/******************************************************************************* * Copyright (c) 2006 Sybase, Inc. 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: * Sybase, Inc. - initial API and implementation *******************************************************************************/ package org.eclipse.jst.pagedesigner.jsf.ui.sections; import java.util.ArrayList; import java.util.Arrays; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.ICellModifier; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ILabelProviderListener; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TextCellEditor; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jst.jsf.core.internal.tld.IJSFConstants; import org.eclipse.jst.jsf.core.internal.tld.ITLDConstants; import org.eclipse.jst.pagedesigner.commands.single.AddSubNodeCommand; import org.eclipse.jst.pagedesigner.commands.single.ChangeAttributeCommand; import org.eclipse.jst.pagedesigner.commands.single.RemoveSubNodeCommand; import org.eclipse.jst.pagedesigner.properties.BaseCustomSection; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CCombo; 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.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; import org.eclipse.ui.IWorkbenchPart; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; import org.w3c.dom.Node; import org.w3c.dom.NodeList; /** * @author mengbo * @version 1.5 */ public class JSFHtmlInputOthersSection extends BaseCustomSection { private Table _validatorsTable, _convertorsTable, _listenersTable; private TableViewer _validatorsViewer, _convertorsViewer, _listenersViewer; private Button _validateAddButton, _validateRemoveButton; private Button _convertAddButton, _convertRemoveButton; private Button _listenAddButton, _listenRemoveButton; private CCombo _validateTypeCombo, _convertTypeCombo, _listenTypeCombo; final private static String[] VALIDATETYPES = { "DoubleRange", "Length", "LongRange" //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ }; final private static String[] CONVERTTYPES = { "DateTime", "Number" //$NON-NLS-1$ //$NON-NLS-2$ }; final private static String[] LISTENTYPES = { "ValueChange" //$NON-NLS-1$ }; final private static String[] VALIDATORS_COLUMN_NAMES = { IJSFConstants.TAG_VALIDATOR, IJSFConstants.ATTR_MINIMUM, IJSFConstants.ATTR_MAXIMUM }; private class ValidateContentLabelProvider implements IStructuredContentProvider, ITableLabelProvider { /* (non-Javadoc) * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) */ public Object[] getElements(Object inputElement) { IDOMElement root = _element; List result = new ArrayList(); NodeList children = root.getChildNodes(); for (int i = 0, n = children.getLength(); i < n; i++) { Node child = children.item(i); if (child.getNodeType() == Node.ELEMENT_NODE) { IDOMElement element = (IDOMElement) child; String nodeName = element.getNodeName(); if (nodeName.indexOf("validat") != -1) //$NON-NLS-1$ { result.add(child); } } } if (result.isEmpty()) { return new Object[0]; } return result.toArray(new IDOMElement[result.size()]); } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { // no support for input changed } public String getColumnText(Object element, int columnIndex) { String result = null; if (element instanceof IDOMElement) { IDOMElement node = (IDOMElement) element; String nodeName = node.getNodeName(); switch (columnIndex) { case 0: result = nodeName; break; case 1: result = node.getAttribute(IJSFConstants.ATTR_MINIMUM); break; case 2: result = node.getAttribute(IJSFConstants.ATTR_MAXIMUM); break; default: break; } } return result != null ? result : ""; //$NON-NLS-1$ } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { // nothing to dispose } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int) */ public Image getColumnImage(Object element, int columnIndex) { return null; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) */ public void addListener(ILabelProviderListener listener) { // TODO: no support for listeners? } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) */ public boolean isLabelProperty(Object element, String property) { return false; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) */ public void removeListener(ILabelProviderListener listener) { // TODO: no support for listeners? } } private class ValidateCellModifier implements ICellModifier { /* (non-Javadoc) * @see