Java tutorial
/** * Copyright (C) 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.configuration.ui.wizard.page; import java.util.ArrayList; import java.util.Collection; import java.util.HashSet; import java.util.List; import java.util.Set; import org.bonitasoft.studio.common.FragmentTypes; import org.bonitasoft.studio.common.emf.tools.ModelHelper; import org.bonitasoft.studio.common.jface.TableColumnSorter; import org.bonitasoft.studio.common.repository.RepositoryManager; import org.bonitasoft.studio.common.repository.model.IRepositoryFileStore; import org.bonitasoft.studio.configuration.ConfigurationPlugin; import org.bonitasoft.studio.configuration.extension.IProcessConfigurationWizardPage; import org.bonitasoft.studio.configuration.i18n.Messages; import org.bonitasoft.studio.dependencies.repository.DependencyRepositoryStore; import org.bonitasoft.studio.dependencies.ui.MissingDependenciesDecorator; import org.bonitasoft.studio.dependencies.ui.dialog.SelectJarsDialog; import org.bonitasoft.studio.model.configuration.Configuration; import org.bonitasoft.studio.model.configuration.ConfigurationFactory; import org.bonitasoft.studio.model.configuration.ConfigurationPackage; import org.bonitasoft.studio.model.configuration.Fragment; import org.bonitasoft.studio.model.configuration.FragmentContainer; import org.bonitasoft.studio.model.process.AbstractProcess; import org.bonitasoft.studio.pics.Pics; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.EStructuralFeature; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.CheckStateChangedEvent; import org.eclipse.jface.viewers.CheckboxTreeViewer; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.DecoratingLabelProvider; import org.eclipse.jface.viewers.ICheckStateListener; import org.eclipse.jface.viewers.ICheckStateProvider; import org.eclipse.jface.viewers.ILabelDecorator; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TableLayout; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.TabFolder; import org.eclipse.swt.widgets.TabItem; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.views.properties.tabbed.ITabDescriptor; /** * @author Romain Bioteau * */ public abstract class AbstractDependenciesConfigurationWizardPage extends WizardPage implements IProcessConfigurationWizardPage, ICheckStateListener, ICheckStateProvider { /** * Label provider for the ListViewer. */ class TabbedPropertySheetPageLabelProvider extends LabelProvider { @Override public String getText(Object element) { if (element instanceof ITabDescriptor) { return ((ITabDescriptor) element).getLabel(); } return null; } } private CheckboxTreeViewer treeViewer; private Configuration configuration; private Button removeJarButton; private Button addJarButton; private TableViewer rawViewer; public AbstractDependenciesConfigurationWizardPage(String pageId) { super(pageId); } /* (non-Javadoc) * @see org.eclipse.jface.dialogs.IDialogPage#createControl(org.eclipse.swt.widgets.Composite) */ @Override public void createControl(Composite parent) { final Composite tabComposite = new Composite(parent, SWT.NONE); tabComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); tabComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).create()); final Label descriptionLabel = new Label(tabComposite, SWT.WRAP); descriptionLabel.setText(getDescription()); descriptionLabel.setLayoutData(GridDataFactory.swtDefaults().grab(true, false).create()); final TabFolder tabFolder = new TabFolder(tabComposite, SWT.TOP); tabFolder.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); tabFolder.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (treeViewer != null) { treeViewer.refresh(); } if (rawViewer != null) { rawViewer.refresh(); } } }); TabItem treeClasspathItem = new TabItem(tabFolder, SWT.NONE); treeClasspathItem.setText(Messages.hiearachical); treeClasspathItem.setControl(createTreeClasspathControl(tabFolder)); TabItem rawClasspathItem = new TabItem(tabFolder, SWT.NONE); rawClasspathItem.setText(Messages.raw); rawClasspathItem.setControl(createRawClasspathControl(tabFolder)); setControl(tabComposite); } protected Control createRawClasspathControl(TabFolder parent) { final Composite mainComposite = new Composite(parent, SWT.NONE); mainComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); mainComposite .setLayout(GridLayoutFactory.fillDefaults().numColumns(1).extendedMargins(10, 10, 10, 10).create()); final Label rawViewDesc = new Label(mainComposite, SWT.WRAP); rawViewDesc.setText(Messages.rawViewDesc); rawViewDesc.setLayoutData(GridDataFactory.fillDefaults().create()); final Text searchBox = new Text(mainComposite, SWT.SEARCH | SWT.CANCEL | SWT.ICON_SEARCH | SWT.ICON_CANCEL); searchBox.