Examples with IntroduceLetRefactoring org.erlide.wrangler.refactoring.core.internal.IntroduceLetRefactoring used on opensource projects

Example 1 with IntroduceLetRefactoring

use of org.erlide.wrangler.refactoring.core.internal.IntroduceLetRefactoring in project erlide_eclipse by erlang.

the class RefactoringHandler method execute.

@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
    try {
        GlobalParameters.setSelection(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getSelection());
    } catch (final WranglerException e1) {
        MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Error", e1.getMessage());
        return null;
    }
    if (!checkForDirtyEditors()) {
        return null;
    }
    DefaultWranglerRefactoringWizard wizard = null;
    WranglerRefactoring refactoring = null;
    final String actionId = event.getCommand().getId();
    final ArrayList<WranglerPage> pages = new ArrayList<>();
    // apply ad hoc refactoring
    if ("org.erlide.wrangler.refactoring.adhoc".equals(actionId)) {
        final InputDialog dialog = getModuleInput("Apply ad hoc refactoring", "Please type the gen_refac module name!");
        dialog.open();
        if (dialog.getReturnCode() == Window.CANCEL) {
            return null;
        }
        final String callbackModule = dialog.getValue();
        pages.add(new UserRefacInputPage("Apply ad hoc refactoring", "Please type input arguments for this refactoring", "Arguments should not be empty!", new NonEmptyStringValidator()));
        refactoring = new ApplyAdhocElemRefactoring();
        ((ApplyAdhocElemRefactoring) refactoring).setCallbackModuleName(callbackModule);
        if (!((ApplyAdhocElemRefactoring) refactoring).fetchParPrompts()) {
            MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Elementary refactoring error", "Can not load callback module");
            return null;
        }
    // apply user-defined refactoring
    } else if ("org.erlide.wrangler.refactoring.gen_refac".equals(actionId)) {
        final String callbackModule = event.getParameter("org.erlide.wrangler.refactoring.gen_refac.callback");
        final String name = event.getParameter("org.erlide.wrangler.refactoring.gen_refac.name");
        pages.add(new UserRefacInputPage(name, "Please type input arguments for this refactoring", "Arguments should not be empty!", new NonEmptyStringValidator()));
        refactoring = new ApplyUserElementaryRefactoring(name, callbackModule);
        if (!((ApplyUserElementaryRefactoring) refactoring).fetchParPrompts()) {
            MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Refactoring error", "Can not find callback module");
            return null;
        }
    // run rename variable refactoring
    } else if ("org.erlide.wrangler.refactoring.renamevariable".equals(actionId)) {
        refactoring = new RenameVariableRefactoring();
        final SimpleInputPage page = new SimpleInputPage("Rename variable", "Please type the new variable name!", "New variable name:", "New name must be a valid Erlang variable name!", new VariableNameValidator());
        page.setInput(refactoring.getDefaultValue());
        pages.add(page);
    // introduce new variable refactoring
    } else if ("org.erlide.wrangler.refactoring.introducenewvariable".equals(actionId)) {
        pages.add(new SimpleInputPage("Introduce new variable", "Please type the new variable name!", "New variable name:", "New name must be a valid Erlang variable name!", new VariableNameValidator()));
        refactoring = new IntroduceNewVariableRefactoring();
    // run rename function refactoring
    } else if ("org.erlide.wrangler.refactoring.renamefunction".equals(actionId)) {
        refactoring = new RenameFunctionRefactoring();
        final CostumworkFlowInputPage page = new CostumworkFlowInputPage("Rename function", "Please type the new function name!", "New function name:", "New name must be a valid Erlang atom!", new AtomValidator());
        page.setInput(refactoring.getDefaultValue());
        pages.add(page);
    // run extract function refactoring
    } else if ("org.erlide.wrangler.refactoring.extractfunction".equals(actionId)) {
        pages.add(new CostumworkFlowInputPage("Extract function", "Please type a function name!", "Function name:", "Function name must be a valid Erlang atom!", new AtomValidator()));
        refactoring = new ExtractFunctionRefactoring();
    // run rename module refactoring
