root / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / project / documents / view / toc / DnDJTree.java @ 7304
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1 | 7304 | caballero | /*
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2 | * Created on 02-jun-2004
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3 | *
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4 | */
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5 | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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6 | *
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7 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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8 | *
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9 | * This program is free software; you can redistribute it and/or
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10 | * modify it under the terms of the GNU General Public License
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11 | * as published by the Free Software Foundation; either version 2
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12 | * of the License, or (at your option) any later version.
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13 | *
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14 | * This program is distributed in the hope that it will be useful,
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 | * GNU General Public License for more details.
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18 | *
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19 | * You should have received a copy of the GNU General Public License
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20 | * along with this program; if not, write to the Free Software
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21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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22 | *
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23 | * For more information, contact:
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24 | *
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25 | * Generalitat Valenciana
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26 | * Conselleria d'Infraestructures i Transport
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27 | * Av. Blasco Ib??ez, 50
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28 | * 46010 VALENCIA
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29 | * SPAIN
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30 | *
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31 | * +34 963862235
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32 | * gvsig@gva.es
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33 | * www.gvsig.gva.es
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34 | *
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35 | * or
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36 | *
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37 | * IVER T.I. S.A
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38 | * Salamanca 50
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39 | * 46005 Valencia
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40 | * Spain
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41 | *
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42 | * +34 963163400
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43 | * dac@iver.es
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44 | */
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45 | package com.iver.cit.gvsig.project.documents.view.toc; |
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46 | /*
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47 | ** This is version II of DnDJTree. The first version allowed for what I
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48 | ** thought was a JDK oversight. However, we can set the cursor appropriately,
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49 | ** relative to whether the current cursor location is a valid drop target.
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50 | **
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51 | ** If this is your first time reading the source code. Just ignore the above
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52 | ** comment and ignore the "CHANGED" comments below. Otherwise, the
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53 | ** "CHANGED" comments will show where the code has changed.
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54 | **
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55 | ** Credit for finding this shortcoming in my code goes Laurent Hubert.
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56 | ** Thanks Laurent.
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57 | **
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58 | ** Rob. [ rkenworthy@hotmail.com ]
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59 | */
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60 | |||
61 | |||
62 | import java.awt.Component; |
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63 | import java.awt.Cursor; |
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64 | import java.awt.Point; |
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65 | import java.awt.datatransfer.Transferable; |
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66 | import java.awt.datatransfer.UnsupportedFlavorException; |
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67 | import java.awt.dnd.DnDConstants; |
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68 | import java.awt.dnd.DragGestureEvent; |
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69 | import java.awt.dnd.DragGestureListener; |
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70 | import java.awt.dnd.DragGestureRecognizer; |
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71 | import java.awt.dnd.DragSource; |
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72 | import java.awt.dnd.DragSourceDragEvent; |
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73 | import java.awt.dnd.DragSourceDropEvent; |
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74 | import java.awt.dnd.DragSourceEvent; |
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75 | import java.awt.dnd.DragSourceListener; |
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76 | import java.awt.dnd.DropTarget; |
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77 | import java.awt.dnd.DropTargetDragEvent; |
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78 | import java.awt.dnd.DropTargetDropEvent; |
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79 | import java.awt.dnd.DropTargetEvent; |
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80 | import java.awt.dnd.DropTargetListener; |
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81 | import java.awt.event.InputEvent; |
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82 | import java.io.IOException; |
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83 | import java.util.ArrayList; |
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84 | |||
85 | import javax.swing.JTree; |
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86 | import javax.swing.SwingUtilities; |
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87 | import javax.swing.event.TreeSelectionEvent; |
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88 | import javax.swing.event.TreeSelectionListener; |
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89 | import javax.swing.tree.DefaultMutableTreeNode; |
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90 | import javax.swing.tree.DefaultTreeModel; |
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91 | import javax.swing.tree.MutableTreeNode; |
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92 | import javax.swing.tree.TreeModel; |
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93 | import javax.swing.tree.TreeNode; |
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94 | import javax.swing.tree.TreePath; |
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95 | |||
96 | import com.iver.andami.PluginServices; |
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97 | import com.iver.cit.gvsig.fmap.layers.FLayer; |
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98 | import com.iver.cit.gvsig.fmap.layers.FLayers; |
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99 | import com.iver.cit.gvsig.project.documents.view.gui.View; |
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100 | |||
101 | public class DnDJTree extends JTree |
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102 | implements TreeSelectionListener, |
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103 | DragGestureListener, DropTargetListener, |
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104 | DragSourceListener {
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105 | |||
106 | protected ArrayList m_Listeners = new ArrayList(); |
