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/*
* Copyright 2012, 2013 Thomas Schöps
* Copyright 2012-2016 Kai Pastor
*
* This file is part of OpenOrienteering.
*
* OpenOrienteering is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenOrienteering 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenOrienteering. If not, see <http://www.gnu.org/licenses/>.
*/
#include "symbol_setting_dialog.h"
#include <QColorDialog>
#include <QDialogButtonBox>
#include <QGridLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QMenu>
#include <QPushButton>
#include <QSplitter>
#include <QToolButton>
#include <QVBoxLayout>
#include "gui/widgets/template_list_widget.h"
#include "map.h"
#include "object.h"
#include "object_text.h"
#include "symbol.h"
#include "symbol_point.h"
#include "symbol_line.h"
#include "symbol_area.h"
#include "symbol_text.h"
#include "gui/main_window.h"
#include "map_editor.h"
#include "map_widget.h"
#include "template.h"
#include "template_image.h"
#include "symbol_point_editor.h"
#include "symbol_combined.h"
#include "symbol_properties_widget.h"
#include "util.h"
SymbolSettingDialog::SymbolSettingDialog(Symbol* source_symbol, Map* source_map, QWidget* parent)
: QDialog(parent, Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::WindowMaximizeButtonHint),
source_map(source_map),
source_symbol(source_symbol),
source_symbol_copy(source_symbol->duplicate()) // don't rely on external entity
{
setWindowTitle(tr("Symbol settings"));
setSizeGripEnabled(true);
symbol_modified = false;
symbol = source_symbol->duplicate();
symbol->setHidden(false);
symbol_icon_label = new QLabel();
symbol_icon_label->setPixmap(QPixmap::fromImage(symbol->getIcon(source_map)));
symbol_text_label = new QLabel();
updateSymbolLabel();
QDialogButtonBox* button_box = new QDialogButtonBox(QDialogButtonBox::Cancel | QDialogButtonBox::Ok | QDialogButtonBox::Reset | QDialogButtonBox::Help);
ok_button = button_box->button(QDialogButtonBox::Ok);
reset_button = button_box->button(QDialogButtonBox::Reset);
connect(button_box, SIGNAL(rejected()), this, SLOT(reject()));
connect(button_box, SIGNAL(accepted()), this, SLOT(accept()));
connect(reset_button, SIGNAL(clicked(bool)), this, SLOT(reset()));
connect(button_box->button(QDialogButtonBox::Help), SIGNAL(clicked(bool)), this, SLOT(showHelp()));
preview_map = new Map();
preview_map->useColorsFrom(source_map);
preview_map->setScaleDenominator(source_map->getScaleDenominator());
createPreviewMap();
preview_widget = new MainWindow(false);
preview_controller = new MapEditorController(MapEditorController::SymbolEditor, preview_map);
preview_widget->setController(preview_controller);
preview_map_view = preview_controller->getMainWidget()->getMapView();
float zoom_factor = 1;
if (symbol->getType() == Symbol::Point)
zoom_factor = 8;
else if (symbol->getType() == Symbol::Line || symbol->getType() == Symbol::Combined)
zoom_factor = 2;
preview_map_view->setZoom(zoom_factor * preview_map_view->getZoom());
properties_widget = symbol->createPropertiesWidget(this);
QVBoxLayout* preview_layout = NULL;
if (symbol->getType() == Symbol::Point)
{
Q_UNUSED(QT_TR_NOOP("Template:")) /// \todo Switch the following line to Util::Headline::create
QLabel* template_label = new QLabel(tr("<b>Template:</b> "));
template_file_label = new QLabel(tr("(none)"));
QPushButton* load_template_button = new QPushButton(tr("Open..."));
center_template_button = new QToolButton();
center_template_button->setText(tr("Center template..."));
center_template_button->setToolButtonStyle(Qt::ToolButtonTextOnly);
center_template_button->setPopupMode(QToolButton::InstantPopup);
center_template_button->setSizePolicy(QSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed));
