editor: add method to get file and selection range

The GetFile method return the current file as IVfsNode, including its
content (concatenated).

The GetSelectionRange return the current selection on the editor.

1 files changed, 45 insertions, 23 deletions

diff --git a/editor/editor.ts b/editor/editor.ts
index ca7c9ac..9e1e301 100644
--- a/editor/editor.ts
+++ b/editor/editor.ts
@@ -48,6 +48,34 @@ export class Editor {
 		this.range = document.createRange()
 	}
 
+	GetFile(): IVfsNode {
+		let node: IVfsNode = {
+			name: "",
+			path: "",
+		}
+		if (!this.activeFile) {
+			return node
+		}
+		let content = ""
+		for (let x = 0; x < this.lines.length; x++) {
+			if (x > 0) {
+				content += "\n"
+			}
+			content += this.lines[x].elText.innerText
+		}
+		node.name = this.activeFile.name
+		node.path = this.activeFile.path
+		node.content = content
+		return node
+	}
+
+	GetSelectionRange(): SelectionRange {
+		return {
+			BeginAt: this.rangeBegin,
+			EndAt: this.rangeEnd,
+		} as SelectionRange
+	}
+
 	async OpenFile(path: string): Promise<Response> {
 		if (!this.el) {
 			return { code: 500 } as Response
@@ -90,9 +118,14 @@ export class Editor {
 		if (!this.el) {
 			return
 		}
-		for (let x = 0; x < this.el.children.length; x++) {
+		if (this.rangeEnd == 0) {
+			return
+		}
+		for (let x = this.rangeBegin; x <= this.rangeEnd; x++) {
 			this.el.children[x].setAttribute("style", "")
 		}
+		this.rangeBegin = 0
+		this.rangeEnd = 0
 	}
 
 	initStyle() {
@@ -283,8 +316,7 @@ export class Editor {
 				off = this.sel.focusOffset
 				if (off > 0) {
 					textAfter =
-						textBefore.slice(0, off - 1) +
-						textBefore.slice(off, textBefore.length)
+						textBefore.slice(0, off - 1) + textBefore.slice(off, textBefore.length)
 
 					this.unre.DoUpdate(x, textBefore, textAfter)
 
@@ -297,15 +329,10 @@ export class Editor {
 				// Join current line with previous.
 				let elTextPrev = this.lines[x - 1].elText
 
-				this.unre.DoJoin(
-					x - 1,
-					elTextPrev.innerText,
-					elTextCurr.innerText
-				)
+				this.unre.DoJoin(x - 1, elTextPrev.innerText, elTextCurr.innerText)
 
 				off = elTextPrev.innerText.length
-				elTextPrev.innerText =
-					elTextPrev.innerText + elTextCurr.innerText
+				elTextPrev.innerText = elTextPrev.innerText + elTextCurr.innerText
 				this.rawLines[x - 1] = elTextPrev.innerText
 
 				// Remove the current line
@@ -325,10 +352,7 @@ export class Editor {
 				elText = this.lines[x].elText
 				off = this.sel.focusOffset
 				textBefore = elText.innerText
-				textAfter =
-					textBefore.slice(0, off) +
-					"\t" +
-					textBefore.slice(off, textBefore.length)
+				textAfter = textBefore.slice(0, off) + "\t" + textBefore.slice(off, textBefore.length)
 
 				this.unre.DoUpdate(x, textBefore, textAfter)
 				elText.innerText = textAfter
@@ -360,11 +384,7 @@ export class Editor {
 				if (this.isKeyControl) {
 					break
 				}
-				this.unre.DoUpdate(
-					x,
-					this.rawLines[x],
-					this.lines[x].elText.innerText
-				)
+				this.unre.DoUpdate(x, this.rawLines[x], this.lines[x].elText.innerText)
 				this.rawLines[x] = this.lines[x].elText.innerText
 		}
 		return true
@@ -439,10 +459,7 @@ export class Editor {
 			this.el.children[y].setAttribute("style", "")
 		}
 		for (; y <= this.rangeEnd; y++) {
-			this.el.children[y].setAttribute(
-				"style",
-				"background-color:lightsalmon"
-			)
+			this.el.children[y].setAttribute("style", "background-color:lightsalmon")
 		}
 		for (; y < this.el.children.length; y++) {
 			this.el.children[y].setAttribute("style", "")
@@ -650,3 +667,8 @@ interface ActionChanges {
 	nextLine: number
 	nextText: string
 }
+
+interface SelectionRange {
+	BeginAt: number
+	EndAt: number
+}