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#include "sqlide/grid_view_model.h"
#include "sqlide/grid_view.h"
#include "linux_utilities/gtk_helpers.h"
#include "linux_utilities/custom_renderers.h"
#include "base/string_utilities.h"
GridViewModel::Ref GridViewModel::create(bec::GridModel::Ref model, GridView *view, const std::string &name)
{
return Ref(new GridViewModel(model, view, name));
}
GridViewModel::GridViewModel(bec::GridModel::Ref model, GridView *view, const std::string &name)
:
Glib::ObjectBase(typeid(GridViewModel)),
ListModelWrapper(model.get(), view, name),
_model(model),
_view(view),
_row_numbers_visible(true)
{
view->set_rules_hint(true); // enable alternating row colors
set_fake_column_value_getter(sigc::mem_fun(this, &GridViewModel::get_cell_value));
//set_fake_column_value_setter(sigc::mem_fun(this, &GridViewModel::set_cell_value));
}
GridViewModel::~GridViewModel()
{
}
template <size_t ValueTypeCode= bec::GridModel::StringType>
struct ValueTypeTraits
{
typedef Glib::ustring ValueType;
typedef Gtk::CellRendererText Renderer;
typedef Glib::ustring RendererValueType;
};
template<>
struct ValueTypeTraits<bec::GridModel::NumericType>
{
typedef int ValueType;
typedef Gtk::CellRendererSpin Renderer;
typedef Glib::ustring RendererValueType;
};
template<>
struct ValueTypeTraits<bec::GridModel::FloatType>
{
typedef double ValueType;
typedef Gtk::CellRendererText Renderer;
typedef Glib::ustring RendererValueType;
};
int GridViewModel::refresh(bool reset_columns)
{
model_changed(bec::NodeId(), -1);
if (reset_columns)
{
ColumnsModel &columns= model();
columns.reset();
_col_index_map.clear();
// aux columns
Gtk::TreeModelColumn<Gdk::Color> *color_column;
{
color_column= new Gtk::TreeModelColumn<Gdk::Color>;
columns.add_model_column(color_column, -1);
if (_row_numbers_visible)
{
Gtk::TreeViewColumn *col= add_column<ValueTypeTraits<> >(-2, "#", RO, NULL);
col->get_first_cell_renderer()->property_cell_background()= "LightGray";
col->set_min_width(30);
}
}
bool is_model_editable= !_model->is_readonly();
for (int index= 0, count= _model->get_column_count(); index < count; ++index)
{
Editable is_col_editable= (is_model_editable && (bec::GridModel::BlobType != _model->get_column_type(index))) ? EDITABLE : RO;
std::string label= bec::replace_string(base::sanitize_utf8(_model->get_column_caption(index)), "_", "__");
bec::GridModel::ColumnType type= _model->get_column_type(index);
Gtk::TreeViewColumn *col;
switch (type)
{
case bec::GridModel::NumericType:
col = add_column<ValueTypeTraits<bec::GridModel::NumericType> >(index, label, is_col_editable, 0);
col->set_min_width(30);
break;
case bec::GridModel::FloatType:
col = add_column<ValueTypeTraits<bec::GridModel::FloatType> >(index, label, is_col_editable, 0);
col->set_min_width(30);
break;
default:
col = add_column<ValueTypeTraits<bec::GridModel::StringType> >(index, label, is_col_editable, 0);
col->set_min_width(80);
break;
}
}
}
return 0;
}
template <typename ValueTypeTraits>
Gtk::TreeViewColumn * GridViewModel::add_column(int index, const std::string &name, Editable editable, Gtk::TreeModelColumnBase *color_column)
{
ColumnsModel &columns= model();
typedef Gtk::TreeModelColumn<typename ValueTypeTraits::ValueType> ModelColumn;
ModelColumn *col = new ModelColumn();
columns.add_model_column(col, index);
Gtk::TreeModelColumn<Glib::RefPtr<Gdk::Pixbuf> > *icon = new Gtk::TreeModelColumn<Glib::RefPtr<Gdk::Pixbuf> >();
columns.add_model_column(icon, index);
typedef CustomRenderer<typename ValueTypeTraits::Renderer, typename ValueTypeTraits::RendererValueType, typename ValueTypeTraits::ValueType> CustomRenderer;
CustomRenderer *renderer= Gtk::manage(new CustomRenderer());
renderer->floating_point_visible_scale(_model->floating_point_visible_scale());
renderer->set_edit_state= sigc::bind(sigc::mem_fun(_model.get(), &::bec::GridModel::set_edited_field), index);
Gtk::TreeViewColumn *treeview_column= renderer->bind_columns(_treeview, name, col, icon);
if (index >= 0 || index == -2)
{
treeview_column->signal_clicked().connect(sigc::bind(sigc::mem_fun(_view, &GridView::on_column_header_clicked), treeview_column, index));
treeview_column->set_clickable();
}
if (color_column)
treeview_column->add_attribute(renderer->property_cell_background_gdk(), *color_column);
_col_index_map[treeview_column]= index;
// XXX This causes the column auto-sizing to not work well. Enable it back once the auto-sizing is fixed.
