Java tutorial
/** * Copyright (C) 2011 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.common; import java.util.ArrayList; import java.util.List; import org.bonitasoft.studio.common.emf.tools.ModelHelper; import org.bonitasoft.studio.common.jface.databinding.DialogSupport; import org.bonitasoft.studio.common.jface.databinding.validator.EmptyInputValidator; import org.bonitasoft.studio.common.jface.databinding.validator.InputLengthValidator; import org.bonitasoft.studio.common.jface.databinding.validator.UTF8InputValidator; import org.bonitasoft.studio.common.repository.model.IRepositoryStore; import org.bonitasoft.studio.model.process.AbstractProcess; import org.bonitasoft.studio.model.process.MainProcess; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.UpdateValueStrategy; import org.eclipse.core.databinding.beans.PojoProperties; import org.eclipse.core.databinding.validation.IValidator; import org.eclipse.core.databinding.validation.MultiValidator; import org.eclipse.core.databinding.validation.ValidationStatus; import org.eclipse.core.runtime.IStatus; import org.eclipse.jface.databinding.fieldassist.ControlDecorationSupport; import org.eclipse.jface.databinding.swt.ISWTObservableValue; import org.eclipse.jface.databinding.swt.SWTObservables; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; public class OpenNameAndVersionForDiagramDialog extends OpenNameAndVersionDialog { private final List<ProcessesNameVersion> pools = new ArrayList<OpenNameAndVersionForDiagramDialog.ProcessesNameVersion>(); public class ProcessesNameVersion { protected AbstractProcess abstractProcess; protected String newName; protected String newVersion; public ProcessesNameVersion(AbstractProcess pool) { abstractProcess = pool; newName = pool.getName(); newVersion = pool.getVersion(); } public AbstractProcess getAbstractProcess() { return abstractProcess; } public String getNewName() { return newName; } public void setNewName(String newName) { this.newName = newName; } public String getNewVersion() { return newVersion; } public void setNewVersion(String newVersion) { this.newVersion = newVersion; } } /** * @param name * @param version */ public OpenNameAndVersionForDiagramDialog(Shell parentShell, MainProcess diagram, IRepositoryStore diagramStore) { super(parentShell, diagram, diagramStore); for (AbstractProcess pool : ModelHelper.getAllProcesses(diagram)) { pools.add(new ProcessesNameVersion(pool)); } } public OpenNameAndVersionForDiagramDialog(Shell parentShell, MainProcess diagram, IRepositoryStore diagramStore, boolean diagramNameOrVersionChangeMandatory) { super(parentShell, diagram, diagramStore, diagramNameOrVersionChangeMandatory); for (AbstractProcess pool : ModelHelper.getAllProcesses(diagram)) { pools.add(new ProcessesNameVersion(pool)); } } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); } @Override protected Control createDialogArea(Composite parent) { final DataBindingContext dbc = new DataBindingContext(); Composite res = new Composite(parent, SWT.FILL); res.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); res.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).margins(15, 15).create()); createDiagramComposite(res, dbc); createProcessesNameAndVersion(res, dbc); DialogSupport.create(this, dbc); return res; } private void createDiagramComposite(Composite res, final DataBindingContext dbc) { Group diagramGroup = new Group(res, SWT.NONE); diagramGroup.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).margins(10, 10).create()); diagramGroup.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); diagramGroup.setText(Messages.diagram); createDiagramNameAndVersion(diagramGroup, dbc); } void createPNVComposite(Composite parent, final ProcessesNameVersion pnv, DataBindingContext dbc) { final Composite pnvCompo = new Composite(parent, SWT.NONE); pnvCompo.setLayout(GridLayoutFactory.fillDefaults().equalWidth(false).numColumns(4).create()); pnvCompo.