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

 /*******************************************************************************
  * Copyright (c) 2003, 2006 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.update.internal.ui.wizards;

 import java.net.URL;

 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.viewers.CheckStateChangedEvent;
 import org.eclipse.jface.viewers.CheckboxTableViewer;
 import org.eclipse.jface.viewers.ICheckStateListener;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.viewers.ViewerSorter;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.TableItem;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.forms.HyperlinkSettings;
 import org.eclipse.ui.forms.widgets.ScrolledFormText;
 import org.eclipse.update.internal.core.UpdateCore;
 import org.eclipse.update.internal.core.UpdateManagerUtils;
 import org.eclipse.update.internal.ui.UpdateUI;
 import org.eclipse.update.internal.ui.UpdateUIImages;
 import org.eclipse.update.internal.ui.UpdateUIMessages;
 import org.eclipse.update.internal.ui.model.DiscoveryFolder;
 import org.eclipse.update.internal.ui.model.SiteBookmark;
 import org.eclipse.update.internal.ui.model.SiteCategory;
 import org.eclipse.update.internal.ui.model.UpdateModel;
 import org.eclipse.update.internal.ui.parts.SWTUtil;
 import org.eclipse.update.operations.IUpdateModelChangedListener;
 import org.eclipse.update.search.EnvironmentFilter;
 import org.eclipse.update.search.UpdateSearchRequest;
 import org.eclipse.update.search.UpdateSearchScope;

 public class SitePage extends BannerPage implements ISearchProvider {

 	class SitesLabelProvider extends LabelProvider {

 		public Image getImage(Object obj) {
 			if (obj instanceof SiteBookmark)
 				return UpdateUI.getDefault().getLabelProvider().get(
 					UpdateUIImages.DESC_SITE_OBJ);
 			return super.getImage(obj);
 		}

 		public String getText(Object obj) {
 			if (obj instanceof SiteBookmark) {
 				return ((SiteBookmark) obj).getLabel();
 			}
 			return super.getText(obj);
 		}
 	}

 	class ModelListener implements IUpdateModelChangedListener {
 		public void objectChanged(Object object, String property) {
 			viewer.refresh();
 			checkItems();
 		}

 		public void objectsAdded(Object parent, Object[] children) {
             viewer.refresh();
 			checkItems();
 		}

 		public void objectsRemoved(Object parent, Object[] children) {
 			viewer.refresh();
 			checkItems();
 		}
 	}

 	private static DiscoveryFolder discoveryFolder = new DiscoveryFolder();
 	private CheckboxTableViewer viewer;
 	private ScrolledFormText descLabel;
 	private Button addSiteButton;
 	private Button addLocalButton;
 	private Button addLocalZippedButton;
 	private Button editButton;
 	private Button removeButton;
 	private Button exportButton;
 	private Button importButton;
 	private Button envFilterCheck;
 	private Button automaticallySelectMirrorsCheckbox;
 	private EnvironmentFilter envFilter;
 	private UpdateSearchRequest searchRequest;
 	private ModelListener modelListener;

 	private boolean automaticallySelectMirrors = true;

 	public SitePage(UpdateSearchRequest searchRequest) {
 		super("SitePage"); //$NON-NLS-1$
         this.searchRequest = searchRequest;
 		setTitle(UpdateUIMessages.SitePage_title);
 		setDescription(UpdateUIMessages.SitePage_desc);
 		UpdateUI.getDefault().getLabelProvider().connect(this);
     	envFilter = new EnvironmentFilter();

 		modelListener = new ModelListener();
 		UpdateUI.getDefault().getUpdateModel().addUpdateModelChangedListener(
 			modelListener);
 	}

 	private void toggleEnvFilter(boolean add) {
 		if (add)
 			searchRequest.addFilter(envFilter);
 		else
 			searchRequest.removeFilter(envFilter);
 	}

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

 	/*
 	 * (non-Javadoc) @see
 	 * org.eclipse.update.internal.ui.wizards.BannerPage#createContents(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createContents(Composite parent) {
 		Composite client = new Composite(parent, SWT.NULL);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		client.setLayout(layout);

 		Label label = new Label(client, SWT.NULL);
 		label.setText(UpdateUIMessages.SitePage_label);
 		GridData gd = new GridData();
 		gd.horizontalSpan = 2;
 		label.setLayoutData(gd);

 		createViewer(client);