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107 | |||
108 | private static DnDJTree oDnDtocOrigin = null; |
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109 | private static DnDJTree oDnDtocDestination = null; |
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110 | /** Stores the parent Frame of the component */
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111 | // private Frame Parent = null;
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112 | |||
113 | /** Stores the selected node info */
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114 | protected TreePath SelectedTreePath = null; |
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115 | protected DefaultMutableTreeNode SelectedNode = null; |
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116 | |||
117 | /** Variables needed for DnD */
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118 | private DragSource dragSource = null; |
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119 | //private DragSourceContext dragSourceContext = null;
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120 | private DropTarget dropTarget; |
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121 | //private ArrayList treeListeners=new ArrayList();
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122 | //private ArrayList dropListeners=new ArrayList();
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123 | // private TreeModel model1;
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124 | /** Constructor
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125 | @param root The root node of the tree
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126 | @param parent Parent JFrame of the JTree */
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127 | public DnDJTree(TreeModel treeModel) { |
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128 | super(treeModel);
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129 | // Parent = parent;
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130 | |||
131 | //addTreeSelectionListener(this);
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132 | |||
133 | /* ********************** CHANGED ********************** */
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134 | dragSource = DragSource.getDefaultDragSource() ;
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135 | /* ****************** END OF CHANGE ******************** */
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136 | |||
137 | DragGestureRecognizer dgr =
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138 | dragSource.createDefaultDragGestureRecognizer( |
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139 | this, //DragSource |
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140 | DnDConstants.ACTION_COPY_OR_MOVE, //specifies valid actions |
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141 | this //DragGestureListener |
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142 | ); |
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143 | |||
144 | |||
145 | /* Eliminates right mouse clicks as valid actions - useful especially
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146 | * if you implement a JPopupMenu for the JTree
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147 | */
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148 | dgr.setSourceActions(dgr.getSourceActions() & ~InputEvent.BUTTON3_MASK);
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149 | |||
150 | /* First argument: Component to associate the target with
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151 | * Second argument: DropTargetListener
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152 | */
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153 | //DropTarget dropTarget = new DropTarget(this, this);
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154 | setDropTarget(); |
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155 | } |
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156 | public void invalidateListeners(){ |
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157 | removeDropListener(); |
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158 | removeTreeListener(); |
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159 | } |
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160 | private void addDropListener(){ |
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161 | dropTarget= new DropTarget(this, this); |
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162 | } |
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163 | private void removeDropListener(){ |
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164 | dropTarget=null;
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165 | } |
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166 | private void addTreeListener(){ |
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167 | addTreeSelectionListener(this);
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168 | } |
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169 | private void removeTreeListener(){ |
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170 | removeTreeSelectionListener(this);
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171 | } |
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172 | public void setDropTarget(){ |
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173 | // TODO: COMENTADO POR FJP
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174 | /* com.iver.andami.ui.mdiManager.View[] views=PluginServices.getMDIManager().getAllViews();
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175 | for(int i=0;i<views.length;i++){
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176 | if (views[i] instanceof View){
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177 | // model1=((View)views[i]).getTOC().getTree().getModel();
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178 | ((View)views[i]).getTOC().getTree().removeTreeListener();
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179 | ((View)views[i]).getTOC().getTree().addTreeListener();
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180 | ((View)views[i]).getTOC().getTree().removeDropListener();
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181 | ((View)views[i]).getTOC().getTree().addDropListener();
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182 | } */
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183 | addTreeListener(); |
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184 | addDropListener(); |
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185 | // }
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186 | ////////// new DropTarget(this, this);
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187 | } |
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188 | /** Returns The selected node */
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189 | public DefaultMutableTreeNode getSelectedNode() { |
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190 | return SelectedNode;
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191 | } |
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192 | |||
193 | ///////////////////////// Interface stuff ////////////////////
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194 | |||
195 | |||
196 | /** DragGestureListener interface method */
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197 | public void dragGestureRecognized(DragGestureEvent e) { |
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198 | //Get the selected node
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199 | DefaultMutableTreeNode dragNode = getSelectedNode();
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200 | if (dragNode != null) { |
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201 | |||
202 | |||
203 | if (!(dragNode.getUserObject() instanceof Transferable)) return; |
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204 | |||
205 | // Get the Transferable Object
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206 | Transferable transferable = (Transferable) dragNode.getUserObject(); |
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207 | |||
208 | /* ********************** CHANGED ********************** */
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209 | |||
210 | //Select the appropriate cursor;
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211 | // Cursor cursor = DragSource.DefaultCopyNoDrop;
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212 | int action = e.getDragAction();
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213 | /* if (action == DnDConstants.ACTION_MOVE)
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214 | cursor = DragSource.DefaultMoveDrop; */
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215 | |||
216 | |||
217 | //In fact the cursor is set to NoDrop because once an action is rejected
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218 | // by a dropTarget, the dragSourceListener are no more invoked.
