layout_attributes.js

/**
* Copyright 2012-2016, Plotly, Inc.
* All rights reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/

'use strict';

var Cartesian = require('./index');
var fontAttrs = require('../font_attributes');
var colorAttrs = require('../../components/color/attributes');
var extendFlat = require('../../lib/extend').extendFlat;
var rangeSliderAttrs = require('../../components/rangeslider/attributes');
var rangeSelectorAttrs = require('../../components/rangeselector/attributes');


module.exports = {
    color: {
        valType: 'color',
        dflt: colorAttrs.defaultLine,
        role: 'style',
        description: [
            'Sets default for all colors associated with this axis',
            'all at once: line, font, tick, and grid colors.',
            'Grid color is lightened by blending this with the plot background',
            'Individual pieces can override this.'
        ].join(' ')
    },
    title: {
        valType: 'string',
        role: 'info',
        description: 'Sets the title of this axis.'
    },
    titlefont: extendFlat({}, fontAttrs, {
        description: [
            'Sets this axis\' title font.'
        ].join(' ')
    }),
    type: {
        valType: 'enumerated',
        // '-' means we haven't yet run autotype or couldn't find any data
        // it gets turned into linear in td._fullLayout but not copied back
        // to td.data like the others are.
        values: ['-', 'linear', 'log', 'date', 'category'],
        dflt: '-',
        role: 'info',
        description: [
            'Sets the axis type.',
            'By default, plotly attempts to determined the axis type',
            'by looking into the data of the traces that referenced',
            'the axis in question.'
        ].join(' ')
    },
    autorange: {
        valType: 'enumerated',
        values: [true, false, 'reversed'],
        dflt: true,
        role: 'style',
        description: [
            'Determines whether or not the range of this axis is',
            'computed in relation to the input data.',
            'See `rangemode` for more info.',
            'If `range` is provided, then `autorange` is set to *false*.'
        ].join(' ')
    },
    rangemode: {
        valType: 'enumerated',
        values: ['normal', 'tozero', 'nonnegative'],
        dflt: 'normal',
        role: 'style',
        description: [
            'If *normal*, the range is computed in relation to the extrema',
            'of the input data.',
            'If *tozero*`, the range extends to 0,',
            'regardless of the input data',
            'If *nonnegative*, the range is non-negative,',
            'regardless of the input data.'
        ].join(' ')
    },
    range: {
        valType: 'info_array',
        role: 'info',
        items: [
            {valType: 'number'},
            {valType: 'number'}
        ],
        description: [
            'Sets the range of this axis.',
            'If the axis `type` is *log*, then you must take the log of your desired range',
            '(e.g. to set the range from 1 to 100, set the range from 0 to 2).',
            'If the axis `type` is *date*, then you must convert the date to unix time in milliseconds',
            '(the number of milliseconds since January 1st, 1970). For example, to set the date range from',
            'January 1st 1970 to November 4th, 2013, set the range from 0 to 1380844800000.0'
        ].join(' ')
    },

