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literature.php
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literature.php
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<?php
/**
* Literaturübersicht von Stud.IP
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* @author Arne Schröder <schroeder@data-quest.de>
* @author André Noack <noack@data-quest.de>
* @author Jan Kulmann <jankul@tzi.de>
* @author Rasmus Fuhse <fuhse@data-quest.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @since 3.1
*/
require_once 'lib/msg.inc.php';
class LiteratureController extends AuthenticatedController
{
/**
* Before filter, set up the page by initializing the session and checking
* all conditions.
*
* @param String $action Name of the action to be invoked
* @param Array $args Arguments to be passed to the action method
*/
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
if (!Config::Get()->LITERATURE_ENABLE ) {
throw new AccessDeniedException(_('Die Literaturverwaltung ist nicht aktiviert.'));
}
$this->attributes['textarea'] = array('style' => 'width:98%','rows'=>2);
$this->attributes['select'] = array();
$this->attributes['date'] = array();
$this->attributes['combo'] = array('style' => 'width:45%; display: inline;');
$this->attributes['lit_select'] = array('style' => 'font-size:8pt;width:100%');
// on AJAX request set no page layout.
if (Request::isXhr()) {
$this->via_ajax = true;
$this->set_layout(null);
$request = Request::getInstance();
foreach ($request as $key => $value) {
$request[$key] = studip_utf8decode($value);
}
}
$this->set_content_type('text/html;charset=windows-1252');
/* checkObject(); // do we have an open object?
checkObjectModule('literature');
object_set_visit_module('literature');/**/
}
/**
* Displays a page for literature import.
*/
public function import_list_action()
{
$this->return_range = Request::option('return_range');
PageLayout::setTitle(_("Literatur importieren"));
$plugin = array();
if (Request::get('plugin_name')) {
foreach ($GLOBALS['LIT_IMPORT_PLUGINS'] as $p) {
if ($p["name"] == Request::get('plugin_name')) {
$this->plugin = $p;
break;
}
}
}
}
/**
* Displays a page for literature list administration.
*/
public function edit_list_action()
{
global $_msg;
if (Request::option('_range_id') == "self"){
$this->_range_id = $GLOBALS['user']->id;
} else if (Request::option('_range_id')){
$this->_range_id = Request::option('_range_id');
} else if (Request::get('admin_inst_id')) {
$this->view = 'lit_inst';
$this->_range_id = Request::option('admin_inst_id');
} else {
$this->_range_id = $_SESSION['_lit_range'];
}
if (!$this->_range_id) {
$this->_range_id = $GLOBALS['user']->id;
}
$_SESSION['_lit_range'] = $this->_range_id;
require_once ("lib/classes/lit_import_plugins/StudipLitImportPluginAbstract.class.php");
PageLayout::setHelpKeyword("Basis.LiteraturListen");
PageLayout::setTitle(_("Verwaltung von Literaturlisten"));
if (Request::option('list') || Request::option('view') || Request::option('view_mode') || $this->_range_id != $GLOBALS['user']->id){
Navigation::activateItem('/course/literature/edit');
$this->_range_id = ($_SESSION['SessSemName'][1]) ? $_SESSION['SessSemName'][1] : $this->_range_id;
} else {
Navigation::activateItem('/tools/literature/edit_list');
closeObject();
}
$_the_treeview = new StudipLitListViewAdmin($this->_range_id);
$_the_tree =& $_the_treeview->tree;
//Literaturlisten-Import
$cmd = Request::option('cmd');
$xmlfile = $_FILES['xmlfile']['tmp_name'];
$xmlfile_name = $_FILES['xmlfile']['name'];
$xmlfile_size = $_FILES['xmlfile']['size'];
$this->plugin_name = Request::option('plugin_name');
if ($cmd=="import_lit_list" && $xmlfile) {
StudipLitImportPluginAbstract::use_lit_import_plugins($xmlfile, $xmlfile_size, $xmlfile_name, $this->plugin_name, $this->_range_id);
}
$this->msg = $_msg;
PageLayout::setTitle($_the_tree->root_name . " - " . PageLayout::getTitle());
//checking rights
if (($_the_tree->range_type == "sem" && !$GLOBALS['perm']->have_studip_perm("tutor", $this->_range_id)) ||
