package edu.usc.cssl.tacit.cluster.hierarchical.ui;
import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.ScrolledComposite;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.PreferencesUtil;
import org.eclipse.ui.forms.IFormColors;
import org.eclipse.ui.forms.events.HyperlinkAdapter;
import org.eclipse.ui.forms.events.HyperlinkEvent;
import org.eclipse.ui.forms.events.IHyperlinkListener;
import org.eclipse.ui.forms.widgets.FormText;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Hyperlink;
import org.eclipse.ui.forms.widgets.ScrolledForm;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.part.ViewPart;
import edu.usc.cssl.tacit.cluster.hierarchical.services.HierarchicalClusterAnalysis;
import edu.usc.cssl.tacit.cluster.hierarchical.ui.internal.HeirarchicalClusterViewImageRegistry;
import edu.usc.cssl.tacit.cluster.hierarchical.ui.internal.IHeirarchicalClusterViewConstants;
import edu.usc.cssl.tacit.common.Preprocess;
import edu.usc.cssl.tacit.common.ui.composite.from.TacitFormComposite;
import edu.usc.cssl.tacit.common.ui.outputdata.OutputLayoutData;
import edu.usc.cssl.tacit.common.ui.outputdata.TableLayoutData;
import edu.usc.cssl.tacit.common.ui.validation.OutputPathValidation;
import edu.usc.cssl.tacit.common.ui.views.ConsoleView;
public class HierarchicalClusterView extends ViewPart implements
IHeirarchicalClusterViewConstants {
public static String ID = "edu.usc.cssl.tacit.cluster.hierarchical.ui.view1";
private ScrolledForm form;
private FormToolkit toolkit;
private Button preprocessEnabled;
private TableLayoutData layoutData;
private OutputLayoutData layoutOutputData;
private Button saveImage;
protected Job performCluster;
@Override
public void createPartControl(Composite parent) {
toolkit = createFormBodySection(parent);
Section section = toolkit.createSection(form.getBody(),
Section.TITLE_BAR | Section.EXPANDED);
GridDataFactory.fillDefaults().grab(true, false).span(3, 1)
.applyTo(section);
section.setExpanded(true);
String description = "This section gives details about Heirarchical clustering ";
FormText descriptionFrm = toolkit.createFormText(section, false);
descriptionFrm.setText("<form><p>" + description + "</p></form>", true,
false);
section.setDescriptionControl(descriptionFrm);
ScrolledComposite sc = new ScrolledComposite(section, SWT.H_SCROLL
| SWT.V_SCROLL);
sc.setExpandHorizontal(true);
sc.setExpandVertical(true);
GridLayoutFactory.fillDefaults().numColumns(3).equalWidth(false)
.applyTo(sc);
TacitFormComposite.addErrorPopup(form.getForm(), toolkit);
TacitFormComposite.createEmptyRow(toolkit, sc);
Composite client = toolkit.createComposite(form.getBody());
GridLayoutFactory.fillDefaults().equalWidth(true).numColumns(1)
.applyTo(client);
GridDataFactory.fillDefaults().grab(true, false).span(1, 1)
.applyTo(client);
GridLayout layout = new GridLayout();
layout.numColumns = 1;
layoutData = TacitFormComposite
.createTableSection(client, toolkit, layout, "Input Details",
"Add File(s) and Folder(s) to include in analysis.",
true, true);
Composite compInput;
compInput = layoutData.getSectionClient();
GridDataFactory.fillDefaults().grab(true, false).span(1, 1)
.applyTo(compInput);
createPreprocessLink(compInput);
Composite client1 = toolkit.createComposite(form.getBody());
GridLayoutFactory.fillDefaults().equalWidth(true).numColumns(1)
.applyTo(client1);
GridDataFactory.fillDefaults().grab(true, false).span(1, 1)
.applyTo(client1);
layoutOutputData = TacitFormComposite.createOutputSection(toolkit,
client1, form.getMessageManager());
// we dont need stop word's as it will be taken from the preprocessor
// settings
Composite output = layoutData.getSectionClient();
createAdditionalOptions(toolkit, output);
form.getForm().addMessageHyperlinkListener(new HyperlinkAdapter());
// form.setMessage("Invalid path", IMessageProvider.ERROR);
this.setPartName("Heirarchial Cluster");
addButtonsToToolBar();
toolkit.paintBordersFor(form.getBody());
}
@Override
public Object getAdapter(Class adapter) {
if (adapter == Job.class) {
return performCluster;
}
return super.getAdapter(adapter);
}
private void createPreprocessLink(Composite client) {
Composite clientLink = toolkit.createComposite(client);
GridLayoutFactory.fillDefaults().equalWidth(false).numColumns(2)
.applyTo(clientLink);
GridDataFactory.fillDefaults().grab(false, false).span(1, 1)
.applyTo(clientLink);
preprocessEnabled = toolkit.createButton(clientLink, "", SWT.CHECK);
GridDataFactory.fillDefaults().grab(false, false).span(1, 1)
.applyTo(preprocessEnabled);
final Hyperlink link = toolkit.createHyperlink(clientLink,
"Preprocess", SWT.NONE);
link.setForeground(toolkit.getColors().getColor(IFormColors.TITLE));
link.addHyperlinkListener(new IHyperlinkListener() {
public void linkEntered(HyperlinkEvent e) {
}
public void linkExited(HyperlinkEvent e) {
}
public void linkActivated(HyperlinkEvent e) {
String id = "edu.usc.cssl.tacit.common.ui.prepocessorsettings";
PreferencesUtil.createPreferenceDialogOn(link.getShell(), id,
new String[] { id }, null).open();
}
});
GridDataFactory.fillDefaults().grab(true, false).span(1, 1)
.applyTo(link);
}
private void createAdditionalOptions(FormToolkit toolkit, Composite output) {
Composite clientLink = toolkit.createComposite(output);
GridLayoutFactory.fillDefaults().equalWidth(false).numColumns(2)
.applyTo(clientLink);
GridDataFactory.fillDefaults().grab(false, false).span(1, 1)
.applyTo(clientLink);
saveImage = toolkit.createButton(clientLink, "Save Dendogram as Image",
SWT.CHECK);
GridDataFactory.fillDefaults().grab(false, false).applyTo(saveImage);
}
private FormToolkit createFormBodySection(Composite parent) {
FormToolkit toolkit = new FormToolkit(parent.getDisplay());
form = toolkit.createScrolledForm(parent);
toolkit.decorateFormHeading(form.getForm());
form.setText("Heirarchial Cluster"); //$NON-NLS-1$
GridLayoutFactory.fillDefaults().numColumns(1).equalWidth(true)
.applyTo(form.getBody());
return toolkit;
}
private void addButtonsToToolBar() {
IToolBarManager mgr = form.getToolBarManager();
mgr.add(new Action() {
@Override
public ImageDescriptor getImageDescriptor() {
return (HeirarchicalClusterViewImageRegistry
.getImageIconFactory()
.getImageDescriptor(IMAGE_LRUN_OBJ));
}
@Override
public String getToolTipText() {
return "Analyze";
}
public void run() {
final DateFormat df = new SimpleDateFormat("MM-dd-yy-HH-mm-ss");
final Date dateObj = new Date();
ConsoleView
.writeInConsoleHeader("Hierarchical clustering started "
+ (df.format(dateObj)));
final boolean isPreprocess = preprocessEnabled.getSelection();
final List<String> selectedFiles = layoutData
.getSelectedFiles();
final String outputPath = layoutOutputData.getOutputLabel()
.getText();
final boolean isSaveImage = saveImage.getSelection();
performCluster = new Job("Clustering...") {
private Preprocess preprocessTask;
private String dirPath;
@Override
protected IStatus run(IProgressMonitor monitor) {
TacitFormComposite.setConsoleViewInFocus();
TacitFormComposite.updateStatusMessage(
