imterah/element-portable
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Improve formatting features in the editor (#7104)

Browse source 
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Alexander Stephan 2022-03-16 10:46:07 +01:00 • committed by GitHub
parent cbf5fbf870
commit 26e6f8deca
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 427 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

28
src/editor/range.ts
View file

@ -25,11 +25,15 @@ const whitespacePredicate: Predicate = (index, offset, part) => {
export default class Range {
private _start: DocumentPosition;
private _end: DocumentPosition;
private _lastStart: DocumentPosition;
private _initializedEmpty: boolean;
constructor(public readonly model: EditorModel, positionA: DocumentPosition, positionB = positionA) {
const bIsLarger = positionA.compare(positionB) < 0;
this._start = bIsLarger ? positionA : positionB;
this._end = bIsLarger ? positionB : positionA;
this._lastStart = this._start;
this._initializedEmpty = this._start.index === this._end.index && this._start.offset == this._end.offset;
}
public moveStartForwards(delta: number): void {
@ -39,6 +43,22 @@ export default class Range {
});
}
public wasInitializedEmpty(): boolean {
return this._initializedEmpty;
}
public setWasEmpty(value: boolean) {
this._initializedEmpty = value;
}
public getLastStartingPosition(): DocumentPosition {
return this._lastStart;
}
public setLastStartingPosition(position: DocumentPosition): void {
this._lastStart = position;
}
public moveEndBackwards(delta: number): void {
this._end = this._end.backwardsWhile(this.model, () => {
delta -= 1;
@ -47,6 +67,10 @@ export default class Range {
}
public trim(): void {
if (this.text.trim() === "") {
this._start = this._end;
return;
}
this._start = this._start.forwardsWhile(this.model, whitespacePredicate);
this._end = this._end.backwardsWhile(this.model, whitespacePredicate);
}
@ -55,6 +79,10 @@ export default class Range {
this._start = this._start.backwardsWhile(this.model, predicate);
}
public expandForwardsWhile(predicate: Predicate): void {
this._end = this._end.forwardsWhile(this.model, predicate);
}
public get text(): string {
let text = "";
this._start.iteratePartsBetween(this._end, this.model, (part, startIdx, endIdx) => {