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<h1>State diagram demos</h1>
<h2>Very simple showing change from State1 to State2</h2>
<pre class="mermaid">
---
title: Very simple diagram
---
stateDiagram
accTitle: This is the accessible title
accDescr:This is an accessible description
State1 --> State2
</pre>
<hr />
<h2>This has classDef statements to apply style classes to specific states</h2>
<h4>Here are the <code>classDef</code> statements:</h4>
<p>
<code>
classDef notMoving fill:white<br />
classDef movement font-style:italic<br />
classDef badBadEvent
fill:#f00,color:white,font-weight:bold,stroke-width:2px,stroke:yellow<br />
</code>
</p>
<h4>And these are how they are applied:</h4>
<p>
<code>
class Still notMoving<br />
class Moving, Crash movement<br />
class Crash badBadEvent<br />
</code>
</p>
<pre class="mermaid">
---
title: Very simple diagram
---
stateDiagram
direction TB
accTitle: This is the accessible title
accDescr: This is an accessible description
classDef notMoving fill:white
classDef movement font-style:italic
classDef badBadEvent fill:#f00,color:white,font-weight:bold,stroke-width:2px,stroke:yellow
[*]--> Still
Still --> [*]
Still --> Moving
Moving --> Still
Moving --> Crash
Crash --> [*]
class Still notMoving
class Moving, Crash movement
class Crash badBadEvent
class end badBadEvent
</pre>
<hr />
<h2>Here is a diagram that uses the ::: operator to apply styles to states</h2>
<h4>Here are the <code>classDef</code> statements:</h4>
<p>
<code>
classDef notMoving fill:white<br />
classDef movement font-style:italic<br />
classDef badBadEvent
fill:#f00,color:white,font-weight:bold,stroke-width:2px,stroke:yellow<br />
</code>
</p>
<h4>And these are how they are applied:</h4>
<p>
<code>
[*] --> Still:::notMoving<br />
...<br />
Still --> Moving:::movement<br />
...<br />
Moving --> Crash:::movement<br />
Crash:::badBadEvent --> [*]<br />
</code>
</p>
<p>
Note that both the starting state and the end state have styles applied:<br />
The start state has the <i>start</i> classDef style<br />and the end state has the
<i>stop</i> classDef style applied.
</p>
<pre class="mermaid">
stateDiagram
direction TB
accTitle: This is the accessible title
accDescr: This is an accessible description
classDef notMoving fill:white
classDef movement font-style:italic
classDef badBadEvent fill:#f00,color:white,font-weight:bold,stroke-width:2px,stroke:yellow
[*] --> Still:::notMoving
Still --> [*]
Still --> Moving:::movement
Moving --> Still
Moving --> Crash:::movement
Crash:::badBadEvent --> [*]
</pre>
<hr />
<pre class="mermaid">
stateDiagram-v2
accTitle: very very simple state
accDescr: This is a state diagram showing one state
State1
</pre>
<hr />
<h2>States with spaces in them</h2>
<pre class="mermaid">
stateDiagram
classDef yourState font-style:italic,font-weight:bold,fill:white
yswsii: Your state with spaces in it
[*] --> yswsii:::yourState
[*] --> SomeOtherState
SomeOtherState --> YetAnotherState
yswsii --> YetAnotherState
YetAnotherState --> [*]
</pre>
<hr />
<h2>You can label the relationships</h2>
<pre class="mermaid">
stateDiagram-v2
[*] --> State1
State1 --> State2 : Transition 1
State1 --> State3 : Transition 2
State1 --> State4 : Transition 3
State1 --> [*]
</pre>
<hr />
<h2>This shows Composite states</h2>
<pre class="mermaid">
stateDiagram-v2
[*] --> First
First --> Second
First --> Third
state "the first composite" as First {
[*] --> 1st
state innerFirst {
state "1 in innerFirst" as 1st1st
1st2nd: 2 in innerFirst
[*] --> 1st1st
1st1st --> 1st2nd
%% 1st2nd --> 1st
}
1st --> innerFirst
innerFirst --> 2nd
}
state Second {
2nd --> [*]
}
state Third {
[*] --> 3rd
3rd --> [*]
}
</pre>
<hr />
<h2>Composite states can link to themselves</h2>
<pre class="mermaid">
stateDiagram-v2
state Active {
Idle
}
Inactive --> Idle: ACT
Active --> Active: LOG
</pre>
<hr />
<h2>transition labels can span multiple lines using "br" tags or \n</h2>
<pre class="mermaid">
stateDiagram-v2
[*] --> S1
S1 --> S2: This long line uses a br tag<br />to create multiple<br />lines.
S1 --> S3: This transition description uses \na newline character\nto create multiple\nlines.
</pre>
<hr />
<h2>You can add Notes</h2>
<pre class="mermaid">
stateDiagram-v2
direction LR
State1: A state with a note
note right of State1
Important information!<br />You can write notes.<br />And\nthey\ncan\nbe\nmulti-\nline.
end note
State1 --> State2
note left of State2 : Notes can be to the left of a state\n(like this one).
note right of State2 : Notes can be to the right of a state\n(like this one).
</pre>
<hr />
<script type="module">
import mermaid from './mermaid.esm.mjs';
mermaid.initialize({
theme: 'default',
// themeCSS: '.node rect { fill: red; }',
logLevel: 3,
securityLevel: 'loose',
flowchart: { curve: 'basis' },
gantt: { axisFormat: '%m/%d/%Y' },
sequence: { actorMargin: 50 },
// sequenceDiagram: { actorMargin: 300 } // deprecated
});
</script>
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