| /*=============================================================================# |
| # Copyright (c) 2008, 2020 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.internal.r.ui.refactoring; |
| |
| import org.eclipse.core.databinding.DataBindingContext; |
| import org.eclipse.core.databinding.UpdateValueStrategy; |
| import org.eclipse.core.databinding.beans.typed.PojoProperties; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.list.WritableList; |
| import org.eclipse.jface.databinding.swt.typed.WidgetProperties; |
| import org.eclipse.jface.databinding.wizard.WizardPageSupport; |
| import org.eclipse.jface.dialogs.Dialog; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.CellLabelProvider; |
| import org.eclipse.jface.viewers.CheckStateChangedEvent; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.ColumnViewer; |
| import org.eclipse.jface.viewers.ColumnWeightData; |
| import org.eclipse.jface.viewers.EditingSupport; |
| import org.eclipse.jface.viewers.TableViewerColumn; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.jface.viewers.ViewerCell; |
| import org.eclipse.ltk.ui.refactoring.RefactoringWizard; |
| import org.eclipse.ltk.ui.refactoring.UserInputWizardPage; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.TraverseEvent; |
| import org.eclipse.swt.events.TraverseListener; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Text; |
| |
| import org.eclipse.statet.ecommons.ui.components.ButtonGroup; |
| import org.eclipse.statet.ecommons.ui.components.DataAdapter; |
| import org.eclipse.statet.ecommons.ui.util.LayoutUtils; |
| import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils; |
| import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils.CheckboxTableComposite; |
| |
| import org.eclipse.statet.ltk.ui.refactoring.RefactoringBasedStatus; |
| import org.eclipse.statet.r.core.refactoring.FunctionToS4MethodRefactoring; |
| import org.eclipse.statet.r.core.refactoring.FunctionToS4MethodRefactoring.Variable; |
| |
| |
| public class FunctionToS4MethodWizard extends RefactoringWizard { |
| |
| |
| private static class InputPage extends UserInputWizardPage { |
| |
| |
| public static final String PAGE_NAME= "FunctionToS4Method.InputPage"; //$NON-NLS-1$ |
| |
| private static class TypeEditing extends EditingSupport { |
| |
| private final TextCellEditor cellEditor; |
| |
| public TypeEditing(final ColumnViewer viewer) { |
| super(viewer); |
| this.cellEditor= new TextCellEditor((Composite) viewer.getControl()); |
| this.cellEditor.getControl().setFont(JFaceResources.getTextFont()); |
| } |
| |
| @Override |
| protected boolean canEdit(final Object element) { |
| return (element instanceof Variable); |
| } |
| |
| @Override |
| protected CellEditor getCellEditor(final Object element) { |
| if (element instanceof Variable) { |
| return this.cellEditor; |
| } |
| return null; |
| } |
| |
| @Override |
| protected Object getValue(final Object element) { |
| if (element instanceof Variable) { |
| final Variable variable= (Variable) element; |
| final String type= variable.getArgumentType(); |
| return (type != null) ? type : ""; |
| } |
| return null; |
| } |
| |
| @Override |
| protected void setValue(final Object element, final Object value) { |
| if (element instanceof Variable) { |
| final Variable variable= (Variable) element; |
| variable.setArgumentType((String) value); |
| getViewer().update(element, null); |
| } |
| } |
| |
| } |
| |
| private Text functionNameControl; |
| private CheckboxTableViewer argumentsViewer; |
| private ButtonGroup<Variable> argumentsButtons; |
| |
| private Button generateGenericControl; |
| |
| |
| public InputPage() { |
| super(PAGE_NAME); |
| } |
| |
| @Override |
| protected FunctionToS4MethodRefactoring getRefactoring() { |
| return (FunctionToS4MethodRefactoring) super.getRefactoring(); |
| } |
| |
| @Override |
| public void createControl(final Composite parent) { |
| final Composite composite= new Composite(parent, SWT.NONE); |
| composite.setLayout(LayoutUtils.newDialogGrid(2)); |
| setControl(composite); |
| |
| { final String title= Messages.FunctionToS4Method_Wizard_header; |
| final Label label= new Label(composite, SWT.NONE); |
| label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1)); |
| label.setText(title); |
| label.setFont(JFaceResources.getBannerFont()); |
| } |
| |
| LayoutUtils.addSmallFiller(composite, false); |
| |
