GNEBusStop.cpp

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/****************************************************************************/
// A lane area vehicles can halt at (GNE version)
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.dlr.de/
// Copyright (C) 2001-2017 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This file is part of SUMO.
//   SUMO 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.
//
/****************************************************************************/

// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <string>
#include <iostream>
#include <utility>
#include <foreign/polyfonts/polyfonts.h>
#include <utils/geom/PositionVector.h>
#include <utils/common/RandHelper.h>
#include <utils/common/SUMOVehicleClass.h>
#include <utils/common/ToString.h>
#include <utils/geom/GeomHelper.h>
#include <utils/gui/windows/GUISUMOAbstractView.h>
#include <utils/gui/windows/GUIAppEnum.h>
#include <utils/gui/images/GUIIconSubSys.h>
#include <utils/gui/div/GUIParameterTableWindow.h>
#include <utils/gui/globjects/GUIGLObjectPopupMenu.h>
#include <utils/gui/div/GUIGlobalSelection.h>
#include <utils/gui/div/GLHelper.h>
#include <utils/gui/windows/GUIAppEnum.h>
#include <utils/gui/images/GUITexturesHelper.h>
#include <utils/xml/SUMOSAXHandler.h>
#include <utils/common/MsgHandler.h>

#include "GNEBusStop.h"
#include "GNELane.h"
#include "GNEEdge.h"
#include "GNEJunction.h"
#include "GNEUndoList.h"
#include "GNENet.h"
#include "GNEChange_Attribute.h"
#include "GNEViewNet.h"

// ===========================================================================
// method definitions
// ===========================================================================

GNEBusStop::GNEBusStop(const std::string& id, GNELane* lane, GNEViewNet* viewNet, double startPos, double endPos, const std::string& name, const std::vector<std::string>& lines, bool friendlyPosition) :
    GNEStoppingPlace(id, viewNet, SUMO_TAG_BUS_STOP, ICON_BUSSTOP, lane, startPos, endPos, name, friendlyPosition),
    myLines(lines) {
    // When a new additional element is created, updateGeometry() must be called
    updateGeometry();
}


GNEBusStop::~GNEBusStop() {}


void
GNEBusStop::updateGeometry() {
    // Get value of option "lefthand"
    double offsetSign = OptionsCont::getOptions().getBool("lefthand") ? -1 : 1;

    // Update common geometry of stopping place
    setStoppingPlaceGeometry();

    // Obtain a copy of the shape
    PositionVector tmpShape = myShape;

    // Move shape to side
    tmpShape.move2side(1.5 * offsetSign);

    // Get position of the sign
    mySignPos = tmpShape.getLineCenter();

    // Set block icon position
    myBlockIconPosition = myShape.getLineCenter();

    // Set block icon rotation, and using their rotation for sign
    setBlockIconRotation();

    // Refresh element (neccesary to avoid grabbing problems)
    myViewNet->getNet()->refreshAdditional(this);
}


void
GNEBusStop::writeAdditional(OutputDevice& device, bool volatileOptionsEnabled) const {
    // Write parameters
    device.openTag(getTag());
    device.writeAttr(SUMO_ATTR_ID, getID());
    // Check if another lane ID must be changed if sidewalks.guess option is enabled
    if (volatileOptionsEnabled && OptionsCont::getOptions().getBool("sidewalks.guess") && (myLane->getParentEdge().getLanes().front()->isRestricted(SVC_PEDESTRIAN) == false)) {
        // add a new extra lane to edge
        myViewNet->getNet()->duplicateLane(myLane->getParentEdge().getLanes().front(), myViewNet->getUndoList());
        // write ID (now is different because there are a new lane)
        device.writeAttr(SUMO_ATTR_LANE, myLane->getID());
        // undo set extra lane
        myViewNet->getUndoList()->undo();
    } else {
        device.writeAttr(SUMO_ATTR_LANE, myLane->getID());
    }
    device.writeAttr(SUMO_ATTR_STARTPOS, getAbsoluteStartPosition());
    device.writeAttr(SUMO_ATTR_ENDPOS, getAbsoluteEndPosition());
    if (myName.empty() == false) {
        device.writeAttr(SUMO_ATTR_NAME, myName);
    }
    device.writeAttr(SUMO_ATTR_FRIENDLY_POS, myFriendlyPosition);
    if (myLines.size() > 0) {
        device.writeAttr(SUMO_ATTR_LINES, getAttribute(SUMO_ATTR_LINES));
    }
    if (myBlocked) {
        device.writeAttr(GNE_ATTR_BLOCK_MOVEMENT, myBlocked);
    }
    // Close tag
    device.closeTag();
}


const std::vector<std::string>&
GNEBusStop::getLines() const {
    return myLines;
}


void
GNEBusStop::drawGL(const GUIVisualizationSettings& s) const {
    // Start drawing adding an gl identificator
    glPushName(getGlID());