    rangeslider: rangeSliderAttrs,
    rangeselector: rangeSelectorAttrs,

    fixedrange: {
        valType: 'boolean',
        dflt: false,
        role: 'info',
        description: [
            'Determines whether or not this axis is zoom-able.',
            'If true, then zoom is disabled.'
        ].join(' ')
    },
    // ticks
    tickmode: {
        valType: 'enumerated',
        values: ['auto', 'linear', 'array'],
        role: 'info',
        description: [
            'Sets the tick mode for this axis.',
            'If *auto*, the number of ticks is set via `nticks`.',
            'If *linear*, the placement of the ticks is determined by',
            'a starting position `tick0` and a tick step `dtick`',
            '(*linear* is the default value if `tick0` and `dtick` are provided).',
            'If *array*, the placement of the ticks is set via `tickvals`',
            'and the tick text is `ticktext`.',
            '(*array* is the default value if `tickvals` is provided).'
        ].join(' ')
    },
    nticks: {
        valType: 'integer',
        min: 0,
        dflt: 0,
        role: 'style',
        description: [
            'Sets the number of ticks.',
            'Has an effect only if `tickmode` is set to *auto*.'
        ].join(' ')
    },
    tick0: {
        valType: 'number',
        dflt: 0,
        role: 'style',
        description: [
            'Sets the placement of the first tick on this axis.',
            'Use with `dtick`.',
            'If the axis `type` is *log*, then you must take the log of your starting tick',
            '(e.g. to set the starting tick to 100, set the `tick0` to 2).',
            'If the axis `type` is *date*, then you must convert the date to unix time in milliseconds',
            '(the number of milliseconds since January 1st, 1970).',
            'For example, to set the starting tick to',
            'November 4th, 2013, set the range to 1380844800000.0.'
        ].join(' ')
    },
    dtick: {
        valType: 'any',
        dflt: 1,
        role: 'style',
        description: [
            'Sets the step in-between ticks on this axis',
            'Use with `tick0`.',
            'If the axis `type` is *log*, then ticks are set every 10^(n*dtick) where n',
            'is the tick number. For example,',
            'to set a tick mark at 1, 10, 100, 1000, ... set dtick to 1.',
            'To set tick marks at 1, 100, 10000, ... set dtick to 2.',
            'To set tick marks at 1, 5, 25, 125, 625, 3125, ... set dtick to log_10(5), or 0.69897000433.',
            'If the axis `type` is *date*, then you must convert the time to milliseconds.',
            'For example, to set the interval between ticks to one day,',
            'set `dtick` to 86400000.0.'
        ].join(' ')
    },
    tickvals: {
        valType: 'data_array',
        description: [
            'Sets the values at which ticks on this axis appear.',
            'Only has an effect if `tickmode` is set to *array*.',
            'Used with `ticktext`.'
        ].join(' ')
    },
    ticktext: {
        valType: 'data_array',
        description: [
            'Sets the text displayed at the ticks position via `tickvals`.',
            'Only has an effect if `tickmode` is set to *array*.',
            'Used with `ticktext`.'
        ].join(' ')
    },
    ticks: {
        valType: 'enumerated',
        values: ['outside', 'inside', ''],
        role: 'style',
        description: [
            'Determines whether ticks are drawn or not.',
            'If **, this axis\' ticks are not drawn.',
            'If *outside* (*inside*), this axis\' are drawn outside (inside)',
            'the axis lines.'
        ].join(' ')
    },
    mirror: {
        valType: 'enumerated',
        values: [true, 'ticks', false, 'all', 'allticks'],
        dflt: false,
        role: 'style',
        description: [
            'Determines if the axis lines or/and ticks are mirrored to',
            'the opposite side of the plotting area.',
            'If *true*, the axis lines are mirrored.',
            'If *ticks*, the axis lines and ticks are mirrored.',
            'If *false*, mirroring is disable.',
            'If *all*, axis lines are mirrored on all shared-axes subplots.',
            'If *allticks*, axis lines and ticks are mirrored',
            'on all shared-axes subplots.'
        ].join(' ')
    },
    ticklen: {
        valType: 'number',
        min: 0,
        dflt: 5,
        role: 'style',
        description: 'Sets the tick length (in px).'
    },
    tickwidth: {
        valType: 'number',
        min: 0,
        dflt: 1,
        role: 'style',
        description: 'Sets the tick width (in px).'
    },
    tickcolor: {
        valType: 'color',
        dflt: colorAttrs.defaultLine,
        role: 'style',
