I want to change checkbox value by jQuery, but Knockout bindings not working
var viewModel = {
myValue: ko.observable(true)
};
ko.applyBindings(viewModel);
$(':checkbox').prop({checked: false}).change();
http://jsfiddle.net/stereodenis/n7zxvu01/3/
It is described in the Knockout.js documentation: checked binding.
<p>Send me spam: <input type="checkbox" data-bind="checked: wantsSpam" /></p>
<script type="text/javascript">
var viewModel = {
wantsSpam: ko.observable(true) // Initially checked
};
// ... then later ...
viewModel.wantsSpam(false); // The checkbox becomes unchecked
</script>
Related
I'm trying to get the value of the attribute data-time-start when I click on the span.
My FIDDLE : http://jsfiddle.net/zagloo/7hvrxw2c/20/
HTML :
<textarea id="editor1"> <span class="sub" id="sub1" data-time-start="0">Hello </span>
<span class="sub" id="sub2" data-time-start="2">My </span>
<span class="sub" id="sub3" data-time-start="6">Name </span>
<span class="sub" id="sub4" data-time-start="8">Is </span>
<span class="sub" id="sub5" data-time-start="12">Zoob</span>
</textarea>
My JS:
var textarea;
$(document).ready(function () {
textarea = $('#ckeditor_block').find('textarea').attr('id');
ckeditor_init();
});
function ckeditor_init() {
CKEDITOR.replace(textarea, {
language: 'fr',
allowedContent: true
});
}
I tried with this:
CKEDITOR.on('click', function (e) {
var element = $(e.target);
console.log(element);
var cursor = element.data("timeStart");
console.log(cursor);
});
But nothing appened ...
How to do that please ? thank you !!
You can't (or better you shouldn't) use the default jQuery event/element handling in this case, because the CKEditor comes with its very own event/ element system.
Update: Based on the comments below, to avoid CKEditor's quirky behaviour, it is better to use attachListener instead of jQuery's 'on' to bind an event listener
Step one: Bind the click event:
var editorInstance = CKEDITOR.instances['editor1'];
editorInstance.on('contentDom', function() {
editorInstance.editable().attachListener(
this.document,
'click',
function( event ) {
// execute the code here
}
);
});
Step two: Find and access the data attribute:
var editorInstance = CKEDITOR.instances['editor1'];
editorInstance.on('contentDom', function() {
editorInstance.editable().attachListener(
this.document,
'click',
function( event ) {
/* event is an object containing a property data
of type CKEDITOR.dom.event, this object has a
method to receive the DOM target, which finally has
a data method like the jQuery data method */
event.data.getTarget().data('time-start');
}
);
});
For more info check the CKEditor docs.
Updated fiddle is here
I have 2 Form.Request in 2 functions that are executed on 2 different buttons clicks
here is fiddle
http://jsfiddle.net/RtxXe/38/
seems like I did not set the events in right order in my functions since they are mixing up the responses. if you hit Clear cache and than Send you still get response from clear cache and vice versa. Unless you reload the page and click again you cant get the right response for each button as it should be .
Since this is not my original form and *I can only change it with js * , i added the clear cache button with new Element. I cant figure out as to why is this happening and any help is appreciated.
