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/*******************************************************************************
* Copyright (c) 2001, 2009 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
* Naoki Akiyama (Fujitsu) - bug 187172 - fix attribute grouping
*
*******************************************************************************/
package org.eclipse.wst.dtd.ui.views.contentoutline;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
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.wst.dtd.core.internal.AttributeList;
import org.eclipse.wst.dtd.core.internal.CMGroupNode;
import org.eclipse.wst.dtd.core.internal.CMNode;
import org.eclipse.wst.dtd.core.internal.DTDFile;
import org.eclipse.wst.dtd.core.internal.DTDNode;
import org.eclipse.wst.dtd.core.internal.Element;
import org.eclipse.wst.dtd.core.internal.NodeList;
import org.eclipse.wst.dtd.core.internal.document.DTDModelImpl;
import org.eclipse.wst.dtd.core.internal.parser.DTDRegionTypes;
import org.eclipse.wst.dtd.core.internal.util.LabelValuePair;
import org.eclipse.wst.dtd.ui.internal.DTDUIMessages;
import org.eclipse.wst.dtd.ui.internal.editor.DTDEditorPluginImageHelper;
import org.eclipse.wst.dtd.ui.internal.editor.DTDEditorPluginImages;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddAttributeAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddAttributeListAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddCommentAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddElementAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddElementToContentModelAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddEntityAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddGroupToContentModelAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddNotationAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.AddParameterEntityReferenceAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.DeleteAction;
import org.eclipse.wst.dtd.ui.internal.views.contentoutline.actions.ReplaceEmptyContentModelWithGroupAction;
/**
* Menu helper for Content Outline page. This should not be used elsewhere.
*/
class DTDContextMenuHelper {
class DTDMenuListener implements IMenuListener {
public void menuAboutToShow(IMenuManager manager) {
// update the action selection now
addNotationAction.selectionChanged(fViewerSelection);
addEntityAction.selectionChanged(fViewerSelection);
addElementAction.selectionChanged(fViewerSelection);
addCommentAction.selectionChanged(fViewerSelection);
addParameterEntityReferenceAction.selectionChanged(fViewerSelection);
deleteAction.selectionChanged(fViewerSelection);
addAttributeAction.selectionChanged(fViewerSelection);
addAttributeListAction.selectionChanged(fViewerSelection);
addGroupToContentModelAction.selectionChanged(fViewerSelection);
addElementToContentModelAction.selectionChanged(fViewerSelection);
replaceEmptyContentModelWithGroupAction.selectionChanged(fViewerSelection);
if (!fViewerSelection.isEmpty()) {
addActionItemsForSelection(fViewerSelection.getFirstElement(), manager);
}
}
}
class ViewerSelectionChangeListener implements ISelectionChangedListener {
public void selectionChanged(SelectionChangedEvent event) {
_selectionChanged(event);
}
}
AddAttributeAction addAttributeAction;
AddAttributeListAction addAttributeListAction;
AddCommentAction addCommentAction;
AddElementAction addElementAction;
AddElementToContentModelAction addElementToContentModelAction;
AddEntityAction addEntityAction;
AddGroupToContentModelAction addGroupToContentModelAction;
AddNotationAction addNotationAction;
AddParameterEntityReferenceAction addParameterEntityReferenceAction;
DeleteAction deleteAction;
private ISelectionChangedListener fInternalSelectionChangedListener = new ViewerSelectionChangeListener();
private IMenuListener fMenuListener;
private DTDModelImpl fModel;
private List fViewerList;
IStructuredSelection fViewerSelection = StructuredSelection.EMPTY;
ReplaceEmptyContentModelWithGroupAction replaceEmptyContentModelWithGroupAction;
public DTDContextMenuHelper(DTDModelImpl model) {
fModel = model;
fViewerList = new ArrayList(1);
fMenuListener = new DTDMenuListener();
addNotationAction = new AddNotationAction(model, DTDUIMessages._UI_ACTION_ADD_DTD_NOTATION); //$NON-NLS-1$
addEntityAction = new AddEntityAction(model, DTDUIMessages._UI_ACTION_ADD_DTD_ENTITY); //$NON-NLS-1$
addElementAction = new AddElementAction(model, DTDUIMessages._UI_ACTION_ADD_DTD_ELEMENT); //$NON-NLS-1$
addCommentAction = new AddCommentAction(model, DTDUIMessages._UI_ACTION_ADD_DTD_COMMENT); //$NON-NLS-1$
addParameterEntityReferenceAction = new AddParameterEntityReferenceAction(model, DTDUIMessages._UI_ACTION_ADD_PARAM_ENTITY_REF); //$NON-NLS-1$
deleteAction = new DeleteAction(DTDUIMessages._UI_ACTION_DTD_DELETE); //$NON-NLS-1$
addAttributeAction = new AddAttributeAction(model, DTDUIMessages._UI_ACTION_ADD_ATTRIBUTE); //$NON-NLS-1$
addAttributeListAction = new AddAttributeListAction(model, DTDUIMessages._UI_ACTION_ADD_ATTRIBUTELIST); //$NON-NLS-1$
addGroupToContentModelAction = new AddGroupToContentModelAction(model, DTDUIMessages._UI_ACTION_GROUP_ADD_GROUP); //$NON-NLS-1$
addElementToContentModelAction = new AddElementToContentModelAction(model, DTDUIMessages._UI_ACTION_ADD_ELEMENT); //$NON-NLS-1$
replaceEmptyContentModelWithGroupAction = new ReplaceEmptyContentModelWithGroupAction(model, DTDUIMessages._UI_ACTION_GROUP_ADD_GROUP); //$NON-NLS-1$
addNotationAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_OBJ_ADD_NOTATION));
addEntityAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_OBJ_ADD_ENTITY));
addCommentAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_OBJ_ADD_COMMENT));
addParameterEntityReferenceAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_OBJ_ADD_ENTITY_REFERENCE));
// Tri-state images
addElementAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_ETOOL_ADD_ELEMENT));
addElementAction.setHoverImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_CTOOL_ADD_ELEMENT));
addElementAction.setDisabledImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_DTOOL_ADD_ELEMENT));
addAttributeAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_ETOOL_ADD_ATTRIBUTE));
addAttributeAction.setHoverImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_CTOOL_ADD_ATTRIBUTE));
addAttributeAction.setDisabledImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_DTOOL_ADD_ATTRIBUTE));
addAttributeListAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_ETOOL_ADD_ATTRIBUTE));
addAttributeListAction.setHoverImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_CTOOL_ADD_ATTRIBUTE));
addAttributeListAction.setDisabledImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_DTOOL_ADD_ATTRIBUTE));
addGroupToContentModelAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_ETOOL_ADD_GROUPTOCONMODEL));
addGroupToContentModelAction.setHoverImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_CTOOL_ADD_GROUPTOCONMODEL));
addGroupToContentModelAction.setDisabledImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_DTOOL_ADD_GROUPTOCONMODEL));
addElementToContentModelAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_ETOOL_ADD_ELEMENTTOCONMODEL));
addElementToContentModelAction.setHoverImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_CTOOL_ADD_ELEMENTTOCONMODEL));
addElementToContentModelAction.setDisabledImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_DTOOL_ADD_ELEMENTTOCONMODEL));
// use the same images as addGroupToContentModelAction
replaceEmptyContentModelWithGroupAction.setImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_ETOOL_ADD_GROUPTOCONMODEL));
replaceEmptyContentModelWithGroupAction.setHoverImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_CTOOL_ADD_GROUPTOCONMODEL));
replaceEmptyContentModelWithGroupAction.setDisabledImageDescriptor(DTDEditorPluginImageHelper.getInstance().getImageDescriptor(DTDEditorPluginImages.IMG_DTOOL_ADD_GROUPTOCONMODEL));
}
void _selectionChanged(SelectionChangedEvent event) {
/*
* Save the selection so we only notify the actions when the menu is
* shown
*/
ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection) {
fViewerSelection = (IStructuredSelection) selection;
}
else {
fViewerSelection = StructuredSelection.EMPTY;
}
}
void addActionItemsForSelection(Object selectedObject, IMenuManager menu) {
if (selectedObject instanceof NodeList) {
// add appropriate menu to logical view
NodeList folder = (NodeList) selectedObject;
if (folder.getListType().equals(DTDRegionTypes.NOTATION_TAG)) {
menu.add(addNotationAction);
}
else if (folder.getListType().equals(DTDRegionTypes.ENTITY_TAG)) {
menu.add(addEntityAction);
}
else if (folder.getListType().equals(DTDRegionTypes.ELEMENT_TAG)) {
LabelValuePair[] availableEntities = fModel.createParmEntityContentItems(null);
addParameterEntityReferenceAction.setEnabled(availableEntities.length > 0);
menu.add(addElementAction);
menu.add(addParameterEntityReferenceAction);
}
else if (folder.getListType().equals(DTDRegionTypes.ATTLIST_TAG)) {
menu.add(addAttributeListAction);
}
}
if (selectedObject instanceof DTDFile || selectedObject == null) {
LabelValuePair[] availableEntities = fModel.createParmEntityContentItems(null);
addParameterEntityReferenceAction.setEnabled(availableEntities.length > 0);
menu.add(addElementAction);
menu.add(addEntityAction);
menu.add(addNotationAction);
menu.add(addParameterEntityReferenceAction);
menu.add(addCommentAction);
menu.add(addAttributeListAction);
menu.add(new Separator());
}
if (selectedObject instanceof Element) {
Element dtdElement = (Element) selectedObject;
CMNode contentModel = dtdElement.getContentModel();
if (contentModel == null) {
menu.add(addGroupToContentModelAction);
menu.add(addElementToContentModelAction);
}
else if (contentModel != null && CMNode.EMPTY.equals(contentModel.getType())) {
menu.add(replaceEmptyContentModelWithGroupAction);
}
menu.add(addAttributeAction);
}
else if (selectedObject instanceof CMGroupNode) {
menu.add(addElementToContentModelAction);
menu.add(addGroupToContentModelAction);
}
else if (selectedObject instanceof AttributeList) {
menu.add(addAttributeAction);
}
menu.add(new Separator());
addEditActions(menu);
menu.add(new Separator());
if (selectedObject instanceof DTDNode && !(selectedObject instanceof CMNode && ((CMNode) selectedObject).isRootElementContent())) {
menu.add(deleteAction);
deleteAction.setEnabled(true);
}
}
void addEditActions(IMenuManager menu) {
// menu.add(undoAction);
// menu.add(redoAction);
// menu.add(new Separator());
// menu.add(cutAction);
// menu.add(copyAction);
// menu.add(pasteAction);
}
public void createMenuListenersFor(Viewer viewer) {
viewer.addSelectionChangedListener(fInternalSelectionChangedListener);
ISelection selection = viewer.getSelection();
if (selection instanceof IStructuredSelection) {
fViewerSelection = (IStructuredSelection) selection;
}
else {
fViewerSelection = StructuredSelection.EMPTY;
}
fViewerList.add(viewer);
}
public IMenuListener getMenuListener() {
return fMenuListener;
}
public void removeMenuListenersFor(Viewer viewer) {
viewer.removeSelectionChangedListener(fInternalSelectionChangedListener);
fViewerList.remove(viewer);
}
}
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