| /*=============================================================================# |
| # 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 java.util.Map; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.commands.IHandler2; |
| import org.eclipse.core.databinding.UpdateSetStrategy; |
| import org.eclipse.core.databinding.observable.set.IObservableSet; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.databinding.viewers.typed.ViewerProperties; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.ICheckable; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.swt.widgets.MenuItem; |
| import org.eclipse.ui.IWorkbenchCommandConstants; |
| import org.eclipse.ui.commands.IElementUpdater; |
| import org.eclipse.ui.menus.CommandContributionItemParameter; |
| import org.eclipse.ui.menus.UIElement; |
| import org.eclipse.ui.services.IServiceLocator; |
| |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.ecommons.databinding.jface.DataBindingSupport; |
| import org.eclipse.statet.ecommons.ui.actions.ControlServicesUtil; |
| import org.eclipse.statet.ecommons.ui.actions.HandlerCollection; |
| import org.eclipse.statet.ecommons.ui.actions.HandlerContributionItem; |
| import org.eclipse.statet.ecommons.ui.components.DropDownButton; |
| import org.eclipse.statet.ecommons.ui.components.SearchText; |
| import org.eclipse.statet.ecommons.ui.util.AutoCheckController; |
| import org.eclipse.statet.ecommons.ui.util.LayoutUtils; |
| import org.eclipse.statet.ecommons.ui.viewers.ViewerUtils; |
| import org.eclipse.statet.ecommons.ui.workbench.WorkbenchUIUtils; |
| |
| import org.eclipse.statet.internal.r.ui.datafilter.TextSearchType; |
| import org.eclipse.statet.internal.r.ui.datafilter.TextVariableFilter; |
| import org.eclipse.statet.rj.data.RCharacterStore; |
| |
| |
| public class TextClient extends FilterClient { |
| |
| |
| private class RemoveHandler extends AbstractHandler implements IElementUpdater { |
| |
| @Override |
| public void setEnabled(final Object evaluationContext) { |
| setBaseEnabled(!TextClient.this.valueListViewer.getSelection().isEmpty()); |
| } |
| |
| @Override |
| public Object execute(final ExecutionEvent event) throws ExecutionException { |
| final IStructuredSelection selection= (IStructuredSelection) TextClient.this.valueListViewer.getSelection(); |
| TextClient.this.filter.removeValues(selection.toList()); |
| updateInput(); |
| return null; |
| } |
| |
| @Override |
| public void updateElement(final UIElement element, final Map parameters) { |
| WorkbenchUIUtils.aboutToUpdateCommandsElements(this, element); |
| try { |
| element.setText(Messages.Items_Remove_label); |
| element.setTooltip(Messages.Items_RemoveSelected_label); |
| } |
| finally { |
| WorkbenchUIUtils.finalizeUpdateCommandsElements(this); |
| } |
| } |
| |
| } |
| |
| private class RemoveUncheckedHandler extends AbstractHandler { |
| |
| @Override |
| public void setEnabled(final Object evaluationContext) { |
| setBaseEnabled(TextClient.this.availableValues.getLength() > TextClient.this.selectedValueSet.size()); |
| } |
| |
| @Override |
| public Object execute(final ExecutionEvent event) throws ExecutionException { |
| final List<String> values= new ArrayList<>((int) TextClient.this.availableValues.getLength() - TextClient.this.selectedValueSet.size()); |
| for (int i= 0; i < TextClient.this.availableValues.getLength(); i++) { |
| final String value= TextClient.this.availableValues.get(i); |
| if (!TextClient.this.selectedValueSet.contains(value)) { |
| values.add(value); |
| } |
| } |
| TextClient.this.filter.removeValues(values); |
| updateInput(); |
| return null; |
| } |
| |
| } |
| |
| private class RemoveAllHandler extends AbstractHandler { |
| |
| @Override |
| public void setEnabled(final Object evaluationContext) { |
| setBaseEnabled(TextClient.this.availableValues.getLength() > 0); |
| } |
| |
| @Override |
| public Object execute(final ExecutionEvent event) throws ExecutionException { |
| TextClient.this.filter.removeAllValues(); |
| updateInput(); |
