| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2016 Movidius Inc. and others |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials |
| 5 | * are made available under the terms of the Eclipse Public License v1.0 |
| 6 | * which accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | *******************************************************************************/ |
| 10 | |
| 11 | package org.eclipse.tracecompass.tmf.ui.symbols; |
| 12 | |
| 13 | import java.lang.reflect.InvocationTargetException; |
| 14 | |
| 15 | import org.eclipse.jface.dialogs.IDialogConstants; |
| 16 | import org.eclipse.jface.dialogs.IMessageProvider; |
| 17 | import org.eclipse.jface.dialogs.ProgressMonitorDialog; |
| 18 | import org.eclipse.jface.dialogs.TitleAreaDialog; |
| 19 | import org.eclipse.jface.operation.IRunnableWithProgress; |
| 20 | import org.eclipse.jface.preference.IPreferencePageContainer; |
| 21 | import org.eclipse.jface.preference.IPreferenceStore; |
| 22 | import org.eclipse.swt.SWT; |
| 23 | import org.eclipse.swt.custom.CTabFolder; |
| 24 | import org.eclipse.swt.custom.CTabItem; |
| 25 | import org.eclipse.swt.events.SelectionAdapter; |
| 26 | import org.eclipse.swt.events.SelectionEvent; |
| 27 | import org.eclipse.swt.layout.GridData; |
| 28 | import org.eclipse.swt.layout.GridLayout; |
| 29 | import org.eclipse.swt.widgets.Composite; |
| 30 | import org.eclipse.swt.widgets.Control; |
| 31 | import org.eclipse.swt.widgets.Shell; |
| 32 | import org.eclipse.ui.ISharedImages; |
| 33 | import org.eclipse.ui.PlatformUI; |
| 34 | |
| 35 | /** |
| 36 | * This class shall be used to configure one or more {@link ISymbolProvider}. It |
| 37 | * receives an array of {@link ISymbolProviderPreferencePage} and creates a |
| 38 | * dialog that can be used to configure the corresponding providers. If the |
| 39 | * {@link #open()} method exits with {@link IDialogConstants#OK_ID} the caller |
| 40 | * shall assume that the corresponding {@link ISymbolProvider}'s have a new |
| 41 | * configuration. |
| 42 | * |
| 43 | * |
| 44 | * @author Robert Kiss |
| 45 | * @since 2.0 |
| 46 | * |
| 47 | */ |
| 48 | public class SymbolProviderConfigDialog extends TitleAreaDialog implements IPreferencePageContainer { |
| 49 | |
| 50 | private ISymbolProviderPreferencePage[] fPreferencePages; |
| 51 | private CTabItem[] fPageTabs; |
| 52 | private CTabFolder fTabFolder; |
| 53 | |
| 54 | private IRunnableWithProgress configJob = (monitor) -> { |
| 55 | // saving the configuration is fast and need UI access |
| 56 | SymbolProviderConfigDialog.this.getContents().getDisplay().syncExec(() -> { |
| 57 | for (int i = 0; i < fPreferencePages.length; i++) { |
| 58 | ISymbolProviderPreferencePage page = fPreferencePages[i]; |
| 59 | page.saveConfiguration(); |
| 60 | } |
| 61 | }); |
| 62 | monitor.beginTask(Messages.SymbolProviderConfigDialog_loadingConfigurations, fPreferencePages.length * 100); |
| 63 | try { |
| 64 | for (int i = 0; i < fPreferencePages.length; i++) { |
| 65 | ISymbolProviderPreferencePage page = fPreferencePages[i]; |
| 66 | page.getSymbolProvider().loadConfiguration(monitor); |
| 67 | monitor.worked(100); |
| 68 | } |
| 69 | } finally { |
| 70 | monitor.done(); |
| 71 | } |
| 72 | }; |
| 73 | |
| 74 | /** |
| 75 | * Create a new dialog that will use the given shall and preference pages. |
| 76 | * |
| 77 | * @param parentShell |
| 78 | * The parent shell |
| 79 | * @param pages |
| 80 | * the pages that provides the configuration UI for |
| 81 | * {@link ISymbolProvider}'s. The array shall not be empty and |
| 82 | * shall not contain null elements. |
| 83 | * |
| 84 | */ |
| 85 | public SymbolProviderConfigDialog(Shell parentShell, ISymbolProviderPreferencePage... pages) { |
| 86 | super(parentShell); |
| 87 | fPreferencePages = pages; |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | protected Control createDialogArea(Composite parent) { |
| 92 | getShell().setText(Messages.SymbolProviderConfigDialog_title); |
