/*******************************************************************************
* Copyright (c) 2010 György Orosz.
* 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:
* György Orosz - initial API and implementation
******************************************************************************/
package org.erlide.wrangler.refactoring.codeinspection;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.ui.PlatformUI;
import org.erlide.util.ErlLogger;
import org.erlide.wrangler.refactoring.backend.internal.WranglerBackendManager;
import org.erlide.wrangler.refactoring.exception.WranglerException;
import org.erlide.wrangler.refactoring.selection.IErlSelection;
import org.erlide.wrangler.refactoring.util.GlobalParameters;
import com.abstratt.graphviz.GraphViz;
import com.ericsson.otp.erlang.OtpErlangBoolean;
/**
* This class is for handling commands which are from wrangler code inspection
* functionality, and result a graph.
*
* @author Gyorgy Orosz
*
*/
public class GraphResultingInspectionHandler extends AbstractHandler {
protected static final String CYCLYC_VIEW_ID = "cyclic";
protected static final String FUNCTION_CALL_GRAPH_VIEW_ID = "functioncallgraph";
protected static final String MODULE_GRAPH_VIEW_ID = "modulegraph";
protected static final String IMPROPER_DEPENDECIES_VIEW_ID = "improperdependecies";
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
final String actionId = event.getCommand().getId();
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage()
.getActiveEditor().setFocus();
try {
GlobalParameters.setSelection(PlatformUI.getWorkbench()
.getActiveWorkbenchWindow().getActivePage().getSelection());
} catch (final WranglerException e1) {
MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow()
.getShell(), "Error", e1.getMessage());
return null;
}
try {
final File tmpFile = File.createTempFile("wrangler_graph_", ".dot");
tmpFile.deleteOnExit();
final IErlSelection wranglerSelection = GlobalParameters
.getWranglerSelection();
if (actionId
.equals("org.erlide.wrangler.refactoring.codeinspection.cyclicdependencies")) {
final Boolean answer = MessageDialog.openQuestion(PlatformUI
.getWorkbench().getActiveWorkbenchWindow().getShell(), "Labels",
"Label edges with function names called?");
runInspection("Cyclic module dependency", CYCLYC_VIEW_ID,
"There is no cyclic dependent modules in the project!", tmpFile,
"cyclic_dependent_modules", "ssx", tmpFile.getAbsolutePath(),
wranglerSelection.getSearchPath(), new OtpErlangBoolean(answer));
} else if (actionId
.equals("org.erlide.wrangler.refactoring.codeinspection.generatefunctioncallgraph")) {
runInspection("Function callgraph", FUNCTION_CALL_GRAPH_VIEW_ID,
"There is no dependent functions in the module!", tmpFile,
"gen_function_callgraph", "sss", tmpFile.getAbsolutePath(),
wranglerSelection.getFilePath(),
wranglerSelection.getSearchPath());
} else if (actionId
.equals("org.erlide.wrangler.refactoring.codeinspection.generatemodulegraph")) {
final Boolean answer = MessageDialog.openQuestion(PlatformUI
.getWorkbench().getActiveWorkbenchWindow().getShell(), "Labels",
"Label edges with function names called?");
runInspection("Module dependency graph", MODULE_GRAPH_VIEW_ID,
"There is no dependent modules in the project!", tmpFile,
"gen_module_graph", "ssx", tmpFile.getAbsolutePath(),
wranglerSelection.getSearchPath(), new OtpErlangBoolean(answer));
} else if (actionId
.equals("org.erlide.wrangler.refactoring.codeinspection.improperdependecies")) {
runInspection("Improper module dependencies",
IMPROPER_DEPENDECIES_VIEW_ID,
"There is no improper module dependecies!", tmpFile,
"improper_inter_module_calls", "ss", tmpFile.getAbsolutePath(),
wranglerSelection.getSearchPath());
}
} catch (final Exception e) {
ErlLogger.error(e);
}
return event;
}
/**
* Run code inspection function, and shows the result in the workbench
*
* @param viewtTitle
* title of the view
* @param noResultMessage
* if there is no result, this message will be displayed
* @param tmpFile
* temp .dot file
* @param functionName
* function to call
* @param signature
* parameters signature
* @param parameters
* function parameters
*
*/
protected void runInspection(final String viewtTitle, final String secondaryID,
final String noResultMessage, final File tmpFile, final String functionName,
final String signature, final Object... parameters) {
try {
CodeInspectionViewsManager.hideView(CodeInspectionViewsManager.GRAPH_VIEW,
secondaryID);
final Boolean b = WranglerBackendManager.getRefactoringBackend()
.callSimpleInspection(functionName, signature, parameters);
if (b) {
final FileInputStream fis = new FileInputStream(tmpFile);
try {
if (fis.available() > 0) {
final Image img = GraphViz.load(fis, "png", new Point(0, 0));
CodeInspectionViewsManager.showDotImage(img, viewtTitle,
secondaryID, tmpFile);
} else {
MessageDialog.openInformation(GlobalParameters.getEditor()
.getSite().getShell(), viewtTitle, noResultMessage);
}
} finally {
fis.close();
}
} else {
MessageDialog.openError(
GlobalParameters.getEditor().getSite().getShell(),
"Internal error", "Internal error occured. Please report it!");
}
} catch (final IOException e) {
ErlLogger.error(e);
} catch (final CoreException e) {
ErlLogger.error(e);
} catch (final Exception e) {
ErlLogger.error(e);
}
}
}