bundles/org.eclipse.wst.xml.ui/src-multipage/org/eclipse/wst/xml/ui/internal/tabletree/XMLTableTreeActionBarContributor.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2004 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.wst.xml.ui.internal.tabletree;

 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.IAction;
 import org.eclipse.jface.action.IContributionManager;
 import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.IToolBarManager;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.action.Separator;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.IEditorPart;
 import org.eclipse.ui.IEditorSite;
 import org.eclipse.ui.IWorkbenchActionConstants;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.IWorkbenchPartSite;
 import org.eclipse.ui.texteditor.ITextEditor;
 import org.eclipse.ui.texteditor.ITextEditorActionConstants;
 import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
 import org.eclipse.wst.sse.ui.internal.StructuredTextEditor;
 import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery;
 import org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.CMDocumentLoader;
 import org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.InferredGrammarBuildingCMDocumentLoader;
 import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryUtil;
 import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
 import org.eclipse.wst.xml.ui.internal.util.SharedXMLEditorPluginImageHelper;
 import org.w3c.dom.Document;

 /**
  *
  */
 public class XMLTableTreeActionBarContributor implements IDesignViewerActionBarContributor {

 	protected IEditorPart editorPart;
 	protected final static String DESIGN_VIEWER_SEPARATOR_1_ID = "sed.tabletree.separator.1"; //$NON-NLS-1$
 	protected final static String DESIGN_VIEWER_SEPARATOR_2_ID = "sed.tabletree.separator.2"; //$NON-NLS-1$
 	protected final static String VALIDATE_XML_ID = "sed.tabletree.validateXML"; //$NON-NLS-1$
 	protected final static String RELOAD_GRAMMAR_ID = "sed.tabletree.reloadGrammar"; //$NON-NLS-1$
 	protected final static String TOGGLE_EDIT_MODE_ID = "sed.tabletree.toggleEditMode"; //$NON-NLS-1$
 	protected final static String EXPAND_ALL_ID = "sed.tabletree.expandAll"; //$NON-NLS-1$
 	protected final static String COLLAPSE_ALL_ID = "sed.tabletree.collapseAll"; //$NON-NLS-1$

 	protected ToggleEditModeAction toggleAction;
 	protected ReloadGrammarAction reloadGrammarAction;
 	//	protected ValidateXMLAction validateXMLAction;
 	protected ViewerExpandCollapseAction expandAction;
 	protected ViewerExpandCollapseAction collapseAction;
 	protected ViewerExpandCollapseAction xmlMenuExpandAction;
 	protected ViewerExpandCollapseAction xmlMenuCollapseAction;

 	public XMLTableTreeActionBarContributor() {
 	}

 	protected void removeContributions(IContributionManager manager) {
 		try {
 			doRemove(manager, DESIGN_VIEWER_SEPARATOR_1_ID);
 			doRemove(manager, DESIGN_VIEWER_SEPARATOR_2_ID);
 			doRemove(manager, VALIDATE_XML_ID);
 			doRemove(manager, RELOAD_GRAMMAR_ID);
 			doRemove(manager, TOGGLE_EDIT_MODE_ID);
 			doRemove(manager, EXPAND_ALL_ID);
 			doRemove(manager, COLLAPSE_ALL_ID);
 		} catch (Exception e) {
 		}
 	}

 	protected void doRemove(IContributionManager manager, String id) {
 		try {
 			if (manager.find(id) != null) {
 				manager.remove(id);
 			}
 		} catch (Exception e) {
 		}
 	}

 	public void init(IActionBars bars, IWorkbenchPage page) {
 		init(bars);
 	}

 	public void init(IActionBars bars) {
 		IToolBarManager tbm = bars.getToolBarManager();

 		IMenuManager xmlMenu = bars.getMenuManager().findMenuUsingPath("org.eclipse.core.runtime.xml.design.xmlmenu"); //$NON-NLS-1$

 		if (xmlMenu == null) {
 			xmlMenu = new MenuManager(XMLEditorMessages.XMLTableTreeActionBarContributor_0, "org.eclipse.core.runtime.xml.design.xmlmenu"); //$NON-NLS-1$
 			bars.getMenuManager().insertBefore(IWorkbenchActionConstants.M_WINDOW, xmlMenu);
 		} else {
 			removeContributions(xmlMenu);
 		}

 		tbm.add(new Separator("DESIGN_VIEWER_SEPARATOR_1_ID")); //$NON-NLS-1$

 		// ValidateXMLAction
 		//
 		// ugly hack ... we don't contribute the generic XML validator if we
 		// already
 		// have a DAD validator contribution (in the case of the DAD editor).
 		// This hack will be removed when defect 212448 is fixed.
 		//
 		//		if (tbm.find("validate.dad.validateDAD") == null) {
 		//			validateXMLAction = new ValidateXMLAction();
 		//			tbm.add(validateXMLAction);
 		//			xmlMenu.add(validateXMLAction);
 		//		}