(($_the_tree->range_type == "inst" || $_the_tree->range_type == "fak") && !$GLOBALS['perm']->have_studip_perm("autor", $this->_range_id))){
throw new AccessDeniedException(_('Keine Berechtigung für diese Literaturliste.'));
}
$_the_treeview->parseCommand();
//always show existing lists
$_the_treeview->open_ranges['root'] = true;
//if there are no lists always open root element
if (!$_the_tree->hasKids('root')){
$_the_treeview->open_items['root'] = true;
}
$_the_clipboard = StudipLitClipBoard::GetInstance();
$_the_clip_form =& $_the_clipboard->getFormObject();
if ($_the_clip_form->isClicked("clip_ok")){
$clip_cmd = explode("_",$_the_clip_form->getFormFieldValue("clip_cmd"));
if ($clip_cmd[0] == "ins"){
if (is_array($_the_clip_form->getFormFieldValue("clip_content"))){
$inserted = $_the_tree->insertElementBulk($_the_clip_form->getFormFieldValue("clip_content"), $clip_cmd[1]);
if ($inserted){
$_the_tree->init();
$_the_treeview->open_ranges[$clip_cmd[1]] = true;
PageLayout::postMessage(MessageBox::success(sprintf(_("%s Einträge aus Ihrer Merkliste wurden in <b>%s</b> eingetragen."),
$inserted, htmlReady($_the_tree->tree_data[$clip_cmd[1]]['name']))));
}
} else {
PageLayout::postMessage(MessageBox::info(_("Sie haben keinen Eintrag in Ihrer Merkliste ausgewählt!")));
}
}
$_the_clipboard->doClipCmd();
}
if ( ($this->lists = $_the_tree->getListIds()) && $_the_clipboard->getNumElements()){
for ($i = 0; $i < count($this->lists); ++$i){
$_the_clip_form->form_fields['clip_cmd']['options'][]
= array('name' => my_substr(sprintf(_("In \"%s\" eintragen"), $_the_tree->tree_data[$this->lists[$i]]['name']),0,50),
'value' => 'ins_' . $this->lists[$i]);
}
}
$this->msg .= $_the_clipboard->msg;
if (is_array($_the_treeview->msg)){
foreach ($_the_treeview->msg as $t_msg){
if (!$this->msg || ($this->msg && (strpos($t_msg, $this->msg) === false))){
$this->msg .= $t_msg . "§";
}
}
}
$this->lists = $_the_tree->getKids('root');
if ($this->lists) {
$this->list_count['visible'] = 0;
$this->list_count['visible_entries'] = 0;
$this->list_count['invisible'] = 0;
$this->list_count['invisible_entries'] = 0;
for ($i = 0; $i < count($this->lists); ++$i){
if ($_the_tree->tree_data[$this->lists[$i]]['visibility']){
++$this->list_count['visible'];
$this->list_count['visible_entries'] += $_the_tree->getNumKids($this->lists[$i]);
} else {
++$this->list_count['invisible'];
$this->list_count['invisible_entries'] += $_the_tree->getNumKids($this->lists[$i]);
}
}
}
$this->treeview = $_the_treeview;
$this->tree = $_the_tree;
$this->clipboard = $_the_clipboard;
$this->clip_form = $_the_clip_form;
}
/**
* Displays print view of literature list
*/
public function print_view_action()
{
PageLayout::removeStylesheet('style.css');
PageLayout::addStylesheet('print.css'); // use special stylesheet for printing
$_range_id = Request::option('_range_id');
if ($_range_id != $GLOBALS['user']->id && !$GLOBALS['perm']->have_studip_perm('user',$_range_id)){
throw new AccessDeniedException();
}
$_the_tree = TreeAbstract::GetInstance("StudipLitList", $_range_id);
$this->title = sprintf(_("Literatur %s"), $_the_tree->root_name);
$this->list = StudipLitList::GetFormattedListsByRange($_range_id, false, false);
}
/**
* Displays page for literature search
*/
public function search_action()
{
$GLOBALS['perm']->check("autor");
PageLayout::setHelpKeyword("Basis.Literatursuche");
PageLayout::setTitle(_("Literatursuche"));
if (Request::option('return_range') == "self"){
$this->return_range = $GLOBALS['user']->id;
} else if (Request::option('return_range')){
$this->return_range = Request::option('return_range');
} else {
$this->return_range = $_SESSION['_lit_range'];
}
if (!$this->return_range) {
$this->return_range = $GLOBALS['user']->id;
}
$_SESSION['_lit_range'] = $this->return_range;
if ($this->return_range != $GLOBALS['user']->id) {
Navigation::activateItem('/course/literature/search');
$this->return_range = ($_SESSION['SessSemName'][1]) ? $_SESSION['SessSemName'][1] : $this->return_range;