QMenu* center_template_menu = new QMenu(center_template_button);
center_template_menu->addAction(tr("bounding box on origin"), this, SLOT(centerTemplateBBox()));
center_template_menu->addAction(tr("center of gravity on origin"), this, SLOT(centerTemplateGravity()));
center_template_button->setMenu(center_template_menu);
center_template_button->setEnabled(false);
QHBoxLayout* template_layout = new QHBoxLayout();
template_layout->addWidget(template_label);
template_layout->addWidget(template_file_label, 1);
template_layout->addWidget(load_template_button);
template_layout->addWidget(center_template_button);
preview_layout = new QVBoxLayout();
preview_layout->setContentsMargins(0, 0, 0, 0);
preview_layout->addLayout(template_layout);
preview_layout->addWidget(preview_widget);
connect(load_template_button, SIGNAL(clicked(bool)), this, SLOT(loadTemplateClicked()));
}
else
{
template_file_label = NULL;
center_template_button = NULL;
}
QGridLayout* left_layout = new QGridLayout();
left_layout->addWidget(symbol_icon_label, 0, 0);
left_layout->addWidget(symbol_text_label, 0, 1);
left_layout->addWidget(properties_widget, 1, 0, 1, 2);
left_layout->addWidget(button_box, 2, 0, 1, 2);
left_layout->setColumnStretch(1, 1);
QWidget* left = new QWidget();
left->setLayout(left_layout);
left->layout();
QWidget* right = preview_widget;
if (preview_layout != NULL)
{
right = new QWidget();
right->setLayout(preview_layout);
}
else
right->setMinimumWidth(300);
QSplitter* splitter = new QSplitter();
splitter->addWidget(left);
splitter->setCollapsible(0, false);
splitter->addWidget(right);
splitter->setCollapsible(1, true);
QBoxLayout* layout = new QHBoxLayout();
layout->setContentsMargins(0, 0, 0, 0);
layout->addWidget(splitter);
setLayout(layout);
updateButtons();
}
SymbolSettingDialog::~SymbolSettingDialog()
{
delete properties_widget; // must be deleted before the symbol!
delete symbol;
delete source_symbol_copy;
}
Symbol* SymbolSettingDialog::getNewSymbol() const
{
Symbol* clone = symbol->duplicate();
clone->setHidden(source_symbol_copy->isHidden());
return clone;
}
void SymbolSettingDialog::updatePreview()
{
symbol_icon_label->setPixmap(QPixmap::fromImage(symbol->getIcon(source_map, true)));
preview_map->updateAllObjects();
}
void SymbolSettingDialog::loadTemplateClicked()
{
auto new_template = TemplateListWidget::showOpenTemplateDialog(this, preview_controller);
if (new_template)
{
if (preview_map->getNumTemplates() > 0)
{
// Delete old template
preview_map->setTemplateAreaDirty(0);
preview_map->deleteTemplate(0);
}
preview_map->setFirstFrontTemplate(1);
auto temp = new_template.release(); // avoid double release after addTemplate
preview_map->addTemplate(temp, 0);
preview_map_view->setTemplateVisibility(temp, { 1, true });
preview_map->setTemplateAreaDirty(0);
template_file_label->setText(temp->getTemplateFilename());
center_template_button->setEnabled(qstrcmp(temp->getTemplateType(), "TemplateImage") == 0);
}
}
void SymbolSettingDialog::centerTemplateBBox()
{
Q_ASSERT(preview_map->getNumTemplates() == 1);
Template* temp = preview_map->getTemplate(0);
preview_map->setTemplateAreaDirty(0);
temp->setTemplatePosition(temp->templatePosition() - MapCoord { temp->calculateTemplateBoundingBox().center() } );
preview_map->setTemplateAreaDirty(0);
}
void SymbolSettingDialog::centerTemplateGravity()
{
Q_ASSERT(preview_map->getNumTemplates() == 1);
Template* temp = preview_map->getTemplate(0);
TemplateImage* image = reinterpret_cast<TemplateImage*>(temp);
QColor background_color = QColorDialog::getColor(Qt::white, this, tr("Select background color"));
if (!background_color.isValid())
return;
auto map_center_current = MapCoord { temp->templateToMap(image->calcCenterOfGravity(background_color.rgb())) };
