silverstripe-cms/javascript/CMSMain.AddForm.js
2015-03-19 15:29:38 +13:00

193 lines
6.3 KiB
JavaScript

(function($) {
$.entwine('ss', function($){
/**
* Reset the parent node selection if the type is
* set back to "toplevel page", to avoid submitting inconsistent state.
*/
$(".cms-add-form .parent-mode :input").entwine({
onclick: function(e) {
if(this.val() == 'top') {
var parentField = this.closest('form').find('#ParentID .TreeDropdownField')
parentField.setValue('');
parentField.setTitle('');
}
}
});
$(".cms-add-form").entwine({
ParentID: 0, // Last selected parentID
ParentCache: {}, // Cache allowed children for each selected page
onadd: function() {
var self = this;
this.find('#ParentID .TreeDropdownField').bind('change', function() {
self.updateTypeList();
});
this.find(".SelectionGroup.parent-mode").bind('change', function() {
self.updateTypeList();
});
this.updateTypeList();
},
loadCachedChildren: function(parentID) {
var cache = this.getParentCache();
if(typeof cache[parentID] !== 'undefined') return cache[parentID];
else return null;
},
saveCachedChildren: function(parentID, children) {
var cache = this.getParentCache();
cache[parentID] = children;
this.setParentCache(cache);
},
/**
* Limit page type selection based on parent selection.
* Select of root classes is pre-computed, but selections with a given parent
* are updated on-demand.
* Similar implementation to LeftAndMain.Tree.js.
*/
updateTypeList: function() {
var hints = this.data('hints'),
parentTree = this.find('#ParentID .TreeDropdownField'),
parentMode = this.find("input[name=ParentModeField]:checked").val(),
metadata = parentTree.data('metadata'),
id = (metadata && parentMode === 'child')
? (parentTree.getValue() || this.getParentID())
: null,
newClassName = metadata ? metadata.ClassName : null,
hintKey = (newClassName && parentMode === 'child')
? newClassName
: 'Root',
hint = (typeof hints[hintKey] !== 'undefined') ? hints[hintKey] : null,
self = this,
defaultChildClass = (hint && typeof hint.defaultChild !== 'undefined')
? hint.defaultChild
: null,
disallowedChildren = [];
if(id) {
// Prevent interface operations
if(this.hasClass('loading')) return;
this.addClass('loading');
// Enable last parent ID to be re-selected from memory
this.setParentID(id);
if(!parentTree.getValue()) parentTree.setValue(id);
// Use cached data if available
disallowedChildren = this.loadCachedChildren(id);
if(disallowedChildren !== null) {
this.updateSelectionFilter(disallowedChildren, defaultChildClass);
this.removeClass('loading');
return;
}
$.ajax({
url: self.data('childfilter'),
data: {'ParentID': id},
success: function(data) {
// reload current form and tree
self.saveCachedChildren(id, data);
self.updateSelectionFilter(data, defaultChildClass);
},
complete: function() {
self.removeClass('loading');
}
});
return false;
} else {
disallowedChildren = (hint && typeof hint.disallowedChildren !== 'undefined')
? hint.disallowedChildren
: [],
this.updateSelectionFilter(disallowedChildren, defaultChildClass);
}
},
/**
* Update the selection filter with the given blacklist and default selection
*
* @param array disallowedChildren
* @param string defaultChildClass
*/
updateSelectionFilter: function(disallowedChildren, defaultChildClass) {
// Limit selection
var allAllowed = null; // troolian
this.find('#PageType li').each(function() {
var className = $(this).find('input').val(),
isAllowed = ($.inArray(className, disallowedChildren) === -1);
$(this).setEnabled(isAllowed);
if(!isAllowed) $(this).setSelected(false);
if(allAllowed === null) allAllowed = isAllowed;
else allAllowed = allAllowed && isAllowed;
});
// Set default child selection, or fall back to first available option
if(defaultChildClass) {
var selectedEl = this.find('#PageType li input[value=' + defaultChildClass + ']').parents('li:first');
} else {
var selectedEl = this.find('#PageType li:not(.disabled):first');
}
selectedEl.setSelected(true);
selectedEl.siblings().setSelected(false);
// Disable the "Create" button if none of the pagetypes are available
var buttonState = (this.find('#PageType li:not(.disabled)').length) ? 'enable' : 'disable';
this.find('button[name=action_doAdd]').button(buttonState);
this.find('.message-restricted')[allAllowed ? 'hide' : 'show']();
}
});
$(".cms-add-form #PageType li").entwine({
onclick: function(e) {
this.setSelected(true);
},
setSelected: function(bool) {
var input = this.find('input');
if(bool && !input.is(':disabled')) {
this.siblings().setSelected(false);
this.toggleClass('selected', true);
input.prop('checked', true);
} else {
this.toggleClass('selected', false);
input.prop('checked', false);
}
},
setEnabled: function(bool) {
$(this).toggleClass('disabled', !bool);
if(!bool) $(this).find('input').attr('disabled', 'disabled').removeAttr('checked');
else $(this).find('input').removeAttr('disabled');
}
});
$(".cms-page-add-button").entwine({
onclick: function(e) {
var tree = $('.cms-tree'), list = $('.cms-list'), parentId = 0;
// Choose parent ID either from tree or list view, depending which is visible
if(tree.is(':visible')) {
var selected = tree.jstree('get_selected');
parentId = selected ? $(selected[0]).data('id') : null;
} else {
var state = list.find('input[name="Page[GridState]"]').val();
if(state) parentId = parseInt(JSON.parse(state).ParentID, 10);
}
var data = {selector: this.data('targetPanel'),pjax: this.data('pjax')}, url;
if(parentId) {
extraParams = this.data('extraParams') ? this.data('extraParams') : '';
url = $.path.addSearchParams(ss.i18n.sprintf(this.data('urlAddpage'), parentId), extraParams);
} else {
url = this.attr('href');
}
$('.cms-container').loadPanel(url, null, data);
e.preventDefault();
// Remove focussed state from button
this.blur();
// $('.cms-page-add-form-dialog').dialog('open');
// e.preventDefault();
}
});
});
}(jQuery));