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iTop/application/webpage.class.inc.php

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<?php
// Copyright (C) 2010-2015 Combodo SARL
//
// This file is part of iTop.
//
// iTop is free software; you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// iTop is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with iTop. If not, see <http://www.gnu.org/licenses/>
/**
* Class WebPage
*
* @copyright Copyright (C) 2010-2015 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
/**
* Generic interface common to CLI and Web pages
*/
Interface Page
{
public function output();
public function add($sText);
public function p($sText);
public function pre($sText);
public function add_comment($sText);
public function table($aConfig, $aData, $aParams = array());
}
/**
* Simple helper class to ease the production of HTML pages
*
* This class provide methods to add content, scripts, includes... to a web page
* and renders the full web page by putting the elements in the proper place & order
* when the output() method is called.
* Usage:
* $oPage = new WebPage("Title of my page");
* $oPage->p("Hello World !");
* $oPage->output();
*/
class WebPage implements Page
{
protected $s_title;
protected $s_content;
protected $s_deferred_content;
protected $a_scripts;
protected $a_dict_entries;
protected $a_styles;
protected $a_include_scripts;
protected $a_include_stylesheets;
protected $a_headers;
protected $a_base;
protected $iNextId;
protected $iTransactionId;
protected $sContentType;
protected $sContentDisposition;
protected $sContentFileName;
protected $bTrashUnexpectedOutput;
protected $s_sOutputFormat;
protected $a_OutputOptions;
protected $bPrintable;
public function __construct($s_title, $bPrintable = false)
{
$this->s_title = $s_title;
$this->s_content = "";
$this->s_deferred_content = '';
$this->a_scripts = array();
$this->a_dict_entries = array();
$this->a_styles = array();
$this->a_linked_scripts = array();
$this->a_linked_stylesheets = array();
$this->a_headers = array();
$this->a_base = array( 'href' => '', 'target' => '');
$this->iNextId = 0;
$this->iTransactionId = 0;
$this->sContentType = '';
$this->sContentDisposition = '';
$this->sContentFileName = '';
$this->bTrashUnexpectedOutput = false;
$this->s_OutputFormat = utils::ReadParam('output_format', 'html');
$this->a_OutputOptions = array();
$this->bPrintable = $bPrintable;
ob_start(); // Start capturing the output
}
/**
* Change the title of the page after its creation
*/
public function set_title($s_title)
{
$this->s_title = $s_title;
}
/**
* Specify a default URL and a default target for all links on a page
*/
public function set_base($s_href = '', $s_target = '')
{
$this->a_base['href'] = $s_href;
$this->a_base['target'] = $s_target;
}
/**
* Add any text or HTML fragment to the body of the page
*/
public function add($s_html)
{
$this->s_content .= $s_html;
}
/**
* Add any text or HTML fragment (identified by an ID) at the end of the body of the page
* This is useful to add hidden content, DIVs or FORMs that should not
* be embedded into each other.
*/
public function add_at_the_end($s_html, $sId = '')
{
$this->s_deferred_content .= $s_html;
}
/**
* Add a paragraph to the body of the page
*/
public function p($s_html)
{
$this->add($this->GetP($s_html));
}
/**
* Add a pre-formatted text to the body of the page
*/
public function pre($s_html)
{
$this->add('<pre>'.$s_html.'</pre>');
}
/**
* Add a comment
*/
public function add_comment($sText)
{
$this->add('<!--'.$sText.'-->');
}
/**
* Add a paragraph to the body of the page
*/
public function GetP($s_html)
{
return "<p>$s_html</p>\n";
}
/**
* Adds a tabular content to the web page
* @param Hash $aConfig Configuration of the table: hash array of 'column_id' => 'Column Label'
* @param Hash $aData Hash array. Data to display in the table: each row is made of 'column_id' => Data. A column 'pkey' is expected for each row
* @param Hash $aParams Hash array. Extra parameters for the table.
