1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.gui.preferences;
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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.Container;
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8 | import java.awt.Dimension;
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9 | import java.awt.GridBagLayout;
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10 | import java.awt.GridLayout;
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11 | import java.awt.LayoutManager;
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12 | import java.awt.Rectangle;
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13 | import java.awt.datatransfer.DataFlavor;
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14 | import java.awt.datatransfer.Transferable;
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15 | import java.awt.datatransfer.UnsupportedFlavorException;
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16 | import java.awt.event.ActionEvent;
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17 | import java.awt.event.ActionListener;
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18 | import java.awt.event.InputEvent;
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19 | import java.io.IOException;
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20 | import java.util.Arrays;
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21 | import java.util.Collection;
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22 | import java.util.HashMap;
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23 | import java.util.LinkedList;
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24 | import java.util.List;
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25 | import java.util.Map;
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26 |
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27 | import javax.swing.AbstractAction;
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28 | import javax.swing.Action;
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29 | import javax.swing.DefaultListCellRenderer;
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30 | import javax.swing.DefaultListModel;
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31 | import javax.swing.Icon;
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32 | import javax.swing.JButton;
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33 | import javax.swing.JComponent;
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34 | import javax.swing.JLabel;
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35 | import javax.swing.JList;
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36 | import javax.swing.JMenuItem;
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37 | import javax.swing.JPanel;
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38 | import javax.swing.JPopupMenu;
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39 | import javax.swing.JScrollPane;
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40 | import javax.swing.JToolBar;
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41 | import javax.swing.JTree;
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42 | import javax.swing.ListCellRenderer;
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43 | import javax.swing.MenuElement;
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44 | import javax.swing.TransferHandler;
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45 | import javax.swing.event.ListSelectionEvent;
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46 | import javax.swing.event.ListSelectionListener;
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47 | import javax.swing.tree.DefaultMutableTreeNode;
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48 | import javax.swing.tree.DefaultTreeCellRenderer;
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49 | import javax.swing.tree.DefaultTreeModel;
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50 | import javax.swing.tree.TreePath;
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51 |
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52 | import org.openstreetmap.josm.Main;
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53 | import org.openstreetmap.josm.tools.GBC;
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54 | import org.openstreetmap.josm.tools.ImageProvider;
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55 |
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56 | public class ToolbarPreferences implements PreferenceSetting {
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57 |
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58 | private final class Move implements ActionListener {
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59 | public void actionPerformed(ActionEvent e) {
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60 | if (e.getActionCommand().equals("<") && actionsTree.getSelectionCount() > 0) {
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61 |
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62 | int leadItem = selected.getSize();
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63 | if (selectedList.getSelectedIndex() != -1) {
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64 | int[] indices = selectedList.getSelectedIndices();
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65 | leadItem = indices[indices.length - 1];
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66 | }
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67 | for (TreePath selectedAction : actionsTree.getSelectionPaths()) {
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68 | DefaultMutableTreeNode node = (DefaultMutableTreeNode) selectedAction.getLastPathComponent();
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69 | if (node.getUserObject() == null || node.getUserObject() instanceof Action) {
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70 | selected.add(leadItem++, ((Action)node.getUserObject()).getValue("toolbar"));
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71 | }
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72 | }
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73 | } else if (e.getActionCommand().equals(">") && selectedList.getSelectedIndex() != -1) {
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74 | while (selectedList.getSelectedIndex() != -1) {
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75 | selected.remove(selectedList.getSelectedIndex());
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76 | }
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77 | } else if (e.getActionCommand().equals("up")) {
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78 | int i = selectedList.getSelectedIndex();
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79 | Object o = selected.get(i);
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80 | if (i != 0) {
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81 | selected.remove(i);
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82 | selected.add(i-1, o);
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83 | selectedList.setSelectedIndex(i-1);
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84 | }
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85 | } else if (e.getActionCommand().equals("down")) {
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86 | int i = selectedList.getSelectedIndex();
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87 | Object o = selected.get(i);
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88 | if (i != selected.size()-1) {
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89 | selected.remove(i);
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90 | selected.add(i+1, o);
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91 | selectedList.setSelectedIndex(i+1);
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92 | }
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93 | }
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94 | }
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95 | }
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96 | private Move moveAction = new Move();
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97 |
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98 | /**
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99 | * Key: Registered name (property "toolbar" of action).
