update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/wizards/ReviewPage.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.update.internal.ui.wizards;
 import java.net.URL;
 import java.util.ArrayList;

 import org.eclipse.core.runtime.*;
 import org.eclipse.jface.action.*;
 import org.eclipse.jface.dialogs.*;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.jface.wizard.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.dialogs.PropertyDialogAction;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.update.core.*;
 import org.eclipse.update.internal.operations.*;
 import org.eclipse.update.internal.ui.*;
 import org.eclipse.update.internal.ui.model.SimpleFeatureAdapter;
 import org.eclipse.update.internal.ui.parts.*;
 import org.eclipse.update.operations.*;
 import org.eclipse.update.search.IUpdateSearchResultCollector;

 public class ReviewPage
 	extends BannerPage
 	implements IUpdateSearchResultCollector {

 	private ArrayList jobs;
 	private Label counterLabel;
 	private CheckboxTableViewer tableViewer;
 	private IStatus validationStatus;
 	private PropertyDialogAction propertiesAction;
 	private Text descLabel;
 	private Button statusButton;
 	private Button moreInfoButton;
 	private Button propertiesButton;
 	private Button filterCheck;
 	private ContainmentFilter filter = new ContainmentFilter();
 	private SearchRunner searchRunner;
 	private int LABEL_ORDER = 1;
 	private int VERSION_ORDER = 1;
 	private int PROVIDER_ORDER = 1;
 	class JobsContentProvider
 		extends DefaultContentProvider
 		implements IStructuredContentProvider {

 		public Object[] getElements(Object inputElement) {
 			return jobs.toArray();
 		}
 	}

 	class JobsLabelProvider
 		extends LabelProvider
 		implements ITableLabelProvider {
 		public String getColumnText(Object obj, int column) {
 			IInstallFeatureOperation job = (IInstallFeatureOperation) obj;
 			IFeature feature = job.getFeature();

 			switch (column) {
 				case 0 :
 					return feature.getLabel();
 				case 1 :
 					return feature
 						.getVersionedIdentifier()
 						.getVersion()
 						.toString();
 				case 2 :
 					return feature.getProvider();
 			}
 			return ""; //$NON-NLS-1$
 		}
 		public Image getColumnImage(Object obj, int column) {
 			if (column == 0) {
 				IFeature feature = ((IInstallFeatureOperation) obj).getFeature();
 				boolean patch = feature.isPatch();
 				UpdateLabelProvider provider =
 					UpdateUI.getDefault().getLabelProvider();
 				if (patch)
 					return provider.get(UpdateUIImages.DESC_EFIX_OBJ);
 				else
 					return provider.get(UpdateUIImages.DESC_FEATURE_OBJ);
 			}
 			return null;
 		}
 	}

 	class ContainmentFilter extends ViewerFilter {
 		public boolean select(Viewer v, Object parent, Object child) {
 			return !isContained((IInstallFeatureOperation) child);
 		}
 		private boolean isContained(IInstallFeatureOperation job) {
 			VersionedIdentifier vid = job.getFeature().getVersionedIdentifier();

 			for (int i = 0; i < jobs.size(); i++) {
 				IInstallFeatureOperation candidate = (IInstallFeatureOperation) jobs.get(i);
 				if (candidate.equals(job))
 					continue;
 				IFeature feature = candidate.getFeature();
 				if (includes(feature, vid))
 					return true;
 			}
 			return false;
 		}
 		private boolean includes(IFeature feature, VersionedIdentifier vid) {
 			try {
 				IFeatureReference[] irefs =
 					feature.getIncludedFeatureReferences();
 				for (int i = 0; i < irefs.length; i++) {
 					IFeatureReference iref = irefs[i];
 					IFeature ifeature = iref.getFeature(null);
 					VersionedIdentifier ivid =
 						ifeature.getVersionedIdentifier();
 					if (ivid.equals(vid))
 						return true;
 					if (includes(ifeature, vid))
 						return true;
 				}
 			} catch (CoreException e) {
 			}
 			return false;
 		}
 	}

 	class FeaturePropertyDialogAction extends PropertyDialogAction {
 		private IStructuredSelection selection;

 		public FeaturePropertyDialogAction(
 			Shell shell,
 			ISelectionProvider provider) {
 			super(shell, provider);
 		}

 		public IStructuredSelection getStructuredSelection() {
 			return selection;
 		}

 		public void selectionChanged(IStructuredSelection selection) {
 			this.selection = selection;
 		}

