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adding lockoptions functionality to formslib library and added lockoptionsall() function which allows multiple dependencies for one dependent element and handles that properly.

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This commit is contained in:
jamiesensei 2006-11-21 09:17:46 +00:00
parent c70095e440
commit 50ef8eb9bd
2 changed files with 71 additions and 5 deletions
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45
lib/formslib.php
View file

@ -448,6 +448,7 @@ class moodleform_mod extends moodleform {
*/
class MoodleQuickForm extends HTML_QuickForm_DHTMLRulesTableless {
var $_types = array();
var $_dependencies = array();
/**
@ -794,13 +795,49 @@ function validate_' . $this->_attributes['id'] . '(frm) {
}
function getLockOptionStartScript(){
return '';
$js = '<script type="text/javascript" language="javascript">'."\n";
$js .= "var ".$this->getAttribute('id')."items= {";
foreach ($this->_dependencies as $dependentOn => $elements){
$js .= $dependentOn.' : {dependents :[';
foreach ($elements as $element){
$js.="'".$element['dependent']."', ";
}
$js=rtrim($js, ', ');
$js .= "],\n";
$js .= "condition : '{$element['condition']}'},\n";
};
$js=rtrim($js, ",\n");
$js .= '};'."\n";
$js .='</script>'."\n";
return $js;
}
function getLockOptionEndScript(){
return '';
$js = '<script type="text/javascript" language="javascript">'."\n";
$js .="lockoptionsall('".$this->getAttribute('id')."');\n";
$js .='</script>'."\n";
return $js;
}
function addDependency($elementName, $dependentOn, $condition='checked'){
$el=$this->getElement($elementName);
if (is_a($el, 'HTML_QuickForm_group')){
$group=$el;
$els=$group->getElements();
foreach (array_keys($els) as $elkey){
$dependentNames[]=array('dependent'=>$group->getElementName($elkey),
'condition'=>$condition);
}
}else{
$dependentNames=array(array('dependent'=>$el->getName(),
'condition'=>$condition));
}
foreach ($dependentNames as $dependentName){
$dependentOnEl=$this->getElement($dependentOn);
$name=$dependentOnEl->getName();
$dependentOnEl->updateAttributes(array('onClick'=>"return lockoptionsall('".$this->getAttribute('id')."');\n"));
$this->_dependencies[$name][]=$dependentName;
}
}
}
/**

31
lib/javascript-static.js
View file

@ -58,6 +58,35 @@ function lockoptions(form, master, subitems) {
return(true);
}
function lockoptionsall(formid) {
var lock=new Object();
var items=eval(formid+'items');
var form=document.forms[formid];
for (var master in items){
var subitems=items[master].dependents;
var thislock;
if (items[master].condition=='checked'){
thislock=!form.elements[master].checked;
}else{
thislock=!(form.elements[master].value==items[master].condition);
}
for (var i=0; i<subitems.length; i++) {
if (lock[subitems[i]]!=null){
lock[subitems[i]] = thislock || lock[subitems[i]];
}else{
lock[subitems[i]] = thislock;
}
}
for (var item in lock) {
form.elements[item].disabled=lock[item];
}
}
return(true);
}
function lockoption(form,item) {
eval("document."+form+"."+item+".disabled=true");/* IE thing */
if(document.forms[form].elements['h'+item]) {
@ -115,7 +144,7 @@ function confirm_if(expr, message) {
/*
findParentNode (start, elementName, elementClass, elementID)
Travels up the DOM hierarchy to find a parent element with the
specified tag name, class, and id. All conditions must be met,
but any can be ommitted. Returns the BODY element if no match