 		// ToggleEditModeAction
 		//
 		toggleAction = new ToggleEditModeAction();
 		toggleAction.setId(TOGGLE_EDIT_MODE_ID);
 		xmlMenu.add(toggleAction);
 		tbm.add(toggleAction);

 		// ReloadGrammarAction
 		//
 		reloadGrammarAction = new ReloadGrammarAction();
 		reloadGrammarAction.setId(RELOAD_GRAMMAR_ID);
 		tbm.add(reloadGrammarAction);
 		xmlMenu.add(reloadGrammarAction);

 		xmlMenu.add(new Separator());

 		// ExpandCollapseAction
 		//
 		xmlMenuExpandAction = new ViewerExpandCollapseAction(true);
 		xmlMenuExpandAction.setId(EXPAND_ALL_ID);
 		xmlMenuExpandAction.setText(XMLEditorMessages.XMLTableTreeActionBarContributor_1); //$NON-NLS-1$
 		xmlMenu.add(xmlMenuExpandAction);

 		xmlMenuCollapseAction = new ViewerExpandCollapseAction(false);
 		xmlMenuCollapseAction.setId(COLLAPSE_ALL_ID);
 		xmlMenuCollapseAction.setId(EXPAND_ALL_ID);
 		xmlMenuCollapseAction.setText(XMLEditorMessages.XMLTableTreeActionBarContributor_2); //$NON-NLS-1$
 		xmlMenu.add(xmlMenuCollapseAction);
 	}

 	protected void addActionWithId(IMenuManager menuManager, Action action, String id) {
 		action.setId(id);
 		menuManager.add(action);
 	}

 	public void initViewerSpecificContributions(IActionBars bars) {
 		IToolBarManager tbm = bars.getToolBarManager();
 		tbm.add(new Separator(DESIGN_VIEWER_SEPARATOR_2_ID));

 		expandAction = new ViewerExpandCollapseAction(true);
 		expandAction.setId(EXPAND_ALL_ID);
 		tbm.add(expandAction);

 		collapseAction = new ViewerExpandCollapseAction(false);
 		collapseAction.setId(COLLAPSE_ALL_ID);
 		tbm.add(collapseAction);
 	}

 	public void setViewerSpecificContributionsEnabled(boolean enabled) {
 		if (expandAction != null) {
 			expandAction.setEnabled(enabled);
 			xmlMenuExpandAction.setEnabled(enabled);
 		}

 		if (collapseAction != null) {
 			collapseAction.setEnabled(enabled);
 			xmlMenuCollapseAction.setEnabled(enabled);
 		}
 	}

 	public void setActiveEditor(IEditorPart targetEditor) {
 		editorPart = targetEditor;

 		IStructuredModel model = getModelForEditorPart(targetEditor);
 		reloadGrammarAction.setModel(model);
 		toggleAction.setModelQuery(ModelQueryUtil.getModelQuery(model));

 		XMLTableTreeViewer tableTreeViewer = getTableTreeViewerForEditorPart(editorPart);
 		if (tableTreeViewer != null) {
 			expandAction.setViewer(tableTreeViewer);
 			collapseAction.setViewer(tableTreeViewer);

 			xmlMenuExpandAction.setViewer(tableTreeViewer);
 			xmlMenuCollapseAction.setViewer(tableTreeViewer);
 		}

 		if (editorPart instanceof XMLMultiPageEditorPart) {
 			IWorkbenchPartSite site = editorPart.getSite();
 			if (site instanceof IEditorSite) {
 				ITextEditor textEditor = ((XMLMultiPageEditorPart) editorPart).getTextEditor();
 				IActionBars actionBars = ((IEditorSite) site).getActionBars();
 				actionBars.setGlobalActionHandler(ITextEditorActionConstants.UNDO, getAction(textEditor, ITextEditorActionConstants.UNDO));
 				actionBars.setGlobalActionHandler(ITextEditorActionConstants.REDO, getAction(textEditor, ITextEditorActionConstants.REDO));
 			}
 		}

