| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.AWTEvent;
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| 7 | import java.awt.Cursor;
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| 8 | import java.awt.GridBagLayout;
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| 9 | import java.awt.Insets;
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| 10 | import java.awt.Toolkit;
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| 11 | import java.awt.event.AWTEventListener;
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| 12 | import java.awt.event.ActionEvent;
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| 13 | import java.awt.event.FocusEvent;
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| 14 | import java.awt.event.FocusListener;
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| 15 | import java.awt.event.KeyEvent;
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| 16 | import java.awt.event.MouseEvent;
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| 17 | import java.awt.event.MouseListener;
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| 18 | import java.awt.event.MouseMotionListener;
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| 19 |
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| 20 | import javax.swing.JLabel;
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| 21 | import javax.swing.JPanel;
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| 22 | import javax.swing.JTextField;
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| 23 |
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| 24 | import org.openstreetmap.josm.Main;
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| 25 | import org.openstreetmap.josm.actions.mapmode.MapMode;
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| 26 | import org.openstreetmap.josm.data.coor.EastNorth;
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| 27 | import org.openstreetmap.josm.data.imagery.OffsetBookmark;
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| 28 | import org.openstreetmap.josm.gui.ExtendedDialog;
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| 29 | import org.openstreetmap.josm.gui.JMultilineLabel;
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| 30 | import org.openstreetmap.josm.gui.layer.ImageryLayer;
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| 31 | import org.openstreetmap.josm.tools.GBC;
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| 32 | import org.openstreetmap.josm.tools.ImageProvider;
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| 33 |
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| 34 |
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| 35 | public class ImageryAdjustAction extends MapMode implements MouseListener, MouseMotionListener, AWTEventListener{
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| 36 | static ImageryOffsetDialog offsetDialog;
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| 37 | static Cursor cursor = ImageProvider.getCursor("normal", "move");
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| 38 |
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| 39 | double oldDx, oldDy;
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| 40 | boolean mouseDown;
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| 41 | EastNorth prevEastNorth;
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| 42 | private ImageryLayer layer;
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| 43 | private MapMode oldMapMode;
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| 44 |
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| 45 | public ImageryAdjustAction(ImageryLayer layer) {
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| 46 | super(tr("New offset"), "adjustimg",
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| 47 | tr("Adjust the position of this imagery layer"), Main.map,
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| 48 | cursor);
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| 49 | putValue("toolbar", false);
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| 50 | this.layer = layer;
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| 51 | }
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| 52 |
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| 53 | @Override public void enterMode() {
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| 54 | super.enterMode();
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| 55 | if (layer == null)
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| 56 | return;
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| 57 | if (!layer.isVisible()) {
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| 58 | layer.setVisible(true);
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| 59 | }
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| 60 | Main.map.mapView.addMouseListener(this);
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| 61 | Main.map.mapView.addMouseMotionListener(this);
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| 62 | oldDx = layer.getDx();
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| 63 | oldDy = layer.getDy();
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| 64 | try {
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| 65 | Toolkit.getDefaultToolkit().addAWTEventListener(this, AWTEvent.KEY_EVENT_MASK);
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| 66 | } catch (SecurityException ex) {
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| 67 | }
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| 68 | offsetDialog = new ImageryOffsetDialog();
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| 69 | offsetDialog.setVisible(true);
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| 70 | }
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| 71 |
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| 72 | @Override public void exitMode() {
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| 73 | super.exitMode();
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| 74 | if (offsetDialog != null) {
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| 75 | layer.setOffset(oldDx, oldDy);
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| 76 | offsetDialog.setVisible(false);
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| 77 | offsetDialog = null;
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| 78 | }
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| 79 | try {
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| 80 | Toolkit.getDefaultToolkit().removeAWTEventListener(this);
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| 81 | } catch (SecurityException ex) {
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| 82 | }
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| 83 | Main.map.mapView.removeMouseListener(this);
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| 84 | Main.map.mapView.removeMouseMotionListener(this);
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| 85 | }
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| 86 |
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| 87 | @Override
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| 88 | public void eventDispatched(AWTEvent event) {
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| 89 | if (!(event instanceof KeyEvent)) return;
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| 90 | if (event.getID() != KeyEvent.KEY_PRESSED) return;
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| 91 | if (layer == null) return;
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| 92 | if (offsetDialog != null && offsetDialog.areFieldsInFocus()) return;
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| 93 | KeyEvent kev = (KeyEvent)event;
