Implemented alignment by major unit in the time scale. This allows showing the first tick of a larger unit like days in a special way and is part of the basis of the time series scale.
Fix onHover event not being triggered
The core controller was looking at the wrong object (options.hover) to
find the function to be called on hover. The function is provided on the
top level options object (options.onHover).
By using the helper function, there's no need to verify if the callback
is defined, as the helper already does that.
Fixes#4296
Add Travis CI task to deploy the docs, samples and dist files to chartjs.github.io for the `release` and `master` branches. A `latest` symbolic links is also created for each folder to the highest version (or `master` if any).
`instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is inside an iframe or when running in a protected environment. We could guess the types from their toString() value but let's keep things flexible and assume it's a sufficient condition if the item has a context2D which has item as `canvas`.
Make sure to explain responsiveness limitations with CANVAS elements and how to correctly setup a responsive chart using a dedicated and relatively positioned div wrapper.
* Adds step-after functionality, true defaults to step-before
* Update stepped line sample to include all variations of steppedLine configurations
* Update documentation on steppedLine values
* Add tests for new steppedLine values 'before' and 'after'
* Fixed different calculation of scale min and max when dataset contains no values
* Removed trailing spaces
* Added test for correct min/max calculation
* Removed trailing spaces
Merge most of the horizontalBar controller into the bar one but also fix stack groups and bar positioning when scales are stacked or when a min and/or max tick values are explicitly defined. Note that this is a breaking change for derived controllers that rely on the following removed methods: `calculateBarBase`, `calculateBarX`, `calculateBarY`, `calculateBarWidth` and `calculateBarHeight`.
* respect new scale option 'order' when ordering scales
* scale service - respect new weight scale option for axes ordering
* added test for scale ordering by weight
* removed trailing spaces from layout weight scale order test
* Make parseTime private
* start on fixing time scale
* Reimplement existing functionality
* Tidy tests
* Fix labels for non-linearly sized units
Months, quarters and years have non-constant numbers of seconds. A scale that's linear WRT milliseconds produces incorrect tick labels due to the label formatting losing precision (eg year labels lose month and day so a label of 2016-12-32 displays as 2016 instead of 2017).
* Re-implement tick generation
As in v2.5
* Fixed issue, that category scale shows data points misplaced. See #4060
* Cleaned code
* Fixed Irregular whitespace
* Fixed error in case value is undefined
* Verified that no error is thrown in case value === null
