001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.preferences.imagery; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.io.IOException; 007import java.net.MalformedURLException; 008import java.net.URL; 009import java.util.List; 010 011import javax.swing.DefaultComboBoxModel; 012import javax.swing.JButton; 013import javax.swing.JCheckBox; 014import javax.swing.JComboBox; 015import javax.swing.JLabel; 016import javax.swing.JOptionPane; 017import javax.swing.JScrollPane; 018 019import org.openstreetmap.josm.data.imagery.ImageryInfo; 020import org.openstreetmap.josm.data.imagery.ImageryInfo.ImageryType; 021import org.openstreetmap.josm.gui.bbox.SlippyMapBBoxChooser; 022import org.openstreetmap.josm.gui.util.GuiHelper; 023import org.openstreetmap.josm.gui.widgets.JosmTextArea; 024import org.openstreetmap.josm.io.imagery.WMSImagery; 025import org.openstreetmap.josm.tools.GBC; 026import org.openstreetmap.josm.tools.Logging; 027import org.openstreetmap.josm.tools.Utils; 028 029/** 030 * An imagery panel used to add WMS imagery sources. 031 * @since 2599 032 */ 033public class AddWMSLayerPanel extends AddImageryPanel { 034 035 private final transient WMSImagery wms = new WMSImagery(); 036 private final JCheckBox endpoint = new JCheckBox(tr("Store WMS endpoint only, select layers at usage")); 037 private final transient WMSLayerTree tree = new WMSLayerTree(); 038 private final JComboBox<String> formats = new JComboBox<>(); 039 private final JLabel wmsInstruction; 040 private final JosmTextArea wmsUrl = new JosmTextArea(3, 40).transferFocusOnTab(); 041 private final JButton showBounds = new JButton(tr("Show bounds")); 042 043 /** 044 * Constructs a new {@code AddWMSLayerPanel}. 045 */ 046 public AddWMSLayerPanel() { 047 048 add(new JLabel(tr("1. Enter service URL")), GBC.eol()); 049 add(rawUrl, GBC.eol().fill()); 050 rawUrl.setLineWrap(true); 051 JButton getLayers = new JButton(tr("Get layers")); 052 add(getLayers, GBC.eop().fill()); 053 054 add(new JLabel(tr("2. Select layers")), GBC.eol()); 055 add(endpoint, GBC.eol().fill()); 056 add(new JScrollPane(tree.getLayerTree()), GBC.eol().fill().weight(1, 100)); 057 058 showBounds.setEnabled(false); 059 add(showBounds, GBC.eop().fill()); 060 061 add(new JLabel(tr("3. Select image format")), GBC.eol()); 062 add(formats, GBC.eol().fill()); 063 064 wmsInstruction = new JLabel(tr("4. Verify generated WMS URL")); 065 add(wmsInstruction, GBC.eol()); 066 wmsInstruction.setLabelFor(wmsUrl); 067 add(wmsUrl, GBC.eop().fill()); 068 wmsUrl.setLineWrap(true); 069 070 add(new JLabel(tr("5. Enter name for this layer")), GBC.eol()); 071 add(name, GBC.eop().fill()); 072 073 getLayers.addActionListener(e -> { 074 try { 075 wms.attemptGetCapabilities(rawUrl.getText()); 076 tree.updateTree(wms); 077 List<String> wmsFormats = wms.getFormats(); 078 formats.setModel(new DefaultComboBoxModel<>(wmsFormats.toArray(new String[0]))); 079 formats.setSelectedItem(wms.getPreferredFormats()); 080 } catch (MalformedURLException ex1) { 081 Logging.log(Logging.LEVEL_ERROR, ex1); 082 JOptionPane.showMessageDialog(getParent(), tr("Invalid service URL."), 083 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 084 } catch (IOException ex2) { 085 Logging.log(Logging.LEVEL_ERROR, ex2); 086 JOptionPane.showMessageDialog(getParent(), tr("Could not retrieve WMS layer list."), 087 