Questions tagged [lightning-events]

Lightning Events are a way for markup component to communicate its changing state

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votes
1answer
23 views

Can an application event be handled by a lightning component whose body isn't rendered?

I have a component that receives an app event to indicate if it should be made visible or not. I'm firing this app event from another component on the page. The receiving component show only show ...
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0answers
13 views

GetTabInfo or TabUrl of Closed Tab in Lightning

<aura:handler event="lightning:tabClosed" action="{! c.onTabClosed }"/> ({ onTabClosed : function(component, event, helper){ var workspaceAPI = component.find("workspace"); ...
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1answer
20 views

How to pass event.preventDefault(); from child to parent

I have a wizard with a child object. The child object has an event.preventDefault(); (Step 2 wizard). How do I pass this to the wizard (parent) to prevent going to the next page (step 3) of the wizard....
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3answers
48 views

Override Default Tab Key press event in Lightning component?

I am trying to override the default tab key press event. For other key this custom method is getting called but for some keys like Tab,enter.. it's not working. Below is the code what i tried. xxx....
0
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1answer
20 views

RefreshView Event is not getting fired in custom object record page

I have a lightning component which is residing in a lightning record home page of a custom object. If I modify any fields, usually Salesforce fires refreshView event and we can consume the event in ...
1
vote
1answer
81 views

LWC – Access Templates and Methods of child components (multi-chained children)

Normally closed shadow DOM/root will not allow the access of child component's DOM. Consider below example: <main-component> <parent> <child> <iteration&...
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0answers
48 views

Unable to fire force:runActionComponent application event

Currently, LWC doesn't support QuickActionApi, but I really need it. Also, I am investigating option to wrap my LWC component by Aura component container, which will use quickActionApi and interact ...
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0answers
19 views

aura:iteration Data table: Cannot find Aura:id for the lightning input used inside the aura:iteration

i need to use the aura:id of lightning:select. the table is rendered inside aura:iteration. there is another field(table column field) inside table that needs to be shown based on the the select ...
0
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1answer
35 views

Lightning component detect keystroke in page [closed]

Is there a way to a lightning component detect when the user click a key in the page as whole? My idea is to have the component in the home page and using a shortcut the user can invoke an action even ...
0
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1answer
39 views

How we fire 2 or more events continuously in lightning component?

I'm facing a below problem when redirect to view the detail page then wanna display Edit popup. Please help me resolve this. In my component js. var retParams = '0010k000008IsVXXX' // Id of ...
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0answers
29 views

Get/set an attribute trough Lightning Event

I can't get the attribute trough Lightning Event. By clicking on the button "Get msg" I get undefined: ceEvent.evt: <aura:event type="COMPONENT"> <aura:attribute name="message" ...
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0answers
19 views

Handling Application event in Utility Bar component

I am using a utility bar in a lightning application. I am having a component on the contact record page, from where I am firing an Application event and having a handler on a component which is in ...
0
votes
1answer
37 views

How to set a record's field from the List in component to event?

I have a cmp with List of objects and iteration: <aura:iteration items="{!v.Objects}" var="object"> <div label="Set Id" name="{!object.Id}" onclick="{!c.action}"> {!object....
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0answers
28 views

Initialize the standard Inline-Edit functionality from a Custom component action

I have standard Opportunity record detail page which has the standard in-line edit functionality. On my opportunity flexi-page, right side custom panel has custom component which needs to update the ...
2
votes
1answer
113 views

How to setup eventListener for a LWC component to receive messages from an embedded iFrame

I am having trouble setting up an eventListener for my LWC component to listen messages received from an embedded iFrame. I have a parent component where I have set the event listener in ...
1
vote
2answers
82 views

Lightning empApi subscribe and unsubscribe method in JS constroller

I have an component using lightning empAPi. In controller, I am using subscribe method and didn't using unsubscribe method. Is that required to use unsubscribe method in controller. IF required please ...
0
votes
1answer
30 views

Aura Component don't catch event from another one

Lightning Event: tripEventer, attribute - trip, Trip__c Component Item: <aura:registerEvent name="openTripEvent" type="c:tripEventer"/> <lightning:button class="slds-align_absolute-...
0
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1answer
57 views

Set lightning input in a child component based on parent component onChange event

I am implementing simple Contact create/edit form and I have problems with automatic setting of one field (consbp) based on an entry in different field (AccountID). The main component (contactCreate....
0
votes
1answer
25 views

How to detect list element data changes with “change” handlers?