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100 | * Value: The action to execute.
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101 | */
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102 | private Map<String, Action> actions = new HashMap<String, Action>();
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103 |
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104 | private DefaultListModel selected = new DefaultListModel();
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105 |
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106 | private DefaultMutableTreeNode rootActionsNode = new DefaultMutableTreeNode("Actions");
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107 | private DefaultTreeModel actionsTreeModel = new DefaultTreeModel(rootActionsNode);
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108 | private JTree actionsTree = new JTree(actionsTreeModel);
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109 | private JList selectedList = new JList(selected);
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110 |
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111 | private String movingComponent;
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112 |
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113 | public JToolBar control = new JToolBar();
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114 |
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115 | private JButton upButton;
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116 | private JButton downButton;
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117 |
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118 | public ToolbarPreferences() {
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119 | control.setFloatable(false);
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120 |
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121 | actionsTree.setCellRenderer(new DefaultTreeCellRenderer() {
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122 | @Override
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123 | public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
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124 | boolean leaf, int row, boolean hasFocus) {
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125 | DefaultMutableTreeNode node = (DefaultMutableTreeNode) value;
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126 | JLabel comp = (JLabel) super.getTreeCellRendererComponent(
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127 | tree, value, sel, expanded, leaf, row, hasFocus);
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128 | if (node.getUserObject() == null) {
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129 | comp.setText(tr("Separator"));
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130 | comp.setIcon(ImageProvider.get("preferences/separator"));
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131 | }
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132 | else if (node.getUserObject() instanceof Action) {
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133 | Action action = (Action) node.getUserObject();
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134 | comp.setText((String) action.getValue(Action.NAME));
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135 | comp.setIcon((Icon) action.getValue(Action.SMALL_ICON));
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136 | }
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137 | return comp;
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138 | }
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139 | });
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140 |
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141 | ListCellRenderer renderer = new DefaultListCellRenderer(){
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142 | @Override public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
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143 | String s;
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144 | Icon i;
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145 | if (value != null) {
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146 | Action action = actions.get(value);
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147 | s = (String) action.getValue(Action.NAME);
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148 | i = (Icon) action.getValue(Action.SMALL_ICON);
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149 | } else {
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150 | i = ImageProvider.get("preferences/separator");
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151 | s = tr("Separator");
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152 | }
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153 | JLabel l = (JLabel)super.getListCellRendererComponent(list, s, index, isSelected, cellHasFocus);
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154 | l.setIcon(i);
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155 | return l;
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156 | }
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157 | };
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158 | selectedList.setCellRenderer(renderer);
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159 | selectedList.addListSelectionListener(new ListSelectionListener(){
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160 | public void valueChanged(ListSelectionEvent e) {
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161 | boolean sel = selectedList.getSelectedIndex() != -1;
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162 | if (sel)
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163 | actionsTree.clearSelection();
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164 | upButton.setEnabled(sel);
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165 | downButton.setEnabled(sel);
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166 | }
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167 | });
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168 |
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169 | selectedList.setDragEnabled(true);
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170 | selectedList.setTransferHandler(new TransferHandler() {
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171 | @Override
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172 | protected Transferable createTransferable(JComponent c) {
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173 | return new ActionTransferable(((JList)c).getSelectedValues());
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174 | }
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175 |
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176 | @Override
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177 | public int getSourceActions(JComponent c) {
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178 | return TransferHandler.MOVE;
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179 | }
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180 |
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181 | @Override
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182 | public boolean canImport(JComponent comp, DataFlavor[] transferFlavors) {
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183 | for (DataFlavor f : transferFlavors) {
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184 | if (ACTION_FLAVOR.equals(f)) {
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185 | return true;
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186 | }
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187 | }
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188 | return false;
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189 | }
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190 |
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191 | @Override
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192 | public void exportAsDrag(JComponent comp, InputEvent e, int action) {
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193 | super.exportAsDrag(comp, e, action);