 		// TODO... uncomment this and investigate NPE
 		//
 		// add the cut/copy/paste for text fields
 		// ActionHandlerPlugin.connectPart(editorPart);
 	}

 	protected final IAction getAction(ITextEditor editor, String actionId) {
 		return (editor == null ? null : editor.getAction(actionId));
 	}

 	protected IStructuredModel getModelForEditorPart(IEditorPart targetEditor) {
 		IStructuredModel result = null;
 		if (editorPart instanceof XMLMultiPageEditorPart) {
 			StructuredTextEditor textEditor = ((XMLMultiPageEditorPart) targetEditor).getTextEditor();
 			result = (textEditor != null) ? textEditor.getModel() : null;
 		}
 		return result;
 	}

 	protected XMLTableTreeViewer getTableTreeViewerForEditorPart(IEditorPart targetEditor) {
 		XMLTableTreeViewer result = null;
 		Object object = targetEditor.getAdapter(IDesignViewer.class);
 		if (object instanceof XMLTableTreeViewer) {
 			result = (XMLTableTreeViewer) object;
 		}
 		return result;
 	}

 	/**
 	 *
 	 */
 	public class ToggleEditModeAction extends Action {
 		protected ImageDescriptor onImage = SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_ETOOL_CONSTRAINON);
 		protected ImageDescriptor offImage = SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_ETOOL_CONSTRAINOFF);
 		protected ModelQuery modelQuery;

 		public ToggleEditModeAction() {
 			setAppearanceForEditMode(ModelQuery.EDIT_MODE_CONSTRAINED_STRICT);
 		}

 		public void run() {
 			if (modelQuery != null) {
 				int newState = getNextState(modelQuery.getEditMode());
 				modelQuery.setEditMode(newState);
 				setAppearanceForEditMode(newState);
 			}
 		}

 		public void setModelQuery(ModelQuery newModelQuery) {
 			modelQuery = newModelQuery;
 			if (modelQuery != null) {
 				setAppearanceForEditMode(modelQuery.getEditMode());
 			}
 		}

 		public void setAppearanceForEditMode(int editMode) {
 			if (editMode == ModelQuery.EDIT_MODE_CONSTRAINED_STRICT) {
 				setToolTipText(XMLEditorMessages.XMLTableTreeActionBarContributor_3); //$NON-NLS-1$
 				setText(XMLEditorMessages.XMLTableTreeActionBarContributor_4); //$NON-NLS-1$
 				setImageDescriptor(onImage);
 			} else {
 				setToolTipText(XMLEditorMessages.XMLTableTreeActionBarContributor_5); //$NON-NLS-1$
 				setText(XMLEditorMessages.XMLTableTreeActionBarContributor_6); //$NON-NLS-1$
 				setImageDescriptor(offImage);
 			}
 		}

 		public int getNextState(int editMode) {
 			int result = -1;
 			if (editMode == ModelQuery.EDIT_MODE_CONSTRAINED_STRICT) {
 				result = ModelQuery.EDIT_MODE_UNCONSTRAINED;
 			} else {
 				result = ModelQuery.EDIT_MODE_CONSTRAINED_STRICT;
 			}
 			return result;
 		}
 	}

 	/**
 	 *
 	 */
 	public class ReloadGrammarAction extends Action {
 		protected IStructuredModel model;

 		public ReloadGrammarAction() {
 			setDisabledImageDescriptor(SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_DTOOL_RLDGRMR));
 			setImageDescriptor(SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_ETOOL_RLDGRMR));
 			setToolTipText(XMLEditorMessages.XMLTableTreeActionBarContributor_7); //$NON-NLS-1$
 			setText(XMLEditorMessages.XMLTableTreeActionBarContributor_8); //$NON-NLS-1$
 		}

 		public void setModel(IStructuredModel newModel) {
 			this.model = newModel;
 		}

 		public void run() {
 			if (model != null) {
 				ModelQuery modelQuery = ModelQueryUtil.getModelQuery(model);
 				Document document = ((IDOMModel) model).getDocument();
 				if (modelQuery != null && modelQuery.getCMDocumentManager() != null) {
 					modelQuery.getCMDocumentManager().getCMDocumentCache().clear();
 					// TODO... need to figure out how to access the
 					// DOMObserver via ModelQuery
 					//  ...why?
 					CMDocumentLoader loader = new InferredGrammarBuildingCMDocumentLoader(document, modelQuery);
 					loader.loadCMDocuments();
 				}
 			}
 		}
 	}

