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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.netbeans.modules.web.clientproject;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import org.netbeans.api.annotations.common.CheckForNull;
import org.netbeans.api.annotations.common.StaticResource;
import org.netbeans.api.java.classpath.ClassPath;
import org.netbeans.api.java.classpath.GlobalPathRegistry;
import org.netbeans.api.progress.BaseProgressUtils;
import org.netbeans.api.project.Project;
import org.netbeans.api.project.ProjectInformation;
import org.netbeans.api.project.ProjectManager;
import org.netbeans.api.project.ProjectUtils;
import org.netbeans.api.project.ui.ProjectProblems;
import org.netbeans.api.search.SearchRoot;
import org.netbeans.api.search.SearchScopeOptions;
import org.netbeans.api.search.provider.SearchInfo;
import org.netbeans.api.search.provider.SearchInfoUtils;
import org.netbeans.api.search.provider.SearchListener;
import org.netbeans.modules.web.browser.api.WebBrowser;
import org.netbeans.modules.web.browser.api.BrowserUISupport;
import org.netbeans.modules.web.clientproject.api.ClientSideModule;
import org.netbeans.modules.web.clientproject.api.CustomizerPanel;
import org.netbeans.modules.web.clientproject.api.ProjectDirectoriesProvider;
import org.netbeans.modules.web.clientproject.api.jstesting.CoverageProviderImpl;
import org.netbeans.modules.web.clientproject.api.jstesting.JsTestingProvider;
import org.netbeans.modules.web.clientproject.api.jstesting.JsTestingProviders;
import org.netbeans.modules.web.clientproject.api.platform.PlatformProvider;
import org.netbeans.modules.web.clientproject.api.platform.PlatformProviders;
import org.netbeans.modules.web.clientproject.api.platform.PlatformProvidersListener;
import org.netbeans.modules.web.clientproject.api.util.StringUtilities;
import org.netbeans.modules.web.clientproject.env.CommonProjectHelper;
import org.netbeans.modules.web.clientproject.env.Env;
import org.netbeans.modules.web.clientproject.env.Values;
import org.netbeans.modules.web.clientproject.env.References;
import org.netbeans.modules.web.clientproject.problems.ProjectPropertiesProblemProvider;
import org.netbeans.modules.web.clientproject.spi.platform.ClientProjectEnhancedBrowserImplementation;
import org.netbeans.modules.web.clientproject.spi.platform.ClientProjectEnhancedBrowserProvider;
import org.netbeans.modules.web.clientproject.spi.platform.RefreshOnSaveListener;
import org.netbeans.modules.web.clientproject.ui.ClientSideProjectLogicalView;
import org.netbeans.modules.web.clientproject.ui.action.ClientSideProjectActionProvider;
import org.netbeans.modules.web.clientproject.ui.action.ProjectOperations;
import org.netbeans.modules.web.clientproject.ui.customizer.ClientSideProjectProperties;
import org.netbeans.modules.web.clientproject.ui.customizer.CompositePanelProviderImpl;
import org.netbeans.modules.web.clientproject.ui.customizer.CustomizerProviderImpl;
import org.netbeans.modules.web.clientproject.util.ClientSideProjectUtilities;
import org.netbeans.modules.web.common.api.CssPreprocessor;
import org.netbeans.modules.web.common.api.CssPreprocessors;
import org.netbeans.modules.web.common.api.CssPreprocessorsListener;
import org.netbeans.modules.web.common.api.UsageLogger;
import org.netbeans.modules.web.common.spi.ProjectWebRootProvider;
import org.netbeans.modules.web.common.ui.api.CssPreprocessorsUI;
import org.netbeans.spi.project.AuxiliaryConfiguration;
import org.netbeans.spi.project.support.LookupProviderSupport;
import org.netbeans.spi.project.ui.PrivilegedTemplates;
import org.netbeans.spi.project.ui.ProjectOpenedHook;
import org.netbeans.spi.project.ui.RecommendedTemplates;
import org.netbeans.spi.project.ui.support.UILookupMergerSupport;
import org.netbeans.spi.queries.FileEncodingQueryImplementation;
import org.netbeans.spi.search.SearchInfoDefinition;
import org.openide.DialogDisplayer;
import org.openide.NotifyDescriptor;
import org.openide.awt.NotificationDisplayer;
import org.openide.filesystems.FileAttributeEvent;
import org.openide.filesystems.FileChangeListener;
import org.openide.filesystems.FileChooserBuilder;
import org.openide.filesystems.FileEvent;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileRenameEvent;
import org.openide.filesystems.FileUtil;
import org.openide.util.ImageUtilities;
import org.openide.util.Lookup;
import org.openide.util.Mutex;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
import org.openide.util.WeakListeners;
import org.openide.util.lookup.Lookups;
import org.openide.windows.WindowManager;
import org.openide.windows.WindowSystemEvent;
import org.openide.windows.WindowSystemListener;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Text;

public class ClientSideProject implements Project {

    static final Logger LOGGER = Logger.getLogger(ClientSideProject.class.getName());

