How to call vue method from a javascript function? - javascript

I am trying to call a vue method from javascript function but can't make it work. The method I am trying to call is app.onChangePlant(val) It turns out that the value is not called.
Is it because of the vue is not yet available when I declared the javascript function?
This is the error I am receiving
plant-consumer:222 Uncaught TypeError: app.onChangePlant is not a function
at onChangePlantSelect (plant-consumer:222)
at HTMLSelectElement.onchange (plant-consumer:399)
at Object.trigger (app.js:14973)
at HTMLSelectElement.<anonymous> (app.js:15045)
at Function.each (app.js:6863)
at jQuery.fn.init.ea
Code:
<script type="module" defer>
const setting = {
url: {
findUsage: "{{ route('admin.plant-consumer.find-usage') }}",
usageCsvDownload: "{{ route('admin.plant-consumer.usage-csv-download') }}",
},
date: {
date_default: moment("{{ $defaultDate }}", 'YYYY/MM/DD').toDate()
}
};
const app = new Vue({
el: '#app',
data: {
url: setting.url,
plantId: '',
isLoading: false,
rangeFilter: 'daily',
byMonth: false,
csvDownloadUrl: '',
date: setting.date.date_default,
month: setting.date.date_default,
// datepicker用設定
DatePickerFormat: 'yyyy/MM/dd',
MonthPickerFormat: 'yyyy/MM',
disabledDates: {
from: new Date()
},
ja_vdp: vdp_translation_ja.js
},
components: {
'vuejs-datepicker': vuejsDatepicker
},
watch: {
rangeFilter: function () {
this.byMonth = this.rangeFilter === 'monthly';
this.getData(1);
},
},
methods: {
onChangePlant: function(event) {
this.plantId = event.target.value;
this.getData(1);
},
onChangeDate: function () {
this.getData(1);
},
onChangeMonth: function () {
this.getData(1);
},
getData: function(page) {
let that = this;
let date = that.date;
that.isLoading = true;
that.csvDownloadUrl = '';
if (that.byMonth) {
date = that.month;
}
if(that.plantId && ((date)))
{
let data = {
plant : that.plantId,
date : that.formatDateForRequest(date),
byMonth: that.byMonth,
page : page,
};
let url = that.url.usageCsvDownload
+ '?plant=' + data.plant
+ '&date=' + data.date
+ '&byMonth=' + data.byMonth;
// console.log(url);
$.ajax(
{
url: that.url.findUsage,
type: "get",
datatype: "html",
data: data,
cache: false
}).done(function(data){
$("#consumer_table_generate").empty().html(data);
that.csvDownloadUrl = url;
}).fail(function(jqXHR, ajaxOptions, thrownError){
alert('No response from server');
}).always(function() {
that.isLoading = false;
});
}
else
{
$("#consumer_ratio_body").empty();
that.isLoading = false;
}
}
},
mounted: function () {
let vueObj = this;
$.ajaxSetup({
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});
$(document).on('click', '.pagination a', function(event)
{
event.preventDefault();
let $this = $(this);
$('#consumer_table_generate li').removeClass('active');
$this.parent('li').addClass('active');
var page = $this.attr('href').split('page=')[1];
vueObj.getData(page);
});
}
});
$(document).ready(function () {
$.ajaxSetup({
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});
});
</script>
<script>
function onChangePlantSelect(val) {
console.log(val);
app.onChangePlant(val);
};
</script>

