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(trunk web) selecting the up arrow when no transfers are selected selects the bottom transfer; eliminate an error when pushing the up/down arrow keys with a blank torrent list

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This commit is contained in:
Mitchell Livingston
2011-08-28 19:30:17 +00:00
parent 246df2b3e7
commit 50c03d585d
1 changed files with 17 additions and 9 deletions
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26
web/javascript/transmission.js
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@@ -481,23 +481,31 @@ Transmission.prototype =
keyDown: function(ev)
{
var handled = false,
rows = this._rows,
up = ev.keyCode === 38; // up key pressed
dn = ev.keyCode === 40, // down key pressed
shift = ev.keyCode === 16; // shift key pressed
if (up || dn)
if ((up || dn) && rows.length)
{
var rows = this._rows,
last = this.indexOfLastTorrent(),
var last = this.indexOfLastTorrent(),
i = last,
anchor = this._shift_index;
if (i === -1) // no selection yet
i = 0;
else if (dn)
i = (i+1) % rows.length;
else if (up)
i = (i || rows.length) - 1;
if (dn)
{
if (i === -1) // no selection yet
i = 0;
else
i = (i+1) % rows.length;
}
else
{
if (i === -1) // no selection yet
i = rows.length - 1;
else
i = (i || rows.length) - 1;
}
var r = rows[i];
if (anchor >= 0)