this is original html:
<div id="toolbar">
<ul>
<li id="adminsubmit">Send</li>
</ul>
</div>
<div id="response"></div>
<form action="http://www.scoobydoo.com/cgi-bin/scoobysnack" method="post" name="editform" id="myform">
<fieldset>
<!-- form elements go here -->
</fieldset>
<input type="hidden" name="task" value="">
</form>
and here is js:
var AdminForm = {
start: function() {
var toolbar = $$('#toolbar ul');
var addbtn2 = new Element('li', {
'id': 'cache',
'class': 'button',
html: 'Clear Cache'
});
addbtn2.inject(toolbar[0], 'top');
var btn1 = $('adminsubmit').getElement('a');
var btn2 = $('cache').getElement('a');
btn1.addEvent('click', function(event) {
event.preventDefault ? event.preventDefault() : event.returnValue = false;
AdminForm.formChange();
});
btn2.addEvent('click', function(event) {
event.preventDefault ? event.preventDefault() : event.returnValue = false;
AdminForm.clearCache();
});
},
formChange: function() {
var adminform = $('myform');
var target = $('response');
var adminsend = new Form.Request(adminform, target, {
onSend: function() {
target.set('html', 'formChange sending');
},
onComplete: function() {
target.set('html', 'formChange sent');
}
});
adminsend.send();
},
clearCache: function() {
var adminform = $('myform');
var target = $('response');
var clearingcahe = new Form.Request(adminform, target, {
onSend: function() {
target.set('html', 'clearCache sending');
},
onComplete: function() {
target.set('html', 'clearCache sent');
}
});
clearingcahe.send();
}
}
window.addEvent('domready', AdminForm.start);
The Form.Request in Mootools inherits Class.Occlude, see http://mootools.net/docs/more/Class/Class.Occlude
But the Class.Occlude will prevent that several Objects are created and applied to the same DOM Element. That is, it works like a singleton, so the first time you do new Form.Request(adminform, ...) it will return a new instance of Form.Request.
However, the second time you call new Form.Request(adminform, ...) the previous object will be returned instead.
Your fiddle actually demonstrates this very good, because the first one that is clicked of "Clear Cache" or "Send" will be the one that initiates the object. The second time it will discard your options and just return the old object.
So there are two ways to solve this:
Create the Form.Request but don't set the event handlers through the options but through
adminsend.removeEvents('complete'); adminsend.addEvent('complete', ....)
Don't forget to remove the old event handlers before applying the new! otherwise you will just apply more and more eventhandlers.
There are two "buttons" so make two forms, which would be much more semantically correct as well.
Im trying to create a from using asp.net mvc3.
I have a dropdownlist with some options.
What i want is different partial views to be injected into the page, depending on the selection in the dropdown list.
But. i dont want this to rely on a submit action. It should function so that, the partial view is loaded as soon as you select from the select list.
I have this code:
#using (Ajax.BeginForm("Create_AddEntity", new AjaxOptions {
UpdateTargetId = "entity_attributes",
InsertionMode = InsertionMode.Replace
}
))
{
<div class="editor-label">
#Html.Label("Type")
</div>
<div class="editor-field">
#Html.DropDownList("EntityTypeList", (SelectList)ViewData["Types"])
</div>
<div id="entity_attributes"></div>
<p>
<input type="submit" value="Create" />
</p>
}
But I can't figure out how to trigger this partial view load when the dropdown list selection changes.
This point is that the form is different for the different "entity types". so there will be loaded a different partial view, depending on the dropdown selection.
Anyone got any pointers?
Let's say following is your view that you want to insert your partial.
<html>
<head><head>
<body>
<!-- Some stuff here. Dropdown and so on-->
....
<!-- Place where you will insert your partial -->
<div id="partialPlaceHolder" style="display:none;"> </div>
</body>
</html>
On the change event of your dropdownlist, get partial via jquery ajax call and load it to place holder.
/* This is change event for your dropdownlist */
$('#myDropDown').change( function() {
/* Get the selected value of dropdownlist */
var selectedID = $(this).val();
/* Request the partial view with .get request. */
$.get('/Controller/MyAction/' + selectedID , function(data) {
/* data is the pure html returned from action method, load it to your page */
$('#partialPlaceHolder').html(data);
/* little fade in effect */
$('#partialPlaceHolder').fadeIn('fast');
});
});
And in your controller action which is /Controller/MyActionin above jquery, return your partial view.
//
// GET: /Controller/MyAction/{id}
public ActionResult MyAction(int id)
{
var partialViewModel = new PartialViewModel();
// TODO: Populate the model (viewmodel) here using the id
return PartialView("_MyPartial", partialViewModel );
}
add the following code to the header of the project (layout).
Add "combobox" to any combo box (select box) which you want to trigger the form that is surrounding it.
