| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ui.dialogs; |
| |
| import org.eclipse.core.resources.mapping.ResourceMapping; |
| import org.eclipse.jface.viewers.CheckboxTableViewer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.TableViewer; |
| 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.layout.GridLayout; |
| import org.eclipse.swt.widgets.Button; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.team.internal.ui.TeamUIMessages; |
| import org.eclipse.team.internal.ui.mapping.ResourceMappingLabelProvider; |
| import org.eclipse.ui.model.AdaptableList; |
| import org.eclipse.ui.model.BaseWorkbenchContentProvider; |
| |
| /** |
| * Dialog area that displays a checkbox list of mappings. |
| */ |
| public class ResourceMappingSelectionArea extends DialogArea { |
| |
| /** |
| * Property constant used to indicate that the selected mapping has changed. |
| * The object associated with the property is a <code>ResourceMapping</code>. |
| */ |
| public static final String SELECTED_MAPPING = "SelectedMapping"; //$NON-NLS-1$ |
| |
| /** |
| * Property constant used to indicate that the checked mappings have changed. |
| * The object associated with the property is a <code>ResourceMapping[]</code> |
| * (i.e. an array of mappings). |
| */ |
| public static final String CHECKED_MAPPINGS = "CheckedMappings"; //$NON-NLS-1$ |
| |
| private ResourceMapping[] mappings; |
| private TableViewer viewer; |
| private ResourceMapping[] checkedMappings; |
| private ResourceMapping selectedMapping; |
| private String description; |
| private boolean supportsChecking; |
| private boolean supportsSelection; |
| |
| public ResourceMappingSelectionArea(ResourceMapping[] mappings, boolean supportSelection, boolean supportChecking) { |
| this.mappings = mappings; |
| this.supportsChecking = supportChecking; |
| this.supportsSelection = supportSelection; |
| } |
| |
| @Override |
| public void createArea(Composite parent) { |
| Composite composite = createComposite(parent, 1, true); |
| GridLayout layout = new GridLayout(1, false); |
| layout.marginHeight = 0; |
| layout.marginWidth = 0; |
| layout.verticalSpacing = 0; |
| layout.horizontalSpacing = 0; |
| composite.setLayout(layout); |
| |
| if (description != null) |
| createWrappingLabel(composite, description, 1); |
| |
| createViewer(composite); |
| GridData data = new GridData(GridData.FILL_BOTH); |
| data.heightHint = 100; |
| data.widthHint = 300; |
| viewer.getControl().setLayoutData(data); |
| viewer.setContentProvider(new BaseWorkbenchContentProvider()); |
| viewer.setLabelProvider(new ResourceMappingLabelProvider()); |
| viewer.setInput(new AdaptableList(mappings)); |
| if (isSupportsSelection()) { |
| viewer.addSelectionChangedListener(event -> { |
| ResourceMapping oldSelection = selectedMapping; |
| selectedMapping = internalGetSelectedMapping(); |
| if (oldSelection != selectedMapping) |
| firePropertyChangeChange(SELECTED_MAPPING, oldSelection, selectedMapping); |
| }); |
| } |
| if (isSupportsChecking()) |
| initializeCheckboxViewer(composite); |
| } |
| |
| private void initializeCheckboxViewer(Composite composite) { |
| final CheckboxTableViewer checkboxViewer = getCheckboxTableViewer(); |
| checkboxViewer.addCheckStateListener(event -> { |
| ResourceMapping[] oldMappings = checkedMappings; |
| checkedMappings = internalGetCheckedMappings(); |
| if (oldMappings != checkedMappings) |
| firePropertyChangeChange(CHECKED_MAPPINGS, oldMappings, checkedMappings); |
| }); |
| checkboxViewer.setCheckedElements(mappings); |
| checkedMappings = mappings; |
| |
| Composite buttons = createEmbeddedButtonComposite(composite); |
| |
| Button selectAll = new Button(buttons, SWT.PUSH); |
| selectAll.setText(TeamUIMessages.ResourceMappingSelectionArea_0); |
| selectAll.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| selectAll.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| checkboxViewer.setAllChecked(true); |
| } |
| }); |
| |
| Button deselectAll = new Button(buttons, SWT.PUSH); |
| deselectAll.setText(TeamUIMessages.ResourceMappingSelectionArea_1); |
| deselectAll.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| deselectAll.addSelectionListener(new SelectionAdapter() { |
| @Override |
| public void widgetSelected(SelectionEvent e) { |
| checkboxViewer.setAllChecked(false); |
| } |
| }); |
| } |
| |
| private void createViewer(Composite composite) { |
| if (isSupportsChecking()) |
| viewer = CheckboxTableViewer.newCheckList(composite, getViewerStyle()); |
| else |
| viewer = new TableViewer(new Table(composite, getViewerStyle())); |
| } |
| |
| private int getViewerStyle() { |
| int style = SWT.BORDER; |
| if (isSupportsSelection()) |
| style |= SWT.SINGLE; |
| return style; |
| } |
| |
| /* private */ ResourceMapping[] internalGetCheckedMappings() { |
| Object[] checked = getCheckboxTableViewer().getCheckedElements(); |
| ResourceMapping[] mappings = new ResourceMapping[checked.length]; |
| for (int i = 0; i < checked.length; i++) { |
| Object object = checked[i]; |
| mappings[i] = (ResourceMapping)object; |
| } |
| return mappings; |
| } |
| |
| private Composite createEmbeddedButtonComposite(Composite composite) { |
| GridData data; |
| Composite buttons = new Composite(composite, SWT.NONE); |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 2; // this is incremented by createButton |
| layout.makeColumnsEqualWidth = true; |
| layout.marginWidth = 0; |
| buttons.setLayout(layout); |
| data = new GridData(GridData.HORIZONTAL_ALIGN_END |
| | GridData.VERTICAL_ALIGN_CENTER); |
| buttons.setLayoutData(data); |
| return buttons; |
| } |
| |
| /* private */ ResourceMapping internalGetSelectedMapping() { |
| ISelection selection = viewer.getSelection(); |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection ss = (IStructuredSelection) selection; |
| Object firstElement = ss.getFirstElement(); |
| if (firstElement instanceof ResourceMapping) |
| return (ResourceMapping)firstElement; |
| } |
| return null; |
| } |
| |
| public void setDescription(String description) { |
| this.description = description; |
| } |
| public ResourceMapping[] getCheckedMappings() { |
| return checkedMappings; |
| } |
| public ResourceMapping getSelectedMapping() { |
| return selectedMapping; |
| } |
| |
| private CheckboxTableViewer getCheckboxTableViewer() { |
| return (CheckboxTableViewer)viewer; |
| } |
| |
| public boolean isSupportsChecking() { |
| return supportsChecking; |
| } |
| |
| public boolean isSupportsSelection() { |
| return supportsSelection; |
| } |
| } |