 	}
 	/**
 	 * Constructor for ReviewPage2
 	 */
 	public ReviewPage(SearchRunner searchRunner, ArrayList jobs) {
 		super("Review"); //$NON-NLS-1$
 		setTitle(UpdateUI.getString("InstallWizard.ReviewPage.title")); //$NON-NLS-1$
 		setDescription(UpdateUI.getString("InstallWizard.ReviewPage.desc")); //$NON-NLS-1$
 		UpdateUI.getDefault().getLabelProvider().connect(this);
 		this.searchRunner = searchRunner;
 		setBannerVisible(false);
 		this.jobs = jobs;
 		if (this.jobs==null) this.jobs = new ArrayList();
 	}

 	public void dispose() {
 		UpdateUI.getDefault().getLabelProvider().disconnect(this);
 		super.dispose();
 	}

 	public void setVisible(boolean visible) {
 		super.setVisible(visible);
 		if (visible && searchRunner.isNewSearchNeeded()) {
 			jobs.clear();
 			tableViewer.refresh();
 			getShell().getDisplay().asyncExec(new Runnable() {
 				public void run() {
 					searchRunner.runSearch();
 					performPostSearchProcessing();
 				}
 			});
 		}
 	}

 	private void performPostSearchProcessing() {
 		BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
 			public void run() {
 				if (tableViewer != null) {
 					tableViewer.refresh();
 					tableViewer.getTable().layout(true);
 					if (searchRunner.getSearchProvider() instanceof ModeSelectionPage) {
 						selectTrueUpdates();
 					}
 				}
 				pageChanged();
 			}
 		});
 	}

 	private void selectTrueUpdates() {
 		ArrayList trueUpdates = new ArrayList();
 		for (int i=0; i<jobs.size(); i++) {
 			IInstallFeatureOperation job = (IInstallFeatureOperation)jobs.get(i);
 			if (!UpdateUtils.isPatch(job.getFeature()))
 				trueUpdates.add(job);
 		}
 		tableViewer.setCheckedElements(trueUpdates.toArray());
 	}

 	/**
 	 * @see DialogPage#createControl(Composite)
 	 */
 	public Control createContents(Composite parent) {
 		Composite client = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		layout.marginWidth = layout.marginHeight = 0;
 		client.setLayout(layout);
 		Label label = new Label(client, SWT.NULL);
 		label.setText(UpdateUI.getString("InstallWizard.ReviewPage.label")); //$NON-NLS-1$
 		GridData gd = new GridData();
 		gd.horizontalSpan = 2;
 		label.setLayoutData(gd);

 		createTable(client);

 		Composite buttonContainer = new Composite(client, SWT.NULL);
 		gd = new GridData(GridData.FILL_VERTICAL);
 		buttonContainer.setLayoutData(gd);
 		layout = new GridLayout();
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		buttonContainer.setLayout(layout);

 		Button button = new Button(buttonContainer, SWT.PUSH);
 		button.setText(UpdateUI.getString("InstallWizard.ReviewPage.selectAll")); //$NON-NLS-1$
 		gd =
 			new GridData(
 				GridData.HORIZONTAL_ALIGN_FILL
 					| GridData.VERTICAL_ALIGN_BEGINNING);
 		button.setLayoutData(gd);
 		SWTUtil.setButtonDimensionHint(button);
 		button.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleSelectAll(true);
 			}
 		});

 		button = new Button(buttonContainer, SWT.PUSH);
 		button.setText(UpdateUI.getString("InstallWizard.ReviewPage.deselectAll")); //$NON-NLS-1$
 		gd =
 			new GridData(
 				GridData.HORIZONTAL_ALIGN_FILL
 					| GridData.VERTICAL_ALIGN_BEGINNING);
 		button.setLayoutData(gd);
 		SWTUtil.setButtonDimensionHint(button);
 		button.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleSelectAll(false);
 			}
 		});

 		moreInfoButton = new Button(buttonContainer, SWT.PUSH);
 		moreInfoButton.setText(UpdateUI.getString("InstallWizard.ReviewPage.moreInfo")); //$NON-NLS-1$
 		gd =
 			new GridData(
 				GridData.HORIZONTAL_ALIGN_FILL
 					| GridData.VERTICAL_ALIGN_BEGINNING);
 		moreInfoButton.setLayoutData(gd);
 		SWTUtil.setButtonDimensionHint(moreInfoButton);
 		moreInfoButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleMoreInfo();
 			}
 		});
 		moreInfoButton.setEnabled(false);


 		propertiesButton = new Button(buttonContainer, SWT.PUSH);
 		propertiesButton.setText(UpdateUI.getString("InstallWizard.ReviewPage.properties")); //$NON-NLS-1$
 		gd =
 			new GridData(
 				GridData.HORIZONTAL_ALIGN_FILL
 					| GridData.VERTICAL_ALIGN_BEGINNING);
 		propertiesButton.setLayoutData(gd);
 		SWTUtil.setButtonDimensionHint(propertiesButton);
 		propertiesButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleProperties();
 			}
 		});
 		propertiesButton.setEnabled(false);

 		statusButton = new Button(buttonContainer, SWT.PUSH);
 		statusButton.setText(UpdateUI.getString("InstallWizard.ReviewPage.showStatus")); //$NON-NLS-1$
 		gd =
 			new GridData(
 				GridData.HORIZONTAL_ALIGN_FILL
 					| GridData.VERTICAL_ALIGN_BEGINNING);
 		statusButton.setLayoutData(gd);
 		SWTUtil.setButtonDimensionHint(statusButton);
 		statusButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				showStatus();
 			}
 		});

