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(function() {
// A minilanguage for instantiating linked CodeMirror instances and Docs
function instantiateSpec(spec, place, opts) {
var names = {}, pos = 0, l = spec.length, editors = [];
while (spec) {
var m = spec.match(/^(\w+)(\*?)(?:='([^\']*)'|<(~?)(\w+)(?:\/(\d+)-(\d+))?)\s*/);
var name = m[1], isDoc = m[2], cur;
if (m[3]) {
cur = isDoc ? CodeMirror.Doc(m[3]) : CodeMirror(place, clone(opts, {value: m[3]}));
} else {
var other = m[5];
if (!names.hasOwnProperty(other)) {
names[other] = editors.length;
editors.push(CodeMirror(place, opts));
}
var doc = editors[names[other]].linkedDoc({
sharedHist: !m[4],
from: m[6] ? Number(m[6]) : null,
to: m[7] ? Number(m[7]) : null
});
cur = isDoc ? doc : CodeMirror(place, clone(opts, {value: doc}));
}
names[name] = editors.length;
editors.push(cur);
spec = spec.slice(m[0].length);
}
return editors;
}
function clone(obj, props) {
if (!obj) return;
clone.prototype = obj;
var inst = new clone();
if (props) for (var n in props) if (props.hasOwnProperty(n))
inst[n] = props[n];
return inst;
}
function eqAll(val) {
var end = arguments.length, msg = null;
if (typeof arguments[end-1] == "string")
msg = arguments[--end];
if (i == end) throw new Error("No editors provided to eqAll");
for (var i = 1; i < end; ++i)
eq(arguments[i].getValue(), val, msg)
}
function testDoc(name, spec, run, opts, expectFail) {
if (!opts) opts = {};
return test("doc_" + name, function() {
var place = document.getElementById("testground");
var editors = instantiateSpec(spec, place, opts);
var successful = false;
try {
run.apply(null, editors);
successful = true;
} finally {
if (!successful || verbose) {
place.style.visibility = "visible";
} else {
for (var i = 0; i < editors.length; ++i)
if (editors[i] instanceof CodeMirror)
place.removeChild(editors[i].getWrapperElement());
}
}
}, expectFail);
}
var ie_lt8 = /MSIE [1-7]\b/.test(navigator.userAgent);
function testBasic(a, b) {
eqAll("x", a, b);
a.setValue("hey");
eqAll("hey", a, b);
b.setValue("wow");
eqAll("wow", a, b);
a.replaceRange("u\nv\nw", Pos(0, 3));
b.replaceRange("i", Pos(0, 4));
b.replaceRange("j", Pos(2, 1));
eqAll("wowui\nv\nwj", a, b);
}
testDoc("basic", "A='x' B<A", testBasic);
testDoc("basicSeparate", "A='x' B<~A", testBasic);
testDoc("sharedHist", "A='ab\ncd\nef' B<A", function(a, b) {
a.replaceRange("x", Pos(0));
b.replaceRange("y", Pos(1));
a.replaceRange("z", Pos(2));
eqAll("abx\ncdy\nefz", a, b);
a.undo();
a.undo();
eqAll("abx\ncd\nef", a, b);
a.redo();
eqAll("abx\ncdy\nef", a, b);
b.redo();
eqAll("abx\ncdy\nefz", a, b);
a.undo(); b.undo(); a.undo(); a.undo();
eqAll("ab\ncd\nef", a, b);
}, null, ie_lt8);
testDoc("undoIntact", "A='ab\ncd\nef' B<~A", function(a, b) {
a.replaceRange("x", Pos(0));
b.replaceRange("y", Pos(1));
a.replaceRange("z", Pos(2));
a.replaceRange("q", Pos(0));
eqAll("abxq\ncdy\nefz", a, b);
a.undo();
a.undo();
eqAll("abx\ncdy\nef", a, b);
b.undo();
eqAll("abx\ncd\nef", a, b);
a.redo();
eqAll("abx\ncd\nefz", a, b);
a.redo();
eqAll("abxq\ncd\nefz", a, b);
a.undo(); a.undo(); a.undo(); a.undo();
eqAll("ab\ncd\nef", a, b);
b.redo();
eqAll("ab\ncdy\nef", a, b);
});
testDoc("undoConflict", "A='ab\ncd\nef' B<~A", function(a, b) {
a.replaceRange("x", Pos(0));
a.replaceRange("z", Pos(2));
// This should clear the first undo event in a, but not the second