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); final Label poolLabel = new Label(pnvCompo, SWT.NONE); poolLabel.setText(Messages.name); final Text nameText = new Text(pnvCompo, SWT.BORDER); nameText.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).hint(200, SWT.DEFAULT).create()); UpdateValueStrategy nameTargetToModel = new UpdateValueStrategy(); final EmptyInputValidator emptyValidator = new EmptyInputValidator(Messages.name); final InputLengthValidator lenghtValidator = new InputLengthValidator(Messages.name, 50); nameTargetToModel.setAfterGetValidator(new IValidator() { public IStatus validate(Object value) { IStatus status = emptyValidator.validate(value); if (status.isOK()) { status = lenghtValidator.validate(value); } return status; } }); nameTargetToModel.setBeforeSetValidator(new UTF8InputValidator(Messages.name)); ControlDecorationSupport.create(dbc.bindValue(SWTObservables.observeText(nameText, SWT.Modify), PojoProperties.value("newName").observe(pnv), nameTargetToModel, null), SWT.LEFT); final Label poolVersion = new Label(pnvCompo, SWT.NONE); poolVersion.setText(Messages.version); final Text versionText = new Text(pnvCompo, SWT.BORDER); versionText.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).hint(100, SWT.DEFAULT).create()); UpdateValueStrategy versionTargetToModel = new UpdateValueStrategy(); final EmptyInputValidator verisonEmptyValidator = new EmptyInputValidator(Messages.version); final InputLengthValidator versionLenghtValidator = new InputLengthValidator(Messages.version, 50); versionTargetToModel.setAfterGetValidator(new IValidator() { public IStatus validate(Object value) { IStatus status = verisonEmptyValidator.validate(value); if (status.isOK()) { status = versionLenghtValidator.validate(value); } return status; } }); versionTargetToModel.setBeforeSetValidator(new UTF8InputValidator(Messages.version)); ControlDecorationSupport.create(dbc.bindValue(SWTObservables.observeText(versionText, SWT.Modify), PojoProperties.value("newVersion").observe(pnv), versionTargetToModel, null), SWT.LEFT); final ISWTObservableValue observeNameText = SWTObservables.observeText(nameText, SWT.Modify); final ISWTObservableValue observeVersionText = SWTObservables.observeText(versionText, SWT.Modify); final MultiValidator caseValidator = new MultiValidator() { @Override protected IStatus validate() { final String name = observeNameText.getValue().toString(); final String version = observeVersionText.getValue().toString(); int countNewProcessWithSameName = 0; for (ProcessesNameVersion pool : pools) { if (name.equals(pool.newName) && version.equals(pool.newVersion)) { countNewProcessWithSameName++; } } if (countNewProcessWithSameName > 1) { return ValidationStatus.error(Messages.bind(Messages.differentCaseSameNameError, typeLabel)); } int countOldProcessWithSameName = 0; for (ProcessesNameVersion pool : pools) { if (name.equals(pool.getAbstractProcess().getName()) && version.equals(pool.getAbstractProcess().getVersion())) { countOldProcessWithSameName++; } } if (countOldProcessWithSameName == 1) { if (diagramNameOrVersionChangeMandatory) { return ValidationStatus .error(Messages.bind(Messages.differentCaseSameNameError, typeLabel)); } else { return ValidationStatus.ok(); } } for (AbstractProcess process : processes) { if (name.equals(process.getName()) && version.equals(process.getVersion())) { return ValidationStatus .error(Messages.bind(Messages.differentCaseSameNameError, typeLabel)); } } return ValidationStatus.ok(); } }; dbc.addValidationStatusProvider(caseValidator); ControlDecorationSupport.create(caseValidator, SWT.LEFT); } protected void createProcessesNameAndVersion(Composite res, final DataBindingContext dbc) { Group parent = new Group(res, SWT.NONE); parent.setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(true, false).create()); parent.setLayout(GridLayoutFactory.fillDefaults().margins(10, 10).create()); parent.setText(Messages.pools); for (ProcessesNameVersion pnv : pools) { createPNVComposite(parent, pnv, dbc); } } public List<ProcessesNameVersion> getPools() { return pools; } }