flopp / FloppsMap

function Line(themap, id, source, target) {

    'use strict';

    this.m_map = themap;

    this.m_id = id;

    this.m_lineMapObject = null;

    this.m_source = -1;

    this.m_target = -1;

    this.m_distanceLabel = null;

    this.m_distance = -1;

    $('#dynLineDiv').append(

        "<div id=\"dynline" + id + "\">" +

            "<table style=\"width: 100%\">" +

            "<tr>" +

            "<td>" +

            "<select class=\"source my-small-select\" data-i18n=\"[title]sidebar.lines.source\" onchange=\"Lines.selectLineSource(" + id + ");\"><option value=\"-1\">?</option></select>" +

            " → " +

            "<select class=\"target my-small-select\" data-i18n=\"[title]sidebar.lines.destination\" onchange=\"Lines.selectLineTarget(" + id + ");\"><option value=\"-1\">?</option></select>" +

            "</td>" +

            "<td>" +

            "<button class=\"my-button btn btn-mini btn-danger\" style=\"float: right\" data-i18n=\"[title]sidebar.lines.delete_line\" type=\"button\" onClick=\"trackLine('delete'); Lines.deleteLine(" + id + ");\"><i class=\"fa fa-trash-o\"></i></button>" +

            "<div>" +

            "</div>" +

            "</td>" +

            "</tr>" +

            "<tr><td colspan=\"2\"><i class=\"fa fa-arrows-h\"></i> <span class=\"dist\">n/a</span> <i class=\"fa fa-compass\"></i> <span class=\"angle\">n/a</span></td></tr>" +

            "</table>" +

            "</div>"

    );

    this.updateLists();

    this.setSource(source);

    this.setTarget(target);

}

Line.prototype.m_map = null;

Line.prototype.m_id = -1;

Line.prototype.m_lineMapObject = null;

Line.prototype.m_source = -1;

Line.prototype.m_target = -1;

Line.prototype.m_distanceLabel = null;

Line.prototype.m_distance = -1;

Line.prototype.getId = function () {

    'use strict';

    return this.m_id;

};

Line.prototype.clearMapObject = function () {

    'use strict';

    if (this.m_lineMapObject) {

        this.m_lineMapObject.setMap(null);

        this.m_lineMapObject = null;

    }

    if (this.m_distanceLabel) {

        this.m_distanceLabel.setMap(null);

        this.m_distanceLabel = null;

    }

};

Line.prototype.updateMapObject = function (pos1, pos2, center) {

    'use strict';

    if (!this.m_lineMapObject) {

        this.m_lineMapObject = new google.maps.Polyline({

            strokeColor: '#ff0000',

            strokeWeight: 2,

            strokeOpacity: 0.7,

            geodesic: true,

            icons: [{

                icon: {

                    path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW

                },

                repeat: '0'

            }]

        });

        this.m_lineMapObject.setMap(this.m_map);

        this.m_distanceLabel = new TxtOverlay(center, "n/a", "mapDistanceLabel", this.m_map);

    }

    var path = new google.maps.MVCArray();

    path.push(pos1);

    path.push(pos2);

    this.m_lineMapObject.setPath(path);

    this.m_distanceLabel.setPos(center);

};

Line.prototype.getEndpointsString = function () {

    'use strict';

    return id2alpha(this.m_source) + ":" + id2alpha(this.m_target);

};

Line.prototype.setSource = function (markerId) {

    'use strict';

    if (markerId !== this.m_source) {

        this.m_source = markerId;

        this.update();

        $("#dynline" + this.m_id + " .source > option[value=" + markerId + "]").attr("selected", "selected");

    }

};

Line.prototype.setTarget = function (markerId) {

    'use strict';

    if (markerId !== this.m_target) {

        this.m_target = markerId;

        this.update();

        $("#dynline" + this.m_id + " .target > option[value=" + markerId + "]").attr("selected", "selected");

    }

};

Line.prototype.update = function () {

    'use strict';

    if (this.m_source === -1 || this.m_target === -1) {

        this.clearMapObject();

        this.m_distance = -1;

        $("#dynline" + this.m_id + " .dist").html("n/a");

        $("#dynline" + this.m_id + " .angle").html("n/a");

        return;

    }

    var pos1 = Markers.getById(this.m_source).getPosition(),

        pos2 = Markers.getById(this.m_target).getPosition(),

        dist_angle = Coordinates.dist_angle_geodesic(pos1, pos2),

        centerPos = Coordinates.projection_geodesic(pos1, dist_angle.angle, 0.5 * dist_angle.dist);

    this.updateMapObject(pos1, pos2, centerPos);

    this.m_distance = dist_angle.dist;

    if (dist_angle.dist <= 0) {

        this.m_distanceLabel.setText("");

        $("#dynline" + this.m_id + " .dist").html("0m");

        $("#dynline" + this.m_id + " .angle").html("n/a");

    } else {

        this.m_distanceLabel.setText(dist_angle.dist.toFixed() + "m");

        $("#dynline" + this.m_id + " .dist").html(dist_angle.dist.toFixed() + "m");

        $("#dynline" + this.m_id + " .angle").html(dist_angle.angle.toFixed(1) + "°");

    }

};

Line.prototype.updateMarkerMoved = function (markerId) {

    'use strict';

    if (this.m_source === markerId || this.m_target === markerId) {

        this.update();

    }

};

Line.prototype.updateMarkerRemoved = function (markerId) {

    'use strict';

    if (this.m_source === markerId) {

        this.m_source = -1;

        this.clearMapObject();

    }

    if (this.m_target === markerId) {

        this.m_target = -1;

        this.clearMapObject();

    }

    this.updateLists();

};

Line.prototype.updateMarkerAdded = function () {

    'use strict';

    this.updateLists();

};

Line.prototype.updateLists = function () {

    'use strict';

    var source = $("#dynline" + this.m_id + " .source"),

        target = $("#dynline" + this.m_id + " .target"),

        i,

        m;

    source.empty();

    target.empty();

    source.append('<option value="-1">?</option>');

    target.append('<option value="-1">?</option>');

    for (i = 0; i < Markers.getSize(); i = i + 1) {

        m = Markers.getById(i);

        if (!m.isFree()) {

            source.append('<option value="' + i + '">' + m.getAlpha() + '</option>');

            target.append('<option value="' + i + '">' + m.getAlpha() + '</option>');

        }

    }

    $("#dynline" + this.m_id + " .source > option[value=" + this.m_source + "]").attr("selected", "selected");

    $("#dynline" + this.m_id + " .target > option[value=" + this.m_target + "]").attr("selected", "selected");

    this.update();

};

Line.prototype.distance = function () {

    'use strict';

    return this.m_distance;

};