/**
* File: LeftAndMain.EditForm.js
*/
(function($) {
// Can't bind this through jQuery
window.onbeforeunload = function(e) {
var form = $('.cms-edit-form');
form.trigger('beforesubmitform');
if(form.is('.changed')) return ss.i18n._t('LeftAndMain.CONFIRMUNSAVEDSHORT');
};
$.entwine('ss', function($){
/**
* Class: .cms-edit-form
*
* Base edit form, provides ajaxified saving
* and reloading itself through the ajax return values.
* Takes care of resizing tabsets within the layout container.
*
* Change tracking is enabled on all fields within the form. If you want
* to disable change tracking for a specific field, add a "no-change-track"
* class to it.
*
* @name ss.Form_EditForm
* @require jquery.changetracker
*
* Events:
* ajaxsubmit - Form is about to be submitted through ajax
* validate - Contains validation result
* load - Form is about to be loaded through ajax
*/
$('.cms-edit-form').entwine(/** @lends ss.Form_EditForm */{
/**
* Variable: PlaceholderHtml
* (String_ HTML text to show when no form content is chosen.
* Will show inside the <form> tag.
*/
PlaceholderHtml: '',
/**
* Variable: ChangeTrackerOptions
* (Object)
*/
ChangeTrackerOptions: {
ignoreFieldSelector: '.no-change-track, .ss-upload :input, .cms-navigator :input'
},
/**
* Constructor: onmatch
*/
onadd: function() {
var self = this;
// Turn off autocomplete to fix the access tab randomly switching radio buttons in Firefox
// when refresh the page with an anchor tag in the URL. E.g: /admin#Root_Access.
// Autocomplete in the CMS also causes strangeness in other browsers,
// filling out sections of the form that the user does not want to be filled out,
// so this turns it off for all browsers.
// See the following page for demo and explanation of the Firefox bug:
// http://www.ryancramer.com/journal/entries/radio_buttons_firefox/
this.attr("autocomplete", "off");
this._setupChangeTracker();
// Catch navigation events before they reach handleStateChange(),
// in order to avoid changing the menu state if the action is cancelled by the user
// $('.cms-menu')
// Optionally get the form attributes from embedded fields, see Form->formHtmlContent()
for(var overrideAttr in {'action':true,'method':true,'enctype':true,'name':true}) {
var el = this.find(':input[name='+ '_form_' + overrideAttr + ']');
if(el) {
this.attr(overrideAttr, el.val());
el.remove();
}
}
// TODO
// // Rewrite # links
// html = html.replace(/(<a[^>]+href *= *")#/g, '$1' + window.location.href.replace(/#.*$/,'') + '#');
//
// // Rewrite iframe links (for IE)
// html = html.replace(/(<iframe[^>]*src=")([^"]+)("[^>]*>)/g, '$1' + $('base').attr('href') + '$2$3');
// Show validation errors if necessary
if(this.hasClass('validationerror')) {
// Ensure the first validation error is visible
var tabError = this.find('.message.validation, .message.required').first().closest('.tab');
$('.cms-container').clearCurrentTabState(); // clear state to avoid override later on
tabError.closest('.ss-tabset').tabs('option', 'active', tabError.index('.tab'));
}
this._super();
},
onremove: function() {
this.changetracker('destroy');
this._super();
},
onmatch: function() {
this._super();
},
onunmatch: function() {
this._super();
},
redraw: function() {
if(window.debug) console.log('redraw', this.attr('class'), this.get(0));
// Force initialization of tabsets to avoid layout glitches
this.add(this.find('.cms-tabset')).redrawTabs();
this.find('.cms-content-header').redraw();
},
/**
* Function: _setupChangeTracker
*/
_setupChangeTracker: function() {
// Don't bind any events here, as we dont replace the
// full <form> tag by any ajax updates they won't automatically reapply
this.changetracker(this.getChangeTrackerOptions());
},
/**
* Function: confirmUnsavedChanges
*
* Checks the jquery.changetracker plugin status for this form,
* and asks the user for confirmation via a browser dialog if changes are detected.
