archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/extensions/ExtensionAction.java

   1 /*
   2  * Created on 17/02/2004
   3  *
   4  */
   5 package com.quantum.extensions;
   6
   7 import java.io.IOException;
   8 import java.io.StringWriter;
   9 import java.util.Iterator;
  10
  11 import javax.xml.parsers.ParserConfigurationException;
  12
  13 import org.eclipse.jface.viewers.StructuredSelection;
  14 import org.eclipse.swt.dnd.TextTransfer;
  15 import org.eclipse.swt.dnd.Transfer;
  16 import org.eclipse.ui.IViewPart;
  17 import org.eclipse.ui.actions.SelectionListenerAction;
  18 import org.w3c.dom.Document;
  19 import org.w3c.dom.Element;
  20
  21 import com.quantum.Messages;
  22 import com.quantum.QuantumPlugin;
  23 import com.quantum.model.xml.ModelToXMLConverter;
  24 import com.quantum.sql.TableRow;
  25 import com.quantum.sql.metadata.MetaDataXMLInterface;
  26 import com.quantum.util.xml.XMLHelper;
  27 import com.quantum.view.bookmark.BookmarkView;
  28 import com.quantum.view.bookmark.EntityNode;
  29 import com.quantum.view.bookmark.TreeNode;
  30 import com.quantum.view.tableview.TableView;
  31
  32 /**
  33  * @author panic
  34  *
  35  * Defines an Action Class to implement extension Actions.
  36  * An external plug-in that wants to extend quantum will
  37  * generate one ExtensionAction object for each action it
  38  * wants to perform.
  39  */
  40 public class ExtensionAction extends SelectionListenerAction {
  41         private IViewPart view;
  42         private IQuantumExtension extension;
  43         private TableRow tableRow;
  44
  45         public ExtensionAction(IViewPart view, String label, String toolTip, IQuantumExtension extension) {
  46                 super(label);
  47                 this.view = view;
  48                 this.extension = extension;
  49
  50                 setText(label);
  51                 setToolTipText(toolTip); //$NON-NLS-1$
  52                 tableRow = null;
  53         }
  54
  55         public void run() {
  56                 if (extension instanceof IMetadataExtension &&  view instanceof BookmarkView)
  57                         runMetadataExtension();
  58                 else if (extension instanceof IDataExtension && view instanceof TableView)
  59                         runDataExtension();
  60         }
  61
  62         /**
  63          *
  64          */
  65         private void runDataExtension() {
  66                 IDataExtension dataExtension = (IDataExtension) extension;
  67                 if (tableRow == null) return;
  68                 Document doc;
  69                 try {
  70                         doc = XMLHelper.createEmptyDocument();
  71                 } catch (ParserConfigurationException e) {
  72                         e.printStackTrace();
  73                         return;
  74                 }
  75                 Element root = (Element) doc.appendChild(doc.createElement(Messages.getString("ExportXMLAction.Metadata"))); //$NON-NLS-1$
  76                 MetaDataXMLInterface.createElementText(root, Messages.getString("ExportXMLAction.Author"), //$NON-NLS-1$
  77                                                                         Messages.getString("ExportXMLAction.Quantum")); //$NON-NLS-1$
  78                 MetaDataXMLInterface.createElementText(root, Messages.getString("ExportXMLAction.Version"), //$NON-NLS-1$
  79                                                                         Messages.getString("ExportXMLAction.XMLVersionNumber")); //$NON-NLS-1$
  80                 ModelToXMLConverter.getInstance().convert(root, tableRow.getEntity() );
  81                 MetaDataXMLInterface.stringMatrixToXML(tableRow.getRowTableData(), doc, root, "DataRow"); //$NON-NLS-1$
  82
  83                 dataExtension.run(doc);
  84         }
  85
  86         private void runMetadataExtension() {
  87                 IMetadataExtension metadataExtension = (IMetadataExtension) extension;
  88                 BookmarkView bookmarkView = (BookmarkView) view;
  89                 StructuredSelection selection = bookmarkView.getSelection();
  90                 if (selection == null) return;
  91                 Document doc;
  92                 try {
  93                         doc = XMLHelper.createEmptyDocument();
  94                 } catch (ParserConfigurationException e) {
  95                         // TODO Auto-generated catch block
  96                         e.printStackTrace();
  97                         return;
  98                 }
  99                 Element root = (Element) doc.appendChild(doc.createElement(Messages.getString("ExportXMLAction.Metadata"))); //$NON-NLS-1$
 100                 MetaDataXMLInterface.createElementText(root, Messages.getString("ExportXMLAction.Author"), //$NON-NLS-1$
 101                                                                         Messages.getString("ExportXMLAction.Quantum")); //$NON-NLS-1$
 102                 MetaDataXMLInterface.createElementText(root, Messages.getString("ExportXMLAction.Version"), //$NON-NLS-1$
 103                                                                         Messages.getString("ExportXMLAction.XMLVersionNumber")); //$NON-NLS-1$
 104                 Iterator iter = selection.iterator();
 105                 while (iter.hasNext()) {
 106                         TreeNode current = (TreeNode) iter.next();
 107                         EntityNode entityNode = (EntityNode) current;
 108                         ModelToXMLConverter.getInstance().convert(root, entityNode.getEntity() );
 109                 }
 110
 111                 StringWriter text = new StringWriter();
 112                 try {
 113                         XMLHelper.write(text, doc);
 114                 } catch (IOException e) {
 115                         e.printStackTrace();
 116                 }
 117                 String textXml = new String(text.getBuffer());
 118                 QuantumPlugin.getDefault().getSysClip().setContents(
 119                         new Object[] { textXml },
 120                         new Transfer[] { TextTransfer.getInstance()});
 121
 122                 metadataExtension.run(doc);
 123         }
 124
 125         /**
 126          * @param row
 127          */
 128         public void addRowData(TableRow row) {
 129                 tableRow = row;
 130         }
 131
 132 }