| 93 | setTitle(Messages.SymbolProviderConfigDialog_title); |
| 94 | setMessage(Messages.SymbolProviderConfigDialog_message); |
| 95 | |
| 96 | Composite composite = (Composite) super.createDialogArea(parent); |
| 97 | composite.setLayout(new GridLayout()); |
| 98 | |
| 99 | // if we have one single provider that we don't need a tab |
| 100 | if (fPreferencePages.length == 1) { |
| 101 | attachPreference(composite, fPreferencePages[0]); |
| 102 | updateMessage(0); |
| 103 | } else { |
| 104 | fTabFolder = new CTabFolder(composite, SWT.NONE); |
| 105 | fTabFolder.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| 106 | fPageTabs = new CTabItem[fPreferencePages.length]; |
| 107 | for (int i = 0; i < fPreferencePages.length; i++) { |
| 108 | ISymbolProviderPreferencePage page = fPreferencePages[i]; |
| 109 | fPageTabs[i] = new CTabItem(fTabFolder, SWT.NONE); |
| 110 | fPageTabs[i].setText(page.getTitle()); |
| 111 | Composite child = new Composite(fTabFolder, SWT.NONE); |
| 112 | child.setLayout(new GridLayout()); |
| 113 | child.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, true, true)); |
| 114 | fPageTabs[i].setControl(child); |
| 115 | attachPreference(child, page); |
| 116 | updateMessage(i); |
| 117 | } |
| 118 | fTabFolder.addSelectionListener(new SelectionAdapter() { |
| 119 | @Override |
| 120 | public void widgetSelected(SelectionEvent e) { |
| 121 | updateMessage(fTabFolder.indexOf((CTabItem) e.item)); |
| 122 | } |
| 123 | }); |
| 124 | } |
| 125 | return composite; |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public boolean isHelpAvailable() { |
| 130 | return false; |
| 131 | } |
| 132 | |
| 133 | private void attachPreference(Composite composite, ISymbolProviderPreferencePage page) { |
| 134 | page.setContainer(this); |
| 135 | page.createControl(composite); |
| 136 | page.getControl().setLayoutData(new GridData(GridData.FILL_BOTH)); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public IPreferenceStore getPreferenceStore() { |
| 141 | // not used |
| 142 | return null; |
| 143 | } |
| 144 | |
| 145 | @Override |
| 146 | public void updateTitle() { |
| 147 | // not used |
| 148 | } |
| 149 | |
| 150 | @Override |
| 151 | public void updateButtons() { |
| 152 | // nothing to do |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | protected void okPressed() { |
| 157 | boolean cancel = false; |
| 158 | try { |
| 159 | new ProgressMonitorDialog(getShell()).run(true, false, configJob); |
| 160 | } catch (InvocationTargetException e) { |
| 161 | setMessage(e.getMessage(), IMessageProvider.ERROR); |
| 162 | cancel = true; |
| 163 | } catch (InterruptedException e) { |
| 164 | // ignore |
| 165 | } |
| 166 | if (!cancel) { |
| 167 | super.okPressed(); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | @Override |
| 172 | public void updateMessage() { |
| 173 | if (fTabFolder == null) { |
| 174 | updateMessage(0); |
| 175 | return; |
| 176 | } |
| 177 | int curSelectionIndex = fTabFolder.getSelectionIndex(); |
| 178 | if (curSelectionIndex >= 0) { |
| 179 | updateMessage(curSelectionIndex); |
| 180 | } |
| 181 | } |
| 182 | |
| 183 | private void updateMessage(int pageIndex) { |
| 184 | ISymbolProviderPreferencePage currentPage = fPreferencePages[pageIndex]; |
| 185 | String message = currentPage.getMessage(); |
| 186 | String errorMessage = currentPage.getErrorMessage(); |
| 187 | int messageType = IMessageProvider.NONE; |
| 188 | |
| 189 | if (errorMessage != null) { |
| 190 | message = errorMessage; |
| 191 | messageType = IMessageProvider.ERROR; |
| 192 | } |
| 193 | setMessage(message, messageType); |
| 194 | |
| 195 | if (fPreferencePages.length > 1) { |
| 196 | // update the corresponding tab icon |
| 197 | if (messageType == IMessageProvider.ERROR) { |
| 198 | fPageTabs[pageIndex].setImage(PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJS_ERROR_TSK)); |
| 199 | } else { |
| 200 | fPageTabs[pageIndex].setImage(null); |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | } |