timeline/js/timeline.js
author veltr
Tue, 22 May 2012 14:55:44 +0200
changeset 65 03bbfd9cd3c6
child 66 37492d1ce841
permissions -rw-r--r--
First commit for Timeline

/*
 * Main Timeline code
 */

window.Tlns = {
    Utils : {},
    Defaults : {},
    Templates : {},
    Classes : {}
};

/* Utility Functions */

Tlns.Utils.SetDefaults = function(_object, _defaults, _options) {
    var _options = _options || {};
    _(_defaults).each(function(_v, _k) {
        if(/^m(in|ax)_/.test(_k)) {
            var _tab = _k.split('_')
            if( typeof _object[_tab[1]] !== "undefined") {
                var _fn = (_tab[0] === "min" ? Math.max : Math.min);
                _object[_tab[1]] = _fn(_object[_tab[1]], _v);
            }
        } else {
            if( typeof _options[_k] !== "undefined") {
                _object[_k] = _options[_k];
            } else {
                _object[_k] = _v;
            }
        }
    });
}

Tlns.Utils.dateFormat = function(_date, _template) {
    if (typeof _data !== "object") {
        _date = new Date(_date);
    }
    function zeroPad(_n) {
        return (_n < 10 ? "0" : "") + _n
    }
    var _params = {
        hours: _date.getHours(),
        "0hours": zeroPad(_date.getHours()),
        minutes: _date.getMinutes(),
        "0minutes": zeroPad(_date.getMinutes()),
        seconds: _date.getSeconds(),
        "0seconds": zeroPad(_date.getSeconds()),
        dayOfWeek: ["dimanche","lundi","mardi","mercredi","jeudi","vendredi","samedi"][_date.getDay()],
        shortDayOfWeek: ["Dim","Lun","Mar","Mer","Jeu","Ven","Sam"][_date.getDay()],
        dayOfMonth: _date.getDate(),
        "0dayOfMonth": zeroPad(_date.getDate()),
        monthNumber: 1+_date.getMonth(),
        "0monthNumber": zeroPad(1+_date.getMonth()),
        monthName: ["janvier","février","mars","avril","mai","juin","juillet","août","septembre","octobre","novembre","décembre"][_date.getMonth()],
        shortMonthName: ["jan","fev","mar","avr","mai","jun","jul","aou","sep","oct","nov","dec"][_date.getMonth()],
        year: _date.getFullYear()
    }
    return Mustache.to_html(_template, _params);
}

/* Defaults */

Tlns.Defaults.Timeline = {
    container : "timeline",
    width : 950,
    height : 200,
    url_univers : '',
    min_width : 400,
    min_height : 100,
    main_width : 800,
    timescales : [{
        label : "Mois",
        span : 32 * 86400 * 1000,
        grid_interval : 5 * 86400 * 1000,
        grid_date_format : '{{dayOfMonth}} {{shortMonthName}}',
        start_date_format : '{{dayOfMonth}} {{shortMonthName}}',
        end_date_format : '{{dayOfMonth}} {{shortMonthName}} {{year}}'
    }, {
        label : "Semaine",
        span : 8 * 86400 * 1000,
        grid_interval : 86400 * 1000,
        grid_date_format : '{{shortDayOfWeek}} {{0dayOfMonth}}/{{0monthNumber}}',
        start_date_format : '{{dayOfMonth}} {{shortMonthName}}',
        end_date_format : '{{dayOfMonth}} {{shortMonthName}}'
    }, {
        label : "2 jours",
        span : 2 * 86400 * 1000,
        grid_interval : 8 * 3600 * 1000,
        grid_date_format : '{{shortDayOfWeek}} {{0dayOfMonth}}/{{0monthNumber}} {{hours}}h',
        start_date_format : '{{dayOfMonth}} {{shortMonthName}}',
        end_date_format : '{{dayOfMonth}} {{shortMonthName}}'
    }, {
        label : "Demi-Journée",
        span : 12 * 3600 * 1000,
        grid_interval : 2 * 3600 * 1000,
        grid_date_format : '{{hours}}h',
        start_date_format : '{{dayOfMonth}} {{shortMonthName}} {{hours}}h',
        end_date_format : '{{dayOfMonth}} {{shortMonthName}} {{hours}}h'
    }, {
        label : "3 Heures",
        span : 3 * 3600 * 1000,
        grid_interval : 30 * 60 * 1000,
        grid_date_format : '{{0hours}}:{{0minutes}}',
        start_date_format : '{{dayOfMonth}} {{shortMonthName}} {{0hours}}:{{0minutes}}',
        end_date_format : '{{0hours}}:{{0minutes}}'
    }, {
        label : "1 Heure",
        span : 80 * 60 * 1000,
        grid_interval : 15 * 60 * 1000,
        grid_date_format : '{{0hours}}:{{0minutes}}',
        start_date_format : '{{dayOfMonth}} {{shortMonthName}} {{0hours}}:{{0minutes}}',
        end_date_format : '{{0hours}}:{{0minutes}}'
    }],
    level: 0,
    central_time: 0,
    sync_now: true,
    url_occurrences: '',
    occurrences: {}
}

for (var _i = 0; _i < Tlns.Defaults.Timeline.timescales.length; _i++) {
    Tlns.Defaults.Timeline.timescales[_i].level = _i;
}

