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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.jetbrains.python.hierarchy.call;
import com.intellij.ide.hierarchy.HierarchyNodeDescriptor;
import com.intellij.ide.hierarchy.HierarchyTreeStructure;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.util.ArrayUtil;
import com.jetbrains.python.hierarchy.PyHierarchyNodeDescriptor;
import com.jetbrains.python.psi.PyClass;
import com.jetbrains.python.psi.PyElement;
import com.jetbrains.python.psi.PyFile;
import com.jetbrains.python.psi.PyFunction;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
/**
* @author novokrest
*/
public abstract class PyCallHierarchyTreeStructureBase extends HierarchyTreeStructure {
private final String myScopeType;
public PyCallHierarchyTreeStructureBase(Project project, PsiElement element, String currentScopeType) {
super(project, new PyHierarchyNodeDescriptor(null, element, true));
myScopeType = currentScopeType;
}
@NotNull
protected abstract List<PsiElement> getChildren(@NotNull PyElement element);
@NotNull
@Override
protected Object[] buildChildren(@NotNull HierarchyNodeDescriptor descriptor) {
final List<PyHierarchyNodeDescriptor> descriptors = new ArrayList<PyHierarchyNodeDescriptor>();
if (descriptor instanceof PyHierarchyNodeDescriptor) {
final PyHierarchyNodeDescriptor pyDescriptor = (PyHierarchyNodeDescriptor)descriptor;
final PsiElement element = pyDescriptor.getPsiElement();
final boolean isCallable = element instanceof PyFunction || element instanceof PyClass || element instanceof PyFile;
HierarchyNodeDescriptor nodeDescriptor = getBaseDescriptor();
if (!(element instanceof PyElement) || !isCallable || nodeDescriptor == null) {
return ArrayUtil.EMPTY_OBJECT_ARRAY;
}
final List<PsiElement> children = getChildren((PyElement)element);
final HashMap<PsiElement, PyHierarchyNodeDescriptor> callerToDescriptorMap = new HashMap<PsiElement, PyHierarchyNodeDescriptor>();
PsiElement baseClass = element instanceof PyFunction ? ((PyFunction)element).getContainingClass() : null;
for (PsiElement caller : children) {
if (isInScope(baseClass, caller, myScopeType)) {
PyHierarchyNodeDescriptor callerDescriptor = callerToDescriptorMap.get(caller);
if (callerDescriptor == null) {
callerDescriptor = new PyHierarchyNodeDescriptor(descriptor, caller, false);
callerToDescriptorMap.put(caller, callerDescriptor);
descriptors.add(callerDescriptor);
}
}
}
}
return ArrayUtil.toObjectArray(descriptors);
}
@Override
public boolean isAlwaysShowPlus() {
return true;
}
}
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