update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/manager/HistoryView.java - platform/eclipse.platform - Git at Google

 package org.eclipse.update.internal.ui.manager;
 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.ui.part.ViewPart;
 import org.eclipse.swt.SWT;

 import java.io.InputStream;
 import java.net.URL;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.viewers.*;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.update.internal.ui.parts.*;
 import org.eclipse.update.ui.internal.model.*;
 import org.eclipse.update.internal.ui.*;
 import org.eclipse.swt.custom.*;
 import org.eclipse.update.core.*;
 import org.eclipse.jface.action.Action;
 import org.eclipse.update.core.IInstallConfiguration;
 import java.util.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.action.*;
 import org.eclipse.ui.dialogs.PropertyDialogAction;
 import org.eclipse.ui.*;

 /**
  * Insert the type's description here.
  * @see ViewPart
  */
 public class HistoryView extends BaseTreeView implements ILocalSiteChangedListener{
 private Image configImage;
 private Image featureImage;
 private Image siteImage;
 private Image currentConfigImage;
 private Action revertAction;
 private Action preserveAction;
 private Action removePreservedAction;
 private Action propertiesAction;
 private IUpdateModelChangedListener modelListener;
 private SavedFolder savedFolder;
 private static final String KEY_RESTORE = "HistoryView.Popup.restore";
 private static final String KEY_PRESERVE= "HistoryView.Popup.preserve";
 private static final String KEY_REMOVE_PRESERVED = "HistoryView.Popup.removePreserved";
 private static final String KEY_SAVED_FOLDER = "HistoryView.savedFolder";

 class SavedFolder {
 	private String label;
 	private Image image;

 	public SavedFolder() {
 		label = UpdateUIPlugin.getResourceString(KEY_SAVED_FOLDER);
 		String imageKey = ISharedImages.IMG_OBJ_FOLDER;
 		image = PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
 	}

 	public Image getImage() {
 		return image;
 	}

 	public String toString() {
 		return label;
 	}

 	public Object [] getChildren() {
 		try {
 			ILocalSite localSite = SiteManager.getLocalSite();
 			return makeChildren(localSite.getPreservedConfigurations());
 		}
 		catch (CoreException e) {
 			return new Object [0];
 		}
 	}

 	private Object [] makeChildren(IInstallConfiguration [] preserved) {
 		Object [] children = new Object[preserved.length];
 		for (int i=0; i<preserved.length; i++) {
 			children[i] = new PreservedConfiguration(preserved[i]);
 		}
 		return children;
 	}
 }


 class HistoryProvider extends DefaultContentProvider
 						implements ITreeContentProvider {
 	/**
 	 * @see ITreeContentProvider#getChildren(Object)
 	 */
 	public Object[] getChildren(Object parent) {
 		if (parent instanceof SavedFolder) {
 			return ((SavedFolder)parent).getChildren();
 		}
 		if (parent instanceof PreservedConfiguration) {
 			// resolve the adapter
 			parent = ((PreservedConfiguration)parent).getConfiguration();
 		}
 		if (parent instanceof IInstallConfiguration) {
 			return ((IInstallConfiguration)parent).getConfigurationSites();
 		}
 		if (parent instanceof IConfigurationSite) {
 			IConfigurationSite csite = (IConfigurationSite)parent;
 			return getConfiguredFeatures(csite);
 		}
 		return new Object[0];
 	}

 	private Object[] getConfiguredFeatures(IConfigurationSite csite) {
 		IFeatureReference [] refs = csite.getConfiguredFeatures();
 		ISite site = csite.getSite();
 		Object [] result = new Object[refs.length];
 		for (int i=0; i<refs.length; i++) {
 			try {
 				result[i] = refs[i].getFeature();
 			}
 			catch (CoreException e) {
 				result[i] = new MissingFeature(site, refs[i].getURL());
 			}
 		}
 		return result;
 	}


 	/**
 	 * @see ITreeContentProvider#getParent(Object)
 	 */
 	public Object getParent(Object child) {
 		return null;
 	}

 	/**
 	 * @see ITreeContentProvider#hasChildren(Object)
 	 */
 	public boolean hasChildren(Object parent) {
 		return getChildren(parent).length>0;
 	}

