Java tutorial
/******************************************************************************* * Copyright (c) 2009 Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is 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: * Red Hat, Inc. - initial API and implementation ******************************************************************************/ package org.jboss.tools.smooks.configuration.editors; import java.util.ArrayList; import java.util.Iterator; import java.util.List; import org.eclipse.emf.common.command.Command; import org.eclipse.emf.common.command.CompoundCommand; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.edit.command.DeleteCommand; import org.eclipse.emf.edit.command.MoveCommand; import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider; import org.eclipse.jface.action.IMenuListener; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.viewers.DecoratingLabelProvider; import org.eclipse.jface.viewers.IElementComparer; 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.ViewerFilter; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.layout.FillLayout; 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.Menu; import org.eclipse.ui.forms.DetailsPart; import org.eclipse.ui.forms.IManagedForm; import org.eclipse.ui.forms.MasterDetailsBlock; import org.eclipse.ui.forms.SectionPart; import org.eclipse.ui.forms.editor.FormEditor; import org.eclipse.ui.forms.widgets.FormToolkit; import org.eclipse.ui.forms.widgets.Section; import org.jboss.tools.smooks.configuration.SmooksConfigurationActivator; import org.jboss.tools.smooks.editor.ISmooksModelProvider; import org.jboss.tools.smooks.model.smooks.DocumentRoot; import org.jboss.tools.smooks.model.smooks.SmooksResourceListType; /** * @author Dart Peng (dpeng@redhat.com) * <p> * Date Apr 1, 2009 */ public class SmooksMasterDetailBlock extends MasterDetailsBlock implements IMenuListener, ISelectionChangedListener { private Section configurationSection; private SectionPart sectionPart; private TreeViewer smooksTreeViewer; private Button addButton; private Button removeButton; private Button upButton; private Button downButton; private String newSmooksElementTitle; private String newSmooksElementDescription; private AdapterFactoryEditingDomain editingDomain = null; private ViewerFilter[] viewerFilters = null; private FormEditor formEditor; private String sectionTitle; private String sectionDescription; public SmooksMasterDetailBlock(FormEditor formEditor, AdapterFactoryEditingDomain editingDomain) { this.editingDomain = editingDomain; this.formEditor = formEditor; } public ViewerFilter[] getViewerFilters() { return viewerFilters; } public void setViewerFilters(ViewerFilter[] viewerFilters) { this.viewerFilters = viewerFilters; } /* * (non-Javadoc) * * @see * org.eclipse.ui.forms.MasterDetailsBlock#createMasterPart(org.eclipse. * ui.forms.IManagedForm, org.eclipse.swt.widgets.Composite) */ @Override protected void createMasterPart(IManagedForm managedForm, Composite parent) { FormToolkit tool = managedForm.getToolkit(); createSmooksTreeViewer(tool, managedForm, parent); } @Override public void createContent(IManagedForm managedForm) { super.createContent(managedForm); GridData gd = new GridData(GridData.FILL_BOTH); gd.horizontalSpan = 2; sashForm.setLayoutData(gd); } /* * (non-Javadoc) * * @see * org.eclipse.ui.forms.MasterDetailsBlock#createToolBarActions(org.eclipse * .ui.forms.IManagedForm) */ @Override protected void createToolBarActions(IManagedForm managedForm) { } /* * (non-Javadoc) * * @see * org.eclipse.ui.forms.MasterDetailsBlock#registerPages(org.eclipse.ui. * forms.DetailsPart) */ @Override protected void registerPages(DetailsPart detailsPart) { SmooksStuffDetailsPageProvider provider = new SmooksStuffDetailsPageProvider(); detailsPart.setPageProvider(provider); // provider.registePage(ResourceType.class, new // SmooksStuffPropertyDetailPage()); detailsPart.registerPage(EObject.class, new SmooksStuffPropertyDetailPage(formEditor, (ISmooksModelProvider) this.formEditor)); } protected void refreshSmooksTreeViewer() { if (smooksTreeViewer.getControl().isDisposed()) { return; } smooksTreeViewer.refresh(); } public void setMainSectionTitle(String sectionTitle) { this.sectionTitle = sectionTitle; } public String getMainSectionTitle() { return sectionTitle; } public String getMainSectionDescription() { return sectionDescription; } public void setMainSectionDescription(String sectionDescription) { this.sectionDescription = sectionDescription; } protected void createSmooksTreeViewer(FormToolkit tool, final IManagedForm managedForm, Composite rootMainControl) { configurationSection = tool.createSection(rootMainControl, Section.TITLE_BAR | Section.DESCRIPTION); if (this.getMainSectionTitle() != null) { configurationSection.setText(getMainSectionTitle()); } if (this.getMainSectionDescription() != null) { configurationSection.setDescription(getMainSectionDescription()); } sectionPart = new SectionPart(configurationSection); managedForm.addPart(sectionPart); GridData gd = new GridData(GridData.FILL_HORIZONTAL); Composite dataTypeComposite = tool.createComposite(configurationSection); configurationSection.setClient(dataTypeComposite); GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = 0; layout.marginWidth = 0; dataTypeComposite.setLayout(layout); Composite tableComposite = tool.createComposite(dataTypeComposite); FillLayout fillLayout = new FillLayout(); fillLayout.marginHeight = 1; fillLayout.marginWidth = 1; tableComposite.setLayout(fillLayout); smooksTreeViewer = new TreeViewer(tableComposite, SWT.NONE); smooksTreeViewer.addSelectionChangedListener(this); smooksTreeViewer.setContentProvider(new AdapterFactoryContentProvider(editingDomain.getAdapterFactory())); smooksTreeViewer.setLabelProvider( new DecoratingLabelProvider(new AdapterFactoryLabelProvider(editingDomain.getAdapterFactory()) { /* * (non-Javadoc) * * @see * org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider# * getText(java.lang.Object) */ @Override public String getText(Object object) { Object obj = AdapterFactoryEditingDomain.unwrap(object); if (obj instanceof EObject) { return super.getText(obj); } return super.getText(object); } }, SmooksConfigurationActivator.getDefault().getWorkbench().getDecoratorManager() .getLabelDecorator())); smooksTreeViewer.setComparer(new IElementComparer() { /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IElementComparer#equals(java.lang * .Object, java.lang.Object) */ public boolean equals(Object a, Object b) { Object elementA = AdapterFactoryEditingDomain.unwrap(a); Object elementB = AdapterFactoryEditingDomain.unwrap(b); if (elementA == elementB) { return true; } return elementA == null ? elementB == null : elementA.equals(elementB); } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.IElementComparer#hashCode(java. * lang.Object) */ public int hashCode(Object element) { return element.hashCode(); } }); if (this.getViewerFilters() != null) { smooksTreeViewer.setFilters(getViewerFilters()); } Object smooksModel = ((ISmooksModelProvider) this.formEditor).getSmooksModel(); if (smooksModel != null) { setTreeViewerModel(smooksModel); } createMenuForViewer(smooksTreeViewer); // formEditor.getSite().setSelectionProvider(smooksTreeViewer); if (formEditor.getEditorSite().getActionBarContributor() instanceof ISelectionChangedListener) { smooksTreeViewer.addSelectionChangedListener( (ISelectionChangedListener) formEditor.getEditorSite().getActionBarContributor()); } smooksTreeViewer.addSelectionChangedListener(this); tableComposite.setBackground(new Color(null, 128, 128, 128)); gd = new