    @StaticResource
    public static final String HTML5_PROJECT_ICON = "org/netbeans/modules/web/clientproject/ui/resources/html5-project.png"; // NOI18N

    static final RequestProcessor RP = new RequestProcessor(ClientSideProject.class);

    final UsageLogger projectBrowserUsageLogger = UsageLogger.projectBrowserUsageLogger(ClientSideProjectUtilities.USAGE_LOGGER_NAME);

    public final Env is;
    final CommonProjectHelper projectHelper;
    private final References referenceHelper;
    private final Values eval;
    private final Lookup lookup;
    private final CallbackImpl callbackImpl = new CallbackImpl();
    private final ClientSideProjectBrowserProvider projectBrowserProvider;
    volatile String name;
    private volatile ClassPath sourcePath;
    volatile ClassPathProviderImpl.PathImpl pathImpl;
    // @GuardedBy("mutex & this")
    ClientProjectEnhancedBrowserImplementation projectEnhancedBrowserImpl;
    // @GuardedBy("mutex & this")
    WebBrowser projectWebBrowser;

    final PlatformProvidersListener platformProvidersListener = new PlatformProvidersListenerImpl();

    // css preprocessors
    final CssPreprocessorsListener cssPreprocessorsListener = new CssPreprocessorsListener() {
        @Override
        public void preprocessorsChanged() {
            // noop?
        }
        @Override
        public void optionsChanged(CssPreprocessor cssPreprocessor) {
            recompileSources(cssPreprocessor);
        }
        @Override
        public void customizerChanged(Project project, CssPreprocessor cssPreprocessor) {
            if (project.equals(ClientSideProject.this)) {
                recompileSources(cssPreprocessor);
            }
        }
        @Override
        public void processingErrorOccured(Project project, CssPreprocessor cssPreprocessor, String error) {
            // noop
        }
    };


    // #233052
    private final WindowSystemListener windowSystemListener = new WindowSystemListener() {

        @Override
        public void beforeLoad(WindowSystemEvent event) {
        }

        @Override
        public void afterLoad(WindowSystemEvent event) {
        }

        @Override
        public void beforeSave(WindowSystemEvent event) {
            // browser
            ClientProjectEnhancedBrowserImplementation enhancedBrowserImpl = getEnhancedBrowserImpl();
            if (enhancedBrowserImpl != null) {
                enhancedBrowserImpl.close();
            }
        }

        @Override
        public void afterSave(WindowSystemEvent event) {
        }

    };


    public ClientSideProject(CommonProjectHelper helper, Env is) {
        this.projectHelper = helper;
        this.is = is;
        AuxiliaryConfiguration configuration = helper.createAuxiliaryConfiguration();
        eval = is.createEvaluator(helper, getProjectDirectory());
        referenceHelper = is.newReferenceHelper(helper, configuration, eval);
        projectBrowserProvider = new ClientSideProjectBrowserProvider(this);
        lookup = createLookup(configuration, helper.getXmlSavedHook());
        eval.addPropertyChangeListener(new PropertyChangeListener() {
            @Override
            public void propertyChange(PropertyChangeEvent evt) {
                assert ProjectManager.mutex().isWriteAccess() || ProjectManager.mutex().isReadAccess();
                if (ClientSideProjectConstants.PROJECT_SELECTED_BROWSER.equals(evt.getPropertyName())) {
                    projectBrowserUsageLogger.reset();
                    synchronized (ClientSideProject.this) {
                        ClientProjectEnhancedBrowserImplementation ebi = projectEnhancedBrowserImpl;
                        if (ebi != null) {
                            ebi.deactivate();
                        }
                        projectEnhancedBrowserImpl = null;
                        projectWebBrowser = null;
                    }
                    projectBrowserProvider.activeBrowserHasChanged();
                }
            }
        });
        projectHelper.registerCallback(callbackImpl);
        WindowManager windowManager = WindowManager.getDefault();
        windowManager.addWindowSystemListener(WeakListeners.create(WindowSystemListener.class, windowSystemListener, windowManager));
    }

    @Override
    public String toString() {
        return "ClientSideProject{" + "projectDirectory=" + projectHelper.getProjectDirectory() + '}'; // NOI18N
    }

    public void logBrowserUsage() {
        WebBrowser webBrowser = getProjectWebBrowser();
        projectBrowserUsageLogger.log(ClientSideProjectType.TYPE, webBrowser.getId(), webBrowser.getBrowserFamily().name());
    }

    public ClientProjectEnhancedBrowserImplementation getEnhancedBrowserImpl() {
        return ProjectManager.mutex().readAccess(new Mutex.Action() {
            @Override
            public ClientProjectEnhancedBrowserImplementation run() {
                synchronized (ClientSideProject.this) {
                    if (projectEnhancedBrowserImpl == null) {
                        projectEnhancedBrowserImpl = createEnhancedBrowserImpl(ClientSideProject.this, getProjectWebBrowser());
                    }
                    return projectEnhancedBrowserImpl;
                }
            }
        });
    }

    public static ClientProjectEnhancedBrowserImplementation createEnhancedBrowserImpl(Project p, WebBrowser wb) {
        for (ClientProjectEnhancedBrowserProvider provider : p.getLookup().lookupAll(ClientProjectEnhancedBrowserProvider.class)) {
            ClientProjectEnhancedBrowserImplementation impl = provider.getEnhancedBrowser(wb);
            if (impl != null) {
                return impl;
            }
        }
        return null;
    }

