import { onBlur } from "../display/focus.js"
import { getGutters, updateGutters } from "../display/gutters.js"
import { loadMode, resetModeState } from "../display/mode_state.js"
import { initScrollbars, updateScrollbars } from "../display/scrollbars.js"
import { updateSelection } from "../display/selection.js"
import { regChange } from "../display/view_tracking.js"
import { getKeyMap } from "../input/keymap.js"
import { defaultSpecialCharPlaceholder } from "../line/line_data.js"
import { Pos } from "../line/pos.js"
import { findMaxLine } from "../line/spans.js"
import { clearCaches, compensateForHScroll, estimateLineHeights } from "../measurement/position_measurement.js"
import { replaceRange } from "../model/changes.js"
import { mobile, windows } from "../util/browser.js"
import { addClass, rmClass } from "../util/dom.js"
import { off, on } from "../util/event.js"
import { themeChanged } from "./utils.js"
export let Init = {toString: function(){return "CodeMirror.Init"}}
export let defaults = {}
export let optionHandlers = {}
export function defineOptions(CodeMirror) {
let optionHandlers = CodeMirror.optionHandlers
function option(name, deflt, handle, notOnInit) {
CodeMirror.defaults[name] = deflt
if (handle) optionHandlers[name] =
notOnInit ? (cm, val, old) => {if (old != Init) handle(cm, val, old)} : handle
}
CodeMirror.defineOption = option
// Passed to option handlers when there is no old value.
CodeMirror.Init = Init
// These two are, on init, called from the constructor because they
// have to be initialized before the editor can start at all.
option("value", "", (cm, val) => cm.setValue(val), true)
option("mode", null, (cm, val) => {
cm.doc.modeOption = val
loadMode(cm)
}, true)
option("indentUnit", 2, loadMode, true)
option("indentWithTabs", false)
option("smartIndent", true)
option("tabSize", 4, cm => {
resetModeState(cm)
clearCaches(cm)
regChange(cm)
}, true)
option("lineSeparator", null, (cm, val) => {
cm.doc.lineSep = val
if (!val) return
let newBreaks = [], lineNo = cm.doc.first
cm.doc.iter(line => {
for (let pos = 0;;) {
let found = line.text.indexOf(val, pos)
if (found == -1) break
pos = found + val.length
newBreaks.push(Pos(lineNo, found))
}
lineNo++
})
for (let i = newBreaks.length - 1; i >= 0; i--)
replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length))
})
option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\u202d\u202e\u2066\u2067\u2069\ufeff\ufff9-\ufffc]/g, (cm, val, old) => {
cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g")
if (old != Init) cm.refresh()
})
option("specialCharPlaceholder", defaultSpecialCharPlaceholder, cm => cm.refresh(), true)
option("electricChars", true)
option("inputStyle", mobile ? "contenteditable" : "textarea", () => {
throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
}, true)
option("spellcheck", false, (cm, val) => cm.getInputField().spellcheck = val, true)
option("autocorrect", false, (cm, val) => cm.getInputField().autocorrect = val, true)
option("autocapitalize", false, (cm, val) => cm.getInputField().autocapitalize = val, true)
option("rtlMoveVisually", !windows)
option("wholeLineUpdateBefore", true)
option("theme", "default", cm => {
themeChanged(cm)
updateGutters(cm)
}, true)
option("keyMap", "default", (cm, val, old) => {
let next = getKeyMap(val)
let prev = old != Init && getKeyMap(old)
if (prev && prev.detach) prev.detach(cm, next)
if (next.attach) next.attach(cm, prev || null)
})
option("extraKeys", null)
option("configureMouse", null)
option("lineWrapping", false, wrappingChanged, true)
option("gutters", [], (cm, val) => {
cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers)
updateGutters(cm)
}, true)
option("fixedGutter", true, (cm, val) => {
cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0"
cm.refresh()
}, true)
option("coverGutterNextToScrollbar", false, cm => updateScrollbars(cm), true)
option("scrollbarStyle", "native", cm => {
initScrollbars(cm)
updateScrollbars(cm)
cm.display.scrollbars.setScrollTop(cm.doc.scrollTop)
cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft)
}, true)
option("lineNumbers", false, (cm, val) => {
cm.display.gutterSpecs = getGutters(cm.options.gutters, val)
updateGutters(cm)
}, true)
option("firstLineNumber", 1, updateGutters, true)
option("lineNumberFormatter", integer => integer, updateGutters, true)
option("showCursorWhenSelecting", false, updateSelection, true)
option("resetSelectionOnContextMenu", true)
option("lineWiseCopyCut", true)
option("pasteLinesPerSelection", true)
option("selectionsMayTouch", false)
option("readOnly", false, (cm, val) => {
if (val == "nocursor") {
onBlur(cm)
cm.display.input.blur()
}
cm.display.input.readOnlyChanged(val)
})
option("screenReaderLabel", null, (cm, val) => {
val = (val === '') ? null : val
cm.display.input.screenReaderLabelChanged(val)
})
option("disableInput", false, (cm, val) => {if (!val) cm.display.input.reset()}, true)
option("dragDrop", true, dragDropChanged)
option("allowDropFileTypes", null)
option("cursorBlinkRate", 530)
option("cursorScrollMargin", 0)
option("cursorHeight", 1, updateSelection, true)
option("singleCursorHeightPerLine", true, updateSelection, true)
option("workTime", 100)
option("workDelay", 100)
option("flattenSpans", true, resetModeState, true)
option("addModeClass", false, resetModeState, true)
option("pollInterval", 100)
option("undoDepth", 200, (cm, val) => cm.doc.history.undoDepth = val)
option("historyEventDelay", 1250)
option("viewportMargin", 10, cm => cm.refresh(), true)
option("maxHighlightLength", 10000, resetModeState, true)
option("moveInputWithCursor", true, (cm, val) => {
if (!val) cm.display.input.resetPosition()
})
option("tabindex", null, (cm, val) => cm.display.input.getField().tabIndex = val || "")
option("autofocus", null)
option("direction", "ltr", (cm, val) => cm.doc.setDirection(val), true)
option("phrases", null)
}
function dragDropChanged(cm, value, old) {
let wasOn = old && old != Init
if (!value != !wasOn) {
let funcs = cm.display.dragFunctions
let toggle = value ? on : off
toggle(cm.display.scroller, "dragstart", funcs.start)
toggle(cm.display.scroller, "dragenter", funcs.enter)
toggle(cm.display.scroller, "dragover", funcs.over)
toggle(cm.display.scroller, "dragleave", funcs.leave)
toggle(cm.display.scroller, "drop", funcs.drop)
}
}
function wrappingChanged(cm) {
if (cm.options.lineWrapping) {
addClass(cm.display.wrapper, "CodeMirror-wrap")
cm.display.sizer.style.minWidth = ""
cm.display.sizerWidth = null
} else {
rmClass(cm.display.wrapper, "CodeMirror-wrap")
findMaxLine(cm)
}
estimateLineHeights(cm)
regChange(cm)
clearCaches(cm)
setTimeout(() => updateScrollbars(cm), 100)
}
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