4require_once(
"./Services/Preview/classes/class.ilPreviewSettings.php");
5require_once(
"./Services/Preview/classes/class.ilPreview.php");
37 public function __construct($a_node_id =
null, $a_context = self::CONTEXT_REPOSITORY, $a_obj_id =
null, $a_access_handler =
null)
42 if (strtolower(
$_GET[
"baseClass"]) ==
"ilpreviewgui")
44 $this->node_id = (int)
$_GET[
"node_id"];
45 $this->context = (int)
$_GET[
"context"];
46 $a_obj_id = (int)
$_GET[
'obj_id'];
50 $this->node_id = $a_node_id;
51 $this->context = $a_context;
59 if ($a_access_handler ==
null)
61 if ($this->context == self::CONTEXT_WORKSPACE)
63 include_once(
"./Services/PersonalWorkspace/classes/class.ilWorkspaceAccessHandler.php");
68 $a_access_handler = $ilAccess;
71 $this->access_handler = $a_access_handler;
74 if ($a_obj_id ==
null)
76 if ($this->context == self::CONTEXT_WORKSPACE)
77 $a_obj_id = $this->access_handler->getTree()->lookupObjectId($this->node_id);
81 $this->obj_id = $a_obj_id;
84 $this->preview =
new ilPreview($this->obj_id);
96 $cmd = $this->ctrl->getCmd(
"getPreviewHTML");
97 $next_class = $this->ctrl->getNextClass($this);
102 return $this->
$cmd();
114 $status = $this->preview->getRenderStatus();
120 return "il.Preview.toggle(event, { id: '{$this->node_id}', htmlId: '{$a_html_id}', url: '$link', status: '$status', loadingText: '$loading_text' });";
130 $tmpl =
new ilTemplate(
"tpl.preview.html",
true,
true,
"Services/Preview");
131 $tmpl->setVariable(
"PREVIEW_ID", $this->
getHtmlId());
134 $preview_status = $this->preview->getRenderStatus();
137 if ($this->access_handler->checkAccess(
"read",
"", $this->node_id))
140 $images = $this->preview->getImages();
141 if (count($images) > 0)
143 foreach ($images as $image)
145 $tmpl->setCurrentBlock(
"preview_item");
146 $tmpl->setVariable(
"IMG_URL", $image[
"url"]);
147 $tmpl->setVariable(
"WIDTH", $image[
"width"]);
148 $tmpl->setVariable(
"HEIGHT", $image[
"height"]);
149 $tmpl->parseCurrentBlock();
155 $tmpl->setCurrentBlock(
"no_preview");
156 switch ($preview_status)
159 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"preview_status_pending"));
163 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"preview_status_failed"));
167 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"preview_status_missing"));
170 $tmpl->parseCurrentBlock();
176 $tmpl->setVariable(
"TXT_NO_PREVIEW", $this->lng->txt(
"no_access_item"));
180 if ($this->ctrl->isAsynch())
182 include_once(
"./Services/JSON/classes/class.ilJsonUtil.php");
184 $response =
new stdClass();
185 $response->html = $tmpl->get();
186 $response->status = $preview_status;
189 header(
'Vary: Accept');
190 header(
'Content-type: text/plain');
208 $tmpl =
new ilTemplate(
"tpl.preview_inline.html",
true,
true,
"Services/Preview");
212 if ($this->access_handler->checkAccess(
"read",
"", $this->node_id))
218 "preview_status_creating",
223 if ($this->access_handler->checkAccess(
"write",
"", $this->node_id))
229 "preview_status_deleting",
244 private function renderCommand($tmpl, $a_cmd, $btn_topic, $loading_topic, $a_display_status)
247 $preview_status = $this->preview->getRenderStatus();
250 $link = $this->
buildUrl($a_cmd .
