bundles/org.eclipse.wst.xml.ui/src-catalog/org/eclipse/wst/xml/ui/internal/catalog/XMLCatalogEntriesView.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2002, 2008 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
  *     Jens Lukowski/Innoopract - initial renaming/restructuring
  *
  *******************************************************************************/
 package org.eclipse.wst.xml.ui.internal.catalog;

 import java.util.Iterator;

 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Point;
 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.Shell;
 import org.eclipse.wst.xml.core.internal.catalog.Catalog;
 import org.eclipse.wst.xml.core.internal.catalog.CatalogElement;
 import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog;
 import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogElement;
 import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;


 public class XMLCatalogEntriesView extends Composite {
 	protected Button newButton;
 	protected Button editButton;
 	protected Button deleteButton;
 	protected XMLCatalogTreeViewer tableViewer;
 	protected ICatalog workingUserCatalog;
 	protected ICatalog systemCatalog;

 	// protected boolean isPageEnabled = true;

 	public XMLCatalogEntriesView(Composite parent, ICatalog workingUserCatalog, ICatalog systemCatalog) {
 		super(parent, SWT.NONE);
 		this.workingUserCatalog = workingUserCatalog;
 		this.systemCatalog = systemCatalog;

 		GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = 2;
 		this.setLayout(gridLayout);

 		tableViewer = createTableViewer(this);
 		tableViewer.setInput("dummy"); //$NON-NLS-1$

 		// https://bugs.eclipse.org/bugs/show_bug.cgi?id=202692
 		// specifically set size of tree before expanding it
 		Point initialSize = tableViewer.getTree().computeSize(SWT.DEFAULT, SWT.DEFAULT);
 		GridData gridData = new GridData(GridData.FILL_BOTH);
 		gridData.widthHint = initialSize.x;
 		gridData.heightHint = initialSize.y;
 		tableViewer.getControl().setLayoutData(gridData);

 		tableViewer.expandToLevel(2);
 		tableViewer.reveal(XMLCatalogTreeViewer.USER_SPECIFIED_ENTRIES_OBJECT);

 		ISelectionChangedListener listener = new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				updateWidgetEnabledState();
 			}
 		};
 		tableViewer.addSelectionChangedListener(listener);

 		createButtons(this);
 	}

 	public static String removeLeadingSlash(String uri) {
 		// remove leading slash from the value to avoid the whole leading
 		// slash ambiguity problem
 		//
 		if (uri != null) {
 			while (uri.startsWith("/") || uri.startsWith("\\")) //$NON-NLS-1$ //$NON-NLS-2$
 			{
 				uri = uri.substring(1);
 			}
 		}
 		return uri;
 	}

 	protected XMLCatalogTreeViewer createTableViewer(Composite parent) {
 		String headings[] = new String[2];
 		headings[0] = XMLCatalogMessages.UI_LABEL_KEY;
 		headings[1] = XMLCatalogMessages.UI_LABEL_URI;

 		XMLCatalogTreeViewer theTableViewer = new XMLCatalogTreeViewer(parent, workingUserCatalog, systemCatalog);
 		return theTableViewer;
 	}

 	protected void createButtons(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		GridData gd = new GridData();
 		gd.verticalAlignment = GridData.BEGINNING;
 		composite.setLayoutData(gd);
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.marginHeight = 0;
 		gridLayout.marginWidth = 0;
 		gridLayout.marginLeft = 3;
 		composite.setLayout(gridLayout);

 		SelectionListener selectionListener = new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (e.widget == newButton) {
 					performNew();
 				}
 				else if (e.widget == editButton) {
 					performEdit();
 				}
 				else if (e.widget == deleteButton) {
 					performDelete();
 				}
 			}
 		};

 		// add the "New..." button
 		//
 		gd = new GridData();
 		gd.horizontalAlignment = GridData.FILL;
 		gd.grabExcessHorizontalSpace = true;

 		newButton = new Button(composite, SWT.NONE);
 		newButton.setText(XMLCatalogMessages.UI_BUTTON_NEW);
 		// WorkbenchHelp.setHelp(newButton,
 		// XMLBuilderContextIds.XMLP_MAPPING_NEW);
 		newButton.setLayoutData(gd);
 		newButton.addSelectionListener(selectionListener);