 		descLabel = new Text(client, SWT.WRAP);
 		descLabel.setEditable(false);
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd.horizontalSpan = 2;
 		descLabel.setLayoutData(gd);

 		counterLabel = new Label(client, SWT.NULL);
 		gd = new GridData();
 		gd.horizontalSpan = 2;
 		counterLabel.setLayoutData(gd);

 		filterCheck = new Button(client, SWT.CHECK);
 		filterCheck.setText(UpdateUI.getString("InstallWizard.ReviewPage.filter")); //$NON-NLS-1$
 		filterCheck.setSelection(true);
 		tableViewer.addFilter(filter);
 		filterCheck.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (filterCheck.getSelection())
 					tableViewer.addFilter(filter);
 				else
 					tableViewer.removeFilter(filter);
 				pageChanged();
 			}
 		});
 		gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
 		gd.horizontalSpan = 2;
 		filterCheck.setLayoutData(gd);
 		pageChanged();

 		WorkbenchHelp.setHelp(client, "org.eclipse.update.ui.MultiReviewPage2"); //$NON-NLS-1$

 		Dialog.applyDialogFont(parent);

 		return client;
 	}

 	private Control createTable(Composite parent) {
 		tableViewer =
 			CheckboxTableViewer.newCheckList(
 				parent,
 				SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
 		Table table = tableViewer.getTable();
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		gd.widthHint = 250;
 		table.setLayoutData(gd);

 		table.setHeaderVisible(true);

 		TableColumn column = new TableColumn(table, SWT.NULL);
 		column.setText(UpdateUI.getString("InstallWizard.ReviewPage.feature")); //$NON-NLS-1$
 		column.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				LABEL_ORDER *= -1;
 				tableViewer.setSorter(
 					new FeatureSorter(
 						FeatureSorter.FEATURE_LABEL,
 						LABEL_ORDER,
 						VERSION_ORDER,
 						PROVIDER_ORDER));
 			}
 		});

 		column = new TableColumn(table, SWT.NULL);
 		column.setText(UpdateUI.getString("InstallWizard.ReviewPage.version")); //$NON-NLS-1$
 		column.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				VERSION_ORDER *= -1;
 				tableViewer.setSorter(
 					new FeatureSorter(
 						FeatureSorter.FEATURE_VERSION,
 						LABEL_ORDER,
 						VERSION_ORDER,
 						PROVIDER_ORDER));
 			}
 		});

 		column = new TableColumn(table, SWT.NULL);
 		column.setText(UpdateUI.getString("InstallWizard.ReviewPage.provider")); //$NON-NLS-1$
 		column.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				PROVIDER_ORDER *= -1;
 				tableViewer.setSorter(
 					new FeatureSorter(
 						FeatureSorter.FEATURE_PROVIDER,
 						LABEL_ORDER,
 						VERSION_ORDER,
 						PROVIDER_ORDER));
 			}
 		});

 		TableLayout layout = new TableLayout();
 		layout.addColumnData(new ColumnWeightData(80, 225, true));
 		layout.addColumnData(new ColumnWeightData(30, 80));
 		layout.addColumnData(new ColumnWeightData(100, 140, true));

 		table.setLayout(layout);

 		tableViewer.setContentProvider(new JobsContentProvider());
 		tableViewer.setLabelProvider(new JobsLabelProvider());
 		tableViewer.addCheckStateListener(new ICheckStateListener() {
 			public void checkStateChanged(CheckStateChangedEvent event) {
 				tableViewer
 					.getControl()
 					.getDisplay()
 					.asyncExec(new Runnable() {
 					public void run() {
 						pageChanged();
 					}
 				});
 			}
 		});

 		tableViewer
 			.addSelectionChangedListener(new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent e) {
 				jobSelected((IStructuredSelection) e.getSelection());
 			}
 		});

 		tableViewer.addDoubleClickListener(new IDoubleClickListener() {
 			public void doubleClick(DoubleClickEvent event) {
 				handleProperties();
 			}
 		});
 		tableViewer.setSorter(new FeatureSorter());
 		MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
 		menuMgr.setRemoveAllWhenShown(true);
 		menuMgr.addMenuListener(new IMenuListener() {
 			public void menuAboutToShow(IMenuManager manager) {
 				fillContextMenu(manager);
 			}
 		});
 		table.setMenu(menuMgr.createContextMenu(table));

 		tableViewer.setInput(UpdateUI.getDefault().getUpdateModel());
 		tableViewer.setAllChecked(true);
 		return table;
 	}

 	private void fillContextMenu(IMenuManager manager) {
 		if (tableViewer.getSelection().isEmpty()) return;
 		Action action = new Action(UpdateUI.getString("InstallWizard.ReviewPage.prop")) { //$NON-NLS-1$
 			public void run() {
 				handleProperties();
 			}
 		};
 		manager.add(action);
 	}

