taxeditor-navigation/src/main/java/eu/etaxonomy/taxeditor/navigation/search/SearchBar.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2007 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10
  11 package eu.etaxonomy.taxeditor.navigation.search;
  12
  13 import org.apache.log4j.Logger;
  14 import org.eclipse.swt.SWT;
  15 import org.eclipse.swt.events.FocusEvent;
  16 import org.eclipse.swt.events.FocusListener;
  17 import org.eclipse.swt.events.KeyAdapter;
  18 import org.eclipse.swt.events.KeyEvent;
  19 import org.eclipse.swt.events.MouseAdapter;
  20 import org.eclipse.swt.events.MouseEvent;
  21 import org.eclipse.swt.layout.GridData;
  22 import org.eclipse.swt.layout.GridLayout;
  23 import org.eclipse.swt.widgets.Button;
  24 import org.eclipse.swt.widgets.Composite;
  25 import org.eclipse.swt.widgets.Control;
  26 import org.eclipse.swt.widgets.Text;
  27 import org.eclipse.ui.IViewPart;
  28 import org.eclipse.ui.IWorkbenchPage;
  29 import org.eclipse.ui.PartInitException;
  30 import org.eclipse.ui.menus.WorkbenchWindowControlContribution;
  31
  32 import eu.etaxonomy.taxeditor.navigation.internal.TaxeditorNavigationPlugin;
  33 import eu.etaxonomy.taxeditor.store.model.Resources;
  34
  35 /**
  36  * @author n.hoffmann
  37  * @created 15.04.2009
  38  * @version 1.0
  39  */
  40 public class SearchBar extends WorkbenchWindowControlContribution{
  41         private static final Logger logger = Logger.getLogger(SearchBar.class);
  42         private Composite searchComposite;
  43         private Text searchText;
  44         private Button searchButton;
  45         private String srv;
  46
  47         private String defaultText = "Use \"*\" for wildcard searching";
  48
  49         @Override
  50         protected Control createControl(Composite parent) {
  51                 //parent.setLayout(new FillLayout());
  52
  53                 searchComposite = new Composite(parent, SWT.NONE);
  54                 final GridLayout gridLayout = new GridLayout();
  55                 gridLayout.numColumns = 2;
  56                 gridLayout.marginWidth = 0;
  57                 gridLayout.marginHeight = 0;
  58                 gridLayout.verticalSpacing = 0;
  59                 gridLayout.horizontalSpacing = 0;
  60                 searchComposite.setLayout(gridLayout);
  61                 // FIXME we have this here for debugging purposes, remove color once the layout of the search bar is correct
  62                 searchComposite.setBackground(Resources.getColor(Resources.SEARCH_VIEW_FOREGROUND));
  63
  64                 searchText = new Text(searchComposite, SWT.SEARCH);
  65                 GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
  66
  67                 searchText.setLayoutData(gridData);
  68                 searchText.setForeground(Resources.getColor(Resources.SEARCH_VIEW_FOREGROUND));
  69                 searchText.setText(defaultText);
  70
  71                 searchText.addFocusListener(new FocusListener() {
  72
  73                         public void focusGained(FocusEvent e) {
  74                                 searchText.setForeground(Resources.getColor(Resources.SEARCH_VIEW_FOCUS));
  75                                 searchText.setText("");
  76                         }
  77
  78                         public void focusLost(FocusEvent e) {
  79                                 if (searchText.getText() == "") {
  80                                         searchText.setForeground(Resources.getColor(Resources.SEARCH_VIEW_FOREGROUND));
  81                                         searchText.setText(defaultText);
  82                                 }
  83                         }
  84                 });
  85                 searchText.addKeyListener(new KeyAdapter() {
  86                         public void keyReleased(KeyEvent e) {
  87                                 int key = e.keyCode;
  88                                 if (key == SWT.CR) {
  89                                         openSearchResultsView(searchText);
  90                                 } else {
  91                                         setSearchButtonEnabled();
  92                                 }
  93                         }
  94                 });
  95
  96                 searchButton = new Button(searchComposite, SWT.NONE);
  97                 searchButton.setText("Search");
  98                 searchButton.setEnabled(false);
  99                 searchButton.addMouseListener(new MouseAdapter() {
 100
 101                         // Populate search results resultsTable after clicking button
 102                         public void mouseUp(MouseEvent e) {
 103                                 openSearchResultsView(searchText);
 104                         }
 105                 });
 106                 return searchComposite;
 107         }
 108
 109         protected void setSearchButtonEnabled() {
 110                 if (searchText.getText().length() == 0) {
 111                         searchButton.setEnabled(false);
 112                 } else {
 113                         searchButton.setEnabled(true);
 114                 }
 115         }
 116
 117         private void openSearchResultsView(Text searchText) {
 118                 if(searchText.getText().length() > 0){
 119                         srv += "1";
 120                         logger.info("Opening search results window " + srv);
 121                         try {
 122                                 IViewPart resultsView = TaxeditorNavigationPlugin.getDefault().getWorkbench()
 123                                         .getActiveWorkbenchWindow().getActivePage().showView(SearchResultView.ID,
 124                                                 srv, IWorkbenchPage.VIEW_ACTIVATE);
 125                                 ((SearchResultView) resultsView).performSearch(searchText.getText());
 126                         } catch (PartInitException e) {
 127                                 logger.error("Error opening search result.", e);
 128                         }
 129                 }
 130         }
 131 }