eclipseprojects/eu.etaxonomy.taxeditor/src/eu/etaxonomy/taxeditor/prototype2/view/nameviewersupport/NameDocumentListener.java

   1 package eu.etaxonomy.taxeditor.prototype2.view.nameviewersupport;
   2
   3 import java.util.Scanner;
   4
   5 import org.eclipse.jface.text.BadLocationException;
   6 import org.eclipse.jface.text.DocumentEvent;
   7 import org.eclipse.jface.text.IDocumentListener;
   8 import org.eclipse.swt.custom.StyledText;
   9 import org.eclipse.swt.events.ModifyEvent;
  10 import org.eclipse.swt.events.ModifyListener;
  11 import org.eclipse.swt.widgets.Composite;
  12 import org.eclipse.swt.widgets.Control;
  13
  14 import eu.etaxonomy.taxeditor.prototype2.view.NameEditorView;
  15
  16 /**
  17  * This listener catches all line breaks other than carriage
  18  *  returns at end-of-line, and creates new name viewers,
  19  *  for instance, if user pastes a block of taxon information.
  20  *
  21  * @author p.ciardelli
  22  *
  23  */
  24 public class NameDocumentListener implements IDocumentListener {
  25
  26
  27         /**
  28          * the View on which createdRelatedName gets called in case of line breaks
  29          */
  30         private NameEditorView nameEditorView;
  31         /**
  32          * the Control after which any new related names are created
  33          */
  34         private Control control;
  35         /**
  36          * the Composite that is resized after any change
  37          */
  38         private Composite parent;
  39
  40         public NameDocumentListener(NameEditorView nameEditorView, Control control,
  41                         Composite parent) {
  42                 this.nameEditorView = nameEditorView;
  43                 this.control = control;
  44                 this.parent = parent;
  45         }
  46
  47         public void documentAboutToBeChanged(DocumentEvent e) {
  48
  49                 String text = e.getText();
  50                 System.out.println("b4: " + e.getText());
  51
  52                 e.fText = "yo";
  53                 System.out.println("aft: " + e.getText());
  54
  55 //              int length = e.getLength();
  56 //              int offset = e.getOffset();
  57 //              int docLength = e.getDocument().getLength(); // length of doc BEFORE insert
  58 //
  59 //              if (text.contains(System.getProperty("line.separator"))) {
  60 //
  61 //                      if (offset < docLength) {
  62                         // remove text following insert from document,
  63                         //  add to insert text
  64 //                              try {
  65 //                                      text += e.getDocument().get(offset, docLength - offset);
  66 //                                      e.getDocument().replace(offset, docLength - offset, "");
  67 //                              } catch (BadLocationException e1) {
  68 //                                      System.out.println(e1.getMessage());
  69 //                                      e1.printStackTrace();
  70 //                              }
  71 //                      }
  72 //
  73 //
  74 //
  75 //                      Scanner scanner = new Scanner( text );
  76 //                      scanner.useDelimiter (System.getProperty("line.separator"));
  77 //
  78 //                      StyledText SText = (StyledText) control;
  79 //                      nameEditorView.createRelatedName(SText, "test");
  80 //                      StyledText lastSText = null;
  81 //                      while (scanner.hasNext()) {
  82 //                              if (lastSText == null)
  83 //                                      e.getDocument().set(scanner.next());
  84 //                              else
  85 //                                      SText = nameEditorView.createRelatedName(SText, scanner.next()).
  86 //                                                      getTextWidget();
  87 //                              lastSText = SText;
  88 //                      }
  89 //
  90 //                      SText.setFocus();
  91 //
  92 //                      // put cursor at EOL of last sourceviewer
  93 //                      SText.setCaretOffset(SText.getText().length());
  94 //
  95 //              }
  96
  97         }
  98
  99         public void documentChanged(DocumentEvent event) {
 100
 101 //              System.out.println("Offset: " + event.getOffset());
 102 //              System.out.println("Get: " + event.getDocument().get());
 103
 104                 String text = event.getDocument().get();
 105
 106                 if (text.endsWith(System.getProperty("line.separator"))) {
 107                         event.getDocument().set(text.trim());
 108                         nameEditorView.createRelatedName(control,"help");
 109                 }
 110 //
 111 //              int breakOffset = text.indexOf(System.getProperty("line.separator"));
 112 //              if (breakOffset > -1) {
 113 //                      try {
 114 //                              event.getDocument().replace(breakOffset, text.length() - breakOffset, "");
 115 //                      } catch (BadLocationException e) {
 116 //                              // TODO Auto-generated catch block
 117 //                              System.out.println(e.getMessage());
 118 //                              e.printStackTrace();
 119 //                      }
 120 //              }
 121
 122 //              if (event.getDocument().get().contains(System.getProperty("line.separator"))) {
 123 //                      Scanner scanner = new Scanner(event.getDocument().get());
 124 //                      scanner.useDelimiter (System.getProperty("line.separator"));
 125 //                      try {
 126 //                              event.getDocument().replace(
 127 //                                              0, event.getDocument().get().length(), scanner.next());
 128 //                      } catch (BadLocationException e) {
 129 //                              // TODO Auto-generated catch block
 130 //                              e.printStackTrace();
 131 //                      }
 132 ////            document.set(scanner.next());
 133 //
 134 //                      while (scanner.hasNext()) {
 135 //                              System.out.println("Create new relname with: " + scanner.next());
 136 //                      }
 137 //              }
 138
 139                 // re-draw parent in case text controls need re-sizing -
 140                 //  could also be the case if databinding has modified text
 141 //              nameEditorView.createRelatedName(control,"help");
 142
 143 //              parent.getParent().layout();
 144         }
 145 }