const App = {
data: {
url: setting.url,
plantId: '',
isLoading: false,
rangeFilter: 'daily',
byMonth: false,
csvDownloadUrl: '',
date: setting.date.date_default,
month: setting.date.date_default,
// datepicker用設定
DatePickerFormat: 'yyyy/MM/dd',
MonthPickerFormat: 'yyyy/MM',
disabledDates: {
from: new Date()
},
ja_vdp: vdp_translation_ja.js
},
components: {
'vuejs-datepicker': vuejsDatepicker
},
watch: {
rangeFilter: function () {
this.byMonth = this.rangeFilter === 'monthly';
this.getData(1);
},
},
methods: {
onChangePlant: function(event) {
this.plantId = event.target.value;
this.getData(1);
},
onChangeDate: function () {
this.getData(1);
},
onChangeMonth: function () {
this.getData(1);
},
getData: function(page) {
let that = this;
let date = that.date;
that.isLoading = true;
that.csvDownloadUrl = '';
if (that.byMonth) {
date = that.month;
}
if(that.plantId && ((date)))
{
let data = {
plant : that.plantId,
date : that.formatDateForRequest(date),
byMonth: that.byMonth,
page : page,
};
let url = that.url.usageCsvDownload
+ '?plant=' + data.plant
+ '&date=' + data.date
+ '&byMonth=' + data.byMonth;
// console.log(url);
$.ajax(
{
url: that.url.findUsage,
type: "get",
datatype: "html",
data: data,
cache: false
}).done(function(data){
$("#consumer_table_generate").empty().html(data);
that.csvDownloadUrl = url;
}).fail(function(jqXHR, ajaxOptions, thrownError){
alert('No response from server');
}).always(function() {
that.isLoading = false;
});
}
else
{
$("#consumer_ratio_body").empty();
that.isLoading = false;
}
}
},
mounted: function () {
let vueObj = this;
$.ajaxSetup({
headers: {
'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')
}
});
$(document).on('click', '.pagination a', function(event)
{
event.preventDefault();
let $this = $(this);
$('#consumer_table_generate li').removeClass('active');
$this.parent('li').addClass('active');
var page = $this.attr('href').split('page=')[1];
vueObj.getData(page);
});
}
}
const app = Vue.createApp(App)
const vm = app.mount('#blog-posts-demo')
vm.remove(123456)
//this way you guarantee the app is properly mounted, by the time you call

I don't know why would you like to do that but if it's neccessary you can try to use window eventlisteners:
https://developer.mozilla.org/en-US/docs/Web/Guide/Events/Creating_and_triggering_events
In your component you can add an eventlistener that call your method, in js script tage you can fire an event, if your component ready it will call the method.
I never did this before it's just a theory :)
edit: I tried it, but your component is not mounted when you want to fire the event in script tag

