4require_once(
"./Services/Preview/classes/class.ilPreviewSettings.php");
5require_once(
"./Services/Preview/classes/class.ilPreview.php");
61 public function __construct($a_node_id =
null, $a_context = self::CONTEXT_REPOSITORY, $a_obj_id =
null, $a_access_handler =
null)
64 $ilCtrl =
$DIC[
'ilCtrl'];
66 $ilAccess =
$DIC[
'ilAccess'];
69 if (strtolower(
$_GET[
"baseClass"]) ==
"ilpreviewgui") {
70 $this->node_id = (int)
$_GET[
"node_id"];
71 $this->context = (int)
$_GET[
"context"];
72 $a_obj_id = (int)
$_GET[
'obj_id'];
74 $this->node_id = $a_node_id;
75 $this->context = $a_context;
79 $this->ctrl = $ilCtrl;
83 if ($a_access_handler ==
null) {
84 if ($this->context == self::CONTEXT_WORKSPACE) {
85 include_once(
"./Services/PersonalWorkspace/classes/class.ilWorkspaceAccessHandler.php");
88 $a_access_handler = $ilAccess;
91 $this->access_handler = $a_access_handler;
94 if ($a_obj_id ==
null) {
95 if ($this->context == self::CONTEXT_WORKSPACE) {
96 $a_obj_id = $this->access_handler->getTree()->lookupObjectId($this->node_id);
101 $this->obj_id = $a_obj_id;
104 $this->preview =
new ilPreview($this->obj_id);
107 if (!$ilCtrl->isAsynch()) {
118 $cmd = $this->ctrl->getCmd(
"getPreviewHTML");
119 $next_class = $this->ctrl->getNextClass($this);
121 switch ($next_class) {
123 return $this->$cmd();
135 $status = $this->preview->getRenderStatus();
141 return "il.Preview.toggle(event, { id: '{$this->node_id}', htmlId: '{$a_html_id}', url: '$link', status: '$status', loadingText: '$loading_text' });";
150 require_once(
'./Services/WebAccessChecker/classes/class.ilWACSignedPath.php');
152 $tmpl =
new ilTemplate(
"tpl.preview.html",
true,
true,
"Services/Preview");
153 $tmpl->setVariable(
"PREVIEW_ID", $this->
getHtmlId());
156 $preview_status = $this->preview->getRenderStatus();
159 if ($this->access_handler->checkAccess(
"read",
"", $this->node_id)) {
161 $images = $this->preview->getImages();
162 if (count($images) > 0) {
165 foreach ($images as $image) {
166 $tmpl->setCurrentBlock(
"preview_item");
168 $tmpl->setVariable(
"WIDTH", $image[
"width"]);
169 $tmpl->setVariable(
"HEIGHT", $image[
"height"]);
170 $tmpl->setVariable(
"ALT_TEXT", sprintf(
171 $this->lng->txt(
'preview_caption'),
175 $tmpl->parseCurrentBlock();
180 $tmpl->setCurrentBlock(
"no_preview");
181 switch ($preview_status) {
183 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"preview_status_pending"));
187 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"preview_status_failed"));
191 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"preview_status_missing"));
194 $tmpl->parseCurrentBlock();
198 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"no_access_item"));
202 if ($this->ctrl->isAsynch()) {
203 include_once(
"./Services/JSON/classes/class.ilJsonUtil.php");
210 header(
'Vary: Accept');
211 header(
'Content-type: text/plain');
227 $tmpl =
new ilTemplate(
"tpl.preview_inline.html",
true,
true,
"Services/Preview");
231 if ($this->access_handler->checkAccess(
"read",
"", $this->node_id)) {
236 "preview_status_creating",
242 if ($this->access_handler->checkAccess(
"write",
"", $this->node_id)) {
247 "preview_status_deleting",
263 private function renderCommand($tmpl, $a_cmd, $btn_topic, $loading_topic, $a_display_status)
266 $preview_status = $this->preview->getRenderStatus();
269 $link = $this->
buildUrl($a_cmd .