* @return void
*/
public function table($aConfig, $aData, $aParams = array())
{
$this->add($this->GetTable($aConfig, $aData, $aParams));
}
public function GetTable($aConfig, $aData, $aParams = array())
{
$oAppContext = new ApplicationContext();
static $iNbTables = 0;
$iNbTables++;
$sHtml = "";
$sHtml .= "<table class=\"listResults\">\n";
$sHtml .= "<thead>\n";
$sHtml .= "<tr>\n";
foreach($aConfig as $sName=>$aDef)
{
$sHtml .= "<th title=\"".$aDef['description']."\">".$aDef['label']."</th>\n";
}
$sHtml .= "</tr>\n";
$sHtml .= "</thead>\n";
$sHtml .= "<tbody>\n";
foreach($aData as $aRow)
{
$sHtml .= $this->GetTableRow($aRow, $aConfig);
}
$sHtml .= "</tbody>\n";
$sHtml .= "</table>\n";
return $sHtml;
}
public function GetTableRow($aRow, $aConfig)
{
$sHtml = '';
if (isset($aRow['@class'])) // Row specific class, for hilighting certain rows
{
$sHtml .= "<tr class=\"{$aRow['@class']}\">";
}
else
{
$sHtml .= "<tr>";
}
foreach($aConfig as $sName=>$aAttribs)
{
$sClass = isset($aAttribs['class']) ? 'class="'.$aAttribs['class'].'"' : '';
$sValue = ($aRow[$sName] === '') ? '&nbsp;' : $aRow[$sName];
$sHtml .= "<td $sClass>$sValue</td>";
}
$sHtml .= "</tr>";
return $sHtml;
}
/**
* Add some Javascript to the header of the page
*/
public function add_script($s_script)
{
$this->a_scripts[] = $s_script;
}
/**
* Add some Javascript to the header of the page
*/
public function add_ready_script($s_script)
{
// Do nothing silently... this is not supported by this type of page...
}
/**
* Add a dictionary entry for the Javascript side
*/
public function add_dict_entry($s_entryId)
{
$this->a_dict_entries[$s_entryId] = Dict::S($s_entryId);
}
/**
* Add some CSS definitions to the header of the page
*/
public function add_style($s_style)
{
$this->a_styles[] = $s_style;
}
/**
* Add a script (as an include, i.e. link) to the header of the page
*/
public function add_linked_script($s_linked_script)
{
$this->a_linked_scripts[$s_linked_script] = $s_linked_script;
}
/**
* Add a CSS stylesheet (as an include, i.e. link) to the header of the page
*/
public function add_linked_stylesheet($s_linked_stylesheet, $s_condition = "")
{
$this->a_linked_stylesheets[] = array( 'link' => $s_linked_stylesheet, 'condition' => $s_condition);
}
public function add_saas($sSaasRelPath)
{
$sCssRelPath = utils::GetCSSFromSASS($sSaasRelPath);
$sRootUrl = utils::GetAbsoluteUrlAppRoot();
if ($sRootUrl === '')
{
// We're running the setup of the first install...
$sRootUrl = '../';
}
$sCSSUrl = $sRootUrl.$sCssRelPath;
$this->add_linked_stylesheet($sCSSUrl);
}
/**
* Add some custom header to the page
*/
public function add_header($s_header)
{
$this->a_headers[] = $s_header;
}
/**
* Add needed headers to the page so that it will no be cached
*/
public function no_cache()
{
$this->add_header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
$this->add_header("Expires: Fri, 17 Jul 1970 05:00:00 GMT"); // Date in the past
}
/**
* Build a special kind of TABLE useful for displaying the details of an object from a hash array of data
*/
public function details($aFields)
{
$this->add($this->GetDetails($aFields));
}
/**
* Whether or not the page is a PDF page
* @return boolean
*/
public function is_pdf()
{
return false;
}
/**
* Records the current state of the 'html' part of the page output
* @return mixed The current state of the 'html' output
*/
public function start_capture()
{
return strlen($this->s_content);
}
/**
* Returns the part of the html output that occurred since the call to start_capture
* and removes this part from the current html output
* @param $offset mixed The value returned by start_capture