"Preview");
251 $script_args =
"event, { id: '{$this->node_id}', htmlId: '$preview_html_id', url: '$link', loadingText: '$loading_text' }";
254 if (!is_array($a_display_status) || !in_array($preview_status, $a_display_status))
255 $action_class =
"ilPreviewActionHidden";
257 $tmpl->setCurrentBlock(
"preview_action");
258 $tmpl->setVariable(
"CLICK_ACTION",
"il.Preview.$a_cmd($script_args);");
259 $tmpl->setVariable(
"ACTION_CLASS",
"$action_class");
260 $tmpl->setVariable(
"ACTION_ID",
"preview_{$a_cmd}_" . $this->node_id);
261 $tmpl->setVariable(
"TXT_ACTION", $this->lng->txt($btn_topic));
262 $tmpl->parseCurrentBlock();
272 if ($this->access_handler->checkAccess(
"read",
"", $this->node_id))
276 $this->preview->create($obj);
289 if ($this->access_handler->checkAccess(
"write",
"", $this->node_id))
292 require_once(
"./Services/Preview/classes/class.ilPreview.php");
293 $this->preview->delete();
314 private function buildUrl($a_cmd =
"", $a_async =
true)
316 $link =
"ilias.php?baseClass=ilPreviewGUI&node_id={$this->node_id}&context={$this->context}&obj_id={$this->obj_id}";
319 $link .=
"&cmdMode=asynch";
322 $link .=
"&cmd=$a_cmd";
332 if (self::$initialized)
339 include_once(
"./Services/jQuery/classes/class.iljQueryUtil.php");
343 include_once(
"./Services/UIComponent/Tooltip/classes/class.ilTooltipGUI.php");
347 $tpl->addJavaScript(
"./Services/Preview/js/jquery.mousewheel.js");
348 $tpl->addJavaScript(
"./Services/Preview/js/ilPreview.js");
352 $tmpl =
new ilTemplate(
"tpl.preview.html",
true,
true,
"Services/Preview");
353 $tmpl->setCurrentBlock(
"no_preview");
354 $tmpl->setVariable(
"TXT_NO_PREVIEW",
"%%0%%");
355 $tmpl->parseCurrentBlock();
357 $initialHtml = str_replace(array(
"\r\n",
"\r"),
"\n", $tmpl->get());
358 $lines = explode(
"\n", $initialHtml);
359 $new_lines = array();
360 foreach ($lines as $i => $line)
363 $new_lines[] = trim($line);
365 $initialHtml = implode($new_lines);
368 include_once(
"./Services/JSON/classes/class.ilJsonUtil.php");
369 $tpl->addOnLoadCode(
"il.Preview.texts.preview = \"" . self::jsonSafeString(
$lng->txt(
"preview")) .
"\";");
370 $tpl->addOnLoadCode(
"il.Preview.texts.showPreview = \"" . self::jsonSafeString(
$lng->txt(
"preview_show")) .
"\";");
374 $tpl->addOnLoadCode(
"il.Preview.highlightClass = \"ilContainerListItemOuterHighlight\";");
375 $tpl->addOnLoadCode(
"il.Preview.init();");
377 self::$initialized =
true;
388 if (!is_string($text))
391 $text = htmlentities($text, ENT_COMPAT | ENT_HTML401,
"UTF-8");
392 $text = str_replace(
"'",
"'", $text);
static encode($mixed, $suppress_native=false)
getInstanceByObjId($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="", $a_async=true)
Builds the URL to call the preview GUI.
static getImageSize()
Gets the size of the preview images in pixels.
const RENDER_STATUS_FAILED
const RENDER_STATUS_CREATED
const RENDER_STATUS_PENDING
special template class to simplify handling of ITX/PEAR
static getStyleSheetLocation($mode="output", $a_css_name="", $a_css_location="")
get full style sheet file name (path inclusive) of current user
static prepareFormOutput($a_str, $a_strip=false)
prepares string output for html forms @access public
Access handler for personal workspace.
static initjQuery($a_tpl=null)
Init jQuery.