b.replaceRange("y", Pos(0));
a.undo(); a.undo();
eqAll("abxy\ncd\nef", a, b);
a.replaceRange("u", Pos(2));
a.replaceRange("v", Pos(0));
// This should clear both events in a
b.replaceRange("w", Pos(0));
a.undo(); a.undo();
eqAll("abxyvw\ncd\nefu", a, b);
});
testDoc("doubleRebase", "A='ab\ncd\nef\ng' B<~A C<B", function(a, b, c) {
c.replaceRange("u", Pos(3));
a.replaceRange("", Pos(0, 0), Pos(1, 0));
c.undo();
eqAll("cd\nef\ng", a, b, c);
});
testDoc("undoUpdate", "A='ab\ncd\nef' B<~A", function(a, b) {
a.replaceRange("x", Pos(2));
b.replaceRange("u\nv\nw\n", Pos(0, 0));
a.undo();
eqAll("u\nv\nw\nab\ncd\nef", a, b);
a.redo();
eqAll("u\nv\nw\nab\ncd\nefx", a, b);
a.undo();
eqAll("u\nv\nw\nab\ncd\nef", a, b);
b.undo();
a.redo();
eqAll("ab\ncd\nefx", a, b);
a.undo();
eqAll("ab\ncd\nef", a, b);
});
testDoc("undoKeepRanges", "A='abcdefg' B<A", function(a, b) {
var m = a.markText(Pos(0, 1), Pos(0, 3), {className: "foo"});
b.replaceRange("x", Pos(0, 0));
eqCharPos(m.find().from, Pos(0, 2));
b.replaceRange("yzzy", Pos(0, 1), Pos(0));
eq(m.find(), null);
b.undo();
eqCharPos(m.find().from, Pos(0, 2));
b.undo();
eqCharPos(m.find().from, Pos(0, 1));
});
testDoc("longChain", "A='uv' B<A C<B D<C", function(a, b, c, d) {
a.replaceSelection("X");
eqAll("Xuv", a, b, c, d);
d.replaceRange("Y", Pos(0));
eqAll("XuvY", a, b, c, d);
});
testDoc("broadCast", "B<A C<A D<A E<A", function(a, b, c, d, e) {
b.setValue("uu");
eqAll("uu", a, b, c, d, e);
a.replaceRange("v", Pos(0, 1));
eqAll("uvu", a, b, c, d, e);
});
// A and B share a history, C and D share a separate one
testDoc("islands", "A='x\ny\nz' B<A C<~A D<C", function(a, b, c, d) {
a.replaceRange("u", Pos(0));
d.replaceRange("v", Pos(2));
b.undo();
eqAll("x\ny\nzv", a, b, c, d);
c.undo();
eqAll("x\ny\nz", a, b, c, d);
a.redo();
eqAll("xu\ny\nz", a, b, c, d);
d.redo();
eqAll("xu\ny\nzv", a, b, c, d);
});
testDoc("unlink", "B<A C<A D<B", function(a, b, c, d) {
a.setValue("hi");
b.unlinkDoc(a);
d.setValue("aye");
eqAll("hi", a, c);
eqAll("aye", b, d);
a.setValue("oo");
eqAll("oo", a, c);
eqAll("aye", b, d);
});
testDoc("bareDoc", "A*='foo' B*<A C<B", function(a, b, c) {
is(a instanceof CodeMirror.Doc);
is(b instanceof CodeMirror.Doc);
is(c instanceof CodeMirror);
eqAll("foo", a, b, c);
a.replaceRange("hey", Pos(0, 0), Pos(0));
c.replaceRange("!", Pos(0));
eqAll("hey!", a, b, c);
b.unlinkDoc(a);
b.setValue("x");
eqAll("x", b, c);
eqAll("hey!", a);
});
testDoc("swapDoc", "A='a' B*='b' C<A", function(a, b, c) {
var d = a.swapDoc(b);
d.setValue("x");
eqAll("x", c, d);
eqAll("b", a, b);
});
testDoc("docKeepsScroll", "A='x' B*='y'", function(a, b) {
addDoc(a, 200, 200);
a.scrollIntoView(Pos(199, 200));
var c = a.swapDoc(b);
a.swapDoc(c);
var pos = a.getScrollInfo();
is(pos.left > 0, "not at left");
is(pos.top > 0, "not at top");
});
testDoc("copyDoc", "A='u'", function(a) {
var copy = a.getDoc().copy(true);
a.setValue("foo");
copy.setValue("bar");
var old = a.swapDoc(copy);
eq(a.getValue(), "bar");
a.undo();
eq(a.getValue(), "u");
a.swapDoc(old);
eq(a.getValue(), "foo");
eq(old.historySize().undo, 1);
eq(old.copy(false).historySize().undo, 0);
});
testDoc("docKeepsMode", "A='1+1'", function(a) {
var other = CodeMirror.Doc("hi", "text/x-markdown");
a.setOption("mode", "text/javascript");
var old = a.swapDoc(other);
