void set_checked_row( dom::element& table, dom::element& row, bool toggle = false )
{
if(toggle)
{
if( row.get_state( STATE_CHECKED) )
row.set_state( 0,STATE_CHECKED,false);
else
row.set_state( STATE_CHECKED,0,false);
}
else
row.set_state( STATE_CHECKED,0,false);
}
/** set current row **/
void set_current_row( dom::element& table, dom::element& row, UINT keyboardStates, bool dblClick = false )
{
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
else
checkall(table, false);
set_anchor(table,row.index ());
}
}
// get previously selected row:
dom::element prev = get_current_row( table );
if( prev.is_valid() )
{
if( prev != row )
prev.set_state(0,STATE_CURRENT, false); // drop state flags
}
row.set_state(STATE_CURRENT); // set state flags
row.scroll_to_view();
::UpdateWindow(row.get_element_hwnd(false));
table.post_event( dblClick? TABLE_ROW_DBL_CLICK:TABLE_ROW_CLICK, row.index(), row);
}
/** set current row **/
void set_current_row( dom::element& table, dom::element& row, UINT keyboardStates, bool dblClick = false )
{
// get previously selected row:
dom::element prev = get_current_row( table );
if( prev.is_valid() )
{
if( prev != row )
prev.set_state(0,STATE_CURRENT, false); // drop state flags
}
row.set_state(STATE_CURRENT); // set state flags
row.scroll_to_view();
table.post_event( dblClick? TABLE_ROW_DBL_CLICK:TABLE_ROW_CLICK, row.index(), row);
}
// select
bool select_tab( dom::element& tabs_el, dom::element& tab_el )
{
if(tab_el.get_state(STATE_CURRENT))
// already selected, nothing to do...
return true; // but we've handled it.
//find currently selected element (tab and panel) and remove "selected" from them
dom::element prev_panel_el = tabs_el.find_first(":root>[name]:expanded");
dom::element prev_tab_el = tabs_el.find_first(":root>.strip>[panel]:current");
// find new tab and panel
const wchar_t* pname = tab_el.get_attribute("panel");
dom::element panel_el = tabs_el.find_first(":root>[name=\"%S\"]", pname);
if( !panel_el.is_valid() || !tab_el.is_valid() )
{
assert(false); // panel="somename" without matching name="somename"
return true;
}
if( prev_panel_el.is_valid() )
{
prev_panel_el.set_attribute("selected", 0); // remove selected attribute - just in case somone is using attribute selectors
prev_panel_el.set_state(STATE_COLLAPSED,0); // set collapsed in case of someone use it for styling
}
if( prev_tab_el.is_valid() )
{
prev_tab_el.set_attribute("selected", 0); // remove selected attribute
prev_tab_el.set_state(0,STATE_CURRENT); // reset also state flag, :current
}
panel_el.set_attribute("selected", L""); // set selected attribute (empty)
panel_el.set_state(STATE_EXPANDED,0); // expand it
tab_el.set_attribute("selected", L""); // set selected attribute (empty)
tab_el.set_state(STATE_CURRENT,0); // set also state flag, :current
// notify all parties involved
if (prev_tab_el.is_valid())
{
prev_tab_el.post_event(ELEMENT_COLLAPSED,0, prev_tab_el); // source here is old collapsed tab itself
}
tab_el.post_event(ELEMENT_EXPANDED,0, tab_el); // source here is new expanded tab itself
// NOTE #1: these event will bubble from panel elements up to the root so panel itself, tabs ctl, its parent, etc.
// will receive these notifications. Handle them if you need to change UI dependent from current tab.
// NOTE #2: while handling this event in:
// virtual BOOL on_event (HELEMENT he, HELEMENT target, BEHAVIOR_EVENTS type, UINT reason ),
// HELEMENT target is the panel element being collapsed/expanded
return true;
}
// set current item
virtual void set_current_item( const dom::element& ctl, dom::element& item )
{
// get previously selected item:
dom::element prev_current = ctl.find_first(":current");
dom::element prev = ctl.find_first(":expanded");
if(prev_current != item && prev_current.is_valid())
prev_current.set_state(0, STATE_CURRENT);
if( prev.is_valid() )
{
if( prev == item ) return; // already here, nothing to do.
prev.set_state(0,STATE_CURRENT | STATE_EXPANDED); // drop state flags
}
item.set_state(STATE_CURRENT | STATE_EXPANDED); // set state flags
}
virtual void on_column_click( dom::element& table, dom::element& header_cell )
{
super::on_column_click( table, header_cell );
dom::element current = table.find_first("th:checked");
if( current == header_cell )
return; // already here, nothing to do.
if( current.is_valid() )
current.set_state(0, STATE_CHECKED);
header_cell.set_state(STATE_CHECKED);
dom::element ctr = get_current_row( table );
sort_rows( table, header_cell.index() );
if( ctr.is_valid() )
ctr.scroll_to_view();
}
// set current item
virtual void set_current_item( const dom::element& ctl, dom::element& item )
{
// get previously expanded item:
dom::element prev = ctl.find_first(":expanded");
dom::element prev_current = ctl.find_first(":current");
if(prev_current != item && prev_current.is_valid())
prev_current.set_state(0, STATE_CURRENT);
if( prev == item )
{
prev.set_state(STATE_CURRENT | STATE_COLLAPSED);
}
else
{
if( prev.is_valid() )
prev.set_state(STATE_COLLAPSED); // collapse old one
item.set_state(STATE_CURRENT | STATE_EXPANDED); // set new expanded.
}
item.scroll_to_view();
}
/** 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);
}