$(document).ready(function () {
$('.formcombo').change(function () {
/* submit the parent form */
$(this).parents("form").submit();
});
});
I have the following code on a view:
#using (Html.BeginForm()) {
<div class="select-box form">
<p>
<strong>Select transcript name to view:</strong>
#Html.DropDownList("license", (SelectList)ViewBag.Licenses, new { onchange = "this.form.submit();" })
</p>
</div>
<div class="select-box form">
<p>
<strong>You may have multiple periods for each transcript name:</strong>
#Html.DropDownList("period", (SelectList)ViewBag.Periods, new { onchange = "this.form.submit();" })
</p>
</div>
}
I need to implement some logic depending on which dropdown cause the postback. I'm thinking to add a hidden input and set value of the control name by jQuery before submit the form, but I'm wondering if there is a 'native' way to do this.
This is my controller signature:
public ActionResult Checklist(int license, int period)
Thanks in advance!
I would apply a class to the dropdown so that my jQuery can use that as the selector criteria
#Html.DropDownList("license", (SelectList)ViewBag.Licenses, new { #class="mySelect"})
#Html.DropDownList("period", (SelectList)ViewBag.Periods, new { #class="mySelect"})
<input type="hidden" id="source" name="source" value="" />
And the script is
$(function(){
$(".mySelect").change(function(){
var itemName=$(this).attr("name");
$("#source").val(itemName);
$("form").submit()
});
});
Use something like this. (Here you are calling the action method instead of submitting the form)
Which ever dropdown caused the change will pass non zero value to the action method and the other will pass 0.
#Html.DropDownList("license", (SelectList)ViewBag.Licenses, new { onchange = "document.location.href = '/ControllerName/Checklist?license=' + this.options[this.selectedIndex].value + '&period=0'" })
#Html.DropDownList("period", (SelectList)ViewBag.Periods, new { onchange = "document.location.href = '/ControllerName/Checklist?license=0&period=' + this.options[this.selectedIndex].value;" })
Hope this helps!
just a quick question about the mvc JqueryUI framework,
i have a _layout.cshtml page which initializes a set of tabs
i have a view which has a jqueryUI datepicker on it.
the View is loaded Dynamically into the tabs and displayed, but if i load a subsequent instance of the View on the Tabs then the datepicker will only populate the first instance of the datepicker.
my question is this
1. MVC uses independent Objects to create independent Views with the same ids as on the views
2. JQueryUI uses the XML Dom with Unique Ids to create its base objects
so how are these supposed to work together.
my View is as follows
<div class="PoCreate">
<div id="pnlProject">
<fieldset>
<legend>Project</legend>
<label for="ProjectNo">
Project #:
</label>
<input type="text" name="ProjectNo" id="ProjectNo" />
<input type="button" name="btnProjectNo" id="btnProjectNo" data-linked-search="#Url.Action("Project", "SearchObj")"
value=".." />
</fieldset>
</div>
</div>
#Url.Script("~/scripts/PageScripts/_PoIndex.js")
The Script file contains
$('.PoCreate').PoCreate({});
and the PO function contains
$.fn.extend({
PoCreate: function (opt)
{
$(this).each(function ()
{
var _self = $(this.parentNode),
_opts = {}, tabIdContext = $(this.parentNode).attr('id');
$.extend(_opts, (opt || {}));
$('.date', _self).each(function ()
{
$(this).attr('id', tabIdContext + '-' + $(this).attr('id'));
$(this).datepicker(Globals.Dates).keypress(function (e) { return false; });
})
$(':button').button().filter('[data-linked-search]').click(function (e)
{
$.extendedAjax({ url: $(this).attr('data-linked-search'),
success: function (response)
{
$('#dialog-form').find('#dialog-search').html(response).dialog(Globals.Dialogs);
}
});
});
});
}
});
I found a way to solve this,
On the Create of the JQuery Widget i have to rename the ID of the DatePicker field so that it is unique for the Tab created.
so my TabId = ui-tab-01
and DatePickerId = DatePicker1
renaming the DatePickerId so that it is now ui-tab-01-DatePicker1