Java tutorial
/** * Copyright (C) 2015 Bonitasoft S.A. * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2.0 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.bonitasoft.studio.parameters.property.section; import static org.bonitasoft.studio.common.Messages.removalConfirmationDialogTitle; import java.lang.reflect.InvocationTargetException; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Set; import org.bonitasoft.studio.common.NamingUtils; import org.bonitasoft.studio.common.dialog.OutlineDialog; import org.bonitasoft.studio.common.emf.tools.ModelHelper; import org.bonitasoft.studio.common.log.BonitaStudioLog; import org.bonitasoft.studio.common.properties.AbstractBonitaDescriptionSection; import org.bonitasoft.studio.common.repository.RepositoryManager; import org.bonitasoft.studio.model.parameter.Parameter; import org.bonitasoft.studio.model.parameter.ParameterFactory; import org.bonitasoft.studio.model.parameter.ParameterPackage; import org.bonitasoft.studio.model.process.AbstractProcess; import org.bonitasoft.studio.model.process.Lane; import org.bonitasoft.studio.model.process.ProcessPackage; import org.bonitasoft.studio.parameters.ParameterPlugin; import org.bonitasoft.studio.parameters.action.RemoveParametersOperation; import org.bonitasoft.studio.parameters.i18n.Messages; import org.bonitasoft.studio.parameters.property.section.editingsupport.ParameterDescriptionEditingSupport; import org.bonitasoft.studio.parameters.property.section.editingsupport.ParameterNameEditingSupport; import org.bonitasoft.studio.parameters.property.section.editingsupport.ParameterTypeEditingSupport; import org.bonitasoft.studio.parameters.property.section.provider.ParameterStyledLabelProvider; import org.bonitasoft.studio.parameters.wizard.page.AddParameterWizard; import org.bonitasoft.studio.parameters.wizard.page.EditParameterWizard; import org.bonitasoft.studio.parameters.wizard.page.ParameterWizardDialog; import org.eclipse.core.databinding.ObservablesManager; import org.eclipse.core.databinding.observable.ChangeEvent; import org.eclipse.core.databinding.observable.IChangeListener; import org.eclipse.core.databinding.observable.list.IObservableList; import org.eclipse.core.resources.IncrementalProjectBuilder; import org.eclipse.core.runtime.CoreException; import org.eclipse.emf.databinding.edit.EMFEditObservables; import org.eclipse.emf.databinding.edit.EMFEditProperties; import org.eclipse.emf.databinding.edit.IEMFEditListProperty; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.emf.transaction.TransactionalEditingDomain; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ColumnViewerToolTipSupport; import org.eclipse.jface.viewers.DoubleClickEvent; import org.eclipse.jface.viewers.IDoubleClickListener; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.ViewerSorter; import org.eclipse.jface.window.ToolTip; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Listener; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.progress.IProgressService; import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; import org.eclipse.xtext.ui.XtextProjectHelper; /** * @author Romain Bioteau * */ public class ParameterPropertySection extends AbstractBonitaDescriptionSection implements ISelectionChangedListener, IDoubleClickListener { private TableViewer parameterTableViewer; private TabbedPropertySheetWidgetFactory widgetFactory; private Button removeButton; private ParameterNameEditingSupport nameEditingSupport; private ParameterTypeEditingSupport typeEditingSupport; private Button addButton; private ParameterDescriptionEditingSupport descriptionEditingSupport; protected ObservablesManager observablesManager = new ObservablesManager(); private IChangeListener parametersListener; private IObservableList observeParametersList; private IObservableList observeParametersNameList; private IObservableList observeParametersDescriptionList; private IObservableList observeParametersTypeList; private Button updateButton; @Override protected void createContent(final Composite parent) { widgetFactory = getWidgetFactory(); parent.