com.google.dart.tools.ui.internal.refactoring.InlineMethodInputPage.java Source code

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Here is the source code for com.google.dart.tools.ui.internal.refactoring.InlineMethodInputPage.java

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/*
 * Copyright (c) 2012, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 * 
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.dart.tools.ui.internal.refactoring;

import com.google.dart.tools.core.model.DartModelException;
import com.google.dart.tools.internal.corext.refactoring.code.InlineMethodRefactoring;
import com.google.dart.tools.internal.corext.refactoring.util.Messages;
import com.google.dart.tools.ui.DartElementLabels;
import com.google.dart.tools.ui.DartPluginImages;
import com.google.dart.tools.ui.internal.text.DartHelpContextIds;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.ui.refactoring.UserInputWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.PlatformUI;

public class InlineMethodInputPage extends UserInputWizardPage {

    public static final String PAGE_NAME = "InlineMethodInputPage";//$NON-NLS-1$
    private static final String DESCRIPTION = RefactoringMessages.InlineMethodInputPage_description;

    private InlineMethodRefactoring fRefactoring;
    private Button fRemove;

    public InlineMethodInputPage() {
        super(PAGE_NAME);
        setImageDescriptor(DartPluginImages.DESC_WIZBAN_REFACTOR_CU);
        setDescription(DESCRIPTION);
    }

    @Override
    public void createControl(Composite parent) {
        initializeDialogUnits(parent);
        fRefactoring = (InlineMethodRefactoring) getRefactoring();

        Composite result = new Composite(parent, SWT.NONE);
        setControl(result);
        GridLayout layout = new GridLayout();
        result.setLayout(layout);
        GridData gd = null;

        boolean all = fRefactoring.getInitialMode() == InlineMethodRefactoring.Mode.INLINE_ALL;
        Label label = new Label(result, SWT.NONE);
        String methodLabel = DartElementLabels.getElementLabel(fRefactoring.getMethod(),
                DartElementLabels.ALL_DEFAULT | DartElementLabels.M_FULLY_QUALIFIED);
        label.setText(Messages.format(RefactoringMessages.InlineMethodInputPage_inline_method, methodLabel));
        label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        Composite separator = new Composite(result, SWT.NONE);
        separator.setLayoutData(new GridData(0, 0));

        Button radioAll = new Button(result, SWT.RADIO);
        radioAll.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        radioAll.setText(RefactoringMessages.InlineMethodInputPage_all_invocations);
        radioAll.setSelection(all);
        radioAll.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent event) {
                fRemove.setEnabled(fRefactoring.canEnableDeleteSource());
                if (((Button) event.widget).getSelection()) {
                    changeRefactoring(InlineMethodRefactoring.Mode.INLINE_ALL);
                }
            }
        });

        fRemove = new Button(result, SWT.CHECK);
        gd = new GridData(GridData.FILL_HORIZONTAL);
        gd.horizontalIndent = convertWidthInCharsToPixels(3);
        fRemove.setLayoutData(gd);
        fRemove.setText(RefactoringMessages.InlineMethodInputPage_delete_declaration);
        fRemove.setEnabled(all && fRefactoring.canEnableDeleteSource());
        fRemove.setSelection(fRefactoring.canEnableDeleteSource());
        fRefactoring.setDeleteSource(fRefactoring.canEnableDeleteSource());
        fRemove.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                fRefactoring.setDeleteSource(((Button) e.widget).getSelection());
            }
        });

        Button radioSelected = new Button(result, SWT.RADIO);
        radioSelected.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        radioSelected.setText(RefactoringMessages.InlineMethodInputPage_only_selected);
        radioSelected.setSelection(!all);
        if (all) {
            radioSelected.setEnabled(false);
            radioAll.setFocus();
        } else {
            radioSelected.setFocus();
        }
        radioSelected.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent event) {
                fRemove.setEnabled(false);
                if (((Button) event.widget).getSelection()) {
                    changeRefactoring(InlineMethodRefactoring.Mode.INLINE_SINGLE);
                }
            }
        });

        Dialog.applyDialogFont(result);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(),
                DartHelpContextIds.INLINE_METHOD_WIZARD_PAGE);
    }

    private void changeRefactoring(InlineMethodRefactoring.Mode mode) {
        RefactoringStatus status;
        try {
            status = fRefactoring.setCurrentMode(mode);
        } catch (DartModelException e) {
            status = RefactoringStatus.createFatalErrorStatus(e.getMessage());
        }
        setPageComplete(status);
    }

}