Mercurial
comparison .cms/lib/codemirror/src/input/indent.js @ 0:78edf6b517a0 draft
24.10
| author | Coffee CMS <info@coffee-cms.ru> |
|---|---|
| date | Fri, 11 Oct 2024 22:40:23 +0000 |
| parents | |
| children |
comparison
equal
deleted
inserted
replaced
| -1:000000000000 | 0:78edf6b517a0 |
|---|---|
| 1 import { getContextBefore } from "../line/highlight.js" | |
| 2 import { Pos } from "../line/pos.js" | |
| 3 import { getLine } from "../line/utils_line.js" | |
| 4 import { replaceRange } from "../model/changes.js" | |
| 5 import { Range } from "../model/selection.js" | |
| 6 import { replaceOneSelection } from "../model/selection_updates.js" | |
| 7 import { countColumn, Pass, spaceStr } from "../util/misc.js" | |
| 8 | |
| 9 // Indent the given line. The how parameter can be "smart", | |
| 10 // "add"/null, "subtract", or "prev". When aggressive is false | |
| 11 // (typically set to true for forced single-line indents), empty | |
| 12 // lines are not indented, and places where the mode returns Pass | |
| 13 // are left alone. | |
| 14 export function indentLine(cm, n, how, aggressive) { | |
| 15 let doc = cm.doc, state | |
| 16 if (how == null) how = "add" | |
| 17 if (how == "smart") { | |
| 18 // Fall back to "prev" when the mode doesn't have an indentation | |
| 19 // method. | |
| 20 if (!doc.mode.indent) how = "prev" | |
| 21 else state = getContextBefore(cm, n).state | |
| 22 } | |
| 23 | |
| 24 let tabSize = cm.options.tabSize | |
| 25 let line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize) | |
| 26 if (line.stateAfter) line.stateAfter = null | |
| 27 let curSpaceString = line.text.match(/^\s*/)[0], indentation | |
| 28 if (!aggressive && !/\S/.test(line.text)) { | |
| 29 indentation = 0 | |
| 30 how = "not" | |
| 31 } else if (how == "smart") { | |
| 32 indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text) | |
| 33 if (indentation == Pass || indentation > 150) { | |
| 34 if (!aggressive) return | |
| 35 how = "prev" | |
| 36 } | |
| 37 } | |
| 38 if (how == "prev") { | |
| 39 if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize) | |
| 40 else indentation = 0 | |
| 41 } else if (how == "add") { | |
| 42 indentation = curSpace + cm.options.indentUnit | |
| 43 } else if (how == "subtract") { | |
| 44 indentation = curSpace - cm.options.indentUnit | |
| 45 } else if (typeof how == "number") { | |
| 46 indentation = curSpace + how | |
| 47 } | |
| 48 indentation = Math.max(0, indentation) | |
| 49 | |
| 50 let indentString = "", pos = 0 | |
| 51 if (cm.options.indentWithTabs) | |
| 52 for (let i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t"} | |
| 53 if (pos < indentation) indentString += spaceStr(indentation - pos) | |
| 54 | |
| 55 if (indentString != curSpaceString) { | |
| 56 replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input") | |
| 57 line.stateAfter = null | |
| 58 return true | |
| 59 } else { | |
| 60 // Ensure that, if the cursor was in the whitespace at the start | |
| 61 // of the line, it is moved to the end of that space. | |
| 62 for (let i = 0; i < doc.sel.ranges.length; i++) { | |
| 63 let range = doc.sel.ranges[i] | |
| 64 if (range.head.line == n && range.head.ch < curSpaceString.length) { | |
| 65 let pos = Pos(n, curSpaceString.length) | |
| 66 replaceOneSelection(doc, i, new Range(pos, pos)) | |
| 67 break | |
| 68 } | |
| 69 } | |
| 70 } | |
| 71 } |