feat(ios): ListView showSearch for built-in search behavior

This commit is contained in:
Nathan Walker
2025-08-03 12:04:53 -07:00
parent 6e17818aea
commit 8e81246b36
6 changed files with 244 additions and 38 deletions

View File

@@ -1,7 +1,7 @@
import { Observable, Dialogs, DialogStrings, View, EventData } from '@nativescript/core';
import { Observable, Dialogs, DialogStrings, View, EventData, SearchEventData } from '@nativescript/core';
type CountryListType = Array<{ title: string; items: Array<{ name: string; code: string; flag: string; isVisible?: boolean }> }>;
export class ListPageModel extends Observable {
components: Array<any> = [
countries: CountryListType = [
{
title: 'A',
items: [
@@ -1373,9 +1373,10 @@ export class ListPageModel extends Observable {
],
},
];
private _originalCountries: CountryListType;
selectItemTemplate(item: any, index: number, items: Array<any>) {
return index == items.length - 1 ? 'last' : 'not-last';
return 'main'; // index == items.length - 1 ? 'last' : 'not-last';
}
componentsItemTap(args): void {
@@ -1389,4 +1390,40 @@ export class ListPageModel extends Observable {
itemLoading(args: EventData): void {
(args.object as View).backgroundColor = 'transparent';
}
onSearchTextChange(evt: SearchEventData): void {
if (!this._originalCountries) {
this._originalCountries = this.countries;
}
const searchText = evt.text.toLowerCase();
console.log('Search text:', searchText);
if (searchText) {
this.countries = this.filterCountryGroups(this._originalCountries, searchText);
} else {
this.countries = this._originalCountries; // reset to original if no search text
}
this.notifyPropertyChange('countries', this.countries);
}
/**
* Filter a grouped array of countries by search query.
* @param {Array<{ title: string; items: { name: string; code: string; flag: string; }[] }>} groups
* @param {string} query
* @returns Filtered groups with the same shape, omitting any with no matches.
*/
filterCountryGroups(groups: CountryListType, query: string): CountryListType {
const q = query.trim().toLowerCase();
if (!q) return groups; // no query → all groups
return (
groups
.map((group) => {
// keep only items whose name includes the query
const items = group.items.filter((item) => item.name.toLowerCase().includes(q));
return { ...group, items };
})
// drop any group that ended up with 0 items
.filter((group) => group.items.length > 0)
);
}
}

View File

@@ -6,11 +6,13 @@
</Page.actionBar>
<GridLayout backgroundColor="#efefef">
<ListView class="list-group" items="{{ components }}" itemTap="{{ componentsItemTap }} " separatorColor="#00000000" itemTemplateSelector="{{ selectItemTemplate }}" stickyHeader="true" sectioned="true" stickyHeaderTopPadding="false" stickyHeaderTemplate="<GridLayout><Label text='{{ title }}' fontSize='18' fontWeight='bold' color='#009bff' padding='2 0 2 12' borderBottomWidth='1' borderBottomColor='#ccc' borderTopWidth='1' borderTopColor='#ccc' backgroundColor='#fff' /></GridLayout>" stickyHeaderHeight="45" itemLoading="{{ itemLoading }}">
<ListView class="list-group" items="{{ countries }}" itemTap="{{ componentsItemTap }} " separatorColor="#00000000" itemTemplateSelector="{{ selectItemTemplate }}" stickyHeader="true" sectioned="true" stickyHeaderTopPadding="false" stickyHeaderTemplate="<GridLayout><Label text='{{ title }}' fontSize='18' fontWeight='bold' color='#009bff' padding='8 0 8 12' borderBottomWidth='1' borderBottomColor='#ccc' borderTopWidth='1' borderTopColor='#ccc' backgroundColor='#fff' /></GridLayout>" stickyHeaderHeight="45" itemLoading="{{ itemLoading }}"
showSearch="true"
searchChange="{{ onSearchTextChange }}">
<ListView.itemTemplates>
<template key="not-last">
<template key="main">
<!-- <StackLayout class="list-row-item"> -->
<GridLayout columns="auto,auto,*" padding="12" margin="4 6 4 6" borderRadius="4" backgroundColor="#fff">
<GridLayout columns="auto,auto,*" padding="14 12 14 12" margin="2 6 2 6" borderRadius="10" backgroundColor="#fff" boxShadow="0px 1px 2px rgba(0,0,0,0.2)">
<!-- <FlexboxLayout flexDirection="row" class="list-view-row" verticalAlignment="center"> -->
<!-- <visionos>
<Label text="{{ iconText }}" class="icon-around icon-label"/>
@@ -24,8 +26,8 @@
</StackLayout>
</android> -->
<!-- <StackLayout class="va-middle"> -->
<Label class="component-select component-select-fix" text="{{ flag }}" marginLeft="4"></Label>
<Label col="1" text="{{ name }}" marginLeft="6"></Label>
<Label color="black" text="{{ flag }}" marginLeft="4"></Label>
<Label col="1" text="{{ name }}" marginLeft="6" color="black"></Label>
<Label col="2" text="{{ code }}" marginLeft="4" color="#999"></Label>
<!-- </StackLayout> -->
<!-- </FlexboxLayout> -->
@@ -34,31 +36,6 @@
<!-- <StackLayout class="listview-separator"/> -->
<!-- </StackLayout> -->
</template>
<template key="last">
<!-- <StackLayout class="list-row-item"> -->
<GridLayout columns="auto,auto,*" padding="12" margin="4 6 4 6" borderRadius="4" backgroundColor="#fff">
<!-- <FlexboxLayout flexDirection="row" class="list-view-row" verticalAlignment="center"> -->
<!-- <visionos>
<Label text="{{ iconText }}" class="icon-around icon-label"/>
</visionos>
<ios>
<Label text="{{ iconText }}" class="icon-around icon-label"/>
</ios>
<android>
<StackLayout class="icon-around">
<Label text="{{ iconText }}" class="icon-label"/>
</StackLayout>
</android> -->
<!-- <StackLayout class="va-middle"> -->
<Label class="component-select component-select-fix" text="{{ flag }}" marginLeft="4"></Label>
<Label col="1" text="{{ name }}" marginLeft="6"></Label>
<Label col="2" text="{{ code }}" marginLeft="4" color="#999"></Label>
<!-- </StackLayout>
</FlexboxLayout> -->
</GridLayout>
<!-- </StackLayout> -->
</template>
</ListView.itemTemplates>
</ListView>