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).create()); rawViewer = new TableViewer(mainComposite, SWT.BORDER | SWT.FULL_SELECTION); rawViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); rawViewer.getTable().setHeaderVisible(true); rawViewer.getTable().setLinesVisible(true); TableLayout tableLayout = new TableLayout(); tableLayout.addColumnData(new ColumnWeightData(60)); tableLayout.addColumnData(new ColumnWeightData(40)); rawViewer.getTable().setLayout(tableLayout); rawViewer.addFilter(new ViewerFilter() { @Override public boolean select(Viewer viewer, Object parentElement, Object element) { String searchQuery = searchBox.getText(); if (searchQuery == null || searchQuery.isEmpty() || (((Fragment) element).getValue() != null && ((Fragment) element).getValue().toLowerCase().contains(searchQuery.toLowerCase()))) { return true; } return false; } }); searchBox.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { rawViewer.refresh(); } }); TableViewerColumn jarColumn = new TableViewerColumn(rawViewer, SWT.NONE); jarColumn.getColumn().setText(Messages.jarName); jarColumn.setLabelProvider(new ColumnLabelProvider() { @Override public String getText(Object element) { return ((Fragment) element).getValue(); } @Override public Image getImage(Object element) { return Pics.getImage("jar.gif", ConfigurationPlugin.getDefault()); } }); new TableColumnSorter(rawViewer).setColumn(jarColumn.getColumn()); TableViewerColumn dependencyColumn = new TableViewerColumn(rawViewer, SWT.NONE); dependencyColumn.getColumn().setText(Messages.inculdedBy); dependencyColumn.setLabelProvider(new ColumnLabelProvider() { private final FragmentTypeLabelProvider fragmentTypeLabelProvider = new FragmentTypeLabelProvider(); @Override public String getText(Object element) { String value = ((Fragment) element).getValue(); List<FragmentContainer> fragmentContainers = (List<FragmentContainer>) getViewerInput( configuration); List<Fragment> fragment = new ArrayList<Fragment>(); for (FragmentContainer fc : fragmentContainers) { fragment.addAll((Collection<? extends Fragment>) ModelHelper.getAllItemsOfType(fc, ConfigurationPackage.Literals.FRAGMENT)); } Set<FragmentContainer> containers = new HashSet<FragmentContainer>(); for (Fragment f : fragment) { if (f.getValue().equals(value)) { FragmentContainer container = (FragmentContainer) ((EObject) f).eContainer(); containers.add(container); } } StringBuilder sb = new StringBuilder(); for (FragmentContainer dep : containers) { sb.append(fragmentTypeLabelProvider.getText(dep)); sb.append(", "); } sb.delete(sb.length() - 2, sb.length()); return sb.toString(); } }); return mainComposite; } protected Control createTreeClasspathControl(TabFolder parent) { final Composite mainComposite = new Composite(parent, SWT.NONE); mainComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); mainComposite .setLayout(GridLayoutFactory.fillDefaults().numColumns(2).extendedMargins(10, 10, 10, 10).create()); final Label hierarchicalViewDesc = new Label(mainComposite, SWT.WRAP); hierarchicalViewDesc.setText(Messages.hiearachicalViewDesc); hierarchicalViewDesc.setLayoutData(GridDataFactory.fillDefaults().span(2, 1).create()); treeViewer = new CheckboxTreeViewer(mainComposite, SWT.BORDER | SWT.FULL_SELECTION); treeViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create()); ILabelDecorator missingDependenciesDecorator = new MissingDependenciesDecorator( getDependencyRepositoryStore()); treeViewer.getTree().setLinesVisible(true); treeViewer.setLabelProvider( new DecoratingLabelProvider(new DependenciesTreeLabelProvider(), missingDependenciesDecorator)); treeViewer.setCheckStateProvider(this); treeViewer.addCheckStateListener(this); treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent arg0) { updateButtons(); } }); final Composite buttonComposite = new Composite(mainComposite, SWT.NONE); buttonComposite.setLayoutData(GridDataFactory.fillDefaults().grab(false, true).create()); buttonComposite.setLayout(GridLayoutFactory.fillDefaults().margins(0, 0).spacing(0, 3).create()); addJarButton = new Button(buttonComposite, SWT.FLAT); addJarButton.setLayoutData(GridDataFactory.fillDefaults().hint(85, SWT.DEFAULT).create()); addJarButton.setText(Messages.add); addJarButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { final SelectJarsDialog dialog = new SelectJarsDialog(Display.getDefault().getActiveShell()); if (dialog.open() == Dialog.OK) { Object selection = ((IStructuredSelection) treeViewer.getSelection()).getFirstElement(); FragmentContainer fc = null; if (selection instanceof FragmentContainer) { fc = (FragmentContainer) selection; } else if (selection instanceof Fragment) { fc = (FragmentContainer) ((Fragment) selection).eContainer(); } for (IRepositoryFileStore file : dialog.getSelectedJars()) { String jarName = file.getName(); boolean exists = false; for (Fragment f : fc.getFragments()) { if (f.getValue().equals(jarName)) { exists = true; break; } } if (!exists) { Fragment f = ConfigurationFactory.eINSTANCE.createFragment(); f.setExported(true); f.setValue(jarName); f.setType(FragmentTypes.JAR); f.setKey(jarName); fc.getFragments().add(f); } } treeViewer.refresh(); } } }); removeJarButton = new Button(buttonComposite, SWT.FLAT); removeJarButton.setLayoutData(GridDataFactory.fillDefaults().hint(85, SWT.DEFAULT).create()); removeJarButton.setText(Messages.remove); removeJarButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { Fragment selection = (Fragment) ((IStructuredSelection) treeViewer.getSelection()) .getFirstElement(); FragmentContainer