| /*=============================================================================# |
| # Copyright (c) 2012, 2021 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.datafilterview; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.services.IServiceLocator; |
| |
| import org.eclipse.statet.ecommons.ui.util.LayoutUtils; |
| |
| import org.eclipse.statet.internal.r.ui.dataeditor.RDataLabelProvider; |
| import org.eclipse.statet.internal.r.ui.dataeditor.RDataTableContentDescription; |
| import org.eclipse.statet.internal.r.ui.datafilter.FilterSet; |
| import org.eclipse.statet.internal.r.ui.datafilter.IFilterListener; |
| import org.eclipse.statet.internal.r.ui.datafilter.IntervalVariableFilter; |
| import org.eclipse.statet.internal.r.ui.datafilter.LevelVariableFilter; |
| import org.eclipse.statet.internal.r.ui.datafilter.TextVariableFilter; |
| import org.eclipse.statet.internal.r.ui.datafilter.VariableFilter; |
| import org.eclipse.statet.r.ui.dataeditor.RDataTableColumn; |
| |
| |
| public class VariableContainer { |
| |
| |
| private final IServiceLocator serviceLocator; |
| |
| private final ScrolledPageComposite variableComposite; |
| |
| private final List<VariableComposite> variables; |
| |
| private final RDataLabelProvider labelProvider; |
| |
| private final FilterSet filterSet; |
| |
| private RDataTableContentDescription description; |
| |
| |
| public VariableContainer(final IServiceLocator serviceLocator, final ScrolledPageComposite variableComposite) { |
| this.serviceLocator= serviceLocator; |
| this.variableComposite= variableComposite; |
| this.variables= new ArrayList<>(); |
| |
| this.variableComposite.getContent().setLayout(LayoutUtils.newContentGrid(1)); |
| |
| this.labelProvider= new RDataLabelProvider(); |
| |
| this.filterSet= new FilterSet(Realm.getDefault()) { |
| @Override |
| protected void filterRemoved(final VariableFilter oldFilter) { |
| final int vIdx= getVariable(oldFilter); |
| if (vIdx >= 0) { |
| final VariableComposite composite= VariableContainer.this.variables.remove(vIdx); |
| composite.dispose(); |
| } |
| } |
| @Override |
| protected void filterReplaced(final int idx, final VariableFilter oldFilter, final VariableFilter newFilter) { |
| final int vIdx= getVariable(oldFilter); |
| if (vIdx >= 0) { |
| final VariableComposite composite= VariableContainer.this.variables.get(vIdx); |
| composite.setColumn(newFilter.getColumn()); |
| final FilterClient oldClient= composite.getClient(); |
| createFilterClient(composite, newFilter); |
| oldClient.dispose(); |
| if (vIdx != idx) { |
| VariableContainer.this.variables.remove(vIdx); |
| VariableContainer.this.variables.add(idx, composite); |
| } |
| composite.layout(new Control[] { composite.getClient() }); |
| } |
| else { |
| filterAdded(idx, newFilter); |
| } |
| } |
| @Override |
| protected void filterAdded(final int idx, final VariableFilter newFilter) { |
| final VariableComposite composite= createVariable(newFilter.getColumn()); |
| createFilterClient(composite, newFilter); |
| VariableContainer.this.variables.add(idx, composite); |
| } |
| }; |
| |
| this.filterSet.addPostListener(new IFilterListener() { |
| @Override |
| public void filterChanged() { |
| for (final VariableComposite variable : VariableContainer.this.variables) { |
| variable.updateImage(false); |
| } |
| } |
| }); |
| } |
| |
| |
| public void updateInput(final RDataTableContentDescription description) { |
| this.description= description; |
| |
| this.variableComposite.setRedraw(false); |
| this.variableComposite.setDelayedReflow(true); |
| try { |
| this.filterSet.updateInput(description); |
| |
| if (this.variables.size() == 1) { |
| this.variables.get(0).setExpanded(true); |
| } |
| } |
| finally { |
| this.variableComposite.setDelayedReflow(false); |
| this.variableComposite.setRedraw(true); |
| this.variableComposite.reflow(true); |
| } |
| } |
| |
| public RDataTableContentDescription getDescription() { |
| return this.description; |
| } |
| |
| protected FilterClient createFilterClient(final VariableComposite composite, final VariableFilter filter) { |
| if (filter == null) { |
| return null; |
| } |
| FilterClient client; |
| switch (filter.getType().getId()) { |
| case 0: |
| client= new LevelClient(composite, (LevelVariableFilter) filter); |
| break; |
| case 1: |
| client= new IntervalClient(composite, (IntervalVariableFilter) filter); |
| break; |
| case 2: |
| client= new TextClient(composite, (TextVariableFilter) filter); |
| break; |
| default: |
| throw new IllegalStateException(filter.toString()); |
| } |
| this.variableComposite.adaptChild(client); |
| |
| return client; |
| } |
| |
| protected VariableComposite createVariable(final RDataTableColumn column) { |
| final VariableComposite expandable= new VariableComposite( |
| this.variableComposite.getContent(), this, column); |
| expandable.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); |
| // expandable.setExpanded(true); |
| this.variableComposite.adaptChild(expandable); |
| |
| return expandable; |
| } |
| |
| |
| public FilterSet getFilterSet() { |
| return this.filterSet; |
| } |
| |
| public IServiceLocator getServiceLocator() { |
| return this.serviceLocator; |
| } |
| |
| public ScrolledPageComposite getVariableComposite() { |
| return this.variableComposite; |
| } |
| |
| public List<VariableComposite> getVariables() { |
| return this.variables; |
| } |
| |
| protected int getVariable(final VariableFilter filter) { |
| for (int i= 0; i < this.variables.size(); i++) { |
| final FilterClient client= this.variables.get(i).getClient(); |
| if (client != null && client.getFilter() == filter) { |
| return i; |
| } |
| } |
| return -1; |
| } |
| |
| public RDataLabelProvider getLabelProvider() { |
| return this.labelProvider; |
| } |
| |
| public void dispose() { |
| this.labelProvider.dispose(); |
| } |
| |
| } |