bundles/org.simantics.workbench/src/org/simantics/workbench/internal/contributions/search/SearchTrim.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   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  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.workbench.internal.contributions.search;
  13
  14 import org.eclipse.jface.layout.GridDataFactory;
  15 import org.eclipse.jface.layout.GridLayoutFactory;
  16 import org.eclipse.jface.resource.JFaceResources;
  17 import org.eclipse.jface.resource.LocalResourceManager;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.events.DisposeEvent;
  20 import org.eclipse.swt.events.DisposeListener;
  21 import org.eclipse.swt.events.KeyAdapter;
  22 import org.eclipse.swt.events.KeyEvent;
  23 import org.eclipse.swt.graphics.Image;
  24 import org.eclipse.swt.layout.GridData;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.swt.widgets.Label;
  27 import org.eclipse.swt.widgets.Shell;
  28 import org.eclipse.swt.widgets.Text;
  29 import org.eclipse.ui.PlatformUI;
  30 import org.eclipse.ui.swt.IFocusService;
  31 import org.simantics.db.layer0.genericrelation.Dependencies;
  32 import org.simantics.utils.ui.BundleUtils;
  33 import org.simantics.workbench.search.ISearchService;
  34 import org.simantics.workbench.search.SearchQuery;
  35
  36 /**
  37  * @author Tuukka Lehtonen
  38  */
  39 public class SearchTrim extends Composite {
  40
  41     private static final String SEARCH_TEXT_FOCUS_CONTROL_ID = "org.simantics.workbench.search.text";
  42
  43
  44
  45     public static final String         KEY_TRIM    = "SearchTrim";
  46
  47
  48
  49     private final LocalResourceManager resourceManager;
  50
  51     private final boolean              disabled    = false;
  52
  53     protected final Text                 searchText;
  54
  55     /**
  56      * Creates a new heap status control with the given parent, and using the
  57      * given preference store to obtain settings such as the refresh interval.
  58      *
  59      * @param parent the parent composite
  60      * @param prefStore the preference store
  61      */
  62     public SearchTrim(Composite parent) {
  63         super(parent, SWT.NONE);
  64
  65         // System.err.println("parent: " + parent.getLayout());
  66         this.resourceManager = new LocalResourceManager(JFaceResources.getResources(), this);
  67
  68         searchText = new Text(this, SWT.BORDER | SWT.FLAT | SWT.SEARCH | SWT.ICON_SEARCH);
  69         searchText.setToolTipText("Enter Search Criteria for Active Model");
  70         GridDataFactory.fillDefaults().hint(100, SWT.DEFAULT).grab(true, true).applyTo(searchText);
  71         searchText.addKeyListener(new KeyAdapter() {
  72             @Override
  73             public void keyPressed(KeyEvent e) {
  74                 if (e.keyCode == SWT.CR || e.keyCode == SWT.KEYPAD_CR) {
  75                     nameAndTypeQuery(((e.stateMask & SWT.CTRL) == 0) ? ISearchService.ResultBrowser.VIEW : ISearchService.ResultBrowser.EDITOR);
  76                 }
  77             }
  78         });
  79
  80         if (PlatformUI.isWorkbenchRunning()) {
  81             IFocusService service = (IFocusService) PlatformUI.getWorkbench().getService(IFocusService.class);
  82             service.addFocusTracker(searchText, SEARCH_TEXT_FOCUS_CONTROL_ID);
  83         }
  84
  85         if ((searchText.getStyle() & SWT.ICON_SEARCH) == 0) {
  86             final Label searchButton= new Label(this, SWT.NONE);
  87             searchButton.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, true));
  88             searchButton.setImage((Image) resourceManager.get(BundleUtils.getImageDescriptorFromPlugin("com.famfamfam.silk", "/icons/magnifier.png")));
  89             searchButton.moveAbove(searchText);
  90             searchButton.setToolTipText("Search Active Model Contents");
  91
  92             GridLayoutFactory.swtDefaults().margins(0, 0).spacing(0, 0).numColumns(3).applyTo(this);
  93         } else {
  94             GridLayoutFactory.swtDefaults().margins(0, 0).spacing(0, 0).numColumns(2).applyTo(this);
  95         }
  96
  97         Label filler = new Label(this, SWT.NONE);
  98         GridDataFactory.swtDefaults().grab(true, false).minSize(3, SWT.DEFAULT).applyTo(filler);
  99
 100         /*
