| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2010, 2012 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Yuriy Vashchuk - Initial API and implementation |
| 11 | * based on Francois Chouinard ProjectView code. |
| 12 | */ |
| 13 | |
| 14 | package org.eclipse.linuxtools.tmf.ui.views.filter; |
| 15 | |
| 16 | import java.io.IOException; |
| 17 | |
| 18 | import javax.xml.parsers.ParserConfigurationException; |
| 19 | |
| 20 | import org.eclipse.core.resources.IResource; |
| 21 | import org.eclipse.core.resources.IWorkspace; |
| 22 | import org.eclipse.core.resources.ResourcesPlugin; |
| 23 | import org.eclipse.core.runtime.CoreException; |
| 24 | import org.eclipse.jface.action.Action; |
| 25 | import org.eclipse.jface.action.IToolBarManager; |
| 26 | import org.eclipse.jface.action.Separator; |
| 27 | import org.eclipse.jface.resource.ImageDescriptor; |
| 28 | import org.eclipse.jface.viewers.ISelectionChangedListener; |
| 29 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 30 | import org.eclipse.jface.viewers.SelectionChangedEvent; |
| 31 | import org.eclipse.linuxtools.internal.tmf.ui.Activator; |
| 32 | import org.eclipse.linuxtools.internal.tmf.ui.Messages; |
| 33 | import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode; |
| 34 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterNode; |
| 35 | import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterRootNode; |
| 36 | import org.eclipse.linuxtools.tmf.core.filter.xml.TmfFilterXMLParser; |
| 37 | import org.eclipse.linuxtools.tmf.core.filter.xml.TmfFilterXMLWriter; |
| 38 | import org.eclipse.linuxtools.tmf.ui.views.TmfView; |
| 39 | import org.eclipse.swt.SWT; |
| 40 | import org.eclipse.swt.graphics.Image; |
| 41 | import org.eclipse.swt.widgets.Composite; |
| 42 | import org.eclipse.swt.widgets.FileDialog; |
| 43 | import org.eclipse.swt.widgets.Shell; |
| 44 | import org.eclipse.ui.IActionBars; |
| 45 | import org.xml.sax.SAXException; |
| 46 | |
| 47 | /** |
| 48 | * View that contain UI to the TMF filter. |
| 49 | * |
| 50 | * @version 1.0 |
| 51 | * @author Yuriy Vashchuk |
| 52 | */ |
| 53 | public class FilterView extends TmfView { |
| 54 | |
| 55 | /** ID for the Filter view */ |
| 56 | public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.filter"; //$NON-NLS-1$ |
| 57 | |
| 58 | private static final Image SAVE_IMAGE = Activator.getDefault().getImageFromPath("/icons/elcl16/save_button.gif"); //$NON-NLS-1$ |
| 59 | private static final Image ADD_IMAGE = Activator.getDefault().getImageFromPath("/icons/elcl16/add_button.gif"); //$NON-NLS-1$ |
| 60 | private static final Image DELETE_IMAGE = Activator.getDefault().getImageFromPath("/icons/elcl16/delete_button.gif"); //$NON-NLS-1$ |
| 61 | private static final Image IMPORT_IMAGE = Activator.getDefault().getImageFromPath("/icons/elcl16/import_button.gif"); //$NON-NLS-1$ |
| 62 | private static final Image EXPORT_IMAGE = Activator.getDefault().getImageFromPath("/icons/elcl16/export_button.gif"); //$NON-NLS-1$ |
| 63 | |
| 64 | // ------------------------------------------------------------------------ |
| 65 | // Main data structures |
| 66 | // ------------------------------------------------------------------------ |
| 67 | |
| 68 | private FilterViewer fViewer; |
| 69 | private final ITmfFilterTreeNode fRoot; |
| 70 | |
| 71 | private final IWorkspace fWorkspace; |
| 72 | |
| 73 | private SaveAction fSaveAction; |
| 74 | private AddAction fAddAction; |
| 75 | private DeleteAction fDeleteAction; |
| 76 | private ExportAction fExportAction; |
| 77 | private ImportAction fImportAction; |
| 78 | |
| 79 | /** |
| 80 | * Getter for the Filter Tree Root |
| 81 | * |
| 82 | * @return The root of builded tree |
| 83 | */ |
| 84 | public ITmfFilterTreeNode getFilterRoot() { |
| 85 | return fRoot; |