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194 | movingComponent = "list";
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195 | }
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196 |
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197 | @Override
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198 | public boolean importData(JComponent comp, Transferable t) {
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199 | try {
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200 | int dropIndex = selectedList.locationToIndex(selectedList.getDropLocation().getDropPoint());
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201 | Object[] draggedData = (Object[]) t.getTransferData(ACTION_FLAVOR);
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202 |
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203 | Object leadItem = dropIndex >= 0 ? selected.elementAt(dropIndex) : null;
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204 | int dataLength = draggedData.length;
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205 |
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206 | if (leadItem != null)
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207 | for (int i = 0; i < dataLength; i++)
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208 | if (leadItem.equals(draggedData[i]))
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209 | return false;
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210 |
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211 | int dragLeadIndex = -1;
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212 | boolean localDrop = "list".equals(movingComponent);
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213 |
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214 | if (localDrop) {
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215 | dragLeadIndex = selected.indexOf(draggedData[0]);
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216 | for (int i = 0; i < dataLength; i++)
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217 | selected.removeElement(draggedData[i]);
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218 | }
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219 | int[] indices = new int[dataLength];
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220 |
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221 | if (localDrop) {
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222 | int adjustedLeadIndex = selected.indexOf(leadItem);
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223 | int insertionAdjustment = dragLeadIndex <= adjustedLeadIndex ? 1 : 0;
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224 | for (int i = 0; i < dataLength; i++) {
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225 | selected.insertElementAt(draggedData[i], adjustedLeadIndex + insertionAdjustment + i);
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226 | indices[i] = adjustedLeadIndex + insertionAdjustment + i;
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227 | }
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228 | } else {
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229 | for (int i = 0; i < dataLength; i++) {
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230 | selected.add(dropIndex, draggedData[i]);
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231 | indices[i] = dropIndex + i;
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232 | }
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233 | }
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234 | selectedList.clearSelection();
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235 | selectedList.setSelectedIndices(indices);
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236 | movingComponent = "";
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237 | return true;
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238 | } catch (Exception e) {
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239 | e.printStackTrace();
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240 | }
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241 | return false;
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242 | }
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243 |
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244 | @Override
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245 | protected void exportDone(JComponent source, Transferable data, int action) {
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246 | if (movingComponent.equals("list")) {
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247 | try {
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248 | Object[] draggedData = (Object[]) data.getTransferData(ACTION_FLAVOR);
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249 | boolean localDrop = selected.contains(draggedData[0]);
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250 | if (localDrop) {
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251 | int[] indices = selectedList.getSelectedIndices();
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252 | Arrays.sort(indices);
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253 | for (int i = indices.length - 1; i >= 0; i--) {
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254 | selected.remove(indices[i]);
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255 | }
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256 | }
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257 | } catch (Exception e) {
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258 | e.printStackTrace();
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259 | }
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260 | movingComponent = "";
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261 | }
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262 | }
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263 | });
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264 |
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265 | actionsTree.setTransferHandler(new TransferHandler() {
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266 | private static final long serialVersionUID = 1L;
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267 |
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268 | @Override
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269 | public int getSourceActions( JComponent c ){
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270 | return TransferHandler.MOVE;
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271 | }
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272 |
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273 | @Override
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274 | protected void exportDone(JComponent source, Transferable data, int action) {
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275 | }
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276 |
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277 | @Override
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278 | protected Transferable createTransferable(JComponent c) {
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279 | TreePath[] paths = actionsTree.getSelectionPaths();
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280 | List<String> dragActions = new LinkedList<String>();
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281 | for (TreePath path : paths) {
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282 | DefaultMutableTreeNode node = (DefaultMutableTreeNode) path.getLastPathComponent();
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283 | Object obj = node.getUserObject();
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284 | if (obj == null) {
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285 | dragActions.add(null);
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286 | }
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287 | else if (obj instanceof Action) {
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288 | dragActions.add((String) ((Action) obj).getValue("toolbar"));
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289 | }
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290 | }
