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Syncfusion Feedback

custom multiselect grid filter template blinking

Thread ID:





144107 Apr 18,2019 03:42 PM UTC Apr 24,2019 05:50 AM UTC Angular - EJ 2 1
Tags: Grid
Asked On April 18, 2019 03:42 PM UTC

Hi I'm Pablo and I'm facing an issue adding a custom filter to a column, using a filter template.
the problem:
when I click con the multiselect, it blinks and fades away (might be related to the tabindex), this is the code:

<ejs-grid #grid [dataSource]='dataGrid | async' [allowPaging]="true" [pageSettings]='pageSettings' [filterSettings]='filterOptions'
          [allowSorting]="true" [allowFiltering]="true" [allowGrouping]="true" height=315 (dataStateChange)='dataStateChange($event)'>
    <e-column field='contact' headerText='Contact' textAlign='left' width=150></e-column>
    <e-column field='action' headerText='Action' width=100>
      <ng-template #filterTemplate let-data>
        <ejs-multiselect id='actionsMultiselectFilter' [mode]="actionsSelectMode" [enabled]="true"
                         (change)=onActionMultiselectFilterChange($event) [dataSource]='actionsData' [fields]='actionsFields'
    <e-column field='modified' headerText='Mod. Date' textAlign='left' width=120 [allowFiltering]="false"></e-column>
    <e-column field='modifiedBy' hea...
  public grid: GridComponent;  
  public actionsData: Object[] = [
    { id: '1', action: 'Add' },
    { id: '2', action: 'Modify' },
    { id: '3', action: 'Delete' },
    { id: '9', action: 'Merge record' },
    { id: '10', action: 'Create record' }
  public actionsFields: Object = { text: 'action', value: 'id' };
  public actionsPlaceholder: string = 'Select actions..';
  public actionsSelectMode : string = 'CheckBox';
  public onActionMultiselectFilterChange(args: any): void {
    this.grid.filterByColumn('action', 'equal', args.value);

I used this as example
(if I press the input and holding move to the dropdown area, it stays and can filter and I get the right filters, thats part is ok )


Hariharan J V [Syncfusion]
Replied On April 24, 2019 05:50 AM UTC

Hi Pablo, 

Greeting from Syncfusion. 

We have validated the provided information and we suggest you to use the below way to resolve reported problem. In the below code example, we have bind open and close event for multi select dropdown  and handle the tab index.   

Please find the below code example for more information. 

<ejs-grid #grid [dataSource]='data' allowPaging='true' allowFiltering='true' [pageSettings]="pageOptions"> 
    <e-column field='ProductName' headerText='Product Name' width='150'> 
      <ng-template #filterTemplate let-data> 
        <ejs-multiselect id='actionsMultiselectFilter' #multi [mode]="actionsSelectMode" [enabled]="true" (change)=onActionMultiselectFilterChange($event) 
          [dataSource]='actionsData' [fields]='actionsFields' [placeholder]="actionsPlaceholder" (open)='onOpen($event)' (close)='onClose($event)'> 

onOpen(e) { 
  if (this.mulObj.element.parentElement.getAttribute('tabindex') === '-1') { 
     this.mulObj.element.parentElement.setAttribute('tabindex', '0'); 
  if (this.mulObj.element.parentElement.getAttribute('tabindex') === '0') { 
      this.mulObj.element.parentElement.setAttribute('tabindex', '-1'); 
      e.cancel = true; 

Please get back to us if you need further assistance on this. 



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