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feat: add DynamicDataProvider and TemplateBuilder #454

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adf756a
feat: add DynamicDataProvider and TemplateBuilder
Potatomonsta Feb 27, 2026
f825778
refactor: improve code formatting and structure across multiple files
Potatomonsta Mar 2, 2026
e9281f3
fix: enhance template processing for single placeholders
Potatomonsta Mar 2, 2026
a2f4faa
chore: update package versions in pubspec.lock files to 1.4.0
Potatomonsta Mar 2, 2026
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4 changes: 2 additions & 2 deletions examples/counter_example/pubspec.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -787,14 +787,14 @@ packages:
path: "../../packages/stac"
relative: true
source: path
version: "1.3.1"
version: "1.4.0"
stac_core:
dependency: "direct overridden"
description:
path: "../../packages/stac_core"
relative: true
source: path
version: "1.3.0"
version: "1.4.0"
stac_framework:
dependency: "direct overridden"
description:
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4 changes: 2 additions & 2 deletions examples/movie_app/pubspec.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -715,14 +715,14 @@ packages:
path: "../../packages/stac"
relative: true
source: path
version: "1.3.1"
version: "1.4.0"
stac_core:
dependency: "direct overridden"
description:
path: "../../packages/stac_core"
relative: true
source: path
version: "1.3.0"
version: "1.4.0"
stac_framework:
dependency: "direct overridden"
description:
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271 changes: 87 additions & 184 deletions examples/movie_app/stac/home_screen.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -19,165 +19,40 @@ StacWidget homeScreen() {
method: Method.get,
),
),
StacColumn(
children: [
StacPadding(
padding: StacEdgeInsets.only(
left: 16,
right: 16,
top: 24,
bottom: 10,
),
child: StacRow(
mainAxisAlignment: StacMainAxisAlignment.spaceBetween,
children: [
StacText(
data: AppStrings.nowPlaying,
style: StacThemeData.textTheme.labelLarge,
),
],
),
),
StacSizedBox(
height: 164,
child: StacDynamicView(
request: StacNetworkRequest(
url: AppApi.getNowPlayingMoviesUrl(),
method: Method.get,
),
targetPath: 'results',
template: _buildMovieListViewTemplate(),
),
),
],
_buildMovieSection(
title: AppStrings.nowPlaying,
request: StacNetworkRequest(
url: AppApi.getNowPlayingMoviesUrl(),
method: Method.get,
),
),
StacColumn(
children: [
StacPadding(
padding: StacEdgeInsets.only(
left: 16,
right: 16,
top: 24,
bottom: 10,
),
child: StacRow(
mainAxisAlignment: StacMainAxisAlignment.spaceBetween,
children: [
StacText(
data: AppStrings.popularMovies,
style: StacThemeData.textTheme.labelLarge,
),
],
),
),
StacSizedBox(
height: 164,
child: StacDynamicView(
request: StacNetworkRequest(
url: AppApi.getPopularMoviesUrl(),
method: Method.get,
),
targetPath: 'results',
template: _buildMovieListViewTemplate(),
),
),
],
_buildMovieSection(
title: AppStrings.popularMovies,
request: StacNetworkRequest(
url: AppApi.getPopularMoviesUrl(),
method: Method.get,
),
),
StacColumn(
children: [
StacPadding(
padding: StacEdgeInsets.only(
left: 16,
right: 16,
top: 24,
bottom: 10,
),
child: StacRow(
mainAxisAlignment: StacMainAxisAlignment.spaceBetween,
children: [
StacText(
data: AppStrings.trendingMovies,
style: StacThemeData.textTheme.labelLarge,
),
],
),
),
StacSizedBox(
height: 164,
child: StacDynamicView(
request: StacNetworkRequest(
url: AppApi.getTrendingMoviesUrl(),
method: Method.get,
),
targetPath: 'results',
template: _buildMovieListViewTemplate(),
),
),
],
_buildMovieSection(
title: AppStrings.trendingMovies,
request: StacNetworkRequest(
url: AppApi.getTrendingMoviesUrl(),
method: Method.get,
),
),
StacColumn(
children: [
StacPadding(
padding: StacEdgeInsets.only(
left: 16,
right: 16,
top: 24,
bottom: 10,
),
child: StacRow(
mainAxisAlignment: StacMainAxisAlignment.spaceBetween,
children: [
StacText(
data: AppStrings.topRated,
style: StacThemeData.textTheme.labelLarge,
),
],
),
),
StacSizedBox(
height: 164,
child: StacDynamicView(
request: StacNetworkRequest(
url: AppApi.getTopRatedMoviesUrl(),
method: Method.get,
),
targetPath: 'results',
template: _buildMovieListViewTemplate(),
),
),
],
_buildMovieSection(
title: AppStrings.topRated,
request: StacNetworkRequest(
url: AppApi.getTopRatedMoviesUrl(),
method: Method.get,
),
),
StacColumn(
children: [
StacPadding(
padding: StacEdgeInsets.only(
left: 16,
right: 16,
top: 24,
bottom: 10,
),
child: StacRow(
mainAxisAlignment: StacMainAxisAlignment.spaceBetween,
children: [
StacText(
data: AppStrings.upcomingMovies,
style: StacThemeData.textTheme.labelLarge,
),
],
),
),
StacSizedBox(
height: 164,
child: StacDynamicView(
request: StacNetworkRequest(
url: AppApi.getUpcomingMoviesUrl(),
method: Method.get,
),
targetPath: 'results',
template: _buildMovieListViewTemplate(),
),
),
],
_buildMovieSection(
title: AppStrings.upcomingMovies,
request: StacNetworkRequest(
url: AppApi.getUpcomingMoviesUrl(),
method: Method.get,
),
),
StacSizedBox(height: 80),
],
Expand Down Expand Up @@ -206,36 +81,64 @@ StacWidget homeScreen() {
);
}

