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fix jshint complaints in common directory

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ansuz
2016-02-12 16:22:20 +01:00
parent 4a05a859e6
commit a600ece5c5
3 changed files with 61 additions and 50 deletions
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83
www/common/sharejs_textarea.js
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@@ -51,19 +51,19 @@ define(function () {
* This algorithm is O(N). I suspect you could speed it up somehow using regular expressions.
*/
var applyChange = function(ctx, oldval, newval) {
// Strings are immutable and have reference equality. I think this test is O(1), so its worth doing.
if (oldval === newval) return;
// Strings are immutable and have reference equality. I think this test is O(1), so its worth doing.
if (oldval === newval) return;
var commonStart = 0;
while (oldval.charAt(commonStart) === newval.charAt(commonStart)) {
commonStart++;
}
var commonStart = 0;
while (oldval.charAt(commonStart) === newval.charAt(commonStart)) {
commonStart++;
}
var commonEnd = 0;
while (oldval.charAt(oldval.length - 1 - commonEnd) === newval.charAt(newval.length - 1 - commonEnd) &&
commonEnd + commonStart < oldval.length && commonEnd + commonStart < newval.length) {
commonEnd++;
}
var commonEnd = 0;
while (oldval.charAt(oldval.length - 1 - commonEnd) === newval.charAt(newval.length - 1 - commonEnd) &&
commonEnd + commonStart < oldval.length && commonEnd + commonStart < newval.length) {
commonEnd++;
}
var bugz = {
commonStart:commonStart,
@@ -71,14 +71,14 @@ var applyChange = function(ctx, oldval, newval) {
oldvalLength: oldval.length,
newvalLength: newval.length
};
if (oldval.length !== commonStart + commonEnd) {
ctx.localChange && ctx.localChange(true);
ctx.remove(commonStart, oldval.length - commonStart - commonEnd);
}
if (newval.length !== commonStart + commonEnd) {
ctx.localChange && ctx.localChange(true);
ctx.insert(commonStart, newval.slice(commonStart, newval.length - commonEnd));
}
if (oldval.length !== commonStart + commonEnd) {
if (ctx.localChange) { ctx.localChange(true); }
ctx.remove(commonStart, oldval.length - commonStart - commonEnd);
}
if (newval.length !== commonStart + commonEnd) {
if (ctx.localChange) { ctx.localChange(true); }
ctx.insert(commonStart, newval.slice(commonStart, newval.length - commonEnd));
}
};
/**
@@ -95,31 +95,32 @@ var cannonicalize = function (content) {
// specified.
var attachTextarea = function(elem, ctx) {
// initial state will always fail the !== check in genop.
var content = {};
// initial state will always fail the !== check in genop.
var content = {};
var newSelection;
// Replace the content of the text area with newText, and transform the
// current cursor by the specified function.
var replaceText = function(newText, transformCursor) {
if (transformCursor) {
var newSelection = [transformCursor(elem.selectionStart), transformCursor(elem.selectionEnd)];
}
// Replace the content of the text area with newText, and transform the
// current cursor by the specified function.
var replaceText = function(newText, transformCursor) {
if (transformCursor) {
newSelection = [transformCursor(elem.selectionStart), transformCursor(elem.selectionEnd)];
}
// Fixate the window's scroll while we set the element's value. Otherwise
// the browser scrolls to the element.
var scrollTop = elem.scrollTop;
elem.value = newText;
content = elem.value; // Not done on one line so the browser can do newline conversion.
if (elem.scrollTop !== scrollTop) elem.scrollTop = scrollTop;
// Fixate the window's scroll while we set the element's value. Otherwise
// the browser scrolls to the element.
var scrollTop = elem.scrollTop;
elem.value = newText;
content = elem.value; // Not done on one line so the browser can do newline conversion.
if (elem.scrollTop !== scrollTop) elem.scrollTop = scrollTop;
// Setting the selection moves the cursor. We'll just have to let your
// cursor drift if the element isn't active, though usually users don't
// care.
if (newSelection && window.document.activeElement === elem) {
elem.selectionStart = newSelection[0];
elem.selectionEnd = newSelection[1];
}
};
// Setting the selection moves the cursor. We'll just have to let your
// cursor drift if the element isn't active, though usually users don't
// care.
if (newSelection && window.document.activeElement === elem) {
elem.selectionStart = newSelection[0];
elem.selectionEnd = newSelection[1];
}
};
//replaceText(ctx.get());