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219 | // Setting the cursor to no drop by default is so more logical, because
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220 | // when the drop is accepted by a component, then the cursor is changed by the
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221 | // dropActionChanged of the default DragSource.
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222 | /* ****************** END OF CHANGE ******************** */
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223 | |||
224 | //begin the drag
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225 | oDnDtocOrigin = this;
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226 | dragSource.startDrag(e, null, transferable, this); |
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227 | } |
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228 | } |
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229 | |||
230 | /** DragSourceListener interface method */
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231 | public void dragDropEnd(DragSourceDropEvent dsde) { |
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232 | } |
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233 | |||
234 | /** DragSourceListener interface method */
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235 | public void dragEnter(DragSourceDragEvent dsde) { |
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236 | /* ********************** CHANGED ********************** */
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237 | // System.err.println("dragOver" + dsde.getDragSourceContext().getComponent());
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238 | |||
239 | /* ****************** END OF CHANGE ******************** */
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240 | } |
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241 | |||
242 | /** DragSourceListener interface method */
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243 | public void dragOver(DragSourceDragEvent dsde) { |
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244 | /* ********************** CHANGED ********************** */
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245 | // System.err.println("dragOver" + dsde.getDragSourceContext().getComponent());
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246 | /* ****************** END OF CHANGE ******************** */
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247 | } |
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248 | |||
249 | /** DragSourceListener interface method */
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250 | public void dropActionChanged(DragSourceDragEvent dsde) { |
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251 | } |
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252 | |||
253 | /** DragSourceListener interface method */
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254 | public void dragExit(DragSourceEvent dsde) { |
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255 | } |
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256 | |||
257 | /** DropTargetListener interface method - What we do when drag is released */
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258 | public void drop(DropTargetDropEvent e) { |
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259 | try {
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260 | Transferable tr = e.getTransferable();
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261 | //flavor not supported, reject drop
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262 | if (!tr.isDataFlavorSupported( TocItemBranch.INFO_FLAVOR)) e.rejectDrop();
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263 | //cast into appropriate data type
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264 | TocItemBranch childInfo = |
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265 | (TocItemBranch) tr.getTransferData( TocItemBranch.INFO_FLAVOR ); |
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266 | //get new parent node
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267 | Point loc = e.getLocation();
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268 | TreePath destinationPath = getPathForLocation(loc.x, loc.y);
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269 | |||
270 | final String msg = testDropTarget(destinationPath, SelectedTreePath); |
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271 | if (msg != null) { |
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272 | /* if (testSameComponent())
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273 | { */
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274 | e.rejectDrop(); |
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275 | SwingUtilities.invokeLater(new Runnable() { |
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276 | public void run() { |
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277 | System.err.println(msg);
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278 | } |
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279 | }); |
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280 | return;
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281 | /* }
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282 | else
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283 | {
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284 | // TODO: Por ahora solo dejamos mover, no copiar
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285 | // TODO: ?Y qu? pasa si la vista a la que vamos
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286 | // no tiene la misma proyecci?n? MEJOR DESHABILITO ESTO POR AHORA
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287 | if (e.getDropAction() == DnDConstants.ACTION_MOVE)
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288 | dropRoot(SelectedNode);
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289 | else
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290 | e.rejectDrop();
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291 | return;
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292 | } */
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293 | } |
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294 | if (!testSameComponent(e))
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295 | { |
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296 | e.rejectDrop(); |
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297 | return;
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298 | } |
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299 | int oldPos,newPos;
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300 | //boolean isContainer=false;
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301 | |||