eq(a.getOption("mode"), "text/x-markdown");
eq(a.getMode().name, "markdown");
a.swapDoc(old);
eq(a.getOption("mode"), "text/javascript");
eq(a.getMode().name, "javascript");
});
testDoc("subview", "A='1\n2\n3\n4\n5' B<~A/1-3", function(a, b) {
eq(b.getValue(), "2\n3");
eq(b.firstLine(), 1);
b.setCursor(Pos(4));
eqCharPos(b.getCursor(), Pos(2, 1));
a.replaceRange("-1\n0\n", Pos(0, 0));
eq(b.firstLine(), 3);
eqCharPos(b.getCursor(), Pos(4, 1));
a.undo();
eqCharPos(b.getCursor(), Pos(2, 1));
b.replaceRange("oyoy\n", Pos(2, 0));
eq(a.getValue(), "1\n2\noyoy\n3\n4\n5");
b.undo();
eq(a.getValue(), "1\n2\n3\n4\n5");
});
testDoc("subviewEditOnBoundary", "A='11\n22\n33\n44\n55' B<~A/1-4", function(a, b) {
a.replaceRange("x\nyy\nz", Pos(0, 1), Pos(2, 1));
eq(b.firstLine(), 2);
eq(b.lineCount(), 2);
eq(b.getValue(), "z3\n44");
a.replaceRange("q\nrr\ns", Pos(3, 1), Pos(4, 1));
eq(b.firstLine(), 2);
eq(b.getValue(), "z3\n4q");
eq(a.getValue(), "1x\nyy\nz3\n4q\nrr\ns5");
a.execCommand("selectAll");
a.replaceSelection("!");
eqAll("!", a, b);
});
testDoc("sharedMarker", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {
var mark = b.markText(Pos(0, 1), Pos(3, 1),
{className: "cm-searching", shared: true});
var found = a.findMarksAt(Pos(0, 2));
eq(found.length, 1);
eq(found[0], mark);
eq(c.findMarksAt(Pos(1, 1)).length, 1);
eqCharPos(mark.find().from, Pos(0, 1));
eqCharPos(mark.find().to, Pos(3, 1));
b.replaceRange("x\ny\n", Pos(0, 0));
eqCharPos(mark.find().from, Pos(2, 1));
eqCharPos(mark.find().to, Pos(5, 1));
var cleared = 0;
CodeMirror.on(mark, "clear", function() {++cleared;});
b.operation(function(){mark.clear();});
eq(a.findMarksAt(Pos(3, 1)).length, 0);
eq(b.findMarksAt(Pos(3, 1)).length, 0);
eq(c.findMarksAt(Pos(3, 1)).length, 0);
eq(mark.find(), null);
eq(cleared, 1);
});
testDoc("sharedMarkerCopy", "A='abcde'", function(a) {
var shared = a.markText(Pos(0, 1), Pos(0, 3), {shared: true});
var b = a.linkedDoc();
var found = b.findMarksAt(Pos(0, 2));
eq(found.length, 1);
eq(found[0], shared);
shared.clear();
eq(b.findMarksAt(Pos(0, 2)), 0);
});
testDoc("sharedMarkerDetach", "A='abcde' B<A C<B", function(a, b, c) {
var shared = a.markText(Pos(0, 1), Pos(0, 3), {shared: true});
a.unlinkDoc(b);
var inB = b.findMarksAt(Pos(0, 2));
eq(inB.length, 1);
is(inB[0] != shared);
var inC = c.findMarksAt(Pos(0, 2));
eq(inC.length, 1);
is(inC[0] != shared);
inC[0].clear();
is(shared.find());
});
testDoc("sharedBookmark", "A='ab\ncd\nef\ngh' B<A C<~A/1-2", function(a, b, c) {
var mark = b.setBookmark(Pos(1, 1), {shared: true});
var found = a.findMarksAt(Pos(1, 1));
eq(found.length, 1);
eq(found[0], mark);
eq(c.findMarksAt(Pos(1, 1)).length, 1);
eqCharPos(mark.find(), Pos(1, 1));
b.replaceRange("x\ny\n", Pos(0, 0));
eqCharPos(mark.find(), Pos(3, 1));
var cleared = 0;
CodeMirror.on(mark, "clear", function() {++cleared;});
b.operation(function() {mark.clear();});
eq(a.findMarks(Pos(0, 0), Pos(5)).length, 0);
eq(b.findMarks(Pos(0, 0), Pos(5)).length, 0);
eq(c.findMarks(Pos(0, 0), Pos(5)).length, 0);
eq(mark.find(), null);
eq(cleared, 1);
});
testDoc("undoInSubview", "A='line 0\nline 1\nline 2\nline 3\nline 4' B<A/1-4", function(a, b) {
b.replaceRange("x", Pos(2, 0));
a.undo();
eq(a.getValue(), "line 0\nline 1\nline 2\nline 3\nline 4");
eq(b.getValue(), "line 1\nline 2\nline 3");
});
})();