com.intellij.lang.ant.config.actions.AddAntBuildFile.java Source code

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Here is the source code for com.intellij.lang.ant.config.actions.AddAntBuildFile.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 com.intellij.lang.ant.config.actions;

import com.intellij.lang.ant.AntBundle;
import com.intellij.lang.ant.config.AntConfiguration;
import com.intellij.lang.ant.config.AntConfigurationBase;
import com.intellij.lang.ant.config.AntNoFileException;
import com.intellij.openapi.actionSystem.*;
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 AddAntBuildFile extends AnAction {
    public void actionPerformed(AnActionEvent e) {
        Project project = e.getProject();
        VirtualFile file = e.getData(PlatformDataKeys.VIRTUAL_FILE);
        AntConfiguration antConfiguration = AntConfiguration.getInstance(project);
        try {
            antConfiguration.addBuildFile(file);
            ToolWindowManager.getInstance(project).getToolWindow(ToolWindowId.ANT_BUILD).activate(null);
        } catch (AntNoFileException ex) {
            String message = ex.getMessage();
            if (message == null || message.length() == 0) {
                message = AntBundle.message("cannot.add.build.files.from.excluded.directories.error.message",
                        ex.getFile().getPresentableUrl());
            }

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

    public void update(AnActionEvent e) {
        final Presentation presentation = e.getPresentation();
        final Project project = e.getProject();
        if (project == null) {
            disable(presentation);
            return;
        }

        final VirtualFile file = e.getData(PlatformDataKeys.VIRTUAL_FILE);
        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 (AntConfigurationBase.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);
    }
}