mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-10-22 08:05:56 +02:00
382 lines
11 KiB
JavaScript
382 lines
11 KiB
JavaScript
/**
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* File: LeftAndMain.EditForm.js
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*/
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(function($) {
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$.entwine('ss', function($){
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/**
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* Class: #Form_EditForm
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*
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* Base edit form, provides ajaxified saving
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* and reloading itself through the ajax return values.
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* Takes care of resizing tabsets within the layout container.
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* @name ss.Form_EditForm
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* @require jquery.changetracker
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*
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* Events:
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* ajaxsubmit - Form is about to be submitted through ajax
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* validate - Contains validation result
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* removeform - A form is about to be removed from the DOM
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* load - Form is about to be loaded through ajax
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*/
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$('#Form_EditForm').entwine(/** @lends ss.Form_EditForm */{
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/**
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* Variable: PlaceholderHtml
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* (String_ HTML text to show when no form content is chosen.
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* Will show inside the <form> tag.
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*/
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PlaceholderHtml: '',
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/**
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* Variable: ChangeTrackerOptions
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* (Object)
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*/
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ChangeTrackerOptions: {},
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/**
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* Constructor: onmatch
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*/
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onmatch: function() {
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var self = this;
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this._setupChangeTracker();
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// Can't bind this through jQuery
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window.onbeforeunload = function(e) {return self._checkChangeTracker(false);};
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this._super();
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},
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/**
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* Function: _setupChangeTracker
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*/
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_setupChangeTracker: function() {
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// Don't bind any events here, as we dont replace the
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// full <form> tag by any ajax updates they won't automatically reapply
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this.changetracker(this.getChangeTrackerOptions());
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},
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/**
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* Function: _checkChangeTracker
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*
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* Checks the jquery.changetracker plugin status for this form.
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* Usually bound to window.onbeforeunload.
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*
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* Parameters:
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* {boolean} isUnloadEvent - ..
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*
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* Returns:
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* (String) Either a string with a confirmation message, or the result of a confirm() dialog,
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* based on the isUnloadEvent parameter.
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*/
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_checkChangeTracker: function(isUnloadEvent) {
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var self = this;
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// @todo TinyMCE coupling
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if(typeof tinyMCE != 'undefined') tinyMCE.triggerSave();
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// check for form changes
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if(self.is('.changed')) {
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// returned string will trigger a confirm() dialog,
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// but only if the method is triggered by an event
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if(isUnloadEvent) {
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return confirm(ss.i18n._t('LeftAndMain.CONFIRMUNSAVED'));
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} else {
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return ss.i18n._t('LeftAndMain.CONFIRMUNSAVEDSHORT');
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}
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}
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},
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/**
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* Function: onsubmit
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*
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* Suppress submission unless it is handled through ajaxSubmit().
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*/
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onsubmit: function(e) {
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this.ajaxSubmit();
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return false;
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},
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/**
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* Function: ajaxSubmit
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*
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* Parameters:
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* {DOMElement} button - The pressed button (optional)
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* {Function} callback - Called in complete() handler of jQuery.ajax()
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* {Object} ajaxOptions - Object literal to merge into $.ajax() call
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* {boolean} loadResponse - Render response through _loadResponse() (Default: true)
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*
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* Returns:
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* (boolean)
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*/
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ajaxSubmit: function(button, callback, ajaxOptions, loadResponse) {
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var self = this;
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// look for save button
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if(!button) button = this.find('.Actions :submit[name=action_save]');
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// default to first button if none given - simulates browser behaviour
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if(!button) button = this.find('.Actions :submit:first');
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this.trigger('ajaxsubmit', {button: button});
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// set button to "submitting" state
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$(button).addClass('loading');
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// @todo TinyMCE coupling
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if(typeof tinyMCE != 'undefined') tinyMCE.triggerSave();
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// validate if required
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if(!this.validate()) {
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// TODO Automatically switch to the tab/position of the first error
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statusMessage("Validation failed.", "bad");
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$(button).removeClass('loading');
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return false;
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}
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// save tab selections in order to reconstruct them later
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var selectedTabs = [];
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this.find('.ss-tabset').each(function(i, el) {
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if($(el).attr('id')) selectedTabs.push({id:$(el).attr('id'), selected:$(el).tabs('option', 'selected')});
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});
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// get all data from the form
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var formData = this.serializeArray();
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// add button action
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formData.push({name: $(button).attr('name'), value:'1'});
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jQuery.ajax(jQuery.extend({
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url: this.attr('action'),
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data: formData,
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type: 'POST',
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complete: function(xmlhttp, status) {
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$(button).removeClass('loading');
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// TODO This should be using the plugin API
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self.removeClass('changed');
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if(callback) callback(xmlhttp, status);
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// pass along original form data to enable old/new comparisons
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if(loadResponse !== false) {
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self._loadResponse(xmlhttp.responseText, status, xmlhttp, formData);
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}
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// re-select previously saved tabs
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$.each(selectedTabs, function(i, selectedTab) {
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self.find('#' + selectedTab.id).tabs('select', selectedTab.selected);
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});
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},
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dataType: 'html'
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}, ajaxOptions));
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return false;
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},
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/**
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* Function: validate
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*
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* Hook in (optional) validation routines.
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* Currently clientside validation is not supported out of the box in the CMS.
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*
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* Todo:
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* Placeholder implementation
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*
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* Returns:
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* {boolean}
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*/
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validate: function() {
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var isValid = true;
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this.trigger('validate', {isValid: isValid});
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return isValid;
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},
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/**
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* Function: loadForm
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*
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* Parameters:
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* (String) url - ..