/* Templates */

Tlns.Templates.Timeline = '<div class="Tl-TopBar"><div class="Tl-TopBar-Button Tl-Border-Right"><div class="Tl-TopBar-AddButton"></div></div><div class="Tl-TopBar-Spacer Tl-Border-Right"></div>'
    + '<div class="Tl-TopBar-Button Tl-Border-Right"><div class="Tl-TopBar-PreviousButton"></div></div><div class="Tl-TopBar-TimeSpan Tl-TopBar-TextBtn Tl-Border-Right">--/--</div>'
    + '<div class="Tl-TopBar-Button Tl-Border-Right"><div class="Tl-TopBar-SyncButton"></div></div><div class="Tl-TopBar-Button Tl-Border-Right"><div class="Tl-TopBar-NextButton"></div></div><div class="Tl-TopBar-Spacer Tl-Border-Right"></div>'
    + '<div class="Tl-TopBar-Timescales">{{#timescales}}<div class="Tl-TopBar-Button Tl-TopBar-TextBtn Tl-Border-Right" data-level="{{level}}">{{label}}</div>{{/timescales}}</div></div>'
    + '<div class="Tl-BottomPart"><ul class="Tl-UniversLabels"></ul><div class="Tl-MainPart"><div class="Tl-Grid"></div></div></div>';

Tlns.Templates.Univers = '<span class="Tl-UniversText">{{title}}</span>'

/* Classes */

Tlns.Classes.Timeline = function(_options) {

    /* Setting Defaults */
    Tlns.Utils.SetDefaults(this, Tlns.Defaults.Timeline, _options);

    /* Setting container CSS */
    this.$ = $('#' + this.container);
    this.$.addClass('Tl-Main');
    this.$.css({
        width : this.width + "px",
        height : this.height + "px"
    });
    this.$.html(Mustache.to_html(Tlns.Templates.Timeline, this));
    
    this.main_height = this.height - this.$.find('.Tl-TopBar').outerHeight();
    this.$.find('.Tl-BottomPart').css("height", this.main_height + "px");
    this.$.find('.Tl-MainPart').css("width", this.main_width + "px");
    var _o = this.$.find('.Tl-MainPart').offset();
    this.dragging_bounds = {
        left: _o.left,
        top: _o.top,
        right: _o.left + this.$.find('.Tl-MainPart').outerWidth(),
        bottom: _o.top + this.$.find('.Tl-MainPart').outerHeight(),
    };
    
    this.setLevel(this.level);
    
    var _this = this;
    this.$.find('.Tl-TopBar-Timescales>div').click(function() {
        _this.setLevel($(this).attr("data-level"));
    });
    
    this.$.find('.Tl-TopBar-SyncButton').click(function() {
        _this.sync_now = !_this.sync_now;
        _this.drawGrid();
    })
    
    this.$.find('.Tl-TopBar-PreviousButton').click(function() {
        _this.offsetTime(-_this.timescales[_this.level].span / 4);
    });
    
    this.$.find('.Tl-TopBar-NextButton').click(function() {
        _this.offsetTime(_this.timescales[_this.level].span / 4);
    });
    
    this.$.find('.Tl-MainPart').mousedown(function(_event) {
        _this.onMouseDown(_event);
        return false;
    });
    
    this.$.find('.Tl-MainPart').mousemove(function(_event) {
        _this.onMouseMove(_event);
        return false;
    });
    
    this.$.find('.Tl-MainPart').mouseup(function(_event) {
        _this.onMouseUp(_event);
        return false;
    });
    
    this.throttledSetTime = _.throttle(function(_time) {
        _this.setTime(_time)
    }, 150);
    
    /* Loading Univers */
    $.getJSON(this.url_univers, function(_data) {
        _this.onUniversLoaded(_data);
    });
}

Tlns.Classes.Timeline.prototype.onMouseDown = function(_event) {
    this.mouse_down = true;
    this.is_dragging = false;
    this.start_pos = {
        x: _event.pageX,
        y: _event.pageY
    };
    var _target = $(_event.target);
    while (!_target.hasClass("Tl-Main") && _target.length) {
        if (_target.hasClass("Tl-MainPart")) {
            this.dragging_type = "timeline";
            this.time_at_start = this.central_time;
            break;
        }
        _target = _target.parent();
    }
}

Tlns.Classes.Timeline.prototype.onMouseUp = function(_event) {
    this.mouse_down = false;
    this.is_dragging = false;
}

