mirror/transmission
1
0
Fork 0
mirror of https://github.com/transmission/transmission synced 2024-12-25 17:17:31 +00:00
Code Issues Releases Wiki Activity

(trunk web) make Transmission.js' keyDown() function more efficient & a little more readable

Browse source
This commit is contained in:
Jordan Lee 2011-08-21 14:02:28 +00:00
parent f1d91b1ff8
commit d42973b607
1 changed files with 30 additions and 32 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

62
web/javascript/transmission.js
View file

@ -475,22 +475,23 @@ Transmission.prototype =
Prefs.setValue( key, val );
},
scrollToElement: function( e )
scrollToRow: function(row)
{
if( iPhone )
return;
if( iPhone ) // FIXME: why?
return
var container = $('#torrent_container');
var scrollTop = container.scrollTop( );
var innerHeight = container.innerHeight( );
var list = $('#torrent_container')
var scrollTop = list.scrollTop()
var innerHeight = list.innerHeight()
var offsetTop = e.offsetTop;
var offsetHeight = $(e).outerHeight( );
var e = $(row.getElement())
var offsetTop = e[0].offsetTop
var offsetHeight = e.outerHeight()
if( offsetTop < scrollTop )
container.scrollTop( offsetTop );
list.scrollTop( offsetTop );
else if( innerHeight + scrollTop < offsetTop + offsetHeight )
container.scrollTop( offsetTop + offsetHeight - innerHeight );
list.scrollTop( offsetTop + offsetHeight - innerHeight );
},
seedRatioLimit: function(){
@ -582,32 +583,29 @@ Transmission.prototype =
/*
* Process key event
*/
keyDown: function(event)
keyDown: function(ev)
{
var tr = this;
var sel = tr.getSelectedRows( );
var rows = tr.getVisibleRows( );
var i = -1;
var up = ev.keyCode === 38 // up key pressed
var dn = ev.keyCode === 40 // down key pressed
if( event.keyCode == 40 ) // down arrow
if(up || dn)
{
var r = sel.length ? sel[sel.length-1] : null;
i = r==null ? null : tr.getRowIndex(rows,r)+1;
if( i == rows.length || i == null )
i = 0;
}
else if( event.keyCode == 38 ) // up arrow
{
var r = sel.length ? sel[0] : null
i = r==null ? null : tr.getRowIndex(rows,r)-1;
if( i == -1 || i == null )
i = rows.length - 1;
}
var rows = this.getVisibleRows()
if( 0<=i && i<rows.length ) {
tr.deselectAll( );
tr.selectRow( tr._rows[i], true );
tr.scrollToElement( tr._rows[i] );
// find the first selected row
for(var i=0, row; row=rows[i]; ++i)
if(row.isSelected())
break
if(i == rows.length) // no selection yet
i = 0
else if(dn)
i = (i+1) % rows.length
else if(up)
i = (i || rows.length) - 1
this.setSelectedRow(rows[i])
this.scrollToRow(rows[i])
}
},