mantao/Plots.jl
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Clean up backend-related global vars and related functions

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This commit is contained in:
Oliver Schulz 2018-11-02 00:14:52 +01:00
parent 420228c67b
commit 43245b5eb5
1 changed files with 6 additions and 16 deletions
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22
src/backends.jl
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@ -7,16 +7,16 @@ const _backendSymbol = Dict{DataType, Symbol}(NoBackend => :none)
const _backends = Symbol[]
const _initialized_backends = Set{Symbol}()
const _default_backends = (:none, :gr, :plotly)
const _backendPackage = Dict{Symbol, Symbol}()
const _backend_packages = Dict{Symbol, Symbol}()
"Returns a list of supported backends"
backends() = _backends
"Returns the name of the current backend"
backend_name() = CURRENT_BACKEND.sym
_backend_instance(sym::Symbol) = haskey(_backendType, sym) ? _backendType[sym]() : error("Unsupported backend $sym")
backend_package(pkg::Symbol) = pkg in _default_backends ? :Plots : Symbol("Plots", _backendPackage[pkg])
backend_package_name(sym::Symbol) = sym in _default_backends ? :Plots : _backendPackage[sym]
_backend_instance(sym::Symbol)::AbstractBackend = haskey(_backendType, sym) ? _backendType[sym]() : error("Unsupported backend $sym")
backend_package_name(sym::Symbol) = _backend_packages[sym]
macro init_backend(s)
package_str = string(s)
@ -32,7 +32,7 @@ macro init_backend(s)
push!(_backends, Symbol($str))
_backendType[Symbol($str)] = $T
_backendSymbol[$T] = Symbol($str)
_backendPackage[Symbol($str)] = Symbol($package_str)
_backend_packages[Symbol($str)] = Symbol($package_str)
# include("backends/" * $str * ".jl")
end)
end
@ -148,15 +148,6 @@ function pickDefaultBackend()
end
end
# the ordering/inclusion of this package list is my semi-arbitrary guess at
# which one someone will want to use if they have the package installed...accounting for
# features, speed, and robustness
# for pkgstr in ("GR", "PyPlot", "PlotlyJS", "PGFPlots", "UnicodePlots", "InspectDR")
# if pkgstr in keys(Pkg.installed())
# return backend(Symbol(lowercase(pkgstr)))
# end
# end
# the default if nothing else is installed
backend(:gr)
end
@ -196,8 +187,8 @@ function backend(sym::Symbol)
backend(_backend_instance(sym))
else
@warn("`:$sym` is not a supported backend.")
backend()
end
backend()
end
const _deprecated_backends = [:qwt, :winston, :bokeh, :gadfly, :immerse, :glvisualize]
@ -468,7 +459,6 @@ const _pgfplots_scale = [:identity, :ln, :log2, :log10]
# plotlyjs
function _initialize_backend(pkg::PlotlyJSBackend)
sym = backend_package_name(pkg)
@eval Main begin
import PlotlyJS, ORCA
export PlotlyJS