1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui;
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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.Dimension;
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8 | import java.awt.Frame;
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9 | import java.awt.GridBagConstraints;
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10 | import java.awt.GridBagLayout;
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11 | import java.awt.Insets;
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12 | import java.awt.event.ActionEvent;
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13 | import java.awt.event.KeyEvent;
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14 | import java.util.ArrayList;
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15 | import java.util.Arrays;
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16 | import java.util.Collections;
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17 | import java.util.HashSet;
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18 | import java.util.List;
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19 | import java.util.Set;
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20 |
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21 | import javax.swing.AbstractAction;
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22 | import javax.swing.Action;
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23 | import javax.swing.Icon;
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24 | import javax.swing.JButton;
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25 | import javax.swing.JDialog;
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26 | import javax.swing.JLabel;
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27 | import javax.swing.JOptionPane;
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28 | import javax.swing.JPanel;
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29 | import javax.swing.JScrollBar;
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30 | import javax.swing.JScrollPane;
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31 | import javax.swing.KeyStroke;
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32 | import javax.swing.UIManager;
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33 |
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34 | import org.openstreetmap.josm.gui.help.HelpBrowser;
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35 | import org.openstreetmap.josm.gui.help.HelpUtil;
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36 | import org.openstreetmap.josm.gui.util.GuiHelper;
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37 | import org.openstreetmap.josm.gui.util.WindowGeometry;
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38 | import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
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39 | import org.openstreetmap.josm.io.NetworkManager;
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40 | import org.openstreetmap.josm.io.OnlineResource;
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41 | import org.openstreetmap.josm.tools.GBC;
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42 | import org.openstreetmap.josm.tools.ImageProvider;
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43 | import org.openstreetmap.josm.tools.ImageProvider.ImageSizes;
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44 | import org.openstreetmap.josm.tools.InputMapUtils;
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45 | import org.openstreetmap.josm.tools.Logging;
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46 | import org.openstreetmap.josm.tools.Utils;
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47 |
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48 | /**
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49 | * General configurable dialog window.
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50 | *
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51 | * If dialog is modal, you can use {@link #getValue()} to retrieve the
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52 | * button index. Note that the user can close the dialog
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53 | * by other means. This is usually equivalent to cancel action.
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54 | *
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55 | * For non-modal dialogs, {@link #buttonAction(int, ActionEvent)} can be overridden.
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56 | *
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57 | * There are various options, see below.
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58 | *
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59 | * Note: The button indices are counted from 1 and upwards.
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60 | * So for {@link #getValue()}, {@link #setDefaultButton(int)} and
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61 | * {@link #setCancelButton} the first button has index 1.
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62 | *
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63 | * Simple example:
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64 | * <pre>
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65 | * ExtendedDialog ed = new ExtendedDialog(
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66 | * MainApplication.getMainFrame(), tr("Dialog Title"),
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67 | * new String[] {tr("Ok"), tr("Cancel")});
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68 | * ed.setButtonIcons(new String[] {"ok", "cancel"}); // optional
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69 | * ed.setIcon(JOptionPane.WARNING_MESSAGE); // optional
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70 | * ed.setContent(tr("Really proceed? Interesting things may happen..."));
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71 | * ed.showDialog();
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72 | * if (ed.getValue() == 1) { // user clicked first button "Ok"
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73 | * // proceed...