/// Helper function to build a ListView template with itemTemplate for movie lists.
/// Note: itemTemplate is a parser-specific feature handled by the dynamicView parser.
/// We construct the template as JSON to include itemTemplate.
StacWidget _buildMovieListViewTemplate() {
// Create template JSON with itemTemplate (parser-specific feature)
final templateJson = {
'type': 'listView',
'scrollDirection': 'horizontal',
'shrinkWrap': true,
'separator': StacSizedBox(width: 8).toJson(),
'padding': StacEdgeInsets.only(left: 16).toJson(),
'itemTemplate': StacGestureDetector(
onTap: StacSetValueAction(
values: [
{'key': 'movie_id', 'value': '{{id}}'},
],
action: StacNavigator.pushStac('detail_screen'),
),
child: StacClipRRect(
borderRadius: StacBorderRadius.all(6),
child: StacImage(
imageType: StacImageType.network,
src: '${AppApi.imageBaseUrl}/{{poster_path}}',
width: 108,
StacWidget _buildMovieSection({
required String title,
required StacNetworkRequest request,
}) {
return StacDynamicDataProvider(
id: title,
request: request,
targetPath: 'results',
child: StacColumn(
children: [
StacPadding(
padding: StacEdgeInsets.only(
left: 16,
right: 16,
top: 24,
bottom: 10,
),
child: StacRow(
mainAxisAlignment: StacMainAxisAlignment.spaceBetween,
children: [
StacText(data: title, style: StacThemeData.textTheme.labelLarge),
],
),
),
StacSizedBox(
height: 164,
child: StacTemplateBuilder(
providerId: title,
itemTemplate: _buildMoviePosterItem(),
child: StacListView(
scrollDirection: StacAxis.horizontal,
shrinkWrap: true,
separator: StacSizedBox(width: 8),
padding: StacEdgeInsets.only(left: 16),
),
),
),
),
).toJson(),
};
],
),
);
}

// Create a StacWidget with the JSON data
return StacWidget(jsonData: templateJson);
StacWidget _buildMoviePosterItem() {
return StacGestureDetector(
onTap: StacSetValueAction(
values: [
{'key': 'movie_id', 'value': '{{id}}'},
],
action: StacNavigator.pushStac('detail_screen'),
),
child: StacClipRRect(
borderRadius: StacBorderRadius.all(6),
child: StacImage(
imageType: StacImageType.network,
src: '${AppApi.imageBaseUrl}/{{poster_path}}',
width: 108,
height: 164,
),
),
);
}
2 changes: 0 additions & 2 deletions examples/stac_gallery/macos/Flutter/GeneratedPluginRegistrant.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,11 @@
import FlutterMacOS
import Foundation

import path_provider_foundation
import shared_preferences_foundation
import sqflite_darwin
import webview_flutter_wkwebview

func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
WebViewFlutterPlugin.register(with: registry.registrar(forPlugin: "WebViewFlutterPlugin"))
Expand Down
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