} else {
Navigation::activateItem('/tools/literature/search');
closeObject();
}
$_the_search = new StudipLitSearch();
$_the_clipboard = StudipLitClipBoard::GetInstance();
$_the_clip_form = $_the_clipboard->getFormObject();
if (Request::quoted('change_start_result')){
$_the_search->start_result = Request::quoted('change_start_result');
}
if ($_the_clip_form->isClicked("clip_ok")){
$_the_clipboard->doClipCmd();
}
if ($_the_search->outer_form->isClicked("search")
|| ($_the_search->outer_form->isSended()
&& !$_the_search->outer_form->isClicked("reset")
&& !$_the_search->outer_form->isClicked("change")
&& !$_the_search->outer_form->isClicked("search_add")
&& !$_the_search->outer_form->isClicked("search_sub")
&& !$_the_search->outer_form->isChanged("search_plugin") //scheiss IE
)) {
$hits = $_the_search->doSearch();
if(!$_the_search->search_plugin->getNumError()) {
if($_the_search->getNumHits() == 0) {
$_msg = sprintf(_("Ihre Suche ergab %s Treffer."), $_the_search->getNumHits());
} else {
$_msg = sprintf(_("Ihre Suche ergab %s Treffer."), $_the_search->getNumHits());
}
PageLayout::postMessage(MessageBox::info($_msg));
}
$_the_search->start_result = 1;
}
if (Request::option('cmd') == "add_to_clipboard"){
$catalog_id = Request::option('catalog_id');
if ($catalog_id{0} == "_"){
$parts = explode("__", $catalog_id);
if ( ($fields = $_SESSION[$parts[0]][$parts[1]]) ){
$cat_element = new StudipLitCatElement();
$cat_element->setValues($fields);
$cat_element->setValue("catalog_id", "new_entry");
$cat_element->setValue("user_id", "studip");
if ( ($existing_element = $cat_element->checkElement()) ){
$cat_element->setValue('catalog_id', $existing_element);
}
$cat_element->insertData();
$catalog_id = $cat_element->getValue("catalog_id");
$_SESSION[$parts[0]][$parts[1]]['catalog_id'] = $catalog_id;
unset($cat_element);
}
}
$_the_clipboard->insertElement($catalog_id);
}
$_msg .= $_the_search->search_plugin->getError("msg");
$this->msg = $_msg;
$this->search = $_the_search;
$this->clipboard = $_the_clipboard;
$this->clip_form = $_the_clip_form;
}
/**
* Displays page to add new or edit existing literature element
*/
public function edit_element_action()
{
if (Request::option('reload'))
$this->reload = true;
if (Request::option('cmd') == "new_entry"){
$_catalog_id = "new_entry";
} else {
$_catalog_id = Request::option('_catalog_id', "new_entry");
}
if (Request::option('return_range')){
$this->return_range = Request::option('return_range');
URLHelper::addLinkParam('return_range', $this->return_range);
}
if ($_catalog_id == "new_entry"){
$title = _("Literatureintrag anlegen");
} else {
$title = _("Literatureintrag bearbeiten");
}
PageLayout::setTitle($title);
Navigation::activateItem('/tools/literature');
//dump data into db if $_catalog_id points to a search result
if ($_catalog_id{0} == "_"){
$parts = explode("__", $_catalog_id);
if ( ($fields = $_SESSION[$parts[0]][$parts[1]]) ){
$cat_element = new StudipLitCatElement();
$cat_element->setValues($fields);
$cat_element->setValue("catalog_id", "new_entry");
$cat_element->setValue("user_id", "studip");
if ( ($existing_element = $cat_element->checkElement()) ){
$cat_element->setValue('catalog_id', $existing_element);
}
$cat_element->insertData();
$_catalog_id = $cat_element->getValue("catalog_id");
$_SESSION[$parts[0]][$parts[1]]['catalog_id'] = $_catalog_id;
unset($cat_element);
}
}
if (Request::option('cmd') == 'clone_entry'){
$_the_element = StudipLitCatElement::GetClonedElement($_catalog_id);
if ($_the_element->isNewEntry()){
$_msg = "msg§" . _("Der Eintrag wurde kopiert, Sie können die Daten jetzt ändern.") . "§";
$_msg .= "info§" . _("Der kopierte Eintrag wurde noch nicht gespeichert.") . "§";
//$old_cat_id = $_catalog_id;
$_catalog_id = $_the_element->getValue('catalog_id');
} else {
$_msg = "error§" . _("Der Eintrag konnte nicht kopiert werden!.") . "§";
}
}
if(!is_object($_the_element)){
$_the_element = new StudipLitCatElement($_catalog_id, true);
}
