scroll chat down when non user scroll action

[FredLL-Avaiga]

resolves #2281

What type of PR is this? (check all applicable)

• Refactor
• Feature
• Bug Fix
• Optimization
• Documentation Update

Description

scroll down on every data change if no user scroll action

Related Tickets & Documents

• Closes [🐛 BUG] Chat control should automatically scroll down when a new message is added #2281

How to reproduce the issue

import taipy.gui.builder as tgb
from taipy.gui import Gui

messages = []


def evaluate(state, var_name: str, payload: dict):
    args = payload.get("args", [])
    state.messages.append(
        [len(state.messages), args[2], args[3]]
    )
    state.messages.append(
        [len(state.messages), "The MP5 is pretty fun to shoot actually, virtually no recoil", "Robot"]
    )
    state.messages = state.messages


with tgb.Page() as page_home:
    tgb.chat(
        messages="{messages}",
        on_action=evaluate,
        height="80vh",
    )

if __name__ == "__main__":
    Gui(page=page_home).run(title="2281 [🐛 BUG] Chat control should automatically scroll down when a new message is added")

[github-actions]

Coverage report for ./frontend/taipy

Caution

Coverage does not meet threshold
Statements coverage not met for global: expected >=80%, but got 51.87376725838264%

St.❔	Category	Percentage	Covered / Total
🔴	Statements	51.87%	263/507
🔴	Branches	21.61%	67/310
🔴	Functions	14.66%	17/116
🔴	Lines	53.19%	242/455

Test suite run success

7 tests passing in 1 suite.

Report generated by 🧪jest coverage report action from 454c263

[github-actions]

☂️ Python Coverage

current status: ✅

Overall Coverage

Lines	Covered	Coverage	Threshold	Status
19486	16952	87%	0%	🟢

New Files

No new covered files...

Modified Files

No covered modified files...

updated for commit: 454c263 by action🐍

[FabienLelaquais]

👍