433 lines
17 KiB
JavaScript
433 lines
17 KiB
JavaScript
|
import CodeMirror from "../edit/CodeMirror.js"
|
||
|
|
import { docMethodOp } from "../display/operations.js"
|
||
|
|
import { Line } from "../line/line_data.js"
|
||
|
|
import { clipPos, clipPosArray, Pos } from "../line/pos.js"
|
||
|
|
import { visualLine } from "../line/spans.js"
|
||
|
|
import { getBetween, getLine, getLines, isLine, lineNo } from "../line/utils_line.js"
|
||
|
|
import { classTest } from "../util/dom.js"
|
||
|
|
import { splitLinesAuto } from "../util/feature_detection.js"
|
||
|
|
import { createObj, map, isEmpty, sel_dontScroll } from "../util/misc.js"
|
||
|
|
import { ensureCursorVisible, scrollToCoords } from "../display/scrolling.js"
|
||
|
|
|
||
|
|
import { changeLine, makeChange, makeChangeFromHistory, replaceRange } from "./changes.js"
|
||
|
|
import { computeReplacedSel } from "./change_measurement.js"
|
||
|
|
import { BranchChunk, LeafChunk } from "./chunk.js"
|
||
|
|
import { directionChanged, linkedDocs, updateDoc } from "./document_data.js"
|
||
|
|
import { copyHistoryArray, History } from "./history.js"
|
||
|
|
import { addLineWidget } from "./line_widget.js"
|
||
|
|
import { copySharedMarkers, detachSharedMarkers, findSharedMarkers, markText } from "./mark_text.js"
|
||
|
|
import { normalizeSelection, Range, simpleSelection } from "./selection.js"
|
||
|
|
import { extendSelection, extendSelections, setSelection, setSelectionReplaceHistory, setSimpleSelection } from "./selection_updates.js"
|
||
|
|
|
||
|
|
let nextDocId = 0
|
||
|
|
let Doc = function(text, mode, firstLine, lineSep, direction) {
|
||
|
|
if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep, direction)
|
||
|
|
if (firstLine == null) firstLine = 0
|
||
|
|
|
||
|
|
BranchChunk.call(this, [new LeafChunk([new Line("", null)])])
|
||
|
|
this.first = firstLine
|
||
|
|
this.scrollTop = this.scrollLeft = 0
|
||
|
|
this.cantEdit = false
|
||
|
|
this.cleanGeneration = 1
|
||
|
|
this.modeFrontier = this.highlightFrontier = firstLine
|
||
|
|
let start = Pos(firstLine, 0)
|
||
|
|
this.sel = simpleSelection(start)
|
||
|
|
this.history = new History(null)
|
||
|
|
this.id = ++nextDocId
|
||
|
|
this.modeOption = mode
|
||
|
|
this.lineSep = lineSep
|
||
|
|
this.direction = (direction == "rtl") ? "rtl" : "ltr"
|
||
|
|
this.extend = false
|
||
|
|
|
||
|
|
if (typeof text == "string") text = this.splitLines(text)
|
||
|
|
updateDoc(this, {from: start, to: start, text: text})
|
||
|
|
setSelection(this, simpleSelection(start), sel_dontScroll)
|
||
|
|
}
|
||
|
|
|
||
|
|
Doc.prototype = createObj(BranchChunk.prototype, {
|
||
|
|
constructor: Doc,
|
||
|
|
// Iterate over the document. Supports two forms -- with only one
|
||
|
|
// argument, it calls that for each line in the document. With
|
||
|
|
// three, it iterates over the range given by the first two (with
|
||
|
|
// the second being non-inclusive).
|
||
|
|
iter: function(from, to, op) {
|
||
|
|
if (op) this.iterN(from - this.first, to - from, op)
|
||
|
|
else this.iterN(this.first, this.first + this.size, from)
|
||
|
|
},
|
||
|
|
|
||
|
|
// Non-public interface for adding and removing lines.
