accessobject']->check_view_access($name);
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return $access;
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if(isset($this->params['user']) && $this->params['user']->isAdmin()) {
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if($access === -1)
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return false;
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else
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return true;
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}
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return ($access === 1);
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} /* }}} */
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/**
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* Create an url to a view
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*
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* @param string $name name of view
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* @param array $urlparams list of url parameters
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* @return string $url
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*/
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protected function html_url($view='', $urlparams) { /* {{{ */
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$url = "../out/out.".$view.".php";
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if($urlparams)
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$url .= "?".http_build_query($urlparams);
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return $url;
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} /* }}} */
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/**
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* Create a html link to a view
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*
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* First checks if the view may be accessed by the user
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*
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* @param string $name name of view
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* @param array $urlparams list of url parameters
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* @param array $linkparams list of link attributes (e.g. class, target)
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* @param string $link the link text itself
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* @param boolean $hsc set to false if htmlspecialchars() shall not be called
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* @return string link
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*/
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protected function html_link($view='', $urlparams=array(), $linkparams=array(), $link, $hsc=true, $nocheck=false) { /* {{{ */
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if(!$nocheck)
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if(!$this->check_access($view))
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return '';
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$url = $this->html_url($view, $urlparams);
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$tag = "<a href=\"".$url."\"";
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if($linkparams)
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foreach($linkparams as $k=>$v)
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$tag .= " ".$k."=\"".$v."\"";
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$tag .= ">".($hsc ? htmlspecialchars($link) : $link)."</a>";
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return $tag;
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} /* }}} */
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public function jsTranslations($keys) { /* {{{ */
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echo "var trans = {\n";
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foreach($keys as $key) {
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echo " '".$key."': '".str_replace("'", "\\\'", getMLText($key))."',\n";
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}
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echo "};\n";
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} /* }}} */
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}
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?>
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