angularjs ckeditor directive sometimes fails to load data from a service - angularjs

Question

I used Vojta's angularJS directive but sometimes ckeditor would fail to display the data from a service. This almost never happened on a refresh, but often happened when navigating back to the page. I was able to verify that the $render function was always calling ck.setData with the correct data, but sometimes it would not display.

Answer 1

It appears that the $render method was sometimes called before ckeditor was ready. I was able to resolve this by adding a listener to the instanceReady event to make sure that it was called at least once after ckeditor was ready.
ck.on('instanceReady', function() {
ck.setData(ngModel.$viewValue);
});
In the interest of completeness, here is the complete directive that I used.
//Directive to work with the ckeditor
//See http://stackoverflow.com/questions/11997246/bind-ckeditor-value-to-model-text-in-angularjs-and-rails
app.directive('ckEditor', function() {
return {
require: '?ngModel',
link: function(scope, elm, attr, ngModel) {
var ck = CKEDITOR.replace(elm[0],
{
toolbar_Full:
[
{ name: 'document', items : [] },
{ name: 'clipboard', items : [ 'Cut','Copy','Paste','PasteText','PasteFromWord','-','Undo','Redo' ] },
{ name: 'editing', items : [ 'Find','Replace','-','SpellChecker', 'Scayt' ] },
{ name: 'forms', items : [] },
{ name: 'basicstyles', items : [ 'Bold','Italic','Underline','Strike','Subscript','Superscript' ] },
{ name: 'paragraph', items : [
'NumberedList','BulletedList','-','JustifyLeft','JustifyCenter','JustifyRight','JustifyBlock' ] },
{ name: 'links', items : [] },
{ name: 'insert', items : [ 'SpecialChar' ] },
'/',
{ name: 'styles', items : [ 'Styles','Format','Font','FontSize' ] },
{ name: 'colors', items : [] },
{ name: 'tools', items : [ 'Maximize' ] }
]
,
height: '290px',
width: '99%'
}
);
if (!ngModel) return;
//loaded didn't seem to work, but instanceReady did
//I added this because sometimes $render would call setData before the ckeditor was ready
ck.on('instanceReady', function() {
ck.setData(ngModel.$viewValue);
});
ck.on('pasteState', function() {
scope.$apply(function() {
ngModel.$setViewValue(ck.getData());
});
});
ngModel.$render = function(value) {
ck.setData(ngModel.$viewValue);
};
}
};
});

Answer 2

function updateModel() {
scope.$apply(function() {
if ( ck.getData().length ) {
ngModel.$setViewValue(ck.getData());
}
});
}
see full code:
return {
require: '?ngModel',
scope: true,
link: function (scope, element, attr, ngModel) {
if (!ngModel) return;
var ck = CKEDITOR.replace(element[0]);
ck.on('instanceReady', function() {
ck.setData(ngModel.$viewValue);
});
function updateModel() {
scope.$apply(function() {
if ( ck.getData().length ) {
ngModel.$setViewValue(ck.getData());
}
});
}
ck.on('pasteState', updateModel);
ck.on('change', updateModel);
ck.on('key', updateModel);
ck.on('dataReady', updateModel);
ngModel.$render = function() {
ck.setData(ngModel.$modelValue);
};
}
}

Answer 3

I also meet this issue
And when i found a new directive. It works well for me!!!
Please try this:
return {
require: '?ngModel',
scope: true,
link: function (scope, element, attr, ngModel) {
if (!ngModel) return;
var ck = CKEDITOR.replace(element[0]);
ck.on('instanceReady', function() {
ck.setData(ngModel.$viewValue);
});
function updateModel() {
scope.$apply(function() {
if ( ck.getData().length ) {
ngModel.$setViewValue(ck.getData());
}
});
}
ck.on('pasteState', updateModel);
ck.on('change', updateModel);
ck.on('key', updateModel);
ck.on('dataReady', updateModel);
ngModel.$render = function() {
ck.setData(ngModel.$modelValue);
};
}
};