* Doesn't cancel any unload or form removal events, you'll need to implement this based on the return
* value of this message.
*
* If changes are confirmed for discard, the 'changed' flag is reset.
*
* Returns:
* (Boolean) FALSE if the user wants to abort with changes present, TRUE if no changes are detected
* or the user wants to discard them.
*/
confirmUnsavedChanges: function() {
this.trigger('beforesubmitform');
if(!this.is('.changed')) {
return true;
}
var confirmed = confirm(ss.i18n._t('LeftAndMain.CONFIRMUNSAVED'));
if(confirmed) {
// confirm discard changes
this.removeClass('changed');
}
return confirmed;
},
/**
* Function: onsubmit
*
* Suppress submission unless it is handled through ajaxSubmit().
*/
onsubmit: function(e, button) {
// Only submit if a button is present.
// This supressed submits from ENTER keys in input fields,
// which means the browser auto-selects the first available form button.
// This might be an unrelated button of the form field,
// or a destructive action (if "save" is not available, or not on first position).
if(this.prop("target") != "_blank") {
if(button) this.closest('.cms-container').submitForm(this, button);
return false;
}
},
/**
* Function: validate
*
* Hook in (optional) validation routines.
* Currently clientside validation is not supported out of the box in the CMS.
*
* Todo:
* Placeholder implementation
*
* Returns:
* {boolean}
*/
validate: function() {
var isValid = true;
this.trigger('validate', {isValid: isValid});
return isValid;
},
/*
* Track focus on htmleditor fields
*/
'from .htmleditor': {
oneditorinit: function(e){
var self = this,
field = $(e.target).closest('.field.htmleditor'),
editor = field.find('textarea.htmleditor').getEditor().getInstance();
// TinyMCE 4 will add a focus event, but for now, use click
editor.onClick.add(function(e){
self.saveFieldFocus(field.attr('id'));
});
}
},
/*
* Track focus on inputs
*/
'from .cms-edit-form :input:not(:submit)': {
onclick: function(e){
this.saveFieldFocus($(e.target).attr('id'));
},
onfocus: function(e){
this.saveFieldFocus($(e.target).attr('id'));
}
},
/*
* Track focus on treedropdownfields.
*/
'from .cms-edit-form .treedropdown *': {
onfocusin: function(e){
var field = $(e.target).closest('.field.treedropdown');
this.saveFieldFocus(field.attr('id'));
}
},
/*
* Track focus on chosen selects
*/
'from .cms-edit-form .dropdown .chzn-container a': {
onfocusin: function(e){
var field = $(e.target).closest('.field.dropdown');
this.saveFieldFocus(field.attr('id'));
}
},
/*
* Restore fields after tabs are restored
*/
'from .cms-container': {
ontabstaterestored: function(e){
this.restoreFieldFocus();
}
},
/*
* Saves focus in Window session storage so it that can be restored on page load
*/
saveFieldFocus: function(selected){
if(typeof(window.sessionStorage)=="undefined" || window.sessionStorage === null) return;
var id = $(this).attr('id'),
focusElements = [];
focusElements.push({
id:id,
selected:selected
});
if(focusElements) {
try {
window.sessionStorage.setItem(id, JSON.stringify(focusElements));
} catch(err) {
if (err.code === DOMException.QUOTA_EXCEEDED_ERR && window.sessionStorage.length === 0) {
// If this fails we ignore the error as the only issue is that it
// does not remember the focus state.
// This is a Safari bug which happens when private browsing is enabled.
return;
} else {
throw err;
}
}
}
},
/**
* Set focus or window to previously saved fields.
* Requires HTML5 sessionStorage support.
