com.intellij.ide.actions.OpenProjectAction.java Source code

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Here is the source code for com.intellij.ide.actions.OpenProjectAction.java

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/*
 * Copyright 2000-2012 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.ide.actions;

import com.intellij.ide.IdeBundle;
import com.intellij.ide.impl.ProjectUtil;
import com.intellij.openapi.actionSystem.ActionPlaces;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.fileChooser.FileChooser;
import com.intellij.openapi.fileChooser.FileChooserDescriptor;
import com.intellij.openapi.fileChooser.PathChooserDialog;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VfsUtil;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.projectImport.ProjectOpenProcessor;
import com.intellij.projectImport.ProjectOpenProcessorBase;
import com.intellij.util.Consumer;

import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;

public class OpenProjectAction extends AnAction implements DumbAware {
    @Override
    public void actionPerformed(AnActionEvent e) {
        final FileChooserDescriptor descriptor = new OpenProjectFileChooserDescriptor(true);
        descriptor.setTitle(IdeBundle.message("title.open.project"));
        final Set<String> extensions = new LinkedHashSet<String>();
        for (ProjectOpenProcessor openProcessor : ProjectOpenProcessor.EXTENSION_POINT_NAME.getExtensions()) {
            if (openProcessor instanceof ProjectOpenProcessorBase) {
                final String[] supportedExtensions = ((ProjectOpenProcessorBase) openProcessor)
                        .getSupportedExtensions();
                if (supportedExtensions != null) {
                    Collections.addAll(extensions, supportedExtensions);
                }
            }
        }
        if (extensions.isEmpty()) {
            descriptor.setDescription(IdeBundle.message("filter.project.directories"));
        } else {
            descriptor.setDescription(IdeBundle.message("filter.project.files", StringUtil.join(extensions, ", ")));
        }
        VirtualFile userHomeDir = null;
        if (SystemInfo.isUnix) {
            userHomeDir = VfsUtil.getUserHomeDir();
        }

        descriptor.putUserData(PathChooserDialog.PREFER_LAST_OVER_EXPLICIT, Boolean.TRUE);

        final Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
        FileChooser.chooseFiles(descriptor, project, userHomeDir, new Consumer<List<VirtualFile>>() {
            @Override
            public void consume(final List<VirtualFile> files) {
                if (files.size() == 1) {
                    ProjectUtil.openOrImport(files.get(0).getPath(), project, false);
                }
            }
        });
    }

    @Override
    public void update(AnActionEvent e) {
        super.update(e);
        e.getPresentation().setVisible(ActionPlaces.WELCOME_SCREEN.equals(e.getPlace()));
    }
}