taxeditor-editor/src/main/java/eu/etaxonomy/taxeditor/editor/description/DistributionMapDialog.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.editor.description;
  12
  13 import java.awt.Color;
  14 import java.util.Map;
  15
  16 import org.eclipse.swt.SWT;
  17 import org.eclipse.swt.browser.Browser;
  18 import org.eclipse.swt.browser.ProgressEvent;
  19 import org.eclipse.swt.browser.ProgressListener;
  20 import org.eclipse.swt.events.ControlEvent;
  21 import org.eclipse.swt.events.ControlListener;
  22 import org.eclipse.swt.layout.GridData;
  23 import org.eclipse.swt.layout.GridLayout;
  24 import org.eclipse.swt.widgets.Dialog;
  25 import org.eclipse.swt.widgets.Display;
  26 import org.eclipse.swt.widgets.ProgressBar;
  27 import org.eclipse.swt.widgets.Shell;
  28
  29 import eu.etaxonomy.cdm.ext.EditGeoService;
  30 import eu.etaxonomy.cdm.ext.IEditGeoService;
  31 import eu.etaxonomy.cdm.model.description.PresenceAbsenceTermBase;
  32 import eu.etaxonomy.taxeditor.editor.AbstractTaxonEditor;
  33
  34 /**
  35  * @author n.hoffmann
  36  * @created 26.05.2009
  37  * @version 1.0
  38  */
  39 public class DistributionMapDialog extends Dialog {
  40
  41         private IEditGeoService geoService;
  42
  43         private AbstractTaxonEditor editor;
  44
  45         private Browser browser;
  46
  47         private Shell shell;
  48
  49         /**
  50          * @param parent
  51          * @param style
  52          */
  53         public DistributionMapDialog(Shell parent, int style) {
  54                 super(parent, style);
  55                 this.setText("Map Viewer");
  56                 geoService = new EditGeoService();
  57         }
  58
  59         /**
  60          * @param parent
  61          */
  62         public DistributionMapDialog(AbstractTaxonEditor editor, Shell parent) {
  63                 this(parent, 0);
  64
  65                 this.editor = editor;
  66         }
  67
  68         public Object open () {
  69                 Shell parent = getParent();
  70                 shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.MAX | SWT.RESIZE | SWT.APPLICATION_MODAL);
  71                 shell.setText(getText());
  72
  73                 shell.setSize(810, 450);
  74
  75
  76 //              Composite composite = new Composite(shell, SWT.NONE);
  77
  78                 GridLayout gridLayout = new GridLayout();
  79                 gridLayout.numColumns = 1;
  80                 shell.setLayout(gridLayout);
  81
  82                 browser = new Browser(shell, SWT.NONE);
  83
  84                 GridData data = new GridData();
  85                 data.horizontalAlignment = GridData.FILL;
  86                 data.verticalAlignment = GridData.FILL;
  87                 data.grabExcessHorizontalSpace = true;
  88                 data.grabExcessVerticalSpace = true;
  89
  90                 browser.setLayoutData(data);
  91
  92
  93                 final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
  94                 data = new GridData();
  95                 data.horizontalAlignment = GridData.END;
  96                 progressBar.setLayoutData(data);
  97
  98
  99                 browser.addProgressListener(new ProgressListener() {
 100                         public void changed(ProgressEvent event) {
 101                                         if (event.total == 0) return;
 102                                         int ratio = event.current * 100 / event.total;
 103                                         progressBar.setSelection(ratio);
 104                         }
 105                         public void completed(ProgressEvent event) {
 106                                 progressBar.setSelection(0);
 107                         }
 108                 });
 109
 110                 shell.addControlListener(new ControlListener(){
 111
 112                         public void controlMoved(ControlEvent e) {
 113                                 // do nothing
 114                         }
 115
 116                         public void controlResized(ControlEvent e) {
 117                                 loadMap();
 118                         }
 119
 120                 });
 121
 122                 shell.open();
 123                 loadMap();
 124
 125                 Display display = parent.getDisplay();
 126                 while (!shell.isDisposed()) {
 127                         if (!display.readAndDispatch()) display.sleep();
 128                 }
 129                 return null;
 130         }
 131
 132         private void loadMap(){
 133                 browser.setUrl(getMapUrl());
 134         }
 135
 136         private String getMapUrl(){
 137                 // FIXME make these hardcoded parameters configurable via preferences
 138                 String url = "http://edit.csic.es/v1/areas.php";
 139                 Map<PresenceAbsenceTermBase<?>,Color> presenceAbsenceTermColors = null;
 140                 int width = calculateWidth();
 141                 int height = 0;
 142                 String bbox = "-180,-90,180,90";
 143                 String backLayer = null;
 144
 145                 String parameter = geoService.getEditGeoServiceUrlParameterString(
 146                                 editor.getTaxon(),
 147                                 presenceAbsenceTermColors,
 148                                 width,
 149                                 height,
 150                                 bbox,
 151                                 backLayer);
 152
 153                 return url + "?" + parameter;
 154         }
 155
 156         /**
 157          * @return
 158          */
 159         private int calculateWidth(){
 160                 return shell.getSize().x - 10;
 161         }
 162
 163         /**
 164          * @return the editor
 165          */
 166         public AbstractTaxonEditor getEditor() {
 167                 return editor;
 168         }
 169 }