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* (Function) callback - (Optional) Called after the form content as been loaded
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* (Object) ajaxOptions - Object literal merged into the jQuery.ajax() call (Optional)
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*
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* Returns:
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* (XMLHTTPRequest)
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*/
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loadForm: function(url, callback, ajaxOptions) {
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var self = this;
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// Alert when unsaved changes are present
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if(this._checkChangeTracker(true) == false) return false;
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// hide existing form - shown again through _loadResponse()
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this.addClass('loading');
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this.trigger('load', {url: url});
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this.cleanup();
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return jQuery.ajax(jQuery.extend({
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url: url,
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complete: function(xmlhttp, status) {
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// TODO This should be using the plugin API
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self.removeClass('changed');
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self._loadResponse(xmlhttp.responseText, status, xmlhttp);
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self.removeClass('loading');
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if(callback) callback.apply(self, arguments);
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},
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dataType: 'html'
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}, ajaxOptions));
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},
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/**
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* Function: removeForm
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*
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* Remove everying inside the <form> tag
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* with a custom HTML fragment. Useful e.g. for deleting a page in the CMS.
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* Checks for unsaved changes before removing the form
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*
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* Parameters:
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* {String} placeholderHtml - Short note why the form has been removed, displayed in <p> tags.
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* Falls back to the default RemoveText() option (Optional)
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*/
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removeForm: function(placeholderHtml) {
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if(!placeholderHtml) placeholderHtml = this.getPlaceholderHtml();
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// Alert when unsaved changes are present
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if(this._checkChangeTracker(true) == false) return;
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this.trigger('removeform');
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this.html(placeholderHtml);
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// TODO This should be using the plugin API
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this.removeClass('changed');
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},
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/**
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* Function: cleanup
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*
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* Remove all the currently active TinyMCE editors.
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* Note: Everything that calls this externally has an inappropriate coupling to TinyMCE.
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*/
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cleanup: function() {
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if((typeof tinymce != 'undefined') && tinymce.EditorManager) {
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var id;
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for(id in tinymce.EditorManager.editors) {
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tinymce.EditorManager.editors[id].remove();
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}
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tinymce.EditorManager.editors = {};
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}
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},
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/**
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* Function: _loadResponse
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*
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* Parameters:
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* {String} data - Either HTML for straight insertion, or eval'ed JavaScript.
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* If passed as HTML, it is assumed that everying inside the <form> tag is replaced,
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* but the old <form> tag itself stays intact.
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* {String} status
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* {XMLHTTPRequest} xmlhttp - ..
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* {Array} origData - The original submitted data, useful to do comparisons of changed
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* values in new form output, e.g. to detect a URLSegment being changed on the serverside.
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* Array in jQuery serializeArray() notation.
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*/
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_loadResponse: function(data, status, xmlhttp, origData) {
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if(status == 'success') {
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this.cleanup();
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var html = data;
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// Rewrite # links
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html = html.replace(/(<a[^>]+href *= *")#/g, '$1' + window.location.href.replace(/#.*$/,'') + '#');
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// Rewrite iframe links (for IE)
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html = html.replace(/(<iframe[^>]*src=")([^"]+)("[^>]*>)/g, '$1' + $('base').attr('href') + '$2$3');
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// Prepare iframes for removal, otherwise we get loading bugs
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this.find('iframe').each(function() {
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this.contentWindow.location.href = 'about:blank';
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$(this).remove();
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});
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// update form content
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if(html) {
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this.html(html);
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} else {
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this.removeForm();
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}
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// @todo Coupling to avoid FOUC (entwine applies to late)
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this.find('.ss-tabset').tabs();
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this._setupChangeTracker();
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// Optionally get the form attributes from embedded fields, see Form->formHtmlContent()
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for(var overrideAttr in {'action':true,'method':true,'enctype':true,'name':true}) {
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var el = this.find(':input[name='+ '_form_' + overrideAttr + ']');
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if(el) {
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this.attr(overrideAttr, el.val());
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el.remove();
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}
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}
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Behaviour.apply(); // refreshes ComplexTableField
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// focus input on first form element
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this.find(':input:visible:first').focus();
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this.trigger('loadnewpage', {data: data, origData: origData});
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}
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// set status message based on response
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var _statusMessage = (xmlhttp.getResponseHeader('X-Status')) ? xmlhttp.getResponseHeader('X-Status') : xmlhttp.statusText;
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if(this.hasClass('validationerror')) {
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// TODO validation shouldnt need a special case
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statusMessage(ss.i18n._t('ModelAdmin.VALIDATIONERROR', 'Validation Error'), 'bad');
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}
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}
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});
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/**
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* Class: #Form_EditForm .Actions :submit
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*
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* All buttons in the right CMS form go through here by default.
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* We need this onclick overloading because we can't get to the
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* clicked button from a form.onsubmit event.
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*/
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$('#Form_EditForm .Actions :submit').entwine({
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/**
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* Function: onclick
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*/
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onclick: function(e) {
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jQuery('#Form_EditForm').entwine('ss').ajaxSubmit(this);
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return false;
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}
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});
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/**
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* Class: #Form_EditForm textarea.htmleditor
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*
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* Add tinymce to HtmlEditorFields within the CMS.
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*/
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$('#Form_EditForm textarea.htmleditor').entwine({
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/**
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* Constructor: onmatch
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*/
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onmatch : function() {
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tinyMCE.execCommand("mceAddControl", true, this.attr('id'));
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this.isChanged = function() {
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return tinyMCE.getInstanceById(this.attr('id')).isDirty();
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};
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this.resetChanged = function() {
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var inst = tinyMCE.getInstanceById(this.attr('id'));
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if (inst) inst.startContent = tinymce.trim(inst.getContent({format : 'raw', no_events : 1}));
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};
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}
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});
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});
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}(jQuery)); |