Java tutorial
/******************************************************************************* * Copyright (c) 2004, 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.jsf.facesconfig.ui.page; import org.eclipse.emf.common.notify.AdapterFactory; import org.eclipse.emf.ecore.EClass; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.ISelectionProvider; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.jst.jsf.facesconfig.emf.AttributeType; import org.eclipse.jst.jsf.facesconfig.emf.FacesConfigPackage; import org.eclipse.jst.jsf.facesconfig.emf.FacetType; import org.eclipse.jst.jsf.facesconfig.emf.PropertyType; import org.eclipse.jst.jsf.facesconfig.emf.RendererType; import org.eclipse.jst.jsf.facesconfig.ui.FacesConfigEditor; import org.eclipse.jst.jsf.facesconfig.ui.EditorMessages; import org.eclipse.jst.jsf.facesconfig.ui.page.detail.ComponentDetailsPage; import org.eclipse.jst.jsf.facesconfig.ui.page.detail.ConverterDetailsPage; import org.eclipse.jst.jsf.facesconfig.ui.page.detail.RenderkitDetailsPage; import org.eclipse.jst.jsf.facesconfig.ui.page.detail.ValidatorDetailsPage; import org.eclipse.jst.jsf.facesconfig.ui.section.ComponentMasterSection; import org.eclipse.jst.jsf.facesconfig.ui.section.ConverterMasterSection; import org.eclipse.jst.jsf.facesconfig.ui.section.FacesConfigMasterSection; import org.eclipse.jst.jsf.facesconfig.ui.section.RenderkitMasterSection; import org.eclipse.jst.jsf.facesconfig.ui.section.ValidatorMasterSection; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.forms.IDetailsPage; import org.eclipse.ui.forms.IManagedForm; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.views.contentoutline.ContentOutlinePage; import org.eclipse.ui.views.contentoutline.IContentOutlinePage; /** * The "Components" page of faces config editor. * * @author sfshi * */ public class ComponentsPage extends FacesConfigMasterDetailPage { /** * The id of this page in the faces-config editor. */ public static final String PAGE_ID = "org.eclipse.jst.jsf.facesconfig.ui.page.ComponentsPage"; //$NON-NLS-1$ private IContentOutlinePage contentOutlinePage; /** * Constructor of ComponentsPage; * * @param editor * the facesconfig editor; */ public ComponentsPage(FacesConfigEditor editor) { super(editor, "ComponentsPage", //$NON-NLS-1$ EditorMessages.FacesConfigEditor_Components_TabName); } /** * Create the master sections; * * @see org.eclipse.jst.jsf.facesconfig.ui.page.FacesConfigMasterDetailPage#createMasterSections(Composite, * IManagedForm, FormToolkit, FacesConfigMasterDetailPage) */ protected FacesConfigMasterSection[] createMasterSections(Composite composite, IManagedForm managedForm, FormToolkit toolkit, FacesConfigMasterDetailPage page) { FacesConfigMasterSection componentMaster = new ComponentMasterSection(composite, managedForm, toolkit, page); componentMaster.getSection().setExpanded(true); GridData gd = new GridData(GridData.FILL_BOTH); componentMaster.getSection().setLayoutData(gd); FacesConfigMasterSection converterMaster = new ConverterMasterSection(composite, managedForm, toolkit, page); converterMaster.getSection().setExpanded(false); GridData convertergd = new GridData(GridData.FILL_HORIZONTAL); converterMaster.getSection().setLayoutData(convertergd); FacesConfigMasterSection renderkitMaster = new RenderkitMasterSection(composite, managedForm, toolkit, page); renderkitMaster.getSection().setExpanded(false); GridData renderkitgd = new GridData(GridData.FILL_HORIZONTAL); renderkitMaster.getSection().setLayoutData(renderkitgd); FacesConfigMasterSection validatorMaster = new ValidatorMasterSection(composite, managedForm, toolkit, page); validatorMaster.getSection().setExpanded(false); GridData valicatorgd = new GridData(GridData.FILL_HORIZONTAL); validatorMaster.getSection().setLayoutData(valicatorgd); return new FacesConfigMasterSection[] { componentMaster, converterMaster, renderkitMaster, validatorMaster }; } /** * get the details page; * * @see org.eclipse.jst.jsf.facesconfig.ui.page.FacesConfigMasterDetailPage#getPageKey(Object * object) * @param key * the eClass object of a component. */ public IDetailsPage getPage(Object key) { IDetailsPage detailsPage = null; if (key instanceof EClass) { EClass eClass = (EClass) key; if (eClass.getClassifierID() == FacesConfigPackage.COMPONENT_TYPE) { detailsPage = new