    public WebBrowser getProjectWebBrowser() {
        return ProjectManager.mutex().readAccess(new Mutex.Action() {
            @Override
            public WebBrowser run() {
                synchronized (ClientSideProject.this) {
                    if (projectWebBrowser == null) {
                        String id = getSelectedBrowser();
                        if (id != null) {
                            projectWebBrowser = BrowserUISupport.getBrowser(id);
                        }
                        if (projectWebBrowser == null) {
                            projectWebBrowser = BrowserUISupport.getDefaultBrowserChoice(false);
                        }
                    }
                    return projectWebBrowser;
                }
            }
        });
    }

    private RefreshOnSaveListener getRefreshOnSaveListener() {
        ClientProjectEnhancedBrowserImplementation ebi = getEnhancedBrowserImpl();
        if (ebi != null) {
            return ebi.getRefreshOnSaveListener();
        } else {
            return null;
        }
    }

    public boolean isUsingEmbeddedServer() {
        // equalsIgnoreCase for backward compatibility, can be removed later
        return !ClientSideProjectProperties.ProjectServer.EXTERNAL.name().equalsIgnoreCase(getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_SERVER));
    }

    @NbBundle.Messages({
        "# {0} - project name",
        "ClientSideProject.error.broken=Project {0} is broken, resolve project problems first."
    })
    public boolean isBroken(boolean showCustomizer) {
        boolean broken = getSourcesFolder() == null
                && getSiteRootFolder() == null;
        if (broken
                && showCustomizer) {
            NotifyDescriptor descriptor = new NotifyDescriptor.Message(
                    Bundle.ClientSideProject_error_broken(getName()), NotifyDescriptor.WARNING_MESSAGE);
            DialogDisplayer.getDefault().notify(descriptor);
            ProjectProblems.showCustomizer(this);
        }
        return broken;
    }

    public boolean isJsLibrary() {
        return getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_SITE_ROOT_FOLDER) == null;
    }

    public boolean isHtml5Project() {
        return !isJsLibrary();
    }

    @CheckForNull
    public FileObject getSourcesFolder() {
        String sourceFolder = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_SOURCE_FOLDER);
        if (sourceFolder == null) {
            return null;
        }
        if (sourceFolder.isEmpty()) {
            return getProjectDirectory();
        }
        return projectHelper.resolveFileObject(sourceFolder);
    }

    @CheckForNull
    public FileObject getSiteRootFolder() {
        String siteRootFolder = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_SITE_ROOT_FOLDER);
        if (siteRootFolder == null) {
            return null;
        }
        if (siteRootFolder.isEmpty()) {
            return getProjectDirectory();
        }
        return projectHelper.resolveFileObject(siteRootFolder);
    }

    @NbBundle.Messages({
        "# {0} - project name",
        "ClientSideProject.chooser.tests.title=Select Unit Tests folder ({0})",
        "ClientSideProject.props.saving=Saving project metadata...",
    })
    @CheckForNull
    public FileObject getTestsFolder(boolean showFileChooser) {
        String tests = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_TEST_FOLDER);
        if (tests == null || tests.trim().length() == 0) {
            if (showFileChooser) {
                final File folder = new FileChooserBuilder(ClientSideProject.class)
                        .setTitle(Bundle.ClientSideProject_chooser_tests_title(ProjectUtils.getInformation(this).getDisplayName()))
                        .setDirectoriesOnly(true)
                        .setDefaultWorkingDirectory(FileUtil.toFile(getProjectDirectory()))
                        .forceUseOfDefaultWorkingDirectory(true)
                        .showOpenDialog();
                if (folder != null) {
                    BaseProgressUtils.runOffEventDispatchThread(new Runnable() {
                        @Override
                        public void run() {
                            ClientSideProjectProperties projectProperties = new ClientSideProjectProperties(ClientSideProject.this);
                            projectProperties.setTestFolder(folder.getAbsolutePath());
                            projectProperties.save();
                        }
                    }, Bundle.ClientSideProject_props_saving(), new AtomicBoolean(), false);
                    FileObject fo = FileUtil.toFileObject(folder);
                    assert fo != null : "FileObject should be found for " + folder;
                    return fo;
                }
            }
            return null;
        }
        return getProjectDirectory().getFileObject(tests);
    }

