| /******************************************************************************* |
| * Copyright (c) 2001, 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| |
| 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(addAttributeAction); |
| } |
| } |
| 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); |
| } |
| // if (!(((Element)selectedObject).getContentModel() instanceof |
| // CMGroupNode)) |
| // { |
| // menu.add(addGroupToContentModelAction); |
| // } |
| // addAttributeAction.setElement(selectedObject); |
| menu.add(addAttributeAction); |
| } |
| else if (selectedObject instanceof CMGroupNode) { |
| // addElementToContentModelAction.setElement(selectedObject); |
| // addGroupToContentModelAction.setElement(selectedObject); |
| 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); |
| // if (selectedObject instanceof DTDElementContent) |
| // { |
| // DTDElementContent content = (DTDElementContent) selectedObject; |
| // if (content.getElement() != null && (content instanceof |
| // DTDPCDataContent || content instanceof DTDEmptyContent)) |
| // { |
| // deleteAction.setEnabled(false); |
| // } // end of if () |
| // } // end of if () |
| } |
| } |
| |
| 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); |
| } |
| } |