$_the_form = $_the_element->getFormObject();
$_the_clipboard = StudipLitClipBoard::GetInstance();
$_the_clip_form = $_the_clipboard->getFormObject();
if (isset($old_cat_id) && $_the_clipboard->isInClipboard($old_cat_id)){
$_the_clipboard->deleteElement($old_cat_id);
$_the_clipboard->insertElement($_catalog_id);
}
$_the_clip_form->form_fields['clip_cmd']['options'][] = array('name' => _("In Merkliste eintragen"), 'value' => 'ins');
$_the_clip_form->form_fields['clip_cmd']['options'][] = array('name' => _("Markierten Eintrag bearbeiten"), 'value' => 'edit');
if ($_the_form->IsClicked("reset") || Request::option('cmd') == "new_entry"){
$_the_form->doFormReset();
}
if ($_the_form->IsClicked("delete") && $_catalog_id != "new_entry" && $_the_element->isChangeable()){
if ($_the_element->reference_count){
$_msg = "info§" . sprintf(_("Sie können diesen Eintrag nicht löschen, da er noch in %s Literaturlisten referenziert wird."),$_the_element->reference_count) ."§";
} else {
$_msg = "info§" . _("Wollen Sie diesen Eintrag wirklich löschen?") . "<br>"
.LinkButton::createAccept(_('Ja'), URLHelper::getURL('?cmd=delete_element&_catalog_id=' . $_catalog_id), array('title' => _('löschen')))
. " "
.LinkButton::createCancel(_('Abbrechen'), URLHelper::getURL('?_catalog_id=' . $_catalog_id), array('title' => _('abbrechen')))
. "§";
}
}
if (Request::option('cmd') == "delete_element" && $_the_element->isChangeable() && !$_the_element->reference_count){
$_the_element->deleteElement();
$this->reload = true;
}
if (Request::option('cmd') == "in_clipboard" && $_catalog_id != "new_entry"){
$_the_clipboard->insertElement($_catalog_id);
$this->reload = true;
}
if (Request::option('cmd') == "check_entry"){
$lit_plugin_value = $_the_element->getValue('lit_plugin');
$check_result = StudipLitSearch::CheckZ3950($_the_element->getValue('accession_number'));
$content = "<div style=\"font-size:70%\"<b>" ._("Verfügbarkeit in externen Katalogen:") . "</b><br>";
if (is_array($check_result)) {
foreach ($check_result as $plugin_name => $ret){
$content .= "<b> " . htmlReady(StudipLitSearch::GetPluginDisplayName($plugin_name))." </b>";
if ($ret['found']){
$content .= _("gefunden") . " ";
$_the_element->setValue('lit_plugin', $plugin_name);
if (($link = $_the_element->getValue("external_link"))){
$content.= formatReady(" [" . $_the_element->getValue("lit_plugin_display_name"). "]" . $link);
} else {
$content .= _("(Kein Link zum Katalog vorhanden.)");
}
} elseif (count($ret['error'])){
$content .= '<span style="color:red;">' . htmlReady($ret['error'][0]['msg']) . '</span>';
} else {
$content .= _("<u>nicht</u> gefunden") . " ";
}
$content .= "<br>";
}
}
$content .= "</div>";
$_the_element->setValue('lit_plugin', $lit_plugin_value);
$_msg = "info§" . $content . "§";
}
if ($_the_form->IsClicked("send")){
$_the_element->setValuesFromForm();
if ($_the_element->checkValues()){
$_the_element->insertData();
$this->reload = true;
}
}
if ($_the_clip_form->isClicked("clip_ok")){
if ($_the_clip_form->getFormFieldValue("clip_cmd") == "ins" && $_catalog_id != "new_entry"){
$_the_clipboard->insertElement($_catalog_id);
}
if ($_the_clip_form->getFormFieldValue("clip_cmd") == "edit"){
$marked = $_the_clip_form->getFormFieldValue("clip_content");
if (count($marked) && $marked[0]){
$_the_element->getElementData($marked[0]);
}
}
$_the_clipboard->doClipCmd();
}
$_catalog_id = $_the_element->getValue("catalog_id");
if (!$_the_element->isChangeable())
PageLayout::postMessage(MessageBox::info(_('Sie haben diesen Eintrag nicht selbst vorgenommen, und dürfen ihn daher nicht verändern! Wenn Sie mit diesem Eintrag arbeiten wollen, können Sie sich eine persönliche Kopie erstellen.')));
$_msg .= $_the_element->msg;
$_msg .= $_the_clipboard->msg;
$this->msg = $_msg;
$this->catalog_id = $_catalog_id;
$this->element = $_the_element;
$this->treeview = $_the_treeview;
$this->tree = $_the_tree;
$this->clipboard = $_the_clipboard;
$this->clip_form = $_the_clip_form;
$this->form = $_the_form;
}
}