    @NbBundle.Messages({
        "# {0} - project name",
        "ClientSideProject.chooser.tests.selenium.title=Select Selenium Tests folder ({0})",
    })
    @CheckForNull
    public FileObject getTestsSeleniumFolder(boolean showFileChooser) {
        String tests = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_TEST_SELENIUM_FOLDER);
        if (tests == null || tests.trim().length() == 0) {
            if (showFileChooser) {
                final File folder = new FileChooserBuilder(ClientSideProject.class)
                        .setTitle(Bundle.ClientSideProject_chooser_tests_selenium_title(ProjectUtils.getInformation(this).getDisplayName()))
                        .setDirectoriesOnly(true)
                        .setDefaultWorkingDirectory(FileUtil.toFile(getProjectDirectory()))
                        .forceUseOfDefaultWorkingDirectory(true)
                        .showOpenDialog();
                if (folder != null) {
                    BaseProgressUtils.runOffEventDispatchThread(new Runnable() {
                        @Override
                        public void run() {
                            ClientSideProjectProperties projectProperties = new ClientSideProjectProperties(ClientSideProject.this);
                            projectProperties.setTestSeleniumFolder(folder.getAbsolutePath());
                            projectProperties.save();
                        }
                    }, Bundle.ClientSideProject_props_saving(), new AtomicBoolean(), false);
                    FileObject fo = FileUtil.toFileObject(folder);
                    assert fo != null : "FileObject should be found for " + folder;
                    return fo;
                }
            }
            return null;
        }
        return getProjectDirectory().getFileObject(tests);
    }

    public String getStartFile() {
        String startFile = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_START_FILE);
        if (startFile == null) {
            startFile = "index.html"; // NOI18N
        }
        return startFile;
    }

    public String getSelectedBrowser() {
        String s = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_SELECTED_BROWSER);
        return s;
    }

    public String getWebContextRoot() {
        String ctx = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_WEB_ROOT);
        if (ctx == null) {
            ctx = "/"+getProjectDirectory().getName(); //NOI18N
        }
        if (!ctx.startsWith("/")) { //NOI18N
            ctx = "/" + ctx; //NOI18N
        }
        return ctx;
    }

    @CheckForNull
    public String getRunAs() {
        return getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_RUN_AS);
    }

    public boolean isRunBrowser() {
        String property = getEvaluator().getProperty(ClientSideProjectConstants.PROJECT_RUN_BROWSER);
        if (property == null) {
            return true;
        }
        return Boolean.parseBoolean(property);
    }

    public CommonProjectHelper getProjectHelper() {
        return projectHelper;
    }

    @Override
    public FileObject getProjectDirectory() {
        return getProjectHelper().getProjectDirectory();
    }

    @Override
    public Lookup getLookup() {
        return lookup;
    }

    public Values getEvaluator() {
        return eval;
    }

    public References getReferenceHelper() {
        return referenceHelper;
    }

    @CheckForNull
    public JsTestingProvider getJsTestingProvider(boolean showSelectionPanel) {
        return JsTestingProviders.getDefault().getJsTestingProvider(this, showSelectionPanel);
    }

    /**
     * @return list of enabled platform providers in this project
     */
    public List getPlatformProviders() {
        List allProviders = PlatformProviders.getDefault().getPlatformProviders();
        List enabledProviders = new ArrayList<>(allProviders.size());
        for (PlatformProvider provider : allProviders) {
            if (provider.isEnabled(this)) {
                enabledProviders.add(provider);
            }
        }
        return enabledProviders;
    }

    public String getName() {
        if (name == null) {
            ProjectManager.mutex().readAccess(new Mutex.Action() {
                @Override
                public Void run() {
                    Element data = projectHelper.getPrimaryConfigurationData(true);
                    NodeList nameList = data.getElementsByTagNameNS(ClientSideProjectType.PROJECT_CONFIGURATION_NAMESPACE, "name"); // NOI18N
                    if (nameList.getLength() == 1) {
                        nameList = nameList.item(0).getChildNodes();
                        if (nameList.getLength() == 1
                                && nameList.item(0).getNodeType() == Node.TEXT_NODE) {
                            name = ((Text) nameList.item(0)).getNodeValue();
                        }
                    }
                    if (name == null) {
                        name = getProjectDirectory().getNameExt();
                    }
                    return null;
                }
            });
        }
        assert name != null;
        return name;
    }

    public void setName(String name) {
        ClientSideProjectUtilities.setProjectName(projectHelper, name, true);
    }


    private Lookup createLookup(AuxiliaryConfiguration configuration, Object xmlSavedHook) {
        FileEncodingQueryImplementation fileEncodingQuery =
                new FileEncodingQueryImpl(getEvaluator(), ClientSideProjectConstants.PROJECT_ENCODING);
        Lookup base = Lookups.fixed(new Object[] {
               this,
               new Info(),
               xmlSavedHook,
               new ProjectOperations(this),
               ProjectSearchInfo.create(this),
               fileEncodingQuery,
               new ServerURLMappingImpl(this),
               configuration,
               projectHelper.createCacheDirectoryProvider(),
               projectHelper.createAuxiliaryProperties(),
               new ClientSideProjectLogicalView(this),
               new RecommendedAndPrivilegedTemplatesImpl(),
               new ClientSideProjectActionProvider(this),
               new OpenHookImpl(this),
               new CustomizerProviderImpl(this),
               //getBrowserSupport(),
               new ClassPathProviderImpl(this),
               new PageInspectorCustomizerImpl(this),
               new ProjectWebRootProviderImpl(),
               new ClientSideProjectSources(this, projectHelper, eval),
               new ClientSideModuleImpl(this),
               ProjectPropertiesProblemProvider.createForProject(this),
               CssPreprocessorsUI.getDefault().createProjectProblemsProvider(this),
               UILookupMergerSupport.createProjectProblemsProviderMerger(),
               new CreateFromTemplateAttributesImpl(projectHelper, fileEncodingQuery),
               SharabilityQueryImpl.create(projectHelper, eval, ClientSideProjectConstants.PROJECT_SITE_ROOT_FOLDER,
                    ClientSideProjectConstants.PROJECT_TEST_FOLDER),
               LookupProviderSupport.createSharabilityQueryMerger(),
               projectBrowserProvider,
               new ProjectDirectoriesProviderImpl(),
               new CoverageProviderImpl(this),
       });
       return LookupProviderSupport.createCompositeLookup(base, "Projects/org-netbeans-modules-web-clientproject/Lookup");
    }