 	public void accept(final IFeature feature) {
 		getShell().getDisplay().syncExec(new Runnable() {
 			public void run() {
 				IInstallFeatureOperation job = OperationsManager.getOperationFactory().createInstallOperation(null, null, feature,null, null, null);
 				ViewerFilter[] filters = tableViewer.getFilters();
 				boolean visible = true;

 				for (int i = 0; i < filters.length; i++) {
 					ViewerFilter filter = filters[i];
 					if (!filter.select(tableViewer, null, job)) {
 						visible = false;
 						break;
 					}
 				}
 				if (visible) {
 					tableViewer.add(job);
 					updateItemCount(0, -1);
 				}
 				jobs.add(job);
 			}
 		});
 	}

 	private void jobSelected(IStructuredSelection selection) {
 		IInstallFeatureOperation job = (IInstallFeatureOperation) selection.getFirstElement();
 		IFeature feature = job != null ? job.getFeature() : null;
 		IURLEntry descEntry = feature != null ? feature.getDescription() : null;
 		String desc = null;
 		if (descEntry != null)
 			desc = descEntry.getAnnotation();
 		if (desc == null)
 			desc = ""; //$NON-NLS-1$
 		descLabel.setText(desc);
 		propertiesButton.setEnabled(feature != null);
 		moreInfoButton.setEnabled(job != null && getMoreInfoURL(job) != null);
 	}

 	private void pageChanged() {
 		Object[] checked = tableViewer.getCheckedElements();
 		int totalCount = tableViewer.getTable().getItemCount();
 		updateItemCount(checked.length, totalCount);
 		if (checked.length > 0) {
 			validateSelection();
 		} else {
 			setErrorMessage(null);
 			setPageComplete(false);
 			validationStatus = null;
 		}
 		statusButton.setEnabled(validationStatus != null);
 	}

 	private void updateItemCount(int checkedCount, int totalCount) {
 		if (checkedCount == -1) {
 			Object[] checkedElements = tableViewer.getCheckedElements();
 			checkedCount = checkedElements.length;
 		}
 		if (totalCount == -1) {
 			totalCount = tableViewer.getTable().getItemCount();
 		}
 		String total = "" + totalCount; //$NON-NLS-1$
 		String selected = "" + checkedCount; //$NON-NLS-1$
 		counterLabel.setText(
 			UpdateUI.getFormattedMessage(
 				"InstallWizard.ReviewPage.counter", //$NON-NLS-1$
 				new String[] { selected, total }));
 		counterLabel.getParent().layout();
 	}

 	private void handleSelectAll(boolean select) {
 		tableViewer.setAllChecked(select);
 		tableViewer.getControl().getDisplay().asyncExec(new Runnable() {
 			public void run() {
 				pageChanged();
 			}
 		});
 	}

 	private void handleProperties() {
 		final IStructuredSelection selection =
 			(IStructuredSelection) tableViewer.getSelection();

 		final IInstallFeatureOperation job =
 			(IInstallFeatureOperation) selection.getFirstElement();
 		if (propertiesAction == null) {
 			propertiesAction =
 				new FeaturePropertyDialogAction(getShell(), tableViewer);
 		}

 		BusyIndicator
 			.showWhile(tableViewer.getControl().getDisplay(), new Runnable() {
 			public void run() {
 				SimpleFeatureAdapter adapter =
 					new SimpleFeatureAdapter(job.getFeature());
 				propertiesAction.selectionChanged(
 					new StructuredSelection(adapter));
 				propertiesAction.run();
 			}
 		});
 	}

 	private String getMoreInfoURL(IInstallFeatureOperation job) {
 		IURLEntry desc = job.getFeature().getDescription();
 		if (desc != null) {
 			URL url = desc.getURL();
 			return (url == null) ? null : url.toString();
 		}
 		return null;
 	}

 	private void handleMoreInfo() {
 		IStructuredSelection selection =
 			(IStructuredSelection) tableViewer.getSelection();
 		final IInstallFeatureOperation selectedJob =
 			(IInstallFeatureOperation) selection.getFirstElement();
 		BusyIndicator
 			.showWhile(tableViewer.getControl().getDisplay(), new Runnable() {
 			public void run() {
 				String urlName = getMoreInfoURL(selectedJob);
 				UpdateUI.showURL(urlName);
 			}
 		});
 	}

 	public IInstallFeatureOperation[] getSelectedJobs() {
 		Object[] selected = tableViewer.getCheckedElements();
 		IInstallFeatureOperation[] result = new IInstallFeatureOperation[selected.length];
 		System.arraycopy(selected, 0, result, 0, selected.length);
 		return result;
 	}

 	public void validateSelection() {
 		IInstallFeatureOperation[] jobs = getSelectedJobs();
 		validationStatus =
 			OperationsManager.getValidator().validatePendingChanges(jobs);
 		setPageComplete(validationStatus == null || validationStatus.getCode() == IStatus.WARNING);

