org.napile.idea.thermit.config.actions.ThermitAntBuildFile.java Source code

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Here is the source code for org.napile.idea.thermit.config.actions.ThermitAntBuildFile.java

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/*
 * Copyright 2000-2009 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.napile.idea.thermit.config.actions;

import org.napile.idea.thermit.ThermitBundle;
import org.napile.idea.thermit.config.AntNoFileException;
import org.napile.idea.thermit.config.ThermitConfiguration;
import org.napile.idea.thermit.config.ThermitConfigurationBase;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.actionSystem.Presentation;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.wm.ToolWindowId;
import com.intellij.openapi.wm.ToolWindowManager;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.xml.XmlDocument;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.xml.XmlTag;

public class ThermitAntBuildFile extends AnAction {
    public void actionPerformed(AnActionEvent event) {
        DataContext dataContext = event.getDataContext();
        Project project = PlatformDataKeys.PROJECT.getData(dataContext);
        VirtualFile file = PlatformDataKeys.VIRTUAL_FILE.getData(dataContext);
        ThermitConfiguration thermitConfiguration = ThermitConfiguration.getInstance(project);
        try {
            thermitConfiguration.addBuildFile(file);
            ToolWindowManager.getInstance(project).getToolWindow(ToolWindowId.ANT_BUILD).activate(null);
        } catch (AntNoFileException e) {
            String message = e.getMessage();
            if (message == null || message.length() == 0) {
                message = ThermitBundle.message("cannot.add.build.files.from.excluded.directories.error.message",
                        e.getFile().getPresentableUrl());
            }

            Messages.showWarningDialog(project, message,
                    ThermitBundle.message("cannot.add.build.file.dialog.title"));
        }
    }

    public void update(AnActionEvent e) {
        final DataContext dataContext = e.getDataContext();
        final Presentation presentation = e.getPresentation();
        final Project project = PlatformDataKeys.PROJECT.getData(dataContext);
        if (project == null) {
            disable(presentation);
            return;
        }

        final VirtualFile file = PlatformDataKeys.VIRTUAL_FILE.getData(dataContext);
        if (file == null) {
            disable(presentation);
            return;
        }

        final PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
        if (!(psiFile instanceof XmlFile)) {
            disable(presentation);
            return;
        }

        final XmlFile xmlFile = (XmlFile) psiFile;
        final XmlDocument document = xmlFile.getDocument();
        if (document == null) {
            disable(presentation);
            return;
        }

        final XmlTag rootTag = document.getRootTag();
        if (rootTag == null) {
            disable(presentation);
            return;
        }

        if (!"project".equals(rootTag.getName())) {
            disable(presentation);
            return;
        }

        if (ThermitConfigurationBase.getInstance(project).getAntBuildFile(psiFile) != null) {
            disable(presentation);
            return;
        }

        enable(presentation);
    }

    private static void enable(Presentation presentation) {
        presentation.setEnabled(true);
        presentation.setVisible(true);
    }

    private static void disable(Presentation presentation) {
        presentation.setEnabled(false);
        presentation.setVisible(false);
    }
}