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| 94 | double dx = 0, dy = 0;
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| 95 | switch (kev.getKeyCode()) {
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| 96 | case KeyEvent.VK_UP : dy = +1; break;
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| 97 | case KeyEvent.VK_DOWN : dy = -1; break;
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| 98 | case KeyEvent.VK_LEFT : dx = -1; break;
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| 99 | case KeyEvent.VK_RIGHT : dx = +1; break;
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| 100 | }
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| 101 | if (dx != 0 || dy != 0) {
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| 102 | double ppd = layer.getPPD();
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| 103 | layer.displace(dx / ppd, dy / ppd);
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| 104 | if (offsetDialog != null) {
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| 105 | offsetDialog.updateOffset();
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| 106 | }
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| 107 | kev.consume();
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| 108 | Main.map.repaint();
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| 109 | }
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| 110 | }
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| 111 |
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| 112 | @Override public void mousePressed(MouseEvent e) {
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| 113 | if (e.getButton() != MouseEvent.BUTTON1)
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| 114 | return;
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| 115 |
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| 116 | if (layer.isVisible()) {
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| 117 | prevEastNorth=Main.map.mapView.getEastNorth(e.getX(),e.getY());
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| 118 | Main.map.mapView.setNewCursor(Cursor.MOVE_CURSOR, this);
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | @Override public void mouseDragged(MouseEvent e) {
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| 123 | if (layer == null || prevEastNorth == null) return;
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| 124 | EastNorth eastNorth =
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| 125 | Main.map.mapView.getEastNorth(e.getX(),e.getY());
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| 126 | double dx = layer.getDx()+eastNorth.east()-prevEastNorth.east();
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| 127 | double dy = layer.getDy()+eastNorth.north()-prevEastNorth.north();
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| 128 | layer.setOffset(dx, dy);
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| 129 | if (offsetDialog != null) {
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| 130 | offsetDialog.updateOffset();
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| 131 | }
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| 132 | Main.map.repaint();
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| 133 | prevEastNorth = eastNorth;
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| 134 | }
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| 135 |
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| 136 | @Override public void mouseReleased(MouseEvent e) {
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| 137 | Main.map.mapView.repaint();
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| 138 | Main.map.mapView.resetCursor(this);
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| 139 | prevEastNorth = null;
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| 140 | }
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| 141 |
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| 142 | @Override
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| 143 | public void actionPerformed(ActionEvent e) {
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| 144 | if (offsetDialog != null || layer == null || Main.map == null)
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| 145 | return;
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| 146 | oldMapMode = Main.map.mapMode;
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| 147 | layer.enableOffsetServer(false);
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| 148 | super.actionPerformed(e);
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| 149 | }
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| 150 |
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| 151 | class ImageryOffsetDialog extends ExtendedDialog implements FocusListener {
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| 152 | public final JTextField tOffset = new JTextField();
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| 153 | JTextField tBookmarkName = new JTextField();
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| 154 | private boolean ignoreListener;
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| 155 | public ImageryOffsetDialog() {
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| 156 | super(Main.parent,
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| 157 | tr("Adjust imagery offset"),
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| 158 | new String[] { tr("OK"),tr("Cancel") },
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| 159 | false);
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| 160 | setButtonIcons(new String[] { "ok", "cancel" });
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| 161 | contentInsets = new Insets(10, 15, 5, 15);
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| 162 | JPanel pnl = new JPanel(new GridBagLayout());
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| 163 | pnl.add(new JMultilineLabel(tr("Use arrow keys or drag the imagery layer with mouse to adjust the imagery offset.\n" +
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| 164 | "You can also enter east and north offset in the {0} coordinates.\n" +
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| 165 | "If you want to save the offset as bookmark, enter the bookmark name below",Main.getProjection().toString())), GBC.eop());
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| 166 | pnl.add(new JLabel(tr("Offset: ")),GBC.std());
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| 167 | pnl.add(tOffset,GBC.eol().fill(GBC.HORIZONTAL).insets(0,0,0,5));
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| 168 | pnl.add(new JLabel(tr("Bookmark name: ")),GBC.std());
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| 169 | pnl.add(tBookmarkName,GBC.eol().fill(GBC.HORIZONTAL));
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| 170 | tOffset.setColumns(16);
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| 171 | updateOffsetIntl();
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| 172 | tOffset.addFocusListener(this);
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| 173 | setContent(pnl);
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| 174 | setupDialog();
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| 175 | }
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| 176 |
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| 177 | public boolean areFieldsInFocus() {
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| 178 | return tOffset.hasFocus();
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| 179 | }
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| 180 |
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| 181 | @Override