|
||
|
|
insert: function(at, lines) {
|
||
|
|
let height = 0
|
||
|
|
for (let i = 0; i < lines.length; ++i) height += lines[i].height
|
||
|
|
this.insertInner(at - this.first, lines, height)
|
||
|
|
},
|
||
|
|
remove: function(at, n) { this.removeInner(at - this.first, n) },
|
||
|
|
|
||
|
|
// From here, the methods are part of the public interface. Most
|
||
|
|
// are also available from CodeMirror (editor) instances.
|
||
|
|
|
||
|
|
getValue: function(lineSep) {
|
||
|
|
let lines = getLines(this, this.first, this.first + this.size)
|
||
|
|
if (lineSep === false) return lines
|
||
|
|
return lines.join(lineSep || this.lineSeparator())
|
||
|
|
},
|
||
|
|
setValue: docMethodOp(function(code) {
|
||
|
|
let top = Pos(this.first, 0), last = this.first + this.size - 1
|
||
|
|
makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
|
||
|
|
text: this.splitLines(code), origin: "setValue", full: true}, true)
|
||
|
|
if (this.cm) scrollToCoords(this.cm, 0, 0)
|
||
|
|
setSelection(this, simpleSelection(top), sel_dontScroll)
|
||
|
|
}),
|
||
|
|
replaceRange: function(code, from, to, origin) {
|
||
|
|
from = clipPos(this, from)
|
||
|
|
to = to ? clipPos(this, to) : from
|
||
|
|
replaceRange(this, code, from, to, origin)
|
||
|
|
},
|
||
|
|
getRange: function(from, to, lineSep) {
|
||
|
|
let lines = getBetween(this, clipPos(this, from), clipPos(this, to))
|
||
|
|
if (lineSep === false) return lines
|
||
|
|
return lines.join(lineSep || this.lineSeparator())
|
||
|
|
},
|
||
|
|
|
||
|
|
getLine: function(line) {let l = this.getLineHandle(line); return l && l.text},
|
||
|
|
|
||
|
|
getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line)},
|
||
|
|
getLineNumber: function(line) {return lineNo(line)},
|
||
|
|
|
||
|
|
getLineHandleVisualStart: function(line) {
|
||
|
|
if (typeof line == "number") line = getLine(this, line)
|
||
|
|
return visualLine(line)
|
||
|
|
},
|
||
|
|
|
||
|
|
lineCount: function() {return this.size},
|
||
|
|
firstLine: function() {return this.first},
|
||
|
|
lastLine: function() {return this.first + this.size - 1},
|
||
|
|
|
||
|
|
clipPos: function(pos) {return clipPos(this, pos)},
|
||
|
|
|
||
|
|
getCursor: function(start) {
|
||
|
|
let range = this.sel.primary(), pos
|
||
|
|
if (start == null || start == "head") pos = range.head
|
||
|
|
else if (start == "anchor") pos = range.anchor
|
||
|
|
else if (start == "end" || start == "to" || start === false) pos = range.to()
|
||
|
|
else pos = range.from()
|
||
|
|
return pos
|
||
|
|
},
|
||
|
|
listSelections: function() { return this.sel.ranges },
|
||
|
|
somethingSelected: function() {return this.sel.somethingSelected()},
|
||
|
|
|
||
|
|
setCursor: docMethodOp(function(line, ch, options) {
|
||
|
|
setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options)
|
||
|
|
}),
|
||
|
|
setSelection: docMethodOp(function(anchor, head, options) {
|
||
|
|
setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options)
|
||
|
|
}),
|
||
|
|
extendSelection: docMethodOp(function(head, other, options) {
|
||
|
|
extendSelection(this, clipPos(this, head), other && clipPos(this, other), options)