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 088 } catch (WMSImagery.WMSGetCapabilitiesException ex3) { 089 String incomingData = ex3.getIncomingData() != null ? ex3.getIncomingData().trim() : ""; 090 String title = tr("WMS Error"); 091 StringBuilder message = new StringBuilder(tr("Could not parse WMS layer list.")); 092 Logging.log(Logging.LEVEL_ERROR, "Could not parse WMS layer list. Incoming data:\n"+incomingData, ex3); 093 if ((incomingData.startsWith("<html>") || incomingData.startsWith("<HTML>")) 094 && (incomingData.endsWith("</html>") || incomingData.endsWith("</HTML>"))) { 095 GuiHelper.notifyUserHtmlError(this, title, message.toString(), incomingData); 096 } else { 097 if (ex3.getMessage() != null) { 098 message.append('\n').append(ex3.getMessage()); 099 } 100 JOptionPane.showMessageDialog(getParent(), message.toString(), title, JOptionPane.ERROR_MESSAGE); 101 } 102 } 103 }); 104 105 endpoint.addItemListener(e -> { 106 tree.getLayerTree().setEnabled(!endpoint.isSelected()); 107 showBounds.setEnabled(!endpoint.isSelected()); 108 wmsInstruction.setEnabled(!endpoint.isSelected()); 109 formats.setEnabled(!endpoint.isSelected()); 110 wmsUrl.setEnabled(!endpoint.isSelected()); 111 if (endpoint.isSelected()) { 112 URL url = wms.getServiceUrl(); 113 if (url != null) { 114 name.setText(url.getHost()); 115 } 116 } else { 117 onLayerSelectionChanged(); 118 } 119 }); 120 121 tree.getLayerTree().addPropertyChangeListener("selectedLayers", evt -> onLayerSelectionChanged()); 122 123 formats.addActionListener(e -> onLayerSelectionChanged()); 124 125 showBounds.addActionListener(e -> { 126 if (tree.getSelectedLayers().get(0).bounds != null) { 127 SlippyMapBBoxChooser mapPanel = new SlippyMapBBoxChooser(); 128 mapPanel.setBoundingBox(tree.getSelectedLayers().get(0).bounds); 129 JOptionPane.showMessageDialog(null, mapPanel, tr("Show Bounds"), JOptionPane.PLAIN_MESSAGE); 130 } else { 131 JOptionPane.showMessageDialog(null, tr("No bounding box was found for this layer."), 132 tr("WMS Error"), JOptionPane.ERROR_MESSAGE); 133 } 134 }); 135 136 registerValidableComponent(endpoint); 137 registerValidableComponent(rawUrl); 138 registerValidableComponent(wmsUrl); 139 } 140 141 protected final void onLayerSelectionChanged() { 142 if (wms.getServiceUrl() != null) { 143 wmsUrl.setText(wms.buildGetMapUrl(tree.getSelectedLayers(), (String) formats.getSelectedItem())); 144 name.setText(wms.getServiceUrl().getHost() + ": " + Utils.join(", ", tree.getSelectedLayers())); 145 } 146 showBounds.setEnabled(tree.getSelectedLayers().size() == 1); 147 } 148 149 @Override 150 public ImageryInfo getImageryInfo() { 151 final ImageryInfo info; 152 if (endpoint.isSelected()) { 153 info = new ImageryInfo(getImageryName(), getImageryRawUrl()); 154 info.setImageryType(ImageryInfo.ImageryType.WMS_ENDPOINT); 155 } else { 156 info = wms.toImageryInfo(getImageryName(), tree.getSelectedLayers()); 157 info.setUrl(getWmsUrl()); 158 info.setImageryType(ImageryType.WMS); 159 } 160 return info; 161 } 162 163 protected final String getWmsUrl() { 164 return sanitize(wmsUrl.getText(), ImageryInfo.ImageryType.WMS); 165 } 166 167 @Override 168 protected boolean isImageryValid() { 169 if (getImageryName().isEmpty()) { 170 return false; 171 } 172 if (endpoint.isSelected()) { 173 return !getImageryRawUrl().isEmpty(); 174 } else { 175 return !getWmsUrl().isEmpty(); 176 } 177 } 178}