/*
* Copyright 2000-2009 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.execution.actions;
import com.intellij.execution.Location;
import com.intellij.execution.PsiLocation;
import com.intellij.execution.RunManager;
import com.intellij.execution.RunnerAndConfigurationSettings;
import com.intellij.execution.configurations.ConfigurationType;
import com.intellij.execution.configurations.ConfigurationTypeUtil;
import com.intellij.execution.configurations.RunConfiguration;
import com.intellij.execution.junit.RuntimeConfigurationProducer;
import com.intellij.ide.DataManager;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.LangDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.extensions.Extensions;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.Comparing;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.Ref;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import org.jetbrains.annotations.Nullable;
import java.awt.*;
import java.util.List;
/**
* Context for creating run configurations from a location in the source code.
*
* @see RunConfigurationProducer
*/
public class ConfigurationContext {
private static final Logger LOG = Logger.getInstance("#com.intellij.execution.actions.ConfigurationContext");
private final Location<PsiElement> myLocation;
private RunnerAndConfigurationSettings myConfiguration;
private Ref<RunnerAndConfigurationSettings> myExistingConfiguration;
private final Module myModule;
private final RunConfiguration myRuntimeConfiguration;
private final Component myContextComponent;
public static Key<ConfigurationContext> SHARED_CONTEXT = Key.create("SHARED_CONTEXT");
private List<RuntimeConfigurationProducer> myPreferredProducers;
private List<ConfigurationFromContext> myConfigurationsFromContext;
public static ConfigurationContext getFromContext(DataContext dataContext) {
final ConfigurationContext context = new ConfigurationContext(dataContext);
final DataManager dataManager = DataManager.getInstance();
ConfigurationContext sharedContext = dataManager.loadFromDataContext(dataContext, SHARED_CONTEXT);
if (sharedContext == null ||
sharedContext.getLocation() == null ||
context.getLocation() == null ||
!Comparing.equal(sharedContext.getLocation().getPsiElement(), context.getLocation().getPsiElement())) {
sharedContext = context;
dataManager.saveInDataContext(dataContext, SHARED_CONTEXT, sharedContext);
}
return sharedContext;
}
private ConfigurationContext(final DataContext dataContext) {
myRuntimeConfiguration = RunConfiguration.DATA_KEY.getData(dataContext);
myContextComponent = PlatformDataKeys.CONTEXT_COMPONENT.getData(dataContext);
myModule = LangDataKeys.MODULE.getData(dataContext);
@SuppressWarnings({"unchecked"})
final Location<PsiElement> location = (Location<PsiElement>)Location.DATA_KEY.getData(dataContext);
if (location != null) {
myLocation = location;
return;
}
final Project project = CommonDataKeys.PROJECT.getData(dataContext);
if (project == null) {
myLocation = null;
return;
}
final PsiElement element = getSelectedPsiElement(dataContext, project);
if (element == null) {
myLocation = null;
return;
}
myLocation = new PsiLocation<PsiElement>(project, myModule, element);
}
/**
* Returns the configuration created from this context.
*
* @return the configuration, or null if none of the producers were able to create a configuration from this context.
*/
@Nullable
public RunnerAndConfigurationSettings getConfiguration() {
if (myConfiguration == null) createConfiguration();
return myConfiguration;
}
private void createConfiguration() {
LOG.assertTrue(myConfiguration == null);
final Location location = getLocation();
myConfiguration = location != null ?
PreferredProducerFind.createConfiguration(location, this) :
null;
}
public void setConfiguration(RunnerAndConfigurationSettings configuration) {
myConfiguration = configuration;
}
@Deprecated
@Nullable
public RunnerAndConfigurationSettings updateConfiguration(final RuntimeConfigurationProducer producer) {
myConfiguration = producer.getConfiguration();
return myConfiguration;
}
/**
* Returns the source code location for this context.
*
* @return the source code location, or null if no source code fragment is currently selected.
*/
@Nullable
public Location getLocation() {
return myLocation;
}
/**
* Returns the PSI element at caret for this context.
*
* @return the PSI element, or null if no source code fragment is currently selected.
*/
@Nullable
public PsiElement getPsiLocation() {
return myLocation != null ? myLocation.getPsiElement() : null;
}
/**
* Finds an existing run configuration matching the context.