 	/**
 	 * @see org.eclipse.ui.IEditorActionBarContributor#dispose()
 	 */
 	public void dispose() {
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2004 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.wst.xml.ui.internal.tabletree;

	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.IAction;
	import org.eclipse.jface.action.IContributionManager;
	import org.eclipse.jface.action.IMenuManager;
	import org.eclipse.jface.action.IToolBarManager;
	import org.eclipse.jface.action.MenuManager;
	import org.eclipse.jface.action.Separator;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.IEditorPart;
	import org.eclipse.ui.IEditorSite;
	import org.eclipse.ui.IWorkbenchActionConstants;
	import org.eclipse.ui.IWorkbenchPage;
	import org.eclipse.ui.IWorkbenchPartSite;
	import org.eclipse.ui.texteditor.ITextEditor;
	import org.eclipse.ui.texteditor.ITextEditorActionConstants;
	import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
	import org.eclipse.wst.sse.ui.internal.StructuredTextEditor;
	import org.eclipse.wst.xml.core.internal.contentmodel.modelquery.ModelQuery;
	import org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.CMDocumentLoader;
	import org.eclipse.wst.xml.core.internal.contentmodel.modelqueryimpl.InferredGrammarBuildingCMDocumentLoader;
	import org.eclipse.wst.xml.core.internal.modelquery.ModelQueryUtil;
	import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
	import org.eclipse.wst.xml.ui.internal.util.SharedXMLEditorPluginImageHelper;
	import org.w3c.dom.Document;

	/**
	*
	*/
	public class XMLTableTreeActionBarContributor implements IDesignViewerActionBarContributor {

	protected IEditorPart editorPart;
	protected final static String DESIGN_VIEWER_SEPARATOR_1_ID = "sed.tabletree.separator.1"; //$NON-NLS-1$
	protected final static String DESIGN_VIEWER_SEPARATOR_2_ID = "sed.tabletree.separator.2"; //$NON-NLS-1$
	protected final static String VALIDATE_XML_ID = "sed.tabletree.validateXML"; //$NON-NLS-1$
	protected final static String RELOAD_GRAMMAR_ID = "sed.tabletree.reloadGrammar"; //$NON-NLS-1$
	protected final static String TOGGLE_EDIT_MODE_ID = "sed.tabletree.toggleEditMode"; //$NON-NLS-1$
	protected final static String EXPAND_ALL_ID = "sed.tabletree.expandAll"; //$NON-NLS-1$
	protected final static String COLLAPSE_ALL_ID = "sed.tabletree.collapseAll"; //$NON-NLS-1$

	protected ToggleEditModeAction toggleAction;
	protected ReloadGrammarAction reloadGrammarAction;
	// protected ValidateXMLAction validateXMLAction;
	protected ViewerExpandCollapseAction expandAction;
	protected ViewerExpandCollapseAction collapseAction;
	protected ViewerExpandCollapseAction xmlMenuExpandAction;
	protected ViewerExpandCollapseAction xmlMenuCollapseAction;

	public XMLTableTreeActionBarContributor() {
	}

	protected void removeContributions(IContributionManager manager) {
	try {
	doRemove(manager, DESIGN_VIEWER_SEPARATOR_1_ID);
	doRemove(manager, DESIGN_VIEWER_SEPARATOR_2_ID);
	doRemove(manager, VALIDATE_XML_ID);
	doRemove(manager, RELOAD_GRAMMAR_ID);
	doRemove(manager, TOGGLE_EDIT_MODE_ID);
	doRemove(manager, EXPAND_ALL_ID);
	doRemove(manager, COLLAPSE_ALL_ID);
	} catch (Exception e) {
	}
	}

	protected void doRemove(IContributionManager manager, String id) {
	try {
	if (manager.find(id) != null) {
	manager.remove(id);
	}
	} catch (Exception e) {
	}
	}

	public void init(IActionBars bars, IWorkbenchPage page) {
	init(bars);
	}

	public void init(IActionBars bars) {
	IToolBarManager tbm = bars.getToolBarManager();