 		if (validationStatus == null) {
 			setErrorMessage(null);
 		} else if (validationStatus.getCode() == IStatus.WARNING) {
 			setErrorMessage(null);
 			setMessage(validationStatus.getMessage(), IMessageProvider.WARNING);
 		} else {
 			setErrorMessage(UpdateUI.getString("InstallWizard.ReviewPage.invalid.long")); //$NON-NLS-1$
 		}
 	}

 	private void showStatus() {
 		if (validationStatus != null) {
 			ErrorDialog.openError(
 				UpdateUI.getActiveWorkbenchShell(),
 				UpdateUI.getString("InstallWizard.ReviewPage.invalid.short"), //$NON-NLS-1$
 				null,
 				validationStatus);
 		}
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.update.internal.ui.wizards;
	import java.net.URL;
	import java.util.ArrayList;

	import org.eclipse.core.runtime.*;
	import org.eclipse.jface.action.*;
	import org.eclipse.jface.dialogs.*;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.jface.wizard.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.dialogs.PropertyDialogAction;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.update.core.*;
	import org.eclipse.update.internal.operations.*;
	import org.eclipse.update.internal.ui.*;
	import org.eclipse.update.internal.ui.model.SimpleFeatureAdapter;
	import org.eclipse.update.internal.ui.parts.*;
	import org.eclipse.update.operations.*;
	import org.eclipse.update.search.IUpdateSearchResultCollector;

	public class ReviewPage
	extends BannerPage
	implements IUpdateSearchResultCollector {

	private ArrayList jobs;
	private Label counterLabel;
	private CheckboxTableViewer tableViewer;
	private IStatus validationStatus;
	private PropertyDialogAction propertiesAction;
	private Text descLabel;
	private Button statusButton;
	private Button moreInfoButton;
	private Button propertiesButton;
	private Button filterCheck;
	private ContainmentFilter filter = new ContainmentFilter();
	private SearchRunner searchRunner;
	private int LABEL_ORDER = 1;
	private int VERSION_ORDER = 1;
	private int PROVIDER_ORDER = 1;
	class JobsContentProvider
	extends DefaultContentProvider
	implements IStructuredContentProvider {

	public Object[] getElements(Object inputElement) {
	return jobs.toArray();
	}
	}

	class JobsLabelProvider
	extends LabelProvider
	implements ITableLabelProvider {
	public String getColumnText(Object obj, int column) {
	IInstallFeatureOperation job = (IInstallFeatureOperation) obj;
	IFeature feature = job.getFeature();

	switch (column) {
	case 0 :
	return feature.getLabel();
	case 1 :
	return feature
	.getVersionedIdentifier()
	.getVersion()
	.toString();
	case 2 :
	return feature.getProvider();
	}
	return ""; //$NON-NLS-1$
	}
	public Image getColumnImage(Object obj, int column) {
	if (column == 0) {
	IFeature feature = ((IInstallFeatureOperation) obj).getFeature();
	boolean patch = feature.isPatch();
	UpdateLabelProvider provider =
	UpdateUI.getDefault().getLabelProvider();
	if (patch)
	return provider.get(UpdateUIImages.DESC_EFIX_OBJ);
	else
	return provider.get(UpdateUIImages.DESC_FEATURE_OBJ);
	}
	return null;
	}
	}

	class ContainmentFilter extends ViewerFilter {
	public boolean select(Viewer v, Object parent, Object child) {
	return !isContained((IInstallFeatureOperation) child);
	}
	private boolean isContained(IInstallFeatureOperation job) {
	VersionedIdentifier vid = job.getFeature().getVersionedIdentifier();

	for (int i = 0; i < jobs.size(); i++) {
	IInstallFeatureOperation candidate = (IInstallFeatureOperation) jobs.get(i);
	if (candidate.equals(job))
	continue;
	IFeature feature = candidate.getFeature();
	if (includes(feature, vid))
	return true;
	}
	return false;
	}
	private boolean includes(IFeature feature, VersionedIdentifier vid) {
	try {
	IFeatureReference[] irefs =
	feature.getIncludedFeatureReferences();
	for (int i = 0; i < irefs.length; i++) {
	IFeatureReference iref = irefs[i];
	IFeature ifeature = iref.getFeature(null);
	VersionedIdentifier ivid =
	ifeature.getVersionedIdentifier();
	if (ivid.equals(vid))
	return true;
	if (includes(ifeature, vid))
	return true;
	}
	} catch (CoreException e) {
	}
	return false;
	}
	}

	class FeaturePropertyDialogAction extends PropertyDialogAction {
	private IStructuredSelection selection;

	public FeaturePropertyDialogAction(
	Shell shell,
	ISelectionProvider provider) {
	super(shell, provider);
	}

	public IStructuredSelection getStructuredSelection() {
	return selection;
	}

	public void selectionChanged(IStructuredSelection selection) {
	this.selection = selection;
	}

