add (alt-)k/K keyboard commands to add/remove next/previous system br…

…eak.

_includes/vhv-scripts/editor/addSystemBreakToNextBarline.js

@@ -0,0 +1,57 @@
+{% comment %}
+//
+// Programmer:     Craig Stuart Sapp <[email protected]>
+// Creation Date:  Wed Jun  5 02:08:33 PDT 2024
+// Last Modified:  Wed Jun  5 02:08:40 PDT 2024
+// Filename:       addSystemBreakToNextBarline.js
+// Web Address:    https://verovio.humdrum.org/scripts/addSystemBreakToNextBarline.js
+// Syntax:         JavaScript 1.8/ECMAScript 5
+// vim:            ts=3: ft=javascript
+//
+// Description:    Add a system break to the next barline (or remove break if
+//                 there is already one).
+//
+{% endcomment %}
+
+
+function addSystemBreakToNextBarline() {
+	let location = EDITOR.getCursorPosition();
+	let index = location.row;
+
+	var contents = getTextFromEditor().split(/\r?\n/);
+
+	let barIndex = -1;
+	for (let i=index; i<contents.length; i++) {
+		if (contents[i].match(/^=/)) {
+			barIndex = i;
+			break;
+		}
+	}
+	if (barIndex < 1) {
+		return;
+	}
+
+	console.warn("LO", contents[barIndex - 1]);	
+
+	if (contents[barIndex-1].match(/^!!LO:[LP]B:/)) {
+		// Remove system break line
+		var Range = ace.require("ace/range").Range;
+		var range = new Range(barIndex-1, 0, barIndex, 0);
+		EDITOR.session.remove(range);
+		return;
+	}
+
+	let text = "!!LO:LB:g=original";
+	let textIndex = barIndex - 1;
+	EDITOR.session.insert({ row: textIndex + 1, column: 0 }, text + '\n');
+
+	// Adjust the cursor position if it is below the inserted line
+	// if (cursorPosition.row >= lineNumber) {
+	// 	cursorPosition.row += 1;
+	// }
+
+	EDITOR.moveCursorToPosition(location);
+}
+
+
+

_includes/vhv-scripts/editor/addSystemBreakToPreviousBarline.js

@@ -0,0 +1,56 @@
+{% comment %}
+//
+// Programmer:     Craig Stuart Sapp <[email protected]>
+// Creation Date:  Wed Jun  5 02:08:33 PDT 2024
+// Last Modified:  Wed Jun  5 02:08:40 PDT 2024
+// Filename:       addSystemBreakToPreviousBarline.js
+// Web Address:    https://verovio.humdrum.org/scripts/addSystemBreakToPreviousBarline.js
+// Syntax:         JavaScript 1.8/ECMAScript 5
+// vim:            ts=3: ft=javascript
+//
+// Description:    Add a system break to the next barline (or remove break if
+//                 there is already one).
+//
+{% endcomment %}
+
+
+function addSystemBreakToPreviousBarline() {
+	let location = EDITOR.getCursorPosition();
+	let index = location.row;
+
+	var contents = getTextFromEditor().split(/\r?\n/);
+
+	let barIndex = -1;
+	for (let i=index; i>=1; i--) {
+		if (contents[i].match(/^=/)) {
+			barIndex = i;
+			break;
+		}
+	}
+	if (barIndex < 1) {
+		return;
+	}
+
+	console.warn("LO", contents[barIndex - 1]);	
+
+	if (contents[barIndex-1].match(/^!!LO:[LP]B:/)) {
+		// Remove system break line
+		var Range = ace.require("ace/range").Range;
+		var range = new Range(barIndex-1, 0, barIndex, 0);
+		EDITOR.session.remove(range);
+		location.row--;
+		EDITOR.moveCursorToPosition(location);
+		return;
+	}
+
+	let text = "!!LO:LB:g=original";
+	let textIndex = barIndex - 1;
+	EDITOR.session.insert({ row: textIndex + 1, column: 0 }, text + '\n');
+	location.row++;
+	EDITOR.moveCursorToPosition(location);
+}
+
+
+
+
+

_includes/vhv-scripts/editor/main.js

@@ -86,6 +86,8 @@ var InterfaceSingleNumber = 0;
 {% include vhv-scripts/editor/addDataLineAboveCurrentPosition.js           %}
 {% include vhv-scripts/editor/addBarlineAboveCurrentPosition.js            %}
 {% include vhv-scripts/editor/addInvisibleBarlineAboveCurrentPosition.js   %}
+{% include vhv-scripts/editor/addSystemBreakToNextBarline.js               %}
+{% include vhv-scripts/editor/addSystemBreakToPreviousBarline.js           %}
 {% include vhv-scripts/editor/createNullLine.js                            %}
 {% include vhv-scripts/editor/addNullLine.js                               %}
 {% include vhv-scripts/editor/addSpineToRight.js                           %}

_includes/vhv-scripts/listeners.js

@@ -365,7 +365,15 @@ function processNotationKeyCommand(event) {
 			}
 			break;
 
-		// case KEYS.KKey:
+		case KEYS.KKey:
+			if (event.shiftKey) {
+				addSystemBreakToPreviousBarline();
+				event.preventDefault();
+			} else {
+				addSystemBreakToNextBarline();
+				event.preventDefault();
+			}
+			break;
 
 		case KEYS.LKey:
 			if (event.shiftKey) {
@@ -743,7 +751,16 @@ function processInterfaceKeyCommand(event) {
 		case KEYS.JKey:          // UNUSED
 			break;
 
-		case KEYS.KKey:          // UNUSED
+		case KEYS.KKey:
+			if (event.altKey) {
+				if (event.shiftKey) {
+					addSystemBreakToPreviousBarline();
+					event.preventDefault();
+				} else {
+					addSystemBreakToNextBarline();
+					event.preventDefault();
+				}
+			}
 			break;
 
 		case KEYS.LKey:          // toggle color of staff layers