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  • Jun 18 2019 18:50
    @StephenFluin banned @piotr-mamenas
SAGO
@SAGOlab
no one?
Pavan K Jadda
@pavankjadda
All, I have an issue with Mat Date Picker
Daniel Willis
@danww
@pavankjadda Are you applying any CSS that might globally target table cells, e.g., extra padding/margin?
Michele Santoro
@michelu89
Hello, I have recently been trying to implement mat-chips with template-driven forms. Is this possible?
1 reply
Sanket Thotange
@iamsank8
I am trying to wrap my head around this idea. I open a dialog from a page and from that dialog, I open another dialog. Now if I cancel the current dialog, how can I go back to first dialog that I opened?
Yaakov Chaikin
@ychaikin
If I add another FormControl to a FormGroup, but that control is already in an invalid state the control shows up on the form, but the mat-error is not showing up (even though the control does indeed have error: { required: true } and its status: invalid. Any ideas on how to force it to show the mat-error upfront, i.e., without requiring the user to interact with the control first?
kent7301
@kent7301
Hello
tuckerjt07
@tuckerjt07
I am attempting to use Angular Material components inside of a web component. Everything is working except for one edge case with the cdk-overlays. So far I have had success using an override of _createContainer() to append the overlay container to a div inside of the shadowroot so that the styles will apply. However if I hide the parent element with an *ngIf and then toggle it back the overlay container is present in the DOM but it and its contained elements are not visible.
Is there something I'm missing where I need to manually clear or toggle something to get that behavior to work correctly?
tuckerjt07
@tuckerjt07
It seems to be an issue with the overlay being inside of an ngIf that is toggled. Once it's toggled to the hidden state the content will not load in the container even though it is present.
dhruv217
@dhruv217
Hello everyone,
dhruv217
@dhruv217
I have a general question to ask about @angular/google-maps regarding pricing per load.
Does each instance of a <google-map> component count as a map load..?
For example if I have multiple routes in my application that each create an instance of <google-map> component,
and the Maps JS Api is loaded in the root index.html <head>, routing to each route counts as a new map load or
is it counted once per application visit and further routing on to different components does not incur any further charge..?
Amir Ali Shokri
@AmirHCS_gitlab

Hi Every One How Can I Auto Refresh In Angular Material
In BootStrap Tables Is Auto Refresh But Angular ...
I Have 2 Component one Input And One Table And If Add New Item From Input Table Refrsh

Tahnks

Amir Ali Shokri
@AmirHCS_gitlab
??
Travis Rivera
@ResourceHog
hey is this active?
SAGO
@SAGOlab

@AmirHCS_gitlab you can use subscribe an observable like this:

ngOnInit() {
    this.refreshData();
    this.interval = setInterval(() => { 
        this.refreshData(); 
    }, 5000);
}

refreshData(){
    this.myService.getData()
        .subscribe(data => {
            this.data = data;
        })
    );
}

so every 5 seconds the data will refresh for you...

Amir Ali Shokri
@AmirHCS_gitlab
Thanks That is Help Full
Daniel Willis
@danww
@AmirHCS_gitlab I don't think you want to be always polling to refresh like that. Your table should subscribe an Observable data source that is updated by the input component. That way the table will only refresh as required.
Amir Ali Shokri
@AmirHCS_gitlab
@danww Thanks But How?
Pavan K Jadda
@pavankjadda

@pavankjadda Are you applying any CSS that might globally target table cells, e.g., extra padding/margin?

Sorry. Just now seeing your reply. I am able to fox the issue. See the answer here https://stackoverflow.com/questions/66049716/mat-date-picker-overflows-when-opened

Daniel Willis
@danww
@AmirHCS_gitlab Here's a very simple example of one way to do it: https://stackblitz.com/edit/angular-ivy-ggvode?file=src%2Fapp%2Fapp.component.ts
@AmirHCS_gitlab Note that all the table component does is subscribe to the BehaviorSubject of the data, passed from the parent component. The input component simply emits a new item. The parent component listens for new items from the input component and adds them to the BehaviorSubject.
kelly
@kellyprankin

Anyone know how to get this to submit my form?

      <mat-date-range-picker #projectDatePicker>
        <mat-date-range-picker-actions>
          <button mat-raised-button type="button" matDateRangePickerCancel>Cancel</button>
          <button mat-raised-button type="submit" color="primary" matDateRangePickerApply>Apply</button>
        </mat-date-range-picker-actions>
      </mat-date-range-picker>

it doesn't trigger the form's submission:

  <form [formGroup]="projectSearchForm" (ngSubmit)="onSubmit()">

If I put the button outside of the mat-date-range-picker-actions then it does

kelly
@kellyprankin
I ended up just not using the ngSubmit method since I only have one field here anyways
Amir Ali Shokri
@AmirHCS_gitlab
Thanks This Is Great Fix
shivam kumar
@Shiva7071007

Hi,
I recently migrated to a angular 10 from angular 7 and placeholder for my input doesn't show up anymore. After inspecting, placeholder attribute is converted to data-placeholder. If i change it to browser to placeholder, it shows up.

sample image : https://ibb.co/mTnf4jf

<input matInput class="mat-select-search-input" [formControl]="searchedValue" (input)="onInputChange($event.target.value)"  (keydown)="handleKeydown($event)"
                          autocomplete="off" placeholder="Search" />
SV9045
@SV9045
Does any one know, How to change image based on the selection from drop down in Angular Material ?
Daniel Willis
@danww
@SV9045 Yes. Share wth us a Stackblitz of your code so far, and I can help you.
vinay kumar
@vinaymcscet

Hello, I have below code of Mat-select with virtual-scroll.
I have get the value of mat-select in formBuilder but did not reflect the value which I select in the mat-item-select.

