liveplugin.toolwindow.CreateRootFileAction.java Source code

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Here is the source code for liveplugin.toolwindow.CreateRootFileAction.java

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/*
 * 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 liveplugin.toolwindow;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.fileChooser.FileSystemTree;
import com.intellij.openapi.fileChooser.actions.FileChooserAction;
import com.intellij.openapi.fileChooser.ex.FileSystemTreeImpl;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.ui.UIBundle;
import liveplugin.LivePluginAppComponent;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import javax.swing.*;

class CreateRootFileAction extends FileChooserAction {
    private final String newFileName;
    private final String fileContent;
    private final FileType fileType;

    public CreateRootFileAction(String text, String newFileName, String fileContent, @Nullable Icon icon,
            @NotNull FileType fileType) {
        super(text, text, icon);
        this.newFileName = newFileName;
        this.fileContent = fileContent;
        this.fileType = fileType;
    }

    @Override
    protected void update(FileSystemTree fileSystemTree, AnActionEvent e) {
        boolean isAtPluginRoot = false;
        VirtualFile parentFile = fileSystemTree.getNewFileParent();
        if (parentFile != null) {
            isAtPluginRoot = LivePluginAppComponent.pluginIdToPathMap()
                    .containsValue(parentFile.getCanonicalPath());
        }

        boolean fileDoesNotExist = false;
        if (isAtPluginRoot) {
            fileDoesNotExist = (parentFile.findChild(newFileName) == null);
        }

        Presentation presentation = e.getPresentation();
        presentation.setVisible(isAtPluginRoot && fileDoesNotExist);
        presentation.setEnabled(isAtPluginRoot && fileDoesNotExist);
        presentation.setIcon(fileType.getIcon());
    }

    @Override
    protected void actionPerformed(FileSystemTree fileSystemTree, AnActionEvent e) {
        VirtualFile parentFile = fileSystemTree.getNewFileParent();

        //noinspection ThrowableResultOfMethodCallIgnored
        Exception failReason = ((FileSystemTreeImpl) fileSystemTree).createNewFile(parentFile, newFileName,
                fileType, fileContent);
        if (failReason != null) {
            String message = UIBundle.message("create.new.file.could.not.create.file.error.message", newFileName);
            String title = UIBundle.message("error.dialog.title");
            Messages.showMessageDialog(message, title, Messages.getErrorIcon());
        }
    }
}