Navigating Trees

The Navigator, Explorer Views, and Tree Views in PROLIN Smart Client all use tree structures for navigation. You can interact with these trees using three main methods:

• 🖱️ Using the Mouse
  
• ⌨️ Using the Keyboard
  
• 🔤 Typing Letters

The Navigation Tree

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🖱️ Using the Mouse

To expand or collapse branches:

• Click the expand sign (>) to expand a branch.
• Click the collapse sign (v) to collapse a branch.

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⌨️ Using the Keyboard

Use these keys for precise control over tree navigation:

• Numeric Key + – Expand current selection
• Numeric Key - – Collapse current selection
• Right Arrow – Expand current node or select its first child
• Left Arrow – Collapse current node or select its parent
• Down Arrow – Move to the next item
• Up Arrow – Move to the previous item

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🔤 Typing Letters (Incremental Search)

To find an item quickly by name:

1. Select any item in the tree.
2. Start typing the first few letters of the desired item’s name:
   • First letter selects the first matching item.
   • Second letter narrows it further, and so on.

Typing in the Navigator

You can type at any speed or pause between letters. To start a new search sequence:

• Press Esc
• Click outside the tree
• Use the mouse to select a different node

Navigator Tree Filter

In the Navigator, a real-time filter applies as you type:

• A tooltip balloon displays the filter string and number of matches.
• Non-matching items are hidden from view.
• This filter is unique to the Navigator and does not apply to other tree views.

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📌 See also: Using Shortcut Keys