preview_map->setTemplateAreaDirty(0);
temp->setTemplatePosition(temp->templatePosition() - map_center_current);
preview_map->setTemplateAreaDirty(0);
}
void SymbolSettingDialog::createPreviewMap()
{
symbol_icon_label->setPixmap(QPixmap::fromImage(symbol->getIcon(source_map)));
for (int i = 0; i < (int)preview_objects.size(); ++i)
preview_map->deleteObject(preview_objects[i], false);
preview_objects.clear();
if (symbol->getType() == Symbol::Line)
{
LineSymbol* line = reinterpret_cast<LineSymbol*>(symbol);
const int num_lines = 15;
const float min_length = 0.5f;
const float max_length = 15;
const float x_offset = -0.5f * max_length;
const float y_offset = (0.001f * qMax(600, line->getLineWidth())) * 3.5f;
float y_start = 0 - (y_offset * (num_lines - 1));
for (int i = 0; i < num_lines; ++i)
{
float length = min_length + (i / (float)(num_lines - 1)) * (max_length - min_length);
float y = y_start + i * y_offset;
PathObject* path = new PathObject(line);
path->addCoordinate(0, { x_offset - length, y });
path->addCoordinate(1, { x_offset, y });
preview_map->addObject(path);
preview_objects.push_back(path);
}
const int num_circular_lines = 12;
const auto inner_radius = 4;
auto center = MapCoordF { 2*inner_radius + 0.5 * max_length, 0.5f * y_start };
for (int i = 0; i < num_circular_lines; ++i)
{
auto angle = M_PI * 2 * i / num_circular_lines;
auto direction = MapCoordF::fromPolar(1.0, angle);
float length = min_length + (max_length - min_length) * i / (num_circular_lines - 1);
PathObject* path = new PathObject(line);
path->addCoordinate(0, MapCoord(center + direction * inner_radius));
path->addCoordinate(1, MapCoord(center + direction * (inner_radius + length)));
preview_map->addObject(path);
preview_objects.push_back(path);
}
const float snake_min_x = -1.5f * max_length;
const float snake_max_x = 1.5f * max_length;
const float snake_max_y = qMin(0.5f * y_start - inner_radius - max_length, y_start) - 4;
const float snake_min_y = snake_max_y - 6;
const int snake_steps = 8;
PathObject* path = new PathObject(line);
for (int i = 0; i < snake_steps; ++i)
{
MapCoord coord(snake_min_x + (i / (float)(snake_steps-1)) * (snake_max_x - snake_min_x), snake_min_y + (i % 2) * (snake_max_y - snake_min_y));
coord.setDashPoint(true);
path->addCoordinate(i, coord);
}
preview_map->addObject(path);
preview_objects.push_back(path);
const float curve_min_x = snake_min_x;
const float curve_max_x = snake_max_x;
const float curve_max_y = snake_min_y - 4;
const float curve_min_y = curve_max_y - 6;
path = new PathObject(line);
MapCoord coord = MapCoord(curve_min_x, curve_min_y);
coord.setCurveStart(true);
path->addCoordinate(coord);
coord = MapCoord(curve_min_x + (curve_max_x - curve_min_x) / 6, curve_max_y);
path->addCoordinate(coord);
coord = MapCoord(curve_min_x + 2 * (curve_max_x - curve_min_x) / 6, curve_max_y);
path->addCoordinate(coord);
coord = MapCoord(curve_min_x + 3 * (curve_max_x - curve_min_x) / 6, 0.5f * (curve_min_y + curve_max_y));
coord.setCurveStart(true);
path->addCoordinate(coord);
coord = MapCoord(curve_min_x + 4 * (curve_max_x - curve_min_x) / 6, curve_min_y);
path->addCoordinate(coord);
coord = MapCoord(curve_min_x + 5 * (curve_max_x - curve_min_x) / 6, curve_min_y);
path->addCoordinate(coord);
coord = MapCoord(curve_max_x, curve_max_y);
path->addCoordinate(coord);
preview_map->addObject(path);
preview_objects.push_back(path);
// Debug objects
/*
// Closed path, rectangular
PathObject* path;
MapCoord coord;
path = new PathObject(preview_map, line);
coord = MapCoord(-20, -10);
//coord.setCurveStart(true);
path->addCoordinate(coord);
coord = MapCoord(20, -10);
path->addCoordinate(coord);
coord = MapCoord(20, 10);
path->addCoordinate(coord);
coord = MapCoord(-20, 10);