GridData(GridData.FILL_BOTH); tableComposite.setLayoutData(gd); tool.paintBordersFor(tableComposite); Composite buttonComposite = tool.createComposite(dataTypeComposite); gd = new GridData(GridData.FILL_VERTICAL); gd.widthHint = 100; buttonComposite.setLayoutData(gd); GridLayout buttonLayout = new GridLayout(); buttonComposite.setLayout(buttonLayout); addButton = tool.createButton(buttonComposite, Messages.SmooksMasterDetailBlock_AddButtonLabel, SWT.NONE); gd = new GridData(GridData.FILL_HORIZONTAL); addButton.setLayoutData(gd); removeButton = tool.createButton(buttonComposite, Messages.SmooksMasterDetailBlock_RemoveButtonlabel, SWT.NONE); gd = new GridData(GridData.FILL_HORIZONTAL); removeButton.setLayoutData(gd); Composite sc = tool.createComposite(buttonComposite); gd = new GridData(GridData.FILL_HORIZONTAL); gd.heightHint = 40; sc.setLayoutData(gd); upButton = tool.createButton(buttonComposite, Messages.SmooksMasterDetailBlock_UpButtonLabel, SWT.NONE); gd = new GridData(GridData.FILL_HORIZONTAL); upButton.setLayoutData(gd); downButton = tool.createButton(buttonComposite, Messages.SmooksMasterDetailBlock_DownButtonLabel, SWT.NONE); gd = new GridData(GridData.FILL_HORIZONTAL); downButton.setLayoutData(gd); // don't display button area gd = new GridData(GridData.FILL_VERTICAL); gd.widthHint = 70; buttonComposite.setLayoutData(gd); // buttonComposite.setVisible(false); hookButtons(); } private void setTreeViewerModel(Object smooksModel) { boolean seted = false; // if (smooksModel instanceof org.jboss.tools.smooks10.model.smooks.DocumentRoot) { // smooksTreeViewer.setInput(((org.jboss.tools.smooks10.model.smooks.DocumentRoot) smooksModel) // .getSmooksResourceList()); // seted = true; // } if (smooksModel instanceof DocumentRoot) { SmooksResourceListType list = ((DocumentRoot) smooksModel).getSmooksResourceList(); try { smooksTreeViewer.setInput(list); seted = true; } catch (Exception e) { e.printStackTrace(); } } if (!seted) { smooksTreeViewer.setInput(smooksModel); } } private EObject getTreeViewerInput() { EObject smooksModel = ((ISmooksModelProvider) this.formEditor).getSmooksModel(); // if (smooksModel instanceof org.jboss.tools.smooks10.model.smooks.DocumentRoot) { // return ((org.jboss.tools.smooks10.model.smooks.DocumentRoot) smooksModel).getSmooksResourceList(); // } if (smooksModel instanceof DocumentRoot) { return (((DocumentRoot) smooksModel).getSmooksResourceList()); } return null; } public List<?> getViewerSelections() { IStructuredSelection selections = (IStructuredSelection) smooksTreeViewer.getSelection(); if (selections == null) return null; return selections.toList(); // List<Object> nl = new ArrayList<Object>(); // for (Iterator<?> iterator = l.iterator(); iterator.hasNext();) { // Object object = (Object) iterator.next(); // // object = AdapterFactoryEditingDomain.unwrap(object); // nl.add(object); // } // return l; } public String getNewSmooksElementTitle() { return newSmooksElementTitle; } public void setNewSmooksElementTitle(String newSmooksElementTitle) { this.newSmooksElementTitle = newSmooksElementTitle; } public String getNewSmooksElementDescription() { return newSmooksElementDescription; } public void setNewSmooksElementDescription(String newSmooksElementDescription) { this.newSmooksElementDescription = newSmooksElementDescription; } private void hookButtons() { removeButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { List<?> list = getViewerSelections(); CompoundCommand ccommand = new CompoundCommand(); for (Iterator<?> iterator = list.iterator(); iterator.hasNext();) { Object object = (Object) iterator.next(); Command command = DeleteCommand.create(editingDomain, object); if (command.canExecute()) { ccommand.append(command); } } editingDomain.getCommandStack().execute(ccommand); } }); downButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { List<?