* @return string The part of the html output that was added since the call to start_capture
*/
public function end_capture($offset)
{
$sCaptured = substr($this->s_content, $offset);
$this->s_content = substr($this->s_content, 0, $offset);
return $sCaptured;
}
/**
* Build a special kind of TABLE useful for displaying the details of an object from a hash array of data
*/
public function GetDetails($aFields)
{
$sHtml = "<table class=\"details\">\n";
$sHtml .= "<tbody>\n";
foreach($aFields as $aAttrib)
{
$sHtml .= "<tr>\n";
// By Rom, for csv import, proposed to show several values for column selection
if (is_array($aAttrib['value']))
{
$sHtml .= "<td class=\"label\">".$aAttrib['label']."</td><td>".implode("</td><td>", $aAttrib['value'])."</td>\n";
}
else
{
$sHtml .= "<td class=\"label\">".$aAttrib['label']."</td><td>".$aAttrib['value']."</td>\n";
}
$sComment = (isset($aAttrib['comments'])) ? $aAttrib['comments'] : '&nbsp;';
$sInfo = (isset($aAttrib['infos'])) ? $aAttrib['infos'] : '&nbsp;';
$sHtml .= "<td>$sComment</td><td>$sInfo</td>\n";
$sHtml .= "</tr>\n";
}
$sHtml .= "</tbody>\n";
$sHtml .= "</table>\n";
return $sHtml;
}
/**
* Build a set of radio buttons suitable for editing a field/attribute of an object (including its validation)
* @param $aAllowedValues hash Array of value => display_value
* @param $value mixed Current value for the field/attribute
* @param $iId mixed Unique Id for the input control in the page
* @param $sFieldName string The name of the field, attr_<$sFieldName> will hold the value for the field
* @param $bMandatory bool Whether or not the field is mandatory
* @param $bVertical bool Disposition of the radio buttons vertical or horizontal
* @param $sValidationField string HTML fragment holding the validation field (exclamation icon...)
* @return string The HTML fragment corresponding to the radio buttons
*/
public function GetRadioButtons($aAllowedValues, $value, $iId, $sFieldName, $bMandatory, $bVertical, $sValidationField)
{
$idx = 0;
$sHTMLValue = '';
foreach($aAllowedValues as $key => $display_value)
{
if ((count($aAllowedValues) == 1) && ($bMandatory == 'true') )
{
// When there is only once choice, select it by default
$sSelected = ' checked';
}
else
{
$sSelected = ($value == $key) ? ' checked' : '';
}
$sHTMLValue .= "<input type=\"radio\" id=\"{$iId}_{$key}\" name=\"radio_$sFieldName\" onChange=\"$('#{$iId}').val(this.value).trigger('change');\" value=\"$key\"$sSelected><label class=\"radio\" for=\"{$iId}_{$key}\">&nbsp;$display_value</label>&nbsp;";
if ($bVertical)
{
if ($idx == 0)
{
// Validation icon at the end of the first line
$sHTMLValue .= "&nbsp;{$sValidationField}\n";
}
$sHTMLValue .= "<br>\n";
}
$idx++;
}
$sHTMLValue .= "<input type=\"hidden\" id=\"$iId\" name=\"$sFieldName\" value=\"$value\"/>";
if (!$bVertical)
{
// Validation icon at the end of the line
$sHTMLValue .= "&nbsp;{$sValidationField}\n";
}
return $sHTMLValue;
}
/**
* Discard unexpected output data (such as PHP warnings)
* This is a MUST when the Page output is DATA (download of a document, download CSV export, download ...)
*/
public function TrashUnexpectedOutput()
{
$this->bTrashUnexpectedOutput = true;
}
/**
* Read the output buffer and deal with its contents:
* - trash unexpected output if the flag has been set
* - report unexpected behaviors such as the output buffering being stopped
*
* Possible improvement: I've noticed that several output buffers are stacked,
* if they are not empty, the output will be corrupted. The solution would
* consist in unstacking all of them (and concatenate the contents).
