first cut ternary layout attributes

Author: alexcjohnson

src/plots/ternary/layout/attributes.js

@@ -0,0 +1,24 @@
+/**
+* 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';
+
+
+module.exports = {
+    subplot: {
+        valType: 'subplotid',
+        role: 'info',
+        dflt: 'ternary',
+        description: [
+            'Sets a reference between this trace\'s data coordinates and',
+            'a ternary subplot.',
+            'If *ternary* (the default value), the data refer to `layout.ternary`.',
+            'If *ternary2*, the data refer to `layout.ternary2`, and so on.'
+        ].join(' ')
+    }
+};

src/plots/ternary/layout/axis_attributes.js

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+/**
+* 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 axesAttrs = require('../../cartesian/layout_attributes');
+var colorAttrs = require('../../components/color/attributes');
+var extendFlat = require('../../../lib/extend').extendFlat;
+
+
+module.exports = {
+    title: axesAttrs.title,
+    titlefont: axesAttrs.titlefont,
+    color: {  // TODO: support this for all other kinds of axes as well
+        valType: 'color',
+        dflt: colorAttrs.defaultLine,
+        role: 'style',
+        description: [
+            'Sets line, font, tick, and grid color for this axis',
+            'all at once. Individual pieces can override this.'
+        ].join(' ')
+    },
+    // ticks
+    nticks: axesAttrs.nticks,
+    ticks: axesAttrs.ticks,
+    ticklen: axesAttrs.ticklen,
+    tickwidth: axesAttrs.tickwidth,
+    tickcolor: axesAttrs.tickcolor,
+    showticklabels: axesAttrs.showticklabels,
+    tickfont: axesAttrs.tickfont,
+    tickangle: axesAttrs.tickangle,
+    // lines and grids
+    showline: extendFlat({}, axesAttrs.showline, {dflt: true}),
+    linecolor: axesAttrs.linecolor,
+    linewidth: axesAttrs.linewidth,
+    showgrid: axesAttrs.showgrid,
+    gridcolor: axesAttrs.gridcolor,
+    gridwidth: axesAttrs.gridwidth,
+    // range
+    min: {
+        valType: 'number',
+        dflt: 0,
+        role: 'info',
+        min: 0,
+        description: [
+            'The minimum value visible on this axis.',
+            'The maximum is determined by the sum minus the minimum',
+            'values of the other two axes. The full view corresponds to',
+            'all the minima set to zero.'
+        ].join(' ')
+    }
+};

src/plots/ternary/layout/layout_attributes.js

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+/**
+* 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 colorAttrs = require('../../../components/color/attributes');
+var ternaryAxesAttrs = require('./axis_attributes');
+
+
+module.exports = {
+    domain: {
+        x: {
+            valType: 'info_array',
+            role: 'info',
+            items: [
+                {valType: 'number', min: 0, max: 1},
+                {valType: 'number', min: 0, max: 1}
+            ],
+            dflt: [0, 1],
+            description: [
+                'Sets the horizontal domain of this subplot',
+                '(in plot fraction).'
+            ].join(' ')
+        },
+        y: {
+            valType: 'info_array',
+            role: 'info',
+            items: [
+                {valType: 'number', min: 0, max: 1},
+                {valType: 'number', min: 0, max: 1}
+            ],
+            dflt: [0, 1],
+            description: [
+                'Sets the vertical domain of this subplot',
+                '(in plot fraction).'
+            ].join(' ')
+        }
+    },
+    bgcolor: {
+        valType: 'color',
+        role: 'style',
+        dflt: colorAttrs.background,
+        description: 'Set the background color of the subplot'
+    },
+    sum: {
+        valType: 'number',
+        role: 'info',
+        dflt: 1,
+        min: 0,
+        description: [
+            'The number each triplet should sum to,',
+            'and the maximum range of each axis'
+        ].join(' ')
+    },
+    aaxis: ternaryAxesAttrs,
+    baxis: ternaryAxesAttrs,
+    caxis: ternaryAxesAttrs
+};