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oxyplot/Source/Examples/ExampleLibrary/ExampleInfo.cs at develop · oxyplot/oxyplot · GitHub
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Examples
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ExampleLibrary
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ExampleInfo.cs
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Examples
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ExampleLibrary
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ExampleInfo.cs
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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="ExampleInfo.cs" company="OxyPlot">
// Copyright (c) 2014 OxyPlot contributors
// </copyright>
// --------------------------------------------------------------------------------------------------------------------
namespace
ExampleLibrary
{
using
System
;
using
System
.
Collections
.
Generic
;
using
System
.
Reflection
;
using
ExampleLibrary
.
Utilities
;
using
OxyPlot
;
/// <summary>
/// Provides information about an example.
/// </summary>
public
class
ExampleInfo
{
/// <summary>
/// The method to invoke.
/// </summary>
private
readonly
MethodInfo
method
;
/// <summary>
/// Indicates whether this instance was already initialized.
/// </summary>
private
bool
initialized
;
/// <summary>
/// The un-modified example.
/// </summary>
private
Example
Example
;
/// <summary>
/// The examples for this example info.
/// </summary>
private
Dictionary
<
ExampleFlags
,
Example
>
examples
;
/// <summary>
/// The options supported by this example.
/// </summary>
private
ExampleFlags
exampleSupport
;
/// <summary>
/// Initializes a new instance of the <see cref="ExampleInfo"/> class.
/// </summary>
/// <param name="category">The category.</param>
/// <param name="title">The title.</param>
/// <param name="tags">The tags.</param>
/// <param name="method">The method.</param>
/// <param name="excludeFromAutomatedTests">A value indiciating whether the example should be excluded from automated tests.</param>
public
ExampleInfo
(
string
category
,
string
title
,
string
[
]
tags
,
MethodInfo
method
,
bool
excludeFromAutomatedTests
)
{
this
.
Category
=
category
;
this
.
Title
=
title
;
this
.
Tags
=
tags
;
this
.
method
=
method
;
this
.
ExcludeFromAutomatedTests
=
excludeFromAutomatedTests
;
}
/// <summary>
/// Gets the category.
/// </summary>
/// <value>
/// The category.
/// </value>
public
string
Category
{
get
;
}
/// <summary>
/// Gets the code.
/// </summary>
/// <value>
/// The code.
/// </value>
public
string
Code
=>
this
.
PlotModel
?
.
ToCode
(
)
;
/// <summary>
/// Gets a value indicating whether the plot model is reversible.
/// </summary>
public
bool
IsReversible
{
get
{
this
.
EnsureInitialized
(
)
;
return
exampleSupport
.
HasFlag
(
ExampleFlags
.
Reverse
)
;
}
}
/// <summary>
/// Gets a value indicating whether the plot model is transposable.
/// </summary>
public
bool
IsTransposable
{
get
{
this
.
EnsureInitialized
(
)
;
return
exampleSupport
.
HasFlag
(
ExampleFlags
.
Transpose
)
;
}
}
/// <summary>
/// Gets the code for the example with the given flags.
/// </summary>
/// <param name="flags">The flags for the example.</param>
/// <returns>Code that produces the example.</returns>
/// <remarks>Ignores unsupported flags.</remarks>
public
string
GetCode
(
ExampleFlags
flags
)
{
return
this
.
GetModel
(
flags
)
?
.
ToCode
(
)
;
}
/// <summary>
/// Gets the <see cref="PlotModel"/> for the example with the given flags.
/// </summary>
/// <param name="flags">The flags for the example.</param>
/// <returns>The <see cref="PlotModel"/>.</returns>
/// <remarks>Ignores unsupported flags.</remarks>
public
PlotModel
GetModel
(
ExampleFlags
flags
)
{
return
this
.
GetExample
(
flags
)
.
Model
;
}
/// <summary>
/// Gets the <see cref="IPlotController"/> for the example with the given flags.
/// </summary>
/// <param name="flags">The flags for the example.</param>
/// <returns>The <see cref="IPlotController"/>.</returns>
/// <remarks>Ignores unsupported flags.</remarks>
public
IPlotController
GetController
(
ExampleFlags
flags
)
{
return
this
.
GetExample
(
flags
)
.
Controller
;
}
/// <summary>
/// Gets the <see cref="Example"/> with the given flags.
/// </summary>
/// <param name="flags">The flags for the example.</param>
/// <returns>The <see cref="Example"/>.</returns>
/// <remarks>Ignores unsupported flags.</remarks>
private
Example
GetExample
(
ExampleFlags
flags
)
{
this
.