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 180).create()); final Composite mainComposite = widgetFactory.createComposite(parent); mainComposite .setLayout(GridLayoutFactory.fillDefaults().numColumns(1).extendedMargins(0, 20, 0, 10).create()); mainComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); createParameterComposite(mainComposite); updateButtons(); } protected void createParameterComposite(final Composite parent) { final Composite parameterComposite = getWidgetFactory().createComposite(parent); parameterComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); parameterComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(3).margins(10, 10) .extendedMargins(0, 20, 5, 15).create()); widgetFactory.createLabel(parameterComposite, ""); final Composite buttonsComposite = getWidgetFactory().createComposite(parameterComposite, SWT.NONE); buttonsComposite .setLayout(GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0).spacing(0, 3).create()); buttonsComposite.setLayoutData(GridDataFactory.fillDefaults().align(SWT.FILL, SWT.TOP).create()); createAddParameterButton(buttonsComposite); updateButton = createUpdateParameterButton(buttonsComposite); createRemoveParameterButton(buttonsComposite); parameterTableViewer = new TableViewer(parameterComposite, SWT.BORDER | SWT.MULTI | SWT.NO_FOCUS | SWT.H_SCROLL | SWT.V_SCROLL); parameterTableViewer.getTable().setLayout(GridLayoutFactory.fillDefaults().create()); getWidgetFactory().adapt(parameterTableViewer.getTable(), false, false); parameterTableViewer.getTable() .setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(200, 100).create()); parameterTableViewer.setSorter(new ViewerSorter()); parameterTableViewer.addDoubleClickListener(this); parameterTableViewer.addSelectionChangedListener(this); parameterTableViewer.setContentProvider(new ArrayContentProvider()); parameterTableViewer.setLabelProvider(new ParameterStyledLabelProvider()); ColumnViewerToolTipSupport.enableFor(parameterTableViewer, ToolTip.RECREATE); } protected void createRemoveParameterButton(final Composite buttonsComposite) { removeButton = widgetFactory.createButton(buttonsComposite, Messages.remove, SWT.FLAT); removeButton.setLayoutData(GridDataFactory.fillDefaults().hint(85, SWT.DEFAULT).create()); removeButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { final IStructuredSelection selection = (IStructuredSelection) parameterTableViewer.getSelection(); final StringBuilder sb = new StringBuilder(); for (final Object selectionElement : selection.toList()) { if (selectionElement instanceof Parameter) { sb.append(((Parameter) selectionElement).getName() + "\n"); } } if (sb.length() > 0) { sb.delete(sb.length() - 1, sb.length()); } final String[] buttonList = { IDialogConstants.OK_LABEL, IDialogConstants.CANCEL_LABEL }; final List<Object> selectionList = ((IStructuredSelection) parameterTableViewer.getSelection()) .toList(); final OutlineDialog dialog = new OutlineDialog( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), removalConfirmationDialogTitle, Display.getCurrent().getSystemImage(SWT.ICON_WARNING), NLS.bind(Messages.areYouSureMessage, sb.toString()), MessageDialog.CONFIRM, buttonList, 1, selectionList); final int ok = 0; if (ok == dialog.open()) { for (final Object parameter : selection.toList()) { final RemoveParametersOperation op = new RemoveParametersOperation((Parameter) parameter, (AbstractProcess) getEObject()); op.setEditingDomain(getEditingDomain()); op.setAskConfirmation(true); final IProgressService service = PlatformUI.getWorkbench().getProgressService(); try { service.busyCursorWhile(op); } catch (final InvocationTargetException ex) { BonitaStudioLog.error(ex); } catch (final InterruptedException ex) { BonitaStudioLog.error(ex); } } parameterTableViewer.refresh(); try { RepositoryManager.getInstance().getCurrentRepository().getProject().build( IncrementalProjectBuilder.FULL_BUILD, XtextProjectHelper.BUILDER_ID, Collections.<String, String>emptyMap(), null); } catch (final CoreException e1) { BonitaStudioLog.error(e1, ParameterPlugin.PLUGIN_ID); } } } }); } protected Parameter createDefaultParameter() { final Parameter param = ParameterFactory.eINSTANCE.createParameter(); final AbstractProcess process = (AbstractProcess) getEObject(); final Set<String> names = new HashSet<String>(); for (final Parameter p : process.getParameters()) { names.add(p.getName()); } param.setName(NamingUtils.generateNewName(names, Messages.paramDefaultName, 1)); param.setValue(""); param.setDescription(""); param.setTypeClassname(String.class.getName()); return param; } protected void createAddParameterButton(final Composite buttonsComposite) { addButton = widgetFactory.createButton(buttonsComposite, Messages.add, SWT.FLAT); addButton.setLayoutData(GridDataFactory.fillDefaults().hint(85, SWT.DEFAULT).create()); addButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { openAddParameterWizardDialog(); } }); } private Button createUpdateParameterButton(final Composite parent) { final Button updateButton = getWidgetFactory().createButton(parent, Messages.updateParameter, SWT.FLAT); updateButton.setLayoutData(GridDataFactory.fillDefaults().hint(85, SWT.DEFAULT).create()); updateButton.