 		// add the "Edit..." button
 		//
 		gd = new GridData();
 		gd.horizontalAlignment = GridData.FILL;
 		gd.grabExcessHorizontalSpace = true;
 		editButton = new Button(composite, SWT.NONE);
 		editButton.setText(XMLCatalogMessages.UI_BUTTON_EDIT);
 		// WorkbenchHelp.setHelp(editButton,
 		// XMLBuilderContextIds.XMLP_MAPPING_EDIT);
 		editButton.setLayoutData(gd);
 		editButton.addSelectionListener(selectionListener);

 		// add the "Delete" button
 		//
 		gd = new GridData();
 		gd.horizontalAlignment = GridData.FILL;
 		gd.grabExcessHorizontalSpace = true;
 		deleteButton = new Button(composite, SWT.NONE);
 		deleteButton.setText(XMLCatalogMessages.UI_BUTTON_REMOVE);
 		// WorkbenchHelp.setHelp(deleteButton,
 		// XMLBuilderContextIds.XMLP_MAPPING_DELETE);
 		deleteButton.setLayoutData(gd);
 		deleteButton.addSelectionListener(selectionListener);

 		gd = new GridData();
 		gd.horizontalAlignment = GridData.FILL;
 		gd.grabExcessHorizontalSpace = true;
 		gd.horizontalSpan = 4;

 		Button hiddenButton = new Button(composite, SWT.NONE);
 		hiddenButton.setLayoutData(gd);
 		hiddenButton.setVisible(false);
 		hiddenButton.setEnabled(false);

 		// a cruddy hack so that the PreferenceDialog doesn't close every time
 		// we press 'enter'
 		//
 		getShell().setDefaultButton(hiddenButton);
 		updateWidgetEnabledState();
 	}

 	public void refresh() {
 		tableViewer.refresh();// XMLCatalogTreeViewer.USER_SPECIFIED_ENTRIES_OBJECT);
 	}

 	protected EditCatalogEntryDialog invokeDialog(String title, ICatalogElement entry, ICatalog catalog) {
 		Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
 		EditCatalogEntryDialog dialog = entry != null ? new EditCatalogEntryDialog(shell, entry, catalog) : new EditCatalogEntryDialog(shell, catalog);
 		dialog.create();
 		dialog.getShell().setText(title);
 		dialog.setBlockOnOpen(true);
 		dialog.open();
 		return dialog;
 	}

 	protected EditCatalogEntryDialog invokeDialog(String title, ICatalog catalog) {
 		return invokeDialog(title, null, catalog);
 	}


 	protected void performNew() {

 		// ICatalogEntry newEntry =
 		// (ICatalogEntry)workingUserCatalog.createCatalogElement(ICatalogElement.TYPE_ENTRY);
 		EditCatalogEntryDialog dialog = invokeDialog(XMLCatalogMessages.UI_LABEL_NEW_DIALOG_TITLE, workingUserCatalog);
 		ICatalogElement element = dialog.getCatalogElement();
 		if (dialog.getReturnCode() == Window.OK) {
 			workingUserCatalog.addCatalogElement(element);
 			tableViewer.setSelection(new StructuredSelection(element), true);
 			tableViewer.refresh();
 		}
 	}

 	protected void performEdit() {
 		ISelection selection = tableViewer.getSelection();
 		Object selectedObject = (selection instanceof IStructuredSelection) ? ((IStructuredSelection) selection).getFirstElement() : null;

 		if (selectedObject instanceof ICatalogElement) {
 			ICatalogElement oldEntry = (ICatalogElement) selectedObject;
 			ICatalogElement newEntry = (ICatalogElement) ((CatalogElement) oldEntry).clone();

 			EditCatalogEntryDialog dialog = invokeDialog(XMLCatalogMessages.UI_LABEL_EDIT_DIALOG_TITLE, newEntry, workingUserCatalog);
 			if (dialog.getReturnCode() == Window.OK) {
 				// delete the old value if the 'mapFrom' has changed
 				//
 				workingUserCatalog.removeCatalogElement(oldEntry);

