silverstripe-framework/admin/javascript/LeftAndMain.AddForm.js

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/**
* File: LeftAndMain.AddForm.js
*/
(function($) {
$.entwine('ss', function($){
/**
* Class: .add-form
*
* Simple form with a page type dropdown
* which creates a new page through .cms-edit-form and adds a new tree node.
*
* Requires:
* ss.i18n
* .cms-edit-form
*/
$('.cms-edit-form.cms-add-form').entwine({
/**
* Variable: Tree
* (DOMElement)
*/
Tree: null,
/**
* Variable: OrigOptions
* (Array) Map of <option> values to an object of "title" and "value"
*/
OrigOptions: null,
/**
* Variable: NewPages
* (Array) Internal counter to create unique page identifiers prior to ajax saving
*/
NewPages: [],
/**
* Constructor: onmatch
*/
onmatch: function() {
var self = this, typeDropdown = this.find(':input[name=PageType]');
var tree = $('.cms-tree');
this.setTree(tree);
// Event bindings
$(tree).bind('select_node.jstree', function(e, data) {self.refresh(data.rslt.obj);});
typeDropdown.bind('change', function(e) {self.refresh();});
// TODO Bind on tree initialization to set dropdown for selected node
// Store original page type options (they might get filtered to "allowed_children") later on
// TODO Better DOM element serialization (jQuery 1.4?)
var opts = {};
typeDropdown.find('option').each(function(el) {
opts[$(this).val()] = {html:$(this).html(), value: $(this).val()};
});
this.setOrigOptions(opts);
this._super();
},
onunmatch: function() {
this._super();
},
/**
* Function: onsubmit
*
* Parameters:
* (Event) e
*/
onsubmit: function(e) {
var newPages = this.getNewPages(), tree = this.getTree(), node = $(tree).jstree('get_selected');
var parentID = (node.length) ? node.data('id') : 0;
// TODO: Remove 'new-' code http://open.silverstripe.com/ticket/875
// if(parentID && parentID.substr(0,3) == 'new') {
// alert(ss.i18n._t('CMSMAIN.WARNINGSAVEPAGESBEFOREADDING'));
// }
if(node && node.hasClass("nochildren")) {
alert(ss.i18n._t('CMSMAIN.CANTADDCHILDREN') );
}
// Optionally initalize the new pages tracker
if(!newPages[parentID] ) newPages[parentID] = 1;
// default to first button
var button = this.find(':submit:first');
button.addClass('loading');
// collect data and submit the form
var data = this.serializeArray();
data.push({name:'Suffix',value:newPages[parentID]++});
data.push({name:button.attr('name'),value:button.val()});
// TODO Should be set by hiddenfield already
$('.cms-container').submitForm(
this,
button,
function() {
// Tree updates are triggered by Form_EditForm load events
button.removeClass('loading');
},
{
type: 'POST',
data: data,
// Refresh the whole area to avoid reloading just the form, without the tree around it
headers: {'X-Pjax': 'Content'}
}
);
this.setNewPages(newPages);
return false;
},
/**
* Function: refresh
* This is called after each change event of PageType dropdown
*
* Parameters:
* (DOMElement) selectedNode
*/
refresh: function(selectedNode) {
var tree = this.getTree(),
selectedNode = selectedNode || $(tree).jstree('get_selected')
origOptions = this.getOrigOptions(),
dropdown = this.find('select[name=PageType]'),
disallowed = [],
className = (selectedNode.length>0) ? selectedNode.entwine('ss.tree').getClassname() : null,
siteTreeHints = $.parseJSON($('#sitetree_ul').attr('data-hints')),
disableDropDown = true,
selectedOption = dropdown.val();
// Clear all existing <option> elements
// (IE doesn't allow setting display:none on these elements)
dropdown.find('option').remove();
//Use tree hints to find allowed children for this node
if (className && siteTreeHints) {
disallowed = siteTreeHints[className].disallowedChildren;
}
$.each(origOptions, function(i, optProps) {
if ($.inArray(i, disallowed) === -1 && optProps) {
dropdown.append($('<option value="' + optProps.value + '">' + optProps.html + '</option>'));
disableDropDown = false;
}
});
// Disable dropdown if no elements are selectable
if (!disableDropDown) dropdown.removeAttr('disabled');
else dropdown.attr('disabled', 'disabled');
//Re-select the currently selected element
if (selectedOption) dropdown.val(selectedOption);
// Set default child (optional)
if(selectedNode.hints && selectedNode.hints.defaultChild) {
dropdown.val(selectedNode.hints.defaultChild);
}
// Set parent node (fallback to root)
this.find(':input[name=ParentID]').val(selectedNode ? selectedNode.data('id') : 0);
}
});
});
}(jQuery));