ThermitSupport.java

/*
 * 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;

import javax.swing.SwingUtilities;

import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.napile.idea.thermit.dom.AntDomAntlib;
import org.napile.idea.thermit.dom.AntDomElement;
import org.napile.idea.thermit.dom.AntDomProject;
import com.intellij.codeInsight.daemon.DaemonCodeAnalyzer;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.impl.PsiModificationTrackerImpl;
import com.intellij.psi.xml.XmlFile;
import com.intellij.psi.xml.XmlTag;
import com.intellij.util.xml.ConvertContext;
import com.intellij.util.xml.DomElement;
import com.intellij.util.xml.DomFileElement;
import com.intellij.util.xml.DomManager;

public class ThermitSupport implements ApplicationComponent
{
	public ThermitSupport()
	{
	}

	@NotNull
	@NonNls
	public String getComponentName()
	{
		return "ThermitSupport";
	}

	public void initComponent()
	{
	}

	public void disposeComponent()
	{
	}

	public static void markFileAsAntFile(final VirtualFile file, final Project project, final boolean value)
	{
		if(file.isValid() && ForcedAntFileAttribute.isAntFile(file) != value)
		{
			ForcedAntFileAttribute.forceAntFile(file, value);
			((PsiModificationTrackerImpl) PsiManager.getInstance(project).getModificationTracker()).incCounter();
			restartDaemon(project);
		}
	}

	private static void restartDaemon(Project project)
	{
		final DaemonCodeAnalyzer daemon = DaemonCodeAnalyzer.getInstance(project);
		if(ApplicationManager.getApplication().isDispatchThread())
		{
			daemon.restart();
		}
		else
		{
			SwingUtilities.invokeLater(new Runnable()
			{
				public void run()
				{
					daemon.restart();
				}
			});
		}
	}


	//
	// Managing thermit files dependencies via the <import> task.
	//

	@Nullable
	public static AntDomProject getAntDomProject(PsiFile psiFile)
	{
		if(psiFile instanceof XmlFile)
		{
			final DomManager domManager = DomManager.getDomManager(psiFile.getProject());
			final DomFileElement<AntDomProject> fileElement = domManager.getFileElement((XmlFile) psiFile, AntDomProject.class);
			return fileElement != null ? fileElement.getRootElement() : null;
		}
		return null;
	}

	@Nullable
	public static AntDomProject getAntDomProjectForceAntFile(PsiFile psiFile)
	{
		if(psiFile instanceof XmlFile)
		{
			final DomManager domManager = DomManager.getDomManager(psiFile.getProject());
			DomFileElement<AntDomProject> fileElement = domManager.getFileElement((XmlFile) psiFile, AntDomProject.class);
			if(fileElement == null)
			{
				ForcedAntFileAttribute.forceAntFile(psiFile.getVirtualFile(), true);
				fileElement = domManager.getFileElement((XmlFile) psiFile, AntDomProject.class);
			}
			return fileElement != null ? fileElement.getRootElement() : null;
		}
		return null;
	}

	@Nullable
	public static AntDomAntlib getAntLib(PsiFile psiFile)
	{
		if(psiFile instanceof XmlFile)
		{
			final DomManager domManager = DomManager.getDomManager(psiFile.getProject());
			final DomFileElement<AntDomAntlib> fileElement = domManager.getFileElement((XmlFile) psiFile, AntDomAntlib.class);
			return fileElement != null ? fileElement.getRootElement() : null;
		}
		return null;
	}

	@Nullable
	public static AntDomElement getAntDomElement(XmlTag xmlTag)
	{
		final DomElement domElement = DomManager.getDomManager(xmlTag.getProject()).getDomElement(xmlTag);
		return domElement instanceof AntDomElement ? (AntDomElement) domElement : null;
	}

	@Nullable
	public static AntDomElement getInvocationAntDomElement(ConvertContext context)
	{
		return context.getInvocationElement().getParentOfType(AntDomElement.class, false);
	}
}