    void recompileSources(CssPreprocessor cssPreprocessor) {
        assert cssPreprocessor != null;
        FileObject siteRootFolder = getSiteRootFolder();
        if (siteRootFolder == null) {
            return;
        }
        // force recompiling
        CssPreprocessors.getDefault().process(cssPreprocessor, this, siteRootFolder);
    }

    ClassPath getSourceClassPath() {
        if (sourcePath == null) {
            pathImpl = new ClassPathProviderImpl.PathImpl(this);
            sourcePath = ClassPathProviderImpl.createProjectClasspath(pathImpl);
        }
        return sourcePath;
    }

    private final class Info implements ProjectInformation {

        private final PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(this);


        @Override
        public String getName() {
            return is.getUsablePropertyName(getDisplayName());
        }

        @Override
        public String getDisplayName() {
            return ClientSideProject.this.getName();
        }

        @Override
        public Icon getIcon() {
            return new ImageIcon(ImageUtilities.loadImage(ClientSideProject.HTML5_PROJECT_ICON));
        }

        @Override
        public Project getProject() {
            return ClientSideProject.this;
        }

        @Override
        public void addPropertyChangeListener(PropertyChangeListener listener) {
            propertyChangeSupport.addPropertyChangeListener(listener);
        }

        @Override
        public void removePropertyChangeListener(PropertyChangeListener listener) {
            propertyChangeSupport.removePropertyChangeListener(listener);
        }

        void firePropertyChange(String prop) {
            propertyChangeSupport.firePropertyChange(prop , null, null);
        }

    }

    private static final class RecommendedAndPrivilegedTemplatesImpl implements RecommendedTemplates, PrivilegedTemplates {

        @Override
        public String[] getRecommendedTypes() {
            return new String[] {
                "html5",     // NOI18N
                "html5-test",     // NOI18N
                "selenium-types",
                "XML",                  // NOI18N
                "simple-files"          // NOI18N
            };
        }

        @Override
        public String[] getPrivilegedTemplates() {
            return new String[] {
                "Templates/ClientSide/html.html",            // NOI18N
                "Templates/ClientSide/javascript.js",            // NOI18N
                "Templates/ClientSide/css.css",            // NOI18N
                "Templates/ClientSide/style.scss",            // NOI18N
                "Templates/ClientSide/style.less",            // NOI18N
                "Templates/ClientSide/json.json",            // NOI18N
                "Templates/Other/org-netbeans-modules-project-ui-NewFileIterator-folderIterator", // NOI18N
            };
        }

    }

    private static class OpenHookImpl extends ProjectOpenedHook implements PropertyChangeListener {

        private final ClientSideProject project;
        private FileChangeListener siteRootChangesListener;

        // @GuardedBy("this")
        private File siteRootFolder;


        public OpenHookImpl(ClientSideProject project) {
            this.project = project;
        }

        @Override
        protected void projectOpened() {
            new ProjectUpgrader(project).upgrade();

            project.getEvaluator().addPropertyChangeListener(this);
            addSiteRootListener();
            GlobalPathRegistry.getDefault().register(ClassPathProviderImpl.SOURCE_CP, new ClassPath[]{project.getSourceClassPath()});
            String browserId = "";
            WebBrowser wb = project.getProjectWebBrowser();
            if (wb != null) {
                browserId = wb.getId();
            }
            CssPreprocessors.getDefault().addCssPreprocessorsListener(project.cssPreprocessorsListener);
            JsTestingProvider jsTestingProvider = project.getJsTestingProvider(false);
            if (jsTestingProvider != null) {
                jsTestingProvider.projectOpened(project);
            }
            PlatformProviders.getDefault().addPlatformProvidersListener(project.platformProvidersListener);
            PlatformProviders.getDefault().projectOpened(project);
            FileObject projectDirectory = project.getProjectDirectory();
            // autoconfigured?
            checkAutoconfigured();
            // usage logging
            FileObject testsFolder = project.getTestsFolder(false);
            FileObject testsSeleniumFolder = project.getTestsSeleniumFolder(false);

