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CodeCompletionHandlerBase: extract some methods

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This commit is contained in:
peter
2013-03-07 21:18:48 +01:00
parent 5f771a3bf3
commit 7e804ced9e
1 changed files with 50 additions and 47 deletions
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platform/lang-impl/src/com/intellij/codeInsight/completion/CodeCompletionHandlerBase.java
+50 -47
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@@ -126,10 +126,8 @@ public class CodeCompletionHandlerBase {
CompletionLookupArranger.applyLastCompletionStatisticsUpdate();
}
final Document document = editor.getDocument();
if (!CodeInsightUtilBase.prepareEditorForWrite(editor)) return;
if (!FileDocumentManager.getInstance().requestWriting(document, project)) {
if (!CodeInsightUtilBase.prepareEditorForWrite(editor) ||
!FileDocumentManager.getInstance().requestWriting(editor.getDocument(), project)) {
return;
}
@@ -164,56 +162,16 @@ public class CodeCompletionHandlerBase {
Runnable initCmd = new Runnable() {
@Override
public void run() {
Runnable runnable = new Runnable() {
@Override
public void run() {
final PsiDocumentManager documentManager = PsiDocumentManager.getInstance(project);
EditorUtil.fillVirtualSpaceUntilCaret(editor);
documentManager.commitAllDocuments();
int docLength = editor.getDocument().getTextLength();
int psiLength = psiFile.getTextLength();
if (docLength != psiLength) {
if (ApplicationManagerEx.getApplicationEx().isInternal()) {
String docText = editor.getDocument().getText();
String psiText = psiFile.getText();
String message = "unsuccessful commit: (injected=" +(editor instanceof EditorWindow) +"); document " + System.identityHashCode(editor.getDocument()) + "; " +
"docText=\n'" + docText +"' (" + docText.length() +" chars; .length()="+ docLength+")\n" +
"; fileText=\n'" + psiText + "' (" + psiText.length() +" chars; .length()="+ psiLength+")\n"
;
throw new AssertionError(message);
}
throw new AssertionError("unsuccessful commit: injected=" + (editor instanceof EditorWindow));
}
PsiDocumentManager.getInstance(project).commitAllDocuments();
assertCommitSuccessful(editor, psiFile);
checkEditorValid2(editor);
final Ref<CompletionContributor> current = Ref.create(null);
initializationContext[0] = new CompletionInitializationContext(editor, psiFile, myCompletionType) {
CompletionContributor dummyIdentifierChanger;
@Override
public void setFileCopyPatcher(@NotNull FileCopyPatcher fileCopyPatcher) {
super.setFileCopyPatcher(fileCopyPatcher);
if (dummyIdentifierChanger != null) {
LOG.error("Changing the dummy identifier twice, already changed by " + dummyIdentifierChanger);
}
dummyIdentifierChanger = current.get();
}
};
for (final CompletionContributor contributor : CompletionContributor.forLanguage(initializationContext[0].getPositionLanguage())) {
if (DumbService.getInstance(project).isDumb() && !DumbService.isDumbAware(contributor)) {
continue;
}
current.set(contributor);
contributor.beforeCompletion(initializationContext[0]);
checkEditorValid2(editor);
assert !documentManager.isUncommited(document) : "Contributor " + contributor + " left the document uncommitted";
}
initializationContext[0] = runContributorsBeforeCompletion(editor, psiFile);
}
};
ApplicationManager.getApplication().runWriteAction(runnable);
@@ -231,6 +189,51 @@ public class CodeCompletionHandlerBase {
insertDummyIdentifier(initializationContext[0], hasModifiers, time);
}
private CompletionInitializationContext runContributorsBeforeCompletion(Editor editor, PsiFile psiFile) {
final Ref<CompletionContributor> current = Ref.create(null);
CompletionInitializationContext context = new CompletionInitializationContext(editor, psiFile, myCompletionType) {
CompletionContributor dummyIdentifierChanger;
@Override
public void setFileCopyPatcher(@NotNull FileCopyPatcher fileCopyPatcher) {
super.setFileCopyPatcher(fileCopyPatcher);
if (dummyIdentifierChanger != null) {
LOG.error("Changing the dummy identifier twice, already changed by " + dummyIdentifierChanger);
}
dummyIdentifierChanger = current.get();
}
};
List<CompletionContributor> contributors = CompletionContributor.forLanguage(context.getPositionLanguage());
Project project = psiFile.getProject();
List<CompletionContributor> filteredContributors = DumbService.getInstance(project).filterByDumbAwareness(contributors);
for (final CompletionContributor contributor : filteredContributors) {
current.set(contributor);
contributor.beforeCompletion(context);
checkEditorValid2(editor);
assert !PsiDocumentManager.getInstance(project).isUncommited(editor.getDocument()) : "Contributor " + contributor + " left the document uncommitted";
}
return context;
}
private static void assertCommitSuccessful(Editor editor, PsiFile psiFile) {
int docLength = editor.getDocument().getTextLength();
int psiLength = psiFile.getTextLength();
if (docLength != psiLength) {
if (ApplicationManagerEx.getApplicationEx().isInternal()) {
String docText = editor.getDocument().getText();
String psiText = psiFile.getText();
String message = "unsuccessful commit: (injected=" +(editor instanceof EditorWindow) +"); document " + System.identityHashCode(editor.getDocument()) + "; " +
"docText=\n'" + docText +"' (" + docText.length() +" chars; .length()="+ docLength+")\n" +
"; fileText=\n'" + psiText + "' (" + psiText.length() +" chars; .length()="+ psiLength+")\n"
;
throw new AssertionError(message);
}
throw new AssertionError("unsuccessful commit: injected=" + (editor instanceof EditorWindow));
}
}
private static void checkEditorValid2(Editor editor) {
if (editor instanceof EditorWindow && !((EditorWindow)editor).isValid()) {
throw new AssertionError();