302 | DefaultMutableTreeNode nodoTocado =
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303 | (DefaultMutableTreeNode) destinationPath.getLastPathComponent();
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304 | // get old parent node
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305 | DefaultMutableTreeNode oldParent = (DefaultMutableTreeNode) getSelectedNode().getParent(); |
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306 | if (nodoTocado.getParent().equals(getSelectedNode())){
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307 | return;
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308 | } |
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309 | //oldParent.setUserObject(new TocItemBranch(((TocItemBranch)getSelectedNode().getUserObject()).getLayer().getParentLayer()));
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310 | oldPos = oldParent.getIndex(getSelectedNode()); |
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311 | // Para no tener en cuenta los nodos de s?mbolos:
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312 | if (!(nodoTocado.getUserObject() instanceof TocItemBranch)){ |
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313 | nodoTocado = (DefaultMutableTreeNode) nodoTocado.getParent();
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314 | } |
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315 | |||
316 | ///posActual = oldParent.getIndex(getSelectedNode());
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317 | //Destino
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318 | DefaultMutableTreeNode destParent=null; |
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319 | |||
320 | if (((TocItemBranch)nodoTocado.getUserObject()).getLayer() instanceof FLayers){ |
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321 | //isContainer=true;
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322 | newPos=0;
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323 | destParent=nodoTocado; |
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324 | }else{//Si donde se deja la capa seleccionada no es un contenedor de capas. |
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325 | destParent= (DefaultMutableTreeNode)nodoTocado.getParent();
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326 | newPos=destParent.getIndex(nodoTocado); |
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327 | } |
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328 | |||
329 | |||
330 | |||
331 | |||
332 | int action = e.getDropAction();
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333 | boolean copyAction = (action == DnDConstants.ACTION_COPY); |
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334 | |||
335 | //make new child node
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336 | DefaultMutableTreeNode newChild = new DefaultMutableTreeNode(childInfo); |
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337 | if (getSelectedNode().getAllowsChildren()){
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338 | int childs=getSelectedNode().getChildCount();
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339 | |||
340 | for (int i=0;i<childs;i++){ |
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341 | newChild.add((MutableTreeNode)getSelectedNode().getChildAt(0)); |
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342 | } |
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343 | } |
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344 | |||
345 | try {
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346 | if (!copyAction){
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347 | oldParent.remove(getSelectedNode()); |
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348 | destParent.insert(newChild,newPos); |
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349 | // newParent.add(newChild);
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350 | } |
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351 | if (copyAction) e.acceptDrop (DnDConstants.ACTION_COPY); |
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352 | else e.acceptDrop (DnDConstants.ACTION_MOVE); |
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353 | } |
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354 | catch (java.lang.IllegalStateException ils) {
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355 | e.rejectDrop(); |
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356 | } |
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357 | |||
358 | e.getDropTargetContext().dropComplete(true);
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359 | |||
360 | //expand nodes appropriately - this probably isnt the best way...
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361 | |||
362 | // TODO: COMENTADO POR FJP
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363 | /* com.iver.andami.ui.mdiManager.View[] views=PluginServices.getMDIManager().getAllViews();
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364 | for(int i=0;i<views.length;i++){
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365 | if (views[i] instanceof View){
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366 | ((DefaultTreeModel)((View)views[i]).getTOC().getTree().getModel()).reload(oldParent);
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367 | }
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368 | } */
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369 | |||
370 | |||
371 | |||
372 | // ((DefaultTreeModel)model1).reload(oldParent);
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373 | DefaultTreeModel model = (DefaultTreeModel) getModel(); |
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374 | model.reload(destParent); |
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375 | FLayers lpo=null;
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376 | FLayers lpd=null;
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377 | |||
378 | if (oldParent.getUserObject() instanceof TocItemBranch){ |
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379 | lpo=(FLayers)((TocItemBranch)oldParent.getUserObject()).getLayer(); |
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380 | //lpd=(FLayers)((TocItemBranch)destParent.getUserObject()).getLayer();
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381 | }/*else if (((TocItemBranch)nodoTocado.getUserObject()).getLayer().getParentLayer()!=null){
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382 | lpo=((TocItemBranch)nodoTocado.getUserObject()).getLayer().getParentLayer();
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383 | }*/else{ |
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384 | lpo=(FLayers)((TocItemBranch)getSelectedNode().getUserObject()).getLayer().getParentLayer(); |
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385 | } |
