General.Web/wwwroot/lib/codemirror-5.31.0/src/edit/commands.js

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import { deleteNearSelection } from "./deleteNearSelection"
import { runInOp } from "../display/operations"
import { ensureCursorVisible } from "../display/scrolling"
import { endOfLine } from "../input/movement"
import { clipPos, Pos } from "../line/pos"
import { visualLine, visualLineEnd } from "../line/spans"
import { getLine, lineNo } from "../line/utils_line"
import { Range } from "../model/selection"
import { selectAll } from "../model/selection_updates"
import { countColumn, sel_dontScroll, sel_move, spaceStr } from "../util/misc"
import { getOrder } from "../util/bidi"

// Commands are parameter-less actions that can be performed on an
// editor, mostly used for keybindings.
export let commands = {
  selectAll: selectAll,
  singleSelection: cm => cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll),
  killLine: cm => deleteNearSelection(cm, range => {
    if (range.empty()) {
      let len = getLine(cm.doc, range.head.line).text.length
      if (range.head.ch == len && range.head.line < cm.lastLine())
        return {from: range.head, to: Pos(range.head.line + 1, 0)}
      else
        return {from: range.head, to: Pos(range.head.line, len)}
    } else {
      return {from: range.from(), to: range.to()}
    }
  }),
  deleteLine: cm => deleteNearSelection(cm, range => ({
    from: Pos(range.from().line, 0),
    to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
  })),
  delLineLeft: cm => deleteNearSelection(cm, range => ({
    from: Pos(range.from().line, 0), to: range.from()
  })),
  delWrappedLineLeft: cm => deleteNearSelection(cm, range => {
    let top = cm.charCoords(range.head, "div").top + 5
    let leftPos = cm.coordsChar({left: 0, top: top}, "div")
    return {from: leftPos, to: range.from()}
  }),
  delWrappedLineRight: cm => deleteNearSelection(cm, range => {
    let top = cm.charCoords(range.head, "div").top + 5
    let rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
    return {from: range.from(), to: rightPos }
  }),
  undo: cm => cm.undo(),
  redo: cm => cm.redo(),
  undoSelection: cm => cm.undoSelection(),
  redoSelection: cm => cm.redoSelection(),
  goDocStart: cm => cm.extendSelection(Pos(cm.firstLine(), 0)),
  goDocEnd: cm => cm.extendSelection(Pos(cm.lastLine())),
  goLineStart: cm => cm.extendSelectionsBy(range => lineStart(cm, range.head.line),
    {origin: "+move", bias: 1}
  ),
  goLineStartSmart: cm => cm.extendSelectionsBy(range => lineStartSmart(cm, range.head),
    {origin: "+move", bias: 1}
  ),
  goLineEnd: cm => cm.extendSelectionsBy(range => lineEnd(cm, range.head.line),
    {origin: "+move", bias: -1}
  ),
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