| return null; |
| } |
| |
| } |
| |
| |
| private SearchText searchTextControl; |
| private DropDownButton searchButtonControl; |
| private MenuItem[] searchMenuItems; |
| |
| private TextSearchType searchType; |
| |
| private CheckboxTableViewer valueListViewer; |
| |
| private RCharacterStore availableValues; |
| |
| private final IObservableSet<@Nullable String> selectedValueSet; |
| |
| private final HandlerCollection valueListHandlers= new HandlerCollection(); |
| private MenuManager valueListMenuManager; |
| |
| private final TextVariableFilter filter; |
| |
| |
| public TextClient(final VariableComposite parent, final TextVariableFilter filter) { |
| super(parent); |
| |
| this.filter= filter; |
| filter.setListener(this); |
| |
| this.availableValues= filter.getAvailableValues(); |
| this.selectedValueSet= filter.getSelectedValues(); |
| this.searchType= TextSearchType.ECLIPSE; |
| init(2); |
| } |
| |
| |
| @Override |
| public TextVariableFilter getFilter() { |
| return this.filter; |
| } |
| |
| @Override |
| protected void addWidgets() { |
| this.searchTextControl= new SearchText(this, "", SWT.FLAT | SWT.BORDER); //$NON-NLS-1$ |
| this.searchTextControl.addListener(new SearchText.Listener() { |
| @Override |
| public void textChanged(final boolean user) { |
| } |
| @Override |
| public void okPressed() { |
| search(null); |
| } |
| @Override |
| public void downPressed() { |
| } |
| }); |
| this.searchTextControl.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); |
| |
| this.searchButtonControl= new DropDownButton(this, SWT.FLAT); |
| this.searchButtonControl.setText(Messages.Items_Search_label); |
| { final GridData gd= new GridData(SWT.FILL, SWT.CENTER, false, false); |
| gd.heightHint= this.searchButtonControl.computeSize(SWT.DEFAULT, SWT.DEFAULT).y; |
| final int textHeight= this.searchTextControl.computeSize(SWT.DEFAULT, SWT.DEFAULT).y; |
| if (gd.heightHint - textHeight > 2) { |
| gd.heightHint= textHeight + 2; |
| } |
| this.searchButtonControl.setLayoutData(gd); |
| } |
| this.searchButtonControl.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(final SelectionEvent e) { |
| search(null); |
| } |
| }); |
| { final Menu searchMenu= this.searchButtonControl.getDropDownMenu(); |
| final List<TextSearchType> searchTypes= TextSearchType.TYPES; |
| this.searchMenuItems= new MenuItem[searchTypes.size()]; |
| final Listener searchTypeListener= new Listener() { |
| @Override |
| public void handleEvent(final Event event) { |
| search((TextSearchType) event.widget.getData()); |
| } |
| }; |
| for (int id= 0; id < searchTypes.size(); id++) { |
| final TextSearchType type= searchTypes.get(id); |
| final MenuItem item= new MenuItem(searchMenu, SWT.RADIO); |
| item.setText(type.getLabel()); |
| item.setData(type); |
| item.addListener(SWT.Selection, searchTypeListener); |
| this.searchMenuItems[id]= item; |
| } |
| } |
| setSearchType(this.searchType); |
| |
| this.valueListViewer= CheckboxTableViewer.newCheckList(this, SWT.MULTI | SWT.FLAT | SWT.FULL_SELECTION); |
| this.valueListViewer.setContentProvider(new RStoreContentProvider()); |
| this.valueListViewer.setLabelProvider(new ColumnLabelProvider(this.filter.getColumn())); |
| } |
| |
| @Override |
| protected void initActions(final IServiceLocator serviceLocator) { |
| final ControlServicesUtil servicesUtil= new ControlServicesUtil(serviceLocator, |
| getClass().getName()+"/ValueList#"+hashCode(), this ); //$NON-NLS-1$ |
| servicesUtil.addControl(this.valueListViewer.getTable()); |
| |
| final AutoCheckController<?> autoCheckController= new AutoCheckController<>( |
| this.valueListViewer, this.selectedValueSet ); |
| { final IHandler2 handler= autoCheckController.createSelectAllHandler(); |
| this.valueListHandlers.add(SELECT_ALL_COMMAND_ID, handler); |
| servicesUtil.activateHandler(SELECT_ALL_COMMAND_ID, handler); |
| } |
| { final IHandler2 handler= new RemoveHandler(); |
| this.valueListHandlers.add(REMOVE_COMMAND_ID, handler); |
| servicesUtil.activateHandler(IWorkbenchCommandConstants.EDIT_DELETE, handler); |