getViewSite(), null, null, form);
monitor.beginTask("TACIT started clustering...", 100);
preprocessTask = null;
dirPath = "";
List<File> inputFiles = new ArrayList<File>();
if (isPreprocess) {
monitor.subTask("Preprocessing...");
preprocessTask = new Preprocess(
"HierarchicalCluster");
try {
dirPath = preprocessTask.doPreprocessing(
selectedFiles, "");
File[] inputFile = new File(dirPath)
.listFiles();
for (File iFile : inputFile) {
inputFiles.add(iFile);
}
} catch (IOException e) {
e.printStackTrace();
}
} else {
for (String filepath : selectedFiles) {
if ((new File(filepath).isDirectory())) {
continue;
}
inputFiles.add(new File(filepath));
}
}
// Hierarchical processing
long startTime = System.currentTimeMillis();
HierarchicalClusterAnalysis.runClustering(inputFiles,
outputPath, isSaveImage,
new SubProgressMonitor(monitor, 50), dateObj);
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
if (isPreprocess && preprocessTask.doCleanUp()) {
preprocessTask.clean();
ConsoleView
.printlInConsoleln("Cleaning up preprocessed files - "
+ dirPath);
}
}
});
System.out
.println("Hierarchical Clustering completed successfully in "
+ (System.currentTimeMillis() - startTime)
+ " milliseconds.");
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
monitor.done();
TacitFormComposite.updateStatusMessage(
getViewSite(),
"CLustering is successfully Completed.",
IStatus.OK, form);
ConsoleView
.writeInConsoleHeader("<terminated> Hierarchical clustering "
+ (df.format(new Date())));
TacitFormComposite
.updateStatusMessage(getViewSite(),
"Hierarchical clustering completed",
IStatus.OK, form);
return Status.OK_STATUS;
}
};
performCluster.setUser(true);
if (canProceedCluster()) {
performCluster.schedule();
} else {
TacitFormComposite
.updateStatusMessage(
getViewSite(),
"CLustering cannot be started. Please check the Form status to correct the errors",
IStatus.ERROR, form);
}
}
});
Action helpAction = new Action() {
@Override
public ImageDescriptor getImageDescriptor() {
return (HeirarchicalClusterViewImageRegistry
.getImageIconFactory()
.getImageDescriptor(IMAGE_HELP_CO));
}
@Override
public String getToolTipText() {
return "Help";
}
@Override
public void run() {
PlatformUI
.getWorkbench()
.getHelpSystem()
.displayHelp(
"edu.usc.cssl.tacit.cluster.hierarchical.ui.hierarchical");
};
};
mgr.add(helpAction);
PlatformUI
.getWorkbench()
.getHelpSystem()
.setHelp(helpAction,
"edu.usc.cssl.tacit.cluster.hierarchical.ui.hierarchical");
PlatformUI
.getWorkbench()
.getHelpSystem()
.setHelp(form,
"edu.usc.cssl.tacit.cluster.hierarchical.ui.hierarchical");
form.getToolBarManager().update(true);
}
@Override
public void setFocus() {
form.setFocus();
}
private boolean canProceedCluster() {
TacitFormComposite.updateStatusMessage(getViewSite(), null, null, form);
boolean canProceed = true;
form.getMessageManager().removeMessage("location");
form.getMessageManager().removeMessage("input");
String message = OutputPathValidation.getInstance()
.validateOutputDirectory(
layoutOutputData.getOutputLabel().getText(), "Output");
if (message != null) {
message = layoutOutputData.getOutputLabel().getText() + " "
+ message;
form.getMessageManager().addMessage("location", message, null,
IMessageProvider.ERROR);
canProceed = false;
}
// check input
if (layoutData.getSelectedFiles().size() < 1) {
form.getMessageManager().addMessage("input",
"Select/Add atleast one input file", null,
IMessageProvider.ERROR);
canProceed = false;
}
return canProceed;
}
}