<mat-form-field appearance="outline">
<mat-select multiple (openedChange)="openChange($event)" formControlName="itemSelect">
<mat-select-trigger>
{{ itemTrigger }}
</mat-select-trigger>
<cdk-virtual-scroll-viewport itemSize="5" minBufferPx="200" maxBufferPx="400" class="example-viewport-select">
<mat-option *cdkVirtualFor="let list of skillSet" [value]="list.data" (onSelectionChange)="onSelectionChange($event)">
{{list.data}}
</mat-option>
</cdk-virtual-scroll-viewport>
</mat-select>
<mat-error *ngIf="!addCompany.controls['itemSelect'].valid && addCompany.controls['itemSelect'].touched">
{{ titleAlert }}
</mat-error>
</mat-form-field>

I did not get the value in itemTrigger. Please help me to find the error
Victor Aprea
@vicatcu
hi all, just getting started with nx workspaces and am finding it difficult to figure out how to add angular material to projects in it
no matter where I run the command ng add @angular/material as per the getting started docs, I get the message The add command requires to be run in an Angular project, but a project definition could not be found.
1 reply
anyone know how to do it?
Dominic Watson
@intellix
really struggling with Stepper... the logic doesn't make sense when using it programatically
I want a "3 easy steps" style stepper. You start off on the first step, you click "next" and it goes to the second step etc..... so I have a property on my wrapping component: "selectedIndex = 0"
<mat-horizontal-stepper [linear]="true" [selectedIndex]="selectedIndex">
  <mat-step *ngFor="let step of steps; let i = index" [editable]="true" [optional]="false" [completed]="selectedIndex > i">
you're on the first step, it's the selectedIndex... makes sense. If you're on greater index, the previous ones are completed, obviously so selectedIndex=1 means that index 0 is complete
but when I change selectedIndex from 0 to 1, it seems to not work because completed is still false on the first step, which gets evaluated later
can I not just disable the validation of that since it's clearly on drugs?
Dominic Watson
@intellix
I'm not using matStepperPrevious or matStepperNext cause the buttons are added dynamically and I need to handle the index manually and am not able to add those directives
Dominic Watson
@intellix
it seems like [completed] is even problematic when using stepper.next/previous()
Dominic Watson
@intellix
this seems to work:
this.completedIndex = this.selectedIndex < this.data.steps.length - 1 ? this.selectedIndex + 1 : this.data.steps.length - 1;
setTimeout(() => {
  this.selectedIndex = this.completedIndex;
  this.cd.detectChanges();
});
Dominic Watson
@intellix
seems i'm not alone angular/components#19445
Suprotim Mukherjee
@Xender007
Hi
I am new here!! can anyone help me how to do docs contribution ?
Abdul Basit Khan
@meanstackBasit
how to get value fomrHTMLCollection []?
kpaxton
@kpaxton
Hey, I think there might be an issue with the FormArray and validation. I put together this stackblitz which shows my issue. https://stackblitz.com/edit/angular-9mjpyy?file=src/app/app.component.html When you hit 'Add Row' the entire form starts showing the errors even though everything is pristine. How can avoid this and only show the error state if it's been touched? It doesn't matter which ErrorStateMatcher I use either. I am forced to use a custom one.
kpaxton
@kpaxton
type="button" for the win.
Roman Meshkov
@Romjkez

Hello, I want to investigate if this behaviour is bug or feature of Material tabs

What we have in v9 of Material tabs demo (below): if you resize the viewport (where component is being rendered), mat-tabs component dynamically (on fly) shows/hides horizontal navigation arrows according to viewport width

What we have starting from v10: viewport resize does not trigger arrows showing/hiding until we trigger change detection manually (click on tab or programmatically), so they stay visible or hidden at the wrong time.

Examples:
v9: https://stackblitz.com/angular/xbpevvrbkpr?file=src%2Fapp%2Ftab-nav-bar-basic-example.ts
v10: https://stackblitz.com/angular/xoepvnaxqak?file=src%2Fapp%2Ftab-nav-bar-basic-example.ts

Do you think this behaviour (in v10) is normal?

vishalgajjar
@vishalgajjar
I am using a mat-table with expandable rows , I have mat-accordion inside the row. After sorting the rows I had an issue where I was not able to open the row with single click. I fixed it be modification animations. Now I am getting same issues for accordion which is inside the expanded row. any idea how to fix it ?