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

 		addSiteButton = new Button(buttonContainer, SWT.PUSH);
 		addSiteButton.setText(UpdateUIMessages.SitePage_addUpdateSite);
 		addSiteButton.setLayoutData(
 			new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(addSiteButton);
 		addSiteButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleAddSite();
 			}
 		});

 		addLocalButton = new Button(buttonContainer, SWT.PUSH);
 		addLocalButton.setText(UpdateUIMessages.SitePage_addLocalSite);
 		addLocalButton.setLayoutData(
 			new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(addLocalButton);
 		addLocalButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleAddLocal();
 			}
 		});

 		addLocalZippedButton = new Button(buttonContainer, SWT.PUSH);
 		addLocalZippedButton.setText(UpdateUIMessages.SitePage_addLocalZippedSite);
 		addLocalZippedButton.setLayoutData(
 			new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(addLocalZippedButton);
 		addLocalZippedButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleAddLocalZipped();
 			}
 		});

 		// separator
 		new Label(buttonContainer, SWT.None);

 		editButton = new Button(buttonContainer, SWT.PUSH);
 		editButton.setText(UpdateUIMessages.SitePage_edit);
 		editButton.setEnabled(false);
 		editButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(editButton);
 		editButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleEdit();
 			}
 		});

 		removeButton = new Button(buttonContainer, SWT.PUSH);
 		removeButton.setText(UpdateUIMessages.SitePage_remove);
 		removeButton.setEnabled(false);
 		removeButton.setLayoutData(
 			new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(removeButton);
 		removeButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleRemove();
 			}
 		});

 		// separator
 		new Label(buttonContainer, SWT.None);

 		importButton = new Button(buttonContainer, SWT.PUSH);
 		importButton.setText(UpdateUIMessages.SitePage_import);
 		importButton.setLayoutData(
 			new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(importButton);
 		importButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleImport();
 			}
 		});

 		exportButton = new Button(buttonContainer, SWT.PUSH);
 		exportButton.setText(UpdateUIMessages.SitePage_export);
 		exportButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
 		SWTUtil.setButtonDimensionHint(exportButton);
 		exportButton.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				handleExport();
 			}
 		});

 		descLabel = new ScrolledFormText(client, true);
 		descLabel.setText(""); //$NON-NLS-1$
 		descLabel.setBackground(parent.getBackground());
 		HyperlinkSettings settings = new HyperlinkSettings(parent.getDisplay());
 		descLabel.getFormText().setHyperlinkSettings(settings);

 		gd = new GridData(SWT.FILL, SWT.FILL, true, true);
 		gd.horizontalSpan = 1;
         gd.heightHint = 30;
 		descLabel.setLayoutData(gd);

 		envFilterCheck = new Button(client, SWT.CHECK);
 		envFilterCheck.setText(UpdateUIMessages.SitePage_ignore);
 		envFilterCheck.setSelection(true);
 		toggleEnvFilter(true);
 		envFilterCheck.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				toggleEnvFilter(envFilterCheck.getSelection());
 			}
 		});
 		gd = new GridData();
 		gd.horizontalSpan = 2;
         gd.verticalAlignment = SWT.BOTTOM;
 		envFilterCheck.setLayoutData(gd);


 		automaticallySelectMirrorsCheckbox = new Button(client, SWT.CHECK);
 		automaticallySelectMirrorsCheckbox.setText(UpdateUIMessages.SitePage_automaticallySelectMirrors);
 		automaticallySelectMirrorsCheckbox.setSelection(true);
 		automaticallySelectMirrorsCheckbox.addSelectionListener(new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				automaticallySelectMirrors = automaticallySelectMirrorsCheckbox.getSelection();
 				UpdateCore.getPlugin().getPluginPreferences().setValue(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR, automaticallySelectMirrors);
 			}
 		});
 		gd = new GridData();
 		gd.horizontalSpan = 2;
         gd.verticalAlignment = SWT.BOTTOM;
         automaticallySelectMirrorsCheckbox.setLayoutData(gd);

 		Dialog.applyDialogFont(parent);

 		PlatformUI.getWorkbench().getHelpSystem().setHelp(client, "org.eclipse.update.ui.SitePage"); //$NON-NLS-1$

 		return client;
 	}

 	private void createViewer(Composite parent) {
 		viewer =
 			CheckboxTableViewer.newCheckList(
 				parent,
 				SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
 		viewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
 		viewer.setContentProvider(new IStructuredContentProvider() {
 			public Object[] getElements(Object parent) {
 				return getAllSiteBookmarks();
 			}

 			public void dispose() {
 			}

 			public void inputChanged(Viewer viewer, Object oldInput,
 					Object newInput) {
 			}
 		});
 		viewer.setLabelProvider(new SitesLabelProvider());
 		viewer.setInput(UpdateUI.getDefault().getUpdateModel());