|
||
|
|
}),
|
||
|
|
extendSelections: docMethodOp(function(heads, options) {
|
||
|
|
extendSelections(this, clipPosArray(this, heads), options)
|
||
|
|
}),
|
||
|
|
extendSelectionsBy: docMethodOp(function(f, options) {
|
||
|
|
let heads = map(this.sel.ranges, f)
|
||
|
|
extendSelections(this, clipPosArray(this, heads), options)
|
||
|
|
}),
|
||
|
|
setSelections: docMethodOp(function(ranges, primary, options) {
|
||
|
|
if (!ranges.length) return
|
||
|
|
let out = []
|
||
|
|
for (let i = 0; i < ranges.length; i++)
|
||
|
|
out[i] = new Range(clipPos(this, ranges[i].anchor),
|
||
|
|
clipPos(this, ranges[i].head))
|
||
|
|
if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex)
|
||
|
|
setSelection(this, normalizeSelection(this.cm, out, primary), options)
|
||
|
|
}),
|
||
|
|
addSelection: docMethodOp(function(anchor, head, options) {
|
||
|
|
let ranges = this.sel.ranges.slice(0)
|
||
|
|
ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)))
|
||
|
|
setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options)
|
||
|
|
}),
|
||
|
|
|
||
|
|
getSelection: function(lineSep) {
|
||
|
|
let ranges = this.sel.ranges, lines
|
||
|
|
for (let i = 0; i < ranges.length; i++) {
|
||
|
|
let sel = getBetween(this, ranges[i].from(), ranges[i].to())
|
||
|
|
lines = lines ? lines.concat(sel) : sel
|
||
|
|
}
|
||
|
|
if (lineSep === false) return lines
|
||
|
|
else return lines.join(lineSep || this.lineSeparator())
|
||
|
|
},
|
||
|
|
getSelections: function(lineSep) {
|
||
|
|
let parts = [], ranges = this.sel.ranges
|
||
|
|
for (let i = 0; i < ranges.length; i++) {
|
||
|
|
let sel = getBetween(this, ranges[i].from(), ranges[i].to())
|
||
|
|
if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator())
|
||
|
|
parts[i] = sel
|
||
|
|
}
|
||
|
|
return parts
|
||
|
|
},
|
||
|
|
replaceSelection: function(code, collapse, origin) {
|
||
|
|
let dup = []
|
||
|
|
for (let i = 0; i < this.sel.ranges.length; i++)
|
||
|
|
dup[i] = code
|
||
|
|
this.replaceSelections(dup, collapse, origin || "+input")
|
||
|
|
},
|
||
|
|
replaceSelections: docMethodOp(function(code, collapse, origin) {
|
||
|
|
let changes = [], sel = this.sel
|
||
|
|
for (let i = 0; i < sel.ranges.length; i++) {
|
||
|
|
let range = sel.ranges[i]
|
||
|
|
changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin}
|
||
|
|
}
|
||
|
|
let newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse)
|
||
|
|
for (let i = changes.length - 1; i >= 0; i--)
|
||
|
|
makeChange(this, changes[i])
|
||
|
|
if (newSel) setSelectionReplaceHistory(this, newSel)
|
||
|
|
else if (this.cm) ensureCursorVisible(this.cm)
|
||
|
|
}),
|
||
|
|
undo: docMethodOp(function() {makeChangeFromHistory(this, "undo")}),
|
||
|
|
redo: docMethodOp(function() {makeChangeFromHistory(this, "redo")}),
|
||
|
|
undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true)}),
|
||
|
|
redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true)}),
|
||
|
|
|
||
|
|
setExtending: function(val) {this.extend = val},
|
||
|
|
getExtending: function() {return this.extend},
|
||
|
|
|
||
|
|
historySize: function() {
|
||
|
|
