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show/hide for radio

This commit is contained in:
Roland Gruber 2018-08-29 18:59:45 +02:00
parent 18a22ef1c4
commit a4c867d6b3
1 changed files with 125 additions and 4 deletions
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129
lam/lib/html.inc
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@ -1623,6 +1623,10 @@ class htmlRadio extends htmlElement {
private $isEnabled = true; private $isEnabled = true;
/** on change code */ /** on change code */
private $onchangeEvent = null; private $onchangeEvent = null;
/** list of enclosing table rows to hide when checked */
protected $tableRowsToHide = array();
/** list of enclosing table rows to show when checked */
protected $tableRowsToShow = array();
/** /**
* Constructor. * Constructor.
@ -1663,13 +1667,23 @@ class htmlRadio extends htmlElement {
if (!$this->isEnabled) { if (!$this->isEnabled) {
$disabled = ' disabled'; $disabled = ' disabled';
} }
$onchange = ''; if (($this->tableRowsToHide != null) || ($this->tableRowsToShow != null)) {
if ($this->onchangeEvent != null) { $this->printInitialState();
$onchange = ' onchange="' . $this->onchangeEvent . '"';
} }
// print radio list // print radio list
$counter = 0; $counter = 0;
foreach ($this->elements as $label => $value) { foreach ($this->elements as $label => $value) {
$showHideOnchange = '';
if (($this->tableRowsToHide != null) || ($this->tableRowsToShow != null)) {
$showHideOnchange = $this->getOnchangeCodeForShowHideTableRows($counter);
}
$onchange = '';
if ($this->onchangeEvent != null) {
$onchange = ' onchange="' . $this->onchangeEvent . '"';
}
elseif (!empty($showHideOnchange)) {
$onchange = ' onchange="' . $showHideOnchange . '"';
}
$onClick = 'onClick=" $onClick = 'onClick="
jQuery(\'input[name=' . $this->name . ']\').prop(\'checked\', false); jQuery(\'input[name=' . $this->name . ']\').prop(\'checked\', false);
jQuery(\'#' . $this->name . $counter . '\').prop(\'checked\', true); jQuery(\'#' . $this->name . $counter . '\').prop(\'checked\', true);
@ -1709,6 +1723,104 @@ class htmlRadio extends htmlElement {
$this->onchangeEvent = htmlspecialchars($onchangeEvent); $this->onchangeEvent = htmlspecialchars($onchangeEvent);
} }
/**
* Returns the selector to use to find the show/hide elements.
*
* @return string selector
*/
protected function getShowHideSelector() {
return 'tr';
}
/**
* Creates the JavaScript code to hide/show table rows based on the select value.
*
* @param int $counter index
* @return String onChange code
*/
private function getOnchangeCodeForShowHideTableRows($counter) {
$onChange = '';
if ((sizeof($this->tableRowsToHide) == 0) && (sizeof($this->tableRowsToShow) == 0)) {
return;
}
$values = array();
if (!empty($this->tableRowsToHide)) {
$values = array_merge($values, array_keys($this->tableRowsToHide));
}
if (!empty($this->tableRowsToShow)) {
$values = array_merge($values, array_keys($this->tableRowsToShow));
}
$values = array_unique($values);
$selector = $this->getShowHideSelector();
// build Java script to show/hide depending fields
foreach ($values as $val) {
// build onChange listener
$onChange .= 'if (jQuery(\'#' . $this->name . $counter . '\').val() == \'' . $val . '\') {';
if (isset($this->tableRowsToShow[$val])) {
for ($i = 0; $i < sizeof($this->tableRowsToShow[$val]); $i++) {
$onChange .= 'jQuery(\'#' . $this->tableRowsToShow[$val][$i] . '\').closest(\'' . $selector . '\').removeClass(\'hidden\');';
}
}
if (isset($this->tableRowsToHide[$val])) {
for ($i = 0; $i < sizeof($this->tableRowsToHide[$val]); $i++) {
$onChange .= 'jQuery(\'#' . $this->tableRowsToHide[$val][$i] . '\').closest(\'' . $selector . '\').addClass(\'hidden\');';
}
}
$onChange .= '};';
}
return $onChange;
}
private function printInitialState() {
$selector = $this->getShowHideSelector();
// build script to set initial state
$script = '<script type="text/javascript">jQuery(document).ready(function() {' . "\n";
if (isset($this->tableRowsToShow[$this->selectedElement])) {
for ($i = 0; $i < sizeof($this->tableRowsToShow[$this->selectedElement]); $i++) {
$classType = 'removeClass';
$script .= 'jQuery(\'#' . $this->tableRowsToShow[$this->selectedElement][$i] . '\').closest(\'' . $selector . '\').' . $classType . '(\'hidden\');' . "\n";
}
}
if (isset($this->tableRowsToHide[$this->selectedElement])) {
for ($i = 0; $i < sizeof($this->tableRowsToHide[$this->selectedElement]); $i++) {
$classType = 'addClass';
$script .= 'jQuery(\'#' . $this->tableRowsToHide[$this->selectedElement][$i] . '\').closest(\'' . $selector . '\').' . $classType . '(\'hidden\');' . "\n";
}
}
$script .= '});</script>';
echo $script;
}
/**
* This will hide the given table rows when the radio is changed to the specified value.
* The given IDs can be of any e.g. input element. Starting from this element
* the first parent "<tr>" element will be used to show/hide.
* <br>
* <br>
* <br> Example for $tableRowsToHide:
* <br> array('val1' => array('option1', 'option2'), 'val2' => array('option3'))
*
* @param array $tableRowsToHide array of select value => array of IDs of child elements to hide
*/
public function setTableRowsToHide($tableRowsToHide) {
$this->tableRowsToHide = $tableRowsToHide;
}
/**
* This will show the given table rows when the radio is changed to the specified value.
* The given IDs can be of any e.g. input element. Starting from this element
* the first parent "<tr>" element will be used to show/hide.
* <br>
* <br>
* <br> Example for $tableRowsToShow:
* <br> array('val1' => array('option1', 'option2'), 'val2' => array('option3'))
*
* @param array $tableRowsToShow array of select value => array of IDs of child elements to show
*/
public function setTableRowsToShow($tableRowsToShow) {
$this->tableRowsToShow = $tableRowsToShow;
}
} }
/** /**
@ -2292,7 +2404,7 @@ class htmlInputFileUpload extends htmlElement {
if (!$this->isEnabled) { if (!$this->isEnabled) {
$disabled = ' disabled'; $disabled = ' disabled';
} }
echo '<input type="file" name="' . $this->name . '"' . $tabindexValue . $disabled . '>'; echo '<input type="file" id="' . $this->name . '" name="' . $this->name . '"' . $tabindexValue . $disabled . '>';
return array($this->name => 'file'); return array($this->name => 'file');
} }
@ -4288,6 +4400,15 @@ class htmlResponsiveRadio extends htmlRadio {
return $row->generateHTML($module, $input, $values, $restricted, $tabindex, $scope); return $row->generateHTML($module, $input, $values, $restricted, $tabindex, $scope);
} }
/**
* Returns the selector to use to find the show/hide elements.
*
* @return string selector
*/
protected function getShowHideSelector() {
return '.row';
}
} }
/** /**