 		// bug # 83212
 		viewer.setSorter( new ViewerSorter());


 		initializeItems();

 		viewer.addCheckStateListener(new ICheckStateListener() {
 			public void checkStateChanged(CheckStateChangedEvent e) {
 				Object element = e.getElement();
 				if (element instanceof SiteBookmark)
 					handleSiteChecked((SiteBookmark) element, e.getChecked());
 			}
 		});

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

 	}

 	private void initializeItems() {
 		checkItems();
 		updateSearchRequest();
 	}

 	private void checkItems() {
 		TableItem[] items = viewer.getTable().getItems();
 		for (int i = 0; i < items.length; i++) {
 			SiteBookmark bookmark = (SiteBookmark) items[i].getData();
 			viewer.setChecked(bookmark, bookmark.isSelected());
 		}
 	}

 	private void handleAddSite() {
 		NewUpdateSiteDialog dialog = new NewUpdateSiteDialog(getShell(), getAllSiteBookmarks());
 		dialog.create();
 		dialog.getShell().setText(UpdateUIMessages.SitePage_new);
 		if (dialog.open() == NewUpdateSiteDialog.OK)
 			updateSearchRequest();
 	}

 	private void handleAddLocal() {
 		SiteBookmark siteBookmark = LocalSiteSelector.getLocaLSite(getShell(), this.getAllSiteBookmarks());
 		if (siteBookmark != null) {
 			if (handleNameEdit(siteBookmark) == EditSiteDialog.OK) {
 				siteBookmark.setSelected(true);
 				UpdateModel model = UpdateUI.getDefault().getUpdateModel();
 				model.addBookmark(siteBookmark);
 				model.saveBookmarks();
 				updateSearchRequest();
 			}
 		}
 		return;
 	}

 	private void handleAddLocalZipped() {
 		SiteBookmark siteBookmark = LocalSiteSelector
 				.getLocaLZippedSite(getShell(), this.getAllSiteBookmarks());
 		if (siteBookmark != null) {
 			if (handleNameEdit(siteBookmark) == EditSiteDialog.OK) {
 				siteBookmark.setSelected(true);
 				UpdateModel model = UpdateUI.getDefault().getUpdateModel();
 				model.addBookmark(siteBookmark);
 				model.saveBookmarks();
 				updateSearchRequest();
 			}
 		}
 		return;
 	}

 	private void handleRemove() {
 		BusyIndicator
 			.showWhile(viewer.getControl().getDisplay(), new Runnable() {
 			public void run() {
 				UpdateModel updateModel =
 					UpdateUI.getDefault().getUpdateModel();
 				IStructuredSelection ssel =
 					(IStructuredSelection) viewer.getSelection();
 				SiteBookmark bookmark = (SiteBookmark) ssel.getFirstElement();
 				String selName = bookmark.getLabel();
 				boolean answer = MessageDialog
 								.openQuestion(
 										getShell(),
 										UpdateUIMessages.SitePage_remove_location_conf_title,
 										UpdateUIMessages.SitePage_remove_location_conf
 												+ " " + selName); //$NON-NLS-1$

 				if (answer && !bookmark.isReadOnly()) {
 					updateModel.removeBookmark(bookmark);
 					updateSearchRequest();
 				}
 			}
 		});
 	}

 	private void handleEdit() {
 		IStructuredSelection ssel =
 			(IStructuredSelection) viewer.getSelection();
 		SiteBookmark bookmark = (SiteBookmark) ssel.getFirstElement();
 		URL oldURL = bookmark.getURL();
 		EditSiteDialog dialog = new EditSiteDialog(getShell(), bookmark, getAllSiteBookmarks());
 		dialog.create();
 		String title = bookmark.isLocal() ? UpdateUIMessages.SitePage_dialogEditLocal : UpdateUIMessages.SitePage_dialogEditUpdateSite;
 																																				  // //$NON-NLS-2$
 		dialog.getShell().setText(title);
 		if (dialog.open() == EditSiteDialog.OK ) {
 			URL newURL = bookmark.getURL();
 			if (!UpdateManagerUtils.sameURL(oldURL, newURL)) {
 				UpdateModel model = UpdateUI.getDefault().getUpdateModel();
 				model.fireObjectChanged(bookmark, null);
 				updateSearchRequest();
 			}
 		}
 	}

