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comparison .cms/lib/codemirror/src/display/gutters.js @ 0:78edf6b517a0 draft

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24.10
author Coffee CMS <info@coffee-cms.ru>
date Fri, 11 Oct 2024 22:40:23 +0000
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-1:000000000000 0:78edf6b517a0
1 import { elt, removeChildren } from "../util/dom.js"
2 import { regChange } from "./view_tracking.js"
3 import { alignHorizontally } from "./line_numbers.js"
4 import { updateGutterSpace } from "./update_display.js"
5
6 export function getGutters(gutters, lineNumbers) {
7 let result = [], sawLineNumbers = false
8 for (let i = 0; i < gutters.length; i++) {
9 let name = gutters[i], style = null
10 if (typeof name != "string") { style = name.style; name = name.className }
11 if (name == "CodeMirror-linenumbers") {
12 if (!lineNumbers) continue
13 else sawLineNumbers = true
14 }
15 result.push({className: name, style})
16 }
17 if (lineNumbers && !sawLineNumbers) result.push({className: "CodeMirror-linenumbers", style: null})
18 return result
19 }
20
21 // Rebuild the gutter elements, ensure the margin to the left of the
22 // code matches their width.
23 export function renderGutters(display) {
24 let gutters = display.gutters, specs = display.gutterSpecs
25 removeChildren(gutters)
26 display.lineGutter = null
27 for (let i = 0; i < specs.length; ++i) {
28 let {className, style} = specs[i]
29 let gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className))
30 if (style) gElt.style.cssText = style
31 if (className == "CodeMirror-linenumbers") {
32 display.lineGutter = gElt
33 gElt.style.width = (display.lineNumWidth || 1) + "px"
34 }
35 }
36 gutters.style.display = specs.length ? "" : "none"
37 updateGutterSpace(display)
38 }
39
40 export function updateGutters(cm) {
41 renderGutters(cm.display)
42 regChange(cm)
43 alignHorizontally(cm)
44 }