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.Menu;
  27 import org.eclipse.swt.widgets.Text;
  28 import org.eclipse.ui.IViewPart;
  29 import org.eclipse.ui.IWorkbenchPage;
  30 import org.eclipse.ui.PartInitException;
  31 import org.eclipse.ui.menus.WorkbenchWindowControlContribution;
  32
  33 import eu.etaxonomy.taxeditor.model.ImageResources;
  34 import eu.etaxonomy.taxeditor.model.Resources;
  35 import eu.etaxonomy.taxeditor.navigation.internal.TaxeditorNavigationPlugin;
  36
  37 /**
  38  * @author n.hoffmann
  39  * @created 15.04.2009
  40  * @version 1.0
  41  */
  42 public class SearchBar extends WorkbenchWindowControlContribution{
  43         private static final Logger logger = Logger.getLogger(SearchBar.class);
  44         private Text text_search;
  45         private Button button_search;
  46         private String srv;
  47
  48         private String defaultText = "Use \"*\" for wildcard searching";
  49         private Button button_configure;
  50
  51         @Override
  52         protected Control createControl(Composite parent) {
  53                 //parent.setLayout(new FillLayout());
  54
  55                 Composite composite = new Composite(parent, SWT.NONE);
  56                 final GridLayout gridLayout = new GridLayout();
  57                 gridLayout.numColumns = 3;
  58                 gridLayout.marginWidth = 0;
  59                 gridLayout.marginHeight = 0;
  60                 gridLayout.verticalSpacing = 0;
  61                 gridLayout.horizontalSpacing = 0;
  62                 composite.setLayout(gridLayout);
  63                 // FIXME we have this here for debugging purposes, remove color once the layout of the search bar is correct
  64                 composite.setBackground(Resources.getColor(Resources.SEARCH_VIEW_FOREGROUND));
  65
  66                 text_search = new Text(composite, SWT.SEARCH);
  67                 GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
  68
  69                 text_search.setLayoutData(gridData);
  70                 text_search.setForeground(Resources.getColor(Resources.SEARCH_VIEW_FOREGROUND));
  71                 text_search.setText(defaultText);
  72
  73                 text_search.addFocusListener(new FocusListener() {
  74
  75                         public void focusGained(FocusEvent e) {
  76                                 text_search.setForeground(Resources.getColor(Resources.SEARCH_VIEW_FOCUS));
  77                                 text_search.setText("");
  78                         }
  79
  80                         public void focusLost(FocusEvent e) {
  81                                 if (text_search.getText() == "") {
  82                                         text_search.setForeground(Resources.getColor(Resources.SEARCH_VIEW_FOREGROUND));
  83                                         text_search.setText(defaultText);
  84                                 }
  85                         }
  86                 });
  87                 text_search.addKeyListener(new KeyAdapter() {
  88                         public void keyReleased(KeyEvent e) {
  89                                 int key = e.keyCode;
  90                                 if (key == SWT.CR) {
  91                                         openSearchResultsView(text_search);
  92                                 } else {
  93                                         setSearchButtonEnabled();
  94                                 }
  95                         }
  96                 });
  97
  98                 button_configure = new Button(composite, SWT.DROP_DOWN);
  99                 button_configure.setImage(ImageResources.getImage(ImageResources.MOVE_ICON));
 100
 101                 button_search = new Button(composite, SWT.PUSH);
 102                 button_search.setText("Search");
 103                 button_search.setEnabled(false);
 104                 button_search.addMouseListener(new MouseAdapter() {
 105
 106                         // Populate search results resultsTable after clicking button
 107                         public void mouseUp(MouseEvent e) {
 108                                 openSearchResultsView(text_search);
 109                         }
 110                 });
 111                 return composite;
 112         }
 113
 114         protected void setSearchButtonEnabled() {
 115                 if (text_search.getText().length() == 0) {
 116                         button_search.setEnabled(false);
 117                 } else {
 118                         button_search.setEnabled(true);
 119                 }
 120         }
 121
 122         private void openSearchResultsView(Text searchText) {
 123                 if(searchText.getText().length() > 0){
 124                         srv += "1";
 125                         logger.info("Opening search results window " + srv);
 126                         try {
 127                                 IViewPart resultsView = TaxeditorNavigationPlugin.getDefault().getWorkbench()
 128                                         .getActiveWorkbenchWindow().getActivePage().showView(SearchResultView.ID,
 129                                                 srv, IWorkbenchPage.VIEW_ACTIVATE);
 130                                 ((SearchResultView) resultsView).performSearch(searchText.getText());
 131                         } catch (PartInitException e) {
 132                                 logger.error("Error opening search result.", e);
 133                         }
 134                 }
 135         }
 136 }