*/
protected function ob_get_clean_safe()
{
$sOutput = ob_get_contents();
if ($sOutput === false)
{
$sMsg = "Design/integration issue: No output buffer. Some piece of code has called ob_get_clean() or ob_end_clean() without calling ob_start()";
if ($this->bTrashUnexpectedOutput)
{
IssueLog::Error($sMsg);
$sOutput = '';
}
else
{
$sOutput = $sMsg;
}
}
else
{
ob_end_clean(); // on some versions of PHP doing so when the output buffering is stopped can cause a notice
if ($this->bTrashUnexpectedOutput)
{
if (trim($sOutput) != '')
{
if (Utils::GetConfig() && Utils::GetConfig()->Get('debug_report_spurious_chars'))
{
IssueLog::Error("Trashing unexpected output:'$sOutput'\n");
}
}
$sOutput = '';
}
}
return $sOutput;
}
/**
* Outputs (via some echo) the complete HTML page by assembling all its elements
*/
public function output()
{
foreach($this->a_headers as $s_header)
{
header($s_header);
}
$s_captured_output = $this->ob_get_clean_safe();
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n";
echo "<html>\n";
echo "<head>\n";
echo "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n";
echo "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, shrink-to-fit=no\" />";
echo "<title>".htmlentities($this->s_title, ENT_QUOTES, 'UTF-8')."</title>\n";
echo $this->get_base_tag();
foreach($this->a_linked_scripts as $s_script)
{
// Make sure that the URL to the script contains the application's version number
// so that the new script do NOT get reloaded from the cache when the application is upgraded
if (strpos($s_script, '?') === false)
{
$s_script .= "?itopversion=".ITOP_VERSION;
}
else
{
$s_script .= "&itopversion=".ITOP_VERSION;
}
echo "<script type=\"text/javascript\" src=\"$s_script\"></script>\n";
}
if (count($this->a_scripts)>0)
{
echo "<script type=\"text/javascript\">\n";
foreach($this->a_scripts as $s_script)
{
echo "$s_script\n";
}
echo "</script>\n";
}
$this->output_dict_entries();
foreach($this->a_linked_stylesheets as $a_stylesheet)
{
if (strpos($a_stylesheet['link'], '?') === false)
{
$s_stylesheet = $a_stylesheet['link']."?itopversion=".ITOP_VERSION;
}
else
{
$s_stylesheet = $a_stylesheet['link']."&itopversion=".ITOP_VERSION;
}
if ($a_stylesheet['condition'] != "")
{
echo "<!--[if {$a_stylesheet['condition']}]>\n";
}
echo "<link rel=\"stylesheet\" type=\"text/css\" href=\"{$s_stylesheet}\" />\n";
if ($a_stylesheet['condition'] != "")
{
echo "<![endif]-->\n";
}
}
if (count($this->a_styles)>0)
{
echo "<style>\n";
foreach($this->a_styles as $s_style)
{
echo "$s_style\n";
}
echo "</style>\n";
}
if (class_exists('MetaModel') && MetaModel::GetConfig())
{
echo "<link rel=\"shortcut icon\" href=\"".utils::GetAbsoluteUrlAppRoot()."images/favicon.ico?itopversion=".ITOP_VERSION."\" />\n";
}
echo "</head>\n";
echo "<body>\n";
echo self::FilterXSS($this->s_content);
if (trim($s_captured_output) != "")
{
echo "<div class=\"raw_output\">".self::FilterXSS($s_captured_output)."</div>\n";
}
echo '<div id="at_the_end">'.self::FilterXSS($this->s_deferred_content).'</div>';
echo "</body>\n";
echo "</html>\n";
if (class_exists('DBSearch'))
{
DBSearch::RecordQueryTrace();
}
if (class_exists('ExecutionKPI'))
{
ExecutionKPI::ReportStats();
}
}
/**
* Build a series of hidden field[s] from an array
*/
public function add_input_hidden($sLabel, $aData)
{
foreach($aData as $sKey => $sValue)
{
// Note: protection added to protect against the Notice 'array to string conversion' that appeared with PHP 5.4
// (this function seems unused though!)
