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/*
* Copyright 2000-2013 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.openapi.module;
import com.intellij.ide.util.projectWizard.ProjectTemplateParameterFactory;
import com.intellij.ide.util.projectWizard.WizardInputField;
import com.intellij.openapi.options.ConfigurationException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.JavaPsiFacade;
import com.intellij.psi.PsiNameHelper;
import com.intellij.psi.PsiPackage;
import com.intellij.psi.impl.PsiNameHelperImpl;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.util.containers.ContainerUtil;
import javax.swing.*;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author Dmitry Avdeev
* Date: 2/1/13
*/
public class BasePackageParameterFactory extends ProjectTemplateParameterFactory {
private static final Condition<PsiPackage> PACKAGE_CONDITION = new Condition<PsiPackage>() {
@Override
public boolean value(PsiPackage aPackage) {
return PsiNameHelper.getInstance(aPackage.getProject()).isQualifiedName(aPackage.getQualifiedName()) &&
Character.isLowerCase(aPackage.getName().charAt(0));
}
};
@Override
public String getParameterId() {
return IJ_BASE_PACKAGE;
}
@Override
public WizardInputField createField(final String defaultValue) {
return new WizardInputField<JTextField>(IJ_BASE_PACKAGE, defaultValue) {
private final JTextField myField = new JTextField(defaultValue);
@Override
public String getLabel() {
return "Base \u001Bpackage:";
}
@Override
public JTextField getComponent() {
return myField;
}
@Override
public String getValue() {
return myField.getText();
}
@Override
public Map<String, String> getValues() {
HashMap<String, String> map = new HashMap<String, String>(2);
map.put(getId(), getValue());
map.put("IJ_BASE_PACKAGE_DIR", getValue().replace('.', '/'));
map.put("IJ_BASE_PACKAGE_PREFIX", StringUtil.isEmpty(getValue()) ? "" : getValue() + ".");
return map;
}
@Override
public boolean validate() throws ConfigurationException {
String value = getValue();
if (!StringUtil.isEmpty(value) && !PsiNameHelperImpl.getInstance().isQualifiedName(value)) {
throw new ConfigurationException(value + " is not a valid package name");
}
return true;
}
};
}
@Override
public String detectParameterValue(Project project) {
PsiPackage root = JavaPsiFacade.getInstance(project).findPackage("");
if (root == null) return null;
String name = getBasePackage(root, GlobalSearchScope.projectScope(project)).getQualifiedName();
return StringUtil.isEmpty(name) ? null : name;
}
private static PsiPackage getBasePackage(PsiPackage pack, GlobalSearchScope scope) {
List<PsiPackage> subPackages = ContainerUtil.filter(pack.getSubPackages(scope), PACKAGE_CONDITION);
return subPackages.size() == 1 ? getBasePackage(subPackages.get(0), scope) : pack;
}
}
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