fc = (FragmentContainer) selection.eContainer(); fc.getFragments().remove(selection); treeViewer.refresh(); } }); return mainComposite; } protected DependencyRepositoryStore getDependencyRepositoryStore() { return (DependencyRepositoryStore) RepositoryManager.getInstance() .getRepositoryStore(DependencyRepositoryStore.class); } /* (non-Javadoc) * @see org.bonitasoft.studio.configuration.extension.IProcessConfigurationWizardPage#updatePage(org.bonitasoft.studio.model.process.AbstractProcess, org.bonitasoft.studio.model.configuration.Configuration) */ @Override public void updatePage(AbstractProcess process, Configuration configuration) { if (process != null && configuration != null && treeViewer != null && !treeViewer.getTree().isDisposed()) { this.configuration = configuration; treeViewer.setContentProvider(new TreeDependenciesContentProvider()); treeViewer.setInput(getViewerInput(configuration)); treeViewer.expandAll(); rawViewer.setContentProvider(new RawDependenciesContentProvider()); rawViewer.setInput(getViewerInput(configuration)); addJarButton.setEnabled(false); removeJarButton.setEnabled(false); } } protected abstract Object getViewerInput(Configuration configuration); @Override public void checkStateChanged(CheckStateChangedEvent event) { Object element = event.getElement(); if (element instanceof Fragment) { ((Fragment) element).setExported(event.getChecked()); } if (element instanceof FragmentContainer) { updateChildrenState((FragmentContainer) element, event.getChecked()); } updateParentSate(element); getContainer().updateMessage(); } private void updateChildrenState(FragmentContainer element, boolean isChecked) { treeViewer.setGrayChecked(element, false); treeViewer.setChecked(element, isChecked); applyOnChildren(element, isChecked); } private void updateParentSate(Object element) { FragmentContainer parent = null; if (element instanceof FragmentContainer) { parent = ((FragmentContainer) element).getParent(); } else if (element instanceof Fragment) { parent = (FragmentContainer) ((Fragment) element).eContainer(); } if (parent != null) { boolean isChecked = isChecked(parent); if (isChecked) { treeViewer.setGrayChecked(parent, false); treeViewer.setChecked(parent, isChecked); } else { treeViewer.setGrayChecked(parent, isGrayed(parent)); } updateParentSate(parent); } } protected void applyOnChildren(FragmentContainer element, boolean checked) { Set<Object> result = new HashSet<Object>(); getAllChildren(element, result); Object[] children = result.toArray(); if (children.length == 0) { treeViewer.setChecked(element, false); } else { for (Object child : children) { if (child instanceof Fragment) { ((Fragment) child).setExported(checked); } treeViewer.setChecked(child, checked); } } } @Override public boolean isChecked(Object element) { if (element instanceof Fragment) { return ((Fragment) element).isExported(); } else if (element instanceof FragmentContainer) { Set<Object> result = new HashSet<Object>(); getAllChildren((FragmentContainer) element, result); for (Object child : result) { if (!isChecked(child)) { return false; } } return !result.isEmpty(); } return false; } @Override public boolean isGrayed(Object element) { if (element instanceof Fragment) { return false; } else if (element instanceof FragmentContainer) { Set<Object> result = new HashSet<Object>(); getAllChildren((FragmentContainer) element, result); Object[] children = result.toArray(); boolean isGrayed = false; boolean isSelected = false; if (children.length == 0) { return false; } isGrayed = isChecked(children[0]); for (Object child : children) { isSelected = isChecked(child); if (isSelected != isGrayed) { treeViewer.setGrayChecked(element, true); return true; } } return false; } return false; } private void getAllChildren(FragmentContainer element, Set<Object> result) { for (Fragment f : element.getFragments()) { result.add(f); } for (FragmentContainer fc : element.getChildren()) { result.add(fc); getAllChildren(fc, result); } } protected void updateButtons() { Object selection = ((IStructuredSelection) treeViewer.getSelection()).getFirstElement(); if (addJarButton != null && !addJarButton.isDisposed()) { if (selection instanceof Fragment) { FragmentContainer fc = (FragmentContainer) ((Fragment) selection).eContainer(); addJarButton.setEnabled(fc.getId().equals(FragmentTypes.OTHER)); } else if (selection instanceof FragmentContainer) { addJarButton.setEnabled(((FragmentContainer) selection).getId().equals(FragmentTypes.OTHER)); } else { addJarButton.setEnabled(false); } } if (removeJarButton != null && !removeJarButton.isDisposed()) { if (selection instanceof Fragment) { FragmentContainer fc = (FragmentContainer) ((Fragment) selection).eContainer(); removeJarButton.setEnabled(fc.getId().equals(FragmentTypes.OTHER)); } else { removeJarButton.setEnabled(false); } } } protected EStructuralFeature getContainingFeature(EObject f) { if (f.eContainer() != null) { if (f.eContainer().eContainer() != null) { return ((Fragment) f).eContainer().eContainer().eContainingFeature(); } } return null; } }