| /******************************************************************************* |
| * Copyright (c) 2006, 2012 Oracle Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.ui.dialogs; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.bpel.ui.BPELUIPlugin; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.viewers.ILabelProvider; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.dialogs.AbstractElementListSelectionDialog; |
| import org.eclipse.ui.dialogs.SelectionStatusDialog; |
| |
| /** |
| * @author Michal Chmielewski (michal.chmielewski@oracle.com) |
| * @date Jun 19, 2006 |
| * |
| */ |
| public class ListAndViewDialog extends AbstractElementListSelectionDialog { |
| |
| private String fUpperListLabel; |
| |
| private String fLowerViewLabel; |
| |
| private Object[] fElements = new Object[0]; |
| |
| private Object[] fQualifierElements; |
| |
| protected IDialogSettings fSettings; |
| |
| /** |
| * Creates the two pane element selector. |
| * |
| * @param parent |
| * the parent shell. |
| * @param elementRenderer |
| * the element renderer. |
| * @param qualifierRenderer |
| * the qualifier renderer. |
| */ |
| public ListAndViewDialog(Shell parent, ILabelProvider elementRenderer ) { |
| super(parent, elementRenderer); |
| setSize(75, 15); |
| setAllowDuplicates(true); |
| |
| fSettings = BPELUIPlugin.INSTANCE.getDialogSettingsFor(this); |
| setDialogBoundsSettings ( fSettings, getDialogBoundsStrategy() ); |
| } |
| |
| /** |
| * @return Return the dialog settings for this dialog. |
| */ |
| |
| public IDialogSettings getDialogSettings () { |
| return fSettings; |
| } |
| |
| |
| |
| @Override |
| public boolean close () { |
| saveSettings (); |
| return super.close(); |
| } |
| |
| |
| protected void saveSettings () { |
| |
| } |
| |
| /** |
| * Sets the upper list label. If the label is <code>null</code> (default), |
| * no label is created. |
| * |
| * @param label |
| */ |
| public void setUpperListLabel (String label) { |
| fUpperListLabel = label; |
| } |
| |
| /** |
| * Sets the lower list label. |
| * |
| * @param label |
| * String or <code>null</code>. If the label is |
| * <code>null</code> (default), no label is created. |
| */ |
| public void setLowerViewLabel(String label) { |
| fLowerViewLabel = label; |
| } |
| |
| /** |
| * Sets the elements to be displayed. |
| * |
| * @param elements |
| * the elements to be displayed. |
| */ |
| public void setElements(Object[] elements) { |
| fElements = elements; |
| } |
| |
| /* |
| * @see Dialog#createDialogArea(Composite) |
| */ |
| @Override |
| public Control createDialogArea(Composite parent) { |
| |
| Composite contents = (Composite) super.createDialogArea(parent); |
| createMessageArea(contents); |
| createFilterText(contents); |
| createLabel(contents, fUpperListLabel); |
| createFilteredList(contents); |
| createLabel(contents, fLowerViewLabel); |
| createLowerView(contents); |
| setListElements(fElements); |
| |
| List initialSelections = getInitialElementSelections(); |
| if (!initialSelections.isEmpty()) { |
| Object element = initialSelections.get(0); |
| setSelection(new Object[] { element }); |
| } |
| return contents; |
| } |
| |
| /** |
| * Creates a label if name was not <code>null</code>. |
| * |
| * @param parent |
| * the parent composite. |
| * @param name |
| * the name of the label. |
| * @return returns a label if a name was given, <code>null</code> |
| * otherwise. |
| */ |
| protected Label createLabel(Composite parent, String name) { |
| if (name == null) { |
| return null; |
| } |
| Label label = new Label(parent, SWT.NONE); |
| label.setText(name); |
| label.setFont(parent.getFont()); |
| return label; |
| } |
| |
| /** |
| * Creates the list widget and sets layout data. |
| * |
| * @param parent |
| * the parent composite. |
| * @return returns the list table widget. |
| */ |
| protected Object createLowerView (Composite parent) { |
| return null; |
| } |
| |
| /** |
| * @see SelectionStatusDialog#computeResult() |
| */ |
| @Override |
| protected void computeResult() { |
| setResult(Arrays.asList(getSelectedElements())); |
| } |
| |
| /** |
| * @see AbstractElementListSelectionDialog#handleDefaultSelected() |
| */ |
| @Override |
| protected void handleDefaultSelected() { |
| if ( validateCurrentSelection() ) { |
| buttonPressed(IDialogConstants.OK_ID); |
| } |
| } |
| |
| /** |
| * @see AbstractElementListSelectionDialog#handleSelectionChanged() |
| */ |
| @Override |
| protected void handleSelectionChanged() { |
| handleUpperSelectionChanged(); |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813 |
| // https://jira.jboss.org/browse/JBIDE-7107 |
| updateOkState(); |
| } |
| |
| private void handleUpperSelectionChanged() { |
| int index = getSelectionIndex(); |
| |
| if (index >= 0) { |
| fQualifierElements = getFoldedElements(index); |
| if (fQualifierElements == null) { |
| updateLowerViewWidget(new Object[] {}); |
| } else { |
| updateLowerViewWidget(fQualifierElements); |
| } |
| } else { |
| updateLowerViewWidget(new Object[] {}); |
| } |
| |
| validateCurrentSelection(); |
| // https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813 |
| // https://jira.jboss.org/browse/JBIDE-7107 |
| updateOkState(); |
| } |
| |
| |
| protected void updateLowerViewWidget(Object[] elements) { |
| |
| } |
| |
| } |