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