Foblex Flow
Introduction
Overview
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Drag Handle
Node Selection
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New
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Viewport
Minimap
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New
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New
Editor Helpers
Selection Area
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Add Node from Palette
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New
Help in Positioning (Legacy)
Deprecated
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State
New
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New
Performance
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Reference Apps
AI Low-Code Platform
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Call Center Flow
UML Diagram
Tournament Bracket
Foblex Flow

Selection Area

Description

This guide shows how to add a selection area to the canvas. Use the Shift key and the mouse to select multiple nodes with a rectangle, which is a baseline interaction for larger node editors and workflow tools.

Selection area becomes important as soon as users need to move, delete, group, or inspect several nodes at once. Without it, a graph interface quickly becomes frustrating on dense canvases.

Example

[example.html] <<< https://raw.githubusercontent.com/Foblex/f-flow/main/libs/f-examples/extensions/selection-area/example.html [example.ts] <<< https://raw.githubusercontent.com/Foblex/f-flow/main/libs/f-examples/extensions/selection-area/example.ts [example.scss] <<< https://raw.githubusercontent.com/Foblex/f-flow/main/libs/f-examples/extensions/selection-area/example.scss

When to use it

  • Multi-select nodes before moving or deleting them.
  • Prepare groups or batch operations.
  • Improve keyboard-and-mouse workflows in larger diagrams.

Once your canvas holds more than a handful of nodes, box selection usually becomes a core interaction instead of an optional enhancement.

It also pairs naturally with grouping, alignment helpers, and undo/redo workflows.

Related docs

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