ru.scratch.AddScratchAction.java Source code

Introduction

Here is the source code for ru.scratch.AddScratchAction.java

Source

/*
 * 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 ru.scratch;

import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.DumbAwareAction;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.ui.NonEmptyInputValidator;

import java.io.File;

/**
 * @author Vojtech Krasa
 */
public class AddScratchAction extends DumbAwareAction {
    private static final Logger LOG = Logger.getInstance(AddScratchAction.class);

    @Override
    public void actionPerformed(AnActionEvent event) {
        Project project = projectFor(event);

        String fileName = showInputDialog();
        if (fileName != null) {
            File file = ScratchComponent.createFile(fileName);
            ScratchComponent.openInEditor(project, file);
        }
    }

    private String showInputDialog() {
        String fileName = Messages.showInputDialog("File name:", "Create New Scratch", Messages.getQuestionIcon(),
                getDefaultName(), new NonEmptyInputValidator());
        return fileName;
    }

    private String getDefaultName() {
        String s = "scratch.txt";
        File file = new File(ScratchComponent.pluginsRootPath(), s);
        int i = 0;
        while (file.exists()) {
            s = "scratch" + ++i + ".txt";
            file = new File(ScratchComponent.pluginsRootPath(), s);
        }
        return s;
    }

    @Override
    public void update(AnActionEvent e) {
        e.getPresentation().setEnabled(projectFor(e) != null);
    }

    private static Project projectFor(AnActionEvent event) {
        return event.getData(PlatformDataKeys.PROJECT);
    }
}