        description: 'Sets the tick color.'
    },
    showticklabels: {
        valType: 'boolean',
        dflt: true,
        role: 'style',
        description: 'Determines whether or not the tick labels are drawn.'
    },
    tickfont: extendFlat({}, fontAttrs, {
        description: 'Sets the tick font.'
    }),
    tickangle: {
        valType: 'angle',
        dflt: 'auto',
        role: 'style',
        description: [
            'Sets the angle of the tick labels with respect to the horizontal.',
            'For example, a `tickangle` of -90 draws the tick labels',
            'vertically.'
        ].join(' ')
    },
    tickprefix: {
        valType: 'string',
        dflt: '',
        role: 'style',
        description: 'Sets a tick label prefix.'
    },
    showtickprefix: {
        valType: 'enumerated',
        values: ['all', 'first', 'last', 'none'],
        dflt: 'all',
        role: 'style',
        description: [
            'If *all*, all tick labels are displayed with a prefix.',
            'If *first*, only the first tick is displayed with a prefix.',
            'If *last*, only the last tick is displayed with a suffix.',
            'If *none*, tick prefixes are hidden.'
        ].join(' ')
    },
    ticksuffix: {
        valType: 'string',
        dflt: '',
        role: 'style',
        description: 'Sets a tick label suffix.'
    },
    showticksuffix: {
        valType: 'enumerated',
        values: ['all', 'first', 'last', 'none'],
        dflt: 'all',
        role: 'style',
        description: 'Same as `showtickprefix` but for tick suffixes.'
    },
    showexponent: {
        valType: 'enumerated',
        values: ['all', 'first', 'last', 'none'],
        dflt: 'all',
        role: 'style',
        description: [
            'If *all*, all exponents are shown besides their significands.',
            'If *first*, only the exponent of the first tick is shown.',
            'If *last*, only the exponent of the last tick is shown.',
            'If *none*, no exponents appear.'
        ].join(' ')
    },
    exponentformat: {
        valType: 'enumerated',
        values: ['none', 'e', 'E', 'power', 'SI', 'B'],
        dflt: 'B',
        role: 'style',
        description: [
            'Determines a formatting rule for the tick exponents.',
            'For example, consider the number 1,000,000,000.',
            'If *none*, it appears as 1,000,000,000.',
            'If *e*, 1e+9.',
            'If *E*, 1E+9.',
            'If *power*, 1x10^9 (with 9 in a super script).',
            'If *SI*, 1G.',
            'If *B*, 1B.'
        ].join(' ')
    },
    tickformat: {
        valType: 'string',
        dflt: '',
        role: 'style',
        description: [
            'Sets the tick label formatting rule using the',
            'python/d3 number formatting language.',
            'See https://github.com/mbostock/d3/wiki/Formatting#numbers',
            'or https://docs.python.org/release/3.1.3/library/string.html#formatspec',
            'for more info.'
        ].join(' ')
    },
    hoverformat: {
        valType: 'string',
        dflt: '',
        role: 'style',
        description: [
            'Sets the hover text formatting rule for data values on this axis,',
            'using the python/d3 number formatting language.',
            'See https://github.com/mbostock/d3/wiki/Formatting#numbers',
            'or https://docs.python.org/release/3.1.3/library/string.html#formatspec',
            'for more info.'
        ].join(' ')
    },
    // lines and grids
    showline: {
        valType: 'boolean',
        dflt: false,
        role: 'style',
        description: [
            'Determines whether or not a line bounding this axis is drawn.'
        ].join(' ')
    },
    linecolor: {
        valType: 'color',
        dflt: colorAttrs.defaultLine,
        role: 'style',
        description: 'Sets the axis line color.'
    },
    linewidth: {
        valType: 'number',
        min: 0,
        dflt: 1,
        role: 'style',
        description: 'Sets the width (in px) of the axis line.'
    },
    showgrid: {
        valType: 'boolean',
        role: 'style',
        description: [
            'Determines whether or not grid lines are drawn.',
            'If *true*, the grid lines are drawn at every tick mark.'
        ].join(' ')
    },
    gridcolor: {
        valType: 'color',
        dflt: colorAttrs.lightLine,
        role: 'style',
        description: 'Sets the color of the grid lines.'
    },
    gridwidth: {
        valType: 'number',
        min: 0,
        dflt: 1,
        role: 'style',
        description: 'Sets the width (in px) of the grid lines.'
    },
    zeroline: {
        valType: 'boolean',
        role: 'style',
        description: [
            'Determines whether or not a line is drawn at along the 0 value',