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74 | * }
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75 | * </pre>
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76 | */
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77 | public class ExtendedDialog extends JDialog implements IExtendedDialog {
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78 | private final boolean disposeOnClose;
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79 | private volatile int result;
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80 | public static final int DialogClosedOtherwise = 0;
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81 | private boolean toggleable;
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82 | private String rememberSizePref = "";
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83 | private transient WindowGeometry defaultWindowGeometry;
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84 | private String togglePref = "";
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85 | private int toggleValue = -1;
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86 | private ConditionalOptionPaneUtil.MessagePanel togglePanel;
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87 | private Component parent;
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88 | private Component content;
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89 | private final String[] bTexts;
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90 | private String[] bToolTipTexts;
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91 | private transient Icon[] bIcons;
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92 | private Set<Integer> cancelButtonIdx = Collections.emptySet();
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93 | private int defaultButtonIdx = 1;
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94 | protected JButton defaultButton;
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95 | private transient Icon icon;
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96 | private boolean modal;
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97 | private boolean focusOnDefaultButton;
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98 |
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99 | /** true, if the dialog should include a help button */
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100 | private boolean showHelpButton;
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101 | /** the help topic */
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102 | private String helpTopic;
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103 |
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104 | /**
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105 | * set to true if the content of the extended dialog should
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106 | * be placed in a {@link JScrollPane}
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107 | */
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108 | private boolean placeContentInScrollPane;
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109 |
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110 | // For easy access when inherited
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111 | protected transient Insets contentInsets = new Insets(10, 5, 0, 5);
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112 | protected transient List<JButton> buttons = new ArrayList<>();
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113 |
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114 | /**
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115 | * This method sets up the most basic options for the dialog. Add more
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116 | * advanced features with dedicated methods.
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117 | * Possible features:
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118 | * <ul>
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119 | * <li><code>setButtonIcons</code></li>
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120 | * <li><code>setContent</code></li>
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121 | * <li><code>toggleEnable</code></li>
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122 | * <li><code>toggleDisable</code></li>
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123 | * <li><code>setToggleCheckboxText</code></li>
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124 | * <li><code>setRememberWindowGeometry</code></li>
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125 | * </ul>
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126 | *
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127 | * When done, call <code>showDialog</code> to display it. You can receive
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128 | * the user's choice using <code>getValue</code>. Have a look at this function
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129 | * for possible return values.
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130 | *
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131 | * @param parent The parent element that will be used for position and maximum size
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132 | * @param title The text that will be shown in the window titlebar
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133 | * @param buttonTexts String Array of the text that will appear on the buttons. The first button is the default one.
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134 | */
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135 | public ExtendedDialog(Component parent, String title, String... buttonTexts) {
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136 | this(parent, title, buttonTexts, true, true);
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137 | }
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138 |
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139 | /**
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140 | * Same as above but lets you define if the dialog should be modal.
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141 | * @param parent The parent element that will be used for position and maximum size
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142 | * @param title The text that will be shown in the window titlebar
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143 | * @param buttonTexts String Array of the text that will appear on the buttons. The first button is the default one.
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144 | * @param modal Set it to {@code true} if you want the dialog to be modal
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145 | */
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146 | public ExtendedDialog(Component parent, String title, String[] buttonTexts, boolean modal) {
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147 | this(parent, title, buttonTexts, modal, true);
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148 | }
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149 |
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150 | /**
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151 | * Same as above but lets you define if the dialog should be disposed on close.
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152 | * @param parent The parent element that will be used for position and maximum size
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153 | * @param title The text that will be shown in the window titlebar
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154 | * @param buttonTexts String Array of the text that will appear on the buttons. The first button is the default one.