| { final Label label= new Label(composite, SWT.NONE); |
| label.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); |
| label.setText(Messages.FunctionToS4Method_Wizard_VariableName_label); |
| |
| this.functionNameControl= new Text(composite, SWT.BORDER); |
| this.functionNameControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); |
| this.functionNameControl.setFont(JFaceResources.getTextFont()); |
| } |
| |
| LayoutUtils.addSmallFiller(composite, false); |
| |
| final Control table= createArgumentsTable(composite); |
| table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); |
| |
| LayoutUtils.addSmallFiller(composite, false); |
| |
| { this.generateGenericControl= new Button(composite, SWT.CHECK); |
| this.generateGenericControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1)); |
| this.generateGenericControl.setText(Messages.FunctionToS4Method_Wizard_GenerateGeneric_label); |
| } |
| |
| LayoutUtils.addSmallFiller(composite, false); |
| Dialog.applyDialogFont(composite); |
| // PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),); |
| |
| initBindings(); |
| for (final Variable variable : getRefactoring().getVariables()) { |
| if (!variable.getName().equals("...")) { //$NON-NLS-1$ |
| this.argumentsViewer.setChecked(variable, variable.getUseAsGenericArgumentDefault()); |
| } |
| else { |
| this.argumentsViewer.setGrayed(variable, true); |
| this.argumentsViewer.setChecked(variable, true); |
| } |
| } |
| this.argumentsButtons.updateState(); |
| } |
| |
| private Control createArgumentsTable(final Composite parent) { |
| final Composite composite= new Composite(parent, SWT.NONE); |
| composite.setLayout(LayoutUtils.newCompositeGrid(2)); |
| |
| { final Composite above= new Composite(composite, SWT.NONE); |
| above.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, true, false, 2, 1)); |
| above.setLayout(LayoutUtils.newCompositeGrid(2)); |
| |
| final Label label= new Label(above, SWT.NONE); |
| label.setLayoutData(new GridData(SWT.FILL, SWT.BOTTOM, true, false)); |
| label.setText("Method ¶meters:"); |
| label.addTraverseListener(new TraverseListener() { |
| @Override |
| public void keyTraversed(final TraverseEvent e) { |
| if (e.detail == SWT.TRAVERSE_MNEMONIC) { |
| e.doit= false; |
| InputPage.this.argumentsViewer.getControl().setFocus(); |
| } |
| } |
| }); |
| } |
| |
| final CheckboxTableComposite table= new CheckboxTableComposite(composite, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION); |
| final GridData gd= new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1); |
| gd.heightHint= LayoutUtils.hintHeight(table.table, 12); |
| table.setLayoutData(gd); |
| table.setLayoutData(gd); |
| table.table.setHeaderVisible(true); |
| table.table.setLinesVisible(true); |
| this.argumentsViewer= table.viewer; |
| |
| { final TableViewerColumn column= table.addColumn("Name", SWT.LEFT, new ColumnWeightData(1)); |
| column.setLabelProvider(new CellLabelProvider() { |
| @Override |
| public void update(final ViewerCell cell) { |
| final Object element= cell.getElement(); |
| if (element instanceof Variable) { |
| cell.setFont(JFaceResources.getDialogFont()); |
| final Variable variable= (Variable) element; |
| cell.setText(variable.getName()); |
| return; |
| } |
| cell.setText(""); //$NON-NLS-1$ |
| } |
| }); |
| } |
| |
| { final TableViewerColumn column= table.addColumn("Type", SWT.LEFT, new ColumnWeightData(1)); |
| column.setLabelProvider(new CellLabelProvider() { |
| @Override |
| public void update(final ViewerCell cell) { |
| final Object element= cell.getElement(); |
| if (element instanceof Variable) { |
| cell.setFont(JFaceResources.getTextFont()); |
| final Variable variable= (Variable) element; |
| final String type= variable.getArgumentType(); |
| cell.setText((type != null) ? type : ""); //$NON-NLS-1$ |
| return; |
| } |
| cell.setText(""); //$NON-NLS-1$ |
| } |
| }); |
| final TypeEditing editing= new TypeEditing(table.viewer); |
| |
| column.setEditingSupport(editing); |
| } |
| |
| ViewerUtils.installDefaultEditBehaviour(this.argumentsViewer); |
| this.argumentsViewer.setContentProvider(new ArrayContentProvider()); |
| |
| this.argumentsButtons= new ButtonGroup<>(composite); |
| this.argumentsButtons.setLayoutData(new GridData(SWT.FILL, SWT.TOP, false, true)); |
| this.argumentsButtons.addUpButton(null); |
| this.argumentsButtons.addDownButton(null); |
| |
| return composite; |
| } |
