"use strict";
var extend = function (child, parent) { for (var key in parent) {
    if (hasProp.call(parent, key))
        child[key] = parent[key];
} function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; }, hasProp = {}.hasOwnProperty;
var _ = require("underscore");
var guide_renderer_1 = require("../renderers/guide_renderer");
var renderer_1 = require("../renderers/renderer");
var p = require("../../core/properties");
exports.GridView = (function (superClass) {
    extend(GridView, superClass);
    function GridView() {
        return GridView.__super__.constructor.apply(this, arguments);
    }
    GridView.prototype.initialize = function (attrs, options) {
        GridView.__super__.initialize.call(this, attrs, options);
        this._x_range_name = this.model.x_range_name;
        return this._y_range_name = this.model.y_range_name;
    };
    GridView.prototype.render = function () {
        var ctx;
        if (this.model.visible === false) {
            return;
        }
        ctx = this.plot_view.canvas_view.ctx;
        ctx.save();
        this._draw_regions(ctx);
        this._draw_minor_grids(ctx);
        this._draw_grids(ctx);
        return ctx.restore();
    };
    GridView.prototype.bind_bokeh_events = function () {
        return this.listenTo(this.model, 'change', this.request_render);
    };
    GridView.prototype._draw_regions = function (ctx) {
        var i, k, ref, ref1, ref2, ref3, sx0, sx1, sy0, sy1, xs, ys;
        if (!this.visuals.band_fill.doit) {
            return;
        }
        ref = this.model.grid_coords('major', false), xs = ref[0], ys = ref[1];
        this.visuals.band_fill.set_value(ctx);
        for (i = k = 0, ref1 = xs.length - 1; 0 <= ref1 ? k < ref1 : k > ref1; i = 0 <= ref1 ? ++k : --k) {
            if (i % 2 === 1) {
                ref2 = this.plot_view.map_to_screen(xs[i], ys[i], this._x_range_name, this._y_range_name), sx0 = ref2[0], sy0 = ref2[1];
                ref3 = this.plot_view.map_to_screen(xs[i + 1], ys[i + 1], this._x_range_name, this._y_range_name), sx1 = ref3[0], sy1 = ref3[1];
                ctx.fillRect(sx0[0], sy0[0], sx1[1] - sx0[0], sy1[1] - sy0[0]);
                ctx.fill();
            }
        }
    };
    GridView.prototype._draw_grids = function (ctx) {
        var ref, xs, ys;
        if (!this.visuals.grid_line.doit) {
            return;
        }
        ref = this.model.grid_coords('major'), xs = ref[0], ys = ref[1];
        return this._draw_grid_helper(ctx, this.visuals.grid_line, xs, ys);
    };
    GridView.prototype._draw_minor_grids = function (ctx) {
        var ref, xs, ys;
        if (!this.visuals.minor_grid_line.doit) {
            return;
        }
        ref = this.model.grid_coords('minor'), xs = ref[0], ys = ref[1];
        return this._draw_grid_helper(ctx, this.visuals.minor_grid_line, xs, ys);
    };
    GridView.prototype._draw_grid_helper = function (ctx, props, xs, ys) {
        var i, k, l, ref, ref1, ref2, sx, sy;
        props.set_value(ctx);
        for (i = k = 0, ref = xs.length; 0 <= ref ? k < ref : k > ref; i = 0 <= ref ? ++k : --k) {
            ref1 = this.plot_view.map_to_screen(xs[i], ys[i], this._x_range_name, this._y_range_name), sx = ref1[0], sy = ref1[1];
            ctx.beginPath();
            ctx.moveTo(Math.round(sx[0]), Math.round(sy[0]));
            for (i = l = 1, ref2 = sx.length; 1 <= ref2 ? l < ref2 : l > ref2; i = 1 <= ref2 ? ++l : --l) {
                ctx.lineTo(Math.round(sx[i]), Math.round(sy[i]));
            }
            ctx.stroke();
        }
    };
    return GridView;
})(renderer_1.RendererView);
exports.Grid = (function (superClass) {
    extend(Grid, superClass);
    function Grid() {
        return Grid.__super__.constructor.apply(this, arguments);
    }
    Grid.prototype.default_view = exports.GridView;
    Grid.prototype.type = 'Grid';
    Grid.mixins(['line:grid_', 'line:minor_grid_', 'fill:band_']);
    Grid.define({
        bounds: [p.Any, 'auto'],
        dimension: [p.Number, 0],
        ticker: [p.Instance],
        x_range_name: [p.String, 'default'],
        y_range_name: [p.String, 'default']
    });
    Grid.override({
        level: "underlay",
        band_fill_color: null,
        band_fill_alpha: 0,
        grid_line_color: '#e5e5e5',
        minor_grid_line_color: null
    });
    Grid.prototype.ranges = function () {
        var frame, i, j, ranges;
        i = this.dimension;
        j = (i + 1) % 2;
        frame = this.plot.plot_canvas.frame;
        ranges = [frame.x_ranges[this.x_range_name], frame.y_ranges[this.y_range_name]];
        return [ranges[i], ranges[j]];
    };
    Grid.prototype.computed_bounds = function () {
        var cross_range, end, range, range_bounds, ref, start, user_bounds;
        ref = this.ranges(), range = ref[0], cross_range = ref[1];
        user_bounds = this.bounds;
        range_bounds = [range.min, range.max];
        if (_.isArray(user_bounds)) {
            start = Math.min(user_bounds[0], user_bounds[1]);
            end = Math.max(user_bounds[0], user_bounds[1]);
            if (start < range_bounds[0]) {
                start = range_bounds[0];
            }
            else if (start > range_bounds[1]) {
                start = null;
            }
            if (end > range_bounds[1]) {
                end = range_bounds[1];
            }
            else if (end < range_bounds[0]) {
                end = null;
            }
        }
        else {
            start = range_bounds[0], end = range_bounds[1];
        }
        return [start, end];
    };
    Grid.prototype.grid_coords = function (location, exclude_ends) {
        var N, cmax, cmin, coords, cross_range, dim_i, dim_j, end, i, ii, j, k, l, loc, max, min, n, range, ref, ref1, ref2, ref3, start, ticks, tmp;
        if (exclude_ends == null) {
            exclude_ends = true;
        }
        i = this.dimension;
        j = (i + 1) % 2;
        ref = this.ranges(), range = ref[0], cross_range = ref[1];
        ref1 = this.computed_bounds(), start = ref1[0], end = ref1[1];
        tmp = Math.min(start, end);
        end = Math.max(start, end);
        start = tmp;
        ticks = this.ticker.get_ticks(start, end, range, {})[location];
        min = range.min;
        max = range.max;
        cmin = cross_range.min;
        cmax = cross_range.max;
        coords = [[], []];
        for (ii = k = 0, ref2 = ticks.length; 0 <= ref2 ? k < ref2 : k > ref2; ii = 0 <= ref2 ? ++k : --k) {
            if ((ticks[ii] === min || ticks[ii] === max) && exclude_ends) {
                continue;
            }
            dim_i = [];
            dim_j = [];
            N = 2;
            for (n = l = 0, ref3 = N; 0 <= ref3 ? l < ref3 : l > ref3; n = 0 <= ref3 ? ++l : --l) {
                loc = cmin + (cmax - cmin) / (N - 1) * n;
                dim_i.push(ticks[ii]);
                dim_j.push(loc);
            }
            coords[i].push(dim_i);
            coords[j].push(dim_j);
        }
        return coords;
    };
    return Grid;
})(guide_renderer_1.GuideRenderer);