	IMenuManager xmlMenu = bars.getMenuManager().findMenuUsingPath("org.eclipse.core.runtime.xml.design.xmlmenu"); //$NON-NLS-1$

	if (xmlMenu == null) {
	xmlMenu = new MenuManager(XMLEditorMessages.XMLTableTreeActionBarContributor_0, "org.eclipse.core.runtime.xml.design.xmlmenu"); //$NON-NLS-1$
	bars.getMenuManager().insertBefore(IWorkbenchActionConstants.M_WINDOW, xmlMenu);
	} else {
	removeContributions(xmlMenu);
	}

	tbm.add(new Separator("DESIGN_VIEWER_SEPARATOR_1_ID")); //$NON-NLS-1$

	// ValidateXMLAction
	//
	// ugly hack ... we don't contribute the generic XML validator if we
	// already
	// have a DAD validator contribution (in the case of the DAD editor).
	// This hack will be removed when defect 212448 is fixed.
	//
	// if (tbm.find("validate.dad.validateDAD") == null) {
	// validateXMLAction = new ValidateXMLAction();
	// tbm.add(validateXMLAction);
	// xmlMenu.add(validateXMLAction);
	// }

	// ToggleEditModeAction
	//
	toggleAction = new ToggleEditModeAction();
	toggleAction.setId(TOGGLE_EDIT_MODE_ID);
	xmlMenu.add(toggleAction);
	tbm.add(toggleAction);

	// ReloadGrammarAction
	//
	reloadGrammarAction = new ReloadGrammarAction();
	reloadGrammarAction.setId(RELOAD_GRAMMAR_ID);
	tbm.add(reloadGrammarAction);
	xmlMenu.add(reloadGrammarAction);

	xmlMenu.add(new Separator());

	// ExpandCollapseAction
	//
	xmlMenuExpandAction = new ViewerExpandCollapseAction(true);
	xmlMenuExpandAction.setId(EXPAND_ALL_ID);
	xmlMenuExpandAction.setText(XMLEditorMessages.XMLTableTreeActionBarContributor_1); //$NON-NLS-1$
	xmlMenu.add(xmlMenuExpandAction);

	xmlMenuCollapseAction = new ViewerExpandCollapseAction(false);
	xmlMenuCollapseAction.setId(COLLAPSE_ALL_ID);
	xmlMenuCollapseAction.setId(EXPAND_ALL_ID);
	xmlMenuCollapseAction.setText(XMLEditorMessages.XMLTableTreeActionBarContributor_2); //$NON-NLS-1$
	xmlMenu.add(xmlMenuCollapseAction);
	}

	protected void addActionWithId(IMenuManager menuManager, Action action, String id) {
	action.setId(id);
	menuManager.add(action);
	}

	public void initViewerSpecificContributions(IActionBars bars) {
	IToolBarManager tbm = bars.getToolBarManager();
	tbm.add(new Separator(DESIGN_VIEWER_SEPARATOR_2_ID));

	expandAction = new ViewerExpandCollapseAction(true);
	expandAction.setId(EXPAND_ALL_ID);
	tbm.add(expandAction);

	collapseAction = new ViewerExpandCollapseAction(false);
	collapseAction.setId(COLLAPSE_ALL_ID);
	tbm.add(collapseAction);
	}

	public void setViewerSpecificContributionsEnabled(boolean enabled) {
	if (expandAction != null) {
	expandAction.setEnabled(enabled);
	xmlMenuExpandAction.setEnabled(enabled);
	}

	if (collapseAction != null) {
	collapseAction.setEnabled(enabled);
	xmlMenuCollapseAction.setEnabled(enabled);
	}
	}

	public void setActiveEditor(IEditorPart targetEditor) {
	editorPart = targetEditor;

	IStructuredModel model = getModelForEditorPart(targetEditor);
	reloadGrammarAction.setModel(model);
	toggleAction.setModelQuery(ModelQueryUtil.getModelQuery(model));

	XMLTableTreeViewer tableTreeViewer = getTableTreeViewerForEditorPart(editorPart);
	if (tableTreeViewer != null) {
	expandAction.setViewer(tableTreeViewer);
	collapseAction.setViewer(tableTreeViewer);

	xmlMenuExpandAction.setViewer(tableTreeViewer);
	xmlMenuCollapseAction.setViewer(tableTreeViewer);
	}

	if (editorPart instanceof XMLMultiPageEditorPart) {
	IWorkbenchPartSite site = editorPart.getSite();
	if (site instanceof IEditorSite) {
	ITextEditor textEditor = ((XMLMultiPageEditorPart) editorPart).getTextEditor();
	IActionBars actionBars = ((IEditorSite) site).getActionBars();
	actionBars.setGlobalActionHandler(ITextEditorActionConstants.UNDO, getAction(textEditor, ITextEditorActionConstants.UNDO));
	actionBars.setGlobalActionHandler(ITextEditorActionConstants.REDO, getAction(textEditor, ITextEditorActionConstants.REDO));
	}
	}