Tlns.Classes.Timeline.prototype.onMouseMove = function(_event) {
    if (this.mouse_down) {
        this.is_dragging = true;
        if (_event.pageX > this.dragging_bounds.left
            && _event.pageX < this.dragging_bounds.right
            && _event.pageY > this.dragging_bounds.top
            && _event.pageY < this.dragging_bounds.bottom) {
            switch (this.dragging_type) {
                case "timeline":
                    var _newTime = Math.floor(this.time_at_start + ( this.start_pos.x - _event.pageX ) / this.current_scale);
                    this.throttledSetTime(_newTime);
                break;
            }
        } else {
            this.onMouseUp(_event);
        }
    }
}

Tlns.Classes.Timeline.prototype.onUniversLoaded = function(_data) {
    this.univers = [];
    if(_data.length) {
        this.univers_height = Math.floor(this.main_height / _data.length);
    }
    for(var _i = 0; _i < _data.length; _i++) {
        this.univers.push(new Tlns.Classes.Univers(_data[_i], this, _i));
    }
}

Tlns.Classes.Timeline.prototype.offsetTime = function(_timeOffset) {
    this.setTime(this.central_time + _timeOffset);
}

Tlns.Classes.Timeline.prototype.setTime = function(_centralTime) {
    this.sync_now = false;
    this.central_time = _centralTime;
    this.drawGrid();
}

Tlns.Classes.Timeline.prototype.setLevel = function(_level) {
    if (_level >= 0 && _level < this.timescales.length) {
        this.$.find('.Tl-TopBar-Timescales>div').each(function() {
            var _el = $(this);
            if (_el.attr("data-level") == _level) {
                _el.addClass("active");
            } else {
                _el.removeClass("active");
            }
        });
        this.level = _level;
        this.drawGrid();
    }
}

Tlns.Classes.Timeline.prototype.drawGrid = function() {
    var _now = new Date().valueOf();
    if (this.sync_now) {
        this.central_time = _now;
        this.$.find('.Tl-TopBar-SyncButton').addClass("active");
    } else {
        this.$.find('.Tl-TopBar-SyncButton').removeClass("active");
    }
    var _timescale = this.timescales[this.level],
        _offset = new Date().getTimezoneOffset() * 60000;
    this.current_scale = this.main_width / (_timescale.span);
    var _tmin = this.central_time - (_timescale.span / 2),
        _tmax = this.central_time + (_timescale.span / 2),
        _grid_width = Math.floor(_timescale.grid_interval * this.current_scale),
        _roundstart = Math.floor((_tmin - _offset) / _timescale.grid_interval) * _timescale.grid_interval + _offset,
        _html = '';
    this.$.find('.Tl-TopBar-TimeSpan').html(Tlns.Utils.dateFormat(_tmin, _timescale.start_date_format) + ' - ' + Tlns.Utils.dateFormat(_tmax, _timescale.end_date_format));
    for (var _t = _roundstart; _t < _tmax; _t += _timescale.grid_interval) {
        _html += '<div class="Tl-Grid-Column" style="width:' + _grid_width + 'px; left: ' + this.current_scale * (_t - this.central_time) + 'px">'
        + '<div class="Tl-Grid-Label">' + Tlns.Utils.dateFormat(_t, _timescale.grid_date_format) + '</div></div>';
    }
/*
 
    for (var _t = _roundstart; _t < _tmax; _t += _timescale.grid_interval) {
        var _isMajor = !(Math.floor((_t - _offset) / _timescale.grid_interval) % _timescale.major_interval);
        _html += '<div class="Tl-Grid-Column' + ( _isMajor ? ' Tl-Grid-Major' : '' ) + '" style="width:' + _grid_width + 'px; left: ' + _scale * (_t - this.central_time) + 'px">'
        + ( _isMajor ? '<div class="Tl-Grid-Label">' + Tlns.Utils.dateFormat(_t, _timescale.date_format) + '</div>' : '' ) + '</div>';
    }
*/
    if (_tmin <= _now && _tmax >= _now) {
        _html += '<div class="Tl-Grid-Now" style="left: ' + this.current_scale * (_now - this.central_time) + 'px"></div>'
    }
    this.$.find('.Tl-Grid').html(_html);
}

Tlns.Classes.Timeline.prototype.drawOccurrences = function() {
    
}

Tlns.Classes.Univers = function(_data, _timeline, _index) {
    this.id = _data.id;
    this.index = _index;
    this.title = _data.nom;
    this.mainCharacter = _data.personnage;

    this.$label = $('<li>').css({
        height : _timeline.univers_height + "px"
    }).html(Mustache.to_html(Tlns.Templates.Univers, this))
    .addClass((_index % 2) ? 'Tl-Line-Odd' : 'Tl-Line-Even');
    
    _timeline.$.find('.Tl-UniversLabels').append(this.$label);
    var _txt = _data.nom,
        _span = this.$label.find('span');

    while (_span.outerWidth() > (_timeline.width - _timeline.main_width) && _txt) {
        _txt = _txt.substr(0, _txt.length - 1);
        _span.html(_txt + '&hellip;');
    }
}