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/* Copyright (c) 2010 Glenn Rice <glennrister@gmail.com>
*
* This file is part of poppler-glibmm.
*
* poppler-glibmm is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 2.1 of the License,
* or (at your option) any later version.
*
* poppler-glibmm is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "links.h"
#include "property-grid.h"
#include <gtkmm/textview.h>
#include <glibmm/timer.h>
#include <iomanip>
namespace PGD
{
Links::Links(const Glib::RefPtr<Poppler::Document>& document) :
Gtk::Box(Gtk::ORIENTATION_VERTICAL, 12),
m_Document(document),
m_Page(0),
m_HBoxTop(Gtk::ORIENTATION_HORIZONTAL, 6),
m_PageLabel("Page:"),
m_GetButton("Get Links"),
m_HPaned(Gtk::ORIENTATION_HORIZONTAL),
m_ActionView(document)
{
int n_pages = m_Document->get_n_pages();
m_PageSelector.set_range(1, n_pages);
m_PageSelector.set_increments(1, 10);
m_PageSelector.set_numeric();
m_PageSelector.signal_value_changed().connect(sigc::mem_fun(*this, &Links::page_selector_changed));
m_PageNumLabel.set_text(Glib::ustring::compose("of %1", n_pages));
m_GetButton.signal_clicked().connect(sigc::mem_fun(*this, &Links::get_links));
m_HBoxTop.pack_start(m_PageLabel, false, true);
m_HBoxTop.pack_start(m_PageSelector, false, true);
m_HBoxTop.pack_start(m_PageNumLabel, false, true);
m_HBoxTop.pack_end(m_GetButton, false, false);
m_TimerLabel.set_markup("<i>No links found</i>");
m_TimerLabel.set_alignment(1.0, 0.5);
m_ScrolledWin.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
m_LinkStore = Gtk::ListStore::create(m_StoreColumns);
m_TreeView.set_model(m_LinkStore);
m_TreeView.append_column("Action Type", m_StoreColumns.m_ActionType);
m_TreeView.append_column_numeric("X1", m_StoreColumns.m_X1, "%.2f");
m_TreeView.append_column_numeric("Y1", m_StoreColumns.m_Y1, "%.2f");
m_TreeView.append_column_numeric("X2", m_StoreColumns.m_X2, "%.2f");
m_TreeView.append_column_numeric("Y2", m_StoreColumns.m_Y2, "%.2f");
m_TreeView.get_selection()->signal_changed().connect(sigc::mem_fun(*this, &Links::selection_changed));
m_ScrolledWin.add(m_TreeView);
m_HPaned.add1(m_ScrolledWin);
m_HPaned.add2(m_ActionView);
m_HPaned.set_position(300);
pack_start(m_HBoxTop, false, true);
pack_start(m_TimerLabel, false, true);
pack_start(m_HPaned, true, true);
show_all();
}
void Links::page_selector_changed()
{
m_Page = m_PageSelector.get_value() - 1;
}
void Links::selection_changed()
{
Gtk::TreeIter iter = m_TreeView.get_selection()->get_selected();
if (iter) m_ActionView.set_action((*iter)[m_StoreColumns.m_Action]);
else m_ActionView.set_action(Poppler::Action());
}
void Links::get_links()
{
m_LinkStore->clear();
m_ActionView.set_action(Poppler::Action());
Glib::RefPtr<Poppler::Page> page = m_Document->get_page(m_Page);
if (!page) return;
Glib::Timer timer;
std::vector<Poppler::LinkMapping> mapping = page->get_link_mapping();
timer.stop();
int n_links = mapping.size();
if (n_links > 0)
m_TimerLabel.set_markup(Glib::ustring::format("<i>", n_links, " links found in ",
std::fixed, std::setprecision(4), timer.elapsed(), " seconds</i>"));
else
m_TimerLabel.set_markup("<i>No links found</i>");
for (std::vector<Poppler::LinkMapping>::iterator lmapping = mapping.begin();
lmapping != mapping.end(); ++lmapping)
{
Gtk::TreeRow tree_row = *(m_LinkStore->append());
Poppler::Action action = lmapping->get_action();
GEnumValue* enum_value = g_enum_get_value((GEnumClass*)g_type_class_ref(
Glib::Value<Poppler::ActionType>::value_type()), action.get_action_type());
tree_row[m_StoreColumns.m_ActionType] = enum_value->value_name;
Poppler::Rectangle area = lmapping->get_area();
tree_row[m_StoreColumns.m_X1] = area.get_x1();
tree_row[m_StoreColumns.m_Y1] = area.get_y1();
tree_row[m_StoreColumns.m_X2] = area.get_x2();
tree_row[m_StoreColumns.m_Y2] = area.get_y2();
tree_row[m_StoreColumns.m_Action] = action;
}
}
}
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