 				// update the new mapping
 				//
 				workingUserCatalog.addCatalogElement(newEntry);
 				tableViewer.setSelection(new StructuredSelection(newEntry));
 			}
 		}
 	}

 	protected void performDelete() {
 		ISelection selection = tableViewer.getSelection();
 		if(selection instanceof IStructuredSelection) {
 			IStructuredSelection structuredSelection = (IStructuredSelection)selection;
 			Iterator iterator = structuredSelection.iterator();
 			while(iterator.hasNext()) {
 				Object selectedObject = iterator.next();
 				if (selectedObject instanceof ICatalogElement) {
 					ICatalogElement catalogElement = (ICatalogElement) selectedObject;
 					workingUserCatalog.removeCatalogElement(catalogElement);
 				}
 			}
 		}
 	}

 	protected void updateWidgetEnabledState() {
 		boolean isEditable = false;
 		ISelection selection = tableViewer.getSelection();
 		boolean multipleSelection = false;
 		if(selection instanceof IStructuredSelection) {
 			IStructuredSelection structuredSelection = (IStructuredSelection)selection;
 			if(structuredSelection.size() > 1) {
 				multipleSelection = true;
 			}
 			Object selectedObject = structuredSelection.getFirstElement();
 			if (selectedObject instanceof ICatalogElement) {
 				ICatalogElement[] elements = ((Catalog) workingUserCatalog).getCatalogElements();
 				// dw List entriesList = new ArrayList(elements.length);
 				for (int i = 0; i < elements.length; i++) {
 					ICatalogElement element = elements[i];
 					isEditable = selectedObject.equals(element);
 					if (isEditable) {
 						break;
 					}
 				}
 			}
 		}

 		// if (isPageEnabled)
 		{
 			editButton.setEnabled(isEditable & !multipleSelection);
 			deleteButton.setEnabled(isEditable);
 		}
 	}

 	/*
 	 * public void setPageEnabled(boolean enabled) { isPageEnabled = enabled;
 	 *
 	 * tableViewer.getControl().setEnabled(isPageEnabled);
 	 *
 	 * newButton.setEnabled(isPageEnabled);
 	 * editButton.setEnabled(isPageEnabled);
 	 * deleteButton.setEnabled(isPageEnabled); }
 	 */
 	public void updatePage() {
 		refresh();
 		updateWidgetEnabledState();
 	}

 	public Viewer getViewer() {
 		return tableViewer;
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2002, 2008 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
	* Jens Lukowski/Innoopract - initial renaming/restructuring
	*
	*******************************************************************************/
	package org.eclipse.wst.xml.ui.internal.catalog;

	import java.util.Iterator;

	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.window.Window;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Point;
	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.Shell;
	import org.eclipse.wst.xml.core.internal.catalog.Catalog;
	import org.eclipse.wst.xml.core.internal.catalog.CatalogElement;
	import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog;
	import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogElement;
	import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;



	public class XMLCatalogEntriesView extends Composite {
	protected Button newButton;
	protected Button editButton;
	protected Button deleteButton;
	protected XMLCatalogTreeViewer tableViewer;
	protected ICatalog workingUserCatalog;
	protected ICatalog systemCatalog;

	// protected boolean isPageEnabled = true;

	public XMLCatalogEntriesView(Composite parent, ICatalog workingUserCatalog, ICatalog systemCatalog) {
	super(parent, SWT.NONE);
	this.workingUserCatalog = workingUserCatalog;
	this.systemCatalog = systemCatalog;

	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 2;
	this.setLayout(gridLayout);

	tableViewer = createTableViewer(this);
	tableViewer.setInput("dummy"); //$NON-NLS-1$

	// https://bugs.eclipse.org/bugs/show_bug.cgi?id=202692
	// specifically set size of tree before expanding it
	Point initialSize = tableViewer.getTree().computeSize(SWT.DEFAULT, SWT.DEFAULT);
	GridData gridData = new GridData(GridData.FILL_BOTH);
	gridData.widthHint = initialSize.x;
	gridData.heightHint = initialSize.y;
	tableViewer.getControl().setLayoutData(gridData);

	tableViewer.expandToLevel(2);
	tableViewer.reveal(XMLCatalogTreeViewer.USER_SPECIFIED_ENTRIES_OBJECT);