if (is_scalar($sValue))
{
$this->add("<input type=\"hidden\" name=\"".$sLabel."[$sKey]\" value=\"$sValue\">");
}
}
}
protected function get_base_tag()
{
$sTag = '';
if (($this->a_base['href'] != '') || ($this->a_base['target'] != ''))
{
$sTag = '<base ';
if (($this->a_base['href'] != ''))
{
$sTag .= "href =\"{$this->a_base['href']}\" ";
}
if (($this->a_base['target'] != ''))
{
$sTag .= "target =\"{$this->a_base['target']}\" ";
}
$sTag .= " />\n";
}
return $sTag;
}
/**
* Get an ID (for any kind of HTML tag) that is guaranteed unique in this page
* @return int The unique ID (in this page)
*/
public function GetUniqueId()
{
return $this->iNextId++;
}
/**
* Set the content-type (mime type) for the page's content
* @param $sContentType string
* @return void
*/
public function SetContentType($sContentType)
{
$this->sContentType = $sContentType;
}
/**
* Set the content-disposition (mime type) for the page's content
* @param $sDisposition string The disposition: 'inline' or 'attachment'
* @param $sFileName string The original name of the file
* @return void
*/
public function SetContentDisposition($sDisposition, $sFileName)
{
$this->sContentDisposition = $sDisposition;
$this->sContentFileName = $sFileName;
}
/**
* Set the transactionId of the current form
* @param $iTransactionId integer
* @return void
*/
public function SetTransactionId($iTransactionId)
{
$this->iTransactionId = $iTransactionId;
}
/**
* Returns the transactionId of the current form
* @return integer The current transactionID
*/
public function GetTransactionId()
{
return $this->iTransactionId;
}
public static function FilterXSS($sHTML)
{
return str_ireplace('<script', '&lt;script', $sHTML);
}
/**
* What is the currently selected output format
* @return string The selected output format: html, pdf...
*/
public function GetOutputFormat()
{
return $this->s_OutputFormat;
}
/**
* Check whether the desired output format is possible or not
* @param string $sOutputFormat The desired output format: html, pdf...
* @return bool True if the format is Ok, false otherwise
*/
function IsOutputFormatAvailable($sOutputFormat)
{
$bResult = false;
switch($sOutputFormat)
{
case 'html':
$bResult = true; // Always supported
break;
case 'pdf':
$bResult = @is_readable(APPROOT.'lib/MPDF/mpdf.php');
break;
}
return $bResult;
}
/**
* Check whether the output must be printable (using print.css, for sure!)
* @return bool ...
*/
public function IsPrintableVersion()
{
return $this->bPrintable;
}
/**
* Retrieves the value of a named output option for the given format
* @param string $sFormat The format: html or pdf
* @param string $sOptionName The name of the option
* @return mixed false if the option was never set or the options's value
*/
public function GetOutputOption($sFormat, $sOptionName)
{
if (isset($this->a_OutputOptions[$sFormat][$sOptionName]))
{
return $this->a_OutputOptions[$sFormat][$sOptionName];
}
return false;
}
/**
* Sets a named output option for the given format
* @param string $sFormat The format for which to set the option: html or pdf
* @param string $sOptionName the name of the option
* @param mixed $sValue The value of the option
*/
public function SetOutputOption($sFormat, $sOptionName, $sValue)
{
if (!isset($this->a_OutputOptions[$sFormat]))
{
$this->a_OutputOptions[$sFormat] = array($sOptionName => $sValue);
}
else
{
$this->a_OutputOptions[$sFormat][$sOptionName] = $sValue;
}
}
public function RenderPopupMenuItems($aActions, $aFavoriteActions = array())
{
$sPrevUrl = '';
$sHtml = '';
if (!$this->IsPrintableVersion())
{
foreach ($aActions as $aAction)
{
$sClass = isset($aAction['css_classes']) ? ' class="'.implode(' ', $aAction['css_classes']).'"' : '';
$sOnClick = isset($aAction['onclick']) ? ' onclick="'.htmlspecialchars($aAction['onclick'], ENT_QUOTES, "UTF-8").'"' : '';
$sTarget = isset($aAction['target']) ? " target=\"{$aAction['target']}\"" : "";
if (empty($aAction['url']))
{
if ($sPrevUrl != '') // Don't output consecutively two separators...
