Re: [oXygen-user] Intercepting keyboard

31 May 2011

      Hi Jirka,

Oxygen support for creating Java plugins and deploying them in the 
"OXYGEN_INSTALL_DIR/plugins" directory.

In our plugins development kit:
http://www.oxygenxml.com/developer.html#Developer_Plugins

there is a Workspace Access plugin type sample implementation 
(ro.sync.sample.plugin.workspace.CustomWorkspaceAccessPluginExtension).

Using a Workspace Access plugin you can register a listener to be 
notified when an editor in Oxygen is selected for example (or when the 
editor page is switched).

Here is one sample Java code approach to what you want, based on 
registering listeners both in the Author and the Text pages:
...
@Override
          public void editorSelected(URL editorLocation) {
            try {
              WSEditor editorAccess = pluginWorkspaceAccess.getCurrentEditorAccess(StandalonePluginWorkspace.MAIN_EDITING_AREA);
              if(editorAccess != null) {
                if(EditorPageConstants.PAGE_AUTHOR.equals(editorAccess.getCurrentPageID())){
                  final WSAuthorEditorPage authorPage = (WSAuthorEditorPage) editorAccess.getCurrentPage();
                  authorPage.getDocumentController().addAuthorListener(new AuthorListenerAdapter() {
                    /**
                     * @see ro.sync.ecss.extensions.api.AuthorListenerAdapter#contentInserted(ro.sync.ecss.extensions.api.DocumentContentInsertedEvent)
                     */
                    @Override
                    public void contentInserted(DocumentContentInsertedEvent e) {
                      try {
                        if("-".equals(e.getInsertedText())) {
                          //Look if there is another one to the left
                          Segment seg = new Segment();
                          authorPage.getDocumentController().getChars(e.getOffset() - 1, 1, seg);
                          if("-".equals(seg.toString())) {
                            //Remove both "-" and insert your own char.
                            authorPage.getDocumentController().delete(e.getOffset() - 1, e.getOffset());
                            authorPage.getDocumentController().insertText(e.getOffset() - 1, "CUSTOM_REPLACEMENT");
                          }
                        }
                      } catch(Exception ex) {
                        ex.printStackTrace();
                      }
                    }
                  });
                } else  if(EditorPageConstants.PAGE_TEXT.equals(editorAccess.getCurrentPageID())){
                  final WSTextEditorPage textPage = (WSTextEditorPage) editorAccess.getCurrentPage();
                  textPage.getDocument().addDocumentListener(new DocumentListener() {
                    public void removeUpdate(DocumentEvent e) {
                    }
                    public void insertUpdate(DocumentEvent e) {
                      // TODO About the same approach as in the Author page.
                    }
                    public void changedUpdate(DocumentEvent e) {
                    }
                  });
                }
              }
            } catch(Exception ex) {
              ex.printStackTrace();
            }
          };
The sample is not complete, you have to remove listeners when another 
editor is selected and also add them when the editor page changes.

Regards,
Radu

Radu Coravu
<oXygen/>  XML Editor, Schema Editor and XSLT Editor/Debugger
http://www.oxygenxml.com

On 5/30/2011 5:30 PM, Jirka Kosek wrote:
...
Hi,
for one project I need to customize Author View (and Text View if
possible as well) to emit en-dash characters when "-" is pressed twice
and em-dash when "-" is presed three times.
I was studying SDK but so far I have no idea how to do this. Any clue?
Thanks,
Jirka
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