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allow programmatically export an arbitrary set of columns

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This commit is contained in:
qPCR4vir 2015-04-25 21:39:09 +02:00
parent 49378469ab
commit db0591a5db
1 changed files with 12 additions and 8 deletions
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20
source/gui/widgets/listbox.cpp
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@ -350,16 +350,20 @@ namespace nana
nana::string head_str;
bool first{true};
for( size_type idx{}; idx<exp_opt.columns_order.size(); ++idx)
{
assert(exp_opt.columns_order[idx] == cont()[idx].index );
assert(cont()[exp_opt.columns_order[idx]].visible || ! exp_opt.only_visible_columns);
{
size_type index{exp_opt.columns_order[idx]};
auto col = std::find_if(std::begin(cont()), std::end(cont()), [index](const column_t& col){return col.index == index;});
if(col == std::end(cont()) )
throw std::out_of_range("Trying to export from a lisboxt an inexisting column");
if(first)
first=false;
else
assert(col->visible || ! exp_opt.only_visible_columns);
if(first)
first=false;
else
head_str += exp_opt.sep;
head_str += cont()[idx].text;
head_str += col->text;
}
return head_str;
}
@ -3358,7 +3362,7 @@ namespace nana
exp_opt.columns_order = essence_->header.all_headers(true);
exp_opt.only_selected_items = true;
nana::system::dataexch().set(essence_->to_string(exp_opt));
return;
return;
}
default:
return;