virtual BOOL on_mouse(HELEMENT he, HELEMENT target, UINT event_type, POINT pt, UINT mouseButtons, UINT keyboardStates )
{
dom::element table = he;
if(event_type == MOUSE_WHEEL)
{
table.post_event(WY_GRID_VERTICAL_SCROLL, SCROLL_STEP_PLUS);
}
if( event_type != (MOUSE_DOWN | SINKING) && event_type != MOUSE_DCLICK )
return false;
//if(mouseButtons != MAIN_MOUSE_BUTTON)
// return false;
// el must be table;
dom::element row = target_row(table, dom::element(target));
if(row.is_valid()) // click on the row
{
if( (int)row.index() < (int)fixed_rows(table) )
{
// click on the header cell
dom::element header_cell = target_header(row,target);
if( header_cell.is_valid() )
on_column_click(table, header_cell);
return mouseButtons == MAIN_MOUSE_BUTTON;
}
set_current_row(table, row, keyboardStates, event_type == MOUSE_DCLICK);
HTMLayoutUpdateWindow(table.get_element_hwnd(false));
}
return FALSE;//mouseButtons == MAIN_MOUSE_BUTTON; // as it is always ours then stop event bubbling
}
virtual BOOL on_mouse(HELEMENT he, HELEMENT target, UINT event_type, POINT pt, UINT mouseButtons, UINT keyboardStates )
{
if( event_type != MOUSE_DOWN && event_type != MOUSE_DCLICK )
return false;
if(mouseButtons != MAIN_MOUSE_BUTTON)
return false;
// el must be table;
dom::element table = he;
dom::element row = target_row(table, dom::element(target));
if(row.is_valid()) // click on the row
{
if( (int)row.index() < (int)fixed_rows(table) )
{
// click on the header cell
dom::element header_cell = target_header(row,target);
if( header_cell.is_valid() )
on_column_click(table, header_cell);
return true;
}
set_current_row(table, row, keyboardStates, event_type == MOUSE_DCLICK);
}
return true; // as it is always ours then stop event bubbling
}
void sort_rows( dom::element& table, int column_no )
{
row_sorter rs( column_no );
int fr = fixed_rows( table );
table.sort(rs,fr);
}
int num_data_rows( HELEMENT he )
{
dom::element tbl = get_table(he);
int n = fixed_rows(tbl);
int total = tbl.children_count();
return total - n;
}
virtual BOOL on_mouse(HELEMENT he, HELEMENT target, UINT event_type, POINT pt, UINT mouseButtons, UINT keyboardStates )
{
if( event_type == MOUSE_WHEEL )
{
int dir = (int)mouseButtons;
return on_scroll( he, target, dir < 0? SCROLL_STEP_PLUS : SCROLL_STEP_MINUS, 0, TRUE );
}
if( event_type != MOUSE_DOWN && event_type != MOUSE_DCLICK )
return false;
if(mouseButtons != MAIN_MOUSE_BUTTON)
return false;
dom::element table = get_table(he);
dom::element row = target_row(table, dom::element(target));
if(row.is_valid()) // click on the row
{
if( (int)row.index() < (int)fixed_rows(table) )
{
// click on the header cell
dom::element header_cell = target_header(row,target);
if( header_cell.is_valid() )
on_column_click(table, header_cell);
return true;
}
set_current_row(table, row, keyboardStates, event_type == MOUSE_DCLICK);
}
return true; // as it is always ours then stop event bubbling
}
virtual void get_rows_data( HELEMENT he )
{
dom::element tbl = get_table(he);
DATA_ROWS_PARAMS drp;
drp.firstRecord = first_row_idx;
drp.totalRecords = num_rows;
drp.firstRowIdx = fixed_rows(tbl);
drp.lastRowIdx = tbl.children_count() - 1;
dom::element self = he;
self.send_event(ROWS_DATA_REQUEST, (UINT_PTR)&drp,tbl);
first_row_idx = drp.firstRecord;
num_rows = drp.totalRecords;
}
void check_range (const dom::element& table, int idx, bool check)
{
if (!is_multiple(table)) return;
int start_idx = get_anchor(table);
int start = min(start_idx,idx );
int end = max(start_idx,idx );
int f_rows = fixed_rows(table);
if(start < f_rows) start = f_rows;
for( ;end >= start; --end )
{
dom::element row = table.child(end);
if(!wcseq(row.get_style_attribute("display"),L"none" ))
{
if (check) row.set_state(STATE_CHECKED,0,false);
else row.set_state(0,STATE_CHECKED,false);
}
}
}
void check_range (const dom::element& table, int idx, bool check)
{
if (!is_multiple(table)) return;
int start_idx = get_anchor(table);
int start = min(start_idx,idx );
int end = max(start_idx,idx );
int f_rows = fixed_rows(table);
if(start < f_rows) start = f_rows;
for( ;end >= start; --end )
{
dom::element row = table.child(end);
if(!!row.visible())
{
if (check) row.set_state(STATE_CHECKED,0);
else row.set_state(0,STATE_CHECKED);
}
}
}
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;
}
virtual BOOL on_key(HELEMENT he, HELEMENT target, UINT event_type, UINT code, UINT keyboardStates )
{
if( event_type != KEY_DOWN )
return false;
dom::element table = get_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( aux::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( aux::wcseq(row.get_style_attribute("display"),L"none" ))
{
--idx;
continue;
}
set_current_row(table, row, keyboardStates);
break;
}
}
return TRUE;
case VK_PRIOR:
{
}
return TRUE;
case VK_NEXT:
{
}
return TRUE;
case VK_HOME:
{
}
return TRUE;
case VK_END:
{
}
return TRUE;
}
return FALSE;
}