 	private void handleImport() {
 		SiteBookmark[] siteBookmarks = SitesImportExport.getImportedBookmarks(getShell());
 		if (siteBookmarks != null && siteBookmarks.length > 0) {
 			UpdateModel model = UpdateUI.getDefault().getUpdateModel();
 			SiteBookmark[] currentBookmarks = getAllSiteBookmarks();
 			for (int i=0; i<siteBookmarks.length; i++) {
 				boolean siteExists = false;
 				for (int j=0; !siteExists && j<currentBookmarks.length; j++)
 					if (currentBookmarks[j].getURL().equals(siteBookmarks[i].getURL()))
 						siteExists = true;
 				if (!siteExists)
 					model.addBookmark(siteBookmarks[i]);
 			}
 			model.saveBookmarks();
 			updateSearchRequest();
 		}
 		return;
 	}

 	private void handleExport() {
 		SitesImportExport.exportBookmarks(getShell(), getAllSiteBookmarks());
 	}

 	private int handleNameEdit(SiteBookmark bookmark) {
 		EditSiteDialog dialog = new EditSiteDialog(getShell(), bookmark, getAllSiteBookmarks(), true);
 		dialog.create();
 		String title = bookmark.isLocal() ? UpdateUIMessages.SitePage_dialogEditLocal : UpdateUIMessages.SitePage_dialogEditUpdateSite;
 		// //$NON-NLS-2$
 		dialog.getShell().setText(title);
 		int rc = dialog.open();
 		return rc;
 	}

 	private void handleSiteChecked(SiteBookmark bookmark, boolean checked) {
 		if (bookmark.isUnavailable()) {
 			bookmark.setSelected(false);
 			viewer.setChecked(bookmark, false);
 			return;
 		}

 		bookmark.setSelected(checked);
 		updateSearchRequest();
 	}


 	private void handleSelectionChanged(IStructuredSelection ssel) {
 		boolean enable = false;
 		Object item = ssel.getFirstElement();
 		String description = null;
 		if (item instanceof SiteBookmark) {
 			enable = !((SiteBookmark) item).isReadOnly();
 			description = ((SiteBookmark)item).getDescription();
 		} else if (item instanceof SiteCategory) {
 //			IURLEntry descEntry = ((SiteCategory)item).getCategory().getDescription();
 //			if (descEntry != null)
 //				description = descEntry.getAnnotation();
 		}
 		editButton.setEnabled(enable);
 		removeButton.setEnabled(enable);

 		if (description == null)
 			description = ""; //$NON-NLS-1$
 		descLabel.setText(UpdateManagerUtils.getWritableXMLString(description));
 	}

 	private void updateSearchRequest() {
 		Object[] checked = viewer.getCheckedElements();

 		UpdateSearchScope scope = new UpdateSearchScope();
 		int nsites = 0;

 		for (int i = 0; i < checked.length; i++) {
 			if (checked[i] instanceof SiteBookmark) {
 				SiteBookmark bookmark = (SiteBookmark) checked[i];
 				scope.addSearchSite(
 					bookmark.getLabel(),
 					bookmark.getURL(),
 					bookmark.getIgnoredCategories());
 				nsites++;
 			}
 		}
 		searchRequest.setScope(scope);
 		setPageComplete(nsites > 0);
 	}

 	public UpdateSearchRequest getSearchRequest() {
 		return searchRequest;
 	}

 	public void setVisible(boolean value) {
 		super.setVisible(value);
 		if (value) {
 			// Reset all unavailable sites, so they can be tried again if the user wants it
 			SiteBookmark[] bookmarks = getAllSiteBookmarks();
 			for (int i=0; i<bookmarks.length; i++) {
 				if (bookmarks[i].isUnavailable())
 					bookmarks[i].setUnavailable(false);
 			}
 			automaticallySelectMirrors = UpdateCore.getPlugin().getPluginPreferences().getBoolean(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR);
 			automaticallySelectMirrorsCheckbox.setSelection(automaticallySelectMirrors);
 		}
 	}

 	private SiteBookmark[] getAllSiteBookmarks() {
 		UpdateModel model = UpdateUI.getDefault().getUpdateModel();
 		Object[] bookmarks = model.getBookmarkLeafs();
 		Object[] sitesToVisit =
 			discoveryFolder.getChildren(discoveryFolder);
 		SiteBookmark[] all = new SiteBookmark[bookmarks.length + sitesToVisit.length];
 		System.arraycopy(bookmarks, 0, all, 0, bookmarks.length);
 		System.arraycopy(
 			sitesToVisit,
 			0,
 			all,
 			bookmarks.length,
 			sitesToVisit.length);
 		return all;
 	}

 	public boolean isPageComplete() {
 		return viewer.getCheckedElements().length != 0;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2006 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.update.internal.ui.wizards;

	import java.net.URL;