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(final Event event) { updateParametersAction(); } }); return updateButton; } private void updateParametersAction() { final IStructuredSelection selection = (IStructuredSelection) parameterTableViewer.getSelection(); if (selection.size() != 1) { MessageDialog.openInformation(Display.getCurrent().getActiveShell(), Messages.selectOnlyOneElementTitle, Messages.selectOnlyOneElementMessage); } else { final EditParameterWizard parameterWizard = new EditParameterWizard( ModelHelper.getParentProcess(getEObject()), (Parameter) selection.getFirstElement(), getEditingDomain()); final ParameterWizardDialog dialog = new ParameterWizardDialog(Display.getCurrent().getActiveShell(), parameterWizard, IDialogConstants.OK_LABEL); dialog.open(); parameterTableViewer.refresh(); } } protected void updateButtons() { if (removeButton != null && !removeButton.isDisposed()) { removeButton.setEnabled(parameterTableViewer != null && parameterTableViewer.getSelection() != null && !parameterTableViewer.getSelection().isEmpty()); } if (updateButton != null && !updateButton.isDisposed()) { updateButton.setEnabled(parameterTableViewer != null && parameterTableViewer.getSelection() != null && !parameterTableViewer.getSelection().isEmpty()); } } /* * (non-Javadoc) * @see org.eclipse.gmf.runtime.diagram.ui.properties.sections. * AbstractModelerPropertySection#setEObject(org.eclipse.emf.ecore.EObject) */ @Override public void setEObject(final EObject object) { super.setEObject(object); refreshBindings(); } @Override protected void setEditingDomain(final TransactionalEditingDomain editingDomain) { super.setEditingDomain(editingDomain); if (nameEditingSupport != null) { nameEditingSupport.setTransactionalEditingDomain(editingDomain); typeEditingSupport.setTransactionalEditingDomain(editingDomain); descriptionEditingSupport.setTransactionalEditingDomain(editingDomain); } } private void refreshBindings() { final AbstractProcess process = (AbstractProcess) getEObject(); updateButtons(); if (parameterTableViewer != null && getEObject() != null) { parameterTableViewer .setInput(EMFEditObservables.observeList(getEditingDomain(), process, getParameterFeature())); parameterTableViewer.getTable().forceFocus(); bindParametersTree(); } } private void bindParametersTree() { if (observeParametersList != null && parametersListener != null && observeParametersNameList != null && observeParametersDescriptionList != null && observeParametersTypeList != null) { observeParametersList.removeChangeListener(parametersListener); observeParametersList.dispose(); observeParametersNameList.removeChangeListener(parametersListener); observeParametersNameList.dispose(); observeParametersDescriptionList.removeChangeListener(parametersListener); observeParametersDescriptionList.dispose(); observeParametersTypeList.removeChangeListener(parametersListener); observeParametersTypeList.dispose(); } final IEMFEditListProperty list = EMFEditProperties.list(getEditingDomain(), getParameterFeature()); observeParametersList = list.observe(getEObject()); observeParametersNameList = list.values(ParameterPackage.Literals.PARAMETER__NAME).observe(getEObject()); observeParametersDescriptionList = list.values(ParameterPackage.Literals.PARAMETER__DESCRIPTION) .observe(getEObject()); observeParametersTypeList = list.values(ParameterPackage.Literals.PARAMETER__TYPE_CLASSNAME) .observe(getEObject()); parametersListener = new IChangeListener() { @Override public void handleChange(final ChangeEvent event) { if (!parameterTableViewer.getTable().isDisposed()) { parameterTableViewer.refresh(); } } }; observeParametersList.addChangeListener(parametersListener); observeParametersNameList.addChangeListener(parametersListener); observeParametersDescriptionList.addChangeListener(parametersListener); observeParametersTypeList.addChangeListener(parametersListener); updateButtons(); } @Override protected EObject getEObject() { final EObject eobject = super.getEObject(); return eobject instanceof Lane ? ModelHelper.getParentProcess(eobject) : eobject; } @Override public void refresh() { super.refresh(); updateButtons(); } @Override public String getSectionDescription() { return Messages.createOrRemoveParameterDetail; } @Override public void doubleClick(final DoubleClickEvent event) { updateParametersAction(); } @Override public void selectionChanged(final SelectionChangedEvent event) { updateButtons(); } protected EStructuralFeature getParameterFeature() { return ProcessPackage.Literals.ABSTRACT_PROCESS__PARAMETERS; } public void openAddParameterWizardDialog() { final AddParameterWizard parameterWizard = new AddParameterWizard( ModelHelper.getParentProcess(getEObject()), getEditingDomain()); final ParameterWizardDialog dialog = new ParameterWizardDialog(Display.getCurrent().getActiveShell(), parameterWizard, this); if (dialog.open() == Dialog.OK) { parameterTableViewer.refresh(); } } }