org.eclipse.jface.viewers.ICellModifier#canModify(java.lang.Object, java.lang.String) */ public boolean canModify(Object element, String property) { int columnIndex = getColumnNames().indexOf(property); if (columnIndex == 0) { return false; } return true; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ICellModifier#getValue(java.lang.Object, java.lang.String) */ public Object getValue(Object element, String property) { int columnIndex = getColumnNames().indexOf(property); Object result = null; IDOMElement node = (IDOMElement) element; switch (columnIndex) { case 0: // Node Name result = node.getNodeName(); break; case 1: // Min result = node.getAttribute(IJSFConstants.ATTR_MINIMUM); break; case 2: // Max result = node.getAttribute(IJSFConstants.ATTR_MAXIMUM); break; default: result = ""; //$NON-NLS-1$ } return result != null ? result : ""; //$NON-NLS-1$ } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ICellModifier#modify(java.lang.Object, java.lang.String, java.lang.Object) */ public void modify(Object element, String property, Object value) { int columnIndex = getColumnNames().indexOf(property); TableItem item = (TableItem) element; IDOMElement node = (IDOMElement) item.getData(); String valueString; ChangeAttributeCommand c; switch (columnIndex) { case 1: // Min valueString = ((String) value).trim(); c = new ChangeAttributeCommand( SectionResources.getString("JSFHtmlInputTextSection.CommandLabel.ChangeAttribute"), node, IJSFConstants.ATTR_MINIMUM, valueString); //$NON-NLS-1$ c.execute(); break; case 2: // Max valueString = ((String) value).trim(); c = new ChangeAttributeCommand( SectionResources.getString("JSFHtmlInputTextSection.CommandLabel.ChangeAttribute"), node, IJSFConstants.ATTR_MAXIMUM, valueString); //$NON-NLS-1$ c.execute(); break; default: break; } _validatorsViewer.refresh(); // _validatorsViewer.setInput(_element); updateValidateButtonStatus(); } } private class ConvertContentLabelProvider implements IStructuredContentProvider, ITableLabelProvider { /* (non-Javadoc) * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) */ public Object[] getElements(Object inputElement) { IDOMElement root = _element; List result = new ArrayList(); NodeList children = root.getChildNodes(); for (int i = 0, n = children.getLength(); i < n; i++) { Node child = children.item(i); if (child.getNodeType() == Node.ELEMENT_NODE) { IDOMElement element = (IDOMElement) child; String nodeName = element.getNodeName(); if (nodeName.indexOf("convert") != -1) //$NON-NLS-1$ { result.add(child); } } } if (result.isEmpty()) { return new Object[0]; } return result.toArray(new IDOMElement[result.size()]); } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { // do nothing } public String getColumnText(Object element, int columnIndex) { String result = null; if (element instanceof IDOMElement) { IDOMElement node = (IDOMElement) element; String nodeName = node.getNodeName(); switch (columnIndex) { case 0: result = nodeName; break; default: break; } } return result != null ? result : ""; //$NON-NLS-1$ } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { // nothing to dispose } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int) */ public Image getColumnImage(Object element, int columnIndex) { return null; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) */ public void addListener(ILabelProviderListener listener) { // TODO: no support for listeners? } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) */ public boolean isLabelProperty(Object element, String property) { return false; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) */ public void removeListener(ILabelProviderListener listener) { // TODO: no support for listeners? } } private class ListenerContentLabelProvider implements IStructuredContentProvider, ITableLabelProvider { /* (non-Javadoc) * @see org.eclipse.