 	/**
 	 * @see IStructuredContentProvider#getElements(Object)
 	 */
 	public Object[] getElements(Object input) {
 		if (input instanceof ILocalSite) {
 			Object [] history = ((ILocalSite)input).getConfigurationHistory();
 			Object [] result = new Object[1+history.length];
 			result[0] = savedFolder;
 			for (int i=1; i<=history.length; i++) {
 				result [i] = history[i-1];
 			}
 			return result;
 		}
 		return new Object[0];
 	}
 }

 class HistoryLabelProvider extends LabelProvider {
 	public String getText(Object obj) {
 		if (obj instanceof IInstallConfiguration) {
 			IInstallConfiguration config = (IInstallConfiguration)obj;
 			return config.getLabel();
 		}
 		if (obj instanceof IConfigurationSite) {
 			IConfigurationSite csite = (IConfigurationSite)obj;
 			ISite site = csite.getSite();
 			return site.getURL().toString();
 		}
 		if (obj instanceof IFeature) {
 			IFeature feature = (IFeature)obj;
 			String version = feature.getIdentifier().getVersion().toString();
 			return feature.getLabel() + " "+version;
 		}
 		return super.getText(obj);
 	}
 	public Image getImage(Object obj) {
 		if (obj instanceof SavedFolder)
 		   return ((SavedFolder)obj).getImage();
 		if (obj instanceof IFeature)
 		   return featureImage;
 		if (obj instanceof IConfigurationSite)
 		   return siteImage;
 		if (obj instanceof PreservedConfiguration) {
 			obj = ((PreservedConfiguration)obj).getConfiguration();
 		}
 		if (obj instanceof IInstallConfiguration) {
 			IInstallConfiguration config = (IInstallConfiguration)obj;
 			if (config.isCurrent()) return currentConfigImage;
 			return configImage;
 		}
 		return null;
 	}
 }

 public HistoryView() {
 	featureImage = UpdateUIPluginImages.DESC_FEATURE_OBJ.createImage();
 	siteImage = UpdateUIPluginImages.DESC_SITE_OBJ.createImage();
 	configImage = UpdateUIPluginImages.DESC_CONFIG_OBJ.createImage();
 	ImageDescriptor cdesc = new OverlayIcon(UpdateUIPluginImages.DESC_CONFIG_OBJ,
 					new ImageDescriptor [][] {{}, {UpdateUIPluginImages.DESC_CURRENT_CO}});
 	currentConfigImage = cdesc.createImage();
 	savedFolder = new SavedFolder();
 }

 public void initProviders() {
 	viewer.setContentProvider(new HistoryProvider());
 	viewer.setLabelProvider(new HistoryLabelProvider());
 	try {
 		ILocalSite localSite = SiteManager.getLocalSite();
 		viewer.setInput(localSite);
 		localSite.addLocalSiteChangedListener(this);
 	}
 	catch (CoreException e) {
 		UpdateUIPlugin.logException(e);
 	}
 	UpdateModel model = UpdateUIPlugin.getDefault().getUpdateModel();
 	modelListener = new IUpdateModelChangedListener () {
 		public void objectAdded(Object parent, Object child) {
 		}
 		public void objectRemoved(Object parent, Object child) {
 		}
 		public void objectChanged(Object obj, String property) {
 			viewer.update(obj, null);
 		}
 	};
 	model.addUpdateModelChangedListener(modelListener);
 }

 protected void partControlCreated() {
 }

 public void dispose() {
 	featureImage.dispose();
 	siteImage.dispose();
 	configImage.dispose();
 	currentConfigImage.dispose();

 	try {
 		ILocalSite localSite = SiteManager.getLocalSite();
 		localSite.removeLocalSiteChangedListener(this);
 	}
 	catch (CoreException e) {
 		UpdateUIPlugin.logException(e);
 	}
 	UpdateModel model = UpdateUIPlugin.getDefault().getUpdateModel();
 	model.removeUpdateModelChangedListener(modelListener);
 	super.dispose();
 }

 private IInstallConfiguration getSelectedConfiguration(boolean onlyPreserved) {
 	ISelection selection = viewer.getSelection();

 	if (selection instanceof IStructuredSelection &&
 			!selection.isEmpty()) {
 		IStructuredSelection ssel = (IStructuredSelection)selection;
 		if (ssel.size()==1) {
 			Object obj = ssel.getFirstElement();
 			if (!onlyPreserved && obj instanceof IInstallConfiguration)
 			   return (IInstallConfiguration)obj;
 			if (obj instanceof PreservedConfiguration)
 			    return ((PreservedConfiguration)obj).getConfiguration();
 		}
 	}
 	return null;
 }