// set_ellipsize(index, true);
if (editable == EDITABLE)
{
renderer->property_editable()= true;
renderer->signal_edited().connect(sigc::bind(sigc::mem_fun(*this, &GridViewModel::after_cell_edit<typename ValueTypeTraits::ValueType>), sigc::ref(*col)));
renderer->signal_edited().connect(sigc::mem_fun(_view, &GridView::on_cell_edited));
renderer->signal_editing_started().connect(sigc::bind(sigc::mem_fun(_view, &GridView::on_cell_editing_started), treeview_column));
renderer->signal_editing_canceled().connect(sigc::mem_fun(_view, &GridView::on_cell_editing_done));
}
return treeview_column;
}
void GridViewModel::set_ellipsize(const int column, const bool on)
{
Gtk::TreeViewColumn *col = 0;
for(std::map<Gtk::TreeViewColumn*, int>::const_iterator end = _col_index_map.end(), it = _col_index_map.begin();
it != end;
++it)
{
if (it->second == column)
{
col = it->first;
break;
}
}
if (col)
{
const std::vector<Gtk::CellRenderer*> rends = col->get_cell_renderers();
const int rends_size = rends.size();
for (int i = 0; i < rends_size; ++i)
{
CustomRendererOps* cr = dynamic_cast<CustomRendererOps*>(rends[i]);
if (cr)
{
Gtk::CellRendererText* crt = dynamic_cast<Gtk::CellRendererText*>(cr->data_renderer());
crt->property_ellipsize() = on ? Pango::ELLIPSIZE_END : Pango::ELLIPSIZE_NONE;
crt->property_ellipsize_set() = on;
}
}
}
}
int GridViewModel::column_index(Gtk::TreeViewColumn* col)
{
std::map<Gtk::TreeViewColumn*, int>::const_iterator i= _col_index_map.find(col);
return (_col_index_map.end() == i) ? -1 : i->second;
}
void GridViewModel::get_cell_value(const iterator& iter, int column, GType type, Glib::ValueBase& value)
{
bec::NodeId node= node_for_iter(iter);
if (!node.is_valid())
return;
switch (column)
{
case -1:
{
// static const Gdk::Color odd_row_color("white");
// static const Gdk::Color even_row_color("snow2");
// const Gdk::Color *color= (node[0]%2) ? &even_row_color : &odd_row_color;
g_value_init(value.gobj(), GDK_TYPE_COLOR);
g_value_set_boxed(value.gobj(), 0);
}
break;
case -2:
{
if (type == GDK_TYPE_PIXBUF)
g_value_init(value.gobj(), GDK_TYPE_PIXBUF);
else
{
std::ostringstream oss;
int row= node[0]+1;
if (_model->is_readonly() || (row < _model->count()))
oss << row;
else
oss << "*";
set_glib_string(value, oss.str().c_str());
}
}
break;
}
}
void GridViewModel::set_cell_value(const iterator& itier, int column, GType type, const Glib::ValueBase& value)
{
}
bool GridViewModel::handle_popup_event(GdkEvent* event)
{
return false;
}
void GridViewModel::get_value_vfunc(const iterator& iter, int column, Glib::ValueBase& value) const
{
ListModelWrapper::get_value_vfunc(iter, column, value);
before_render(column, &value);
}
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