bundles/org.simantics.spreadsheet.ui/src/org/simantics/spreadsheet/ui/TableDropTargetListener.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.spreadsheet.ui;\r
  13 \r
  14 import java.awt.Point;\r
  15 import java.awt.datatransfer.DataFlavor;\r
  16 import java.awt.datatransfer.Transferable;\r
  17 import java.awt.datatransfer.UnsupportedFlavorException;\r
  18 import java.awt.dnd.DropTargetDragEvent;\r
  19 import java.awt.dnd.DropTargetDropEvent;\r
  20 import java.awt.dnd.DropTargetEvent;\r
  21 import java.io.IOException;\r
  22 \r
  23 import javax.swing.JTable;\r
  24 \r
  25 import org.simantics.spreadsheet.Adaptable;\r
  26 import org.simantics.spreadsheet.CellEditor;\r
  27 import org.simantics.spreadsheet.ClientModel;\r
  28 \r
  29 public class TableDropTargetListener implements java.awt.dnd.DropTargetListener {\r
  30 \r
  31     JTable table;\r
  32     Adaptable model;\r
  33     ClientModel clientModel;\r
  34 \r
  35     public TableDropTargetListener(JTable table, Adaptable model, ClientModel clientModel) {\r
  36         this.table = table;\r
  37         this.model = model;\r
  38         this.clientModel = clientModel;\r
  39     }\r
  40 \r
  41     public void dragEnter(DropTargetDragEvent dropTargetDragEvent) {\r
  42         dropTargetDragEvent.acceptDrag(dropTargetDragEvent.getDropAction());\r
  43         // Setup positioning info for auto-scrolling\r
  44 //    top = Math.abs(getLocation().y);\r
  45 //    bottom = top + getParent().getHeight();\r
  46 //    topRow = getClosestRowForLocation(0, top);\r
  47 //    bottomRow = getClosestRowForLocation(0, bottom);\r
  48 //    insets = new Insets(top + 10, 0, bottom - 10, getWidth());\r
  49     }\r
  50 \r
  51     public void dragExit(DropTargetEvent dropTargetEvent) {\r
  52     }\r
  53 \r
  54     public void dragOver(DropTargetDragEvent dropTargetDragEvent) {\r
  55     }\r
  56 \r
  57     public void dropActionChanged(DropTargetDragEvent dropTargetDragEvent) {\r
  58     }\r
  59 \r
  60     public synchronized void drop(final DropTargetDropEvent dropTargetDropEvent) {\r
  61 \r
  62         Transferable tr = dropTargetDropEvent.getTransferable();\r
  63 \r
  64         if (tr.isDataFlavorSupported(DataFlavor.stringFlavor)) {\r
  65 \r
  66             try {\r
  67 \r
  68                 dropTargetDropEvent.acceptDrop(dropTargetDropEvent.getDropAction());\r
  69 \r
  70                 String data = (String) tr.getTransferData(DataFlavor.stringFlavor);\r
  71 \r
  72                 Point point = dropTargetDropEvent.getLocation();\r
  73                 int row = table.rowAtPoint(point);\r
  74                 int column = table.columnAtPoint(point);\r
  75                 \r
  76                 CellEditor e = (CellEditor)model.getAdapter(CellEditor.class);\r
  77                 TextTableCellEditor editor = new TextTableCellEditor(row, column, "", e, clientModel);\r
  78                 editor.commit();\r
  79 \r
  80             } catch (UnsupportedFlavorException e) {\r
  81                 // TODO Auto-generated catch block\r
  82                 e.printStackTrace();\r
  83             } catch (IOException e) {\r
  84                 // TODO Auto-generated catch block\r
  85                 e.printStackTrace();\r
  86             } catch (IllegalArgumentException e) {\r
  87                 // TODO Auto-generated catch block\r
  88                 e.printStackTrace();\r
  89             }\r
  90 \r
  91         }\r
  92 \r
  93     }\r
  94 \r
  95 }