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| 182 | public void focusGained(FocusEvent e) {
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| 183 | }
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| 184 |
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| 185 | @Override
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| 186 | public void focusLost(FocusEvent e) {
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| 187 | if (ignoreListener) return;
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| 188 | String ostr = tOffset.getText();
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| 189 | int semicolon = ostr.indexOf(';');
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| 190 | if( semicolon >= 0 && semicolon + 1 < ostr.length() ) {
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| 191 | try {
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| 192 | // here we assume that Double.parseDouble() needs '.' as a decimal separator
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| 193 | String easting = ostr.substring(0, semicolon).trim().replace(',', '.');
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| 194 | String northing = ostr.substring(semicolon + 1).trim().replace(',', '.');
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| 195 | double dx = Double.parseDouble(easting);
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| 196 | double dy = Double.parseDouble(northing);
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| 197 | layer.setOffset(dx, dy);
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| 198 | } catch (NumberFormatException nfe) {
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| 199 | // we repaint offset numbers in any case
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| 200 | }
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| 201 | }
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| 202 | updateOffsetIntl();
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| 203 | if (Main.map != null) {
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| 204 | Main.map.repaint();
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| 205 | }
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| 206 | }
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| 207 |
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| 208 | public void updateOffset() {
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| 209 | ignoreListener = true;
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| 210 | updateOffsetIntl();
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| 211 | ignoreListener = false;
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| 212 | }
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| 213 |
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| 214 | public void updateOffsetIntl() {
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| 215 | // Support projections with very small numbers (e.g. 4326)
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| 216 | int precision = Main.getProjection().getDefaultZoomInPPD() >= 1.0 ? 2 : 7;
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| 217 | // US locale to force decimal separator to be '.'
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| 218 | tOffset.setText(new java.util.Formatter(java.util.Locale.US).format(
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| 219 | "%1." + precision + "f; %1." + precision + "f",
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| 220 | layer.getDx(), layer.getDy()).toString());
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| 221 | }
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| 222 |
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| 223 | private boolean confirmOverwriteBookmark() {
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| 224 | ExtendedDialog dialog = new ExtendedDialog(
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| 225 | Main.parent,
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| 226 | tr("Overwrite"),
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| 227 | new String[] {tr("Overwrite"), tr("Cancel")}
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| 228 | ) {{
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| 229 | contentInsets = new Insets(10, 15, 10, 15);
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| 230 | }};
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| 231 | dialog.setContent(tr("Offset bookmark already exists. Overwrite?"));
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| 232 | dialog.setButtonIcons(new String[] {"ok.png", "cancel.png"});
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| 233 | dialog.setupDialog();
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| 234 | dialog.setVisible(true);
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| 235 | return dialog.getValue() == 1;
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| 236 | }
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| 237 |
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| 238 | @Override
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| 239 | protected void buttonAction(int buttonIndex, ActionEvent evt) {
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| 240 | if (buttonIndex == 0 && tBookmarkName.getText() != null && !"".equals(tBookmarkName.getText()) &&
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| 241 | OffsetBookmark.getBookmarkByName(layer, tBookmarkName.getText()) != null) {
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| 242 | if (!confirmOverwriteBookmark()) return;
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| 243 | }
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| 244 | super.buttonAction(buttonIndex, evt);
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| 245 | }
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| 246 |
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| 247 | @Override
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| 248 | public void setVisible(boolean visible) {
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| 249 | super.setVisible(visible);
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| 250 | if (visible) return;
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| 251 | offsetDialog = null;
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| 252 | if (getValue() != 1) {
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| 253 | layer.setOffset(oldDx, oldDy);
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| 254 | } else if (tBookmarkName.getText() != null && !"".equals(tBookmarkName.getText())) {
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| 255 | OffsetBookmark.bookmarkOffset(tBookmarkName.getText(), layer);
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| 256 | }
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| 257 | Main.main.menu.imageryMenu.refreshOffsetMenu();
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| 258 | if (Main.map == null) return;
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| 259 | if (oldMapMode != null) {
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| 260 | Main.map.selectMapMode(oldMapMode);
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| 261 | oldMapMode = null;
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| 262 | } else {
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| 263 | Main.map.selectSelectTool(false);
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| 264 | }
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| 265 | }
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| 266 | }
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| 267 | }
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