/*******************************************************************************
* Copyright (c) 2010 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.php.internal.ui;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.internal.core.ModelElement;
import org.eclipse.jface.text.IDocument;
import org.eclipse.php.internal.core.ast.nodes.AST;
import org.eclipse.php.internal.core.ast.nodes.ASTParser;
import org.eclipse.php.internal.core.ast.nodes.Include;
import org.eclipse.php.internal.core.ast.nodes.Program;
import org.eclipse.php.internal.ui.editor.PHPStructuredEditor;
import org.eclipse.php.internal.ui.preferences.includepath.IncludePathUtils;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.text.edits.TextEdit;
import org.eclipse.ui.IEditorPart;
import org.eclipse.wst.sse.ui.internal.FileDropAction;
/**
* Adds a DND capabilities for include statements
*/
public class FileDropEditorIncludeAction extends FileDropAction {
public FileDropEditorIncludeAction() {
}
public boolean run(DropTargetEvent event, IEditorPart targetEditor) {
if (!(targetEditor instanceof PHPStructuredEditor))
return super.run(event, targetEditor);
final String[] fileNames = (String[]) event.data;
if (fileNames == null || fileNames.length == 0) {
return false;
}
IModelElement editorElement = ((PHPStructuredEditor) targetEditor)
.getModelElement();
if (editorElement != null) {
ISourceModule sourceModule = ((ModelElement) editorElement)
.getSourceModule();
ASTParser parser = ASTParser.newParser(sourceModule);
Program program;
try {
program = parser.createAST(null);
program.recordModifications();
AST ast = program.getAST();
IDocument document = ((PHPStructuredEditor) targetEditor)
.getDocument();
for (int i = 0; i < fileNames.length; ++i) {
// resolve the relative path from include path
String relativeLocationFromIncludePath = getFileName(
fileNames[i], sourceModule);
if (relativeLocationFromIncludePath != null) {
Include include = ast.newInclude(ast.newScalar("'" //$NON-NLS-1$
+ relativeLocationFromIncludePath.toString()
+ "'"), Include.IT_REQUIRE_ONCE); //$NON-NLS-1$
program.statements().add(i,
ast.newExpressionStatement(include));
TextEdit edits = program.rewrite(document, null);
edits.apply(document);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
// return false means the following drop action will be executed.
return false;
}
/**
* @param sourceModule
* @return
*/
private String getFileName(String input, IModelElement sourceModule) {
final IFile fileForLocation = ResourcesPlugin.getWorkspace().getRoot()
.getFileForLocation(new Path(input));
if (fileForLocation == null) {
return null;
}
final IPath relativeLocationFromIncludePath = IncludePathUtils
.getRelativeLocationFromIncludePath(sourceModule
.getScriptProject(), DLTKCore.create(fileForLocation));
if (relativeLocationFromIncludePath.isEmpty()) {
return null;
}
return relativeLocationFromIncludePath.toString();
}
}