| 86 | } |
| 87 | |
| 88 | |
| 89 | // ------------------------------------------------------------------------ |
| 90 | // Constructor |
| 91 | // ------------------------------------------------------------------------ |
| 92 | |
| 93 | /** |
| 94 | * Default Constructor |
| 95 | */ |
| 96 | public FilterView() { |
| 97 | super("Filter"); //$NON-NLS-1$ |
| 98 | |
| 99 | fWorkspace = ResourcesPlugin.getWorkspace(); |
| 100 | try { |
| 101 | fWorkspace.getRoot().refreshLocal(IResource.DEPTH_INFINITE, null); |
| 102 | } catch (CoreException e) { |
| 103 | Activator.getDefault().logError("Error refreshing workspace", e); //$NON-NLS-1$ |
| 104 | } |
| 105 | |
| 106 | fRoot = new TmfFilterRootNode(); |
| 107 | for (ITmfFilterTreeNode node : FilterManager.getSavedFilters()) { |
| 108 | fRoot.addChild(node); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | |
| 113 | /** |
| 114 | * Refresh the tree widget |
| 115 | */ |
| 116 | public void refresh() { |
| 117 | fViewer.refresh(); |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Setter for selection |
| 122 | * |
| 123 | * @param node The node to select |
| 124 | */ |
| 125 | public void setSelection(ITmfFilterTreeNode node) { |
| 126 | fViewer.setSelection(node, true); |
| 127 | } |
| 128 | |
| 129 | // ------------------------------------------------------------------------ |
| 130 | // ViewPart |
| 131 | // ------------------------------------------------------------------------ |
| 132 | |
| 133 | /* (non-Javadoc) |
| 134 | * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(Composite) |
| 135 | */ |
| 136 | @Override |
| 137 | public void createPartControl(Composite parent) { |
| 138 | |
| 139 | fViewer = new FilterViewer(parent, SWT.NONE); |
| 140 | fViewer.setInput(fRoot); |
| 141 | |
| 142 | contributeToActionBars(); |
| 143 | |
| 144 | fViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| 145 | @Override |
| 146 | public void selectionChanged(SelectionChangedEvent event) { |
| 147 | if (!(event.getSelection().isEmpty()) && event.getSelection() instanceof IStructuredSelection) { |
| 148 | fDeleteAction.setEnabled(true); |
| 149 | fExportAction.setEnabled(true); |
| 150 | } else { |
| 151 | fDeleteAction.setEnabled(false); |
| 152 | fExportAction.setEnabled(false); |
| 153 | } |
| 154 | } |
| 155 | }); |
| 156 | } |
| 157 | |
| 158 | /* (non-Javadoc) |
| 159 | * @see org.eclipse.ui.part.WorkbenchPart#setFocus() |
| 160 | */ |
| 161 | @Override |
| 162 | public void setFocus() { |
| 163 | fViewer.setFocus(); |
| 164 | } |
| 165 | |
| 166 | /* |
| 167 | * (non-Javadoc) |
| 168 | * @see java.lang.Object#toString() |
| 169 | */ |
| 170 | @Override |
| 171 | public String toString() { |
| 172 | return "[FilterView]"; //$NON-NLS-1$ |
| 173 | } |
| 174 | |
| 175 | |
| 176 | /** |
| 177 | * Builds the menu toolbar |
| 178 | */ |
| 179 | private void contributeToActionBars() { |
| 180 | IActionBars bars = getViewSite().getActionBars(); |
| 181 | //fillLocalPullDown(bars.getMenuManager()); |
| 182 | fillLocalToolBar(bars.getToolBarManager()); |
| 183 | } |
| 184 | |
| 185 | |
| 186 | /** |
| 187 | * Build the popup menu |
| 188 | * |
| 189 | * @param manager The manager to build |
| 190 | */ |
| 191 | private void fillLocalToolBar(IToolBarManager manager) { |
| 192 | |
| 193 | fSaveAction = new SaveAction(); |
| 194 | fSaveAction.setImageDescriptor(ImageDescriptor.createFromImage(SAVE_IMAGE)); |
| 195 | fSaveAction.setToolTipText(Messages.FilterView_SaveActionToolTipText); |
| 196 | |
| 197 | fAddAction = new AddAction(); |
| 198 | fAddAction.setImageDescriptor(ImageDescriptor.createFromImage(ADD_IMAGE)); |
| 199 | fAddAction.setToolTipText(Messages.FilterView_AddActionToolTipText); |
| 200 | |
| 201 | fDeleteAction = new DeleteAction(); |