| |
| protected void initBindings() { |
| final Realm realm= Realm.getDefault(); |
| final DataBindingContext dbc= new DataBindingContext(realm); |
| |
| addBindings(dbc, realm); |
| WizardPageSupport.create(this, dbc); |
| } |
| |
| protected void addBindings(final DataBindingContext dbc, final Realm realm) { |
| dbc.bindValue( |
| WidgetProperties.text(SWT.Modify) |
| .observe(this.functionNameControl), |
| PojoProperties.value(FunctionToS4MethodRefactoring.class, "functionName", String.class) //$NON-NLS-1$ |
| .observe(realm, getRefactoring()), |
| new UpdateValueStrategy<String, String>() |
| .setAfterGetValidator((final String value) -> |
| new RefactoringBasedStatus( |
| getRefactoring().checkFunctionName(value) )), |
| null ); |
| final IObservableList<Variable> argumentsList= new WritableList<>(realm, getRefactoring().getVariables(), Variable.class); |
| this.argumentsViewer.addCheckStateListener( |
| (final CheckStateChangedEvent event) -> { |
| final Object element= event.getElement(); |
| if (element instanceof Variable) { |
| final Variable variable= (Variable) element; |
| if (!variable.getName().equals("...")) { //$NON-NLS-1$ |
| final boolean check= event.getChecked(); |
| int idx= argumentsList.indexOf(element); |
| if (check) { |
| Variable previousVariable= null; |
| while (idx > 0) { |
| final Object previousElement= argumentsList.get(idx-1); |
| if (previousElement instanceof Variable |
| && !((Variable) previousElement).getName().equals("...")) { //$NON-NLS-1$ |
| previousVariable= (Variable) previousElement; |
| break; |
| } |
| idx--; |
| } |
| if (previousVariable == null || previousVariable.getUseAsGenericArgument() == event.getChecked()) { |
| variable.setUseAsGenericArgument(event.getChecked()); |
| InputPage.this.argumentsViewer.setChecked(variable, event.getChecked()); |
| return; |
| } |
| } |
| else { |
| Variable nextVariable= null; |
| while (idx < argumentsList.size()-1) { |
| final Object nextElement= argumentsList.get(idx+1); |
| if (nextElement instanceof Variable |
| && !((Variable) nextElement).getName().equals("...")) { //$NON-NLS-1$ |
| nextVariable= (Variable) nextElement; |
| break; |
| } |
| idx++; |
| } |
| if (nextVariable == null || nextVariable.getUseAsGenericArgument() == event.getChecked()) { |
| variable.setUseAsGenericArgument(event.getChecked()); |
| InputPage.this.argumentsViewer.setChecked(variable, event.getChecked()); |
| return; |
| } |
| } |
| InputPage.this.argumentsViewer.setChecked(variable, !event.getChecked()); |
| } |
| else { |
| InputPage.this.argumentsViewer.setChecked(variable, true); |
| } |
| } |
| } ); |
| this.argumentsViewer.setInput(argumentsList); |
| this.argumentsButtons.connectTo(this.argumentsViewer, new DataAdapter.ListAdapter<FunctionToS4MethodRefactoring.Variable>( |
| argumentsList, null ) { |
| @Override |
| protected void moveByIdx(final int oldIdx, final int newIdx) { |
| final Object upperElement= InputPage.this.argumentsViewer.getElementAt(Math.min(oldIdx, newIdx)); |
| final Object lowerElement= InputPage.this.argumentsViewer.getElementAt(Math.max(oldIdx, newIdx)); |
| super.moveByIdx(oldIdx, newIdx); |
| if ((upperElement instanceof Variable) |
| && !((Variable) upperElement).getName().equals("...") //$NON-NLS-1$ |
| && (lowerElement instanceof Variable) |
| && !((Variable) lowerElement).getName().equals("...")) { //$NON-NLS-1$ |
| final boolean checked= InputPage.this.argumentsViewer.getChecked(upperElement); |
| ((Variable) lowerElement).setUseAsGenericArgument(checked); |
| InputPage.this.argumentsViewer.setChecked(lowerElement, checked); |
| } |
| } |
| }); |
| |
| dbc.bindValue( |
| WidgetProperties.buttonSelection() |
| .observe(this.generateGenericControl), |
| PojoProperties.value(FunctionToS4MethodRefactoring.class, "generateGeneric", Boolean.TYPE) //$NON-NLS-1$ |
| .observe(realm, getRefactoring()) ); |
| } |
| |
| @Override |
| public void setVisible(final boolean visible) { |
| super.setVisible(visible); |
| this.functionNameControl.setFocus(); |
| } |
| |
| } |
| |
| |
| public FunctionToS4MethodWizard(final FunctionToS4MethodRefactoring ref) { |
| super(ref, DIALOG_BASED_USER_INTERFACE | PREVIEW_EXPAND_FIRST_NODE | NO_BACK_BUTTON_ON_STATUS_DIALOG); |
| setDefaultPageTitle(Messages.FunctionToS4Method_Wizard_title); |
| } |
| |
| |
| @Override |
| protected void addUserInputPages() { |
| addPage(new InputPage()); |
| } |
| |
| } |
