fix(tree): [tree] fix parent node toggle when click child node margin

[gimmyhehe]

… close #2491

PR

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our Commit Message Guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• [x] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No

Other information

close #2491

Summary by CodeRabbit

• New Features

  • Enhanced tree component interactivity with new functions for icon display and indentation.
  • Added ref attribute for improved manipulation of tree node content.

• Bug Fixes

  • Improved click handling to prevent parent node collapse when clicking on whitespace.
  • Refined checkbox click behavior to allow event propagation.

• Chores

  • Updated version number of the @opentiny/vue-tree package from 3.19.1 to 3.19.2.

[coderabbitai[bot]]

Walkthrough

The pull request introduces several modifications to the tree component's functionality, primarily in the packages/renderless/src/tree-node/index.ts file. Key changes include the addition of two functions for managing icons and indentation, updates to click handling logic to prevent unintended collapses, and refinements in event handling for state changes. The package.json file reflects a version update, while the TreeNode component in the Vue file gains a new reference for the content section, impacting event propagation.

Changes

File Path	Change Summary
packages/renderless/src/tree-node/index.ts	- Added computedExpandIcon and computedIndent functions. - Updated handleClick to prevent parent collapse on whitespace clicks. - Refined handleCheckChange for state management. - Enhanced handleContextMenu for better visibility management.
packages/vue/src/tree/package.json	- Updated version from 3.19.1 to 3.19.2.
packages/vue/src/tree/src/tree-node.vue	- Added ref="content" to the content div. - Removed @click.stop from tiny-checkbox.

Assessment against linked issues

Objective	Addressed	Explanation
Cancel event trigger on whitespace clicks to avoid unintended collapses (2491)	✅

Possibly related PRs

• #2247: Modifies the tree component's structure and styling, relevant to the event handling changes.
• #2319: Involves a refactor of the tree theme, aligning with visual representation changes.
• #2470: Updates tree demos and modifies button border color, relating to overall visual representation.

Suggested reviewers

• zzcr

🐰 In the tree where the branches sway,
A click on the whitespace won't lead you astray.
Icons now shine, and nodes stand tall,
With each little change, we’re having a ball!
So hop along, dear friends, don’t delay,
The tree's now a joy in every way! 🌳✨

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