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155 | * @param modal Set it to {@code true} if you want the dialog to be modal
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156 | * @param disposeOnClose whether to call {@link #dispose} when closing the dialog
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157 | */
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158 | public ExtendedDialog(Component parent, String title, String[] buttonTexts, boolean modal, boolean disposeOnClose) {
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159 | super(searchRealParent(parent), title, modal ? ModalityType.DOCUMENT_MODAL : ModalityType.MODELESS);
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160 | this.parent = parent;
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161 | this.modal = modal;
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162 | bTexts = Utils.copyArray(buttonTexts);
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163 | if (disposeOnClose) {
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164 | setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
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165 | }
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166 | this.disposeOnClose = disposeOnClose;
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167 | }
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168 |
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169 | private static Frame searchRealParent(Component parent) {
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170 | if (parent == null) {
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171 | return null;
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172 | } else {
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173 | return GuiHelper.getFrameForComponent(parent);
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174 | }
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175 | }
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176 |
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177 | @Override
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178 | public ExtendedDialog setButtonIcons(Icon... buttonIcons) {
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179 | this.bIcons = Utils.copyArray(buttonIcons);
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180 | return this;
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181 | }
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182 |
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183 | @Override
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184 | public ExtendedDialog setButtonIcons(String... buttonIcons) {
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185 | bIcons = new Icon[buttonIcons.length];
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186 | for (int i = 0; i < buttonIcons.length; ++i) {
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187 | bIcons[i] = ImageProvider.get(buttonIcons[i], ImageSizes.LARGEICON);
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188 | }
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189 | return this;
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190 | }
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191 |
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192 | @Override
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193 | public ExtendedDialog setToolTipTexts(String... toolTipTexts) {
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194 | this.bToolTipTexts = Utils.copyArray(toolTipTexts);
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195 | return this;
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196 | }
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197 |
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198 | @Override
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199 | public ExtendedDialog setContent(Component content) {
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200 | return setContent(content, true);
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201 | }
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202 |
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203 | @Override
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204 | public ExtendedDialog setContent(Component content, boolean placeContentInScrollPane) {
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205 | this.content = content;
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206 | this.placeContentInScrollPane = placeContentInScrollPane;
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207 | return this;
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208 | }
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209 |
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210 | @Override
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211 | public ExtendedDialog setContent(String message) {
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212 | return setContent(string2label(message), false);
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213 | }
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214 |
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215 | @Override
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216 | public ExtendedDialog setIcon(Icon icon) {
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217 | this.icon = icon;
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218 | return this;
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219 | }
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220 |
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221 | @Override
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222 | public ExtendedDialog setIcon(int messageType) {
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223 | switch (messageType) {
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224 | case JOptionPane.ERROR_MESSAGE:
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225 | return setIcon(UIManager.getIcon("OptionPane.errorIcon"));
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226 | case JOptionPane.INFORMATION_MESSAGE:
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227 | return setIcon(UIManager.getIcon("OptionPane.informationIcon"));
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228 | case JOptionPane.WARNING_MESSAGE:
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229 | return setIcon(UIManager.getIcon("OptionPane.warningIcon"));
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230 | case JOptionPane.QUESTION_MESSAGE:
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231 | return setIcon(UIManager.getIcon("OptionPane.questionIcon"));
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232 | case JOptionPane.PLAIN_MESSAGE:
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233 | return setIcon(null);
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234 | default:
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235 | throw new IllegalArgumentException("Unknown message type!");
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236 | }
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237 | }
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238 |
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239 | @Override
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240 | public ExtendedDialog showDialog() {
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241 | // Check if the user has set the dialog to not be shown again
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242 | if (toggleCheckState()) {
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243 | result = toggleValue;
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244 | return this;
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245 | }
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246 |
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247 | setupDialog();
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248 | if (defaultButton != null) {
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249 | getRootPane().setDefaultButton(defaultButton);
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250 | }
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251 | // Don't focus the "do not show this again" check box, but the default button.
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252 | if (toggleable || focusOnDefaultButton) {
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253 | requestFocusToDefaultButton();
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254 | }
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255 | setVisible(true);
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256 | toggleSaveState();
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257 | return this;
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258 | }
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259 |
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260 | @Override
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261 | public int getValue() {
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262 | return result;
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263 | }
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264 |
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265 | private boolean setupDone;
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266 |
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267 | @Override
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268 | public void setupDialog() {
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269 | if (setupDone)
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270 | return;
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271 | setupDone = true;
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272 |
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273 | setupEscListener();
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274 |
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275 | JButton button;
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276 | JPanel buttonsPanel = new JPanel(new GridBagLayout());
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277 |
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278 | for (int i = 0; i < bTexts.length; i++) {
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279 | button = new JButton(createButtonAction(i));
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280 | if (i == defaultButtonIdx-1) {
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281 | defaultButton = button;
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282 | }
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283 | if (bIcons != null && bIcons[i] != null) {
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284 | button.setIcon(bIcons[i]);
