Imagine having 3 different lists:
List 1: bus, plane
List 2: [related to bus] slow, can't fly
List 3: [related to plane] fast, can fly
In my Ionic Angular project, I have successfully implemented the first ion-list. How can I dynamically change the entire ion-list when an item is clicked?
I understand that it involves using a (click) function, but how can I modify the entire list using TypeScript?
Update: I understand the desired outcome here. One approach is to create a middleman list and use that in your ngFor loop. This allows you to easily switch between different lists by changing the reference of the intermediary list when needed.
export class ListPage {
transportationModes: string[] = ['car', 'train'];
carDetails: string[] = ['red', 'four wheels'];
trainDetails: string[] = ['fast', 'on tracks'];
selectedList: string[] = this.transportationModes;
selectItem(mode): void {
if (mode === 'car') {
this.selectedList = this.carDetails;
} else if(mode === 'train') {
this.selectedList = this.trainDetails;
} else {
this.selectedList = this.transportationModes;
}
}
}
Simply trigger the selectItem function in your HTML code
<ion-list *ngIf="selectedList">
<ion-item *ngFor="let detail of selectedList" (click)="selectItem(detail)">
{{detail}}
</ion-item>
</ion-list>
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