MultilineDemo | Answering a question on SO | iOS library
kandi X-RAY | MultilineDemo Summary
kandi X-RAY | MultilineDemo Summary
This projects demostrates how you can have a multiple line UILabel collapse and expand within a UITableView. It uses dynamic cell sizing and autolayout. In did select row at index path the key code is below. It triggers a table view animation and simply toggles the number of lines between 0 and 1 or 1 and 0. (When you sent numberOfLines to 0 it is a special value that means "any number of lines.". I am including the whole project here because there are many small mistakes you can make so that this doesn't work. (Many newer developers fall back to computing font metrics manually, or hard coded numbers because they assume it can't be done.).
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QUESTION
I am modifying the MultilineDemo that comes with VirtualTreeView's git folder (Virtual-TreeView-master\Demos\Advanced). I have just removed the multiline 'display' code and added code to the VST's onClick handler to make the clicked node editable.
I want to enter multiline text into a node like TMemo but, the enter or shift+enter key presses finish the editing. See the image below. I couldn't find a keypress event for a node in VST property panel for modifying the default behavior. My goal is to have a tree like control with nodes capable of multiline input
I don't think I have to post any code from my current application.
...ANSWER
Answered 2017-May-29 at 10:28You need to implement your own IVTEditLink
editor, create a memo control and handle its key down event. See the /Demos/Advanced/Editors.pas unit for vtMemo
type of values. It does almost what you want. It shows how to create a memo control as a node editor and how to handle the editor's control key down event (in this case the EditKeyDown
method).
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