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Code Issues Packages Projects Releases Wiki Activity

WEB-11278 Bad performance expanding emmet

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This commit is contained in:
Alexander Zolotov
2014-04-11 19:18:39 +04:00
parent 8d094215f7
commit e672f586a1
1 changed files with 23 additions and 9 deletions
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platform/lang-impl/src/com/intellij/codeInsight/template/CustomTemplateCallback.java
+23 -9
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@@ -15,6 +15,9 @@
*/
package com.intellij.codeInsight.template;
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
import com.intellij.codeInsight.template.impl.TemplateImpl;
import com.intellij.codeInsight.template.impl.TemplateManagerImpl;
import com.intellij.codeInsight.template.impl.TemplateSettings;
@@ -33,6 +36,7 @@ import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;
/**
* @author Eugene.Kudelevsky
@@ -43,10 +47,14 @@ public class CustomTemplateCallback {
private final PsiFile myFile;
private final int myOffset;
private final Project myProject;
private final boolean myInInjectedFragment;
private FileType myFileType;
private final LoadingCache<TemplateImpl, Boolean> myAvailabilityCache = CacheBuilder.newBuilder().weakKeys().build(new CacheLoader<TemplateImpl, Boolean>() {
@Override
public Boolean load(@NotNull TemplateImpl template) throws Exception {
return isAvailableTemplate(template);
}
});
public CustomTemplateCallback(@NotNull Editor editor, @NotNull PsiFile file, boolean wrapping) {
myProject = file.getProject();
@@ -95,13 +103,22 @@ public class CustomTemplateCallback {
public List<TemplateImpl> filterApplicableCandidates(Collection<? extends TemplateImpl> candidates) {
List<TemplateImpl> result = new ArrayList<TemplateImpl>();
for (TemplateImpl candidate : candidates) {
if (!candidate.isDeactivated() && TemplateManagerImpl.isApplicable(myFile, myOffset, candidate)) {
result.add(candidate);
try {
if (myAvailabilityCache.get(candidate)) {
result.add(candidate);
}
}
catch (ExecutionException ignore) {
// filter error
}
}
return result;
}
public boolean isAvailableTemplate(TemplateImpl template) {
return !template.isDeactivated() && TemplateManagerImpl.isApplicable(myFile, myOffset, template);
}
public void startTemplate(Template template, Map<String, String> predefinedValues, TemplateEditingListener listener) {
if(myInInjectedFragment) {
template.setToReformat(false);
@@ -136,10 +153,7 @@ public class CustomTemplateCallback {
@NotNull
public FileType getFileType() {
if (myFileType == null) {
myFileType = myFile.getFileType();
}
return myFileType;
return myFile.getFileType();
}
public Project getProject() {