1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.gui.dialogs.layer;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.awt.Component;
|
---|
7 | import java.awt.event.ActionEvent;
|
---|
8 | import java.util.List;
|
---|
9 |
|
---|
10 | import javax.swing.AbstractAction;
|
---|
11 | import javax.swing.JMenuItem;
|
---|
12 |
|
---|
13 | import org.openstreetmap.josm.actions.MergeLayerAction;
|
---|
14 | import org.openstreetmap.josm.gui.MainApplication;
|
---|
15 | import org.openstreetmap.josm.gui.dialogs.IEnabledStateUpdating;
|
---|
16 | import org.openstreetmap.josm.gui.dialogs.LayerListDialog.LayerListModel;
|
---|
17 | import org.openstreetmap.josm.gui.help.HelpUtil;
|
---|
18 | import org.openstreetmap.josm.gui.layer.Layer;
|
---|
19 | import org.openstreetmap.josm.gui.layer.Layer.LayerAction;
|
---|
20 | import org.openstreetmap.josm.tools.CheckParameterUtil;
|
---|
21 | import org.openstreetmap.josm.tools.ImageProvider;
|
---|
22 |
|
---|
23 | /**
|
---|
24 | * The action to merge the currently selected layer into another layer.
|
---|
25 | */
|
---|
26 | public final class MergeAction extends AbstractAction implements IEnabledStateUpdating, LayerAction, Layer.MultiLayerAction {
|
---|
27 | private transient Layer layer;
|
---|
28 | private transient List<Layer> layers;
|
---|
29 | private final LayerListModel model;
|
---|
30 |
|
---|
31 | /**
|
---|
32 | * Constructs a new {@code MergeAction}.
|
---|
33 | * @param layer the layer
|
---|
34 | * @param model layer list model
|
---|
35 | * @throws IllegalArgumentException if {@code layer} is null
|
---|
36 | */
|
---|
37 | public MergeAction(Layer layer, LayerListModel model) {
|
---|
38 | this(layer, null, model);
|
---|
39 | CheckParameterUtil.ensureParameterNotNull(layer, "layer");
|
---|
40 | }
|
---|
41 |
|
---|
42 | /**
|
---|
43 | * Constructs a new {@code MergeAction}.
|
---|
44 | * @param layers the layer list
|
---|
45 | * @param model layer list model
|
---|
46 | * @throws IllegalArgumentException if {@code layers} is null
|
---|
47 | */
|
---|
48 | public MergeAction(List<Layer> layers, LayerListModel model) {
|
---|
49 | this(null, layers, model);
|
---|
50 | CheckParameterUtil.ensureParameterNotNull(layers, "layers");
|
---|
51 | }
|
---|
52 |
|
---|
53 | /**
|
---|
54 | * Constructs a new {@code MergeAction}.
|
---|
55 | * @param layer the layer (null if layer list if specified)
|
---|
56 | * @param layers the layer list (null if a single layer is specified)
|
---|
57 | * @param model layer list model
|
---|
58 | */
|
---|
59 | private MergeAction(Layer layer, List<Layer> layers, LayerListModel model) {
|
---|
60 | this.layer = layer;
|
---|
61 | this.layers = layers;
|
---|
62 | this.model = model;
|
---|
63 | putValue(NAME, tr("Merge"));
|
---|
64 | new ImageProvider("dialogs", "mergedown").getResource().attachImageIcon(this, true);
|
---|
65 | putValue(SHORT_DESCRIPTION, tr("Merge this layer into another layer"));
|
---|
66 | putValue("help", HelpUtil.ht("/Dialog/LayerList#MergeLayer"));
|
---|
67 | updateEnabledState();
|
---|
68 | }
|
---|
69 |
|
---|
70 | @Override
|
---|
71 | public void actionPerformed(ActionEvent e) {
|
---|
72 | MergeLayerAction mergeLayerAction = MainApplication.getMenu().merge;
|
---|
73 | if (layer != null) {
|
---|
74 | mergeLayerAction.merge(layer);
|
---|
75 | } else if (layers != null) {
|
---|
76 | mergeLayerAction.merge(layers);
|
---|
77 | } else {
|
---|
78 | if (model.getSelectedLayers().size() == 1) {
|
---|
79 | Layer selectedLayer = model.getSelectedLayers().get(0);
|
---|
80 | mergeLayerAction.merge(selectedLayer);
|
---|
81 | } else {
|
---|
82 | mergeLayerAction.merge(model.getSelectedLayers());
|
---|
83 | }
|
---|
84 | }
|
---|
85 | }
|
---|
86 |
|
---|
87 | @Override
|
---|
88 | public void updateEnabledState() {
|
---|
89 | if (layer == null && layers == null) {
|
---|
90 | if (model.getSelectedLayers().isEmpty()) {
|
---|
91 | setEnabled(false);
|
---|
92 | } else if (model.getSelectedLayers().size() > 1) {
|
---|
93 | setEnabled(supportLayers(model.getSelectedLayers()));
|
---|
94 | } else {
|
---|
95 | Layer selectedLayer = model.getSelectedLayers().get(0);
|
---|
96 | List<Layer> targets = model.getPossibleMergeTargets(selectedLayer);
|
---|
97 | setEnabled(!targets.isEmpty());
|
---|
98 | }
|
---|
99 | } else if (layer != null) {
|
---|
100 | List<Layer> targets = model.getPossibleMergeTargets(layer);
|
---|
101 | setEnabled(!targets.isEmpty());
|
---|
102 | } else {
|
---|
103 | setEnabled(supportLayers(layers));
|
---|
104 | }
|
---|
105 | }
|
---|
106 |
|
---|
107 | @Override
|
---|
108 | public boolean supportLayers(List<Layer> layers) {
|
---|
109 | if (layers.isEmpty()) {
|
---|
110 | return false;
|
---|
111 | } else {
|
---|
112 | final Layer firstLayer = layers.get(0);
|
---|
113 | final List<Layer> remainingLayers = layers.subList(1, layers.size());
|
---|
114 | return model.getPossibleMergeTargets(firstLayer).containsAll(remainingLayers);
|
---|
115 | }
|
---|
116 | }
|
---|
117 |
|
---|
118 | @Override
|
---|
119 | public Component createMenuComponent() {
|
---|
120 | return new JMenuItem(this);
|
---|
121 | }
|
---|
122 |
|
---|
123 | @Override
|
---|
124 | public MergeAction getMultiLayerAction(List<Layer> layers) {
|
---|
125 | return new MergeAction(layers, model);
|
---|
126 | }
|
---|
127 | }
|
---|