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narrow: Simplify narrow operand processing code. 

(imported from commit 9b353c3fab0d5c6532e844c9de45f10a7c6dc068)
This commit is contained in:
Tim Abbott 2013-06-13 15:03:01 -04:00
parent 6f57f62866
commit 8678148ad1
1 changed files with 11 additions and 24 deletions
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35
zephyr/static/js/narrow.js
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@ -353,12 +353,9 @@ exports.stream = function () {
if (current_filter === undefined) {
return undefined;
}
var j;
var current_operators = current_filter.operators();
for (j = 0; j < current_operators.length; j++) {
if (current_operators[j][0] === "stream") {
return current_operators[j][1];
}
var stream_operands = current_filter.operands("stream");
if (stream_operands.length === 1) {
return stream_operands[0];
}
return undefined;
};
@ -606,35 +603,25 @@ exports.by_stream_subject_uri = function (stream, subject) {
// Are we narrowed to PMs: all PMs or PMs with particular people.
exports.narrowed_to_pms = function () {
var i, filter = narrow.filter();
if (filter === undefined) {
if (current_filter === undefined) {
return false;
}
if (filter.operands("pm-with").length === 1) {
return true;
}
var operands = filter.operands("is");
for (i = 0; i < operands.length; i++) {
if (operands[i] === "private-message") {
return true;
}
}
return false;
return (current_filter.has_operator("pm-with") ||
current_filter.has_operand("is", "private-message"));
};
// We auto-reply under certain conditions, namely when you're narrowed
// to a PM (or huddle), and when you're narrowed to some stream/subject pair
exports.narrowed_by_reply = function () {
var filter = narrow.filter();
if (filter === undefined) {
if (current_filter === undefined) {
return false;
}
var operators = filter.operators();
var operators = current_filter.operators();
return ((operators.length === 1 &&
filter.operands("pm-with").length === 1) ||
current_filter.operands("pm-with").length === 1) ||
(operators.length === 2 &&
filter.operands("stream").length === 1 &&
filter.operands("subject").length === 1));
current_filter.operands("stream").length === 1 &&
current_filter.operands("subject").length === 1));
};
return exports;