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291 | return new ActionTransferable(dragActions.toArray());
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292 | }
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293 | });
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294 | actionsTree.setDragEnabled(true);
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295 | }
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296 |
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297 | public void addGui(PreferenceDialog gui) {
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298 | final JPanel left = new JPanel(new GridBagLayout());
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299 | left.add(new JLabel(tr("Toolbar")), GBC.eol());
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300 | left.add(new JScrollPane(selectedList), GBC.std().fill(GBC.BOTH));
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301 |
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302 | final JPanel right = new JPanel(new GridBagLayout());
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303 | right.add(new JLabel(tr("Available")), GBC.eol());
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304 | right.add(new JScrollPane(actionsTree), GBC.eol().fill(GBC.BOTH));
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305 |
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306 | final JPanel buttons = new JPanel(new GridLayout(6,1));
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307 | buttons.add(upButton = createButton("up"));
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308 | buttons.add(createButton("<"));
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309 | buttons.add(createButton(">"));
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310 | buttons.add(downButton = createButton("down"));
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311 | upButton.setEnabled(false);
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312 | downButton.setEnabled(false);
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313 |
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314 | final JPanel p = new JPanel();
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315 | p.setLayout(new LayoutManager(){
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316 | public void addLayoutComponent(String name, Component comp) {}
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317 | public void removeLayoutComponent(Component comp) {}
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318 | public Dimension minimumLayoutSize(Container parent) {
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319 | Dimension l = left.getMinimumSize();
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320 | Dimension r = right.getMinimumSize();
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321 | Dimension b = buttons.getMinimumSize();
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322 | return new Dimension(l.width+b.width+10+r.width,l.height+b.height+10+r.height);
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323 | }
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324 | public Dimension preferredLayoutSize(Container parent) {
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325 | Dimension l = new Dimension(200, 200); //left.getPreferredSize();
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326 | Dimension r = new Dimension(200, 200); //right.getPreferredSize();
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327 | return new Dimension(l.width+r.width+10+buttons.getPreferredSize().width,Math.max(l.height, r.height));
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328 | }
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329 | public void layoutContainer(Container parent) {
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330 | Dimension d = p.getSize();
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331 | Dimension b = buttons.getPreferredSize();
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332 | int width = (d.width-10-b.width)/2;
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333 | left.setBounds(new Rectangle(0,0,width,d.height));
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334 | right.setBounds(new Rectangle(width+10+b.width,0,width,d.height));
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335 | buttons.setBounds(new Rectangle(width+5, d.height/2-b.height/2, b.width, b.height));
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336 | }
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337 | });
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338 | p.add(left);
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339 | p.add(buttons);
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340 | p.add(right);
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341 |
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342 | JPanel panel = gui.createPreferenceTab("toolbar", tr("Toolbar customization"),
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343 | tr("Customize the elements on the toolbar."), false);
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344 | panel.add(p, GBC.eol().fill(GBC.BOTH));
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345 |
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346 | selected.removeAllElements();
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347 | for (String s : getToolString()) {
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348 | if (s.equals("|"))
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349 | selected.addElement(null);
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350 | else {
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351 | if (actions.get(s) != null) {
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352 | selected.addElement(s);
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353 | }
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354 | }
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355 | }
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356 | }
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357 |
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358 | private void loadAction(DefaultMutableTreeNode node, MenuElement menu) {
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359 | Object userObject = null;
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360 | MenuElement menuElement = menu;
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361 | if (menu.getSubElements().length > 0 &&
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362 | menu.getSubElements()[0] instanceof JPopupMenu) {
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363 | menuElement = menu.getSubElements()[0];
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364 | }
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365 | for (MenuElement item : menuElement.getSubElements()) {
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366 | if (item instanceof JMenuItem) {
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367 | JMenuItem menuItem = ((JMenuItem)item);
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368 | if (menuItem.getAction() != null) {
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369 | Action action = menuItem.getAction();
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370 | userObject = action;
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371 | actions.put((String) action.getValue("toolbar"), action);
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372 | } else {
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373 | userObject = menuItem.getText();
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374 | }
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375 | }
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376 | DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(userObject);
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377 | node.add(newNode);
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378 | loadAction(newNode, item);
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379 | }
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380 | }
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381 |
