fix read access bug

[cschar]

User has reported following bug:

com.intellij.openapi.diagnostic.RuntimeExceptionWithAttachments: Read access is allowed from inside read-action only (see Application.runReadAction()); If you access or modify model on EDT consider wrapping your code in WriteIntentReadAction ; see https://jb.gg/ij-platform-threading for details
Current thread: Thread[#82,AWT-EventQueue-0,6,main] 1648141412 (EventQueue.isDispatchThread()=true)
SystemEventQueueThread: (same)
        at com.intellij.util.concurrency.ThreadingAssertions.createThreadAccessException(ThreadingAssertions.java:257)
        at com.intellij.util.concurrency.ThreadingAssertions.throwThreadAccessException(ThreadingAssertions.java:248)
        at com.intellij.util.concurrency.ThreadingAssertions.assertReadAccess(ThreadingAssertions.java:138)
        at com.intellij.openapi.editor.impl.EditorThreading.assertInteractionAllowed(EditorThreading.kt:30)
        at com.intellij.openapi.editor.impl.CaretImpl.getOffset(CaretImpl.java:661)
        at com.intellij.openapi.editor.CaretModel.getOffset(CaretModel.java:129)
        at com.cschar.pmode3.ParticleContainerManager.getAnchors(ParticleContainerManager.java:185)
        at com.cschar.pmode3.ParticleContainerManager.updateInUI(ParticleContainerManager.java:174)
        at com.cschar.pmode3.ParticleContainerManager$2.run(ParticleContainerManager.java:157)
        at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167)
        at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:167)
        at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:173)
        at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:167)
        at com.intellij.util.concurrency.ContextRunnable.run(ContextRunnable.java:27)
        at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:318)
        at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
        at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
        at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
        at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
        at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
        at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
        at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:595)
        at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:488)
        at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10$lambda$9(IdeEventQueue.kt:313)
        at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:865)
        at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12$lambda$11$lambda$10(IdeEventQueue.kt:312)
        at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$3(IdeEventQueue.kt:974)
        at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:110)
        at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:974)
        at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$12(IdeEventQueue.kt:307)
        at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:347)
        at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
        at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
        at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
        at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
        at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
        at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)

[github-actions]

Qodana Community for JVM

574 new problems were found

Inspection name	Severity	Problems
Field may be 'final'	🔶 Warning	141
Unused import	🔶 Warning	62
Javadoc declaration problems	🔶 Warning	36
Redundant type cast	🔶 Warning	28
Field can be local variable	🔶 Warning	25
Nullability and data flow problems	🔶 Warning	23
Unused assignment	🔶 Warning	22
Integer division in floating-point context	🔶 Warning	18
Access static member via instance reference	🔶 Warning	15
Incorrect string capitalization	🔶 Warning	9
Call to 'printStackTrace()'	🔶 Warning	9
Redundant local variable	🔶 Warning	9
'String.equals()' can be replaced with 'String.isEmpty()'	🔶 Warning	8
Unnecessary semicolon	🔶 Warning	7
Empty class initializer	🔶 Warning	4
Statement with empty body	🔶 Warning	4
Possibly lossy implicit cast in compound assignment	🔶 Warning	4
'@Serial' annotation can be used	🔶 Warning	4
String concatenation as argument to 'StringBuilder.append()' call	🔶 Warning	4
Suspicious variable/parameter name combination	🔶 Warning	4
Unnecessary call to 'toString()'	🔶 Warning	4
C-style array declaration	🔶 Warning	3
'size() == 0' can be replaced with 'isEmpty()'	🔶 Warning	3
Redundant 'if' statement	🔶 Warning	3
Busy wait	🔶 Warning	2
Catch block may ignore exception	🔶 Warning	2
Inner class may be 'static'	🔶 Warning	2
Redundant call to 'String.format()'	🔶 Warning	2
Unnecessary modifier	🔶 Warning	2
Too weak variable type leads to unnecessary cast	🔶 Warning	1
Caught exception is immediately rethrown	🔶 Warning	1
Early loop exit in 'if' condition	🔶 Warning	1
Result of method call ignored	🔶 Warning	1
Unused import directive	🔶 Warning	1
Method name same as class name	🔶 Warning	1
Mismatched read and write of array	🔶 Warning	1
Mismatched query and update of collection	🔶 Warning	1
@NotNull/@Nullable problems	🔶 Warning	1
Optional.get() is called without isPresent() check	🔶 Warning	1
Value passed as parameter never read	🔶 Warning	1
Pointless arithmetic expression	🔶 Warning	1
Local variable used and declared in different 'switch' branches	🔶 Warning	1
'Collection.toArray()' call style	🔶 Warning	1
Unnecessary 'return' statement	🔶 Warning	1
Wrapper type may be primitive	🔶 Warning	1
Commented out code	◽️ Notice	85
Method can be extracted	◽️ Notice	11
Function or property has platform type	◽️ Notice	2
Constant values	◽️ Notice	1

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