	}
	/**
	* Constructor for ReviewPage2
	*/
	public ReviewPage(SearchRunner searchRunner, ArrayList jobs) {
	super("Review"); //$NON-NLS-1$
	setTitle(UpdateUI.getString("InstallWizard.ReviewPage.title")); //$NON-NLS-1$
	setDescription(UpdateUI.getString("InstallWizard.ReviewPage.desc")); //$NON-NLS-1$
	UpdateUI.getDefault().getLabelProvider().connect(this);
	this.searchRunner = searchRunner;
	setBannerVisible(false);
	this.jobs = jobs;
	if (this.jobs==null) this.jobs = new ArrayList();
	}

	public void dispose() {
	UpdateUI.getDefault().getLabelProvider().disconnect(this);
	super.dispose();
	}

	public void setVisible(boolean visible) {
	super.setVisible(visible);
	if (visible && searchRunner.isNewSearchNeeded()) {
	jobs.clear();
	tableViewer.refresh();
	getShell().getDisplay().asyncExec(new Runnable() {
	public void run() {
	searchRunner.runSearch();
	performPostSearchProcessing();
	}
	});
	}
	}

	private void performPostSearchProcessing() {
	BusyIndicator.showWhile(getShell().getDisplay(), new Runnable() {
	public void run() {
	if (tableViewer != null) {
	tableViewer.refresh();
	tableViewer.getTable().layout(true);
	if (searchRunner.getSearchProvider() instanceof ModeSelectionPage) {
	selectTrueUpdates();
	}
	}
	pageChanged();
	}
	});
	}

	private void selectTrueUpdates() {
	ArrayList trueUpdates = new ArrayList();
	for (int i=0; i<jobs.size(); i++) {
	IInstallFeatureOperation job = (IInstallFeatureOperation)jobs.get(i);
	if (!UpdateUtils.isPatch(job.getFeature()))
	trueUpdates.add(job);
	}
	tableViewer.setCheckedElements(trueUpdates.toArray());
	}

	/**
	* @see DialogPage#createControl(Composite)
	*/
	public Control createContents(Composite parent) {
	Composite client = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	layout.marginWidth = layout.marginHeight = 0;
	client.setLayout(layout);
	Label label = new Label(client, SWT.NULL);
	label.setText(UpdateUI.getString("InstallWizard.ReviewPage.label")); //$NON-NLS-1$
	GridData gd = new GridData();
	gd.horizontalSpan = 2;
	label.setLayoutData(gd);

	createTable(client);

	Composite buttonContainer = new Composite(client, SWT.NULL);
	gd = new GridData(GridData.FILL_VERTICAL);
	buttonContainer.setLayoutData(gd);
	layout = new GridLayout();
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	buttonContainer.setLayout(layout);

	Button button = new Button(buttonContainer, SWT.PUSH);
	button.setText(UpdateUI.getString("InstallWizard.ReviewPage.selectAll")); //$NON-NLS-1$
	gd =
	new GridData(
	GridData.HORIZONTAL_ALIGN_FILL
	\| GridData.VERTICAL_ALIGN_BEGINNING);
	button.setLayoutData(gd);
	SWTUtil.setButtonDimensionHint(button);
	button.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleSelectAll(true);
	}
	});

	button = new Button(buttonContainer, SWT.PUSH);
	button.setText(UpdateUI.getString("InstallWizard.ReviewPage.deselectAll")); //$NON-NLS-1$
	gd =
	new GridData(
	GridData.HORIZONTAL_ALIGN_FILL
	\| GridData.VERTICAL_ALIGN_BEGINNING);
	button.setLayoutData(gd);
	SWTUtil.setButtonDimensionHint(button);
	button.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleSelectAll(false);
	}
	});

	moreInfoButton = new Button(buttonContainer, SWT.PUSH);
	moreInfoButton.setText(UpdateUI.getString("InstallWizard.ReviewPage.moreInfo")); //$NON-NLS-1$
	gd =
	new GridData(
	GridData.HORIZONTAL_ALIGN_FILL
	\| GridData.VERTICAL_ALIGN_BEGINNING);
	moreInfoButton.setLayoutData(gd);
	SWTUtil.setButtonDimensionHint(moreInfoButton);
	moreInfoButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleMoreInfo();
	}
	});
	moreInfoButton.setEnabled(false);


	propertiesButton = new Button(buttonContainer, SWT.PUSH);
	propertiesButton.setText(UpdateUI.getString("InstallWizard.ReviewPage.properties")); //$NON-NLS-1$
	gd =
	new GridData(
	GridData.HORIZONTAL_ALIGN_FILL
	\| GridData.VERTICAL_ALIGN_BEGINNING);
	propertiesButton.setLayoutData(gd);
	SWTUtil.setButtonDimensionHint(propertiesButton);
	propertiesButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleProperties();
	}
	});
	propertiesButton.setEnabled(false);

	statusButton = new Button(buttonContainer, SWT.PUSH);
	statusButton.setText(UpdateUI.getString("InstallWizard.ReviewPage.showStatus")); //$NON-NLS-1$
	gd =
	new GridData(
	GridData.HORIZONTAL_ALIGN_FILL
	\| GridData.VERTICAL_ALIGN_BEGINNING);
	statusButton.setLayoutData(gd);
	SWTUtil.setButtonDimensionHint(statusButton);
	statusButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	showStatus();
	}
	});

