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Demo: Fold comments if the cursor is inside of a comment block

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Julian Viereck 2011-05-20 19:53:34 +02:00
commit 6cc2453f8b
1 changed files with 40 additions and 4 deletions
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44
demo/demo.js
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@ -496,14 +496,34 @@ exports.launch = function(env) {
} }
}); });
function isCommentRow(row) {
var session = env.editor.session;
var token;
var tokens = session.getTokens(row, row)[0].tokens;
var c = 0;
for (var i = 0; i < tokens.length; i++) {
token = tokens[i];
if (/^comment/.test(token.type)) {
return c;
} else if (!/^text/.test(token.type)) {
return false;
}
c += token.value.length;
}
return false;
};
function toggleFold(env, tryToUnfold) { function toggleFold(env, tryToUnfold) {
var session = env.editor.session, var session = env.editor.session;
selection = env.editor.selection, var selection = env.editor.selection;
range = selection.getRange(), addFold; var range = selection.getRange();
var addFold;
if(range.isEmpty()) { if(range.isEmpty()) {
var br = session.findMatchingBracket(range.start); var br = session.findMatchingBracket(range.start);
var fold = session.getFoldAt(range.start.row, range.start.column) var fold = session.getFoldAt(range.start.row, range.start.column);
var column;
if(fold) { if(fold) {
session.expandFold(fold); session.expandFold(fold);
selection.setSelectionRange(fold.range) selection.setSelectionRange(fold.range)
@ -513,6 +533,22 @@ exports.launch = function(env) {
else else
range.start = br; range.start = br;
addFold = true; addFold = true;
} else if ((column = isCommentRow(range.start.row)) !== false) {
var firstCommentRow = range.start.row;
var lastCommentRow = range.start.row;
var t;
while ((t = isCommentRow(firstCommentRow - 1)) !== false) {
firstCommentRow --;
column = t;
}
while (isCommentRow(lastCommentRow + 1) !== false) {
lastCommentRow ++;
}
range.start.row = firstCommentRow;
range.start.column = column + 2;
range.end.row = lastCommentRow;
range.end.column = session.getLine(lastCommentRow).length - 1;
addFold = true;
} }
} else { } else {
var folds = session.getFoldsInRange(range); var folds = session.getFoldsInRange(range);