FlexGantt
Advanced Swing framework for customizable Gantt charting in Java.
- Supports diverse domains like ERP and production planning.
- Implements MVC architecture with customizable models and views.
- Features include layered rendering, paging, drag & drop, and undo/redo support.
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Model-View-Controller Architecture
FlexGantt follows Swing's MVC pattern, using distinct models for calendars, pagination, bookmarks, and the core Gantt chart data. Its Gantt chart model extends a tree table model to represent timeline objects such as activities, milestones, and events.
Layered Rendering System
It uses a unique layer-based approach for rendering, combining system layers for core visuals and multiple timeline object layers that enable grouping, visibility control, and transparency for overlapping elements.
Customizable Timeline Model
The timeline's structure and appearance are fully customizable. Developers can replace the timeline model and renderers or subclass the timeline entirely to display dates, weeks, or custom time indicators as needed.
Paging for Large Datasets
To handle extensive scheduling horizons, FlexGantt includes a paging model that divides the timeline into manageable pages, allowing efficient loading and navigation through different time spans.
Popups and Annotations
FlexGantt supports customizable popups triggered on hover, providing additional details and user-defined annotations for timeline objects, enhancing decision-making during scheduling.
Relationship Visualization
The framework enables rendering of various relationship types between timeline objects, such as dependency constraints, through customizable line styles and colors to define complex task interactions.
Split Screen View
FlexGantt includes a dual Gantt chart feature allowing synchronized horizontal scrolling to compare different data sets or planning models side by side, improving analysis and editing workflows.
Drag & Drop Editing with Snapping Grid
Timeline objects can be dragged, resized, and repositioned with an optional invisible snapping grid controlled by policies, enabling precise alignment to any time interval from milliseconds to years.
Policy-Based Customization Framework
Behavioral policies finely control visualization, editing, and user interactions. These stateless components make it easy to adjust the Gantt chart to specific application requirements without heavy coding.
Pluggable Renderers and Editors
Renderers and editors for all UI elements like tree table cells, timeline objects, and popups are replaceable, allowing developers to tailor the UI appearance and interaction fully to their needs.
Command Framework with Undo/Redo
The built-in command infrastructure supports executing, undoing, and redoing editing actions with thread-safe operation and progress monitoring, maintaining responsive user interfaces during complex changes.
Support for Lazy Loading
Designed for scalability, FlexGantt supports lazy loading of data, fetching timeline objects on demand as users expand tree nodes or navigate pages, which optimizes performance in large datasets.
Multiline Display of Timeline Objects
The multiline feature lets the framework display overlapping timeline objects vertically within the same row to prevent visual clutter and improve readability in dense schedules.
Product Compatibility
Review the details below to ensure this product is supported within your environment.
Component Type
- Java
Java Platform
- Java Class
- JavaBean
IDE Support
- Eclipse
- IntelliJ IDEA
- Oracle JDeveloper
- Oracle Solaris Studio
- Visual Café
About DLSC
DLSC, established in Germany, focuses on developing professional JavaFX controls and components for modern Java desktop applications. Founded by Dirk Lemmermann, it has built a strong reputation among enterprise clients and technology leaders for its highly specialized libraries, including well-known offerings like FlexGanttFX and FormsFX. DLSC’s components support the creation of sophisticated, interactive user interfaces while addressing common requirements in real-world JavaFX projects. Organizations such as NASA, Airbus, Siemens, and Lockheed Martin have relied on its JavaFX libraries for application development that demands reliability and advanced UI capabilities.
As official and authorized distributors since 2007, ComponentSource supplies you with legitimate licenses directly from DLSC.