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presentationProvider EP

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This commit is contained in:
Gregory.Shrago
2017-10-25 23:05:32 +03:00
parent 085309a697
commit 4fb6a8a61b
2 changed files with 73 additions and 15 deletions
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platform/platform-impl/src/com/intellij/ide/TypePresentationServiceImpl.java
+70 -14
View File
@@ -17,7 +17,9 @@ package com.intellij.ide;
import com.intellij.ide.presentation.Presentation;
import com.intellij.ide.presentation.PresentationProvider;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.extensions.Extensions;
import com.intellij.openapi.util.ClassExtension;
import com.intellij.openapi.util.IconLoader;
import com.intellij.openapi.util.NullableLazyValue;
import com.intellij.openapi.util.text.StringUtil;
@@ -36,6 +38,9 @@ import java.util.Set;
*/
public class TypePresentationServiceImpl extends TypePresentationService {
private static final ExtensionPointName<PresentationProvider> PROVIDER_EP = ExtensionPointName.create("com.intellij.presentationProvider");
private static final ClassExtension<PresentationProvider> PROVIDERS = new ClassExtension<>(PROVIDER_EP.getName());
@Override
public Icon getIcon(Object o) {
return getIcon(o.getClass(), o);
@@ -88,7 +93,11 @@ public class TypePresentationServiceImpl extends TypePresentationService {
private PresentationTemplate createPresentationTemplate(Class<?> type) {
Presentation presentation = type.getAnnotation(Presentation.class);
if (presentation != null) {
return new PresentationTemplateImpl(presentation, type);
return new AnnotationBasedTemplate(presentation, type);
}
PresentationProvider provider = PROVIDERS.forClass(type);
if (provider != null) {
return new ProviderBasedTemplate(provider);
}
final NullableLazyValue<Icon> icon = myIcons.get(type.getName());
final NullableLazyValue<String> typeName = myNames.get(type.getName());
@@ -120,13 +129,13 @@ public class TypePresentationServiceImpl extends TypePresentationService {
private final Map<String, NullableLazyValue<Icon>> myIcons = new HashMap<>();
private final Map<String, NullableLazyValue<String>> myNames = new HashMap<>();
@SuppressWarnings({"MismatchedQueryAndUpdateOfCollection"})
private final Map<Class, Set<PresentationTemplate>> mySuperClasses = ConcurrentFactoryMap.createMap(key-> {
LinkedHashSet<PresentationTemplate> templates = new LinkedHashSet<>();
walkSupers(key, new LinkedHashSet<>(), templates);
return templates;
}
);
private void walkSupers(Class aClass, Set<Class> classes, Set<PresentationTemplate> templates) {
if (!classes.add(aClass)) {
return;
@@ -142,10 +151,65 @@ public class TypePresentationServiceImpl extends TypePresentationService {
}
}
/**
* @author Dmitry Avdeev
*/
public static class PresentationTemplateImpl implements PresentationTemplate {
/** @noinspection unchecked*/
public static class ProviderBasedTemplate implements PresentationTemplate {
private final PresentationProvider myProvider;
public ProviderBasedTemplate(PresentationProvider provider) {
myProvider = provider;
}
@Nullable
@Override
public Icon getIcon(Object o, int flags) {
return myProvider instanceof PresentationTemplate ?
((PresentationTemplate)myProvider).getIcon(o, flags) :
myProvider.getIcon(o);
}
@Nullable
@Override
public String getName(Object o) {
return myProvider.getName(o);
}
@Nullable
@Override
public String getTypeName() {
return myProvider instanceof PresentationTemplate ?
((PresentationTemplate)myProvider).getTypeName() : null;
}
@Override
public String getTypeName(Object o) {
return myProvider.getTypeName(o);
}
}
public static class PresentationTemplateImpl extends ProviderBasedTemplate {
public PresentationTemplateImpl(Presentation presentation, Class<?> aClass) {
super(new AnnotationBasedTemplate(presentation, aClass));
}
}
/** @noinspection unchecked*/
private static class AnnotationBasedTemplate extends PresentationProvider<Object> implements PresentationTemplate {
private final Presentation myPresentation;
private final Class<?> myClass;
AnnotationBasedTemplate(Presentation presentation, Class<?> aClass) {
myPresentation = presentation;
myClass = aClass;
}
@Override
@Nullable
public Icon getIcon(Object o) {
return getIcon(o, 0);
}
@Override
@Nullable
@@ -184,14 +248,6 @@ public class TypePresentationServiceImpl extends TypePresentationService {
return namer == null ? null : namer.getName(o);
}
public PresentationTemplateImpl(Presentation presentation, Class<?> aClass) {
this.myPresentation = presentation;
myClass = aClass;
}
private final Presentation myPresentation;
private final Class<?> myClass;
private final NullableLazyValue<Icon> myIcon = new NullableLazyValue<Icon>() {
@Override
protected Icon compute() {
platform/platform-resources/src/META-INF/LangExtensionPoints.xml
+3 -1
View File
@@ -826,8 +826,10 @@
</extensionPoint>
<extensionPoint name="typeName" beanClass="com.intellij.ide.TypeNameEP"/>
<extensionPoint name="typeIcon" beanClass="com.intellij.ide.TypeIconEP"/>
<extensionPoint name="presentationProvider" beanClass="com.intellij.openapi.util.ClassExtensionPoint">
<with attribute="implementationClass" implements="com.intellij.ide.presentation.PresentationProvider"/>
</extensionPoint>
<extensionPoint name="analyzeStacktraceFilter" interface="com.intellij.execution.filters.Filter" area="IDEA_PROJECT"/>