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285 | }
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286 | if (bToolTipTexts != null && i < bToolTipTexts.length && bToolTipTexts[i] != null) {
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287 | button.setToolTipText(bToolTipTexts[i]);
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288 | }
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289 |
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290 | buttonsPanel.add(button, GBC.std().insets(2, 2, 2, 2));
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291 | buttons.add(button);
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292 | }
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293 | if (showHelpButton) {
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294 | buttonsPanel.add(new JButton(new HelpAction()), GBC.std().insets(2, 2, 2, 2));
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295 | HelpUtil.setHelpContext(getRootPane(), helpTopic);
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296 | }
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297 |
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298 | JPanel cp = new JPanel(new GridBagLayout());
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299 |
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300 | GridBagConstraints gc = new GridBagConstraints();
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301 | gc.gridx = 0;
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302 | int y = 0;
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303 | gc.gridy = y++;
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304 | gc.weightx = 0.0;
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305 | gc.weighty = 0.0;
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306 |
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307 | if (icon != null) {
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308 | JLabel iconLbl = new JLabel(icon);
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309 | gc.insets = new Insets(10, 10, 10, 10);
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310 | gc.anchor = GridBagConstraints.NORTH;
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311 | gc.weighty = 1.0;
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312 | cp.add(iconLbl, gc);
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313 | gc.anchor = GridBagConstraints.CENTER;
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314 | gc.gridx = 1;
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315 | }
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316 |
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317 | gc.fill = GridBagConstraints.BOTH;
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318 | gc.insets = contentInsets;
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319 | gc.weightx = 1.0;
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320 | gc.weighty = 1.0;
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321 | cp.add(content, gc);
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322 |
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323 | gc.fill = GridBagConstraints.NONE;
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324 | gc.gridwidth = GridBagConstraints.REMAINDER;
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325 | gc.weightx = 0.0;
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326 | gc.weighty = 0.0;
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327 |
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328 | if (toggleable) {
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329 | togglePanel = new ConditionalOptionPaneUtil.MessagePanel(null, ConditionalOptionPaneUtil.isInBulkOperation(togglePref));
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330 | gc.gridx = icon != null ? 1 : 0;
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331 | gc.gridy = y++;
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332 | gc.anchor = GridBagConstraints.LINE_START;
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333 | gc.insets = new Insets(5, contentInsets.left, 5, contentInsets.right);
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334 | cp.add(togglePanel, gc);
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335 | }
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336 |
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337 | gc.gridy = y;
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338 | gc.anchor = GridBagConstraints.CENTER;
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339 | gc.insets = new Insets(5, 5, 5, 5);
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340 | cp.add(buttonsPanel, gc);
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341 | if (placeContentInScrollPane) {
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342 | JScrollPane pane = new JScrollPane(cp);
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343 | GuiHelper.setDefaultIncrement(pane);
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344 | pane.setBorder(null);
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345 | setContentPane(pane);
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346 | } else {
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347 | setContentPane(cp);
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348 | }
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349 | pack();
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350 |
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351 | // Try to make it not larger than the parent window or at least not larger than 2/3 of the screen
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352 | Dimension d = getSize();
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353 | Dimension x = findMaxDialogSize();
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354 |
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355 | boolean limitedInWidth = d.width > x.width;
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356 | boolean limitedInHeight = d.height > x.height;
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357 |
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358 | if (x.width > 0 && d.width > x.width) {
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359 | d.width = x.width;
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360 | }
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361 | if (x.height > 0 && d.height > x.height) {
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362 | d.height = x.height;
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363 | }
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364 |
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365 | // We have a vertical scrollbar and enough space to prevent a horizontal one
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366 | if (!limitedInWidth && limitedInHeight) {
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367 | d.width += new JScrollBar().getPreferredSize().width;
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368 | }
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369 |
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370 | setSize(d);
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371 | setLocationRelativeTo(parent);
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372 | }
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373 |
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374 | protected Action createButtonAction(final int i) {
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375 | return new AbstractAction(bTexts[i]) {
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376 | @Override
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377 | public void actionPerformed(ActionEvent evt) {
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378 | buttonAction(i, evt);
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379 | }
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380 | };
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381 | }
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382 |
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383 | /**
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384 | * This gets performed whenever a button is clicked or activated
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385 | * @param buttonIndex the button index (first index is 0)
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386 | * @param evt the button event
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387 | */
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388 | protected void buttonAction(int buttonIndex, ActionEvent evt) {
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389 | result = buttonIndex+1;
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390 | setVisible(false);
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391 | }
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392 |
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393 | /**
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394 | * Tries to find a good value of how large the dialog should be
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395 | * @return Dimension Size of the parent component if visible or 2/3 of screen size if not available or hidden
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396 | */
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397 | protected Dimension findMaxDialogSize() {
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398 | Dimension screenSize = GuiHelper.getScreenSize();
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399 | Dimension x = new Dimension(screenSize.width*2/3, screenSize.height*2/3);
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400 | if (parent != null && parent.isVisible()) {
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401 | x = GuiHelper.getFrameForComponent(parent).getSize();
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402 | }
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403 | return x;
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404 | }
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405 |
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406 | /**
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407 | * Makes the dialog listen to ESC keypressed
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408 | */
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409 | private void setupEscListener() {
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410 | Action actionListener = new AbstractAction() {
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411 | @Override
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412 | public void actionPerformed(ActionEvent actionEvent) {
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413 | // 0 means that the dialog has been closed otherwise.