    } else if ("org.erlide.wrangler.refactoring.renamemodule".equals(actionId)) {
        final boolean answer = MessageDialog.openQuestion(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Warning!", "The requested operation cannot be undone. Would you like to continue?");
        if (!answer) {
            return null;
        }
        refactoring = new RenameModuleRefactoring();
        final CostumworkFlowInputPage page = new CostumworkFlowInputPage("Rename module", "Please type the new module name!", "New module name:", "New module name must be a valid Erlang atom!", new AtomValidator());
        page.setInput(refactoring.getDefaultValue());
        pages.add(page);
    // run move function refactoring
    } else if ("org.erlide.wrangler.refactoring.movefunction".equals(actionId)) {
        final IProject project = ErlangEngine.getInstance().getModelUtilService().getProject(GlobalParameters.getWranglerSelection().getErlElement()).getWorkspaceProject();
        final ArrayList<String> moduleList = WranglerUtils.getModuleNames(project);
        final String moduleName = GlobalParameters.getWranglerSelection().getErlElement().getResource().getName();
        moduleList.remove(WranglerUtils.removeExtension(moduleName));
        pages.add(new ComboInputPage("Move function", "Please select the destination module", "Destination module:", moduleList));
        refactoring = new MoveFunctionRefactoring();
    // run fold expression against a local function
    } else if ("org.erlide.wrangler.refactoring.foldlocalexpression".equals(actionId)) {
        refactoring = new FoldLocalExpressionRefactoring();
        pages.add(new SelectionInputPage("Fold expression", "Please select expression which should be fold!", "Select expressions which should be folded!", (CostumWorkflowRefactoringWithPositionsSelection) refactoring));
    // run fold expression against a remote function
    } else {
        final Shell activeShell = PlatformUI.getWorkbench().getDisplay().getActiveShell();
        if ("org.erlide.wrangler.refactoring.foldremoteexpression".equals(actionId)) {
            // must store the selection, because, the user through the
            // dialog
            // may change it
            final IErlMemberSelection sel = (IErlMemberSelection) GlobalParameters.getWranglerSelection();
            final RemoteFunctionClauseDialog dialog = new RemoteFunctionClauseDialog(activeShell, "Fold expression");
            dialog.open();
            dialog.resetSelection();
            if (dialog.isFinished()) {
                final IErlFunctionClause functionClause = dialog.getFunctionClause();
                refactoring = new FoldRemoteExpressionRefactoring(functionClause, sel);
                pages.add(new SelectionInputPage("Fold expression", "Please select expression which should be fold!", "Select expressions which should be folded!", (CostumWorkflowRefactoringWithPositionsSelection) refactoring));
            } else {
                return null;
            }
        // run introduce macro refactoring
        } else if ("org.erlide.wrangler.refactoring.introducemacro".equals(actionId)) {
            refactoring = new IntroduceMacroRefactoring();
            pages.add(new SimpleInputPage("Introduce macro definition", "Please type the new macro name!", "New macro name:", "Macro name cannot be empty!", new NonEmptyStringValidator()));
        // run rename process refactoring
        } else if ("org.erlide.wrangler.refactoring.renameprocess".equals(actionId)) {
            refactoring = new RenameProcessRefactoring();
            pages.add(new SimpleInputPage("Rename process", "Please type the new process name!", "New process name:", "New process name must be an Erlang atom!", new AtomValidator()));
        // run function to process refactoring
        } else if ("org.erlide.wrangler.refactoring.functiontoprocess".equals(actionId)) {
            refactoring = new FunctionToProcessRefactoring();
            pages.add(new SimpleInputPage("Convert function to process", "Please type the new process name!", "New process name:", "New process name must be an Erlang atom!", new AtomValidator()));
        // run tuple function parameters refactoring
        } else if ("org.erlide.wrangler.refactoring.tuplefunctonparameters".equals(actionId)) {
            refactoring = new TupleFunctionParametersRefactoring();
        // run generalise function refactoring
        } else if ("org.erlide.wrangler.refactoring.generalise".equals(actionId)) {
            /*
