Examples of org.eclipse.ui.commands.HandlerSubmission

org.eclipse.ui.commands.HandlerSubmission

An instance of this class represents a request to handle a command. A handler submission specifies a list of conditions under which it would be appropriate for a particular command to have a particular handler. These conditions include things like the active part or the active shell. So, it is possible to say things like: "when my part is active, please consider calling these classes when you want to perform a cut, copy or paste".

The workbench considers all of the submissions it has received and choses the ones it views as the best possible match.

This class is not intended to be extended by clients.

Note: this class has a natural ordering that is inconsistent with equals.
@since 3.0 @see org.eclipse.ui.commands.IWorkbenchCommandSupport @deprecated Please use IHandlerService.activateHandlerinstead. @see org.eclipse.ui.handlers.IHandlerService

                } else {
                    replacementSubmission = enabledSubmission;
                }


            } else if (submission instanceof HandlerSubmission) {
                final HandlerSubmission handlerSubmission = (HandlerSubmission) submission;
                if (!workbenchPartSite.equals(handlerSubmission
                        .getActiveWorkbenchPartSite())) {
                    replacementSubmission = new HandlerSubmission(null,
                            handlerSubmission.getActiveShell(),
                            workbenchPartSite,
                            handlerSubmission.getCommandId(), handlerSubmission
                                    .getHandler(), handlerSubmission
                                    .getPriority());
                } else {
                    replacementSubmission = handlerSubmission;
                }

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                parent.deactivateNestedService();
            }


            // Create the new submission
            IHandler handler = new ActionHandler(action);
            HandlerSubmission handlerSubmission = new HandlerSubmission(null,
                    workbenchPartSite.getShell(), workbenchPartSite, commandId,
                    handler, Priority.MEDIUM);
            handlerSubmissionsByCommandId.put(commandId, handlerSubmission);


            // Either submit the new handler myself, or simply re-activate.

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                active = true;
                parent.deactivateNestedService();
            }


            // Remove the current submission, if any.
            HandlerSubmission handlerSubmission = (HandlerSubmission) handlerSubmissionsByCommandId
                    .remove(commandId);


            /*
             * Either activate this service again, or remove the submission
             * myself.
             */
            if (parent != null) {
                if (active) {
                    parent.activateNestedService(this);
                }
            } else {
              if (handlerSubmission != null) {
                    Workbench.getInstance().getCommandSupport()
                            .removeHandlerSubmission(handlerSubmission);
                    handlerSubmission.getHandler().dispose();
                }
            }
        }
    }

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            public Object execute(Map parameter) throws ExecutionException {
                fViewer.doOperation(ISourceViewer.CONTENTASSIST_PROPOSALS);
                return null;
            }
        };
        submission = new HandlerSubmission(null, parent.getShell(), null,
                ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS, handler, Priority.MEDIUM); //$NON-NLS-1$    
    }

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