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382 | private void loadActions() {
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383 | rootActionsNode.removeAllChildren();
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384 | loadAction(rootActionsNode, Main.main.menu);
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385 | rootActionsNode.add(new DefaultMutableTreeNode(null));
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386 | actionsTree.updateUI();
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387 | actionsTree.setRootVisible(false);
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388 | actionsTree.expandPath(new TreePath(rootActionsNode));
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389 | }
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390 |
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391 | private static final String[] deftoolbar = {"open", "save", "exportgpx", "|",
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392 | "download", "upload", "|", "undo", "redo", "|", "preference"};
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393 | private Collection<String> getToolString() {
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394 | return Main.pref.getCollection("toolbar", Arrays.asList(deftoolbar));
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395 | }
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396 |
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397 | private JButton createButton(String name) {
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398 | JButton b = new JButton();
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399 | if (name.equals("up"))
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400 | b.setIcon(ImageProvider.get("dialogs", "up"));
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401 | else if (name.equals("down"))
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402 | b.setIcon(ImageProvider.get("dialogs", "down"));
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403 | else
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404 | b.setText(name);
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405 | b.addActionListener(moveAction);
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406 | b.setActionCommand(name);
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407 | return b;
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408 | }
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409 |
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410 | public boolean ok() {
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411 | StringBuilder b = new StringBuilder();
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412 | Collection<String> t = new LinkedList<String>();
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413 | for (int i = 0; i < selected.size(); ++i) {
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414 | if (selected.get(i) == null)
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415 | t.add("|");
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416 | else
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417 | t.add((String)((actions.get(selected.get(i))).getValue("toolbar")));
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418 | }
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419 | Main.pref.putCollection("toolbar", t);
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420 | refreshToolbarControl();
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421 | return false;
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422 | }
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423 |
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424 | /**
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425 | * @return The parameter (for better chaining)
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426 | */
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427 | public Action register(Action action) {
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428 | // actions.put((String) action.getValue("toolbar"), action);
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429 | return action;
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430 | }
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431 |
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432 | /**
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433 | * Parse the toolbar preference setting and construct the toolbar GUI control.
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434 | *
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435 | * Call this, if anything has changed in the toolbar settings and you want to refresh
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436 | * the toolbar content (e.g. after registering actions in a plugin)
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437 | */
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438 | public void refreshToolbarControl() {
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439 | loadActions();
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440 | control.removeAll();
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441 | for (String s : getToolString()) {
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442 | if (s.equals("|"))
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443 | control.addSeparator();
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444 | else
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445 | control.add(actions.get(s));
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446 | }
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447 | control.setVisible(control.getComponentCount() != 0);
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448 | }
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449 |
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450 | private static DataFlavor ACTION_FLAVOR = new DataFlavor(
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451 | AbstractAction.class, "ActionItem");
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452 |
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453 | private class ActionTransferable implements Transferable {
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454 |
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455 | private DataFlavor[] flavors = new DataFlavor[] { ACTION_FLAVOR };
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456 |
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457 | private Object[] actions;
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458 |
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459 | public ActionTransferable(Action action) {
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460 | this.actions = new Action[] { action };
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461 | }
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462 |
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463 | public ActionTransferable(Object[] actions) {
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464 | this.actions = actions;
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465 | }
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466 |
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467 | public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
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468 | return actions;
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469 | }
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470 |
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471 | public DataFlavor[] getTransferDataFlavors() {
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472 | return flavors;
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473 | }
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474 |
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475 | public boolean isDataFlavorSupported(DataFlavor flavor) {
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476 | return flavors[0] == flavor;
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477 | }
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478 | }
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479 | }
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