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) */ public Object[] getElements(Object inputElement) { IDOMElement root = _element; List result = new ArrayList(); NodeList children = root.getChildNodes(); for (int i = 0, n = children.getLength(); i < n; i++) { Node child = children.item(i); if (child.getNodeType() == Node.ELEMENT_NODE) { IDOMElement element = (IDOMElement) child; String nodeName = element.getNodeName(); if (nodeName.indexOf("Listener") != -1) //$NON-NLS-1$ { result.add(child); } } } if (result.isEmpty()) { return new Object[0]; } return result.toArray(new IDOMElement[result.size()]); } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IContentProvider#inputChanged(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { // do nothing } public String getColumnText(Object element, int columnIndex) { String result = null; if (element instanceof IDOMElement) { IDOMElement node = (IDOMElement) element; String nodeName = node.getNodeName(); switch (columnIndex) { case 0: result = nodeName; break; default: break; } } return result != null ? result : ""; //$NON-NLS-1$ } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IContentProvider#dispose() */ public void dispose() { // nothing to dispose } /* (non-Javadoc) * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int) */ public Image getColumnImage(Object element, int columnIndex) { return null; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener) */ public void addListener(ILabelProviderListener listener) { // TODO: no support for listeners? } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#isLabelProperty(java.lang.Object, java.lang.String) */ public boolean isLabelProperty(Object element, String property) { return false; } /* (non-Javadoc) * @see org.eclipse.jface.viewers.IBaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener) */ public void removeListener(ILabelProviderListener listener) { // TODO: no support for listeners? } } /** * The default constructor */ public JSFHtmlInputOthersSection() { super(); } public void createControls(Composite parent, TabbedPropertySheetPage aTabbedPropertySheetPage) { super.createControls(parent, aTabbedPropertySheetPage); TabbedPropertySheetWidgetFactory factory = aTabbedPropertySheetPage.getWidgetFactory(); Composite top = factory.createFlatFormComposite(parent); GridLayout layout = new GridLayout(); layout.numColumns = 4; top.setLayout(layout); createValidatePart(factory, top); createConvertPart(factory, top); createListenPart(factory, top); } /** * @param factory * @param other */ private void createConvertPart(TabbedPropertySheetWidgetFactory factory, Composite other) { GridData data; _convertorsTable = factory.createTable(other, SWT.FULL_SELECTION | SWT.MULTI); data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 3; data.verticalSpan = 3; data.heightHint = 50; _convertorsTable.setHeaderVisible(true); _convertorsTable.setLayoutData(data); _convertorsTable.setLinesVisible(true); TableColumn convertColumn = new TableColumn(_convertorsTable, SWT.NONE); convertColumn.setText(SectionResources.getString("JSFHtmlInputTextSection.Converter")); //$NON-NLS-1$ convertColumn.setWidth(150); _convertorsViewer = new TableViewer(_convertorsTable); _convertorsViewer.setContentProvider(new ConvertContentLabelProvider()); _convertorsViewer.setLabelProvider(new ConvertContentLabelProvider()); _convertorsViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { IStructuredSelection selection = (IStructuredSelection) event.getSelection(); if (selection != null) { IDOMElement node = (IDOMElement) selection.getFirstElement(); gotoNode(node); } } }); _convertorsViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { updateConvertButtonStatus(); } }); _convertTypeCombo = factory.createCCombo(other, SWT.READ_ONLY); _convertTypeCombo.setItems(CONVERTTYPES); _convertTypeCombo.select(0); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _convertTypeCombo.setLayoutData(data); _convertAddButton = factory.createButton(other, SectionResources.getString("JSFHtmlInputTextSection.Add"), //$NON-NLS-1$ SWT.NONE); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _convertAddButton.setLayoutData(data); _convertAddButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { Map attributes = new HashMap(); AddSubNodeCommand c = new AddSubNodeCommand(SectionResources .getString("JSFHtmlInputTextSection.CommandLabel.AddSubTag"), _element, "convert" //$NON-NLS-1$ //$NON-NLS-2$ + _convertTypeCombo.getText(), ITLDConstants.URI_JSF_CORE, attributes); c.execute(); _convertorsViewer.refresh(); updateConvertButtonStatus(); } }); _convertRemoveButton = factory.createButton(other, SectionResources.getString("JSFHtmlInputTextSection.Remove"), SWT.NONE); //$NON-NLS-1$ data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _convertRemoveButton.setLayoutData(data); _convertRemoveButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { IStructuredSelection selection = (IStructuredSelection) _convertorsViewer.getSelection(); if (selection != null) { for (Iterator i = selection.iterator(); i.hasNext();) { IDOMElement node = (IDOMElement) i.next(); RemoveSubNodeCommand c = new RemoveSubNodeCommand(SectionResources .getString("JSFHtmlInputTextSection.CommandLabel.RemoveSubTag"), _element, node); //$NON-NLS-1$ c.execute(); } _convertorsViewer.refresh(); updateConvertButtonStatus(); } } }); } /** * @param factory * @param other */ private void createListenPart(TabbedPropertySheetWidgetFactory factory, Composite other) { GridData data; _listenersTable = factory.createTable(other, SWT.FULL_SELECTION | SWT.MULTI); data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 3; data.verticalSpan = 3; data.heightHint = 50; _listenersTable.setHeaderVisible(true); _listenersTable.setLayoutData(data); _listenersTable.setLinesVisible(true); TableColumn listenColumn = new TableColumn(_listenersTable, SWT.NONE); listenColumn.setText(SectionResources.getString("JSFHtmlInputTextSection.Listeners")); //$NON-NLS-1$ listenColumn.setWidth(150); _listenersViewer = new TableViewer(_listenersTable); _listenersViewer.setContentProvider(new ListenerContentLabelProvider()); _listenersViewer.setLabelProvider(new ListenerContentLabelProvider()); _listenersViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { IStructuredSelection selection = (IStructuredSelection) event.getSelection(); if (selection != null) { IDOMElement node = (IDOMElement) selection.getFirstElement(); gotoNode(node); } } }); _listenersViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { updateListenButtonStatus(); } }); _listenTypeCombo = factory.createCCombo(other, SWT.READ_ONLY); _listenTypeCombo.setItems(LISTENTYPES); _listenTypeCombo.select(0); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _listenTypeCombo.setLayoutData(data); _listenAddButton = factory.createButton(other, SectionResources.getString("JSFHtmlInputTextSection.Add"), //$NON-NLS-1$ SWT.NONE); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _listenAddButton.setLayoutData(data); _listenAddButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { Map attributes = new HashMap(); String listener = _listenTypeCombo.getText(); listener = listener.substring(0, 1).toLowerCase() + listener.substring(1) + "Listener"; //$NON-NLS-1$ AddSubNodeCommand c = new AddSubNodeCommand( SectionResources.getString("JSFHtmlInputTextSection.CommandLabel.AddSubTag"), _element, listener, ITLDConstants.URI_JSF_CORE, attributes); //$NON-NLS-1$ c.execute(); _listenersViewer.refresh(); updateListenButtonStatus(); } }); _listenRemoveButton = factory.createButton(other, SectionResources.getString("JSFHtmlInputTextSection.Remove"), SWT.NONE); //$NON-NLS-1$ data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _listenRemoveButton.setLayoutData(data); _listenRemoveButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { IStructuredSelection selection = (IStructuredSelection) _listenersViewer.getSelection(); if (selection != null) { for (Iterator i = selection.iterator(); i.hasNext();) { IDOMElement node = (IDOMElement) i.next(); RemoveSubNodeCommand c = new RemoveSubNodeCommand(SectionResources .getString("JSFHtmlInputTextSection.CommandLabel.RemoveSubTag"), _element, node); //$NON-NLS-1$ c.execute(); } _listenersViewer.refresh(); updateListenButtonStatus(); } } }); } /** * @param factory * @param other */ private void createValidatePart(TabbedPropertySheetWidgetFactory factory, Composite other) { GridData data; _validatorsTable = factory.createTable(other, SWT.FULL_SELECTION | SWT.MULTI); data = new GridData(GridData.FILL_BOTH); data.horizontalSpan = 3; data.verticalSpan = 3; data.heightHint = 50; _validatorsTable.setHeaderVisible(true); _validatorsTable.setLayoutData(data); _validatorsTable.setLinesVisible(true); TableColumn validateColumn = new TableColumn(_validatorsTable, SWT.NONE); validateColumn.setText(SectionResources.getString("JSFHtmlInputTextSection.Validators")); //$NON-NLS-1$ validateColumn.setWidth(150); TableColumn minColumn = new TableColumn(_validatorsTable, SWT.NONE); minColumn.setText(SectionResources.getString("JSFHtmlInputTextSection.Minimum")); //$NON-NLS-1$ minColumn.setWidth(100); TableColumn maxColumn = new TableColumn(_validatorsTable, SWT.NONE); maxColumn.setText(SectionResources.getString("JSFHtmlInputTextSection.Maximum")); //$NON-NLS-1$ maxColumn.setWidth(100); _validatorsViewer = new TableViewer(_validatorsTable); _validatorsViewer.setColumnProperties(VALIDATORS_COLUMN_NAMES); CellEditor[] editors = new CellEditor[VALIDATORS_COLUMN_NAMES.length]; TextCellEditor textEditor = new TextCellEditor(_validatorsTable); editors[0] = textEditor; textEditor = new TextCellEditor(_validatorsTable); editors[1] = textEditor; textEditor = new TextCellEditor(_validatorsTable); editors[2] = textEditor; _validatorsViewer.setCellEditors(editors); _validatorsViewer.setCellModifier(new ValidateCellModifier()); _validatorsViewer.setContentProvider(new ValidateContentLabelProvider()); _validatorsViewer.setLabelProvider(new ValidateContentLabelProvider()); _validatorsViewer.addDoubleClickListener(new IDoubleClickListener() { public void doubleClick(DoubleClickEvent event) { IStructuredSelection selection = (IStructuredSelection) event.getSelection(); if (selection != null) { IDOMElement node = (IDOMElement) selection.getFirstElement(); gotoNode(node); } } }); _validatorsViewer.addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { updateValidateButtonStatus(); } }); _validateTypeCombo = factory.createCCombo(other, SWT.READ_ONLY); _validateTypeCombo.setItems(VALIDATETYPES); _validateTypeCombo.select(0); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _validateTypeCombo.setLayoutData(data); _validateAddButton = factory.createButton(other, SectionResources.getString("JSFHtmlInputTextSection.Add"), //$NON-NLS-1$ SWT.NONE); data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _validateAddButton.setLayoutData(data); _validateAddButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { Map attributes = new HashMap(); AddSubNodeCommand c = new AddSubNodeCommand(SectionResources .getString("JSFHtmlInputTextSection.CommandLabel.AddSubTag"), _element, "validate" //$NON-NLS-1$ //$NON-NLS-2$ + _validateTypeCombo.getText(), ITLDConstants.URI_JSF_CORE, attributes); c.execute(); _validatorsViewer.refresh(); updateValidateButtonStatus(); } }); _validateRemoveButton = factory.createButton(other, SectionResources .getString("JSFHtmlInputTextSection.Remove"), SWT.NONE); //$NON-NLS-1$ data = new GridData(GridData.HORIZONTAL_ALIGN_FILL); _validateRemoveButton.setLayoutData(data); _validateRemoveButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { IStructuredSelection selection = (IStructuredSelection) _validatorsViewer.getSelection(); if (selection != null) { for (Iterator i = selection.iterator(); i.hasNext();) { IDOMElement node = (IDOMElement) i.next(); RemoveSubNodeCommand c = new RemoveSubNodeCommand(SectionResources .getString("JSFHtmlInputTextSection.CommandLabel.RemoveSubTag"), _element, node); //$NON-NLS-1$ c.execute(); } _validatorsViewer.refresh(); updateValidateButtonStatus(); } } }); } private void updateValidateButtonStatus() { _validateRemoveButton.setEnabled(true); ISelection selection = _validatorsViewer.getSelection(); if (selection == null || selection.isEmpty()) { _validateRemoveButton.setEnabled(false); } if (_validatorsTable.getItemCount() == 0) { _validateRemoveButton.setEnabled(false); } } private void updateConvertButtonStatus() { _convertAddButton.setEnabled(true); _convertRemoveButton.setEnabled(true); ISelection selection = _convertorsViewer.getSelection(); if (selection == null || selection.isEmpty()) { _convertRemoveButton.setEnabled(false); } if (_convertorsTable.getItemCount() == 0) { _convertRemoveButton.setEnabled(false); } if (_convertorsTable.getItemCount() > 0) { _convertAddButton.setEnabled(false); } } private void updateListenButtonStatus() { _listenRemoveButton.setEnabled(true); ISelection selection = _listenersViewer.getSelection(); if (selection == null || selection.isEmpty()) { _listenRemoveButton.setEnabled(false); } if (_listenersTable.getItemCount() == 0) { _listenRemoveButton.setEnabled(false); } } public void setInput(IWorkbenchPart part, ISelection selection) { super.setInput(part, selection); _validatorsViewer.setInput(_element); updateValidateButtonStatus(); _convertorsViewer.setInput(_element); updateConvertButtonStatus(); _listenersViewer.setInput(_element); updateListenButtonStatus(); } private List getColumnNames() { return Arrays.asList(VALIDATORS_COLUMN_NAMES); } protected void notifyChanged(INodeNotifier notifier, int eventType, Object changedFeature, Object oldValue, Object newValue, int pos) { if(_validatorsViewer != null && !_validatorsViewer.getControl().isDisposed()) { _validatorsViewer.refresh(); _convertorsViewer.refresh(); _listenersViewer.refresh(); } } }