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414 | // We need to set it to zero again, in case the dialog has been re-used
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415 | // and the result differs from its default value
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416 | result = ExtendedDialog.DialogClosedOtherwise;
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417 | if (Logging.isDebugEnabled()) {
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418 | Logging.debug("{0} ESC action performed ({1}) from {2}",
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419 | getClass().getName(), actionEvent, new Exception().getStackTrace()[1]);
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420 | }
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421 | setVisible(false);
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422 | }
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423 | };
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424 |
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425 | InputMapUtils.addEscapeAction(getRootPane(), actionListener);
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426 | }
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427 |
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428 | protected final void rememberWindowGeometry(WindowGeometry geometry) {
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429 | if (geometry != null) {
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430 | geometry.remember(rememberSizePref);
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431 | }
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432 | }
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433 |
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434 | protected final WindowGeometry initWindowGeometry() {
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435 | return new WindowGeometry(rememberSizePref, defaultWindowGeometry);
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436 | }
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437 |
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438 | /**
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439 | * Override setVisible to be able to save the window geometry if required
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440 | */
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441 | @Override
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442 | public void setVisible(boolean visible) {
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443 | if (visible) {
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444 | repaint();
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445 | }
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446 |
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447 | if (Logging.isDebugEnabled()) {
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448 | Logging.debug(getClass().getName()+".setVisible("+visible+") from "+new Exception().getStackTrace()[1]);
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449 | }
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450 |
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451 | // Ensure all required variables are available
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452 | if (!rememberSizePref.isEmpty() && defaultWindowGeometry != null) {
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453 | if (visible) {
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454 | initWindowGeometry().applySafe(this);
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---|
455 | } else if (isShowing()) { // should fix #6438, #6981, #8295
|
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456 | rememberWindowGeometry(new WindowGeometry(this));
|
---|
457 | }
|
---|
458 | }
|
---|
459 | super.setVisible(visible);
|
---|
460 |
|
---|
461 | if (!visible && disposeOnClose) {
|
---|
462 | dispose();
|
---|
463 | }
|
---|
464 | }
|
