org.intellij.images.actions.EditExternallyAction.java Source code

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Here is the source code for org.intellij.images.actions.EditExternallyAction.java

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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 org.intellij.images.actions;

import com.intellij.execution.ExecutionException;
import com.intellij.execution.configurations.GeneralCommandLine;
import com.intellij.execution.util.ExecUtil;
import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.util.EnvironmentUtil;
import org.intellij.images.ImagesBundle;
import org.intellij.images.fileTypes.ImageFileTypeManager;
import org.intellij.images.options.Options;
import org.intellij.images.options.OptionsManager;
import org.intellij.images.options.impl.OptionsConfigurabe;

import java.io.File;
import java.util.Map;

/**
 * Open image file externally.
 *
 * @author <a href="mailto:aefimov.box@gmail.com">Alexey Efimov</a>
 */
public final class EditExternallyAction extends AnAction {
    public void actionPerformed(AnActionEvent e) {
        Project project = e.getData(CommonDataKeys.PROJECT);
        VirtualFile[] files = e.getData(PlatformDataKeys.VIRTUAL_FILE_ARRAY);
        Options options = OptionsManager.getInstance().getOptions();
        String executablePath = options.getExternalEditorOptions().getExecutablePath();
        if (StringUtil.isEmpty(executablePath)) {
            Messages.showErrorDialog(project, ImagesBundle.message("error.empty.external.editor.path"),
                    ImagesBundle.message("error.title.empty.external.editor.path"));
            OptionsConfigurabe.show(project);
        } else {
            if (files != null) {
                Map<String, String> env = EnvironmentUtil.getEnvironmentMap();
                for (String varName : env.keySet()) {
                    if (SystemInfo.isWindows) {
                        executablePath = StringUtil.replace(executablePath, "%" + varName + "%", env.get(varName),
                                true);
                    } else {
                        executablePath = StringUtil.replace(executablePath, "${" + varName + "}", env.get(varName),
                                false);
                    }
                }
                executablePath = FileUtil.toSystemDependentName(executablePath);
                File executable = new File(executablePath);
                GeneralCommandLine commandLine = new GeneralCommandLine();
                final String path = executable.exists() ? executable.getAbsolutePath() : executablePath;
                if (SystemInfo.isMac) {
                    commandLine.setExePath(ExecUtil.getOpenCommandPath());
                    commandLine.addParameter("-a");
                    commandLine.addParameter(path);
                } else {
                    commandLine.setExePath(path);
                }

                ImageFileTypeManager typeManager = ImageFileTypeManager.getInstance();
                for (VirtualFile file : files) {
                    if (file.isInLocalFileSystem() && typeManager.isImage(file)) {
                        commandLine.addParameter(VfsUtilCore.virtualToIoFile(file).getAbsolutePath());
                    }
                }
                commandLine.setWorkDirectory(new File(executablePath).getParentFile());

                try {
                    commandLine.createProcess();
                } catch (ExecutionException ex) {
                    Messages.showErrorDialog(project, ex.getLocalizedMessage(),
                            ImagesBundle.message("error.title.launching.external.editor"));
                    OptionsConfigurabe.show(project);
                }
            }
        }
    }

    public void update(AnActionEvent e) {
        super.update(e);

        doUpdate(e);
    }

    static void doUpdate(AnActionEvent e) {
        VirtualFile[] files = e.getData(PlatformDataKeys.VIRTUAL_FILE_ARRAY);
        final boolean isEnabled = isImages(files);
        if (e.getPlace().equals(ActionPlaces.PROJECT_VIEW_POPUP)) {
            e.getPresentation().setVisible(isEnabled);
        } else {
            e.getPresentation().setEnabled(isEnabled);
        }
    }

    private static boolean isImages(VirtualFile[] files) {
        boolean isImagesFound = false;
        if (files != null) {
            ImageFileTypeManager typeManager = ImageFileTypeManager.getInstance();
            for (VirtualFile file : files) {
                boolean isImage = typeManager.isImage(file);
                isImagesFound |= isImage;
                if (!file.isInLocalFileSystem() || !isImage) {
                    return false;
                }
            }
        }
        return isImagesFound;
    }
}