	ISelectionChangedListener listener = new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	updateWidgetEnabledState();
	}
	};
	tableViewer.addSelectionChangedListener(listener);

	createButtons(this);
	}

	public static String removeLeadingSlash(String uri) {
	// remove leading slash from the value to avoid the whole leading
	// slash ambiguity problem
	//
	if (uri != null) {
	while (uri.startsWith("/") \|\| uri.startsWith("\\")) //$NON-NLS-1$ //$NON-NLS-2$
	{
	uri = uri.substring(1);
	}
	}
	return uri;
	}

	protected XMLCatalogTreeViewer createTableViewer(Composite parent) {
	String headings[] = new String[2];
	headings[0] = XMLCatalogMessages.UI_LABEL_KEY;
	headings[1] = XMLCatalogMessages.UI_LABEL_URI;

	XMLCatalogTreeViewer theTableViewer = new XMLCatalogTreeViewer(parent, workingUserCatalog, systemCatalog);
	return theTableViewer;
	}

	protected void createButtons(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	GridData gd = new GridData();
	gd.verticalAlignment = GridData.BEGINNING;
	composite.setLayoutData(gd);
	GridLayout gridLayout = new GridLayout();
	gridLayout.marginHeight = 0;
	gridLayout.marginWidth = 0;
	gridLayout.marginLeft = 3;
	composite.setLayout(gridLayout);

	SelectionListener selectionListener = new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (e.widget == newButton) {
	performNew();
	}
	else if (e.widget == editButton) {
	performEdit();
	}
	else if (e.widget == deleteButton) {
	performDelete();
	}
	}
	};

	// add the "New..." button
	//
	gd = new GridData();
	gd.horizontalAlignment = GridData.FILL;
	gd.grabExcessHorizontalSpace = true;

	newButton = new Button(composite, SWT.NONE);
	newButton.setText(XMLCatalogMessages.UI_BUTTON_NEW);
	// WorkbenchHelp.setHelp(newButton,
	// XMLBuilderContextIds.XMLP_MAPPING_NEW);
	newButton.setLayoutData(gd);
	newButton.addSelectionListener(selectionListener);

	// add the "Edit..." button
	//
	gd = new GridData();
	gd.horizontalAlignment = GridData.FILL;
	gd.grabExcessHorizontalSpace = true;
	editButton = new Button(composite, SWT.NONE);
	editButton.setText(XMLCatalogMessages.UI_BUTTON_EDIT);
	// WorkbenchHelp.setHelp(editButton,
	// XMLBuilderContextIds.XMLP_MAPPING_EDIT);
	editButton.setLayoutData(gd);
	editButton.addSelectionListener(selectionListener);

	// add the "Delete" button
	//
	gd = new GridData();
	gd.horizontalAlignment = GridData.FILL;
	gd.grabExcessHorizontalSpace = true;
	deleteButton = new Button(composite, SWT.NONE);
	deleteButton.setText(XMLCatalogMessages.UI_BUTTON_REMOVE);
	// WorkbenchHelp.setHelp(deleteButton,
	// XMLBuilderContextIds.XMLP_MAPPING_DELETE);
	deleteButton.setLayoutData(gd);
	deleteButton.addSelectionListener(selectionListener);

	gd = new GridData();
	gd.horizontalAlignment = GridData.FILL;
	gd.grabExcessHorizontalSpace = true;
	gd.horizontalSpan = 4;

	Button hiddenButton = new Button(composite, SWT.NONE);
	hiddenButton.setLayoutData(gd);
	hiddenButton.setVisible(false);
	hiddenButton.setEnabled(false);

