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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.codeInsight.completion;
import com.intellij.openapi.editor.Editor;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
/**
* @author peter
*/
public final class CompletionParameters {
private final PsiElement myPosition;
private final PsiFile myOriginalFile;
private final CompletionType myCompletionType;
private final Editor myEditor;
private final int myOffset;
private final int myInvocationCount;
CompletionParameters(@NotNull final PsiElement position, @NotNull final PsiFile originalFile,
@NotNull CompletionType completionType, int offset, final int invocationCount, @NotNull Editor editor) {
assert offset >= position.getTextRange().getStartOffset();
myPosition = position;
assert position.isValid();
myOriginalFile = originalFile;
myCompletionType = completionType;
myOffset = offset;
myInvocationCount = invocationCount;
myEditor = editor;
}
@NotNull
public CompletionParameters delegateToClassName() {
return withType(CompletionType.CLASS_NAME).withInvocationCount(myInvocationCount - 1);
}
@NotNull
public CompletionParameters withType(@NotNull CompletionType type) {
return new CompletionParameters(myPosition, myOriginalFile, type, myOffset, myInvocationCount, myEditor);
}
@NotNull
public CompletionParameters withInvocationCount(int newCount) {
return new CompletionParameters(myPosition, myOriginalFile, myCompletionType, myOffset, newCount, myEditor);
}
@NotNull
public PsiElement getPosition() {
return myPosition;
}
@Nullable
public PsiElement getOriginalPosition() {
return myOriginalFile.findElementAt(myPosition.getTextRange().getStartOffset());
}
@NotNull
public PsiFile getOriginalFile() {
return myOriginalFile;
}
@NotNull
public CompletionType getCompletionType() {
return myCompletionType;
}
public int getOffset() {
return myOffset;
}
/**
* @return
* 0 for autopopup
* 1 for explicitly invoked completion
* >1 for next completion invocations when one lookup is already active
*/
public int getInvocationCount() {
return myInvocationCount;
}
public boolean isAutoPopup() {
return myInvocationCount == 0;
}
@NotNull
public CompletionParameters withPosition(@NotNull PsiElement element, int offset) {
return new CompletionParameters(element, myOriginalFile, myCompletionType, offset, myInvocationCount, myEditor);
}
public boolean isExtendedCompletion() {
return myCompletionType == CompletionType.BASIC && myInvocationCount >= 2;
}
@NotNull
public Editor getEditor() {
return myEditor;
}
}
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