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var index = jQuery(this).parent().index();
jQuery('.tab-content .tab-pane').removeClass('active');
jQuery('.tab-content .tab-pane:eq('+index+')').addClass('active');
jQuery('.nav-main table td li').removeClass('active');
jQuery('.nav-main table td:eq('+index+') li').addClass('active');
});
jQuery("input.rand2").focus(function(){
event.stopPropagation();
});
jQuery('#rand_a').change(function(){
jQuery('#rand_aa').trigger('click');
setupLabel();
});
jQuery('body').on('submit','#fc-pk',function(event){
event.preventDefault();
jQuery('#fc-pk .response').text('...');
jQuery.ajax({
type: "GET",
url: ajaxurl,
data: 'key='+jQuery('#fc-pk-input').val()+'&action=formcraft_verifyLicense',
dataType: "json",
success: function(response)
{
if (response.message)
{
jQuery('#fc-pk .response').text(response.message);
}
else
{
jQuery('#fc-pk .response').text('Unknown error');
}
},
});
});
jQuery('body').on('click','.delete_from_manager',function(){
jQuery(this).html(jQuery(this).attr('data-loading'));
if (jQuery(this).attr('data-name')){var data = 'name='+encodeURIComponent(jQuery(this).attr('data-name'));}
else if (jQuery(this).attr('data-key')){var data = 'key='+encodeURIComponent(jQuery(this).attr('data-key'));}
var id_this = this.id;
jQuery.ajax({
url: ajaxurl,
type: "POST",
data: 'action=formcraft_delete_file&'+data,
success: function (response) {
if (response=='Deleted')
{
jQuery('#'+id_this).removeClass('btn-danger');
jQuery('#'+id_this).addClass('btn-success');
jQuery('#'+id_this).html(jQuery('#'+id_this).attr('data-complete'));
}
},
error: function (response) {
}
});
});
jQuery('#export').click(function(){
window.open(Url.exporturl,'_blank');
});
jQuery('body').on('click', '.delete-row', function() {
if (confirm('Are you sure you want to delete the form? You can\'t undo this action.')) {
if(jQuery(this).hasClass('btn-danger'))
{
var this_id = jQuery(this).attr('id');
jQuery(this).html(jQuery(this).attr('data-loading'));
var id = jQuery(this).parent('td').parent('tr').attr('id');
jQuery.ajax({
url: ajaxurl,
type: "POST",
data: 'action=formcraft_del&id='+id,
success: function (response) {
if (response=='Deleted')
{
jQuery('#'+this_id).html(jQuery('#'+this_id).attr('data-complete'));
jQuery('#'+this_id).removeClass('btn-danger');
jQuery('#'+this_id).addClass('btn-success');
}
else
{
jQuery('#'+this_id).html(jQuery('#'+this_id).attr('data-reset'));
}
},
error: function (response) {
alert("There was an error.");
}
});
}
}
});
jQuery('body').on('click', '.row_click', function() {
var id = jQuery(this).parent('tr').attr('id');
window.location.href = 'admin.php?page=formcraft_admin&id='+id;
});
// Edit Form Name and Description
jQuery("body").on('click', '.edit_btn', function(event){
event.stopPropagation();
jQuery(this).hide();
jQuery(this).parent().children('.rand').hide();
var name = jQuery(this).prev('a').html();
jQuery(this).prev('input.rand2').show();
jQuery(this).prev('input.rand2').focus();
jQuery(this).next('a.save_btn').show();
});
jQuery('body').on('click','.rand2',function(event){
event.stopPropagation();
});
jQuery("body").on('click', '.save_btn', function(event){
event.stopPropagation();
jQuery(this).hide();
var this_id = jQuery(this).attr('id');
var id = jQuery(this).attr('id').split('_');
var val = jQuery(this).parents().children('.rand2').val();
jQuery.ajax({
url: ajaxurl,
type: "POST",
data: 'action=formcraft_name_update&name='+val+'&id='+id[1],
success: function (response)
{
if (response=='D')
{
jQuery('#'+this_id).parent().children('.rand').text(val);
jQuery('#'+this_id).parent().children('input.rand2').hide();
jQuery('#'+this_id).parent().children('.rand').show();
jQuery('#'+this_id).parent().children('.edit_btn').show();
}
else
{
jQuery('#'+this_id).show();
jQuery('#'+this_id).parent().children('input.rand2').hide();
jQuery('#'+this_id).parent().children('.rand').show();
jQuery('#'+this_id).parent().children('.edit_btn').show();
}
},
error: function (response)
{
jQuery('#'+this_id).show();
}
});
});
jQuery('#stats_select, #chart-from, #chart-to').change(function(){
var id = jQuery('#stats_select').val();
var from = jQuery('#chart-from').val();
var to = jQuery('#chart-to').val();
drawChart(id, from, to);
});
jQuery('#chart-to').datepicker('remove');
jQuery('#chart-to').datepicker({'endDate': new Date()});
jQuery('#chart-from').change(function(){
var sd = jQuery(this).val().split('/');
sd = new Date( parseInt(sd[0]), parseInt(sd[1])-1, parseInt(sd[2]) );
jQuery('#chart-to').datepicker('remove');
jQuery('#chart-to').datepicker({'startDate': sd}).on('changeDate', function(ev){
jQuery(this).datepicker('hide');
jQuery(this).trigger('change');
});
});
jQuery('#export_select').change(function(){
var val = jQuery(this).val();
if (val=='0')
{
var href = jQuery('#export_url').attr('href');
var href = href.replace('?id='+href.substring(href.indexOf('?id=')+4, href.length),'?id=0');
}
else
{
var href = jQuery('#export_url').attr('href');
var href = href.replace('?id='+href.substring(href.indexOf('?id=')+4, href.length),'?id='+val);
}
jQuery('#export_url').attr('href',href);
});
setupLabel();
jQuery('body').addClass('has-js');
jQuery('body').on("click",'.label_check, .label_radio' , function(){
setupLabel();
});
jQuery('body').on('click', '.show-message', function(){
var html = jQuery(this).parent().find('.sub-content').html();
jQuery('#print_area').html(html);
});
jQuery('body').on('click','.fc_pagination > .page',function(){
show_submissions(jQuery(this).text(),false);
});
});
Here is a screenshot on both theme from inspect element and working/non working page
http://i.stack.imgur.com/6TkWs.png