| } |
| { final IHandler2 handler= new RemoveUncheckedHandler(); |
| this.valueListHandlers.add(REMOVE_UNCHECKED_HANDLER_ID, handler); |
| } |
| { final IHandler2 handler= new RemoveAllHandler(); |
| this.valueListHandlers.add(REMOVE_ALL_HANDLER_COMMAND_ID, handler); |
| } |
| |
| ViewerUtils.installSearchTextNavigation(this.valueListViewer, this.searchTextControl, true); |
| |
| this.valueListMenuManager= new MenuManager(); |
| this.valueListMenuManager.add(new HandlerContributionItem(new CommandContributionItemParameter(serviceLocator, |
| null, SELECT_ALL_COMMAND_ID, HandlerContributionItem.STYLE_PUSH), |
| this.valueListHandlers.get(SELECT_ALL_COMMAND_ID) )); |
| this.valueListMenuManager.add(new Separator()); |
| this.valueListMenuManager.add(new HandlerContributionItem(new CommandContributionItemParameter(serviceLocator, |
| null, REMOVE_COMMAND_ID, HandlerContributionItem.STYLE_PUSH), |
| this.valueListHandlers.get(REMOVE_COMMAND_ID) )); |
| this.valueListMenuManager.add(new HandlerContributionItem(new CommandContributionItemParameter(serviceLocator, |
| null, HandlerContributionItem.NO_COMMAND_ID, null, |
| null, null, null, |
| Messages.Items_RemoveUnchecked_label, null, "Remove unchecked items", |
| HandlerContributionItem.STYLE_PUSH, null, false), |
| this.valueListHandlers.get(REMOVE_UNCHECKED_HANDLER_ID) )); |
| this.valueListMenuManager.add(new HandlerContributionItem(new CommandContributionItemParameter(serviceLocator, |
| null, HandlerContributionItem.NO_COMMAND_ID, null, |
| null, null, null, |
| Messages.Items_RemoveAll_label, null, "Remove all items", |
| HandlerContributionItem.STYLE_PUSH, null, false), |
| this.valueListHandlers.get(REMOVE_ALL_HANDLER_COMMAND_ID) )); |
| this.valueListViewer.getTable().setMenu(this.valueListMenuManager.createContextMenu(this.valueListViewer.getControl())); |
| |
| this.valueListViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| @Override |
| public void selectionChanged(final SelectionChangedEvent event) { |
| updateActions(); |
| } |
| }); |
| updateActions(); |
| } |
| |
| @Override |
| protected void addBindings(final DataBindingSupport db) { |
| db.getContext().bindSet( |
| ViewerProperties.checkedElements(Object.class) |
| .observe((ICheckable)this.valueListViewer), |
| this.selectedValueSet, |
| new UpdateSetStrategy<Object, @Nullable String>() |
| .setConverter(new UI2RStoreConverter<String>()), |
| new UpdateSetStrategy<@Nullable String, Object>() |
| .setConverter(new RStore2UIConverter<String>()) ); |
| } |
| |
| @Override |
| protected void updateInput() { |
| this.availableValues= this.filter.getAvailableValues(); |
| this.valueListViewer.setInput(this.availableValues); |
| |
| updateActions(); |
| if (updateLayout()) { |
| getParent().layout(new Control[] { this }); |
| } |
| } |
| |
| protected void updateActions() { |
| this.valueListHandlers.get(REMOVE_COMMAND_ID).setEnabled(null); |
| } |
| |
| @Override |
| protected boolean updateLayout() { |
| return updateLayout(this.valueListViewer, (int) this.availableValues.getLength()); |
| } |
| |
| @Override |
| protected int getMinHeightPadding() { |
| return this.searchTextControl.getSize().y + 20 + 10 * LayoutUtils.defaultVSpacing(); |
| } |
| |
| protected void setSearchType(final TextSearchType type) { |
| this.searchType= type; |
| for (int id= 0; id < this.searchMenuItems.length; id++) { |
| this.searchMenuItems[id].setSelection(type.getId() == id); |
| } |
| this.searchButtonControl.setToolTipText(type.getLabel()); |
| } |
| |
| private void search(TextSearchType type) { |
| if (type != null) { |
| if (this.searchType != type) { |
| setSearchType(type); |
| } |
| } |
| else { |
| type= this.searchType; |
| } |
| final String text= this.searchTextControl.getText(); |
| this.filter.search(type, text); |
| } |
| |
| @Override |
| protected void onDispose() { |
| if (this.valueListMenuManager != null) { |
| this.valueListMenuManager.dispose(); |
| this.valueListMenuManager= null; |
| } |
| } |
| |
| } |
