Java tutorial
/** * Copyright (C) 2009-2012 BonitaSoft S.A. * BonitaSoft, 31 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.properties.form.sections.general.contributions; import org.bonitasoft.studio.common.ExpressionConstants; import org.bonitasoft.studio.common.emf.tools.ModelHelper; import org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection; import org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution; import org.bonitasoft.studio.expression.editor.filter.AvailableExpressionTypeFilter; import org.bonitasoft.studio.expression.editor.viewer.ExpressionViewer; import org.bonitasoft.studio.form.properties.i18n.Messages; import org.bonitasoft.studio.model.expression.Expression; import org.bonitasoft.studio.model.expression.ExpressionFactory; import org.bonitasoft.studio.model.form.Form; import org.bonitasoft.studio.model.form.FormPackage; import org.eclipse.core.runtime.IStatus; import org.eclipse.emf.databinding.EMFDataBindingContext; import org.eclipse.emf.databinding.edit.EMFEditObservables; import org.eclipse.emf.databinding.edit.EMFEditProperties; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.edit.command.SetCommand; import org.eclipse.emf.transaction.TransactionalEditingDomain; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.databinding.viewers.ViewerProperties; import org.eclipse.jface.viewers.ISelection; import org.eclipse.swt.SWT; 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.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory; /** * @author Baptiste Mesta * @author Aurelien Pupier : introduce databinding * */ public class ShowPageLabelContribution implements IExtensibleGridPropertySectionContribution { private Form element; private TransactionalEditingDomain editingDomain; private EMFDataBindingContext dataBindingContext; /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#createControl(org.eclipse.swt.widgets.Composite, org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory, org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection) */ public void createControl(Composite composite, TabbedPropertySheetWidgetFactory widgetFactory, ExtensibleGridPropertySection extensibleGridPropertySection) { // composite.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, true, false,2,1)); composite.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, true, false)); composite.setLayout(new GridLayout(3, false)); if (dataBindingContext != null) { dataBindingContext.dispose(); } dataBindingContext = new EMFDataBindingContext(); Button enableLabel = widgetFactory.createButton(composite, "", SWT.CHECK); //$NON-NLS-1$ enableLabel.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false)); enableLabel.setToolTipText(Messages.GeneralSection_EnableLabel_tooltip); dataBindingContext.bindValue(SWTObservables.observeSelection(enableLabel), EMFEditObservables .observeValue(editingDomain, element, FormPackage.Literals.FORM__SHOW_PAGE_LABEL)); enableLabel.setSelection(element.getShowPageLabel() == null || element.getShowPageLabel()); GridData gData = new GridData(SWT.BEGINNING, SWT.CENTER, false, false); gData.widthHint = 250; ExpressionViewer pageLabelExpresssionViewer = new ExpressionViewer(composite, SWT.BORDER, widgetFactory, FormPackage.Literals.FORM__PAGE_LABEL); final Expression pageLabel = element.getPageLabel(); if (pageLabel == null) { editingDomain.getCommandStack().execute(SetCommand.create(editingDomain, element, FormPackage.Literals.FORM__PAGE_LABEL, ExpressionFactory.eINSTANCE.createExpression())); } if (ModelHelper.isAnEntryPageFlowOnAPool(element)) { pageLabelExpresssionViewer .addFilter(new AvailableExpressionTypeFilter(new String[] { ExpressionConstants.CONSTANT_TYPE, ExpressionConstants.PARAMETER_TYPE, ExpressionConstants.SCRIPT_TYPE })); } pageLabelExpresssionViewer.setInput(element); dataBindingContext.bindValue(ViewerProperties.singleSelection().observe(pageLabelExpresssionViewer), EMFEditProperties.value(editingDomain, FormPackage.Literals.FORM__PAGE_LABEL).observe(element)); pageLabelExpresssionViewer.setMessage(Messages.GeneralSection_EnablePageLabel_tooltip, IStatus.INFO); pageLabelExpresssionViewer.getControl().setLayoutData(gData); Button allowHTMLButton = widgetFactory.createButton(composite, Messages.GeneralSection_allowHTML, SWT.CHECK); dataBindingContext.bindValue(SWTObservables.observeSelection(allowHTMLButton), EMFEditObservables .observeValue(editingDomain, element, FormPackage.Literals.FORM__ALLOW_HTML_IN_PAGE_LABEL)); /*Enable/disable the combo for the text and the allow html*/ dataBindingContext.bindValue(SWTObservables.observeEnabled(pageLabelExpresssionViewer.getControl()), SWTObservables.observeSelection(enableLabel)); dataBindingContext.bindValue(SWTObservables.observeEnabled(allowHTMLButton), SWTObservables.observeSelection(enableLabel)); } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#getLabel() */ public String getLabel() { return Messages.GeneralSection_EnablePageLabel; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#isRelevantFor(org.eclipse.emf.ecore.EObject) */ public boolean isRelevantFor(EObject eObject) { return eObject instanceof Form; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#refresh() */ public void refresh() { } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#setEObject(org.eclipse.emf.ecore.EObject) */ public void setEObject(EObject object) { element = (Form) object; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#setEditingDomain(org.eclipse.emf.transaction.TransactionalEditingDomain) */ public void setEditingDomain(TransactionalEditingDomain editingDomain) { this.editingDomain = editingDomain; } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#setSelection(org.eclipse.jface.viewers.ISelection) */ public void setSelection(ISelection selection) { // NOTHING } /* (non-Javadoc) * @see org.bonitasoft.studio.common.properties.IExtensibleGridPropertySectionContribution#dispose() */ public void dispose() { if (dataBindingContext != null) { dataBindingContext.dispose(); } } }