            'of this axis.',
            'If *true*, the zero line is drawn on top of the grid lines.'
        ].join(' ')
    },
    zerolinecolor: {
        valType: 'color',
        dflt: colorAttrs.defaultLine,
        role: 'style',
        description: 'Sets the line color of the zero line.'
    },
    zerolinewidth: {
        valType: 'number',
        dflt: 1,
        role: 'style',
        description: 'Sets the width (in px) of the zero line.'
    },
    // positioning attributes
    // anchor: not used directly, just put here for reference
    // values are any opposite-letter axis id
    anchor: {
        valType: 'enumerated',
        values: [
            'free',
            Cartesian.idRegex.x.toString(),
            Cartesian.idRegex.y.toString()
        ],
        role: 'info',
        description: [
            'If set to an opposite-letter axis id (e.g. `xaxis2`, `yaxis`), this axis is bound to',
            'the corresponding opposite-letter axis.',
            'If set to *free*, this axis\' position is determined by `position`.'
        ].join(' ')
    },
    // side: not used directly, as values depend on direction
    // values are top, bottom for x axes, and left, right for y
    side: {
        valType: 'enumerated',
        values: ['top', 'bottom', 'left', 'right'],
        role: 'info',
        description: [
            'Determines whether a x (y) axis is positioned',
            'at the *bottom* (*left*) or *top* (*right*)',
            'of the plotting area.'
        ].join(' ')
    },
    // overlaying: not used directly, just put here for reference
    // values are false and any other same-letter axis id that's not
    // itself overlaying anything
    overlaying: {
        valType: 'enumerated',
        values: [
            'free',
            Cartesian.idRegex.x.toString(),
            Cartesian.idRegex.y.toString()
        ],
        role: 'info',
        description: [
            'If set a same-letter axis id, this axis is overlaid on top of',
            'the corresponding same-letter axis.',
            'If *false*, this axis does not overlay any same-letter axes.'
        ].join(' ')
    },
    domain: {
        valType: 'info_array',
        role: 'info',
        items: [
            {valType: 'number', min: 0, max: 1},
            {valType: 'number', min: 0, max: 1}
        ],
        dflt: [0, 1],
        description: [
            'Sets the domain of this axis (in plot fraction).'
        ].join(' ')
    },
    position: {
        valType: 'number',
        min: 0,
        max: 1,
        dflt: 0,
        role: 'style',
        description: [
            'Sets the position of this axis in the plotting space',
            '(in normalized coordinates).',
            'Only has an effect if `anchor` is set to *free*.'
        ].join(' ')
    },
    categoryorder: {
        valType: 'enumerated',
        values: [
            'trace', 'category ascending', 'category descending', 'array'
            /*, 'value ascending', 'value descending'*/ // value ascending / descending to be implemented later
        ],
        dflt: 'trace',
        role: 'info',
        description: [
            'Specifies the ordering logic for the case of categorical variables.',
            'By default, plotly uses *trace*, which specifies the order that is present in the data supplied.',
            'Set `categoryorder` to *category ascending* or *category descending* if order should be determined by',
            'the alphanumerical order of the category names.',
            /*'Set `categoryorder` to *value ascending* or *value descending* if order should be determined by the',
            'numerical order of the values.',*/ // // value ascending / descending to be implemented later
            'Set `categoryorder` to *array* to derive the ordering from the attribute `categoryarray`. If a category',
            'is not found in the `categoryarray` array, the sorting behavior for that attribute will be identical to',
            'the *trace* mode. The unspecified categories will follow the categories in `categoryarray`.'
        ].join(' ')
    },
    categoryarray: {
        valType: 'data_array',
        role: 'info',
        description: [
            'Sets the order in which categories on this axis appear.',
            'Only has an effect if `categoryorder` is set to *array*.',
            'Used with `categoryorder`.'
        ].join(' ')
    },


    _deprecated: {
        autotick: {
            valType: 'boolean',
            role: 'info',
            description: [
                'Obsolete.',
                'Set `tickmode` to *auto* for old `autotick` *true* behavior.',
                'Set `tickmode` to *linear* for `autotick` *false*.'
            ].join(' ')
        }
    }
};