 protected void makeActions() {
 	super.makeActions();
 	revertAction = new Action() {
 		public void run() {
 			IInstallConfiguration target = getSelectedConfiguration(false);
 			if (target!=null)
 			   RevertSection.performRevert(target);
 		}
 	};
 	revertAction.setText(UpdateUIPlugin.getResourceString(KEY_RESTORE));
 	preserveAction = new Action() {
 		public void run() {
 			IInstallConfiguration target = getSelectedConfiguration(false);
 			if (target == null) return;
 			try {
 				ILocalSite localSite = SiteManager.getLocalSite();
 				localSite.preserve(target);
 				localSite.save();
 				viewer.refresh(savedFolder);
 			}
 			catch (CoreException e) {
 				UpdateUIPlugin.logException(e);
 			}
 		}
 	};
 	preserveAction.setText(UpdateUIPlugin.getResourceString(KEY_PRESERVE));
 	removePreservedAction = new Action() {
 		public void run() {
 			IInstallConfiguration target = getSelectedConfiguration(true);
 			if (target==null) return;
 			if (isPreserved(target)==false) return;
 			try {
 				ILocalSite localSite = SiteManager.getLocalSite();
 				// what API to call to remove??
 				// localSite.??
 				// localSite.save();
 				// viewer.remove(target);
 			}
 			catch (CoreException e) {
 				UpdateUIPlugin.logException(e);
 			}
 		}
 	};
 	removePreservedAction.setText(UpdateUIPlugin.getResourceString(KEY_REMOVE_PRESERVED));
 	propertiesAction = new PropertyDialogAction(UpdateUIPlugin.getActiveWorkbenchShell(), viewer);
 }

 private boolean isPreserved(IInstallConfiguration config) {
 	try {
 		ILocalSite localSite = SiteManager.getLocalSite();
 		IInstallConfiguration [] preservedConfigs =
 				localSite.getPreservedConfigurations();
 		for (int i=0; i<preservedConfigs.length; i++) {
 			if (preservedConfigs[i].equals(config)) return true;
 		}
 		return false;
 	}
 	catch (CoreException e) {
 		return false;
 	}
 }

 protected void fillContextMenu(IMenuManager manager) {
 	IInstallConfiguration config = getSelectedConfiguration(false);
 	if (config!=null && !config.isCurrent()) {
 		manager.add(revertAction);
 		manager.add(new Separator());
 	}
 	if (config!=null && !isPreserved(config)) {
 		manager.add(preserveAction);
 	}
 	config = getSelectedConfiguration(true);
 	if (config!=null) {
 		manager.add(removePreservedAction);
 	}
 	super.fillContextMenu(manager);
 	manager.add(propertiesAction);
 }

 public void currentInstallConfigurationChanged(IInstallConfiguration configuration) {
 	viewer.refresh();
 }

 public void installConfigurationRemoved(IInstallConfiguration configuration) {
 }

 }
	package org.eclipse.update.internal.ui.manager;
	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.ui.part.ViewPart;
	import org.eclipse.swt.SWT;

	import java.io.InputStream;
	import java.net.URL;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.jface.viewers.*;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.update.internal.ui.parts.*;
	import org.eclipse.update.ui.internal.model.*;
	import org.eclipse.update.internal.ui.*;
	import org.eclipse.swt.custom.*;
	import org.eclipse.update.core.*;
	import org.eclipse.jface.action.Action;
	import org.eclipse.update.core.IInstallConfiguration;
	import java.util.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.action.*;
	import org.eclipse.ui.dialogs.PropertyDialogAction;
	import org.eclipse.ui.*;

	/**
	* Insert the type's description here.
	* @see ViewPart
	*/
	public class HistoryView extends BaseTreeView implements ILocalSiteChangedListener{
	private Image configImage;
	private Image featureImage;
	private Image siteImage;
	private Image currentConfigImage;
	private Action revertAction;
	private Action preserveAction;
	private Action removePreservedAction;
	private Action propertiesAction;
	private IUpdateModelChangedListener modelListener;
	private SavedFolder savedFolder;
	private static final String KEY_RESTORE = "HistoryView.Popup.restore";
	private static final String KEY_PRESERVE= "HistoryView.Popup.preserve";
	private static final String KEY_REMOVE_PRESERVED = "HistoryView.Popup.removePreserved";
	private static final String KEY_SAVED_FOLDER = "HistoryView.savedFolder";

	class SavedFolder {
	private String label;
	private Image image;

	public SavedFolder() {
	label = UpdateUIPlugin.getResourceString(KEY_SAVED_FOLDER);
	String imageKey = ISharedImages.IMG_OBJ_FOLDER;
	image = PlatformUI.getWorkbench().getSharedImages().getImage(imageKey);
	}