let hist = this.history, done = 0, undone = 0
|
||
|
|
for (let i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done
|
||
|
|
for (let i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone
|
||
|
|
return {undo: done, redo: undone}
|
||
|
|
},
|
||
|
|
clearHistory: function() {this.history = new History(this.history.maxGeneration)},
|
||
|
|
|
||
|
|
markClean: function() {
|
||
|
|
this.cleanGeneration = this.changeGeneration(true)
|
||
|
|
},
|
||
|
|
changeGeneration: function(forceSplit) {
|
||
|
|
if (forceSplit)
|
||
|
|
this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null
|
||
|
|
return this.history.generation
|
||
|
|
},
|
||
|
|
isClean: function (gen) {
|
||
|
|
return this.history.generation == (gen || this.cleanGeneration)
|
||
|
|
},
|
||
|
|
|
||
|
|
getHistory: function() {
|
||
|
|
return {done: copyHistoryArray(this.history.done),
|
||
|
|
undone: copyHistoryArray(this.history.undone)}
|
||
|
|
},
|
||
|
|
setHistory: function(histData) {
|
||
|
|
let hist = this.history = new History(this.history.maxGeneration)
|
||
|
|
hist.done = copyHistoryArray(histData.done.slice(0), null, true)
|
||
|
|
hist.undone = copyHistoryArray(histData.undone.slice(0), null, true)
|
||
|
|
},
|
||
|
|
|
||
|
|
setGutterMarker: docMethodOp(function(line, gutterID, value) {
|
||
|
|
return changeLine(this, line, "gutter", line => {
|
||
|
|
let markers = line.gutterMarkers || (line.gutterMarkers = {})
|
||
|
|
markers[gutterID] = value
|
||
|
|
if (!value && isEmpty(markers)) line.gutterMarkers = null
|
||
|
|
return true
|
||
|
|
})
|
||
|
|
}),
|
||
|
|
|
||
|
|
clearGutter: docMethodOp(function(gutterID) {
|
||
|
|
this.iter(line => {
|
||
|
|
if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
|
||
|
|
changeLine(this, line, "gutter", () => {
|
||
|
|
line.gutterMarkers[gutterID] = null
|
||
|
|
if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null
|
||
|
|
return true
|
||
|
|
})
|
||
|
|
}
|
||
|
|
})
|
||
|
|
}),
|
||
|
|
|
||
|
|
lineInfo: function(line) {
|
||
|
|
let n
|
||
|
|
if (typeof line == "number") {
|
||
|
|
if (!isLine(this, line)) return null
|
||
|
|
n = line
|
||
|
|
line = getLine(this, line)
|
||
|
|
if (!line) return null
|
||
|
|
} else {
|
||
|
|
n = lineNo(line)
|
||
|
|
if (n == null) return null
|
||
|
|
}
|
||
|
|
return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
|
||
|
|
textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
|
||
|
|
widgets: line.widgets}
|
||
|
|
},
|
||
|
|
|
||
|
|
addLineClass: docMethodOp(function(handle, where, cls) {
|
||
|
|
return changeLine(this, handle, where == "gutter" ? "gutter" : "class", line => {
|
||
|
|
let prop = where == "text" ? "textClass"
|
||
|
|
: where == "background" ? "bgClass"
|
||
|
|
: where == "gutter" ? "gutterClass" : "wrapClass"
|
||
|
|
if (!line[prop]) line[prop] = cls
|
||
|
|
else if (classTest(cls).test(line[prop])) return false
|
||
|
|
else line[prop] += " " + cls
|
||
|
|
return true
|
||
|
|
})
|
||
|
|
}),
|
||
|
|
removeLineClass: docMethodOp(function(handle, where, cls) {
|
||
|
|
return changeLine(this, handle, where == "gutter" ? "gutter" : "class", line => {