	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.viewers.CheckStateChangedEvent;
	import org.eclipse.jface.viewers.CheckboxTableViewer;
	import org.eclipse.jface.viewers.ICheckStateListener;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.viewers.ViewerSorter;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.TableItem;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.forms.HyperlinkSettings;
	import org.eclipse.ui.forms.widgets.ScrolledFormText;
	import org.eclipse.update.internal.core.UpdateCore;
	import org.eclipse.update.internal.core.UpdateManagerUtils;
	import org.eclipse.update.internal.ui.UpdateUI;
	import org.eclipse.update.internal.ui.UpdateUIImages;
	import org.eclipse.update.internal.ui.UpdateUIMessages;
	import org.eclipse.update.internal.ui.model.DiscoveryFolder;
	import org.eclipse.update.internal.ui.model.SiteBookmark;
	import org.eclipse.update.internal.ui.model.SiteCategory;
	import org.eclipse.update.internal.ui.model.UpdateModel;
	import org.eclipse.update.internal.ui.parts.SWTUtil;
	import org.eclipse.update.operations.IUpdateModelChangedListener;
	import org.eclipse.update.search.EnvironmentFilter;
	import org.eclipse.update.search.UpdateSearchRequest;
	import org.eclipse.update.search.UpdateSearchScope;

	public class SitePage extends BannerPage implements ISearchProvider {

	class SitesLabelProvider extends LabelProvider {

	public Image getImage(Object obj) {
	if (obj instanceof SiteBookmark)
	return UpdateUI.getDefault().getLabelProvider().get(
	UpdateUIImages.DESC_SITE_OBJ);
	return super.getImage(obj);
	}

	public String getText(Object obj) {
	if (obj instanceof SiteBookmark) {
	return ((SiteBookmark) obj).getLabel();
	}
	return super.getText(obj);
	}
	}

	class ModelListener implements IUpdateModelChangedListener {
	public void objectChanged(Object object, String property) {
	viewer.refresh();
	checkItems();
	}

	public void objectsAdded(Object parent, Object[] children) {
	viewer.refresh();
	checkItems();
	}

	public void objectsRemoved(Object parent, Object[] children) {
	viewer.refresh();
	checkItems();
	}
	}

	private static DiscoveryFolder discoveryFolder = new DiscoveryFolder();
	private CheckboxTableViewer viewer;
	private ScrolledFormText descLabel;
	private Button addSiteButton;
	private Button addLocalButton;
	private Button addLocalZippedButton;
	private Button editButton;
	private Button removeButton;
	private Button exportButton;
	private Button importButton;
	private Button envFilterCheck;
	private Button automaticallySelectMirrorsCheckbox;
	private EnvironmentFilter envFilter;
	private UpdateSearchRequest searchRequest;
	private ModelListener modelListener;

	private boolean automaticallySelectMirrors = true;

	public SitePage(UpdateSearchRequest searchRequest) {
	super("SitePage"); //$NON-NLS-1$
	this.searchRequest = searchRequest;
	setTitle(UpdateUIMessages.SitePage_title);
	setDescription(UpdateUIMessages.SitePage_desc);
	UpdateUI.getDefault().getLabelProvider().connect(this);
	envFilter = new EnvironmentFilter();

	modelListener = new ModelListener();
	UpdateUI.getDefault().getUpdateModel().addUpdateModelChangedListener(
	modelListener);
	}

	private void toggleEnvFilter(boolean add) {
	if (add)
	searchRequest.addFilter(envFilter);
	else
	searchRequest.removeFilter(envFilter);
	}

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

	/*
	* (non-Javadoc) @see
	* org.eclipse.update.internal.ui.wizards.BannerPage#createContents(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createContents(Composite parent) {
	Composite client = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	client.setLayout(layout);

	Label label = new Label(client, SWT.NULL);
	label.setText(UpdateUIMessages.SitePage_label);
	GridData gd = new GridData();
	gd.horizontalSpan = 2;
	label.setLayoutData(gd);

	createViewer(client);

