StringRemoveChange.java example

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package net.sf.jabref.collab;

import javax.swing.JComponent;
import javax.swing.JScrollPane;

import net.sf.jabref.BasePanel;
import net.sf.jabref.BibtexString;
import net.sf.jabref.Globals;
import net.sf.jabref.BibtexDatabase;
import net.sf.jabref.undo.NamedCompound;
import net.sf.jabref.undo.UndoableRemoveString;

public class StringRemoveChange extends Change {

  BibtexString string, inMem;

  InfoPane tp = new InfoPane();
  JScrollPane sp = new JScrollPane(tp);
    private BibtexString tmpString;


    public StringRemoveChange(BibtexString string, BibtexString tmpString, BibtexString inMem) {
        this.tmpString = tmpString;
        name = Globals.lang("Removed string")+": '"+string.getName()+"'";
    this.string = string;
    this.inMem = inMem; // Holds the version in memory. Check if it has been modified...?

    StringBuffer sb = new StringBuffer();
    sb.append("<HTML><H2>");
    sb.append(Globals.lang("Removed string"));
    sb.append("</H2><H3>");
      sb.append(Globals.lang("Label")).append(":</H3>");
    sb.append(string.getName());
    sb.append("<H3>");
      sb.append(Globals.lang("Content")).append(":</H3>");
    sb.append(string.getContent());
    sb.append("</HTML>");
    tp.setText(sb.toString());

  }

  public boolean makeChange(BasePanel panel, BibtexDatabase secondary, NamedCompound undoEdit) {

    try {
      panel.database().removeString(inMem.getId());
      undoEdit.addEdit(new UndoableRemoveString(panel, panel.database(), string));
    } catch (Exception ex) {
      Globals.logger("Error: could not add string '"+string.getName()+"': "+ex.getMessage());
    }

      // Update tmp database:
      secondary.removeString(tmpString.getId());

      return true;
  }


  JComponent description() {
    return sp;
  }


}