1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.mappaint;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.trn;
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5 |
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6 | import java.awt.Color;
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7 | import java.io.File;
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8 | import java.io.IOException;
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9 | import java.io.InputStream;
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10 | import java.util.ArrayList;
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11 | import java.util.Collection;
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12 | import java.util.Collections;
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13 | import java.util.List;
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14 |
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15 | import javax.swing.ImageIcon;
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16 |
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17 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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18 | import org.openstreetmap.josm.gui.mappaint.MapPaintStyles.IconReference;
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19 | import org.openstreetmap.josm.gui.preferences.SourceEntry;
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20 | import org.openstreetmap.josm.tools.ImageProvider;
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21 | import org.openstreetmap.josm.tools.Utils;
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22 |
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23 | abstract public class StyleSource extends SourceEntry {
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24 |
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25 | private List<Throwable> errors = new ArrayList<Throwable>();
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26 | public File zipIcons;
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27 |
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28 | private ImageIcon imageIcon;
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29 | private long lastMTime = 0L;
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30 |
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31 | /******
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32 | * The following fields is additional information found in the header
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33 | * of the source file.
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34 | */
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35 |
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36 | public String icon;
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37 |
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38 | public StyleSource(String url, String name, String title) {
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39 | super(url, name, title, true);
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40 | }
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41 |
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42 | public StyleSource(SourceEntry entry) {
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43 | super(entry);
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44 | }
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45 |
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46 | abstract public void apply(MultiCascade mc, OsmPrimitive osm, double scale, OsmPrimitive multipolyOuterWay, boolean pretendWayIsClosed);
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47 |
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48 | abstract public void loadStyleSource();
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49 |
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50 | /**
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51 | * Returns a new {@code InputStream} to the style source. When finished, {@link #closeSourceInputStream(InputStream)} must be called.
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52 | * @return A new {@code InputStream} to the style source that must be closed by the caller
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53 | * @throws IOException if any I/O error occurs.
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54 | * @see #closeSourceInputStream(InputStream)
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55 | */
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56 | abstract public InputStream getSourceInputStream() throws IOException;
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57 |
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58 | /**
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59 | * Closes the source input stream previously returned by {@link #getSourceInputStream()} and other linked resources, if applicable.
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60 | * @param is The source input stream that must be closed
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61 | * @since 6289
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62 | * @see #getSourceInputStream()
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63 | */
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64 | public void closeSourceInputStream(InputStream is) {
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65 | Utils.close(is);
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66 | }
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67 |
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68 | public void logError(Throwable e) {
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69 | errors.add(e);
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70 | }
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71 |
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72 | public Collection<Throwable> getErrors() {
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73 | return Collections.unmodifiableCollection(errors);
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74 | }
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75 |
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76 | protected void init() {
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77 | errors.clear();
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78 | imageIcon = null;
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79 | icon = null;
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80 | }
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81 |
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82 | private static ImageIcon defaultIcon;
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83 |
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84 | private static ImageIcon getDefaultIcon() {
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85 | if (defaultIcon == null) {
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86 | defaultIcon = ImageProvider.get("dialogs/mappaint", "pencil");
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87 | }
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88 | return defaultIcon;
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89 | }
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90 |
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91 | protected ImageIcon getSourceIcon() {
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92 | if (imageIcon == null) {
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93 | if (icon != null) {
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94 | imageIcon = MapPaintStyles.getIcon(new IconReference(icon, this), -1, -1);
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95 | }
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96 | if (imageIcon == null) {
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97 | imageIcon = getDefaultIcon();
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98 | }
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99 | }
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100 | return imageIcon;
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101 | }
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102 |
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103 | final public ImageIcon getIcon() {
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104 | if (getErrors().isEmpty())
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105 | return getSourceIcon();
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106 | else
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107 | return ImageProvider.overlay(getSourceIcon(),
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108 | ImageProvider.get("dialogs/mappaint/error_small"),
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109 | ImageProvider.OverlayPosition.SOUTHEAST);
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110 | }
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111 |
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112 | public String getToolTipText() {
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113 | if (errors.isEmpty())
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114 | return null;
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115 | else
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116 | return trn("There was an error when loading this style. Select ''Info'' from the right click menu for details.",
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117 | "There were {0} errors when loading this style. Select ''Info'' from the right click menu for details.",
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118 | errors.size(), errors.size());
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119 | }
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120 |
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121 | public Color getBackgroundColorOverride() {
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122 | return null;
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123 | }
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124 |
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125 | public long getLastMTime() {
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126 | return lastMTime;
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127 | }
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128 |
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129 | public void setLastMTime(long lastMTime) {
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130 | this.lastMTime = lastMTime;
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131 | }
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132 |
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133 |
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134 | }
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