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https://github.com/rickypid/widget_tree_depth_counter
Widget to count the amount of nested widget tree, useful in the dynamic construction of the interface when it is important to know the depth of widget.
https://github.com/rickypid/widget_tree_depth_counter
counter dart flutter flutter-package flutter-packages nested nested-widgets package pubdev widget widget-tree widgets-counter
Last synced: about 1 month ago
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Widget to count the amount of nested widget tree, useful in the dynamic construction of the interface when it is important to know the depth of widget.
- Host: GitHub
- URL: https://github.com/rickypid/widget_tree_depth_counter
- Owner: rickypid
- License: bsd-3-clause
- Created: 2021-12-16T13:00:50.000Z (almost 3 years ago)
- Default Branch: master
- Last Pushed: 2023-04-10T19:30:53.000Z (over 1 year ago)
- Last Synced: 2024-10-01T17:06:37.620Z (about 2 months ago)
- Topics: counter, dart, flutter, flutter-package, flutter-packages, nested, nested-widgets, package, pubdev, widget, widget-tree, widgets-counter
- Language: Dart
- Homepage: https://pub.dev/packages/widget_tree_depth_counter
- Size: 95.7 KB
- Stars: 7
- Watchers: 2
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
#### widget_tree_depth_counter
# Widget Tree Depth Counter
[](https://github.com/rickypid/widget_tree_depth_counter)
[](https://pub.dartlang.org/packages/widget_tree_depth_counter)
[](https://pub.dev/packages/widget_tree_depth_counter/score)
[](https://pub.dev/packages/widget_tree_depth_counter/score)
[](https://github.com/rickypid/widget_tree_depth_counter/issues)
`WidgetTreeDepthCounter` is a simple widget to count the amount of nested widget tree, useful in the dynamic construction of the interface when it is important to know the depth of widget.
|  |
| :------------: |
| **WidgetTreeDepthCounter** |
## Features
* count of the depth of the widget with respect to the tree **(all uses of WidgetTreeDepthCounter in the current tree are counted, the other types of widgets are not counted)**
This widget can be used conveniently in such cases:
- Dynamically manage the colors of widgets based on their position in the tree
- in an app that manages chapter numbers it is very easy to renumber them in case a chapter is removed.
- ...
Many other cases where it is very difficult to manage a widget through fixed parameters to be managed based on the construction of the tree.
## Usage
Make sure to check out the [examples on GitHub](https://github.com/rickypid/widget_tree_depth_counter/tree/master/example).
|  |
| :------------: |
| **Example of operation in a widget tree** |
### Installation
#### From `pubspec.yaml`
Add the following line to `pubspec.yaml`:
```yaml
dependencies:
widget_tree_depth_counter:
```
and
```bash
flutter pub get
```
#### From cli
run following command:
```bash
flutter pub add widget_tree_depth_counter
```
### Basic setup
*Complete example [available here](https://github.com/rickypid/widget_tree_depth_counter/blob/master/example/lib/main.dart).*
```dart
ParentWidget(
child: WidgetTreeDepthCounter(
builder: (context, counter) => //counter=0
Container(
color: Theme.of(context)
.primaryColor
.withOpacity(counter * 0.05 + 0.05),
child: WidgetTreeDepthCounter(
builder: (context, counter) =>//counter=1
Container(
color: Theme.of(context)
.primaryColor
.withOpacity(counter * 0.05 + 0.05),
),
),
),
),
),
```
### WidgetTreeDepthCounter Properties
* `builder`: Function called at layout time to construct the widget tree, return `Widget`.
* `count`: With this parameter it's possible define or overwrite the current depth count value.
### Use current `counter` value during build `WidgetTreeDepthCounter`
`WidgetTreeDepthCounter` uses [Provider](https://pub.dev/packages/provider) library to count the depth, but if it is necessary to access the current value to perform a sum (for example), it is possible to retrieve the count value through the `Provider 'functions:
```dart
WidgetTreeDepthCounter(
count: context.read().value + 2,
builder: (context, counter) =>
Text(counter.toString()),
)
```
**Obviously to access the value via `context.read()` it is necessary that at least one `WidgetTreeDepthCounter` is present in the tree and `provider` package is required.**
## 📚 My open source projects
### Flutter
| Package | Verison | Score | Likes | Test | Coverage |
|--|--|--|--|--|--|
| [](https://github.com/rickypid/flutter_expandable_table) | [](https://pub.dartlang.org/packages/flutter_expandable_table) | [](https://pub.dev/packages/flutter_expandable_table/score) | [](https://pub.dev/packages/flutter_expandable_table/score) | | |
| [](https://github.com/rickypid/widget_tree_depth_counter) | [](https://pub.dartlang.org/packages/widget_tree_depth_counter) | [](https://pub.dev/packages/widget_tree_depth_counter/score) | [](https://pub.dev/packages/widget_tree_depth_counter/score) | | |
| [](https://github.com/rickypid/flutter_scroll_shadow) | [](https://pub.dartlang.org/packages/flutter_scroll_shadow) | [](https://pub.dev/packages/flutter_scroll_shadow/score) | [](https://pub.dev/packages/flutter_scroll_shadow/score) | | |
| [](https://github.com/rickypid/flutter_bargraph) | [](https://pub.dartlang.org/packages/flutter_bargraph) | [](https://pub.dev/packages/flutter_bargraph/score) | [](https://pub.dev/packages/flutter_bargraph/score) | | |
### Dart
| Package | Verison | Score | Likes | Test | Coverage |
|--|--|--|--|--|--|
| [](https://github.com/rickypid/cowsay) | [](https://pub.dartlang.org/packages/cowsay) | [](https://pub.dev/packages/cowsay/score) | [](https://pub.dev/packages/cowsay/score) | [](https://github.com/rickypid/cowsay/actions/workflows/test.yml) | [](https://codecov.io/gh/rickypid/cowsay) |
| [](https://github.com/rickypid/telegram_link) | [](https://pub.dartlang.org/packages/telegram_link) | [](https://pub.dev/packages/telegram_link/score) | [](https://pub.dev/packages/telegram_link/score) | [](https://github.com/rickypid/telegram_link/actions/workflows/test.yml) | [](https://codecov.io/gh/rickypid/telegram_link) |