flopp / FloppsMap

  regexp: true

  indent: 4

*/

/*global

  $,

  Line, Markers, Storage

*/

var Lines = {};

Lines.m_map = null;

Lines.m_nextLineId = 0;

Lines.m_lines = [];

Lines.init = function (themap) {

    'use strict';

    Lines.m_map = themap;

    Lines.m_nextLineId = 0;

    Lines.m_lines = [];

};

Lines.newLine = function (source, target) {

    'use strict';

    var m1 = Markers.getById(source),

        m2 = Markers.getById(target);

    if (!m1 || m1.isFree()) {

        source = -1;

    }

    if (!m2 || m2.isFree()) {

        target = -1;

    }

    this.m_lines.push(new Line(Lines.m_map, this.m_nextLineId, source, target));

    this.m_nextLineId += 1;

    this.updateTotalDistance();

    this.store();

};

Lines.getLineIndex = function (id) {

    'use strict';

    var index, line;

    for (index = 0; index < this.m_lines.length; index += 1) {

        line = this.m_lines[index];

        if (line && line.getId() === id) {

            return index;

        }

    }

    return -1;

};

Lines.getLineById = function (id) {

    'use strict';

    var index = this.getLineIndex(id);

    if (index < 0) {

        return null;

    }

    return this.m_lines[index];

};

Lines.getLinesText = function () {

    'use strict';

    var a = [];

    this.m_lines.map(function (line) {

        if (line) {

            a.push(line.getEndpointsString());

        }

    });

    return a.join("*");

};

Lines.store = function () {

    'use strict';

    Storage.set("lines", this.getLinesText());

};

Lines.selectLineSourceById = function (id, markerId) {

    'use strict';

    this.getLineById(id).setSource(markerId);

    this.updateTotalDistance();

    this.store();

};

Lines.selectLineTargetById = function (id, markerId) {

    'use strict';

    this.getLineById(id).setTarget(markerId);

    this.updateTotalDistance();

    this.store();

};

Lines.selectLineTarget = function (id) {

    'use strict';

    var markerId = -1,

        opt = $("#dynline" + id + " .target option:selected");

    if (opt) {

        markerId = parseInt(opt.val(), 10);

    }

    this.selectLineTargetById(id, markerId);

};

Lines.updateLinesMarkerMoved = function (markerId) {

    'use strict';

    this.m_lines.map(function (line) {

        if (line) {

            line.updateMarkerMoved(markerId);

        }

    });

    this.updateTotalDistance();

};

Lines.updateLinesMarkerAdded = function () {

    'use strict';

    this.m_lines.map(function (line) {

        if (line) {

            line.updateMarkerAdded();

        }

    });

};

Lines.updateLinesMarkerRemoved = function (markerId) {

    'use strict';

    this.m_lines.map(function (line) {

        if (line) {

            line.updateMarkerRemoved(markerId);

        }

    });

    this.updateTotalDistance();

    this.store();

};

Lines.updateLine = function (id) {

    'use strict';

    var index = this.getLineIndex(id);

    if (index < 0) {

        return;

    }

    this.m_lines[index].update();

    this.updateTotalDistance();

};

Lines.deleteLine = function (id) {

    'use strict';

    $('#dynline' + id).remove();

    var index = this.getLineIndex(id);

    if (index < 0 || !this.m_lines[index]) {

        return;

    }

    this.m_lines[index].clearMapObject();

    this.m_lines[index] = null;

    this.updateTotalDistance();

    this.store();

};

Lines.deleteAllLines = function () {

    'use strict';

    var self = this;

    this.m_lines.map(function (line) {

        if (line) {

            self.deleteLine(line.getId());

        }

    });

    this.updateTotalDistance();

};

Lines.updateTotalDistance = function () {

    'use strict';

    var lines = 0;

    var distance = 0;

    this.m_lines.map(function (line) {

        if (line) {

            var d = line.distance();

            lines += 1;

            if (d > 0) {

                distance += d;

            }

        }

    });

    if (lines > 0) {

        $('#lineDist').html(distance.toFixed() + "m");

        $('#lineDistDiv').show();

    } else {

        $('#lineDistDiv').hide();

    }

};