jQuery function not work for Second Time

I write this jQuery after it works fine completely for first time it give this error then for second time none of function work.I also use jQuery UI you can see in code.
This error happens after first time complete:
Uncaught SyntaxError: Unexpected token } jquery-1.8.3.js:564
Markup and code:
<link href="../../StyleSheets/jquery-ui-1.9.2.custom.css" rel="stylesheet">
<script src="../../Scripts/jquery-1.8.3.js"></script>
<script src="../../Scripts/jquery-ui-1.9.2.custom.js"></script>
<script>
$(function () {
$(":checkbox").change(function () {
var $this = $(this);
if ($this.is(":checked")) {
$this.closest("tr").addClass("SlectedtRow");
} else {
$this.closest("tr").removeClass("SlectedtRow");
}
})
var tittle = '';
var url = '';
$("#dialog").dialog({
autoOpen: false,
width: 400,
modal: true,
resizable: false,
buttons: [
{
text: "بلی",
click: function () {
DoAction();
$(this).dialog("close");
}
},
{
text: "خیر",
click: function () {
$(this).dialog("close");
}
}
]
});
// Link to open the dialog
$('#ConfirmRiver , #DeleteRiver').click(function (event) {
var IsSelected = false;
var ModalText = " آیا رودخانه ";
$('#RiverForm input:checked').each(function () {
ModalText += this.value + " - "
IsSelected = true;
});
if (IsSelected) {
document.getElementById('ErrorContent').style.display = "none";
ModalText = ModalText.slice(0, -2);
if (this.id == 'DeleteRiver') {
ModalText += "حذف گردد" + "؟"
tittle = 'حذف رودخانه'
url = '#Url.Action("DeleteRiver", "WaterResourcesManagement")';
}
if (this.id == 'ConfirmRiver') {
ModalText += "تایید نهایی گردد" + "؟"
tittle = 'تایید اصلاح و بازبینی رودخانه '
url = '#Url.Action("ChangeRiverARStatus", "WaterResourcesManagement")';
}
$('#ModalMessgae').text(ModalText);
$("#dialog").dialog("open");
$("#dialog").dialog({ title: tittle });
event.preventDefault();
}
else {
document.getElementById('ErrorContent').innerHTML = " اطلاعات مورد نظر را انتخاب نمایید";
document.getElementById('ErrorContent').style.display = "block";
document.getElementById('ErrorContent').className = "msg-Yellow";
}
})
function DoAction() {
var list = [];
$('#RiverForm input:checked').each(function () {
if( url == '#Url.Action("ChangeRiverARStatus", "WaterResourcesManagement")')
{
var Ar= $('#RiverForm').find("input[value='"+this.id+"']").attr('id');
list.push(Ar);
}
else{
list.push(this.id);}
});
var parameters = {};
parameters = JSON.stringify({ "Id": list, AreaID: #Request.QueryString["AreaID"] });
$.ajax({
url: url,
type: 'POST',
contentType: 'application/json; charset=utf-8',
dataType: "html",
traditional: true,
data: parameters,
success: function (data, textStatus, jqXHR) {
$('#updateAjax').html(data);
},
error: function (data) {
$('#updateAjax').html(data);
}
});
}
});
</script>
I add if (!request.isjax()) in all jquery code and it works