|
||
|
|
let prop = where == "text" ? "textClass"
|
||
|
|
: where == "background" ? "bgClass"
|
||
|
|
: where == "gutter" ? "gutterClass" : "wrapClass"
|
||
|
|
let cur = line[prop]
|
||
|
|
if (!cur) return false
|
||
|
|
else if (cls == null) line[prop] = null
|
||
|
|
else {
|
||
|
|
let found = cur.match(classTest(cls))
|
||
|
|
if (!found) return false
|
||
|
|
let end = found.index + found[0].length
|
||
|
|
line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null
|
||
|
|
}
|
||
|
|
return true
|
||
|
|
})
|
||
|
|
}),
|
||
|
|
|
||
|
|
addLineWidget: docMethodOp(function(handle, node, options) {
|
||
|
|
return addLineWidget(this, handle, node, options)
|
||
|
|
}),
|
||
|
|
removeLineWidget: function(widget) { widget.clear() },
|
||
|
|
|
||
|
|
markText: function(from, to, options) {
|
||
|
|
return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
|
||
|
|
},
|
||
|
|
setBookmark: function(pos, options) {
|
||
|
|
let realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
|
||
|
|
insertLeft: options && options.insertLeft,
|
||
|
|
clearWhenEmpty: false, shared: options && options.shared,
|
||
|
|
handleMouseEvents: options && options.handleMouseEvents}
|
||
|
|
pos = clipPos(this, pos)
|
||
|
|
return markText(this, pos, pos, realOpts, "bookmark")
|
||
|
|
},
|
||
|
|
findMarksAt: function(pos) {
|
||
|
|
pos = clipPos(this, pos)
|
||
|
|
let markers = [], spans = getLine(this, pos.line).markedSpans
|
||
|
|
if (spans) for (let i = 0; i < spans.length; ++i) {
|
||
|
|
let span = spans[i]
|
||
|
|
if ((span.from == null || span.from <= pos.ch) &&
|
||
|
|
(span.to == null || span.to >= pos.ch))
|
||
|
|
markers.push(span.marker.parent || span.marker)
|
||
|
|
}
|
||
|
|
return markers
|
||
|
|
},
|
||
|
|
findMarks: function(from, to, filter) {
|
||
|
|
from = clipPos(this, from); to = clipPos(this, to)
|
||
|
|
let found = [], lineNo = from.line
|
||
|
|
this.iter(from.line, to.line + 1, line => {
|
||
|
|
let spans = line.markedSpans
|
||
|
|
if (spans) for (let i = 0; i < spans.length; i++) {
|
||
|
|
let span = spans[i]
|
||
|
|
if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
|
||
|
|
span.from == null && lineNo != from.line ||
|
||
|
|
span.from != null && lineNo == to.line && span.from >= to.ch) &&
|
||
|
|
(!filter || filter(span.marker)))
|
||
|
|
found.push(span.marker.parent || span.marker)
|
||
|
|
}
|
||
|
|
++lineNo
|
||
|
|
})
|
||
|
|
return found
|
||
|
|
},
|
||
|
|
getAllMarks: function() {
|
||
|
|
let markers = []
|
||
|
|
this.iter(line => {
|
||
|
|
let sps = line.markedSpans
|
||
|
|
if (sps) for (let i = 0; i < sps.length; ++i)
|
||
|
|
if (sps[i].from != null) markers.push(sps[i].marker)
|
||
|
|
})
|
||
|
|
return markers
|
||
|
|
},
|
||
|
|
|
||
|
|
posFromIndex: function(off) {
|
||
|
|
let ch, lineNo = this.first, sepSize = this.lineSeparator().length
|
||
|
|
this.iter(line => {
|
||
|
|
let sz = line.text.length + sepSize
|
||
|
|
if (sz > off) { ch = off; return true }
|
||
|
|
off -= sz
|
||
|
|
++lineNo
|
||
|
|
})
|
||
|
|
return clipPos(this, Pos(lineNo, ch))
|
||
|
|
},
|
||
|
|
indexFromPos: function (coords) {
|
||