"Preview");
270 $script_args =
"event, { id: '{$this->node_id}', htmlId: '$preview_html_id', url: '$link', loadingText: '$loading_text' }";
273 if (!is_array($a_display_status) || !in_array($preview_status, $a_display_status)) {
274 $action_class =
"ilPreviewActionHidden";
277 $tmpl->setCurrentBlock(
"preview_action");
278 $tmpl->setVariable(
"CLICK_ACTION",
"il.Preview.$a_cmd($script_args);");
279 $tmpl->setVariable(
"ACTION_CLASS",
"$action_class");
280 $tmpl->setVariable(
"ACTION_ID",
"preview_{$a_cmd}_" . $preview_html_id);
281 $tmpl->setVariable(
"TXT_ACTION", $this->lng->txt($btn_topic));
282 $tmpl->parseCurrentBlock();
292 if ($this->access_handler->checkAccess(
"read",
"", $this->node_id)) {
295 $this->preview->create($obj);
308 if ($this->access_handler->checkAccess(
"write",
"", $this->node_id)) {
310 require_once(
"./Services/Preview/classes/class.ilPreview.php");
311 $this->preview->delete();
332 private function buildUrl($a_cmd =
"", $a_async =
true)
334 $link =
"ilias.php?baseClass=ilPreviewGUI&node_id={$this->node_id}&context={$this->context}&obj_id={$this->obj_id}";
337 $link .=
"&cmdMode=asynch";
340 if (!empty($a_cmd)) {
341 $link .=
"&cmd=$a_cmd";
353 if (self::$initialized) {
365 $DIC->ui()->mainTemplate()->addJavaScript(
"./libs/bower/bower_components/jquery-mousewheel/jquery.mousewheel.js");
366 $DIC->ui()->mainTemplate()->addJavaScript(
"./Services/Preview/js/ilPreview.js");
369 $tmpl =
new ilTemplate(
"tpl.preview.html",
true,
true,
"Services/Preview");
370 $tmpl->setCurrentBlock(
"no_preview");
371 $tmpl->setVariable(
"TXT_NO_PREVIEW",
"%%0%%");
372 $tmpl->parseCurrentBlock();
374 $initialHtml = str_replace(array(
"\r\n",
"\r"),
"\n", $tmpl->get());
375 $lines = explode(
"\n", $initialHtml);
376 $new_lines = array();
377 foreach ($lines as
$i => $line) {
379 $new_lines[] = trim($line);
382 $initialHtml = implode($new_lines);
385 $DIC->ui()->mainTemplate()->addOnLoadCode(
"il.Preview.texts.preview = \"" . self::jsonSafeString(
$DIC->language()->txt(
"preview")) .
"\";");
386 $DIC->ui()->mainTemplate()->addOnLoadCode(
"il.Preview.texts.showPreview = \"" . self::jsonSafeString(
$DIC->language()->txt(
"preview_show"))
390 $DIC->ui()->mainTemplate()->addOnLoadCode(
"il.Preview.initialHtml = " . json_encode($initialHtml) .
";");
391 $DIC->ui()->mainTemplate()->addOnLoadCode(
"il.Preview.highlightClass = \"ilContainerListItemOuterHighlight\";");
392 $DIC->ui()->mainTemplate()->addOnLoadCode(
"il.Preview.init();");
394 self::$initialized =
true;
405 if (!is_string($text)) {
409 $text = htmlentities($text, ENT_COMPAT | ENT_HTML401,
"UTF-8");
410 $text = str_replace(
"'",
"'", $text);
An exception for terminatinating execution or to throw for unit testing.
static encode($mixed, $suppress_native=false)
static _lookupTitle($a_id)
lookup object title
static getInstanceByObjId($a_obj_id, $stop_on_error=true)
get an instance of an Ilias object by object id
static _lookupObjId($a_id)
getInlineHTML()
Gets the HTML that is used for displaying the preview inline.
renderPreview()
Renders the preview and returns the HTML code that displays the preview.
static jsonSafeString($text)
Makes the specified string safe for JSON.
deletePreview()
Deletes the preview and returns the HTML code that displays the preview.
getHtmlId()
Gets the HTML id for the preview.
getPreviewHTML()
Gets the HTML that displays the preview.
executeCommand()
execute command
static initPreview()
Initializes the preview and loads the needed javascripts and styles.
__construct($a_node_id=null, $a_context=self::CONTEXT_REPOSITORY, $a_obj_id=null, $a_access_handler=null)
Creates a new preview GUI.
getJSCall($a_html_id)
Gets the JavaScript code to show the preview.
renderCommand($tmpl, $a_cmd, $btn_topic, $loading_topic, $a_display_status)
Renders a command to the specified template.
buildUrl($a_cmd="", $a_async=true)
Builds the URL to call the preview GUI.
static getImageSize()
Gets the size of the preview images in pixels.
const RENDER_STATUS_FAILED
const RENDER_STATUS_CREATED
const RENDER_STATUS_PENDING
special template class to simplify handling of ITX/PEAR
static prepareFormOutput($a_str, $a_strip=false)
prepares string output for html forms @access public
static signFile($path_to_file)
Access handler for personal workspace.
static initjQuery(ilGlobalTemplateInterface $a_tpl=null)
inits and adds the jQuery JS-File to the global or a passed template