path->addCoordinate(coord);
path->setPathClosed(true);
preview_map->addObject(path);
preview_objects.push_back(path);*/
// Closed path, curve
/*PathObject* path;
MapCoord coord;
path = new PathObject(preview_map, line);
path->setPathClosed(true);
coord = MapCoord(-20, 10);
coord.setCurveStart(true);
path->addCoordinate(coord);
coord = MapCoord(-10, 0);
path->addCoordinate(coord);
coord = MapCoord(-10, 10);
path->addCoordinate(coord);
preview_map->addObject(path);
preview_objects.push_back(path);*/
// Path with holes
/*PathObject* path;
MapCoord coord;
path = new PathObject(preview_map, line);
coord = MapCoord(-20, 10);
coord.setCurveStart(true);
path->addCoordinate(coord);
coord = MapCoord(-10, 0);
path->addCoordinate(coord);
coord = MapCoord(0, -10);
path->addCoordinate(coord);
coord = MapCoord(10, 10);
path->addCoordinate(coord);
coord = MapCoord(20, 10);
coord.setHolePoint(true);
path->addCoordinate(coord);
coord = MapCoord(30, 10);
path->addCoordinate(coord);
coord = MapCoord(40, 10);
path->addCoordinate(coord);
preview_map->addObject(path);
preview_objects.push_back(path);*/
}
else if (symbol->getType() == Symbol::Area)
{
const float half_radius = 8;
const float offset_y = 0;
PathObject* path = new PathObject(symbol);
path->addCoordinate(0, { -half_radius, -half_radius + offset_y });
path->addCoordinate(1, { half_radius, -half_radius + offset_y });
path->addCoordinate(2, { half_radius, half_radius + offset_y });
path->addCoordinate(3, { -half_radius, half_radius + offset_y });
preview_map->addObject(path);
preview_objects.push_back(path);
}
else if (symbol->getType() == Symbol::Text)
{
TextSymbol* text_symbol = reinterpret_cast<TextSymbol*>(symbol);
const QString string = tr("The quick brown fox\ntakes the routechoice\nto jump over the lazy dog\n1234567890");
TextObject* object = new TextObject(text_symbol);
object->setAnchorPosition(0, 0);
object->setText(string);
object->setHorizontalAlignment(TextObject::AlignHCenter);
object->setVerticalAlignment(TextObject::AlignVCenter);
preview_map->addObject(object);
preview_objects.push_back(object);
}
else if (symbol->getType() == Symbol::Combined)
{
const float radius = 5;
PathObject* path = new PathObject(symbol);
for (int i = 0; i < 5; ++i)
path->addCoordinate(i, MapCoord(sin(2*M_PI * i/5.0) * radius, -cos(2*M_PI * i/5.0) * radius));
path->parts().front().setClosed(true, false);
preview_map->addObject(path);
preview_objects.push_back(path);
}
}
void SymbolSettingDialog::showHelp()
{
QByteArray fragment;
fragment.reserve(100);
fragment = "editor";
if (properties_widget->currentIndex() > 0)
{
fragment = "symbol-type-";
fragment.append(QByteArray::number(symbol->getType()));
}
Util::showHelp(preview_controller->getWindow(), "symbol_dock_widget.html", fragment);
}
void SymbolSettingDialog::reset()
{
Symbol* old_symbol = symbol;
symbol = source_symbol_copy->duplicate();
symbol->setHidden(false);
createPreviewMap();
properties_widget->reset(symbol);
delete old_symbol;
setSymbolModified(false);
}
void SymbolSettingDialog::setSymbolModified(bool modified)
{
symbol_modified = modified;
updateSymbolLabel();
updatePreview();
updateButtons();
}
void SymbolSettingDialog::updateSymbolLabel()
{
QString number = symbol->getNumberAsString();
if (number.isEmpty())
number = QString::fromLatin1("???");
QString name = symbol->getName();
if (name.isEmpty())
name = tr("- unnamed -");
symbol_text_label->setText(QLatin1String("<b>") + number + QLatin1String(" ") + name + QLatin1String("</b>"));
}
void SymbolSettingDialog::updateButtons()
{
ok_button->setEnabled(symbol_modified && symbol->getNumberComponent(0)>=0 && !symbol->getName().isEmpty());
reset_button->setEnabled(symbol_modified);
}
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