Accordingly to the documentation, the special aura change handler can be used to detect when a value in one of the component's attributes changes. Everything is fine with attributes of type Boolean, ...
2
votes
1answer
55 views

event.detail is undefined in Lightning:recordEditForm submit event

I'm trying to get field values at Lightning:recordEditForm onSubmit() event.In the documentation example it shows below. my onSubmit event handler as below, I end up getting error, [event.detail ...
2
votes
1answer
28 views

wave:selectionChanged behaviour in Summer '19

I'm creating a lightning app that interacts with an Einstein dashboard. The idea is that when a user filters data in the dashboard, a search is performed in an external system using the filtered data. ...
1
vote
1answer
35 views

Building Custom Related List Component

I created a reusable lightning component that will act as a related list component. I want to handle add/remove event when the user makes changes from Edit Page (Settings-> Edit Page). Example: I ...
0
votes
1answer
135 views

How to force width resizing of lightning:datatable?

I've structured a component in a way that either a lightning:datatable aura component or a lightning:dualistbox. The dual list box is used to set the columns attribute of the data table. The issue is ...
1
vote
1answer
269 views

Calling Application events in LWC [closed]

i would like to call an Application event in Lightning web component. Below link describes the same in AURA. https://developer.salesforce.com/docs/atlas.en-us.218.0.lightning.meta/lightning/...
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0answers
18 views

window.addEventListener firing Multiple times

I have a situation where I need to reDirect the lightning page to record detail page once BACK button in iFrame is clicked. So, Java team was sending a postMessage from the page which I am opening it ...
1
vote
1answer
29 views

Unable to see Attendee list on event object in lightning experience in Spring'19

As per the below link of salesforce release notes, we can now see the attendee list on the event object in the lightning experience without enabling setting up the lightning sync. Salesforce Release ...
0
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0answers
9 views

Firing an application event of package A from package B

I recently came up against a problem related to event communication between two managed packages. In my scenario, I am able to fire an application event from package A and handle it in package B. My ...
0
votes
1answer
18 views

Event fired when user redirects to home : exists?

Heyo all, I am working on a Lightning Community. I need to detect whenever the user goes to the main page (clicking page logo, home ling, whatever...). I tried the following events : <aura:...
0
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0answers
45 views

Stop lightning custom event after handling it

I have a custom lightning component that calls another one via event and retrieve specific data. Problem is that I can call my component many times and every time I enter this component again from ...
1
vote
1answer
456 views

Lightning Web Components: How to handle events from grand child on the owner(eventParent) component

I have 3 Lightning web components, Parent ->Child -> Grand child all with just a lightning button inside it. eventParent: <template> <lightning-button variant="brand" label="Submitparent" ...
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0answers
17 views

Passing Data between two unrelated Lightning Components [duplicate]

Does anyone know how to pass values from one lightning component to another unrelated lightning component? There's no Parent-Child combination and these components or not in a containment hierarchy. ( ...
0
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0answers
13 views

The application event not working [duplicate]

I know what I am asking is a very basic example question. But I am trying to understand the application event using an example and it is not working. I tried to figure it out all by myself for a long ...
0
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0answers
8 views

Lightning Calander

I am new to lightning, I want to make appointment system using standard lighting calendar, Is there anyway i can replace day in day view with staff name like we have in fullcalendarui. i'll share a ...
0
votes
1answer
21 views

Reuse Deleted Aura Component Name

While doing a trailhead superbadge I created a component event named "FormSubmit". After the fact, I noticed that the specific phrasing on trailhead was "formsubmit" so I deleted the component event ...
2
votes
1answer
230 views

Is it possible to fire an event from a LWC and handle in another LWC which is not in containment hierarchy?

