279 lines
9.4 KiB
JavaScript
279 lines
9.4 KiB
JavaScript
(function($) {
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$.entwine('ss', function($){
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/**
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* The "content" area contains all of the section specific UI (excluding the menu).
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* This area can be a form itself, as well as contain one or more forms.
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* For example, a page edit form might fill the whole area,
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* while a ModelAdmin layout shows a search form on the left, and edit form on the right.
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*/
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$('.cms-content').entwine({
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onmatch: function() {
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var self = this;
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// Listen to tree selection events
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this.find('.cms-tree').bind('select_node.jstree', function(e, data) {
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var node = data.rslt.obj, loadedNodeID = self.find(':input[name=ID]').val(), origEvent = data.args[2];
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// Don't trigger unless coming from a click event.
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// Avoids problems with automated section switches from tree to detail view
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// when JSTree auto-selects elements on first load.
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if(!origEvent) {
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return false;
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}else if($(origEvent.target).hasClass('jstree-icon') || $(origEvent.target).hasClass('jstree-pageicon')){
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// in case the click is not on the node title, ie on pageicon or dragicon,
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return false;
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}
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// Don't allow checking disabled nodes
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if($(node).hasClass('disabled')) return false;
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// Don't allow reloading of currently selected node,
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// mainly to avoid doing an ajax request on initial page load
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if($(node).data('id') == loadedNodeID) return;
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var url = $(node).find('a:first').attr('href');
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if(url && url != '#') {
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if($(node).find('a:first').is(':internal')) url = $('base').attr('href') + url;
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$('.cms-container').loadPanel(url);
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} else {
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self.removeForm();
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}
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});
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// Force initialization of tabsets to avoid layout glitches
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this.find('.ss-tabset').redrawTabs();
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this._super();
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},
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redraw: function() {
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// Force initialization of tabsets to avoid layout glitches
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this.add(this.find('.ss-tabset')).redrawTabs();
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this.layout();
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},
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/**
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* Function: loadForm
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*
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* See $('.cms-container').loadPanel() on a frequently used alternative
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* to direct ajax loading of content, with support for the window.History object.
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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, form, callback, ajaxOptions) {
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var self = this;
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if(!form || !form.length) {
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var form = $('.cms-content-fields form:first', self);
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if(form.length == 0) form = $('.cms-content-fields').parents("form").eq(0);
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}
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// Alert when unsaved changes are present
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if(!form.confirmUnsavedChanges()) return false;
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// hide existing form - shown again through _loadResponse()
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form.addClass('loading');
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this.trigger('loadform', {form: form, url: url});
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return jQuery.ajax(jQuery.extend({
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url: url,
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// Ensure that form view is loaded (rather than whole "Content" template)
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data: {'cms-view-form': 1},
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complete: function(xmlhttp, status) {
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self.loadForm_responseHandler(form, xmlhttp.responseText, status, xmlhttp);
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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: loadForm_responseHandler
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*
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* Loads the response into the DOM provided. Assumes oldForm is contains
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* the form tag to replace. If oldForm isn't present in the DOM, such as
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* if this form is only shown after click, append the whole form.
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*
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* Parameters:
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* (String) oldForm - HTML or eval'd javascript
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* (String) html - HTML to replace oldForm
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* (String) status
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* (XMLHTTPRequest) xmlhttp
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*/
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loadForm_responseHandler: function(oldForm, html, status, xmlhttp) {
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if(oldForm.length > 0) {
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oldForm.replaceWith(html); // triggers onmatch() on form
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}
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else {
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$('.cms-content').append(html);
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}
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// redraw the layout.
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jQuery('.cms-container').entwine('ss').redraw();
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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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},
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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 $.ajax() call
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* {boolean} loadResponse - Render response through _loadResponse() (Default: true)
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*
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* Returns:
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* (boolean)
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*/
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submitForm: function(form, button, callback, ajaxOptions, loadResponse) {
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var self = this;
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// look for save button
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if(!button) button = this.find('.Actions :submit[name=action_save]');
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// default to first button if none given - simulates browser behaviour
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if(!button) button = this.find('.Actions :submit:first');
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form.trigger('beforesave');
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this.trigger('submitform', {form: form, button: button});
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// set button to "submitting" state
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$(button).addClass('loading');
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// validate if required
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if(!form.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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$(button).removeClass('loading');
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return false;
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}
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// save tab selections in order to reconstruct them later
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var selectedTabs = [];
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form.find('.ss-tabset').each(function(i, el) {
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if($(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 = form.serializeArray();
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// add button action
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formData.push({name: $(button).attr('name'), value:'1'});
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jQuery.ajax(jQuery.extend({
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url: form.attr('action'),
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data: formData,
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type: 'POST',
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complete: function(xmlhttp, status) {
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$(button).removeClass('loading');
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// TODO This should be using the plugin API
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form.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.submitForm_responseHandler(form, xmlhttp.responseText, status, xmlhttp, formData);
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}
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// Re-init tabs (in case the form tag itself is a tabset)
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if(self.hasClass('ss-tabset')) self.removeClass('ss-tabset').addClass('ss-tabset');
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// re-select previously saved tabs
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$.each(selectedTabs, function(i, selectedTab) {
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form.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: _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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submitForm_responseHandler: function(oldForm, data, status, xmlhttp, origData) {
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if(status == 'success') {
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var form = this.replaceForm(oldForm, data);
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if(typeof(Behaviour) != 'undefined') Behaviour.apply(); // refreshes ComplexTableField
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this.trigger('reloadeditform', {form: form, origData: origData, xmlhttp: xmlhttp});
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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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},
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/**
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* @return {jQuery} New form element
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*/
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replaceForm: function(form, html) {
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if(html) {
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var parent = form.parent(), id = form.attr('id');
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form.replaceWith(html);
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// Try to get the new form by ID (assuming they're identical), otherwise fall back to the first form in the parent
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return id ? $('#' + id) : parent.children('form:first');
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} else {
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this.removeForm(form);
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return null;
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}
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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(form, 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(!form.confirmUnsavedChanges()) 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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});
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$('.cms-content.loading,.cms-edit-form.loading').entwine({
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onmatch: function() {
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this.append('<div class="cms-content-loading-overlay ui-widget-overlay-light"></div><div class="cms-content-loading-spinner"></div>');
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},
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onunmatch: function() {
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this.find('.cms-content-loading-overlay,.cms-content-loading-spinner').remove();
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}
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});
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})(jQuery); |