            boolean hasGrunt = projectDirectory.getFileObject("Gruntfile.js") != null; // NOI18N
            boolean hasBower = projectDirectory.getFileObject("bower.json") != null; // NOI18N
            boolean hasPackage = projectDirectory.getFileObject("package.json") != null; // NOI18N
            boolean hasGulp = projectDirectory.getFileObject("gulpfile.js") != null; // NOI18N
            ClientSideProjectUtilities.logUsage(ClientSideProject.class, "USG_PROJECT_HTML5_OPEN", // NOI18N
                    new Object[] {
                        browserId,
                        testsFolder != null && testsFolder.getChildren().length > 0 ? "YES" : "NO", // NOI18N
                        ClientSideProjectUtilities.isCordovaProject(project) ? "YES" : "NO", // NOI18N
                        hasGrunt ? "YES" : "NO", // NOI18N
                        hasBower ? "YES" : "NO", // NOI18N
                        hasPackage ? "YES" : "NO", // NOI18N
                        hasGulp ? "YES" : "NO", // NOI18N
                        testsSeleniumFolder != null && testsSeleniumFolder.getChildren().length > 0 ? "YES" : "NO", // NOI18N
                        StringUtilities.implode(getPlatformProviderNames(), "|"), // NOI18N
                    });
        }

        private List getPlatformProviderNames() {
            List platformProviders = project.getPlatformProviders();
            if (platformProviders.isEmpty()) {
                return Collections.emptyList();
            }
            List names = new ArrayList<>(platformProviders.size());
            for (PlatformProvider platformProvider : platformProviders) {
                names.add(platformProvider.getIdentifier());
            }
            return names;
        }

        @Override
        protected void projectClosed() {
            project.getEvaluator().removePropertyChangeListener(this);
            removeSiteRootListener();
            GlobalPathRegistry.getDefault().unregister(ClassPathProviderImpl.SOURCE_CP, new ClassPath[]{project.getSourceClassPath()});
            CssPreprocessors.getDefault().removeCssPreprocessorsListener(project.cssPreprocessorsListener);
            JsTestingProvider jsTestingProvider = project.getJsTestingProvider(false);
            if (jsTestingProvider != null) {
                jsTestingProvider.projectClosed(project);
            }
            PlatformProviders.getDefault().projectClosed(project);
            PlatformProviders.getDefault().removePlatformProvidersListener(project.platformProvidersListener);
            // browser
            ClientProjectEnhancedBrowserImplementation enhancedBrowserImpl = project.getEnhancedBrowserImpl();
            if (enhancedBrowserImpl != null) {
                enhancedBrowserImpl.close();
            }
        }

        private synchronized void addSiteRootListener() {
            assert siteRootFolder == null : "Should not be listening to " + siteRootFolder;
            FileObject siteRoot = project.getSiteRootFolder();
            if (siteRoot == null) {
                return;
            }
            siteRootFolder = FileUtil.toFile(siteRoot);
            if (siteRootFolder == null) {
                // should not happen
                LOGGER.log(Level.WARNING, "File not found for FileObject: {0}", siteRoot);
                return;
            }
            siteRootChangesListener = new SiteRootFolderListener(project);
            FileUtil.addRecursiveListener(siteRootChangesListener, siteRootFolder);
        }

        private synchronized void removeSiteRootListener() {
            if (siteRootFolder == null) {
                // no listener
                return;
            }
            try {
                FileUtil.removeRecursiveListener(siteRootChangesListener, siteRootFolder);
            } catch (IllegalArgumentException ex) {
                // #216349
                LOGGER.log(Level.INFO, null, ex);
            }
            siteRootFolder = null;
        }

        @Override
        public void propertyChange(PropertyChangeEvent evt) {
            // change in project properties
            if (ClientSideProjectConstants.PROJECT_SITE_ROOT_FOLDER.equals(evt.getPropertyName())) {
                synchronized (this) {
                    removeSiteRootListener();
                    addSiteRootListener();
                }
            }
        }

        @NbBundle.Messages({
            "# {0} - project name",
            "OpenHookImpl.notification.autoconfigured.title=Project {0} automatically configured",
            "OpenHookImpl.notification.autoconfigured.details=Review and correct important project settings detected by the IDE.",
        })
        private void checkAutoconfigured() {
            ClientSideProjectProperties projectProperties = new ClientSideProjectProperties(project);
            if (projectProperties.isAutoconfigured()) {
                NotificationDisplayer.getDefault().notify(
                        Bundle.OpenHookImpl_notification_autoconfigured_title(ProjectUtils.getInformation(project).getDisplayName()),
                        NotificationDisplayer.Priority.LOW.getIcon(),
                        Bundle.OpenHookImpl_notification_autoconfigured_details(),
                        new ActionListener() {
                            @Override
                            public void actionPerformed(ActionEvent e) {
                                project.getLookup().lookup(CustomizerProviderImpl.class)
                                        .showCustomizer(CompositePanelProviderImpl.SOURCES);
                            }
                        },
                        NotificationDisplayer.Priority.LOW);
                projectProperties.setAutoconfigured(false);
                projectProperties.save();
            }
        }

    }

    private static class SiteRootFolderListener implements FileChangeListener {

        private final ClientSideProject p;
        private final FileObject siteRootFolder;

        SiteRootFolderListener(ClientSideProject p) {
            this.p = p;
            siteRootFolder = p.getSiteRootFolder();
        }

        @Override
        public void fileFolderCreated(FileEvent fe) {
            checkPreprocessors(fe.getFile());
        }

        @Override
        public void fileDataCreated(FileEvent fe) {
            checkPreprocessors(fe.getFile());
        }