 101
 102         final Button b = new Button(this, SWT.PUSH);
 103         // b.setText("Search by Name");
 104         b.setText("&Name");
 105         b.setToolTipText("Search by Name");
 106         b.setImage(resourceManager.createImage(Activator.getImageDescriptor("img/magnifier.png")));
 107         GridDataFactory.fillDefaults().applyTo(b);
 108         b.addSelectionListener(new SelectionAdapter() {
 109             @Override
 110             public void widgetSelected(SelectionEvent e) {
 111                 nameQuery(((e.stateMask & SWT.CTRL) == 0) ? ResultBrowser.VIEW : ResultBrowser.EDITOR);
 112             }
 113         });
 114
 115         final Button b2 = new Button(this, SWT.PUSH);
 116         b2.setText("&Type");
 117         // b2.setText("Search by Type");
 118         b2.setToolTipText("Search by Type");
 119         GridDataFactory.fillDefaults().applyTo(b2);
 120
 121         b2.setImage(resourceManager.createImage(Activator.getImageDescriptor("img/magnifier.png")));
 122         b2.addSelectionListener(new SelectionAdapter() {
 123             @Override
 124             public void widgetSelected(SelectionEvent e) {
 125                 typeQuery(((e.stateMask & SWT.CTRL) == 0) ? ResultBrowser.VIEW : ResultBrowser.EDITOR);
 126             }
 127         });
 128         */
 129
 130         // Register the KEY_TRIM datum into this controls parent Shell.
 131         // This enables FocusSearchTrim handler to work (to focus this control).
 132         final Shell shell = parent.getShell();
 133         shell.setData(KEY_TRIM, searchText);
 134         addDisposeListener(new DisposeListener() {
 135             @Override
 136             public void widgetDisposed(DisposeEvent e) {
 137                 shell.setData(KEY_TRIM, null);
 138             }
 139         });
 140     }
 141
 142     protected void nameQuery(ISearchService.ResultBrowser browserType) {
 143         if (disabled)
 144             return;
 145         String originalInput = searchText.getText();
 146         String query = originalInput;
 147
 148         // Don't allow empty queries
 149         if (query.trim().isEmpty())
 150             return;
 151
 152         query = filter(query);
 153
 154         SearchQuery searchQuery = new SearchQuery(originalInput);
 155         searchQuery.setSearchFlag(Dependencies.FIELD_NAME_SEARCH, "on");
 156         performQuery(searchQuery, browserType);
 157     }
 158
 159     protected void typeQuery(ISearchService.ResultBrowser browserType) {
 160         if (disabled)
 161             return;
 162         String originalInput = searchText.getText();
 163         String query = originalInput;
 164
 165         // Don't allow empty queries
 166         if (query.trim().isEmpty())
 167             return;
 168
 169         SearchQuery searchQuery = new SearchQuery(originalInput);
 170         searchQuery.setSearchFlag(Dependencies.FIELD_TYPES_SEARCH, "on");
 171         performQuery(searchQuery, browserType);
 172     }
 173
 174     protected void nameAndTypeQuery(ISearchService.ResultBrowser browserType) {
 175         if (disabled)
 176             return;
 177         String originalInput = searchText.getText();
 178         String query = originalInput;
 179
 180         // Don't allow empty queries
 181         if (query.trim().isEmpty())
 182             return;
 183
 184         SearchQuery searchQuery = new SearchQuery(originalInput);
 185         searchQuery.setSearchFlag(Dependencies.FIELD_NAME_SEARCH, "on");
 186         searchQuery.setSearchFlag(Dependencies.FIELD_TYPES_SEARCH, "on");
 187         performQuery(searchQuery, browserType);
 188     }
 189
 190     protected String filter(String query) {
 191         // TODO: implement
 192         if (!query.endsWith("*"))
 193             query += "*";
 194         // ''' characters cannot be used in the query string, replace them with '"'
 195         query = query.replaceAll("'", "\"");
 196         return query;
 197     }
 198
 199     protected void performQuery(SearchQuery query, ISearchService.ResultBrowser browserType) {
 200         ISearchService searchService = (ISearchService)PlatformUI.getWorkbench().getService(ISearchService.class);
 201         searchService.performQuery(query, browserType, true);
 202     }
 203
 204
 205
 206
 207
 208 }