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

	addSiteButton = new Button(buttonContainer, SWT.PUSH);
	addSiteButton.setText(UpdateUIMessages.SitePage_addUpdateSite);
	addSiteButton.setLayoutData(
	new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(addSiteButton);
	addSiteButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleAddSite();
	}
	});

	addLocalButton = new Button(buttonContainer, SWT.PUSH);
	addLocalButton.setText(UpdateUIMessages.SitePage_addLocalSite);
	addLocalButton.setLayoutData(
	new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(addLocalButton);
	addLocalButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleAddLocal();
	}
	});

	addLocalZippedButton = new Button(buttonContainer, SWT.PUSH);
	addLocalZippedButton.setText(UpdateUIMessages.SitePage_addLocalZippedSite);
	addLocalZippedButton.setLayoutData(
	new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(addLocalZippedButton);
	addLocalZippedButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleAddLocalZipped();
	}
	});

	// separator
	new Label(buttonContainer, SWT.None);

	editButton = new Button(buttonContainer, SWT.PUSH);
	editButton.setText(UpdateUIMessages.SitePage_edit);
	editButton.setEnabled(false);
	editButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(editButton);
	editButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleEdit();
	}
	});

	removeButton = new Button(buttonContainer, SWT.PUSH);
	removeButton.setText(UpdateUIMessages.SitePage_remove);
	removeButton.setEnabled(false);
	removeButton.setLayoutData(
	new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(removeButton);
	removeButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleRemove();
	}
	});

	// separator
	new Label(buttonContainer, SWT.None);

	importButton = new Button(buttonContainer, SWT.PUSH);
	importButton.setText(UpdateUIMessages.SitePage_import);
	importButton.setLayoutData(
	new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(importButton);
	importButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleImport();
	}
	});

	exportButton = new Button(buttonContainer, SWT.PUSH);
	exportButton.setText(UpdateUIMessages.SitePage_export);
	exportButton.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_FILL));
	SWTUtil.setButtonDimensionHint(exportButton);
	exportButton.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	handleExport();
	}
	});

	descLabel = new ScrolledFormText(client, true);
	descLabel.setText(""); //$NON-NLS-1$
	descLabel.setBackground(parent.getBackground());
	HyperlinkSettings settings = new HyperlinkSettings(parent.getDisplay());
	descLabel.getFormText().setHyperlinkSettings(settings);

	gd = new GridData(SWT.FILL, SWT.FILL, true, true);
	gd.horizontalSpan = 1;
	gd.heightHint = 30;
	descLabel.setLayoutData(gd);

	envFilterCheck = new Button(client, SWT.CHECK);
	envFilterCheck.setText(UpdateUIMessages.SitePage_ignore);
	envFilterCheck.setSelection(true);
	toggleEnvFilter(true);
	envFilterCheck.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	toggleEnvFilter(envFilterCheck.getSelection());
	}
	});
	gd = new GridData();
	gd.horizontalSpan = 2;
	gd.verticalAlignment = SWT.BOTTOM;
	envFilterCheck.setLayoutData(gd);


	automaticallySelectMirrorsCheckbox = new Button(client, SWT.CHECK);
	automaticallySelectMirrorsCheckbox.setText(UpdateUIMessages.SitePage_automaticallySelectMirrors);
	automaticallySelectMirrorsCheckbox.setSelection(true);
	automaticallySelectMirrorsCheckbox.addSelectionListener(new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	automaticallySelectMirrors = automaticallySelectMirrorsCheckbox.getSelection();
	UpdateCore.getPlugin().getPluginPreferences().setValue(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR, automaticallySelectMirrors);
	}
	});
	gd = new GridData();
	gd.horizontalSpan = 2;
	gd.verticalAlignment = SWT.BOTTOM;
	automaticallySelectMirrorsCheckbox.setLayoutData(gd);

	Dialog.applyDialogFont(parent);

	PlatformUI.getWorkbench().getHelpSystem().setHelp(client, "org.eclipse.update.ui.SitePage"); //$NON-NLS-1$

	return client;
	}

	private void createViewer(Composite parent) {
	viewer =
	CheckboxTableViewer.newCheckList(
	parent,
	SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.BORDER);
	viewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
	viewer.setContentProvider(new IStructuredContentProvider() {
	public Object[] getElements(Object parent) {
	return getAllSiteBookmarks();
	}

	public void dispose() {
	}

	public void inputChanged(Viewer viewer, Object oldInput,
	Object newInput) {
	}
	});
	viewer.setLabelProvider(new SitesLabelProvider());
	viewer.setInput(UpdateUI.getDefault().getUpdateModel());

