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bring back improved fold function

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This commit is contained in:
Fabian Jakobs 2011-05-18 10:47:16 +02:00
commit 3b64acbd17
1 changed files with 44 additions and 14 deletions
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52
demo/demo.js
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@ -477,28 +477,58 @@ exports.launch = function(env) {
mac: "Alt-L", mac: "Alt-L",
sender: "editor" sender: "editor"
}, },
exec: function() { exec: function(env) {
var session = env.editor.session, toggleFold(env, false)
range = env.editor.selection.getRange(),
placeHolder = session.getTextRange(range).substring(0, 3) + "...";
session.addFold(placeHolder, range);
} }
}); });
canon.addCommand({ canon.addCommand({
name: "undfold", name: "unfold",
bindKey: { bindKey: {
win: "Alt-Shift-L", win: "Alt-Shift-L",
mac: "Alt-Shift-L", mac: "Alt-Shift-L",
sender: "editor" sender: "editor"
}, },
exec: function() { exec: function(env) {
var session = env.editor.session, toggleFold(env, true)
range = env.editor.selection.getRange();
session.expandFolds(session.getFoldsInRange(range));
} }
}); });
function toggleFold(env, tryToUnfold) {
var session = env.editor.session,
selection = env.editor.selection,
range = selection.getRange(), addFold;
if(range.isEmpty()) {
var br = session.findMatchingBracket(range.start);
var fold = session.getFoldAt(range.start.row, range.start.column)
if(fold) {
session.expandFold(fold);
selection.setSelectionRange(fold.range)
} else if(br) {
if(range.compare(br.row,br.column) == 1)
range.end = br;
else
range.start = br;
addFold = true;
}
} else {
var folds = session.getFoldsInRange(range);
if(tryToUnfold && folds.length)
session.expandFolds(folds);
else if(folds.length == 1 && folds[0].range.compare(range) == 0)
session.expandFolds(folds);
else
addFold = true;
}
if(addFold) {
var placeHolder = session.getTextRange(range);
if(placeHolder.length < 3)
return;
placeHolder = placeHolder.trim().substring(0, 3).replace(' ','','g') + "...";
session.addFold(placeHolder, range);
}
}
}; };
}); });