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Using an undocumented API, but what the hell, it works just fine.
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src/main/kotlin/it/casaricci/hass/plugin/findUsages/HassAutomationFindUsagesProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package it.casaricci.hass.plugin.findUsages | ||
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| import com.intellij.lang.cacheBuilder.WordsScanner | ||
| import com.intellij.lang.findUsages.FindUsagesProvider | ||
| import com.intellij.psi.PsiElement | ||
| import com.intellij.psi.PsiNamedElement | ||
| import it.casaricci.hass.plugin.MyBundle | ||
| import it.casaricci.hass.plugin.language.HassAutomation | ||
| import org.jetbrains.yaml.YAMLWordsScanner | ||
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| class HassAutomationFindUsagesProvider : FindUsagesProvider { | ||
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| override fun getWordsScanner(): WordsScanner { | ||
| return YAMLWordsScanner() | ||
| } | ||
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| override fun canFindUsagesFor(element: PsiElement): Boolean { | ||
| return isMyElement(element) | ||
| } | ||
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| override fun getHelpId(element: PsiElement): String? { | ||
| return null | ||
| } | ||
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| override fun getType(element: PsiElement): String { | ||
| if (isMyElement(element)) { | ||
| return MyBundle.message("hass.findUsages.haAutomation") | ||
| } | ||
| return "" | ||
| } | ||
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| override fun getDescriptiveName(element: PsiElement): String { | ||
| if (isMyElement(element)) { | ||
| return (element as PsiNamedElement).name ?: "" | ||
| } | ||
| return "" | ||
| } | ||
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| override fun getNodeText(element: PsiElement, useFullName: Boolean): String { | ||
| return getDescriptiveName(element) | ||
| } | ||
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| private fun isMyElement(element: PsiElement): Boolean { | ||
| return element is HassAutomation | ||
| } | ||
| } |
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41 changes: 41 additions & 0 deletions
41
src/main/kotlin/it/casaricci/hass/plugin/language/HassAutomation.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package it.casaricci.hass.plugin.language | ||
|
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| import com.intellij.psi.PsiElement | ||
| import com.intellij.psi.PsiFile | ||
| import com.intellij.psi.PsiNamedElement | ||
| import com.intellij.psi.util.PsiTreeUtil | ||
| import com.intellij.util.IncorrectOperationException | ||
| import org.jetbrains.yaml.YAMLBundle | ||
| import org.jetbrains.yaml.YAMLElementGenerator | ||
| import org.jetbrains.yaml.psi.YAMLScalar | ||
| import org.jetbrains.yaml.psi.impl.YAMLKeyValueImpl | ||
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| /** | ||
| * Wraps the "alias" key value element of an automation, giving the element [PsiNamedElement] features. | ||
| */ | ||
| class HassAutomation(private val element: YAMLScalar) : PsiNamedElement, YAMLScalar by element { | ||
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| /** | ||
| * Automation name is actually the value of the "alias" key. | ||
| */ | ||
| override fun getName(): String { | ||
| return element.textValue | ||
| } | ||
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| /** | ||
| * Copied from [YAMLKeyValueImpl] + [org.jetbrains.yaml.YAMLUtil], although it seems like overkill. | ||
| */ | ||
| override fun setName(name: String): PsiElement { | ||
| if (name == element.textValue) { | ||
| throw IncorrectOperationException(YAMLBundle.message("rename.same.name")) | ||
| } | ||
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| val elementGenerator = YAMLElementGenerator.getInstance(element.project) | ||
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| val tempFile: PsiFile = elementGenerator.createDummyYamlWithText(name) | ||
| val textElement = PsiTreeUtil.collectElementsOfType(tempFile, YAMLScalar::class.java).iterator().next() | ||
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| element.replace(textElement) | ||
| return this | ||
| } | ||
| } |
60 changes: 60 additions & 0 deletions
60
src/main/kotlin/it/casaricci/hass/plugin/language/HassElementEvaluator.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package it.casaricci.hass.plugin.language | ||
|
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| import com.intellij.codeInsight.TargetElementEvaluatorEx2 | ||
| import com.intellij.openapi.editor.Editor | ||
| import com.intellij.psi.PsiElement | ||
| import com.intellij.psi.PsiFile | ||
| import com.intellij.psi.PsiNamedElement | ||
| import com.intellij.psi.util.parentOfType | ||
| import it.casaricci.hass.plugin.isAutomation | ||
| import org.jetbrains.yaml.psi.YAMLScalar | ||
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| class HassElementEvaluator : TargetElementEvaluatorEx2() { | ||
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| /** | ||
| * This method will be called for elements that don't inherit from [com.intellij.psi.PsiNamedElement]. | ||
| * @return an actual [com.intellij.psi.PsiNamedElement] that can be named and used as a reference | ||
| */ | ||
| override fun getNamedElement(element: PsiElement): PsiElement? { | ||
| // handle text values (e.g. property values) | ||
| val textElement = element.parentOfType<YAMLScalar>() | ||
| if (textElement != null) { | ||
| return wrapElement(textElement) | ||
| } | ||
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| return null | ||
| } | ||
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| /** | ||
| * This method will be called for practically every element selected by the user, so it needs to be very fast. | ||
| * @return an element wrapped with a custom class that we can recognize (if available, otherwise the same element | ||
| * will be returned) | ||
| */ | ||
| override fun adjustReferenceOrReferencedElement( | ||
| file: PsiFile, | ||
| editor: Editor, | ||
| offset: Int, | ||
| flags: Int, | ||
| refElement: PsiElement? | ||
| ): PsiElement? { | ||
| val wrappedElement = when (refElement) { | ||
| is YAMLScalar -> { | ||
| wrapElement(refElement) | ||
| } | ||
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| else -> { | ||
| null | ||
| } | ||
| } | ||
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| return wrappedElement ?: super.adjustReferenceOrReferencedElement(file, editor, offset, flags, refElement) | ||
| } | ||
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| private fun wrapElement(element: YAMLScalar): PsiNamedElement? { | ||
| if (isAutomation(element)) { | ||
| return HassAutomation(element) | ||
| } | ||
| return null | ||
| } | ||
|
|
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| } |
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