added several meta HTML classes
This commit is contained in:
Roland Gruber
parent
108612fde3
commit
2131269e0b
437
lam/lib/html.inc
437
lam/lib/html.inc
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@ -24,7 +24,7 @@ $Id$
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/**
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* Interface between modules and other parts of LAM.
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*
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* @package modules
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* @package metaHTML
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* @author Roland Gruber
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*/
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@ -32,10 +32,15 @@ $Id$
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* Represents a HTML element.
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* This is used to build HTML code by using objects.
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*
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* @package modules
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* @package metaHTML
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*/
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interface htmlElement {
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const ALIGN_TOP = 0;
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const ALIGN_LEFT = 1;
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const ALIGN_RIGHT = 2;
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const ALIGN_BOTTOM = 3;
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/**
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* Prints the HTML code for this element.
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*
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@ -51,5 +56,433 @@ interface htmlElement {
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}
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/**
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* Structures elements using a table.
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*
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* @package metaHTML
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*/
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class htmlTable implements htmlElement {
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/** table header */
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const header = "<table>\n<tr>\n";
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/** table footer */
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const footer = "</tr>\n</table>\n";
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private $elements = array();
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/**
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* Adds an element to the table. The element may be a htmlElement object or a simple String.
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*
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* @param mixed $element htmlElement object or a simple String
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*/
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public function addElement($element) {
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if ($element instanceof htmlElement) {
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$this->elements[] = "<td>\n";
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$this->elements[] = $element;
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$this->elements[] = "</td>\n";
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}
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elseif(is_string($element)) {
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$this->elements[] = "<td>\n";
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$this->elements[] = htmlspecialchars($element);
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$this->elements[] = "</td>\n";
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}
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else {
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StatusMessage('ERROR', 'Invalid element', print_r($element, true));
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}
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}
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/**
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* Adds another line to the table.
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*/
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public function addNewLine() {
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$this->elements[] = "</tr><tr>\n";
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}
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/**
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* Prints the HTML code for this element.
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*
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* @param string $module Name of account module
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* @param array $input List of meta-HTML elements
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* @param array $values List of values which override the defaults in $input (name => value)
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* @param boolean $restricted If true then no buttons will be displayed
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* @param integer $tabindex Start value of tabulator index for input fields
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* @param string $scope Account type
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* @return array List of input field names and their type (name => type)
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*/
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function generateHTML($module, $input, $values, $restricted, &$tabindex, $scope) {
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$return = array();
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echo htmlTable::header;
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// print all contained elements
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for ($i = 0; $i < sizeof($this->elements); $i++) {
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// print htmlElement objects
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if ($this->elements[$i] instanceof htmlElement) {
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$fields = $this->elements[$i]->generateHTML($module, $input, $values, $restricted, $tabindex, $scope);
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$return = array_merge($return, $fields);
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}
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// print simple Strings
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else {
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echo $this->elements[$i];
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}
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}
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echo htmlTable::footer;
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return $return;
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}
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}
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/**
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* An extended input field that combines label, input field and help.
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*
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* @package metaHTML
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*/
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class htmlTableExtendedInputField implements htmlElement {
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/** Descriptive label */
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private $label;
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/** unique field name */
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private $fieldName;
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/** field value */
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private $fieldValue;
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/** field size (default 30) */
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private $fieldSize = 30;
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/** field max length (default 255) */
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private $fieldMaxLength = 255;
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/** help ID */
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private $helpID;
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/** required field */
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private $required = false;
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/**
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* Constructor
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*
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* @param String $label descriptive label
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* @param String $fieldName unique field name
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* @param String $fieldValue value of input field (optional)
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* @param String $helpID help ID (optional)
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*/
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function __construct($label, $fieldName, $fieldValue = null, $helpID = null) {
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$this->label = htmlspecialchars($label);
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$this->fieldName = htmlspecialchars($fieldName);
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$this->fieldValue = htmlspecialchars($fieldValue);
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$this->helpID = $helpID;
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}
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/**
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* Prints the HTML code for this element.
