Revision 2078 branches/gvSIG_03_SLD/applications/appgvSIG/src/com/iver/cit/gvsig/gui/toc/DnDJTree.java
| DnDJTree.java | ||
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import javax.swing.event.TreeSelectionListener; |
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import javax.swing.tree.DefaultMutableTreeNode; |
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import javax.swing.tree.DefaultTreeModel; |
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import javax.swing.tree.MutableTreeNode; |
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import javax.swing.tree.TreeModel; |
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import javax.swing.tree.TreePath; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLayers; |
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public class DnDJTree extends JTree |
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implements TreeSelectionListener, |
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DragGestureListener, DropTargetListener, |
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public void drop(DropTargetDropEvent e) {
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try {
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Transferable tr = e.getTransferable(); |
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//flavor not supported, reject drop |
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if (!tr.isDataFlavorSupported( TocItemBranch.INFO_FLAVOR)) e.rejectDrop(); |
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//cast into appropriate data type |
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TocItemBranch childInfo = |
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(TocItemBranch) tr.getTransferData( TocItemBranch.INFO_FLAVOR ); |
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//get new parent node |
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Point loc = e.getLocation(); |
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TreePath destinationPath = getPathForLocation(loc.x, loc.y); |
| ... | ... | |
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}); |
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return; |
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} |
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int oldPos,newPos; |
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boolean isContainer=false; |
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int posActual,newPos; |
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DefaultMutableTreeNode nodoTocado = |
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DefaultMutableTreeNode nodoTocado = |
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(DefaultMutableTreeNode) destinationPath.getLastPathComponent(); |
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// Para no tener en cuenta los nodos de s?mbolos: |
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if (!(nodoTocado.getUserObject() instanceof TocItemBranch)) |
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{
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// get old parent node |
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DefaultMutableTreeNode oldParent = (DefaultMutableTreeNode) getSelectedNode().getParent(); |
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oldPos = oldParent.getIndex(getSelectedNode()); |
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// Para no tener en cuenta los nodos de s?mbolos: |
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if (!(nodoTocado.getUserObject() instanceof TocItemBranch)){
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nodoTocado = (DefaultMutableTreeNode) nodoTocado.getParent(); |
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} |
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//get old parent node |
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DefaultMutableTreeNode oldParent = (DefaultMutableTreeNode) getSelectedNode().getParent(); |
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posActual = oldParent.getIndex(getSelectedNode()); |
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newPos = oldParent.getIndex(nodoTocado); |
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///posActual = oldParent.getIndex(getSelectedNode()); |
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//Destino |
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DefaultMutableTreeNode destParent=null; |
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if (((TocItemBranch)nodoTocado.getUserObject()).getLayer() instanceof FLayers){
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isContainer=true; |
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newPos=0; |
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destParent=nodoTocado; |
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}else{//Si donde se deja la capa seleccionada no es un contenedor de capas.
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destParent= (DefaultMutableTreeNode)nodoTocado.getParent(); |
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newPos=destParent.getIndex(nodoTocado); |
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} |
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int action = e.getDropAction(); |
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boolean copyAction = (action == DnDConstants.ACTION_COPY); |
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//make new child node |
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DefaultMutableTreeNode newChild = new DefaultMutableTreeNode(childInfo); |
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try {
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if (getSelectedNode().getAllowsChildren()){
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int childs=getSelectedNode().getChildCount(); |
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for (int i=0;i<childs;i++){
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newChild.add((MutableTreeNode)getSelectedNode().getChildAt(0)); |
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} |
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} |
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try {
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if (!copyAction) oldParent.remove(getSelectedNode()); |
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oldParent.insert(newChild,newPos);
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destParent.insert(newChild,newPos);
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// newParent.add(newChild); |
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if (copyAction) e.acceptDrop (DnDConstants.ACTION_COPY); |
| ... | ... | |
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catch (java.lang.IllegalStateException ils) {
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e.rejectDrop(); |
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} |
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e.getDropTargetContext().dropComplete(true); |
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//expand nodes appropriately - this probably isnt the best way... |
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DefaultTreeModel model = (DefaultTreeModel) getModel(); |
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model.reload(oldParent); |
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callListeners(posActual, newPos); |
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model.reload(destParent); |
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if (oldParent.getUserObject() instanceof TocItemBranch){
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FLayers lpo=(FLayers)((TocItemBranch)oldParent.getUserObject()).getLayer(); |
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FLayers lpd=(FLayers)((TocItemBranch)destParent.getUserObject()).getLayer(); |
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if (destParent.equals(oldParent)){
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callListeners(oldPos,newPos,lpd); |
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///callListeners((FLayers)((TocItemBranch)oldParent.getUserObject()).getLayer(),(FLayers)((TocItemBranch)destParent.getUserObject()).getLayer(),((TocItemBranch)newChild.getUserObject()).getLayer(),newPos); |
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}else{
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callListeners(lpo,lpd,((TocItemBranch)newChild.getUserObject()).getLayer()); |
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/// callListeners(newPos,newPos+1); |
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} |
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} |
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///callListeners(posActual, newPos); |
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/* model.reload(newParent); |
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TreePath parentPath = new TreePath(newParent.getPath()); |
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expandPath(parentPath); */ |
| ... | ... | |
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public boolean removeOrderListener(ITocOrderListener arg0) {
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return m_Listeners.remove(arg0); |
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} |
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private void callListeners(int oldPos, int newPos) |
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private void callListeners(int oldPos, int newPos,FLayers lpd)
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{
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for (int i=0; i < m_Listeners.size(); i++) |
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{
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ITocOrderListener listener = (ITocOrderListener) m_Listeners.get(i); |
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listener.orderChanged(oldPos, newPos); |
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listener.orderChanged(oldPos, newPos,lpd);
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} |
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} |
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private void callListeners(FLayers lpo,FLayers lpd,FLayer ls){
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for (int i=0; i < m_Listeners.size(); i++) |
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{
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ITocOrderListener listener = (ITocOrderListener) m_Listeners.get(i); |
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listener.parentChanged(lpo,lpd,ls); |
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} |
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} |
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} //end of DnDJTree |
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