	// bug # 83212
	viewer.setSorter( new ViewerSorter());


	initializeItems();

	viewer.addCheckStateListener(new ICheckStateListener() {
	public void checkStateChanged(CheckStateChangedEvent e) {
	Object element = e.getElement();
	if (element instanceof SiteBookmark)
	handleSiteChecked((SiteBookmark) element, e.getChecked());
	}
	});

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

	}

	private void initializeItems() {
	checkItems();
	updateSearchRequest();
	}

	private void checkItems() {
	TableItem[] items = viewer.getTable().getItems();
	for (int i = 0; i < items.length; i++) {
	SiteBookmark bookmark = (SiteBookmark) items[i].getData();
	viewer.setChecked(bookmark, bookmark.isSelected());
	}
	}

	private void handleAddSite() {
	NewUpdateSiteDialog dialog = new NewUpdateSiteDialog(getShell(), getAllSiteBookmarks());
	dialog.create();
	dialog.getShell().setText(UpdateUIMessages.SitePage_new);
	if (dialog.open() == NewUpdateSiteDialog.OK)
	updateSearchRequest();
	}

	private void handleAddLocal() {
	SiteBookmark siteBookmark = LocalSiteSelector.getLocaLSite(getShell(), this.getAllSiteBookmarks());
	if (siteBookmark != null) {
	if (handleNameEdit(siteBookmark) == EditSiteDialog.OK) {
	siteBookmark.setSelected(true);
	UpdateModel model = UpdateUI.getDefault().getUpdateModel();
	model.addBookmark(siteBookmark);
	model.saveBookmarks();
	updateSearchRequest();
	}
	}
	return;
	}

	private void handleAddLocalZipped() {
	SiteBookmark siteBookmark = LocalSiteSelector
	.getLocaLZippedSite(getShell(), this.getAllSiteBookmarks());
	if (siteBookmark != null) {
	if (handleNameEdit(siteBookmark) == EditSiteDialog.OK) {
	siteBookmark.setSelected(true);
	UpdateModel model = UpdateUI.getDefault().getUpdateModel();
	model.addBookmark(siteBookmark);
	model.saveBookmarks();
	updateSearchRequest();
	}
	}
	return;
	}

	private void handleRemove() {
	BusyIndicator
	.showWhile(viewer.getControl().getDisplay(), new Runnable() {
	public void run() {
	UpdateModel updateModel =
	UpdateUI.getDefault().getUpdateModel();
	IStructuredSelection ssel =
	(IStructuredSelection) viewer.getSelection();
	SiteBookmark bookmark = (SiteBookmark) ssel.getFirstElement();
	String selName = bookmark.getLabel();
	boolean answer = MessageDialog
	.openQuestion(
	getShell(),
	UpdateUIMessages.SitePage_remove_location_conf_title,
	UpdateUIMessages.SitePage_remove_location_conf
	+ " " + selName); //$NON-NLS-1$

	if (answer && !bookmark.isReadOnly()) {
	updateModel.removeBookmark(bookmark);
	updateSearchRequest();
	}
	}
	});
	}

	private void handleEdit() {
	IStructuredSelection ssel =
	(IStructuredSelection) viewer.getSelection();
	SiteBookmark bookmark = (SiteBookmark) ssel.getFirstElement();
	URL oldURL = bookmark.getURL();
	EditSiteDialog dialog = new EditSiteDialog(getShell(), bookmark, getAllSiteBookmarks());
	dialog.create();
	String title = bookmark.isLocal() ? UpdateUIMessages.SitePage_dialogEditLocal : UpdateUIMessages.SitePage_dialogEditUpdateSite;
	// //$NON-NLS-2$
	dialog.getShell().setText(title);
	if (dialog.open() == EditSiteDialog.OK ) {
	URL newURL = bookmark.getURL();
	if (!UpdateManagerUtils.sameURL(oldURL, newURL)) {
	UpdateModel model = UpdateUI.getDefault().getUpdateModel();
	model.fireObjectChanged(bookmark, null);
	updateSearchRequest();
	}
	}
	}

