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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.lang.properties.structureView;
import com.intellij.icons.AllIcons;
import com.intellij.ide.util.treeView.smartTree.Group;
import com.intellij.ide.util.treeView.smartTree.TreeElement;
import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.editor.ResourceBundleEditorViewElement;
import com.intellij.lang.properties.editor.ResourceBundlePropertyStructureViewElement;
import com.intellij.navigation.ItemPresentation;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiElement;
import com.intellij.util.NullableFunction;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import javax.swing.*;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* @author cdr
*/
public class PropertiesPrefixGroup implements Group, ResourceBundleEditorViewElement {
private final Collection<TreeElement> myProperties;
private final @NotNull String myPrefix;
private final String myPresentableName;
private final @NotNull String mySeparator;
public PropertiesPrefixGroup(final Collection<TreeElement> properties,
final @NotNull String prefix,
final String presentableName,
final @NotNull String separator) {
myProperties = properties;
myPrefix = prefix;
myPresentableName = presentableName;
mySeparator = separator;
}
public String getPresentableName() {
return myPresentableName;
}
@NotNull
public String getSeparator() {
return mySeparator;
}
@NotNull
public String getPrefix() {
return myPrefix;
}
@NotNull
public ItemPresentation getPresentation() {
return new ItemPresentation() {
public String getPresentableText() {
return myPresentableName;
}
public String getLocationString() {
return null;
}
public Icon getIcon(boolean open) {
return AllIcons.Nodes.Advice;
}
};
}
@NotNull
public Collection<TreeElement> getChildren() {
Collection<TreeElement> result = new ArrayList<TreeElement>();
List<String> prefixWords = StringUtil.split(myPrefix, mySeparator);
for (TreeElement treeElement : myProperties) {
String key;
if (treeElement instanceof PropertiesStructureViewElement) {
PropertiesStructureViewElement propertiesElement = (PropertiesStructureViewElement)treeElement;
IProperty property = propertiesElement.getValue();
key = property.getUnescapedKey();
}
else if (treeElement instanceof ResourceBundlePropertyStructureViewElement) {
key = ((ResourceBundlePropertyStructureViewElement)treeElement).getValue();
}
else {
continue;
}
if (key == null || key.equals(myPrefix)) {
continue;
}
List<String> keyWords = StringUtil.split(key, mySeparator);
boolean startsWith = prefixWords.size() < keyWords.size();
if (startsWith) {
for (int i = 0; i < prefixWords.size(); i++) {
String prefixWord = prefixWords.get(i);
String keyWord = keyWords.get(i);
if (!Comparing.strEqual(keyWord, prefixWord)) {
startsWith = false;
break;
}
}
}
if (startsWith) {
result.add(treeElement);
String presentableName = key.substring(myPrefix.length());
presentableName = StringUtil.trimStart(presentableName, mySeparator);
if (treeElement instanceof PropertiesStructureViewElement) {
((PropertiesStructureViewElement)treeElement).setPresentableName(presentableName);
}
if (treeElement instanceof ResourceBundlePropertyStructureViewElement) {
((ResourceBundlePropertyStructureViewElement)treeElement).setPresentableName(presentableName);
}
}
}
return result;
}
@Override
public PsiElement[] getPsiElements() {
final List<PsiElement> elements = ContainerUtil.mapNotNull(getChildren(), new NullableFunction<TreeElement, PsiElement>() {
@Nullable
@Override
public PsiElement fun(final TreeElement treeElement) {
if (treeElement instanceof PropertiesStructureViewElement) {
PropertiesStructureViewElement propertiesElement = (PropertiesStructureViewElement)treeElement;
IProperty property = propertiesElement.getValue();
return property.getPsiElement();
}
else if (treeElement instanceof ResourceBundlePropertyStructureViewElement) {
return ((ResourceBundlePropertyStructureViewElement)treeElement).getPsiElements()[0];
}
return null;
}
});
return elements.toArray(new PsiElement[elements.size()]);
}
public boolean equals(final Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
final PropertiesPrefixGroup group = (PropertiesPrefixGroup)o;
if (!myPrefix.equals(group.myPrefix)) return false;
return true;
}
public int hashCode() {
return myPrefix.hashCode();
}
}
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