{
$sHtml .= "<li>{$aAction['label']}</li>";
}
$sPrevUrl = '';
}
else
{
$sHtml .= "<li><a $sTarget href=\"{$aAction['url']}\"$sClass $sOnClick>{$aAction['label']}</a></li>";
$sPrevUrl = $aAction['url'];
}
}
$sHtml .= "</ul></li></ul></div>";
foreach(array_reverse($aFavoriteActions) as $aAction)
{
$sTarget = isset($aAction['target']) ? " target=\"{$aAction['target']}\"" : "";
$sHtml .= "<div class=\"actions_button\"><a $sTarget href='{$aAction['url']}'>{$aAction['label']}</a></div>";
}
}
return $sHtml;
}
protected function output_dict_entries($bReturnOutput = false)
{
$sHtml = '';
if (count($this->a_dict_entries)>0)
{
$sHtml .= "<script type=\"text/javascript\">\n";
$sHtml .= "var Dict = {};\n";
$sHtml .= "Dict._entries = {};\n";
$sHtml .= "Dict.S = function(sEntry) {\n";
$sHtml .= " if (sEntry in Dict._entries)\n";
$sHtml .= " {\n";
$sHtml .= " return Dict._entries[sEntry];\n";
$sHtml .= " }\n";
$sHtml .= " else\n";
$sHtml .= " {\n";
$sHtml .= " return sEntry;\n";
$sHtml .= " }\n";
$sHtml .= "};\n";
foreach($this->a_dict_entries as $s_entry => $s_value)
{
$sHtml .= "Dict._entries['$s_entry'] = '".addslashes($s_value)."';\n";
}
$sHtml .= "</script>\n";
}
if ($bReturnOutput)
{
return $sHtml;
}
else
{
echo $sHtml;
}
}
}
interface iTabbedPage
{
public function AddTabContainer($sTabContainer, $sPrefix = '');
public function AddToTab($sTabContainer, $sTabLabel, $sHtml);
public function SetCurrentTabContainer($sTabContainer = '');
public function SetCurrentTab($sTabLabel = '');
/**
* Add a tab which content will be loaded asynchronously via the supplied URL
*
* Limitations:
* Cross site scripting is not not allowed for security reasons. Use a normal tab with an IFRAME if you want to pull content from another server.
* Static content cannot be added inside such tabs.
*
* @param string $sTabLabel The (localised) label of the tab
* @param string $sUrl The URL to load (on the same server)
* @param boolean $bCache Whether or not to cache the content of the tab once it has been loaded. flase will cause the tab to be reloaded upon each activation.
* @since 2.0.3
*/
public function AddAjaxTab($sTabLabel, $sUrl, $bCache = true);
public function GetCurrentTab();
public function RemoveTab($sTabLabel, $sTabContainer = null);
/**
* Finds the tab whose title matches a given pattern
* @return mixed The name of the tab as a string or false if not found
*/
public function FindTab($sPattern, $sTabContainer = null);
}
/**
* Helper class to implement JQueryUI tabs inside a page
*/
class TabManager
{
protected $m_aTabs;
protected $m_sCurrentTabContainer;
protected $m_sCurrentTab;
public function __construct()
{
$this->m_aTabs = array();
$this->m_sCurrentTabContainer = '';
$this->m_sCurrentTab = '';
}
public function AddTabContainer($sTabContainer, $sPrefix = '')
{
$this->m_aTabs[$sTabContainer] = array('prefix' => $sPrefix, 'tabs' => array());
return "\$Tabs:$sTabContainer\$";
}
public function AddToCurrentTab($sHtml)
{
$this->AddToTab($this->m_sCurrentTabContainer, $this->m_sCurrentTab, $sHtml);
}
public function GetCurrentTabLength($sHtml)
{
$iLength = isset($this->m_aTabs[$this->m_sCurrentTabContainer]['tabs'][$this->m_sCurrentTab]['html']) ? strlen($this->m_aTabs[$this->m_sCurrentTabContainer]['tabs'][$this->m_sCurrentTab]['html']): 0;
return $iLength;
}
/**
* Truncates the given tab to the specifed length and returns the truncated part
* @param string $sTabContainer The tab container in which to truncate the tab
* @param string $sTab The name/identifier of the tab to truncate
* @param integer $iLength The length/offset at which to truncate the tab
* @return string The truncated part
*/
public function TruncateTab($sTabContainer, $sTab, $iLength)
{