	// TODO... uncomment this and investigate NPE
	//
	// add the cut/copy/paste for text fields
	// ActionHandlerPlugin.connectPart(editorPart);
	}

	protected final IAction getAction(ITextEditor editor, String actionId) {
	return (editor == null ? null : editor.getAction(actionId));
	}

	protected IStructuredModel getModelForEditorPart(IEditorPart targetEditor) {
	IStructuredModel result = null;
	if (editorPart instanceof XMLMultiPageEditorPart) {
	StructuredTextEditor textEditor = ((XMLMultiPageEditorPart) targetEditor).getTextEditor();
	result = (textEditor != null) ? textEditor.getModel() : null;
	}
	return result;
	}

	protected XMLTableTreeViewer getTableTreeViewerForEditorPart(IEditorPart targetEditor) {
	XMLTableTreeViewer result = null;
	Object object = targetEditor.getAdapter(IDesignViewer.class);
	if (object instanceof XMLTableTreeViewer) {
	result = (XMLTableTreeViewer) object;
	}
	return result;
	}

	/**
	*
	*/
	public class ToggleEditModeAction extends Action {
	protected ImageDescriptor onImage = SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_ETOOL_CONSTRAINON);
	protected ImageDescriptor offImage = SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_ETOOL_CONSTRAINOFF);
	protected ModelQuery modelQuery;

	public ToggleEditModeAction() {
	setAppearanceForEditMode(ModelQuery.EDIT_MODE_CONSTRAINED_STRICT);
	}

	public void run() {
	if (modelQuery != null) {
	int newState = getNextState(modelQuery.getEditMode());
	modelQuery.setEditMode(newState);
	setAppearanceForEditMode(newState);
	}
	}

	public void setModelQuery(ModelQuery newModelQuery) {
	modelQuery = newModelQuery;
	if (modelQuery != null) {
	setAppearanceForEditMode(modelQuery.getEditMode());
	}
	}

	public void setAppearanceForEditMode(int editMode) {
	if (editMode == ModelQuery.EDIT_MODE_CONSTRAINED_STRICT) {
	setToolTipText(XMLEditorMessages.XMLTableTreeActionBarContributor_3); //$NON-NLS-1$
	setText(XMLEditorMessages.XMLTableTreeActionBarContributor_4); //$NON-NLS-1$
	setImageDescriptor(onImage);
	} else {
	setToolTipText(XMLEditorMessages.XMLTableTreeActionBarContributor_5); //$NON-NLS-1$
	setText(XMLEditorMessages.XMLTableTreeActionBarContributor_6); //$NON-NLS-1$
	setImageDescriptor(offImage);
	}
	}

	public int getNextState(int editMode) {
	int result = -1;
	if (editMode == ModelQuery.EDIT_MODE_CONSTRAINED_STRICT) {
	result = ModelQuery.EDIT_MODE_UNCONSTRAINED;
	} else {
	result = ModelQuery.EDIT_MODE_CONSTRAINED_STRICT;
	}
	return result;
	}
	}

	/**
	*
	*/
	public class ReloadGrammarAction extends Action {
	protected IStructuredModel model;

	public ReloadGrammarAction() {
	setDisabledImageDescriptor(SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_DTOOL_RLDGRMR));
	setImageDescriptor(SharedXMLEditorPluginImageHelper.getImageDescriptor(SharedXMLEditorPluginImageHelper.IMG_ETOOL_RLDGRMR));
	setToolTipText(XMLEditorMessages.XMLTableTreeActionBarContributor_7); //$NON-NLS-1$
	setText(XMLEditorMessages.XMLTableTreeActionBarContributor_8); //$NON-NLS-1$
	}

	public void setModel(IStructuredModel newModel) {
	this.model = newModel;
	}

	public void run() {
	if (model != null) {
	ModelQuery modelQuery = ModelQueryUtil.getModelQuery(model);
	Document document = ((IDOMModel) model).getDocument();
	if (modelQuery != null && modelQuery.getCMDocumentManager() != null) {
	modelQuery.getCMDocumentManager().getCMDocumentCache().clear();
	// TODO... need to figure out how to access the
	// DOMObserver via ModelQuery
	// ...why?
	CMDocumentLoader loader = new InferredGrammarBuildingCMDocumentLoader(document, modelQuery);
	loader.loadCMDocuments();
	}
	}
	}
	}

	/**
	* @see org.eclipse.ui.IEditorActionBarContributor#dispose()
	*/
	public void dispose() {
	}
	}