eclipseprojects/eu.etaxonomy.taxeditor/src/eu/etaxonomy/taxeditor/navigation/SearchView.java

   1 /**
   2  * Copyright (C) 2007 EDIT
   3  * European Distributed Institute of Taxonomy
   4  * http://www.e-taxonomy.eu
   5  *
   6  * The contents of this file are subject to the Mozilla Public License Version 1.1
   7  * See LICENSE.TXT at the top of this package for the full license terms.
   8  */
   9
  10 package eu.etaxonomy.taxeditor.navigation;
  11
  12 import java.util.List;
  13 import java.util.Set;
  14
  15 import org.apache.log4j.Logger;
  16 import org.eclipse.jface.action.IMenuManager;
  17 import org.eclipse.jface.action.IToolBarManager;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.events.FocusEvent;
  20 import org.eclipse.swt.events.FocusListener;
  21 import org.eclipse.swt.events.KeyAdapter;
  22 import org.eclipse.swt.events.KeyEvent;
  23 import org.eclipse.swt.events.MouseAdapter;
  24 import org.eclipse.swt.events.MouseEvent;
  25 import org.eclipse.swt.layout.FillLayout;
  26 import org.eclipse.swt.layout.GridData;
  27 import org.eclipse.swt.layout.GridLayout;
  28 import org.eclipse.swt.widgets.Button;
  29 import org.eclipse.swt.widgets.Composite;
  30 import org.eclipse.swt.widgets.Display;
  31 import org.eclipse.swt.widgets.Label;
  32 import org.eclipse.swt.widgets.Text;
  33 import org.eclipse.ui.part.ViewPart;
  34
  35 import com.swtdesigner.SWTResourceManager;
  36
  37 import eu.etaxonomy.cdm.model.name.TaxonNameBase;
  38 import eu.etaxonomy.taxeditor.UiUtil;
  39 import eu.etaxonomy.taxeditor.model.CdmUtil;
  40
  41 /**
  42  * The left navigation pane.
  43  *
  44  * @author p.ciardelli
  45  * @created 27.05.2008
  46  * @version 1.0
  47  */
  48 public class SearchView extends ViewPart {
  49         private static final Logger logger = Logger.getLogger(SearchView.class);
  50
  51         private Text searchText;
  52         private Composite searchComposite = null;
  53         public static final String ID = "eu.etaxonomy.taxeditor.navigation.searchview"; //$NON-NLS-1$
  54
  55         private Label noResultsLabel;
  56
  57         private Button searchButton;
  58
  59         /**
  60          * Create contents of the view part
  61          * @param parent
  62          */
  63         @Override
  64         public void createPartControl(Composite parent) {
  65
  66                 parent.setLayout(new FillLayout());
  67
  68                 searchComposite = new Composite(parent, SWT.NONE);
  69                 searchComposite.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
  70                 final GridLayout gridLayout = new GridLayout();
  71                 gridLayout.numColumns = 2;
  72                 searchComposite.setLayout(gridLayout);
  73
  74                 searchText = new Text(searchComposite, SWT.BORDER);
  75                 searchText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
  76                 searchText.setForeground(SWTResourceManager.getColor(192, 192, 192));
  77                 searchText.setText("Use \"*\" for wildcard searching");
  78                 final GridData gd_useForText = new GridData(SWT.FILL, SWT.CENTER, true, false);
  79                 searchText.setLayoutData(gd_useForText);
  80                 searchText.addFocusListener(new FocusListener() {
  81
  82                         public void focusGained(FocusEvent e) {
  83                                 searchText.setForeground(SWTResourceManager.getColor(0,0,0));
  84                                 searchText.setText("");
  85                         }
  86
  87                         public void focusLost(FocusEvent e) {
  88                                 if (searchText.getText() == "") {
  89                                         searchText.setForeground(SWTResourceManager.getColor(192, 192, 192));
  90                                         searchText.setText("Use \"*\" for wildcard searching");
  91                                 }
  92                         }
  93                 });
  94                 searchText.addKeyListener(new KeyAdapter() {
  95                         public void keyReleased(KeyEvent e) {
  96                                 int key = e.keyCode;
  97                                 if (key == SWT.CR) {
  98                                         populateSearchResults();
  99                                 } else {
 100                                         setSearchButtonEnabled();
 101                                 }
 102                         }
 103                 });
 104
 105                 searchButton = new Button(searchComposite, SWT.NONE);
 106                 searchButton.setText("Search");
 107                 searchButton.setEnabled(false);
 108                 searchButton.addMouseListener(new MouseAdapter() {
 109
 110                         // Populate search results resultsTable after clicking button
 111                         public void mouseUp(MouseEvent e) {
 112                                 populateSearchResults();
 113                         }
 114                 });
 115
 116                 noResultsLabel = new Label(searchComposite, SWT.NONE);
 117                 noResultsLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1));
 118                 noResultsLabel.setText("0 results found.");
 119                 noResultsLabel.setVisible(false);
 120                 noResultsLabel.setBackground(Display.getCurrent().getSystemColor(SWT.COLOR_WHITE));
 121
 122                 // TEMPORARY PENDING IMPLEMENTATION - Disable visible fields
 123 //              searchButton.setEnabled(false);
 124
 125                 createActions();
 126                 initializeToolBar();
 127                 initializeMenu();
 128         }
 129
 130         protected void setSearchButtonEnabled() {
 131                 if (searchText.getText().length() == 0) {
 132                         searchButton.setEnabled(false);
 133                 } else {
 134                         searchButton.setEnabled(true);
 135                 }
 136         }
 137
 138         protected void populateSearchResults() {
 139 //              UiUtil.openSearchResultsView(null);
 140
 141                 noResultsLabel.setVisible(false);
 142                 if (searchText.getText().length() > 0) {
 143
 144                         // Query CDM with search text
 145                         SearchResult searchResult = CdmUtil.searchTaxaByName(searchText.getText());
 146                         searchResult.setSearchString(searchText.getText());
 147 //                      List<TaxonNameBase> results = CdmUtil.searchNameString(searchText.getText());
 148
 149                         // If there are results, open a view in the center pane
 150                         if (searchResult.size() > 0) {
 151                                 UiUtil.openSearchResultsView(searchResult);
 152                         } else {
 153
 154                                 // Display "no results found" message
 155                                 logger.warn("no results found");
 156 //                              noResultsLabel.setText("No results found for '" + searchText.getText() + "'");
 157                                 noResultsLabel.setVisible(true);
 158                         }
 159                 }
 160         }
 161
 162         private void createActions() {
 163                 // Create the actions
 164         }
 165
 166         /**
 167          * Initialize the toolbar
 168          */
 169         private void initializeToolBar() {
 170                 IToolBarManager toolbarManager = getViewSite().getActionBars()
 171                                 .getToolBarManager();
 172         }
 173
 174         /**
 175          * Initialize the menu
 176          */
 177         private void initializeMenu() {
 178                 IMenuManager menuManager = getViewSite().getActionBars()
 179                                 .getMenuManager();
 180         }
 181
 182         @Override
 183         public void setFocus() {
 184                 // Set the focus
 185         }
 186 }