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 import java.util.Set;
  16
  17 import org.apache.log4j.Logger;
  18 import org.eclipse.swt.SWT;
  19 import org.eclipse.swt.browser.Browser;
  20 import org.eclipse.swt.browser.ProgressEvent;
  21 import org.eclipse.swt.browser.ProgressListener;
  22 import org.eclipse.swt.events.ControlEvent;
  23 import org.eclipse.swt.events.ControlListener;
  24 import org.eclipse.swt.layout.GridData;
  25 import org.eclipse.swt.layout.GridLayout;
  26 import org.eclipse.swt.widgets.Dialog;
  27 import org.eclipse.swt.widgets.Display;
  28 import org.eclipse.swt.widgets.ProgressBar;
  29 import org.eclipse.swt.widgets.Shell;
  30
  31 import eu.etaxonomy.cdm.ext.EditGeoService;
  32 import eu.etaxonomy.cdm.model.description.Distribution;
  33 import eu.etaxonomy.cdm.model.description.PresenceAbsenceTermBase;
  34 import eu.etaxonomy.taxeditor.editor.AbstractTaxonEditor;
  35
  36 /**
  37  * @author n.hoffmann
  38  * @created 26.05.2009
  39  * @version 1.0
  40  */
  41 public class DistributionMapDialog extends Dialog {
  42
  43         private Set<Distribution> distributions;
  44
  45         private AbstractTaxonEditor editor;
  46
  47         private Browser browser;
  48
  49         private Shell shell;
  50
  51         private static final Logger logger = Logger
  52         .getLogger(DistributionMapDialog.class);
  53
  54         /**
  55          * @param parent
  56          * @param style
  57          */
  58         public DistributionMapDialog(Shell parent, int style) {
  59                 super(parent, style);
  60                 this.setText("Map Viewer");
  61         }
  62
  63         /**
  64          * @param parent
  65          */
  66         public DistributionMapDialog(AbstractTaxonEditor editor, Shell parent, Set<Distribution> distributions) {
  67                 this(parent, 0);
  68
  69                 this.editor = editor;
  70                 this.distributions = distributions;
  71         }
  72
  73         public Object open () {
  74                 Shell parent = getParent();
  75                 shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.MAX | SWT.RESIZE | SWT.APPLICATION_MODAL);
  76                 shell.setText(getText());
  77
  78                 shell.setSize(810, 450);
  79
  80
  81 //              Composite composite = new Composite(shell, SWT.NONE);
  82
  83                 GridLayout gridLayout = new GridLayout();
  84                 gridLayout.numColumns = 1;
  85                 shell.setLayout(gridLayout);
  86
  87                 browser = new Browser(shell, SWT.NONE);
  88
  89                 GridData data = new GridData();
  90                 data.horizontalAlignment = GridData.FILL;
  91                 data.verticalAlignment = GridData.FILL;
  92                 data.grabExcessHorizontalSpace = true;
  93                 data.grabExcessVerticalSpace = true;
  94
  95                 browser.setLayoutData(data);
  96
  97
  98                 final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
  99                 data = new GridData();
 100                 data.horizontalAlignment = GridData.END;
 101                 progressBar.setLayoutData(data);
 102
 103
 104                 browser.addProgressListener(new ProgressListener() {
 105                         public void changed(ProgressEvent event) {
 106                                         if (event.total == 0) return;
 107                                         int ratio = event.current * 100 / event.total;
 108                                         progressBar.setSelection(ratio);
 109                         }
 110                         public void completed(ProgressEvent event) {
 111                                 progressBar.setSelection(0);
 112                         }
 113                 });
 114
 115                 shell.addControlListener(new ControlListener(){
 116
 117                         public void controlMoved(ControlEvent e) {
 118                                 // do nothing
 119                         }
 120
 121                         public void controlResized(ControlEvent e) {
 122                                 loadMap();
 123                         }
 124
 125                 });
 126
 127                 shell.open();
 128                 loadMap();
 129
 130                 Display display = parent.getDisplay();
 131                 while (!shell.isDisposed()) {
 132                         if (!display.readAndDispatch()) display.sleep();
 133                 }
 134                 return null;
 135         }
 136
 137         private void loadMap(){
 138                 browser.setUrl(getMapUrl());
 139         }
 140
 141         private String getMapUrl(){
 142                 // FIXME make these hardcoded parameters configurable via preferences
 143                 String url = "http://edit.csic.es/v1/areas.php";
 144                 Map<PresenceAbsenceTermBase<?>,Color> presenceAbsenceTermColors = null;
 145                 int width = calculateWidth();
 146                 int height = 0;
 147                 String bbox = "-180,-90,180,90";
 148                 String backLayer = null;
 149
 150                 String parameter = EditGeoService.getEditGeoServiceUrlParameterString(
 151                                 distributions,
 152                                 presenceAbsenceTermColors,
 153                                 width,
 154                                 height,
 155                                 bbox,
 156                                 backLayer);
 157
 158                 return url + "?" + parameter;
 159         }
 160
 161         /**
 162          * @return
 163          */
 164         private int calculateWidth(){
 165                 return shell.getSize().x - 10;
 166         }
 167 }