Is it possible to fire an event from a lightning web component and handle in another lightning web component which is not in containment hierarchy? This is achievable in Aura component using ...
0
votes
1answer
55 views

lightning datatable populate on paste from clipboard

Is it currently possible access the clipboard conents from the onpaste event for the lightning datatable? If so how? If not then is there a work around? I want to copy an paste from Excel and ...
0
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0answers
301 views

Lightning Record Edit Form onsuccess not firing

Having issues getting the onSuccess Event to fire on my Lightning:recordEditForm. My submit button is outside of the Lightning:recordEditForm and that works perfectly but i'd like to have the ...
0
votes
1answer
816 views

How to handle Lightning Web Component Event from Lightning Aura Component?

I am firing an event from my Lightning Web Component(LWC). Now I have to receive this event by a Aura Component. As per the documentation I am able to receive the event if this LWC is enclosed in the ...
0
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0answers
138 views

Lightning aura event handler error

I am using a custom application event (ackRequest) that I use to validate all components in a page. This event is fired in the afterRender of the community layout component. The event is handled ...
0
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0answers
56 views

LEX console method issue - lightning:tabClosed

I am trying to utilise the lightning:tabClosed event within my LEX component on a Case. I want to be able to get the record ID for the tab that was closed, as I need to do some processing using that ...
0
votes
1answer
64 views

Dynamic DOM : firing event on click

I am dynamically creating some DOM elements inside my component's controller and adding them to the page. I need to set the onclick event on these elements to call another controller function that ...
1
vote
1answer
110 views

Can't handle an Application event in Lightning

I am trying to handle Application event in a listening component but it doesn't work for some reason. Please, help. I can't write in console log "here" in the end Application <aura:application ...
0
votes
1answer
42 views

Loop through html object collection [duplicate]

How can I access the html element div.card as shown below, the div returns as Proxy{} in lightning and I cannot manipulate the DOM. The div comes from the content in controller because it is in rich ...
4
votes
2answers
1k views

Lightning Web Component use Publish-Subscribe event in Community cloud

How can we use publish-subscriber event pattern in Community Cloud using lightining web component. I have drag-and-drop two Lightining Web Component(LWC) in a community page. On click on first ...
0
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0answers
40 views

Firing an event from one component to another in Lightning

Appreciate some guidance. I have a component which has a checkbox component and a calendar component. I would like to fire an event when a checkbox is selected and render the 2nd component(calendar) ...
0
votes
1answer
43 views

Component Event doesn't seem to working! [duplicate]

I was testing passing data between two components using Component Events but something doesn't seem to be right. I am not able to get the value in the Handler component. Could someone let me know what ...
0
votes
1answer
866 views

Lightning Components: Call init method of a child component from a parent component

I want to call the init method of a child LC from a parent LC. I tried to use aura:method, and call the init method from a parent method. ..... <aura:attribute name="userContact" ...
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0answers
32 views

Lightning Application event undefined in d3.js .on() handler

I'm trying to fire an Lightning Application event from a d3.js handler. Basically I'm doing following: let stageMenuSelection = stageMenuContainer.select(stageMenuSelector), ...
0
votes
1answer
113 views

On change of designer attribute, init() handler is called again

We are using lightning components in a community. We drag drop the components into a template and configure through designer attributes. For one of such lightning component, there is an init() handler ...
0
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0answers
39 views

Change Platform Event Notification on Click

We are using the platform events to deliver the custom lead notifications through apex class. Database.SaveResult result = Eventbus.publish(leads); When the user clicks on the notification message, ...