	public Image getImage() {
	return image;
	}

	public String toString() {
	return label;
	}

	public Object [] getChildren() {
	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	return makeChildren(localSite.getPreservedConfigurations());
	}
	catch (CoreException e) {
	return new Object [0];
	}
	}

	private Object [] makeChildren(IInstallConfiguration [] preserved) {
	Object [] children = new Object[preserved.length];
	for (int i=0; i<preserved.length; i++) {
	children[i] = new PreservedConfiguration(preserved[i]);
	}
	return children;
	}
	}


	class HistoryProvider extends DefaultContentProvider
	implements ITreeContentProvider {
	/**
	* @see ITreeContentProvider#getChildren(Object)
	*/
	public Object[] getChildren(Object parent) {
	if (parent instanceof SavedFolder) {
	return ((SavedFolder)parent).getChildren();
	}
	if (parent instanceof PreservedConfiguration) {
	// resolve the adapter
	parent = ((PreservedConfiguration)parent).getConfiguration();
	}
	if (parent instanceof IInstallConfiguration) {
	return ((IInstallConfiguration)parent).getConfigurationSites();
	}
	if (parent instanceof IConfigurationSite) {
	IConfigurationSite csite = (IConfigurationSite)parent;
	return getConfiguredFeatures(csite);
	}
	return new Object[0];
	}

	private Object[] getConfiguredFeatures(IConfigurationSite csite) {
	IFeatureReference [] refs = csite.getConfiguredFeatures();
	ISite site = csite.getSite();
	Object [] result = new Object[refs.length];
	for (int i=0; i<refs.length; i++) {
	try {
	result[i] = refs[i].getFeature();
	}
	catch (CoreException e) {
	result[i] = new MissingFeature(site, refs[i].getURL());
	}
	}
	return result;
	}


	/**
	* @see ITreeContentProvider#getParent(Object)
	*/
	public Object getParent(Object child) {
	return null;
	}

	/**
	* @see ITreeContentProvider#hasChildren(Object)
	*/
	public boolean hasChildren(Object parent) {
	return getChildren(parent).length>0;
	}

	/**
	* @see IStructuredContentProvider#getElements(Object)
	*/
	public Object[] getElements(Object input) {
	if (input instanceof ILocalSite) {
	Object [] history = ((ILocalSite)input).getConfigurationHistory();
	Object [] result = new Object[1+history.length];
	result[0] = savedFolder;
	for (int i=1; i<=history.length; i++) {
	result [i] = history[i-1];
	}
	return result;
	}
	return new Object[0];
	}
	}

	class HistoryLabelProvider extends LabelProvider {
	public String getText(Object obj) {
	if (obj instanceof IInstallConfiguration) {
	IInstallConfiguration config = (IInstallConfiguration)obj;
	return config.getLabel();
	}
	if (obj instanceof IConfigurationSite) {
	IConfigurationSite csite = (IConfigurationSite)obj;
	ISite site = csite.getSite();
	return site.getURL().toString();
	}
	if (obj instanceof IFeature) {
	IFeature feature = (IFeature)obj;
	String version = feature.getIdentifier().getVersion().toString();
	return feature.getLabel() + " "+version;
	}
	return super.getText(obj);
	}
	public Image getImage(Object obj) {
	if (obj instanceof SavedFolder)
	return ((SavedFolder)obj).getImage();
	if (obj instanceof IFeature)
	return featureImage;
	if (obj instanceof IConfigurationSite)
	return siteImage;
	if (obj instanceof PreservedConfiguration) {
	obj = ((PreservedConfiguration)obj).getConfiguration();
	}
	if (obj instanceof IInstallConfiguration) {
	IInstallConfiguration config = (IInstallConfiguration)obj;
	if (config.isCurrent()) return currentConfigImage;
	return configImage;
	}
	return null;
	}
	}

	public HistoryView() {
	featureImage = UpdateUIPluginImages.DESC_FEATURE_OBJ.createImage();
	siteImage = UpdateUIPluginImages.DESC_SITE_OBJ.createImage();
	configImage = UpdateUIPluginImages.DESC_CONFIG_OBJ.createImage();
	ImageDescriptor cdesc = new OverlayIcon(UpdateUIPluginImages.DESC_CONFIG_OBJ,
	new ImageDescriptor [][] {{}, {UpdateUIPluginImages.DESC_CURRENT_CO}});
	currentConfigImage = cdesc.createImage();
	savedFolder = new SavedFolder();
	}

