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ENHANCEMENT adapt the page dropdown based off the allowedChildren values

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/branches/2.4@97745 467b73ca-7a2a-4603-9d3b-597d59a354a9
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Tom Rix 2010-01-28 20:10:58 +00:00 committed by Sam Minnee
parent 51cb7f35f3
commit c8c8811f64
1 changed files with 47 additions and 0 deletions
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47
javascript/CMSMain_left.js
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@ -13,10 +13,25 @@ var addpageclass;
addpageclass = Class.create(); addpageclass = Class.create();
addpageclass.applyTo('#addpage'); addpageclass.applyTo('#addpage');
addpageclass.prototype = { addpageclass.prototype = {
originalValues: new Array(),
initialize: function () { initialize: function () {
Observable.applyTo($(_HANDLER_FORMS[this.id])); Observable.applyTo($(_HANDLER_FORMS[this.id]));
this.getElementsByTagName('button')[0].onclick = returnFalse; this.getElementsByTagName('button')[0].onclick = returnFalse;
$(_HANDLER_FORMS[this.id]).onsubmit = this.form_submit; $(_HANDLER_FORMS[this.id]).onsubmit = this.form_submit;
// Save the original page types in to this object
if ($(_HANDLER_FORMS.addpage).elements.PageType) {
var options = $(_HANDLER_FORMS.addpage).elements.PageType.options;
for(var i = 0; i < options.length; i++) {
this.originalValues.push({
'value': options[i].value,
'label': options[i].innerHTML,
});
}
var selectedNode = $('sitetree').firstSelected();
if(selectedNode) this.showApplicableChildrenPageTypes(selectedNode.hints);
}
}, },
onclick : function() { onclick : function() {
@ -40,7 +55,39 @@ addpageclass.prototype = {
return false; return false;
}, },
// Reset the page types dropdown to its original state
resetPageTypeOptions: function() {
var select = $(_HANDLER_FORMS.addpage).elements.PageType;
while (select.childNodes.length >= 1) { select.removeChild(select.firstChild); }
for(var i = 0; i < this.originalValues.length; i++) {
var option = document.createElement('option');
option.value = this.originalValues[i].value;
option.innerHTML = this.originalValues[i].label;
select.appendChild(option);
}
},
// Hide the <option> elements in the new page <select> unless
// they are in the allowChildren array of the selected tree node
showApplicableChildrenPageTypes: function(hints) {
this.resetPageTypeOptions();
if (typeof hints.allowedChildren != 'undefined') {
var select = $(_HANDLER_FORMS.addpage).elements.PageType;
var toRemove = new Array();
for(var i = 0; i < select.options.length; i++) {
var itemFound = false;
for(var j = 0; j < hints.allowedChildren.length; j++) {
if (select.options[i].value == hints.allowedChildren[j]) { itemFound = true; break; }
}
if (!itemFound) toRemove.push(select.options[i]);
}
for(var i = 0; i < toRemove.length; i++) { select.removeChild(toRemove[i]); }
}
},
treeSelectionChanged : function(selectedNode) { treeSelectionChanged : function(selectedNode) {
this.showApplicableChildrenPageTypes(selectedNode.hints);
$(_HANDLER_FORMS.addpage).elements.PageType.value = selectedNode.hints.defaultChild; $(_HANDLER_FORMS.addpage).elements.PageType.value = selectedNode.hints.defaultChild;
}, },