*
* @return an existing configuration, or null if none was found.
*/
@Nullable
public RunnerAndConfigurationSettings findExisting() {
if (myExistingConfiguration != null) return myExistingConfiguration.get();
myExistingConfiguration = new Ref<RunnerAndConfigurationSettings>();
if (myLocation == null) {
return null;
}
final PsiElement psiElement = myLocation.getPsiElement();
if (!psiElement.isValid()) {
return null;
}
final List<RuntimeConfigurationProducer> producers = findPreferredProducers();
if (myRuntimeConfiguration != null) {
if (producers != null) {
for (RuntimeConfigurationProducer producer : producers) {
final RunnerAndConfigurationSettings configuration = producer.findExistingConfiguration(myLocation, this);
if (configuration != null && configuration.getConfiguration() == myRuntimeConfiguration) {
myExistingConfiguration.set(configuration);
}
}
}
for (RunConfigurationProducer producer : Extensions.getExtensions(RunConfigurationProducer.EP_NAME)) {
RunnerAndConfigurationSettings configuration = producer.findExistingConfiguration(this);
if (configuration != null && configuration.getConfiguration() == myRuntimeConfiguration) {
myExistingConfiguration.set(configuration);
}
}
}
if (producers != null) {
for (RuntimeConfigurationProducer producer : producers) {
final RunnerAndConfigurationSettings configuration = producer.findExistingConfiguration(myLocation, this);
if (configuration != null) {
myExistingConfiguration.set(configuration);
}
}
}
for (RunConfigurationProducer producer : Extensions.getExtensions(RunConfigurationProducer.EP_NAME)) {
RunnerAndConfigurationSettings configuration = producer.findExistingConfiguration(this);
if (configuration != null) {
myExistingConfiguration.set(configuration);
}
}
return myExistingConfiguration.get();
}
@Nullable
private static PsiElement getSelectedPsiElement(final DataContext dataContext, final Project project) {
PsiElement element = null;
final Editor editor = CommonDataKeys.EDITOR.getData(dataContext);
if (editor != null){
final PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
if (psiFile != null) {
final int offset = editor.getCaretModel().getOffset();
element = psiFile.findElementAt(offset);
if (element == null && offset > 0 && offset == psiFile.getTextLength()) {
element = psiFile.findElementAt(offset-1);
}
}
}
if (element == null) {
final PsiElement[] elements = LangDataKeys.PSI_ELEMENT_ARRAY.getData(dataContext);
element = elements != null && elements.length > 0 ? elements[0] : null;
}
if (element == null) {
final VirtualFile[] files = CommonDataKeys.VIRTUAL_FILE_ARRAY.getData(dataContext);
if (files != null && files.length > 0) {
element = PsiManager.getInstance(project).findFile(files[0]);
}
}
return element;
}
public RunManager getRunManager() {
return RunManager.getInstance(getProject());
}
public Project getProject() {
return myLocation.getProject();
}
public Module getModule() {
return myModule;
}
public DataContext getDataContext() {
return DataManager.getInstance().getDataContext(myContextComponent);
}
/**
* Returns original {@link RunConfiguration} from this context.
* For example, it could be some test framework runtime configuration that had been launched
* and that had brought a result test tree on which a right-click action was performed.
*
* @param type {@link ConfigurationType} instance to filter original runtime configuration by its type
* @return {@link RunConfiguration} instance, it could be null
*/
@Nullable
public RunConfiguration getOriginalConfiguration(@Nullable ConfigurationType type) {
if (type == null) {
return myRuntimeConfiguration;
}
if (myRuntimeConfiguration != null
&& ConfigurationTypeUtil.equals(myRuntimeConfiguration.getType(), type)) {
return myRuntimeConfiguration;
}
return null;
}
@Deprecated
@Nullable
public List<RuntimeConfigurationProducer> findPreferredProducers() {
if (myPreferredProducers == null) {
myPreferredProducers = PreferredProducerFind.findPreferredProducers(myLocation, this, true);
}
return myPreferredProducers;
}
public List<ConfigurationFromContext> getConfigurationsFromContext() {
if (myConfigurationsFromContext == null) {
myConfigurationsFromContext = PreferredProducerFind.getConfigurationsFromContext(myLocation, this, true);
}
return myConfigurationsFromContext;
}
}