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*
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* @param string $module Name of account module
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* @param array $input List of meta-HTML elements
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* @param array $values List of values which override the defaults in $input (name => value)
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* @param boolean $restricted If true then no buttons will be displayed
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* @param integer $tabindex Start value of tabulator index for input fields
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* @param string $scope Account type
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* @return array List of input field names and their type (name => type)
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*/
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function generateHTML($module, $input, $values, $restricted, &$tabindex, $scope) {
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// print label text
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echo $this->label;
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if ($this->required) {
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echo '*';
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}
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echo "\n</td>\n<td>\n";
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// print input field
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$name = ' name="' . $this->fieldName . '"';
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$value = '';
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if ($this->fieldValue != null) {
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$value = ' value="' . $this->fieldValue . '"';
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}
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$maxLength = '';
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if ($this->fieldMaxLength != null) {
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$maxLength = ' maxlength="' . $this->fieldMaxLength . '"';
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}
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$size = ' size="' . $this->fieldSize . '"';
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$fieldTabIndex = ' tabindex="' . $tabindex . '"';
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$tabindex++;
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echo '<input type="text"' . $name . $value . $maxLength . $size . $fieldTabIndex . '>';
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// print help link
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if ($this->helpID != null) {
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echo "\n</td>\n<td>\n";
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$helpLink = new htmlHelpLink($this->helpID);
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$helpLink->generateHTML($module, $input, $values, $restricted, $tabindex, $scope);
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}
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return array($this->fieldName => 'text');
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}
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/**
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* Sets the maximum field length.
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*
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* @param int $fieldMaxLength length
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*/
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public function setFieldMaxLength($fieldMaxLength) {
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$this->fieldMaxLength = $fieldMaxLength;
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}
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/**
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* Sets the field size.
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*
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* @param int $fieldSize size
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*/
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public function setFieldSize($fieldSize) {
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$this->fieldSize = $fieldSize;
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}
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/**
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* Specifies if this input field must be filled.
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*
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* @param boolean $required required or not
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*/
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public function setRequired($required) {
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$this->required = $required;
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}
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}
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/**
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* Renders a help link.
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*
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* @package metaHTML
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*/
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class htmlHelpLink implements htmlElement {
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/** help ID */
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private $helpID;
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/**
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* Constructor
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*
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* @param String $helpID help ID
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*/
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function __construct($helpID) {
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$this->helpID = $helpID;
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}
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/**
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* Prints the HTML code for this element.
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*
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* @param string $module Name of account module
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* @param array $input List of meta-HTML elements
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* @param array $values List of values which override the defaults in $input (name => value)
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* @param boolean $restricted If true then no buttons will be displayed
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* @param integer $tabindex Start value of tabulator index for input fields
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* @param string $scope Account type
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* @return array List of input field names and their type (name => type)
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*/
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function generateHTML($module, $input, $values, $restricted, &$tabindex, $scope) {
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$helpEntry = getHelp($module, $this->helpID, $scope);
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printHelpLink($helpEntry, $this->helpID, $module, $scope);
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return array();
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}
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}
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/**
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* Simple button.
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*
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* @package metaHTML
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*/
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class htmlButton implements htmlElement {
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/** button name */
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protected $name;
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/** button text or image */
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protected $value;
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/** image button or text button */
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protected $isImageButton;
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/**
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* Constructor.
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*
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* @param String $name button name
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* @param String $value button text or image (16x16px, relative to graphics folder)
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* @param String $isImageButton image or text button (default text)
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*/
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function __construct($name, $value, $isImageButton = false) {
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$this->name = htmlspecialchars($name);
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$this->value = htmlspecialchars($value);
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$this->isImageButton = $isImageButton;
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}
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/**
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* Prints the HTML code for this element.
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*
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* @param string $module Name of account module
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* @param array $input List of meta-HTML elements
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* @param array $values List of values which override the defaults in $input (name => value)
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* @param boolean $restricted If true then no buttons will be displayed
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* @param integer $tabindex Start value of tabulator index for input fields
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* @param string $scope Account type
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* @return array List of input field names and their type (name => type)
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*/
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function generateHTML($module, $input, $values, $restricted, &$tabindex, $scope) {
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$value = '';
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$style = '';
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$class = '';
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$name = ' name="' . $this->name . '"';
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// image button
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if ($this->isImageButton) {
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$value = ' value=" "';
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}
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// text button
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else {
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if ($this->value != null) {
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$value = ' value="' . $this->value . '"';
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}
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$class = ' class="smallImageButton"';
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$style = ' style="background-image: url(../../graphics/' . $this->value . ');"';
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}
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echo '<input type="submit"' . $name . $value . $style . $class . '>';
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return array($this->name, 'submit');
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}
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}
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/**
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* Prints a button for the account pages.
