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LeftAndMain.EditForm.js
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LeftAndMain.EditForm.js
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/**
* File: LeftAndMain.EditForm.js
*/
(function($) {
// Can't bind this through jQuery
window.onbeforeunload = function(e) {
var form = $('.cms-edit-form');
form.trigger('beforesave');
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'
},
/**
* Constructor: onmatch
*/
onmatch: 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')
// focus input on first form element. 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.
this.find(':input:visible:not(:submit)[data-skip-autofocus!="true"]:first').focus();
// 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')) {
// TODO validation shouldnt need a special case
statusMessage(ss.i18n._t('ModelAdmin.VALIDATIONERROR', 'Validation Error'), 'bad');
}
// Move navigator to preview if one is available.
// If not, just leave the links in the form.
var previewEl = $('.cms-preview');
if(previewEl.length) {
// TODO Relies on DOM element order (the second .cms-navigator is the "old" one)
previewEl.find('.cms-preview-controls').html(this.find('.cms-navigator').detach());
}
this._super();
},
onunmatch: function() {
this._super();
},
redraw: function() {
// Force initialization of tabsets to avoid layout glitches
this.add(this.find('.cms-tabset')).redrawTabs();
this.find('.cms-content-header').redraw();
var approxWidth = $('.cms-container').width() - $('.cms-menu').width();
this.find('.cms-content-actions').width(approxWidth).height('auto');
this.layout();
},
/**
* 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.
*
* 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('beforesave');
return (this.is('.changed')) ? confirm(ss.i18n._t('LeftAndMain.CONFIRMUNSAVED')) : true;
},
/**
* 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(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;
}
});
/**
* 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) {
this.parents('form').trigger('submit', [this]);
e.preventDefault();
return false;
}
});
/**
* Hide tabs when only one is available
*/
$('.cms-edit-form .ss-tabset').entwine({
onmatch: function() {
var tabs = this.find("ul:first").children('li');
if(tabs.length == 1) this.find('ul:first').hide();
this._super();
},
onunmatch: function() {
this._super();
}
});
});
}(jQuery));