silverstripe-reports/javascript/LeftAndMain.EditForm.js
Ingo Schommer 41c1c49dfe ENHANCEMENT Better response handling in LeftAndMain.EditForm
BUGFIX Fixed event cancellation in LeftAndMain.EditForm javascript buttons

git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@92672 467b73ca-7a2a-4603-9d3b-597d59a354a9
2009-11-21 02:39:06 +00:00

219 lines
6.5 KiB
JavaScript

(function($) {
/**
* @class Base edit form, provides ajaxified saving
* and reloading itself through the ajax return values.
* Takes care of resizing tabsets within the layout container.
* @name ss.Form_EditForm
*/
$('#Form_EditForm').concrete('ss',function($){
return/** @lends ss.Form_EditForm */{
/**
* @type String HTML text to show when the form has been deleted.
* @todo i18n
*/
RemoveHtml: 'Removed',
onmatch: function() {
// Don't bind any events here, as we dont replace the
// full <form> tag by any ajax updates they won't automatically reapply
_super();
},
/**
* Suppress submission unless it is handled through ajaxSubmit()
*/
onsubmit: function(e) {
return false;
},
/**
* @param {DOMElement} button The pressed button (optional)
*/
ajaxSubmit: function(button) {
// default to first button if none given - simulates browser behaviour
if(!button) button = this.find(':submit:first');
var self = this;
this.trigger('ajaxsubmit', {button: button});
// set button to "submitting" state
$(button).addClass('loading');
// @todo TinyMCE coupling
if(typeof tinyMCE != 'undefined') tinyMCE.triggerSave();
// validate if required
if(!this.validate()) {
// TODO Automatically switch to the tab/position of the first error
statusMessage("Validation failed.", "bad");
$(button).removeClass('loading');
return false;
}
// get all data from the form
var formData = this.serializeArray();
// add button action
formData.push({name: $(button).attr('name'), value:'1'});
$.ajax({
url: this.attr('action'),
data: formData,
type: 'POST',
complete: function(xmlhttp, status) {
$(button).removeClass('loading');
// pass along original form data to enable old/new comparisons
self._loadResponse(xmlhttp.responseText, status, xmlhttp, formData);
},
dataType: 'html'
});
return false;
},
/**
* Hook in (optional) validation routines.
* Currently clientside validation is not supported out of the box in the CMS.
*
* @todo Placeholder implementation
*
* @return {boolean}
*/
validate: function() {
var isValid = true;
this.trigger('validate', {isValid: isValid});
return isValid;
},
/**
* @param String url
* @param Function callback (Optional)
*/
load: function(url, callback) {
var self = this;
$.ajax({
url: url,
complete: function(xmlhttp, status) {
self._loadResponse(xmlhttp.responseText, status, xmlhttp);
if(callback) callback.apply(self, arguments);
},
dataType: 'html'
});
},
/**
* Remove everying inside the <form> tag
* with a custom HTML fragment. Useful e.g. for deleting a page in the CMS.
*
* @param {String} removeText Short note why the form has been removed, displayed in <p> tags.
* Falls back to the default RemoveText() option (Optional)
*/
removeForm: function(removeText) {
if(!removeText) removeText = this.RemoveText();
this.html('<p>' + removeText + '</p>');
},
/**
* Remove all the currently active TinyMCE editors.
* Note: Everything that calls this externally has an inappropriate coupling to TinyMCE.
*/
cleanup: function() {
if((typeof tinymce != 'undefined') && tinymce.EditorManager) {
var id;
for(id in tinymce.EditorManager.editors) {
tinymce.EditorManager.editors[id].remove();
}
tinymce.EditorManager.editors = {};
}
},
/**
* @param {String} data Either HTML for straight insertion, or eval'ed JavaScript.
* If passed as HTML, it is assumed that everying inside the <form> tag is replaced,
* but the old <form> tag itself stays intact.
* @param {String} status
* @param {XMLHTTPRequest} xmlhttp
* @param {Array} origData The original submitted data, useful to do comparisons of changed
* values in new form output, e.g. to detect a URLSegment being changed on the serverside.
* Array in jQuery serializeArray() notation.
*/
_loadResponse: function(data, status, xmlhttp, origData) {
if(status == 'success') {
this.cleanup();
var html = data;
// 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');
// Prepare iframes for removal, otherwise we get loading bugs
this.find('iframe').each(function() {
this.contentWindow.location.href = 'about:blank';
this.remove();
});
// update form content
if(html) {
this.html(html);
} else {
this.removeForm();
}
// 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();
}
}
Behaviour.apply(); // refreshes ComplexTableField
// focus input on first form element
this.find(':input:visible:first').focus();
this.trigger('loadnewpage', {data: data, origData: origData});
}
// set status message based on response
var _statusMessage = (xmlhttp.getResponseHeader('X-Status')) ? xmlhttp.getResponseHeader('X-Status') : xmlhttp.statusText;
if(this.hasClass('validationerror')) {
// TODO validation shouldnt need a special case
statusMessage(ss.i18n._t('ModelAdmin.VALIDATIONERROR', 'Validation Error'), 'bad');
} else {
statusMessage(_statusMessage, (xmlhttp.status >= 400) ? 'bad' : 'good');
}
}
};
});
/**
* @class 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.
* @name ss.Form_EditForm.Actions.submit
*/
$('#Form_EditForm .Actions :submit').concrete('ss', function($){
return/** @lends ss.Form_EditForm.Actions.submit */{
onmatch: function() {
var self = this;
// TODO Fix once concrete library is updated
this.bind('click', function(e) {return self.clickFake(e);});
},
clickFake: function(e) {
$(this[0].form).concrete('ss').ajaxSubmit(this);
return false;
}
};
});
}(jQuery));