Javascript OOP inheritance not working

So I am writing something using augment for inheritance and for some reason I can run this.setButtons(type) and console.log(this.buttons) in that method, but when I run my this.getButtons() it comes back as undefined, even though getButtons just returns this.buttons. Any help would be greately appreciated. I will post up all the code I have so far, because maybe I'm not inheriting properly. Thank you in advance.
var ContextMixin = function () {};
ContextMixin.prototype = {
createElements: function (el, mode, type) {
var m;
if (mode == 'exact') {
$("#" + el).append("<ul id='contextmenu'>");
} else {
$(el).each(function () {
m = $(this).append("<ul id='contextmenu'>");
});
$('body').append(m);
}
$("#contextmenu").css({
'position': 'absolute',
top: 13,
left: 13
});
var new_buttons = this.getButtons();
$.each(this.buttons['buttons'], function () {
m.append("<li id='" + this + "'>" + this + "</li>");
});
},
attachEvents: function () {
functions = this.getFunctions(type);
buttons = this.getButtons();
for (index in buttons['buttons']) {
addEvent(buttons['buttons'][index], this.functions[index][0], this.functions[index][1]);
};
},
setFunctions: function (type) {
var callback = {
success: function (msg) {
this.functions = msg;
},
failure: function () {
alert('Error getting functions')
}
};
$.ajax({
type: 'GET',
url: 'function_list.php?type=' + type,
success: function (msg) {
this.functions = msg;
}
});
},
getFunctions: function () {
return this.functions;
},
setType: function (value) {
this.type = value;
},
getType: function () {
return this.type;
},
setButtons: function (type) {
$.ajax({
type: 'GET',
url: 'button_list.php?type=' + type,
success: function (reply) {
this.buttons = reply;
}
});
},
getButtons: function () {
return this.buttons;
}
}
function createMenu(el, type, mode) {
this.setButtons(type);
this.setFunctions(type);
this.createElements(el, mode, type);
}
augment(createMenu, ContextMixin);
function augment(receivingClass, givingClass) {
if (arguments[2]) { //Only give certain methods.
for (var i = 2, len = arguments.length; i < len; i++) {
receivingClass.prototype[arguments[i]] = givingClass.prototype[arguments[i]];
}
} else { //Give all methods
for (methodName in givingClass.prototype) {
if (!receivingClass.prototype[methodName]) {
receivingClass.prototype[methodName] = givingClass.prototype[methodName];
}
}
}
}
Because this in the callback to the AJAX request is not your object.
Here's a common fix...
setButtons: function(type) {
var self = this; // keep a reference to this
$.ajax({
type: 'GET',
url: 'button_list.php?type=' + type,
success: function(reply) {
self.buttons = reply; // use the reference here
}
});
},
...but a better fix is to use the context: property of the $.ajax request...
setButtons: function(type) {
$.ajax({
type: 'GET',
context: this, // set the context of the callback functions
url: 'button_list.php?type=' + type,
success: function(reply) {
this.buttons = reply;
}
});
},
If you change
ContextMixin.prototype = {
createElements
to
ContextMixin.prototype.createElements
it should work.
this is not what you think it is in your ajax callback—instead of being your current object, it's actually the global object the XHR object. All your callback is doing is putting a buttons property onto the xhr object.
You need to save this before your function runs:
setButtons: function(type) {
var self = this;
$.ajax({
type: 'GET',
url: 'button_list.php?type=' + type,
success: function(reply) {
alert(reply);
self.buttons = reply;
}
});
},

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