	descLabel = new Text(client, SWT.WRAP);
	descLabel.setEditable(false);
	gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.horizontalSpan = 2;
	descLabel.setLayoutData(gd);

	counterLabel = new Label(client, SWT.NULL);
	gd = new GridData();
	gd.horizontalSpan = 2;
	counterLabel.setLayoutData(gd);

	filterCheck = new Button(client, SWT.CHECK);
	filterCheck.setText(UpdateUI.getString("InstallWizard.ReviewPage.filter")); //$NON-NLS-1$
	filterCheck.setSelection(true);
	tableViewer.addFilter(filter);
	filterCheck.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (filterCheck.getSelection())
	tableViewer.addFilter(filter);
	else
	tableViewer.removeFilter(filter);
	pageChanged();
	}
	});
	gd = new GridData(GridData.HORIZONTAL_ALIGN_FILL);
	gd.horizontalSpan = 2;
	filterCheck.setLayoutData(gd);
	pageChanged();

	WorkbenchHelp.setHelp(client, "org.eclipse.update.ui.MultiReviewPage2"); //$NON-NLS-1$

	Dialog.applyDialogFont(parent);

	return client;
	}

	private Control createTable(Composite parent) {
	tableViewer =
	CheckboxTableViewer.newCheckList(
	parent,
	SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER \| SWT.FULL_SELECTION);
	Table table = tableViewer.getTable();
	GridData gd = new GridData(GridData.FILL_BOTH);
	gd.widthHint = 250;
	table.setLayoutData(gd);

	table.setHeaderVisible(true);

	TableColumn column = new TableColumn(table, SWT.NULL);
	column.setText(UpdateUI.getString("InstallWizard.ReviewPage.feature")); //$NON-NLS-1$
	column.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	LABEL_ORDER *= -1;
	tableViewer.setSorter(
	new FeatureSorter(
	FeatureSorter.FEATURE_LABEL,
	LABEL_ORDER,
	VERSION_ORDER,
	PROVIDER_ORDER));
	}
	});

	column = new TableColumn(table, SWT.NULL);
	column.setText(UpdateUI.getString("InstallWizard.ReviewPage.version")); //$NON-NLS-1$
	column.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	VERSION_ORDER *= -1;
	tableViewer.setSorter(
	new FeatureSorter(
	FeatureSorter.FEATURE_VERSION,
	LABEL_ORDER,
	VERSION_ORDER,
	PROVIDER_ORDER));
	}
	});

	column = new TableColumn(table, SWT.NULL);
	column.setText(UpdateUI.getString("InstallWizard.ReviewPage.provider")); //$NON-NLS-1$
	column.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	PROVIDER_ORDER *= -1;
	tableViewer.setSorter(
	new FeatureSorter(
	FeatureSorter.FEATURE_PROVIDER,
	LABEL_ORDER,
	VERSION_ORDER,
	PROVIDER_ORDER));
	}
	});

	TableLayout layout = new TableLayout();
	layout.addColumnData(new ColumnWeightData(80, 225, true));
	layout.addColumnData(new ColumnWeightData(30, 80));
	layout.addColumnData(new ColumnWeightData(100, 140, true));

	table.setLayout(layout);

	tableViewer.setContentProvider(new JobsContentProvider());
	tableViewer.setLabelProvider(new JobsLabelProvider());
	tableViewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent event) {
	tableViewer
	.getControl()
	.getDisplay()
	.asyncExec(new Runnable() {
	public void run() {
	pageChanged();
	}
	});
	}
	});

	tableViewer
	.addSelectionChangedListener(new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent e) {
	jobSelected((IStructuredSelection) e.getSelection());
	}
	});

	tableViewer.addDoubleClickListener(new IDoubleClickListener() {
	public void doubleClick(DoubleClickEvent event) {
	handleProperties();
	}
	});
	tableViewer.setSorter(new FeatureSorter());
	MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
	menuMgr.setRemoveAllWhenShown(true);
	menuMgr.addMenuListener(new IMenuListener() {
	public void menuAboutToShow(IMenuManager manager) {
	fillContextMenu(manager);
	}
	});
	table.setMenu(menuMgr.createContextMenu(table));

	tableViewer.setInput(UpdateUI.getDefault().getUpdateModel());
	tableViewer.setAllChecked(true);
	return table;
	}

	private void fillContextMenu(IMenuManager manager) {
	if (tableViewer.getSelection().isEmpty()) return;
	Action action = new Action(UpdateUI.getString("InstallWizard.ReviewPage.prop")) { //$NON-NLS-1$
	public void run() {
	handleProperties();
	}
	};
	manager.add(action);
	}

	public void accept(final IFeature feature) {
	getShell().getDisplay().syncExec(new Runnable() {
	public void run() {
	IInstallFeatureOperation job = OperationsManager.getOperationFactory().createInstallOperation(null, null, feature,null, null, null);
	ViewerFilter[] filters = tableViewer.getFilters();
	boolean visible = true;