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*
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* @package metaHTML
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*/
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class htmlAccountPageButton extends htmlButton implements htmlElement {
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/**
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* Constructor
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*
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* @param String $targetModule module name which renders next page
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* @param String $targetPage name of next page
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* @param String $identifier identifier for button
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* @param String $value button text or image (16x16px, relative to graphics folder)
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* @param String $isImageButton image or text button (default text)
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*/
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function __construct($targetModule, $targetPage, $identifier, $value, $isImageButton = false) {
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$this->name = htmlspecialchars('form_subpage_' . $targetModule . '_' . $targetPage . '_' . $identifier);
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$this->value = $value;
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$this->isImageButton = $isImageButton;
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}
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}
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/**
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* Represents a select box.
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*
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* @package metaHTML
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*/
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class htmlSelect implements htmlElement {
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/** name of select field */
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private $name;
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/** size */
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private $size;
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/** allows multi-selection */
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private $multiSelect = false;
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/** elements */
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private $elements;
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/** selected elements */
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private $selectedElements;
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/** descriptive elements */
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private $hasDescriptiveElements = false;
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/** sorting enabled */
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private $sortElements = true;
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/**
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* Constructor.
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*
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* @param String $name element name
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* @param array $elements list of elememts
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* @param array $selectedElements list of selected elements
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* @param int $size size (optional, default = 1)
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*/
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function __construct($name, $elements, $selectedElements, $size=1) {
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$this->name = htmlspecialchars($name);
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$this->elements = $elements;
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$this->selectedElements = $selectedElements;
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$this->size = htmlspecialchars($size);
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}
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/**
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* Prints the HTML code for this element.
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*
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* @param string $module Name of account module
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* @param array $input List of meta-HTML elements
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* @param array $values List of values which override the defaults in $input (name => value)
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* @param boolean $restricted If true then no buttons will be displayed
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* @param integer $tabindex Start value of tabulator index for input fields
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* @param string $scope Account type
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* @return array List of input field names and their type (name => type)
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*/
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function generateHTML($module, $input, $values, $restricted, &$tabindex, $scope) {
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$name = ' name="' . $this->name . '"';
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$size = ' size="' . $this->size . '"';
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$multi = '';
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if ($this->multiSelect) {
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$multi = ' multiple';
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}
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echo '<select' . $name . $size . $multi . ' tabindex="' . $tabindex . "\">\n";
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$tabindex++;
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// sorting
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if ($this->sortElements) {
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if ($this->hasDescriptiveElements) {
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$labels = array_keys($this->elements);
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natcasesort($labels);
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$newElements = array();
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foreach ($labels as $label) {
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$newElements[$label] = $this->elements[$label];
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}
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$this->elements = $newElements;
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}
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else {
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natcasesort($this->elements);
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}
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}
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foreach ($this->elements as $key => $value) {
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$selected = '';
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if ($this->hasDescriptiveElements) {
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if (in_array($value, $this->selectedElements)) {
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$selected = ' selected';
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}
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echo "<option value=\"" . htmlspecialchars($value) . "\"$selected>" . htmlspecialchars($key) . "</option>\n";
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}
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else {
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if (in_array($value, $this->selectedElements)) {
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$selected = ' selected';
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}
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echo "<option$selected>" . htmlspecialchars($value) . "</option>\n";
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}
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}
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echo "</select>\n";
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if ($this->multiSelect) {
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return array($this->name, 'multiselect');
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}
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else {
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return array($this->name, 'select');
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}
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}
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/**
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* Specifies if the elements are just a simple list or an assoziative array (default: simple list).
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*
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* @param boolean $hasDescriptiveElements activates descriptive elements
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*/
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public function setHasDescriptiveElements($hasDescriptiveElements) {
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$this->hasDescriptiveElements = $hasDescriptiveElements;
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}
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/**
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* Specifies if multi-selection is enabled (default: disabled).
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*
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* @param boolean $multiSelect allows multi-selection
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*/
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public function setMultiSelect($multiSelect) {
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$this->multiSelect = $multiSelect;
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}
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/**
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* Specifies if the elemets should be sorted (default: sort).
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*
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* @param boolean $sortElements
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*/
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public function setSortElements($sortElements) {
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$this->sortElements = $sortElements;
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}
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}
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?>
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