|
|
coords = clipPos(this, coords)
|
||
|
|
let index = coords.ch
|
||
|
|
if (coords.line < this.first || coords.ch < 0) return 0
|
||
|
|
let sepSize = this.lineSeparator().length
|
||
|
|
this.iter(this.first, coords.line, line => { // iter aborts when callback returns a truthy value
|
||
|
|
index += line.text.length + sepSize
|
||
|
|
})
|
||
|
|
return index
|
||
|
|
},
|
||
|
|
|
||
|
|
copy: function(copyHistory) {
|
||
|
|
let doc = new Doc(getLines(this, this.first, this.first + this.size),
|
||
|
|
this.modeOption, this.first, this.lineSep, this.direction)
|
||
|
|
doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft
|
||
|
|
doc.sel = this.sel
|
||
|
|
doc.extend = false
|
||
|
|
if (copyHistory) {
|
||
|
|
doc.history.undoDepth = this.history.undoDepth
|
||
|
|
doc.setHistory(this.getHistory())
|
||
|
|
}
|
||
|
|
return doc
|
||
|
|
},
|
||
|
|
|
||
|
|
linkedDoc: function(options) {
|
||
|
|
if (!options) options = {}
|
||
|
|
let from = this.first, to = this.first + this.size
|
||
|
|
if (options.from != null && options.from > from) from = options.from
|
||
|
|
if (options.to != null && options.to < to) to = options.to
|
||
|
|
let copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction)
|
||
|
|
if (options.sharedHist) copy.history = this.history
|
||
|
|
;(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist})
|
||
|
|
copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}]
|
||
|
|
copySharedMarkers(copy, findSharedMarkers(this))
|
||
|
|
return copy
|
||
|
|
},
|
||
|
|
unlinkDoc: function(other) {
|
||
|
|
if (other instanceof CodeMirror) other = other.doc
|
||
|
|
if (this.linked) for (let i = 0; i < this.linked.length; ++i) {
|
||
|
|
let link = this.linked[i]
|
||
|
|
if (link.doc != other) continue
|
||
|
|
this.linked.splice(i, 1)
|
||
|
|
other.unlinkDoc(this)
|
||
|
|
detachSharedMarkers(findSharedMarkers(this))
|
||
|
|
break
|
||
|
|
}
|
||
|
|
// If the histories were shared, split them again
|
||
|
|
if (other.history == this.history) {
|
||
|
|
let splitIds = [other.id]
|
||
|
|
linkedDocs(other, doc => splitIds.push(doc.id), true)
|
||
|
|
other.history = new History(null)
|
||
|
|
other.history.done = copyHistoryArray(this.history.done, splitIds)
|
||
|
|
other.history.undone = copyHistoryArray(this.history.undone, splitIds)
|
||
|
|
}
|
||
|
|
},
|
||
|
|
iterLinkedDocs: function(f) {linkedDocs(this, f)},
|
||
|
|
|
||
|
|
getMode: function() {return this.mode},
|
||
|
|
getEditor: function() {return this.cm},
|
||
|
|
|
||
|
|
splitLines: function(str) {
|
||
|
|
if (this.lineSep) return str.split(this.lineSep)
|
||
|
|
return splitLinesAuto(str)
|
||
|
|
},
|
||
|
|
lineSeparator: function() { return this.lineSep || "\n" },
|
||
|
|
|
||
|
|
setDirection: docMethodOp(function (dir) {
|
||
|
|
if (dir != "rtl") dir = "ltr"
|
||
|
|
if (dir == this.direction) return
|
||
|
|
this.direction = dir
|
||
|
|
this.iter(line => line.order = null)
|
||
|
|
if (this.cm) directionChanged(this.cm)
|
||
|
|
})
|
||
|
|
})
|
||
|
|
|
||
|
|
// Public alias.
|
||
|
|
Doc.prototype.eachLine = Doc.prototype.iter
|
||
|
|
|
||
|
|
export default Doc
|