$sResult = substr($this->m_aTabs[$this->m_sCurrentTabContainer]['tabs'][$this->m_sCurrentTab]['html'], $iLength);
$this->m_aTabs[$this->m_sCurrentTabContainer]['tabs'][$this->m_sCurrentTab]['html'] = substr($this->m_aTabs[$this->m_sCurrentTabContainer]['tabs'][$this->m_sCurrentTab]['html'], 0, $iLength);
return $sResult;
}
public function TabExists($sTabContainer, $sTab)
{
return isset($this->m_aTabs[$sTabContainer]['tabs'][$sTab]);
}
public function TabsContainerCount()
{
return count($this->m_aTabs);
}
public function AddToTab($sTabContainer, $sTabLabel, $sHtml)
{
if (!isset($this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel]))
{
// Set the content of the tab
$this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel] = array(
'type' => 'html',
'html' => $sHtml,
);
}
else
{
if ($this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel]['type'] != 'html')
{
throw new Exception("Cannot add HTML content to the tab '$sTabLabel' of type '{$this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel]['type']}'");
}
// Append to the content of the tab
$this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel]['html'] .= $sHtml;
}
return ''; // Nothing to add to the page for now
}
public function SetCurrentTabContainer($sTabContainer = '')
{
$sPreviousTabContainer = $this->m_sCurrentTabContainer;
$this->m_sCurrentTabContainer = $sTabContainer;
return $sPreviousTabContainer;
}
public function SetCurrentTab($sTabLabel = '')
{
$sPreviousTab = $this->m_sCurrentTab;
$this->m_sCurrentTab = $sTabLabel;
return $sPreviousTab;
}
/**
* Add a tab which content will be loaded asynchronously via the supplied URL
*
* Limitations:
* Cross site scripting is not not allowed for security reasons. Use a normal tab with an IFRAME if you want to pull content from another server.
* Static content cannot be added inside such tabs.
*
* @param string $sTabLabel The (localised) label of the tab
* @param string $sUrl The URL to load (on the same server)
* @param boolean $bCache Whether or not to cache the content of the tab once it has been loaded. flase will cause the tab to be reloaded upon each activation.
* @since 2.0.3
*/
public function AddAjaxTab($sTabLabel, $sUrl, $bCache = true)
{
// Set the content of the tab
$this->m_aTabs[$this->m_sCurrentTabContainer]['tabs'][$sTabLabel] = array(
'type' => 'ajax',
'url' => $sUrl,
'cache' => $bCache,
);
return ''; // Nothing to add to the page for now
}
public function GetCurrentTabContainer()
{
return $this->m_sCurrentTabContainer;
}
public function GetCurrentTab()
{
return $this->m_sCurrentTab;
}
public function RemoveTab($sTabLabel, $sTabContainer = null)
{
if ($sTabContainer == null)
{
$sTabContainer = $this->m_sCurrentTabContainer;
}
if (isset($this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel]))
{
// Delete the content of the tab
unset($this->m_aTabs[$sTabContainer]['tabs'][$sTabLabel]);
// If we just removed the active tab, let's reset the active tab
if (($this->m_sCurrentTabContainer == $sTabContainer) && ($this->m_sCurrentTab == $sTabLabel))
{
$this->m_sCurrentTab = '';
}
}
}
/**
* Finds the tab whose title matches a given pattern
* @return mixed The actual name of the tab (as a string) or false if not found
*/
public function FindTab($sPattern, $sTabContainer = null)
{
$result = false;
if ($sTabContainer == null)
{
$sTabContainer = $this->m_sCurrentTabContainer;
}
foreach($this->m_aTabs[$sTabContainer]['tabs'] as $sTabLabel => $void)
{
if (preg_match($sPattern, $sTabLabel))
{
$result = $sTabLabel;
break;
}
}
return $result;
}
/**
* Make the given tab the active one, as if it were clicked
* DOES NOT WORK: apparently in the *old* version of jquery
* that we are using this is not supported... TO DO upgrade
* the whole jquery bundle...