    // Add a draw matrix
    glPushMatrix();

    // Start with the drawing of the area traslating matrix to origin
    glTranslated(0, 0, getType());

    // Set color of the base
    if (isAdditionalSelected()) {
        GLHelper::setColor(myViewNet->getNet()->selectedAdditionalColor);
    } else {
        GLHelper::setColor(RGBColor(76, 170, 50));
    }

    // Obtain exaggeration of the draw
    const double exaggeration = s.addSize.getExaggeration(s);

    // Draw the area using shape, shapeRotations, shapeLengths and value of exaggeration
    GLHelper::drawBoxLines(myShape, myShapeRotations, myShapeLengths, exaggeration);

    // Check if the distance is enought to draw details
    if (s.scale * exaggeration >= 10) {

        // Add a draw matrix
        glPushMatrix();

        // Set color of the lines
        if (isAdditionalSelected()) {
            GLHelper::setColor(myViewNet->getNet()->selectionColor);
        } else {
            GLHelper::setColor(RGBColor(76, 170, 50));
        }

        // Iterate over every line
        for (int i = 0; i < (int)myLines.size(); ++i) {
            // Add a new push matrix
            glPushMatrix();

            // Traslate End positionof signal
            glTranslated(mySignPos.x(), mySignPos.y(), 0);

            // Rotate 180 (Eje X -> Mirror)
            glRotated(180, 1, 0, 0);

            // Rotate again depending of the myBlockIconRotation
            glRotated(myBlockIconRotation, 0, 0, 1);

            // Set polygon mode
            glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);

            // set polyfront position ot 0
            pfSetPosition(0, 0);

            // Set polyfront scale to 1
            pfSetScale(1.f);

            // traslate matrix for every line
            glTranslated(1.2, -(double)i, 0);

            // draw line
            pfDrawString(myLines[i].c_str());

            // pop matrix
            glPopMatrix();
        }

        // Start drawing sign traslating matrix to signal position
        glTranslated(mySignPos.x(), mySignPos.y(), 0);

        // Define number of points (for efficiency)
        int noPoints = 9;

        // If the scale * exaggeration is more than 25, recalculate number of points
        if (s.scale * exaggeration > 25) {
            noPoints = MIN2((int)(9.0 + (s.scale * exaggeration) / 10.0), 36);
        }

        // scale matrix depending of the exaggeration
        glScaled(exaggeration, exaggeration, 1);

        // Set color of the externe circle
        if (isAdditionalSelected()) {
            GLHelper::setColor(myViewNet->getNet()->selectedAdditionalColor);
        } else {
            GLHelper::setColor(RGBColor(76, 170, 50));
        }

        // Draw circle
        GLHelper::drawFilledCircle((double) 1.1, noPoints);

        // Traslate to front
        glTranslated(0, 0, .1);

        // Set color of the interne circle
        if (isAdditionalSelected()) {
            GLHelper::setColor(myViewNet->getNet()->selectionColor);
        } else {
            GLHelper::setColor(RGBColor(255, 235, 0));
        }

        // draw another circle in the same position, but a little bit more small
        GLHelper::drawFilledCircle((double) 0.9, noPoints);

        // If the scale * exageration is equal or more than 4.5, draw H
        if (s.scale * exaggeration >= 4.5) {
            if (isAdditionalSelected()) {
                GLHelper::drawText("H", Position(), .1, 1.6, myViewNet->getNet()->selectedAdditionalColor, myBlockIconRotation);
            } else {
                GLHelper::drawText("H", Position(), .1, 1.6, RGBColor(76, 170, 50, 255), myBlockIconRotation);
            }
        }

        // pop draw matrix
        glPopMatrix();

        // Show Lock icon depending of the Edit mode
        drawLockIcon();
    }

    // pop draw matrix
    glPopMatrix();

    // Pop name
    glPopName();

