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From Pierre-Arnaud Marcelot>
Subject Re: [Studio] Adding extensibility to Entry Editor
Date Wed, 12 Aug 2009 15:19:41 GMT
Stefan S.,
FYI, here's how to access the properties of the General Preference page of
Eclipse for "Open mode":

   IPreferenceConstants.OPEN_ON_SINGLE_CLICK );
   IPreferenceConstants.SELECT_ON_HOVER );
   - OPEN_AFTER_DELAY ("Open when using arrow keys" in the preference page)
    --  WorkbenchPlugin.getDefault().getPreferenceStore().getBoolean(
   IPreferenceConstants.OPEN_AFTER_DELAY );

Eclipse is using the "OpenStrategy.setOpenMethod(singleClickMethod);"
instruction to set the open mode globally.

And uses this code to determine if an object should be opened:

OpenStrategy handler = new OpenStrategy(control);

handler.addOpenListener(new IOpenEventListener() {

public void handleOpen(SelectionEvent e) {

... // code to handle the open event.




On Wed, Aug 12, 2009 at 2:30 PM, Pierre-Arnaud Marcelot <>wrote:

> Hi all,
> Yesterday Stefan created the extension point and I created a preference
> page where the user will be able to reorder the editors.
> When it is defined in the plugin.xml file of a plugin, each Entry Editor is
> assigned a priority.
> This priority is an integer based property.
> All Entry Editors are sorted by priority.
> When a new editor needs to be opened, we're going to get an ordered list of
> these Entry Editors and iterate on this list
> until we find an editor that can handle ('boolean canHandle(...)' method)
> the given entry.
> Stefan and I would like to allow the user to reorder the editors via the
> preference page.
> As soon as the user reorders the editors, the original priority value is
> discarded and the user's order is saved in the plugin's preferences.
> Now, I have a question.
> Let's say the user has re-organized the Entry Editors and he adds a new
> plugin that has a new entry editor.
> At the next launch of Apache Directory Studio, we'll notice that a new
> Entry Editor is available, but what should we do with it ? Where should we
> place it in the Entry Editors order ?
> I think we should discard the priority information since the user has
> defined his own order and that this new editor should be placed at the end
> of the list.
> Thoughts ?
> Thanks,
> Pierre-Arnaud
> On Mon, Aug 10, 2009 at 6:00 PM, Pierre-Arnaud Marcelot <>wrote:
>> Hi all,
>> We've had an interesting discussing on IRC with Stefan S. about adding
>> extensibility to the Entry Editor.
>> We'd like to introduce a new mechanism to allow the addition of new
>> editors.
>> This will allow us to have for example a single-window editor and a
>> multi-window editor for entries.
>> To do so, we'll introduce a new custom extension point with the following
>> properties:
>>    - the class name of the editor
>>    - a name
>>    - if it is single-window or multi-window
>>    - a priority
>>    - an image
>>    - a description
>> The class of the editor should implement our Editor's interface which
>> defines only one method:
>>    - boolean canHandle(IEntry entry) /** This method indicates if the
>>    editor can handle the given entry. */
>> This feature should be part of the 1.5 release of Studio
>> Regards
>> Pierre-Arnaud

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