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386 | if (destParent.getUserObject() instanceof TocItemBranch){ |
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387 | lpd=(FLayers)((TocItemBranch)destParent.getUserObject()).getLayer(); |
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388 | }else{
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389 | lpd=((TocItemBranch)nodoTocado.getUserObject()).getLayer().getParentLayer(); |
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390 | } |
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391 | |||
392 | |||
393 | if (destParent.equals(oldParent)){
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394 | callListeners(oldPos,newPos,lpd); |
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395 | }else{
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396 | callListeners(lpo,lpd,((TocItemBranch)newChild.getUserObject()).getLayer()); |
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397 | } |
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398 | } |
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399 | |||
400 | catch (IOException io) { e.rejectDrop(); } |
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401 | catch (UnsupportedFlavorException ufe) {e.rejectDrop();} |
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402 | } //end of method
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403 | public void dropRoot(TreeNode tn){ |
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404 | int oldPos,newPos;
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405 | DefaultMutableTreeNode nodoTocado =
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406 | (DefaultMutableTreeNode) tn;
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407 | // get old parent node
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408 | if (getSelectedNode()==null)return; |
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409 | DefaultMutableTreeNode oldParent = (DefaultMutableTreeNode) getSelectedNode().getParent(); |
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410 | if (oldParent!=null){ |
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411 | oldPos = oldParent.getIndex(getSelectedNode()); |
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412 | //Destino
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413 | DefaultMutableTreeNode destParent=null; |
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414 | newPos=0;
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415 | destParent=nodoTocado; |
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416 | |||
417 | //make new child node
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418 | DefaultMutableTreeNode newChild = (DefaultMutableTreeNode)getSelectedNode().clone(); |
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419 | oldParent.remove(getSelectedNode()); |
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420 | destParent.insert(newChild,newPos); |
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421 | |||
422 | com.iver.andami.ui.mdiManager.IWindow[] views=PluginServices.getMDIManager().getAllWindows();
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423 | for(int i=0;i<views.length;i++){ |
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424 | if (views[i] instanceof View){ |
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425 | ((DefaultTreeModel)((View)views[i]).getTOC().getTree().getModel()).reload(oldParent); |
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426 | } |
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427 | } |
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428 | // ((DefaultTreeModel)model1).reload(oldParent);
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429 | DefaultTreeModel model = (DefaultTreeModel) getModel(); |
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430 | model.reload(destParent); |
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431 | FLayers lpo=null;
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432 | FLayers lpd=null;
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433 | |||
434 | lpo=(FLayers)((TocItemBranch)getSelectedNode().getUserObject()).getLayer().getParentLayer(); |
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435 | for(int i=0;i<views.length;i++){ |
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436 | if (views[i] instanceof View){ |
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437 | if (((View)views[i]).getTOC().getTree().equals(this)){ |
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438 | lpd= ((View)views[i]).getMapControl().getMapContext().getLayers();
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439 | } |
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440 | } |
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441 | } |
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442 | if (destParent.equals(oldParent)){
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443 | callListeners(oldPos,newPos,lpd); |
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444 | }else{
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445 | callListeners(lpo,lpd,((TocItemBranch)newChild.getUserObject()).getLayer()); |
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446 | } |
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447 | } |
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448 | } |
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449 | |||
450 | /** DropTaregetListener interface method */
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451 | public void dragEnter(DropTargetDragEvent e) { |
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452 | } |
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453 | |||
454 | /** DropTaregetListener interface method */
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455 | public void dragExit(DropTargetEvent e) { |
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456 | } |
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457 | |||
458 | /** DropTaregetListener interface method */
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459 | public void dragOver(DropTargetDragEvent e) { |
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460 | /* ********************** CHANGED ********************** */
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461 | //set cursor location. Needed in setCursor method
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462 | Point cursorLocationBis = e.getLocation();
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463 | TreePath destinationPath =
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464 | getPathForLocation(cursorLocationBis.x, cursorLocationBis.y); |
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465 | |||
466 | |||
467 | // if destination path is okay accept drop...
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468 | |||
469 | if (testSameComponent(e))
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470 | { |
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471 | String msg = testDropTarget(destinationPath, SelectedTreePath);
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472 | if ( msg == null) { |
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473 | e.acceptDrag(DnDConstants.ACTION_MOVE) ;
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474 | return;
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475 | } |
||
476 | |||
477 | } |
||
478 | // ...otherwise reject drop
|
||
479 | // else {
|
||
480 | // System.err.println(e.getDropTargetContext().getComponent());
|
||
481 | |||
482 | // if (testSameComponent(e))
|
||
483 | e.rejectDrag() ; |
||
484 | /* else
|
||
485 | e.acceptDrag(DnDConstants.ACTION_MOVE); */
|
||
486 | // }
|
||
487 | /* ****************** END OF CHANGE ******************** */
|
||
488 | } |
||
489 | |||
490 | /** DropTaregetListener interface method */
|
||
491 | public void dropActionChanged(DropTargetDragEvent e) { |
||
492 | } |
||
493 | private void setSelectedNode(DefaultMutableTreeNode smtn){ |
||
494 | if (smtn!=null) |
||
495 | SelectedNode=smtn; |
||
496 | } |
||
497 | |||
498 | /** TreeSelectionListener - sets selected node */
|
||
499 | public void valueChanged(TreeSelectionEvent evt) { |
||
500 | SelectedTreePath = evt.getNewLeadSelectionPath(); |
||
501 | /* com.iver.andami.ui.mdiManager.View[] views=PluginServices.getMDIManager().getAllViews();
|
||
502 | for(int i=0;i<views.length;i++){
|
||
503 | if (views[i] instanceof View){
|
||
504 | if (SelectedTreePath == null) {
|
||
505 | ((View)views[i]).getTOC().getTree().setSelectedNode(null);
|
||
506 | }else{
|
||
507 | ((View)views[i]).getTOC().getTree().setSelectedNode((DefaultMutableTreeNode)SelectedTreePath.getLastPathComponent());
|
||
508 | }
|
||
509 | }
|
||
510 | } */
|
||
511 | if (SelectedTreePath == null){ |
||
512 | setSelectedNode(null);
|
||
513 | }else{
|
||
514 | setSelectedNode((DefaultMutableTreeNode)SelectedTreePath.getLastPathComponent());
|
||
515 | } |
||
516 | } |
||
517 | |||
518 | /** Convenience method to test whether drop location is valid
|
||
519 | @param destination The destination path
|
||
520 | @param dropper The path for the node to be dropped
|
||
521 | @return null if no problems, otherwise an explanation
|
||
522 | */
|
||
523 | private String testDropTarget(TreePath destination, TreePath dropper) { |
||
524 | //Typical Tests for dropping
|
||
525 | |||
526 | //Test 1.
|
||
527 | boolean destinationPathIsNull = destination == null; |
||
528 | if (destinationPathIsNull)
|
||
529 | return "Invalid drop location."; |
||
530 | |||
531 | //Test 2.
|
||
532 | DefaultMutableTreeNode node = (DefaultMutableTreeNode) destination.getLastPathComponent(); |
||
533 | if ( !node.getAllowsChildren() )
|
||
534 | return "This node does not allow children"; |
||
535 | |||
536 | if (destination.equals(dropper))
|
||
537 | return "Destination cannot be same as source"; |
||
538 | |||
539 | //Test 3.
|
||
540 | /* if ( dropper.isDescendant(destination))
|
||
541 | return "Destination node cannot be a descendant.";
|
||
542 | |||
543 | //Test 4.
|
||
544 | if ( dropper.getParentPath().equals(destination))
|
||
545 | return "Destination node cannot be a parent."; */
|
||
546 | |||
547 | return null; |
||
548 | } |
||
549 | |||
550 | private boolean testSameComponent(DropTargetEvent e) |
||
551 | { |
||
552 | oDnDtocDestination = this;
|
||
553 | return (oDnDtocOrigin == oDnDtocDestination);
|
||
554 | } |
||
555 | /**
|
||
556 | * @param arg0
|
||
557 | * @return
|
||
558 | */
|
||
559 | public boolean addOrderListener(ITocOrderListener arg0) { |
||
560 | return m_Listeners.add(arg0);
|
||
561 | } |
||
562 | /**
|
||
563 | * @param arg0
|
||
564 | * @return
|
||
565 | */
|
||
566 | public boolean removeOrderListener(ITocOrderListener arg0) { |
||
567 | return m_Listeners.remove(arg0);
|
||
568 | } |
||
569 | private void callListeners(int oldPos, int newPos,FLayers lpd) |
||
570 | { |
||
571 | for (int i=0; i < m_Listeners.size(); i++) |
||
572 | { |
||
573 | ITocOrderListener listener = (ITocOrderListener) m_Listeners.get(i); |
||
574 | listener.orderChanged(oldPos, newPos,lpd); |
||
575 | } |
||
576 | } |
||
577 | |||
578 | private void callListeners(FLayers lpo,FLayers lpd,FLayer ls){ |
||
579 | for (int i=0; i < m_Listeners.size(); i++) |
||
580 | { |
||
581 | ITocOrderListener listener = (ITocOrderListener) m_Listeners.get(i); |
||
582 | listener.parentChanged(lpo,lpd,ls); |
||
583 | } |
||
584 | } |
||
585 | |||
586 | } //end of DnDJTree |