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package ro.sync.ecss.extensions.docbook;



import javax.swing.text.BadLocationException;



import ro.sync.ecss.extensions.api.ArgumentDescriptor;

import ro.sync.ecss.extensions.api.ArgumentsMap;

import ro.sync.ecss.extensions.api.AuthorAccess;

import ro.sync.ecss.extensions.api.AuthorOperation;

import ro.sync.ecss.extensions.api.AuthorOperationException;

import ro.sync.ecss.extensions.api.node.AuthorNode;



/**

 * Insert an index term.

 */

public class InsertIndexTermOperation implements AuthorOperation {



  /**

   * @see ro.sync.ecss.extensions.api.AuthorOperation#doOperation(ro.sync.ecss.extensions.api.AuthorAccess, ro.sync.ecss.extensions.api.ArgumentsMap)

   */

  public void doOperation(AuthorAccess authorAccess, ArgumentsMap args)

      throws IllegalArgumentException, AuthorOperationException {

    String selectedText = authorAccess.getEditorAccess().getSelectedText();

    if(selectedText != null && !selectedText.isEmpty()) {

      //We can make an index term from it.

      

      //Keep the caret position, we'll come back to it

      int currentCaretPos = authorAccess.getEditorAccess().getCaretOffset();

      

      //Find the insert position.

      try {

        //The end of the current element

        AuthorNode toInsertIn = authorAccess.getDocumentController().getNodeAtOffset(currentCaretPos);

        //But maybe it is an inline

        //Go up to find a paragraph

        while(! "para".equals(toInsertIn.getName())) {

          toInsertIn = toInsertIn.getParent();

        }

        if(toInsertIn != null) {

          authorAccess.getDocumentController().insertXMLFragment("<indexterm xmlns=\"http://docbook.org/ns/docbook\"><primary>" + selectedText + "</primary></indexterm>", toInsertIn.getEndOffset());

          //And move the cursor back

          authorAccess.getEditorAccess().setCaretPosition(currentCaretPos);

        }

      } catch (BadLocationException e) {

        e.printStackTrace();

      }

    }

  }



  /**

   * @see ro.sync.ecss.extensions.api.AuthorOperation#getArguments()

   */

  public ArgumentDescriptor[] getArguments() {

    return null;

  }



  /**

   * @see ro.sync.ecss.extensions.api.Extension#getDescription()

   */

  public String getDescription() {

    return "Insert index term";

  }

}