                 * pages.add(new CostumworkFlowInputPage("Generalise function",
                 * "Please type the new parameter name!", "New parameter name:",
                 * "New parameter name must be a valid Erlang variable name!",
                 * new VariableNameValidator()));
                 */
            try {
                refactoring = runGenFunRefactoring(pages, activeShell);
            } catch (final OtpErlangRangeException e) {
                ErlLogger.error(e);
                return null;
            }
            if (refactoring == null) {
                return null;
            }
        // fold against macro definition
        } else if ("org.erlide.wrangler.refactoring.foldagainstmacro".equals(actionId)) {
            refactoring = new FoldAgainstMacro();
            pages.add(new SelectionInputPage("Fold against macro definition", "Please select expression which should be fold!", "Select expressions which should be folded!", (CostumWorkflowRefactoringWithPositionsSelection) refactoring));
        // normalize record expression
        } else if ("org.erlide.wrangler.refactoring.normalizerecordexpression".equals(actionId)) {
            final boolean showDefaultFields = MessageDialog.openQuestion(activeShell, "Showing defaults", "Show record fields with default values?");
            refactoring = new NormalizeRecordExpression(showDefaultFields);
        } else if ("org.erlide.wrangler.refactoring.introducelet".equals(actionId)) {
            pages.add(new CostumworkFlowInputPage("Introduce ?LET", "Please type the pattern variable name!", "Pattern variable name:", "New name must be a valid Erlang atom!", new VariableNameValidator()));
            refactoring = new IntroduceLetRefactoring();
        } else if ("org.erlide.wrangler.refactoring.mergelet".equals(actionId)) {
            refactoring = new MergeLetRefactoring();
            pages.add(new SelectionInputPage("Merge ?LET expressions", "Please select expressions which whould be merged!", "Select expressions which should be merged", (CostumWorkflowRefactoringWithPositionsSelection) refactoring));
        } else if ("org.erlide.wrangler.refactoring.mergeforall".equals(actionId)) {
            refactoring = new MergeForAllRefactoring();
            pages.add(new SelectionInputPage("Merge ?FORALL expressions", "Please select expressions which should be merged!", "Select expressions which should be merged", (CostumWorkflowRefactoringWithPositionsSelection) refactoring));
        } else if ("org.erlide.wrangler.refactoring.eqc_statemtorecord".equals(actionId)) {
            refactoring = new EqcStatemStateDataToRecordRefactoring();
            pages.add(new RecordDataInputPage("eqc_statem State Data To Record"));
        } else if ("org.erlide.wrangler.refactoring.eqc_fsmtorecord".equals(actionId)) {
            refactoring = new EqcFsmStateDataToRecordRefactoring();
            pages.add(new RecordDataInputPage("eqc_fsm State Data To Record"));
        } else if ("org.erlide.wrangler.refactoring.gen_fsmtorecord".equals(actionId)) {
            refactoring = new GenFsmStateDataToRecordRefactoring();
            pages.add(new RecordDataInputPage("gen_fsm State Data To Record"));
        } else if ("org.erlide.wrangler.refactoring.unfoldfunctionapplication".equals(actionId)) {
            refactoring = new UnfoldFunctionApplicationRefactoring();
        } else if ("org.erlide.wrangler.refactoring.partitionexports".equals(actionId)) {
            refactoring = new PartitionExportsRefactoring();
            final SimpleInputPage page = new SimpleInputPage("Partition exports", "Please input the the distance treshould between 0.1 and 1.0", "Distance treshold", "The value must be between 0.1 and 1.0", new NormalDoulbeValidator());
            page.setInput("0.8");
            pages.add(page);
        } else {
            return null;
        }
    }
    refactoring.doBeforeRefactoring();
    // run the given refactoring's wizard
    wizard = new DefaultWranglerRefactoringWizard(refactoring, RefactoringWizard.DIALOG_BASED_USER_INTERFACE, pages);
    final Shell shell = new Shell();
    final RefactoringWizardOpenOperation op = new RefactoringWizardOpenOperation(wizard);
    try {
        final int ret = op.run(shell, refactoring.getName());
        if (RefactoringStatus.OK == ret) {
            refactoring.doAfterRefactoring();
        }
    } catch (final Exception e) {
        ErlLogger.error(e);
    }
    checkWarningMessages();
    return null;
}