| 202 | fDeleteAction.setImageDescriptor(ImageDescriptor.createFromImage(DELETE_IMAGE)); |
| 203 | fDeleteAction.setToolTipText(Messages.FilterView_DeleteActionToolTipText); |
| 204 | fDeleteAction.setEnabled(false); |
| 205 | |
| 206 | fExportAction = new ExportAction(); |
| 207 | fExportAction.setImageDescriptor(ImageDescriptor.createFromImage(EXPORT_IMAGE)); |
| 208 | fExportAction.setToolTipText(Messages.FilterView_ExportActionToolTipText); |
| 209 | |
| 210 | fImportAction = new ImportAction(); |
| 211 | fImportAction.setImageDescriptor(ImageDescriptor.createFromImage(IMPORT_IMAGE)); |
| 212 | fImportAction.setToolTipText(Messages.FilterView_ImportActionToolTipText); |
| 213 | |
| 214 | manager.add(fSaveAction); |
| 215 | manager.add(new Separator()); |
| 216 | manager.add(fAddAction); |
| 217 | manager.add(fDeleteAction); |
| 218 | manager.add(new Separator()); |
| 219 | manager.add(fExportAction); |
| 220 | manager.add(fImportAction); |
| 221 | } |
| 222 | |
| 223 | private class SaveAction extends Action { |
| 224 | @Override |
| 225 | public void run() { |
| 226 | FilterManager.setSavedFilters(fRoot.getChildren()); |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | private class AddAction extends Action { |
| 231 | @Override |
| 232 | public void run() { |
| 233 | |
| 234 | TmfFilterNode newNode = new TmfFilterNode(fRoot, ""); //$NON-NLS-1$ |
| 235 | refresh(); |
| 236 | setSelection(newNode); |
| 237 | } |
| 238 | } |
| 239 | |
| 240 | private class DeleteAction extends Action { |
| 241 | @Override |
| 242 | public void run() { |
| 243 | ITmfFilterTreeNode node = fViewer.getSelection(); |
| 244 | if (node != null) { |
| 245 | node.remove(); |
| 246 | } |
| 247 | refresh(); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | private class ExportAction extends Action { |
| 252 | @Override |
| 253 | public void run() { |
| 254 | try { |
| 255 | FileDialog dlg = new FileDialog(new Shell(), SWT.SAVE); |
| 256 | dlg.setFilterNames(new String[] {Messages.FilterView_FileDialogFilterName + " (*.filter.xml)"}); //$NON-NLS-1$ |
| 257 | dlg.setFilterExtensions(new String[] {"*.filter.xml"}); //$NON-NLS-1$ |
| 258 | |
| 259 | String fn = dlg.open(); |
| 260 | if (fn != null) { |
| 261 | TmfFilterXMLWriter writerXML = new TmfFilterXMLWriter(fRoot); |
| 262 | writerXML.saveTree(fn); |
| 263 | } |
| 264 | |
| 265 | } catch (ParserConfigurationException e) { |
| 266 | Activator.getDefault().logError("Error parsing filter xml file", e); //$NON-NLS-1$ |
| 267 | } |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | private class ImportAction extends Action { |
| 272 | @Override |
| 273 | public void run() { |
| 274 | if (fViewer != null) { |
| 275 | ITmfFilterTreeNode root = null; |
| 276 | try { |
| 277 | FileDialog dlg = new FileDialog(new Shell(), SWT.OPEN); |
| 278 | dlg.setFilterNames(new String[] {Messages.FilterView_FileDialogFilterName + " (*.filter.xml)"}); //$NON-NLS-1$ |
| 279 | dlg.setFilterExtensions(new String[] {"*.filter.xml"}); //$NON-NLS-1$ |
| 280 | |
| 281 | TmfFilterXMLParser parserXML = null; |
| 282 | String fn = dlg.open(); |
| 283 | if (fn != null) { |
| 284 | parserXML = new TmfFilterXMLParser(fn); |
| 285 | root = parserXML.getTree(); |
| 286 | } |
| 287 | |
| 288 | } catch (SAXException e) { |
| 289 | Activator.getDefault().logError("Error importing filter xml file", e); //$NON-NLS-1$ |
| 290 | } catch (IOException e) { |
| 291 | Activator.getDefault().logError("Error importing filter xml file", e); //$NON-NLS-1$ |
| 292 | } |
| 293 | |
| 294 | if (root != null) { |
| 295 | for (ITmfFilterTreeNode node : root.getChildren()) { |
| 296 | if (node instanceof TmfFilterNode) { |
| 297 | fRoot.addChild(node); |
| 298 | refresh(); |
| 299 | fViewer.setSelection(node); |
| 300 | } |
| 301 | } |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | } |