UML Editor

A lightweight UML editor designed to create, manage, and edit UML diagrams with ease. This project implements the core functionalities of a UML editor as specified in the requirement document.

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🚀 Features

Object Creation

• Basic Objects: Create UML elements like Class and Use Case diagrams.
• Connection Lines: Support for Association, Generalization, and Composition lines with precise port-based connections.

Object Management

• Select/Unselect:
  • Single object or group of objects.
  • Display connection ports for selected objects.
• Group/Ungroup:
  • Combine multiple basic objects into a composite object.
  • Decompose composite objects back into individual components.

Object Interaction

• Move Objects: Drag and drop objects while maintaining connected lines.
• Edit Object Names: Rename selected objects using a text input dialog.
• Delete Objects: Remove selected objects or lines from the canvas.

Additional Functionalities

• Object Depth: Render overlapping objects based on depth hierarchy.
• User-friendly UI: Button-based mode switching for object and line creation.

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🛠️ Technologies Used

• Programming Language: Java
• Framework: Swing/JavaFX (for GUI development)
• Design Paradigm: Object-Oriented Design and UML principles

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📋 Use Cases

1. Creating Objects

• Precondition: User selects Class or Use Case button.
• Steps:
  1. Click the button (turns active).
  2. Click on the canvas to create the object at the clicked position.
• Alternative: Clicking another button switches to its mode.

2. Creating Connections

• Precondition: User selects a connection line type (e.g., Association).
• Steps:
  1. Click and drag from one object to another.
  2. Release to establish the connection with appropriate line styles.

3. Selecting Objects

• Single Select:
  • Click an object to highlight it.
• Group Select:
  • Drag a rectangle to select multiple objects.
  • All objects fully enclosed within the rectangle are selected.

4. Grouping/Ungrouping

• Group:
  • Select multiple objects and choose Group from the Edit Menu.
• Ungroup:
  • Select a composite object and choose Ungroup from the Edit Menu.

5. Moving Objects

• Drag and drop selected objects.
• Connections adjust dynamically based on the new position.

6. Editing Object Names

• Select an object, open the Edit Menu, and choose Change Object Name.

7. Deleting Objects

• Select an object or connection, and delete it via the Edit Menu.

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🛠️ Installation & Setup

1. Clone the repository:

   git clone https://github.com/your-username/UML-Editor.git
   cd UML-Editor