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Function makeChangeSingleDocInEditor

samples/common/codehighlight/codemirror.js:5428–5484  ·  view source on GitHub ↗
(cm, change, spans)

Source from the content-addressed store, hash-verified

5426 // Handle the interaction of a change to a document with the editor
5427 // that this document is part of.
5428 function makeChangeSingleDocInEditor(cm, change, spans) {
5429 var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
5430
5431 var recomputeMaxLength = false, checkWidthStart = from.line;
5432 if (!cm.options.lineWrapping) {
5433 checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
5434 doc.iter(checkWidthStart, to.line + 1, function (line) {
5435 if (line == display.maxLine) {
5436 recomputeMaxLength = true;
5437 return true
5438 }
5439 });
5440 }
5441
5442 if (doc.sel.contains(change.from, change.to) > -1)
5443 { signalCursorActivity(cm); }
5444
5445 updateDoc(doc, change, spans, estimateHeight(cm));
5446
5447 if (!cm.options.lineWrapping) {
5448 doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
5449 var len = lineLength(line);
5450 if (len > display.maxLineLength) {
5451 display.maxLine = line;
5452 display.maxLineLength = len;
5453 display.maxLineChanged = true;
5454 recomputeMaxLength = false;
5455 }
5456 });
5457 if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
5458 }
5459
5460 retreatFrontier(doc, from.line);
5461 startWorker(cm, 400);
5462
5463 var lendiff = change.text.length - (to.line - from.line) - 1;
5464 // Remember that these lines changed, for updating the display
5465 if (change.full)
5466 { regChange(cm); }
5467 else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
5468 { regLineChange(cm, from.line, "text"); }
5469 else
5470 { regChange(cm, from.line, to.line + 1, lendiff); }
5471
5472 var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
5473 if (changeHandler || changesHandler) {
5474 var obj = {
5475 from: from, to: to,
5476 text: change.text,
5477 removed: change.removed,
5478 origin: change.origin
5479 };
5480 if (changeHandler) { signalLater(cm, "change", cm, obj); }
5481 if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
5482 }
5483 cm.display.selForContextMenu = null;
5484 }
5485

Callers 1

makeChangeSingleDocFunction · 0.85

Calls 14

lineNoFunction · 0.85
visualLineFunction · 0.85
getLineFunction · 0.85
signalCursorActivityFunction · 0.85
updateDocFunction · 0.85
estimateHeightFunction · 0.85
lineLengthFunction · 0.85
retreatFrontierFunction · 0.85
startWorkerFunction · 0.85
regChangeFunction · 0.85
isWholeLineUpdateFunction · 0.85
regLineChangeFunction · 0.85

Tested by

no test coverage detected