	// a cruddy hack so that the PreferenceDialog doesn't close every time
	// we press 'enter'
	//
	getShell().setDefaultButton(hiddenButton);
	updateWidgetEnabledState();
	}

	public void refresh() {
	tableViewer.refresh();// XMLCatalogTreeViewer.USER_SPECIFIED_ENTRIES_OBJECT);
	}

	protected EditCatalogEntryDialog invokeDialog(String title, ICatalogElement entry, ICatalog catalog) {
	Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
	EditCatalogEntryDialog dialog = entry != null ? new EditCatalogEntryDialog(shell, entry, catalog) : new EditCatalogEntryDialog(shell, catalog);
	dialog.create();
	dialog.getShell().setText(title);
	dialog.setBlockOnOpen(true);
	dialog.open();
	return dialog;
	}

	protected EditCatalogEntryDialog invokeDialog(String title, ICatalog catalog) {
	return invokeDialog(title, null, catalog);
	}


	protected void performNew() {

	// ICatalogEntry newEntry =
	// (ICatalogEntry)workingUserCatalog.createCatalogElement(ICatalogElement.TYPE_ENTRY);
	EditCatalogEntryDialog dialog = invokeDialog(XMLCatalogMessages.UI_LABEL_NEW_DIALOG_TITLE, workingUserCatalog);
	ICatalogElement element = dialog.getCatalogElement();
	if (dialog.getReturnCode() == Window.OK) {
	workingUserCatalog.addCatalogElement(element);
	tableViewer.setSelection(new StructuredSelection(element), true);
	tableViewer.refresh();
	}
	}

	protected void performEdit() {
	ISelection selection = tableViewer.getSelection();
	Object selectedObject = (selection instanceof IStructuredSelection) ? ((IStructuredSelection) selection).getFirstElement() : null;

	if (selectedObject instanceof ICatalogElement) {
	ICatalogElement oldEntry = (ICatalogElement) selectedObject;
	ICatalogElement newEntry = (ICatalogElement) ((CatalogElement) oldEntry).clone();

	EditCatalogEntryDialog dialog = invokeDialog(XMLCatalogMessages.UI_LABEL_EDIT_DIALOG_TITLE, newEntry, workingUserCatalog);
	if (dialog.getReturnCode() == Window.OK) {
	// delete the old value if the 'mapFrom' has changed
	//
	workingUserCatalog.removeCatalogElement(oldEntry);

	// update the new mapping
	//
	workingUserCatalog.addCatalogElement(newEntry);
	tableViewer.setSelection(new StructuredSelection(newEntry));
	}
	}
	}

	protected void performDelete() {
	ISelection selection = tableViewer.getSelection();
	if(selection instanceof IStructuredSelection) {
	IStructuredSelection structuredSelection = (IStructuredSelection)selection;
	Iterator iterator = structuredSelection.iterator();
	while(iterator.hasNext()) {
	Object selectedObject = iterator.next();
	if (selectedObject instanceof ICatalogElement) {
	ICatalogElement catalogElement = (ICatalogElement) selectedObject;
	workingUserCatalog.removeCatalogElement(catalogElement);
	}
	}
	}
	}

	protected void updateWidgetEnabledState() {
	boolean isEditable = false;
	ISelection selection = tableViewer.getSelection();
	boolean multipleSelection = false;
	if(selection instanceof IStructuredSelection) {
	IStructuredSelection structuredSelection = (IStructuredSelection)selection;
	if(structuredSelection.size() > 1) {
	multipleSelection = true;
	}
	Object selectedObject = structuredSelection.getFirstElement();
	if (selectedObject instanceof ICatalogElement) {
	ICatalogElement[] elements = ((Catalog) workingUserCatalog).getCatalogElements();
	// dw List entriesList = new ArrayList(elements.length);
	for (int i = 0; i < elements.length; i++) {
	ICatalogElement element = elements[i];
	isEditable = selectedObject.equals(element);
	if (isEditable) {
	break;
	}
	}
	}
	}

	// if (isPageEnabled)
	{
	editButton.setEnabled(isEditable & !multipleSelection);
	deleteButton.setEnabled(isEditable);
	}
	}

	/*
	* public void setPageEnabled(boolean enabled) { isPageEnabled = enabled;
	*
	* tableViewer.getControl().setEnabled(isPageEnabled);
	*
	* newButton.setEnabled(isPageEnabled);
	* editButton.setEnabled(isPageEnabled);
	* deleteButton.setEnabled(isPageEnabled); }
	*/
	public void updatePage() {
	refresh();
	updateWidgetEnabledState();
	}

	public Viewer getViewer() {
	return tableViewer;
	}


	}