> list = getViewerSelections(); if (list.size() == 1) { Object obj = list.get(0); EObject v = (EObject) AdapterFactoryEditingDomain.unwrap(obj); EObject parent = v.eContainer(); int index = parent.eContents().indexOf(v); Command command = MoveCommand.create(editingDomain, parent, null, obj, index + 1); editingDomain.getCommandStack().execute(command); } } }); upButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { List<?> list = getViewerSelections(); if (list.size() == 1) { Object obj = list.get(0); EObject v = (EObject) AdapterFactoryEditingDomain.unwrap(obj); EObject parent = v.eContainer(); int index = parent.eContents().indexOf(v); Command command = MoveCommand.create(editingDomain, parent, null, obj, index - 1); editingDomain.getCommandStack().execute(command); } } }); } private void createMenuForViewer(TreeViewer smooksTreeViewer2) { MenuManager contextMenu = new MenuManager(); // contextMenu.add(new Separator("additions")); contextMenu.setRemoveAllWhenShown(true); contextMenu.addMenuListener(this); Menu menu = contextMenu.createContextMenu(smooksTreeViewer2.getControl()); smooksTreeViewer2.getControl().setMenu(menu); // formEditor.getSite().registerContextMenu(contextMenu, // new UnwrappingSelectionProvider(smooksTreeViewer2)); } public TreeViewer getSmooksTreeViewer() { return smooksTreeViewer; } public void setSmooksTreeViewer(TreeViewer smooksTreeViewer) { this.smooksTreeViewer = smooksTreeViewer; } public void menuAboutToShow(IMenuManager menuManager) { ((IMenuListener) formEditor.getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager); } public void setSmooksModel(Object model) { if (model != null) { setTreeViewerModel(model); // smooksTreeViewer.setInput(model); } else { smooksTreeViewer.setInput(new Object()); } } /** * * @param selections */ protected void updateButtons(List<?> selections) { removeButton.setEnabled(true); upButton.setEnabled(true); downButton.setEnabled(true); List<?> list = getViewerSelections(); if (list.size() == 1) { Object obj = list.get(0); EObject v = (EObject) AdapterFactoryEditingDomain.unwrap(obj); EObject parent = v.eContainer(); int index = parent.eContents().indexOf(v); Command upCommand = MoveCommand.create(editingDomain, parent, null, obj, index - 1); upButton.setEnabled(upCommand.canExecute()); Command downCommand = MoveCommand.create(editingDomain, parent, null, obj, index + 1); downButton.setEnabled(downCommand.canExecute()); } } /* * (non-Javadoc) * * @see * org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged( * org.eclipse.jface.viewers.SelectionChangedEvent) */ public void selectionChanged(SelectionChangedEvent event) { if (sectionPart != null && sectionPart.getManagedForm() != null) { Object[] objs = ((IStructuredSelection) event.getSelection()).toArray(); List<Object> objList = new ArrayList<Object>(); for (int i = 0; i < objs.length; i++) { Object obj = objs[i]; obj = AdapterFactoryEditingDomain.unwrap(obj); objList.add(obj); } if (objList.isEmpty()) { Object input = smooksTreeViewer.getInput(); if (input instanceof EObject) { Object defaultObj = getEmptyDefaultSelection((EObject) input); if (defaultObj != null) { objList.add(defaultObj); } } } if (objList.isEmpty()) { sectionPart.getManagedForm().fireSelectionChanged(sectionPart, event.getSelection()); } else { sectionPart.getManagedForm().fireSelectionChanged(sectionPart, new StructuredSelection(objList.toArray())); } updateButtons(objList); } if (formEditor instanceof ISelectionProvider) { ((ISelectionProvider) formEditor).setSelection(event.getSelection()); } } protected Object getEmptyDefaultSelection(EObject smooksTreeViewerInput) { return null; // if (((EObject) smooksTreeViewerInput).eContents().isEmpty()) { // return AdapterFactoryEditingDomain.unwrap(((EObject) // smooksTreeViewerInput).eContents().get(0)); // } // return null; } }