/** set current row **/
void set_current_row( dom::element& table, dom::element& row, UINT keyboardStates, bool dblClick = false, bool smooth = false )
{
// get previously selected row:
dom::element prev = get_current_row( table );
uint new_row_checked = STATE_CHECKED;
uint old_row_checked = STATE_CHECKED;
if(is_multiple(table))
{
if (keyboardStates & SHIFT_KEY_PRESSED)
{
checkall(table, false);
check_range(table,row.index(),TRUE); // from current to new
}
else
{
if (keyboardStates & CONTROL_KEY_PRESSED)
{
set_checked_row (table,row, true); // toggle
new_row_checked = 0;
}
else
checkall(table, false);
set_anchor(table,row.index ());
}
old_row_checked = 0;
}
if( prev.is_valid() )
{
if( prev != row )
prev.set_state(0,STATE_CURRENT | old_row_checked); // drop state flags
}
row.set_state(STATE_CURRENT | new_row_checked); // set state flags
row.scroll_to_view(false,smooth);
//::UpdateWindow(row.get_element_hwnd(false));
table.post_event( dblClick? TABLE_ROW_DBL_CLICK:TABLE_ROW_CLICK, row.index(), row);
table.post_event(WY_GRID_VERTICAL_SCROLL, 0);
}
virtual BOOL on_key(HELEMENT he, HELEMENT target, UINT event_type, UINT code, UINT keyboardStates )
{
if( event_type == KEY_DOWN )
{
dom::element table = he;
switch( code )
{
case VK_DOWN:
{
dom::element c = get_current_row( table );
int idx = c.is_valid()? (c.index() + 1):fixed_rows(table);
while( idx < (int)table.children_count() )
{
dom::element row = table.child(idx);
if( wcseq(row.get_style_attribute("display"),L"none" ))
{
++idx;
continue;
}
set_current_row(table, row, keyboardStates);
break;
}
}
return TRUE;
case VK_UP:
{
dom::element c = get_current_row( table );
int idx = c.is_valid()? (c.index() - 1):(table.children_count() - 1);
while( idx >= fixed_rows(table) )
{
dom::element row = table.child(idx);
if( wcseq(row.get_style_attribute("display"),L"none" ))
{
--idx;
continue;
}
set_current_row(table, row, keyboardStates);
break;
}
}
return TRUE;
case VK_PRIOR:
{
RECT trc = table.get_location(ROOT_RELATIVE | SCROLLABLE_AREA);
int y = trc.top - (trc.bottom - trc.top);
int first = fixed_rows(table);
dom::element r;
for( int i = table.children_count() - 1; i >= first; --i )
{
dom::element nr = table.child(i);
if( wcseq(nr.get_style_attribute("display"),L"none" ))
continue;
dom::element pr = r;
r = nr;
if( r.get_location(ROOT_RELATIVE | BORDER_BOX).top < y )
{
// row found
if(pr.is_valid()) r = pr; // to last fully visible
break;
}
}
set_current_row(table, r, keyboardStates);
}
return TRUE;
case VK_NEXT:
{
RECT trc = table.get_location(ROOT_RELATIVE | SCROLLABLE_AREA);
int y = trc.bottom + (trc.bottom - trc.top);
int last = table.children_count() - 1;
dom::element r;
for( int i = fixed_rows(table); i <= last; ++i )
{
dom::element nr = table.child(i);
if( wcseq(nr.get_style_attribute("display"),L"none" ))
continue;
dom::element pr = r;
r = nr;
if( r.get_location(ROOT_RELATIVE | BORDER_BOX).bottom > y )
{
// row found
if(pr.is_valid()) r = pr; // to last fully visible
break;
}
}
set_current_row(table, r, keyboardStates);
}
return TRUE;
case VK_HOME:
{
int idx = fixed_rows(table);
while( (int)idx < (int)table.children_count() )
{
dom::element row = table.child(idx);
if( wcseq(row.get_style_attribute("display"),L"none" ))
{
++idx;
continue;
}
set_current_row(table, row, keyboardStates);
break;
}
}
return TRUE;
case VK_END:
{
int idx = table.children_count() - 1;
while( idx >= fixed_rows(table) )
{
dom::element row = table.child(idx);
if( wcseq(row.get_style_attribute("display"),L"none" ))
{
--idx;
continue;
}
set_current_row(table, row, keyboardStates);
break;
}
}
return TRUE;
case 'A':
if( is_multiple(table) && (keyboardStates & CONTROL_KEY_PRESSED) != 0 )
{
checkall(table, true);
return TRUE;
}
return FALSE;
}
}
return FALSE;
}