EnsureInitialized
(
)
;
// ignore flags we don't support
flags
=
FilterFlags
(
flags
)
;
if
(
!
examples
.
TryGetValue
(
flags
,
out
var
example
)
)
{
example
=
GetDefaultExample
(
)
;
if
(
flags
.
HasFlag
(
ExampleFlags
.
Transpose
)
)
{
example
.
Model
.
Transpose
(
)
;
}
if
(
flags
.
HasFlag
(
ExampleFlags
.
Reverse
)
)
{
example
.
Model
.
ReverseAllAxes
(
)
;
}
examples
[
flags
]
=
example
;
}
return
example
;
}
/// <summary>
/// Gets the plot controller for the default example.
/// </summary>
/// <value>
/// The plot controller.
/// </value>
public
IPlotController
PlotController
{
get
{
this
.
EnsureInitialized
(
)
;
return
this
.
Example
.
Controller
;
}
}
/// <summary>
/// Gets the plot model for the default example.
/// </summary>
/// <value>
/// The plot model.
/// </value>
public
PlotModel
PlotModel
{
get
{
this
.
EnsureInitialized
(
)
;
return
this
.
Example
.
Model
;
}
}
/// <summary>
/// Gets the tags.
/// </summary>
/// <value>
/// The tags.
/// </value>
public
string
[
]
Tags
{
get
;
}
/// <summary>
/// Gets a value indiciating whether this example should be excluded from automated tests.
/// </summary>
/// <value>
/// <c>true</c> if the example should be excluded from automated tests, otherwise <c>false</c>.
/// </value>
public
bool
ExcludeFromAutomatedTests
{
get
;
}
/// <summary>
/// Gets the title.
/// </summary>
/// <value>
/// The title.
/// </value>
public
string
Title
{
get
;
}
/// <summary>
/// Returns a <see cref="System.String" /> that represents this instance.
/// </summary>
/// <returns>
/// A <see cref="System.String" /> that represents this instance.
/// </returns>
public
override
string
ToString
(
)
{
return
this
.
Title
;
}
/// <summary>
/// Prepares <see cref="ExampleFlags"/> from the given parameters.
/// </summary>
/// <param name="transpose">Whether to set the <see cref="ExampleFlags.Transpose"/> flag.</param>
/// <param name="reverse">Whether to set the <see cref="ExampleFlags.Reverse"/> flag.</param>
/// <returns>The <see cref="ExampleFlags"/>.</returns>
public
static
ExampleFlags
PrepareFlags
(
bool
transpose
,
bool
reverse
)
{
var
flags
=
(
ExampleFlags
)
0
;
if
(
transpose
)
{
flags
|=
ExampleFlags
.
Transpose
;
}
if
(
reverse
)
{
flags
|=
ExampleFlags
.
Reverse
;
}
return
flags
;
}
/// <summary>
/// Initializes this instance if it is not already initialized.
/// </summary>
private
void
EnsureInitialized
(
)
{
if
(
this
.
initialized
)
{
return
;
}
this
.
initialized
=
true
;
this
.
examples
=
new
Dictionary
<
ExampleFlags
,
Example
>
(
)
;
this
.
Example
=
GetDefaultExample
(
)
;
this
.
exampleSupport
=
PrepareFlags
(
this
.
Example
.
Model
?
.
IsTransposable
(
)
==
true
,
this
.
Example
.
Model
?
.
IsReversible
(
)
==
true
)
;
// remember the 'default' model: loads the transposed/reversed ones as we need them
this
.
examples
.
Add
(
PrepareFlags
(
false
,
false
)
,
this
.
Example
)
;
}
/// <summary>
/// Gets a new instance of the default example.
/// </summary>
/// <returns>An <see cref="Example"/>.</returns>
private
Example
GetDefaultExample
(
)
{
var
result
=
this
.
method
.
Invoke
(
null
,
null
)
;
if
(
result
is
null
)
{
return
new
Example
(
null
,
null
)
;
}
if
(
result
is
PlotModel
plotModel
)
{
return
new
Example
(
plotModel
,
null
)
;
}
else
if
(
result
is
Example
example
)
{
return
example
;
}
throw
new
Exception
(
$
"Unsupport type returned by example method for example
{
Category
}
>
{
Title
}
:
{
result
.
GetType
(
)
.
FullName
}
."
)
;
}
/// <summary>
/// Filters unsupported flags from the given flags.
/// </summary>
/// <param name="flags">The original set of flags.</param>
/// <returns>The filtered flags.</returns>
private
ExampleFlags
FilterFlags
(
ExampleFlags
flags
)
{
return
flags
&
exampleSupport
;
}
}
}
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