treemap_ui 0.3.3

  • Installing
  • Versions
  • 25


A generic treemap user interface component for web applications written in Dart.


  • Highly customizable through a exentsible data model
  • Supports live updates and user interaction
  • Includes several common layout algorithms
    • Slice-And-Dice
    • Strip
    • Squarified
    • Split
    • Pivot-by-Size
    • Pivot-by-Middle


Install bleeding edge version

Add this to your pubspec.yaml:


Then run the package manager pub:

pub install


Patches and pull requests are welcome. Please file issues in our issue tracker.


We follow Semantic Versioning.


Licensed under the Apache License, Version 2.0

1. Depend on it

Add this to your package's pubspec.yaml file:

  treemap_ui: "^0.3.3"

2. Install it

You can install packages from the command line:

with pub:

$ pub get

Alternatively, your editor might support pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:treemap_ui/treemap_ui.dart';
Version Uploaded Documentation Archive
0.3.3 Nov 12, 2013 Go to the documentation of treemap_ui 0.3.3 Download treemap_ui 0.3.3 archive
0.3.2 Oct 21, 2013 Go to the documentation of treemap_ui 0.3.2 Download treemap_ui 0.3.2 archive
0.3.1 Oct 9, 2013 Go to the documentation of treemap_ui 0.3.1 Download treemap_ui 0.3.1 archive
0.3.0 Aug 27, 2013 Go to the documentation of treemap_ui 0.3.0 Download treemap_ui 0.3.0 archive
0.2.2 Aug 16, 2013 Go to the documentation of treemap_ui 0.2.2 Download treemap_ui 0.2.2 archive
0.2.1+4 Jul 16, 2013 Go to the documentation of treemap_ui 0.2.1+4 Download treemap_ui 0.2.1+4 archive
0.2.1+3 Jul 16, 2013 Go to the documentation of treemap_ui 0.2.1+3 Download treemap_ui 0.2.1+3 archive
0.2.1+2 Jul 16, 2013 Go to the documentation of treemap_ui 0.2.1+2 Download treemap_ui 0.2.1+2 archive
0.2.1+1 Jul 16, 2013 Go to the documentation of treemap_ui 0.2.1+1 Download treemap_ui 0.2.1+1 archive
0.2.1 Jul 16, 2013 Go to the documentation of treemap_ui 0.2.1 Download treemap_ui 0.2.1 archive

All 11 versions...


We analyzed this package on Mar 5, 2018, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.0.0-dev.31.0
  • pana: 0.10.3


Describes how popular the package is relative to other packages. [more]
0 / 100
Code health derived from static analysis. [more]
82 / 100
Reflects how tidy and up-to-date the package is. [more]
0 / 100
Overall score:
Weighted score of the above. [more]
Learn more about scoring.


Detected platforms: web

Primary library: package:treemap_ui/treemap_ui.dart with components: html.


  • Maintain

    Changelog entries help clients to follow the progress in your code.

  • Fix issues reported by dartanalyzer or dartfmt.

    dartanalyzer or dartfmt reported 14 errors 34 hints.

    Strong-mode analysis of lib/src/layout/squarified.dart failed with the following error:

    line: 21 col: 68
    The argument type 'List' can't be assigned to the parameter type 'Iterable<DataModel>'.

    Strong-mode analysis of lib/src/layout/strip.dart failed with the following error:

    line: 23 col: 58
    The argument type 'List' can't be assigned to the parameter type 'Iterable<DataModel>'.

    Similar analysis of the following files failed:

    • lib/src/utils/color.dart (error)
    • lib/src/utils/observable_list.dart (error)
    • lib/src/utils/orientation.dart (error)
    • lib/src/utils/percentage.dart (error)
    • lib/layout.dart (hint)
    • lib/model.dart (hint)
    • lib/src/layout/layout_algorithm.dart (hint)
    • lib/src/layout/layout_utils.dart (hint)
    • lib/src/layout/pivot.dart (hint)
    • lib/src/layout/slice_and_dice.dart (hint)
    • lib/src/layout/split.dart (hint)
    • lib/src/model/branch.dart (hint)
    • lib/src/model/data_model.dart (hint)
    • lib/src/model/leaf.dart (hint)
    • lib/src/view/branch_node.dart (hint)
    • lib/src/view/decorator.dart (hint)
    • lib/src/view/default_branch_decorator.dart (hint)
    • lib/src/view/default_leaf_decorator.dart (hint)
    • lib/src/view/display_area.dart (hint)
    • lib/src/view/layout_aid.dart (hint)
    • lib/src/view/leaf_node.dart (hint)
    • lib/src/view/node.dart (hint)
    • lib/src/view/node_label.dart (hint)
    • lib/src/view/tooltip.dart (hint)
    • lib/src/view/treemap_style.dart (hint)
    • lib/src/view/view_model.dart (hint)
    • lib/treemap_ui.dart (hint)
    • lib/utils.dart (hint)
    • lib/view.dart (hint)
  • The description is too short.

    Add more detail about the package, what it does and what is its target use case. Try to write at least 60 characters.

  • Package is pre-v1 release.

    While there is nothing inherently wrong with versions of 0.*.*, it usually means that the author is still experimenting with the general direction API.

  • Maintain an example.

    None of the files in your example/ directory matches a known example patterns. Common file name patterns include: main.dart, example.dart or you could also use treemap_ui.dart.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=0.8.10+6 <2.0.0
browser >=0.6.3+1 <0.10.0 0.9.1 0.10.0+2
Dev dependencies
unittest >=0.9.0 <0.10.0