ComponentDetailsPage(this); } else if (eClass.getClassifierID() == FacesConfigPackage.RENDER_KIT_TYPE) { detailsPage = new RenderkitDetailsPage(this); } else if (eClass.getClassifierID() == FacesConfigPackage.CONVERTER_TYPE) { detailsPage = new ConverterDetailsPage(this); } else if (eClass.getClassifierID() == FacesConfigPackage.VALIDATOR_TYPE) { detailsPage = new ValidatorDetailsPage(this); } if (detailsPage instanceof ISelectionProvider) { ((ISelectionProvider) detailsPage).addSelectionChangedListener(this); } } return detailsPage; } public Object getAdapter(Class adapter) { if (adapter == IContentOutlinePage.class) { return getOutlinePage(); } return super.getAdapter(adapter); } private IContentOutlinePage getOutlinePage() { if (contentOutlinePage == null) { // The content outline is just a tree. // class ComponentsContentOutlinePage extends ContentOutlinePage { public void createControl(Composite parent) { super.createControl(parent); TreeViewer contentOutlineViewer = getTreeViewer(); contentOutlineViewer.addSelectionChangedListener(this); AdapterFactory adapterFactory = (AdapterFactory) getEditor().getAdapter(AdapterFactory.class); // Set up the tree viewer. contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory)); contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory)); contentOutlineViewer.addFilter(new ViewerFilter() { public boolean select(Viewer viewer, Object parentElement, Object element) { return FacesConfigPackage.eINSTANCE.getComponentType().isInstance(element) || FacesConfigPackage.eINSTANCE.getConverterType().isInstance(element) || FacesConfigPackage.eINSTANCE.getRenderKitType().isInstance(element) || FacesConfigPackage.eINSTANCE.getValidatorType().isInstance(element) || FacesConfigPackage.eINSTANCE.getAttributeType().isInstance(element) || FacesConfigPackage.eINSTANCE.getPropertyType().isInstance(element) || FacesConfigPackage.eINSTANCE.getFacetType().isInstance(element) || FacesConfigPackage.eINSTANCE.getRendererType().isInstance(element); } }); contentOutlineViewer.setSorter(new ViewerSorter()); contentOutlineViewer.setInput(getInput()); } } contentOutlinePage = new ComponentsContentOutlinePage(); // Listen to selection so that we can handle it is a special // way. // contentOutlinePage.addSelectionChangedListener(new ISelectionChangedListener() { // This ensures that we handle selections correctly. public void selectionChanged(SelectionChangedEvent event) { setSelection(event.getSelection()); } }); addSelectionChangedListener((ContentOutlinePage) contentOutlinePage); } return contentOutlinePage; } /** * handle the selection changed event from outline page. * * @param selection */ public void setSelection(ISelection selection) { if (selection instanceof IStructuredSelection) { IStructuredSelection ss = (IStructuredSelection) selection; IStructuredSelection currentSelection = (IStructuredSelection) this.getSelection(); if ((!ss.isEmpty()) && (!currentSelection.isEmpty()) && (ss.getFirstElement() == currentSelection.getFirstElement())) { return; } EObject component = null; if (ss.getFirstElement() instanceof AttributeType || ss.getFirstElement() instanceof PropertyType || ss.getFirstElement() instanceof FacetType || ss.getFirstElement() instanceof RendererType) { component = ((EObject) ss.getFirstElement()).eContainer(); } else if (ss.getFirstElement() instanceof EObject) { component = (EObject) ss.getFirstElement(); } if (component != null) { FacesConfigMasterSection section = null; if (FacesConfigPackage.eINSTANCE.getComponentType().isInstance(component)) { section = getFacesConfigMasterSections()[0]; } else if (FacesConfigPackage.eINSTANCE.getConverterType().isInstance(component)) { section = getFacesConfigMasterSections()[1]; } else if (FacesConfigPackage.eINSTANCE.getRenderKitType().isInstance(component)) { section = getFacesConfigMasterSections()[2]; } else if (FacesConfigPackage.eINSTANCE.getValidatorType().isInstance(component)) { section = getFacesConfigMasterSections()[3]; } if (!section.getSection().isExpanded()) { this.closeOtherSections(section); GridData gd = new GridData(GridData.FILL_BOTH); section.getSection().setLayoutData(gd); section.getSection().setExpanded(true); } IStructuredSelection newselection = new StructuredSelection(component); section.getStructuredViewer().setSelection(newselection); } } } }