*
* Must follow tab restoration, as reliant on active tab
*/
restoreFieldFocus: function(){
if(typeof(window.sessionStorage)=="undefined" || window.sessionStorage === null) return;
var self = this,
hasSessionStorage = (typeof(window.sessionStorage)!=="undefined" && window.sessionStorage),
sessionData = hasSessionStorage ? window.sessionStorage.getItem(this.attr('id')) : null,
sessionStates = sessionData ? JSON.parse(sessionData) : false,
elementID,
tabbed = (this.find('.ss-tabset').length !== 0),
activeTab,
elementTab,
toggleComposite,
scrollY;
if(hasSessionStorage && sessionStates.length > 0){
$.each(sessionStates, function(i, sessionState) {
if(self.is('#' + sessionState.id)){
elementID = $('#' + sessionState.selected);
}
});
// If the element IDs saved in session states don't match up to anything in this particular form
// that probably means we haven't encountered this form yet, so focus on the first input
if($(elementID).length < 1){
this.focusFirstInput();
return;
}
activeTab = $(elementID).closest('.ss-tabset').find('.ui-tabs-nav .ui-tabs-active .ui-tabs-anchor').attr('id');
elementTab = 'tab-' + $(elementID).closest('.ss-tabset .ui-tabs-panel').attr('id');
// Last focussed element differs to last selected tab, do nothing
if(tabbed && elementTab !== activeTab){
return;
}
toggleComposite = $(elementID).closest('.togglecomposite');
//Reopen toggle fields
if(toggleComposite.length > 0){
toggleComposite.accordion('activate', toggleComposite.find('.ui-accordion-header'));
}
//Calculate position for scroll
scrollY = $(elementID).position().top;
//Fall back to nearest visible element if hidden (for select type fields)
if(!$(elementID).is(':visible')){
elementID = '#' + $(elementID).closest('.field').attr('id');
scrollY = $(elementID).position().top;
}
//set focus to focus variable if element focusable
$(elementID).focus();
// Scroll fallback when element is not focusable
// Only scroll if element at least half way down window
if(scrollY > $(window).height() / 2){
self.find('.cms-content-fields').scrollTop(scrollY);
}
} else {
// If session storage is not supported or there is nothing stored yet, focus on the first input
this.focusFirstInput();
}
},
/**
* Skip if an element in the form is already focused. Exclude elements which specifically
* opt-out of this behaviour via "data-skip-autofocus". This opt-out is useful if the
* first visible field is shown far down a scrollable area, for example for the pagination
* input field after a long GridField listing.
*/
focusFirstInput: function() {
this.find(':input:not(:submit)[data-skip-autofocus!="true"]').filter(':visible:first').focus();
}
});
/**
* Class: .cms-edit-form .Actions :submit
*
* All buttons in the right CMS form go through here by default.
* We need this onclick overloading because we can't get to the
* clicked button from a form.onsubmit event.
*/
$('.cms-edit-form .Actions input.action[type=submit], .cms-edit-form .Actions button.action').entwine({
/**
* Function: onclick
*/
onclick: function(e) {
// Confirmation on delete.
if(
this.hasClass('gridfield-button-delete')
&& !confirm(ss.i18n._t('TABLEFIELD.DELETECONFIRMMESSAGE'))
) {
e.preventDefault();
return false;
}
if(!this.is(':disabled')) {
this.parents('form').trigger('submit', [this]);
}
e.preventDefault();
return false;
}
});
/**
* If we've a history state to go back to, go back, otherwise fall back to
* submitting the form with the 'doCancel' action.
*/
$('.cms-edit-form .Actions input.action[type=submit].ss-ui-action-cancel, .cms-edit-form .Actions button.action.ss-ui-action-cancel').entwine({
onclick: function(e) {
if (History.getStateByIndex(1)) {
History.back();
} else {
this.parents('form').trigger('submit', [this]);
}
e.preventDefault();
}
});
/**
* Hide tabs when only one is available.
* Special case is actiontabs - tabs between buttons, where we want to have
* extra options hidden within a tab (even if only one) by default.
*/
$('.cms-edit-form .ss-tabset').entwine({
onmatch: function() {
if (!this.hasClass('ss-ui-action-tabset')) {
var tabs = this.find("> ul:first");
if(tabs.children("li").length == 1) {
tabs.hide().parent().addClass("ss-tabset-tabshidden");
}
}
this._super();
},
onunmatch: function() {
this._super();
}
});
});
}(jQuery));