Ace OpenAI floating code assistant #5390

ldijkman · 2023-11-13T21:28:50Z

ldijkman
Nov 13, 2023

https://ldijkman.github.io/Ace_Seventh_Heaven/The_AfterWorld.html

ldijkman · 2023-12-03T10:13:33Z

ldijkman
Dec 3, 2023
Author

asking to ai

is there also underscroll scroll before begin

As of my knowledge cutoff date in early 2023, Ace Editor does not have a built-in feature specifically called "underscroll," which would allow scrolling before the beginning of the document in the same way that "overscroll" allows scrolling beyond the end.

Overscroll is a common feature in text editors because it can make it easier to view and edit the bottom part of a document without the need to have it right at the bottom edge of the editor's viewport. However, since the top part of a document is already naturally positioned at the top of the editor's viewport, an "underscroll" feature is less common and generally not necessary.

If you still want to achieve a similar effect for the top of the document (for example, to provide some visual padding), you could potentially use CSS to add padding to the top of the editor's content. This wouldn't be true "underscroll" but would give the document content some space from the top edge of the editor.

Here's a simple CSS approach to add padding to the top of the Ace Editor content:

.ace_scroller {
    padding-top: 30px; /* Adjust the value as needed */
}

Please note that adding padding in this way might interfere with the editor's line numbering and other features, so you'll need to test thoroughly to ensure it doesn't disrupt the user experience.

For a more integrated solution, you could potentially modify the Ace Editor's renderer to include additional space at the top, but such a modification would require a deeper understanding of the Ace Editor's internals and is not supported out of the box.

insert lines to get underscroll
While Ace Editor doesn't natively support "underscroll" in the same way it does "overscroll," you can simulate underscroll by inserting empty lines at the beginning of the document. This will give the appearance of scrolling space above the actual start of your content.

Here's an example of how to add empty lines to the start of an Ace Editor instance to create a simulated "underscroll" effect:

// Assuming you have already initialized the Ace Editor and have an `editor` variable:

// Function to add empty lines at the start of the document
function addPaddingLines(lineCount) {
    var Range = ace.require('ace/range').Range;
    // Create a range representing the start of the document
    var range = new Range(0, 0, 0, 0);
    // Generate empty lines
    var padding = Array(lineCount + 1).join('\n');
    // Insert the padding into the document
    editor.session.replace(range, padding);
}

// Add 10 empty lines at the beginning for padding
addPaddingLines(10);

This code will add 10 empty lines to the start of the document, creating space at the top that the user can scroll into, similar to how you would scroll past the end with overscroll.

Here's a complete HTML example including the JavaScript function:

<!DOCTYPE html>
<html>
<head>
    <title>Ace Editor Simulated Underscroll Example</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ace.js"></script>
    <style>
        #editor {
            width: 600px;
            height: 300px;
        }
    </style>
</head>
<body>

<div id="editor">console.log('Hello, world!');</div>

<script>
    var editor = ace.edit("editor");
    editor.setTheme("ace/theme/monokai");
    editor.session.setMode("ace/mode/javascript");

    var Range = ace.require('ace/range').Range;

    function addPaddingLines(lineCount) {
        var range = new Range(0, 0, 0, 0);
        var padding = Array(lineCount + 1).join('\n');
        editor.session.replace(range, padding);
    }

    addPaddingLines(10); // Add 10 empty lines at the beginning for padding
</script>

</body>
</html>

When you open this HTML file in a browser, you'll see an Ace Editor instance with 10 empty lines at the top, simulating an "underscroll" effect. This approach provides a workaround for the lack of native underscroll functionality in Ace Editor.

https://ldijkman.github.io/Ace_Seventh_Heaven/The_AfterWorld.html

0 replies

nightwing · 2023-12-03T11:40:33Z

nightwing
Dec 3, 2023
Maintainer

there is scrollMargin allowing extra scroll in any direction https://ajaxorg.github.io/ace-api-docs/classes/Ace.VirtualRenderer.html#setScrollMargin

0 replies

ldijkman · 2023-12-03T12:08:43Z

ldijkman
Dec 3, 2023
Author

ok
thanks for your answer
chat gpt 4, did not know it ;-_

0 replies

ldijkman · 2023-12-03T12:14:21Z

ldijkman
Dec 3, 2023
Author

hmmm it knows it

ace editor setScrollMargin
Ace Editor provides a method called setScrollMargin that you can use to set padding at the top and bottom of the editor. This method allows extra space to be visible at the top and bottom inside the editor, which can create a similar effect to "underscroll" and "overscroll".

The setScrollMargin method takes four arguments: top, bottom, left, and right. To create a space at the top and bottom of the editor, you only need to specify the top and bottom values.

Here's how you can use setScrollMargin to add space at the top and bottom of an Ace Editor instance:

<!DOCTYPE html>
<html>
<head>
    <title>Ace Editor Scroll Margin Example</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.4.12/ace.js"></script>
    <style>
        #editor {
            width: 600px;
            height: 300px;
        }
    </style>
</head>
<body>

<div id="editor">console.log('Hello, world!');</div>

<script>
    var editor = ace.edit("editor");
    editor.setTheme("ace/theme/monokai");
    editor.session.setMode("ace/mode/javascript");

    // Set scroll margin (top, bottom, left, right)
    editor.renderer.setScrollMargin(50, 50, 0, 0); // Adds 50px padding at the top and bottom
</script>

</body>
</html>

In this example, we've added a 50px margin to the top and bottom inside the editor's viewport, which allows the user to scroll the content away from the edges of the editor, enhancing the reading and editing experience.

When you load this HTML file in a web browser, you will see an Ace Editor with extra padding at the top and bottom within the editor's area, enabling you to scroll the content up and down more comfortably.

https://ldijkman.github.io/Ace_Seventh_Heaven/The_AfterWorld.html

0 replies

ldijkman · 2023-12-08T04:18:43Z

ldijkman
Dec 8, 2023
Author

ace editor color picker backround, adjust / change theme color background

https://codepen.io/ldijkman/pen/KKJJLBg?editors=1010

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Ace OpenAI floating code assistant #5390

ldijkman Nov 13, 2023

Replies: 5 comments

ldijkman Dec 3, 2023 Author

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