        @Override
        public void fileChanged(FileEvent fe) {
            RefreshOnSaveListener r = p.getRefreshOnSaveListener();
            if (r != null) {
                r.fileChanged(fe.getFile());
            }
            checkPreprocessors(fe.getFile());
        }

        @Override
        public void fileDeleted(FileEvent fe) {
            RefreshOnSaveListener r = p.getRefreshOnSaveListener();
            if (r != null) {
                r.fileDeleted(fe.getFile());
            }
            checkPreprocessors(fe.getFile());
        }

        @Override
        public void fileRenamed(FileRenameEvent fe) {
            // XXX: notify BrowserReload about filename change
            checkPreprocessors(fe.getFile(), fe.getName(), fe.getExt());

            if (fe.getFile().equals(siteRootFolder)) {
                final ClientSideProjectProperties projectProperties = new ClientSideProjectProperties(p);
                projectProperties.setSiteRootFolder(siteRootFolder.getNameExt());
                projectProperties.save();
            }

        }

        @Override
        public void fileAttributeChanged(FileAttributeEvent fe) {
        }

        private void checkPreprocessors(FileObject fileObject) {
            CssPreprocessors.getDefault().process(p, fileObject);
        }

        private void checkPreprocessors(FileObject fileObject, String originalName, String originalExtension) {
            CssPreprocessors.getDefault().process(p, fileObject, originalName, originalExtension);
        }

    }

    private final class ProjectWebRootProviderImpl implements ProjectWebRootProvider {

        @Override
        public FileObject getWebRoot(FileObject file) {
            FileObject siteRoot = getSiteRootFolder();
            if (siteRoot == null) {
                return null;
            }
            if (siteRoot.equals(file)
                    || FileUtil.isParentOf(siteRoot, file)) {
                return siteRoot;
            }
            return null;
        }

        @Override
        public Collection getWebRoots() {
            FileObject siteRoot = getSiteRootFolder();
            if (siteRoot == null) {
                return Collections.emptyList();
            }
            return Collections.singleton(siteRoot);
        }

    }

    private static final class ProjectSearchInfo extends SearchInfoDefinition {

        private static final Set WATCHED_PROPERTIES = new HashSet(Arrays.asList(
                ClientSideProjectConstants.PROJECT_SITE_ROOT_FOLDER,
                ClientSideProjectConstants.PROJECT_TEST_FOLDER));

        private final ClientSideProject project;
        // @GuardedBy("this")
        private SearchInfo delegate = null;


        public ProjectSearchInfo(ClientSideProject project) {
            this.project = project;
        }

        public static SearchInfoDefinition create(ClientSideProject project) {
            final ProjectSearchInfo searchInfo = new ProjectSearchInfo(project);
            project.getEvaluator().addPropertyChangeListener(new PropertyChangeListener() {
                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (WATCHED_PROPERTIES.contains(evt.getPropertyName())) {
                        searchInfo.resetDelegate();
                    }
                }
            });
            return searchInfo;
        }

        @Override
        public boolean canSearch() {
            return true;
        }

        @Override
        public Iterator filesToSearch(SearchScopeOptions options, SearchListener listener, AtomicBoolean terminated) {
            return getDelegate().getFilesToSearch(options, listener, terminated).iterator();
        }

        @Override
        public List getSearchRoots() {
            return getDelegate().getSearchRoots();
        }

        private synchronized SearchInfo getDelegate() {
            assert Thread.holdsLock(this);
            if (delegate == null) {
                delegate = createDelegate();
            }
            return delegate;
        }

        private SearchInfo createDelegate() {
            return SearchInfoUtils.createSearchInfoForRoots(getRoots(), true);
        }

        synchronized void resetDelegate() {
            assert Thread.holdsLock(this);
            delegate = null;
        }

        private FileObject[] getRoots() {
            List roots = new ArrayList<>();
            FileObject projectDir = project.getProjectDirectory();
            roots.add(projectDir);
            addRoots(roots, projectDir, project.getSourcesFolder(), project.getSiteRootFolder(), project.getTestsFolder(false), project.getTestsSeleniumFolder(false));
            return roots.toArray(new FileObject[0]);
        }

        /**
         * Add extra roots, skip the ones that are underneath the project
         * directory (already included in search).
         */
        private void addRoots(List result, FileObject projectDir, FileObject... roots) {
            for (FileObject root : roots) {
                if (root != null
                        && !FileUtil.isParentOf(projectDir, root)) {
                    result.add(root);
                }
            }
        }

    }

    private static final class ClientSideModuleImpl implements ClientSideModule {

        private final ClientSideProject project;


        public ClientSideModuleImpl(ClientSideProject project) {
            this.project = project;
        }

        @Override
        public Properties getProperties() {
            return new PropertiesImpl();
        }

        private final class PropertiesImpl implements ClientSideModule.Properties {

            @Override
            public FileObject getStartFile() {
                File startFile = getProjectProperties().getResolvedStartFile();
                if (startFile == null) {
                    return null;
                }
                return FileUtil.toFileObject(startFile);
            }

            @Override
            public String getWebContextRoot() {
                return getProjectProperties().getWebRoot();
            }

            private ClientSideProjectProperties getProjectProperties() {
                return new ClientSideProjectProperties(project);
            }