    // Draw name
    drawName(getCenteringBoundary().getCenter(), s.scale, s.addName);
}


std::string
GNEBusStop::getAttribute(SumoXMLAttr key) const {
    switch (key) {
        case SUMO_ATTR_ID:
            return getAdditionalID();
        case SUMO_ATTR_LANE:
            return toString(myLane->getAttribute(SUMO_ATTR_ID));
        case SUMO_ATTR_STARTPOS:
            return toString(getAbsoluteStartPosition());
        case SUMO_ATTR_ENDPOS:
            return toString(getAbsoluteEndPosition());
        case SUMO_ATTR_NAME:
            return myName;
        case SUMO_ATTR_FRIENDLY_POS:
            return toString(myFriendlyPosition);
        case SUMO_ATTR_LINES:
            return joinToString(myLines, " ");
        case GNE_ATTR_BLOCK_MOVEMENT:
            return toString(myBlocked);
        default:
            throw InvalidArgument(toString(getTag()) + " doesn't have an attribute of type '" + toString(key) + "'");
    }
}


void
GNEBusStop::setAttribute(SumoXMLAttr key, const std::string& value, GNEUndoList* undoList) {
    if (value == getAttribute(key)) {
        return; //avoid needless changes, later logic relies on the fact that attributes have changed
    }
    switch (key) {
        case SUMO_ATTR_ID:
        case SUMO_ATTR_LANE:
        case SUMO_ATTR_STARTPOS:
        case SUMO_ATTR_ENDPOS:
        case SUMO_ATTR_NAME:
        case SUMO_ATTR_FRIENDLY_POS:
        case SUMO_ATTR_LINES:
        case GNE_ATTR_BLOCK_MOVEMENT:
            undoList->p_add(new GNEChange_Attribute(this, key, value));
            updateGeometry();
            break;
        default:
            throw InvalidArgument(toString(getTag()) + " doesn't have an attribute of type '" + toString(key) + "'");
    }
}


bool
GNEBusStop::isValid(SumoXMLAttr key, const std::string& value) {
    switch (key) {
        case SUMO_ATTR_ID:
            if (isValidID(value) && (myViewNet->getNet()->getAdditional(getTag(), value) == NULL)) {
                return true;
            } else {
                return false;
            }
        case SUMO_ATTR_LANE:
            if (myViewNet->getNet()->retrieveLane(value, false) != NULL) {
                return true;
            } else {
                return false;
            }
        case SUMO_ATTR_STARTPOS:
            if (canParse<double>(value)) {
                // Check that new start Position is smaller that end position
                return ((parse<double>(value) / myLane->getLaneParametricLength()) < myEndPosRelative);
            } else {
                return false;
            }
        case SUMO_ATTR_ENDPOS:
            if (canParse<double>(value)) {
                // Check that new end Position is larger that end position
                return ((parse<double>(value) / myLane->getLaneParametricLength()) > myStartPosRelative);
            } else {
                return false;
            }
        case SUMO_ATTR_NAME:
            return true;
        case SUMO_ATTR_FRIENDLY_POS:
            return canParse<bool>(value);
        case SUMO_ATTR_LINES:
            return canParse<std::vector<std::string> >(value);
        case GNE_ATTR_BLOCK_MOVEMENT:
            return canParse<bool>(value);
        default:
            throw InvalidArgument(toString(getTag()) + " doesn't have an attribute of type '" + toString(key) + "'");
    }
}

// ===========================================================================
// private
// ===========================================================================

void
GNEBusStop::setAttribute(SumoXMLAttr key, const std::string& value) {
    switch (key) {
        case SUMO_ATTR_ID:
            setAdditionalID(value);
            break;
        case SUMO_ATTR_LANE:
            changeLane(value);
            break;
        case SUMO_ATTR_STARTPOS:
            myStartPosRelative = parse<double>(value) / myLane->getLaneParametricLength();
            updateGeometry();
            getViewNet()->update();
            break;
        case SUMO_ATTR_ENDPOS:
            myEndPosRelative = parse<double>(value) / myLane->getLaneParametricLength();
            updateGeometry();
            getViewNet()->update();
            break;
        case SUMO_ATTR_NAME:
            myName = value;
            getViewNet()->update();
            break;
        case SUMO_ATTR_FRIENDLY_POS:
            myFriendlyPosition = parse<bool>(value);
            getViewNet()->update();
            break;
        case SUMO_ATTR_LINES:
            myLines = GNEAttributeCarrier::parse<std::vector<std::string> >(value);
            getViewNet()->update();
            break;
        case GNE_ATTR_BLOCK_MOVEMENT:
            myBlocked = parse<bool>(value);
            getViewNet()->update();
            break;
        default:
            throw InvalidArgument(toString(getTag()) + " doesn't have an attribute of type '" + toString(key) + "'");
    }
}


/****************************************************************************/