	private void handleImport() {
	SiteBookmark[] siteBookmarks = SitesImportExport.getImportedBookmarks(getShell());
	if (siteBookmarks != null && siteBookmarks.length > 0) {
	UpdateModel model = UpdateUI.getDefault().getUpdateModel();
	SiteBookmark[] currentBookmarks = getAllSiteBookmarks();
	for (int i=0; i<siteBookmarks.length; i++) {
	boolean siteExists = false;
	for (int j=0; !siteExists && j<currentBookmarks.length; j++)
	if (currentBookmarks[j].getURL().equals(siteBookmarks[i].getURL()))
	siteExists = true;
	if (!siteExists)
	model.addBookmark(siteBookmarks[i]);
	}
	model.saveBookmarks();
	updateSearchRequest();
	}
	return;
	}

	private void handleExport() {
	SitesImportExport.exportBookmarks(getShell(), getAllSiteBookmarks());
	}

	private int handleNameEdit(SiteBookmark bookmark) {
	EditSiteDialog dialog = new EditSiteDialog(getShell(), bookmark, getAllSiteBookmarks(), true);
	dialog.create();
	String title = bookmark.isLocal() ? UpdateUIMessages.SitePage_dialogEditLocal : UpdateUIMessages.SitePage_dialogEditUpdateSite;
	// //$NON-NLS-2$
	dialog.getShell().setText(title);
	int rc = dialog.open();
	return rc;
	}

	private void handleSiteChecked(SiteBookmark bookmark, boolean checked) {
	if (bookmark.isUnavailable()) {
	bookmark.setSelected(false);
	viewer.setChecked(bookmark, false);
	return;
	}

	bookmark.setSelected(checked);
	updateSearchRequest();
	}


	private void handleSelectionChanged(IStructuredSelection ssel) {
	boolean enable = false;
	Object item = ssel.getFirstElement();
	String description = null;
	if (item instanceof SiteBookmark) {
	enable = !((SiteBookmark) item).isReadOnly();
	description = ((SiteBookmark)item).getDescription();
	} else if (item instanceof SiteCategory) {
	// IURLEntry descEntry = ((SiteCategory)item).getCategory().getDescription();
	// if (descEntry != null)
	// description = descEntry.getAnnotation();
	}
	editButton.setEnabled(enable);
	removeButton.setEnabled(enable);

	if (description == null)
	description = ""; //$NON-NLS-1$
	descLabel.setText(UpdateManagerUtils.getWritableXMLString(description));
	}

	private void updateSearchRequest() {
	Object[] checked = viewer.getCheckedElements();

	UpdateSearchScope scope = new UpdateSearchScope();
	int nsites = 0;

	for (int i = 0; i < checked.length; i++) {
	if (checked[i] instanceof SiteBookmark) {
	SiteBookmark bookmark = (SiteBookmark) checked[i];
	scope.addSearchSite(
	bookmark.getLabel(),
	bookmark.getURL(),
	bookmark.getIgnoredCategories());
	nsites++;
	}
	}
	searchRequest.setScope(scope);
	setPageComplete(nsites > 0);
	}

	public UpdateSearchRequest getSearchRequest() {
	return searchRequest;
	}

	public void setVisible(boolean value) {
	super.setVisible(value);
	if (value) {
	// Reset all unavailable sites, so they can be tried again if the user wants it
	SiteBookmark[] bookmarks = getAllSiteBookmarks();
	for (int i=0; i<bookmarks.length; i++) {
	if (bookmarks[i].isUnavailable())
	bookmarks[i].setUnavailable(false);
	}
	automaticallySelectMirrors = UpdateCore.getPlugin().getPluginPreferences().getBoolean(UpdateCore.P_AUTOMATICALLY_CHOOSE_MIRROR);
	automaticallySelectMirrorsCheckbox.setSelection(automaticallySelectMirrors);
	}
	}

	private SiteBookmark[] getAllSiteBookmarks() {
	UpdateModel model = UpdateUI.getDefault().getUpdateModel();
	Object[] bookmarks = model.getBookmarkLeafs();
	Object[] sitesToVisit =
	discoveryFolder.getChildren(discoveryFolder);
	SiteBookmark[] all = new SiteBookmark[bookmarks.length + sitesToVisit.length];
	System.arraycopy(bookmarks, 0, all, 0, bookmarks.length);
	System.arraycopy(
	sitesToVisit,
	0,
	all,
	bookmarks.length,
	sitesToVisit.length);
	return all;
	}

	public boolean isPageComplete() {
	return viewer.getCheckedElements().length != 0;
	}
	}