| 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.Component;
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| 7 | import java.awt.GraphicsEnvironment;
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| 8 | import java.awt.GridBagLayout;
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| 9 | import java.util.List;
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| 10 |
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| 11 | import javax.swing.DefaultListCellRenderer;
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| 12 | import javax.swing.Icon;
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| 13 | import javax.swing.JLabel;
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| 14 | import javax.swing.JList;
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| 15 | import javax.swing.JOptionPane;
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| 16 | import javax.swing.JPanel;
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| 17 |
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| 18 | import org.openstreetmap.josm.Main;
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| 19 | import org.openstreetmap.josm.gui.ExtendedDialog;
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| 20 | import org.openstreetmap.josm.gui.layer.Layer;
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| 21 | import org.openstreetmap.josm.gui.widgets.JosmComboBox;
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| 22 | import org.openstreetmap.josm.tools.GBC;
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| 23 | import org.openstreetmap.josm.tools.Shortcut;
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| 24 | import org.openstreetmap.josm.tools.Utils;
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| 25 |
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| 26 | public abstract class AbstractMergeAction extends JosmAction {
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| 27 |
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| 28 | /**
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| 29 | * the list cell renderer used to render layer list entries
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| 30 | *
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| 31 | */
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| 32 | public static class LayerListCellRenderer extends DefaultListCellRenderer {
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| 33 |
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| 34 | @Override
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| 35 | public Component getListCellRendererComponent(JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
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| 36 | Layer layer = (Layer) value;
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| 37 | JLabel label = (JLabel) super.getListCellRendererComponent(list, layer.getName(), index, isSelected, cellHasFocus);
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| 38 | Icon icon = layer.getIcon();
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| 39 | label.setIcon(icon);
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| 40 | label.setToolTipText(layer.getToolTipText());
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| 41 | return label;
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| 42 | }
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| 43 | }
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| 44 |
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| 45 | /**
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| 46 | * Constructs a new {@code AbstractMergeAction}.
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| 47 | */
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| 48 | public AbstractMergeAction() {
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| 49 | super();
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| 50 | }
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| 51 |
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| 52 | public AbstractMergeAction(String name, String iconName, String tooltip, Shortcut shortcut, boolean register) {
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| 53 | super(name, iconName, tooltip, shortcut, register);
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| 54 | }
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| 55 |
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| 56 | public AbstractMergeAction(String name, String iconName, String tooltip, Shortcut shortcut,
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| 57 | boolean register, String toolbar, boolean installAdapters) {
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| 58 | super(name, iconName, tooltip, shortcut, register, toolbar, installAdapters);
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| 59 | }
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| 60 |
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| 61 | protected static Layer askTargetLayer(List<Layer> targetLayers) {
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| 62 | return askTargetLayer(targetLayers.toArray(new Layer[targetLayers.size()]),
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| 63 | tr("Please select the target layer."),
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| 64 | tr("Select target layer"),
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| 65 | tr("Merge"), "dialogs/mergedown");
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| 66 | }
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| 67 |
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| 68 | /**
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| 69 | * Asks a target layer.
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| 70 | * @param <T> type of layer
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| 71 | * @param targetLayers array of proposed target layers
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| 72 | * @param label label displayed in dialog
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| 73 | * @param title title of dialog
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| 74 | * @param buttonText text of button used to select target layer
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| 75 | * @param buttonIcon icon name of button used to select target layer
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| 76 | * @return choosen target layer
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| 77 | */
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| 78 | @SuppressWarnings("unchecked")
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| 79 | public static <T extends Layer> T askTargetLayer(T[] targetLayers, String label, String title, String buttonText, String buttonIcon) {
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| 80 | JosmComboBox<T> layerList = new JosmComboBox<>(targetLayers);
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| 81 | layerList.setRenderer(new LayerListCellRenderer());
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| 82 | layerList.setSelectedIndex(0);
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| 83 |
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| 84 | JPanel pnl = new JPanel(new GridBagLayout());
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| 85 | pnl.add(new JLabel(label), GBC.eol());
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| 86 | pnl.add(layerList, GBC.eol());
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| 87 | if (GraphicsEnvironment.isHeadless()) {
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| 88 | // return first layer in headless mode, for unit tests
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| 89 | return targetLayers[0];
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| 90 | }
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| 91 | ExtendedDialog ed = new ExtendedDialog(Main.parent, title, new String[] {buttonText, tr("Cancel")});
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| 92 | ed.setButtonIcons(new String[] {buttonIcon, "cancel"});
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| 93 | ed.setContent(pnl);
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| 94 | ed.showDialog();
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| 95 | if (ed.getValue() != 1) {
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| 96 | return null;
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| 97 | }
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| 98 | return (T) layerList.getSelectedItem();
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| 99 | }
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| 100 |
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| 101 | protected void warnNoTargetLayersForSourceLayer(Layer sourceLayer) {
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| 102 | JOptionPane.showMessageDialog(Main.parent,
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| 103 | tr("<html>There are no layers the source layer<br>''{0}''<br>could be merged to.</html>",
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| 104 | Utils.escapeReservedCharactersHTML(sourceLayer.getName())),
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| 105 | tr("No target layers"), JOptionPane.WARNING_MESSAGE);
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| 106 | }
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| 107 | }
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