        }

    }

    private final class CallbackImpl implements CommonProjectHelper.Callback {
        @Override
        public void projectXmlSaved() throws IOException {
            Info info = getLookup().lookup(Info.class);
            assert info != null;
            info.firePropertyChange(ProjectInformation.PROP_NAME);
            info.firePropertyChange(ProjectInformation.PROP_DISPLAY_NAME);
        }

        @Override
        public void configurationXmlChanged() {
            final String oldName = getName();
            name = null;
            final String newName = getName();
            if (!Objects.equals(oldName, newName)) {
                // #10778
                RP.post(new Runnable() {
                    @Override
                    public void run() {
                        PlatformProviders.getDefault().notifyPropertyChanged(ClientSideProject.this,
                                new PropertyChangeEvent(ClientSideProject.this, PlatformProvider.PROP_PROJECT_NAME, oldName, newName));
                    }
                });
            }
        }

        @Override
        public void propertiesChanged() {
        }

    }

    private final class ProjectDirectoriesProviderImpl implements ProjectDirectoriesProvider {

        @Override
        public FileObject getTestDirectory(boolean showFileChooser) {
            return ClientSideProject.this.getTestsFolder(showFileChooser);
        }

        @Override
        public FileObject getTestSeleniumDirectory(boolean showFileChooser) {
            return ClientSideProject.this.getTestsSeleniumFolder(showFileChooser);
    }

    }

    private final class PlatformProvidersListenerImpl implements PlatformProvidersListener {

        @Override
        public void platformProvidersChanged() {
            // noop
        }

        @Override
        public void propertyChanged(Project project, PlatformProvider platformProvider, PropertyChangeEvent event) {
            if (ClientSideProject.this.equals(project)) {
                LOGGER.log(Level.FINE, "Processing platform provider event {0}", event);
                String propertyName = event.getPropertyName();
                if (propertyName == null) {
                    assert false : "No property name given";
                    return;
                }
                switch (propertyName) {
                    case PlatformProvider.PROP_ENABLED:
                        providerChanged(platformProvider, (Boolean) event.getNewValue());
                        break;
                    case PlatformProvider.PROP_SOURCE_ROOTS:
                        sourceRootsChanged();
                        break;
                    case PlatformProvider.PROP_RUN_CONFIGURATION:
                        runConfigurationChanged((String) event.getNewValue());
                        break;
                    case PlatformProvider.PROP_PROJECT_NAME:
                        projectNameChanged(platformProvider, (String) event.getNewValue());
                        break;
                    default:
                        assert false : "Unhandled property change: " + propertyName;
                }
            }
        }

        private void providerChanged(PlatformProvider platformProvider, boolean enabled) {
            // icon + name
            Info info = getLookup().lookup(Info.class);
            assert info != null;
            info.firePropertyChange(ProjectInformation.PROP_ICON);
            // classpath
            sourceRootsChanged();
            // run as
            if (!enabled) {
                verifyRunAs(platformProvider);
            }
        }

        private void sourceRootsChanged() {
            if (pathImpl != null) {
                pathImpl.fireRootsChanged();
            }
        }

        private void runConfigurationChanged(String runAs) {
            saveRunProperties(runAs, null);
        }

        private void verifyRunAs(PlatformProvider platformProvider) {
            String currentRunAs = getRunAs();
            if (currentRunAs == null) {
                // just browser => noop
                return;
            }
            for (CustomizerPanel customizerPanel : platformProvider.getRunCustomizerPanels(ClientSideProject.this)) {
                if (currentRunAs.equals(customizerPanel.getIdentifier())) {
                    // provider disabled => reset run config
                    saveRunProperties(null, true);
                    return;
                }
            }
        }

        @NbBundle.Messages({
            "# {0} - provider name",
            "# {1} - project name",
            "PlatformProvidersListenerImpl.sync.title={0} ({1})",
            "# {0} - project name",
            "PlatformProvidersListenerImpl.sync.name=Project name synced to {0}.",
        })
        private void projectNameChanged(PlatformProvider platformProvider, String newName) {
            if (StringUtilities.hasText(newName)
                    && !getName().equals(newName)) {
                setName(newName);
                NotificationDisplayer.getDefault().notify(
                        Bundle.PlatformProvidersListenerImpl_sync_title(platformProvider.getDisplayName(), newName),
                        NotificationDisplayer.Priority.LOW.getIcon(),
                        Bundle.PlatformProvidersListenerImpl_sync_name(newName),
                        null,
                        NotificationDisplayer.Priority.LOW);
            }
        }

        private void saveRunProperties(final String runAs, final Boolean runBrowser) {
            RequestProcessor.getDefault().post(new Runnable() {
                @Override
                public void run() {
                    ClientSideProjectProperties properties = new ClientSideProjectProperties(ClientSideProject.this);
                    properties.setRunAs(runAs);
                    properties.setProjectServer(runAs != null
                            ? ClientSideProjectProperties.ProjectServer.EXTERNAL : ClientSideProjectProperties.ProjectServer.INTERNAL);
                    if (runBrowser != null) {
                        properties.setRunBrowser(runBrowser);
                    }
                    properties.save();
                }
            });
        }

    }

}




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