source: josm/trunk/src/org/openstreetmap/josm/gui/datatransfer/importers/TextTagPaster.java

Last change on this file was 14153, checked in by Don-vip, 6 years ago

see #15229 - deprecate Main.parent and Main itself
File size: 5.3 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.datatransfer.importers;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.tr;
6
7import java.awt.GridBagLayout;
8import java.awt.datatransfer.DataFlavor;
9import java.awt.datatransfer.UnsupportedFlavorException;
10import java.io.IOException;
11import java.util.Map;
12
13import javax.swing.JLabel;
14import javax.swing.JOptionPane;
15import javax.swing.JPanel;
16import javax.swing.TransferHandler.TransferSupport;
17
18import org.openstreetmap.josm.gui.ExtendedDialog;
19import org.openstreetmap.josm.gui.MainApplication;
20import org.openstreetmap.josm.gui.datatransfer.ClipboardUtils;
21import org.openstreetmap.josm.gui.help.HelpUtil;
22import org.openstreetmap.josm.gui.widgets.UrlLabel;
23import org.openstreetmap.josm.io.XmlWriter;
24import org.openstreetmap.josm.tools.GBC;
25import org.openstreetmap.josm.tools.LanguageInfo.LocaleType;
26import org.openstreetmap.josm.tools.Logging;
27import org.openstreetmap.josm.tools.TextTagParser;
28import org.openstreetmap.josm.tools.TextTagParser.TagWarningCallback;
29
30/**
31 * This transfer support allows us to import tags from the text that was copied to the clipboard.
32 * @author Michael Zangl
33 * @since 10604
34 */
35public final class TextTagPaster extends AbstractTagPaster {
36 private static final String HELP = ht("/Action/PasteTags");
37
38 /**
39 * Create a new {@link TextTagPaster}
40 */
41 public TextTagPaster() {
42 super(DataFlavor.stringFlavor);
43 }
44
45 @Override
46 public boolean supports(TransferSupport support) {
47 try {
48 return super.supports(support) && containsValidTags(support);
49 } catch (UnsupportedFlavorException | IOException e) {
50 Logging.warn(e);
51 return false;
52 }
53 }
54
55 private boolean containsValidTags(TransferSupport support) throws UnsupportedFlavorException, IOException {
56 return !getTagsImpl(support).isEmpty();
57 }
58
59 @Override
60 protected Map<String, String> getTags(TransferSupport support) throws UnsupportedFlavorException, IOException {
61 Map<String, String> tags = getTagsImpl(support);
62 if (tags.isEmpty()) {
63 showBadBufferMessage(HELP);
64 throw new IOException("Invalid tags to paste.");
65 }
66 if (!TextTagParser.validateTags(tags, TextTagPaster::warning)) {
67 throw new IOException("Tags to paste are not valid.");
68 }
69 return tags;
70 }
71
72 private Map<String, String> getTagsImpl(TransferSupport support) throws UnsupportedFlavorException, IOException {
73 return TextTagParser.readTagsFromText((String) support.getTransferable().getTransferData(df));
74 }
75
76 /**
77 * Default {@link TagWarningCallback} implementation.
78 * Displays a warning about a problematic tag and ask user what to do about it.
79 * @param text Message to display
80 * @param data Tag key and/or value
81 * @param code to use with {@code ExtendedDialog#toggleEnable(String)}
82 * @return 1 to validate and display next warnings if any, 2 to cancel operation, 3 to clear buffer, 4 to paste tags
83 * @since 12683
84 */
85 public static int warning(String text, String data, String code) {
86 ExtendedDialog ed = new ExtendedDialog(
87 MainApplication.getMainFrame(),
88 tr("Do you want to paste these tags?"),
89 tr("Ok"), tr("Cancel"), tr("Clear buffer"), tr("Ignore warnings"));
90 ed.setButtonIcons("ok", "cancel", "dialogs/delete", "pastetags");
91 ed.setContent("<html><b>"+text + "</b><br/><br/><div width=\"300px\">"+XmlWriter.encode(data, true)+"</html>");
92 ed.setDefaultButton(2);
93 ed.setCancelButton(2);
94 ed.setIcon(JOptionPane.WARNING_MESSAGE);
95 ed.toggleEnable(code);
96 ed.showDialog();
97 int r = ed.getValue();
98 if (r == 0) r = 2;
99 // clean clipboard if user asked
100 if (r == 3) ClipboardUtils.copyString("");
101 return r;
102 }
103
104 /**
105 * Shows message that the buffer can not be pasted, allowing user to clean the buffer
106 * @param helpTopic the help topic of the parent action
107 * TODO: Replace by proper HelpAwareOptionPane instead of self-made help link
108 */
109 public static void showBadBufferMessage(String helpTopic) {
110 String msg = tr("<html><p> Sorry, it is impossible to paste tags from buffer. It does not contain any JOSM object"
111 + " or suitable text. </p></html>");
112 JPanel p = new JPanel(new GridBagLayout());
113 p.add(new JLabel(msg), GBC.eop());
114 String helpUrl = HelpUtil.getHelpTopicUrl(HelpUtil.buildAbsoluteHelpTopic(helpTopic, LocaleType.DEFAULT));
115 if (helpUrl != null) {
116 p.add(new UrlLabel(helpUrl), GBC.eop());
117 }
118
119 ExtendedDialog ed = new ExtendedDialog(
120 MainApplication.getMainFrame(),
121 tr("Warning"),
122 tr("Ok"), tr("Clear buffer"))
123 .setButtonIcons("ok", "dialogs/delete")
124 .setContent(p)
125 .setDefaultButton(1)
126 .setCancelButton(1)
127 .setIcon(JOptionPane.WARNING_MESSAGE)
128 .toggleEnable("tags.paste.cleanbadbuffer");
129
130 ed.showDialog();
131
132 // clean clipboard if user asked
133 if (ed.getValue() == 2) ClipboardUtils.copyString("");
134 }
135}
Note: See TracBrowser for help on using the repository browser.