*/
public function SelectTab($sTabContainer, $sTabLabel)
{
$container_index = 0;
$tab_index = 0;
foreach($this->m_aTabs as $sCurrentTabContainerName => $aTabs)
{
if ($sTabContainer == $sCurrentTabContainerName)
{
foreach($aTabs['tabs'] as $sCurrentTabLabel => $void)
{
if ($sCurrentTabLabel == $sTabLabel)
{
break;
}
$tab_index++;
}
break;
}
$container_index++;
}
$sSelector = '#tabbedContent_'.$container_index.' > ul';
return "window.setTimeout(\"$('$sSelector').tabs('select', $tab_index);\", 100);"; // Let the time to the tabs widget to initialize
}
public function RenderIntoContent($sContent, WebPage $oPage)
{
// Render the tabs in the page (if any)
foreach($this->m_aTabs as $sTabContainerName => $aTabs)
{
$sTabs = '';
$sPrefix = $aTabs['prefix'];
$container_index = 0;
if (count($aTabs['tabs']) > 0)
{
if ($oPage->IsPrintableVersion())
{
$oPage->add_ready_script(
<<< EOF
oHiddeableChapters = {};
EOF
);
$sTabs = "<!-- tabs -->\n<div id=\"tabbedContent_{$sPrefix}{$container_index}\" class=\"light\">\n";
$i = 0;
foreach($aTabs['tabs'] as $sTabName => $aTabData)
{
$sTabNameEsc = addslashes($sTabName);
$sTabId = "tab_{$sPrefix}{$container_index}$i";
switch($aTabData['type'])
{
case 'ajax':
$sTabHtml = '';
$sUrl = $aTabData['url'];
$oPage->add_ready_script(
<<< EOF
$.post('$sUrl', {printable: '1'}, function(data){
$('#$sTabId > .printable-tab-content').append(data);
});
EOF
);
break;
case 'html':
default:
$sTabHtml = $aTabData['html'];
}
$sTabs .= "<div class=\"printable-tab\" id=\"$sTabId\"><h2 class=\"printable-tab-title\">".htmlentities($sTabName, ENT_QUOTES, 'UTF-8')."</h2><div class=\"printable-tab-content\">".$sTabHtml."</div></div>\n";
$oPage->add_ready_script(
<<< EOF
oHiddeableChapters['$sTabId'] = '$sTabNameEsc';
EOF
);
$i++;
}
$sTabs .= "</div>\n<!-- end of tabs-->\n";
}
else
{
$sTabs = "<!-- tabs -->\n<div id=\"tabbedContent_{$sPrefix}{$container_index}\" class=\"light\">\n";
$sTabs .= "<ul>\n";
// Display the unordered list that will be rendered as the tabs
$i = 0;
foreach($aTabs['tabs'] as $sTabName => $aTabData)
{
switch($aTabData['type'])
{
case 'ajax':
$sTabs .= "<li data-cache=\"".($aTabData['cache'] ? 'true' : 'false')."\"><a href=\"{$aTabData['url']}\" class=\"tab\"><span>".htmlentities($sTabName, ENT_QUOTES, 'UTF-8')."</span></a></li>\n";
break;
case 'html':
default:
$sTabs .= "<li><a href=\"#tab_{$sPrefix}{$container_index}$i\" class=\"tab\"><span>".htmlentities($sTabName, ENT_QUOTES, 'UTF-8')."</span></a></li>\n";
}
$i++;
}
$sTabs .= "</ul>\n";
// Now add the content of the tabs themselves
$i = 0;
foreach($aTabs['tabs'] as $sTabName => $aTabData)
{
switch($aTabData['type'])
{
case 'ajax':
// Nothing to add
break;
case 'html':
default:
$sTabs .= "<div id=\"tab_{$sPrefix}{$container_index}$i\">".$aTabData['html']."</div>\n";
}
$i++;
}
$sTabs .= "</div>\n<!-- end of tabs-->\n";
}
}
$sContent = str_replace("\$Tabs:$sTabContainerName\$", $sTabs, $sContent);
$container_index++;
}
return $sContent;
}
}
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