	public void initProviders() {
	viewer.setContentProvider(new HistoryProvider());
	viewer.setLabelProvider(new HistoryLabelProvider());
	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	viewer.setInput(localSite);
	localSite.addLocalSiteChangedListener(this);
	}
	catch (CoreException e) {
	UpdateUIPlugin.logException(e);
	}
	UpdateModel model = UpdateUIPlugin.getDefault().getUpdateModel();
	modelListener = new IUpdateModelChangedListener () {
	public void objectAdded(Object parent, Object child) {
	}
	public void objectRemoved(Object parent, Object child) {
	}
	public void objectChanged(Object obj, String property) {
	viewer.update(obj, null);
	}
	};
	model.addUpdateModelChangedListener(modelListener);
	}

	protected void partControlCreated() {
	}

	public void dispose() {
	featureImage.dispose();
	siteImage.dispose();
	configImage.dispose();
	currentConfigImage.dispose();

	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	localSite.removeLocalSiteChangedListener(this);
	}
	catch (CoreException e) {
	UpdateUIPlugin.logException(e);
	}
	UpdateModel model = UpdateUIPlugin.getDefault().getUpdateModel();
	model.removeUpdateModelChangedListener(modelListener);
	super.dispose();
	}

	private IInstallConfiguration getSelectedConfiguration(boolean onlyPreserved) {
	ISelection selection = viewer.getSelection();

	if (selection instanceof IStructuredSelection &&
	!selection.isEmpty()) {
	IStructuredSelection ssel = (IStructuredSelection)selection;
	if (ssel.size()==1) {
	Object obj = ssel.getFirstElement();
	if (!onlyPreserved && obj instanceof IInstallConfiguration)
	return (IInstallConfiguration)obj;
	if (obj instanceof PreservedConfiguration)
	return ((PreservedConfiguration)obj).getConfiguration();
	}
	}
	return null;
	}

	protected void makeActions() {
	super.makeActions();
	revertAction = new Action() {
	public void run() {
	IInstallConfiguration target = getSelectedConfiguration(false);
	if (target!=null)
	RevertSection.performRevert(target);
	}
	};
	revertAction.setText(UpdateUIPlugin.getResourceString(KEY_RESTORE));
	preserveAction = new Action() {
	public void run() {
	IInstallConfiguration target = getSelectedConfiguration(false);
	if (target == null) return;
	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	localSite.preserve(target);
	localSite.save();
	viewer.refresh(savedFolder);
	}
	catch (CoreException e) {
	UpdateUIPlugin.logException(e);
	}
	}
	};
	preserveAction.setText(UpdateUIPlugin.getResourceString(KEY_PRESERVE));
	removePreservedAction = new Action() {
	public void run() {
	IInstallConfiguration target = getSelectedConfiguration(true);
	if (target==null) return;
	if (isPreserved(target)==false) return;
	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	// what API to call to remove??
	// localSite.??
	// localSite.save();
	// viewer.remove(target);
	}
	catch (CoreException e) {
	UpdateUIPlugin.logException(e);
	}
	}
	};
	removePreservedAction.setText(UpdateUIPlugin.getResourceString(KEY_REMOVE_PRESERVED));
	propertiesAction = new PropertyDialogAction(UpdateUIPlugin.getActiveWorkbenchShell(), viewer);
	}

	private boolean isPreserved(IInstallConfiguration config) {
	try {
	ILocalSite localSite = SiteManager.getLocalSite();
	IInstallConfiguration [] preservedConfigs =
	localSite.getPreservedConfigurations();
	for (int i=0; i<preservedConfigs.length; i++) {
	if (preservedConfigs[i].equals(config)) return true;
	}
	return false;
	}
	catch (CoreException e) {
	return false;
	}
	}

	protected void fillContextMenu(IMenuManager manager) {
	IInstallConfiguration config = getSelectedConfiguration(false);
	if (config!=null && !config.isCurrent()) {
	manager.add(revertAction);
	manager.add(new Separator());
	}
	if (config!=null && !isPreserved(config)) {
	manager.add(preserveAction);
	}
	config = getSelectedConfiguration(true);
	if (config!=null) {
	manager.add(removePreservedAction);
	}
	super.fillContextMenu(manager);
	manager.add(propertiesAction);
	}

	public void currentInstallConfigurationChanged(IInstallConfiguration configuration) {
	viewer.refresh();
	}

	public void installConfigurationRemoved(IInstallConfiguration configuration) {
	}

	}