	for (int i = 0; i < filters.length; i++) {
	ViewerFilter filter = filters[i];
	if (!filter.select(tableViewer, null, job)) {
	visible = false;
	break;
	}
	}
	if (visible) {
	tableViewer.add(job);
	updateItemCount(0, -1);
	}
	jobs.add(job);
	}
	});
	}

	private void jobSelected(IStructuredSelection selection) {
	IInstallFeatureOperation job = (IInstallFeatureOperation) selection.getFirstElement();
	IFeature feature = job != null ? job.getFeature() : null;
	IURLEntry descEntry = feature != null ? feature.getDescription() : null;
	String desc = null;
	if (descEntry != null)
	desc = descEntry.getAnnotation();
	if (desc == null)
	desc = ""; //$NON-NLS-1$
	descLabel.setText(desc);
	propertiesButton.setEnabled(feature != null);
	moreInfoButton.setEnabled(job != null && getMoreInfoURL(job) != null);
	}

	private void pageChanged() {
	Object[] checked = tableViewer.getCheckedElements();
	int totalCount = tableViewer.getTable().getItemCount();
	updateItemCount(checked.length, totalCount);
	if (checked.length > 0) {
	validateSelection();
	} else {
	setErrorMessage(null);
	setPageComplete(false);
	validationStatus = null;
	}
	statusButton.setEnabled(validationStatus != null);
	}

	private void updateItemCount(int checkedCount, int totalCount) {
	if (checkedCount == -1) {
	Object[] checkedElements = tableViewer.getCheckedElements();
	checkedCount = checkedElements.length;
	}
	if (totalCount == -1) {
	totalCount = tableViewer.getTable().getItemCount();
	}
	String total = "" + totalCount; //$NON-NLS-1$
	String selected = "" + checkedCount; //$NON-NLS-1$
	counterLabel.setText(
	UpdateUI.getFormattedMessage(
	"InstallWizard.ReviewPage.counter", //$NON-NLS-1$
	new String[] { selected, total }));
	counterLabel.getParent().layout();
	}

	private void handleSelectAll(boolean select) {
	tableViewer.setAllChecked(select);
	tableViewer.getControl().getDisplay().asyncExec(new Runnable() {
	public void run() {
	pageChanged();
	}
	});
	}

	private void handleProperties() {
	final IStructuredSelection selection =
	(IStructuredSelection) tableViewer.getSelection();

	final IInstallFeatureOperation job =
	(IInstallFeatureOperation) selection.getFirstElement();
	if (propertiesAction == null) {
	propertiesAction =
	new FeaturePropertyDialogAction(getShell(), tableViewer);
	}

	BusyIndicator
	.showWhile(tableViewer.getControl().getDisplay(), new Runnable() {
	public void run() {
	SimpleFeatureAdapter adapter =
	new SimpleFeatureAdapter(job.getFeature());
	propertiesAction.selectionChanged(
	new StructuredSelection(adapter));
	propertiesAction.run();
	}
	});
	}

	private String getMoreInfoURL(IInstallFeatureOperation job) {
	IURLEntry desc = job.getFeature().getDescription();
	if (desc != null) {
	URL url = desc.getURL();
	return (url == null) ? null : url.toString();
	}
	return null;
	}

	private void handleMoreInfo() {
	IStructuredSelection selection =
	(IStructuredSelection) tableViewer.getSelection();
	final IInstallFeatureOperation selectedJob =
	(IInstallFeatureOperation) selection.getFirstElement();
	BusyIndicator
	.showWhile(tableViewer.getControl().getDisplay(), new Runnable() {
	public void run() {
	String urlName = getMoreInfoURL(selectedJob);
	UpdateUI.showURL(urlName);
	}
	});
	}

	public IInstallFeatureOperation[] getSelectedJobs() {
	Object[] selected = tableViewer.getCheckedElements();
	IInstallFeatureOperation[] result = new IInstallFeatureOperation[selected.length];
	System.arraycopy(selected, 0, result, 0, selected.length);
	return result;
	}

	public void validateSelection() {
	IInstallFeatureOperation[] jobs = getSelectedJobs();
	validationStatus =
	OperationsManager.getValidator().validatePendingChanges(jobs);
	setPageComplete(validationStatus == null \|\| validationStatus.getCode() == IStatus.WARNING);

	if (validationStatus == null) {
	setErrorMessage(null);
	} else if (validationStatus.getCode() == IStatus.WARNING) {
	setErrorMessage(null);
	setMessage(validationStatus.getMessage(), IMessageProvider.WARNING);
	} else {
	setErrorMessage(UpdateUI.getString("InstallWizard.ReviewPage.invalid.long")); //$NON-NLS-1$
	}
	}

	private void showStatus() {
	if (validationStatus != null) {
	ErrorDialog.openError(
	UpdateUI.getActiveWorkbenchShell(),
	UpdateUI.getString("InstallWizard.ReviewPage.invalid.short"), //$NON-NLS-1$
	null,
	validationStatus);
	}
	}
	}