---|
465 |
|
---|
466 | @Override
|
---|
467 | public ExtendedDialog setRememberWindowGeometry(String pref, WindowGeometry wg) {
|
---|
468 | rememberSizePref = pref == null ? "" : pref;
|
---|
469 | defaultWindowGeometry = wg;
|
---|
470 | return this;
|
---|
471 | }
|
---|
472 |
|
---|
473 | @Override
|
---|
474 | public ExtendedDialog toggleEnable(String togglePref) {
|
---|
475 | if (!modal) {
|
---|
476 | throw new IllegalStateException();
|
---|
477 | }
|
---|
478 | this.toggleable = true;
|
---|
479 | this.togglePref = togglePref;
|
---|
480 | return this;
|
---|
481 | }
|
---|
482 |
|
---|
483 | @Override
|
---|
484 | public ExtendedDialog setDefaultButton(int defaultButtonIdx) {
|
---|
485 | this.defaultButtonIdx = defaultButtonIdx;
|
---|
486 | return this;
|
---|
487 | }
|
---|
488 |
|
---|
489 | @Override
|
---|
490 | public ExtendedDialog setCancelButton(Integer... cancelButtonIdx) {
|
---|
491 | this.cancelButtonIdx = new HashSet<>(Arrays.<Integer>asList(cancelButtonIdx));
|
---|
492 | return this;
|
---|
493 | }
|
---|
494 |
|
---|
495 | @Override
|
---|
496 | public void setFocusOnDefaultButton(boolean focus) {
|
---|
497 | focusOnDefaultButton = focus;
|
---|
498 | }
|
---|
499 |
|
---|
500 | private void requestFocusToDefaultButton() {
|
---|
501 | if (defaultButton != null) {
|
---|
502 | GuiHelper.runInEDT(defaultButton::requestFocusInWindow);
|
---|
503 | }
|
---|
504 | }
|
---|
505 |
|
---|
506 | @Override
|
---|
507 | public final boolean toggleCheckState() {
|
---|
508 | toggleable = togglePref != null && !togglePref.isEmpty();
|
---|
509 | toggleValue = ConditionalOptionPaneUtil.getDialogReturnValue(togglePref);
|
---|
510 | return toggleable && toggleValue != -1;
|
---|
511 | }
|
---|
512 |
|
---|
513 | /**
|
---|
514 | * This function checks the state of the "Do not show again" checkbox and
|
---|
515 | * writes the corresponding pref.
|
---|
516 | */
|
---|
517 | protected void toggleSaveState() {
|
---|
518 | if (!toggleable ||
|
---|
519 | togglePanel == null ||
|
---|
520 | cancelButtonIdx.contains(result) ||
|
---|
521 | result == ExtendedDialog.DialogClosedOtherwise)
|
---|
522 | return;
|
---|
523 | togglePanel.getNotShowAgain().store(togglePref, result);
|
---|
524 | }
|
---|
525 |
|
---|
526 | /**
|
---|
527 | * Convenience function that converts a given string into a JMultilineLabel
|
---|
528 | * @param msg the message to display
|
---|
529 | * @return JMultilineLabel displaying {@code msg}
|
---|
530 | */
|
---|
531 | private static JMultilineLabel string2label(String msg) {
|
---|
532 | JMultilineLabel lbl = new JMultilineLabel(msg);
|
---|
533 | // Make it not wider than 1/2 of the screen
|
---|
534 | Dimension screenSize = GuiHelper.getScreenSize();
|
---|
535 | lbl.setMaxWidth(screenSize.width/2);
|
---|
536 | // Disable default Enter key binding to allow dialog's one (then enables to hit default button from here)
|
---|
537 | lbl.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), new Object());
|
---|
538 | return lbl;
|
---|
539 | }
|
---|
540 |
|
---|
541 | @Override
|
---|
542 | public ExtendedDialog configureContextsensitiveHelp(String helpTopic, boolean showHelpButton) {
|
---|
543 | this.helpTopic = helpTopic;
|
---|
544 | this.showHelpButton = showHelpButton;
|
---|
545 | return this;
|
---|
546 | }
|
---|
547 |
|
---|
548 | class HelpAction extends AbstractAction {
|
---|
549 | /**
|
---|
550 | * Constructs a new {@code HelpAction}.
|
---|
551 | */
|
---|
552 | HelpAction() {
|
---|
553 | putValue(SHORT_DESCRIPTION, tr("Show help information"));
|
---|
554 | putValue(NAME, tr("Help"));
|
---|
555 | new ImageProvider("help").getResource().attachImageIcon(this, true);
|
---|
556 | setEnabled(!NetworkManager.isOffline(OnlineResource.JOSM_WEBSITE));
|
---|
557 | }
|
---|
558 |
|
---|
559 | @Override
|
---|
560 | public void actionPerformed(ActionEvent e) {
|
---|
561 | HelpBrowser.setUrlForHelpTopic(helpTopic);
|
---|
562 | }
|
---|
563 | }
|
---|
564 | }
|
---|