org.jetbrains.plugins.groovy.annotator.intentions.GroovyCreateClassDialog.java Source code

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Here is the source code for org.jetbrains.plugins.groovy.annotator.intentions.GroovyCreateClassDialog.java

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/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.jetbrains.plugins.groovy.annotator.intentions;

import com.intellij.CommonBundle;
import com.intellij.ide.util.PackageChooserDialog;
import com.intellij.ide.util.PackageUtil;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CustomShortcutSet;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.editor.event.DocumentAdapter;
import com.intellij.openapi.editor.event.DocumentEvent;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.openapi.ui.FixedSizeButton;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Ref;
import com.intellij.psi.JavaPsiFacade;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiJavaPackage;
import com.intellij.psi.PsiNameHelper;
import com.intellij.refactoring.util.RefactoringMessageUtil;
import com.intellij.ui.EditorTextField;
import com.intellij.util.IncorrectOperationException;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.codeInspection.GroovyInspectionBundle;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

public class GroovyCreateClassDialog extends DialogWrapper {
    private JPanel myContentPane;
    private JLabel myInformationLabel;
    private EditorTextField myPackageTextField;
    private JButton myPackageChooseButton;
    private PsiDirectory myTargetDirectory;
    private final Project myProject;
    private final String myClassName;
    private final Module myModule;

    public GroovyCreateClassDialog(Project project, String title, String targetClassName, String targetPackageName,
            Module module) {
        super(project, true);
        myClassName = targetClassName;
        myProject = project;
        myModule = module;
        setModal(true);
        setTitle(title);

        myInformationLabel.setText(title);
        myPackageTextField.setText(targetPackageName != null ? targetPackageName : "");

        init();

        myPackageChooseButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                PackageChooserDialog chooser = new PackageChooserDialog(
                        GroovyInspectionBundle.message("dialog.create.class.package.chooser.title"), myProject);
                chooser.selectPackage(myPackageTextField.getText());
                chooser.show();
                PsiJavaPackage aPackage = chooser.getSelectedPackage();
                if (aPackage != null) {
                    myPackageTextField.setText(aPackage.getQualifiedName());
                }
            }
        });
    }

    private void createUIComponents() {
        myPackageTextField = new EditorTextField();
        myPackageChooseButton = new FixedSizeButton(myPackageTextField);
    }

    @Nullable
    protected JComponent createCenterPanel() {
        myPackageTextField.getDocument().addDocumentListener(new DocumentAdapter() {
            @Override
            public void documentChanged(DocumentEvent e) {
                PsiNameHelper nameHelper = JavaPsiFacade.getInstance(myProject).getNameHelper();
                String packageName = getPackageName();
                getOKAction().setEnabled(
                        nameHelper.isQualifiedName(packageName) || packageName != null && packageName.isEmpty());
            }
        });

        new AnAction() {
            public void actionPerformed(AnActionEvent e) {
                myPackageChooseButton.doClick();
            }
        }.registerCustomShortcutSet(
                new CustomShortcutSet(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, InputEvent.SHIFT_DOWN_MASK)),
                myPackageTextField);

        return myContentPane;
    }

    public JComponent getContentPane() {
        return myContentPane;
    }

    public PsiDirectory getTargetDirectory() {
        return myTargetDirectory;
    }

    @NotNull
    protected Action[] createActions() {
        return new Action[] { getOKAction(), getCancelAction(), getHelpAction() };
    }

    public JComponent getPreferredFocusedComponent() {
        return myPackageTextField;
    }

    private String getPackageName() {
        String name = myPackageTextField.getText();
        return name != null ? name.trim() : "";
    }

    protected void doOKAction() {
        final String packageName = getPackageName();

        final Ref<String> errorStringRef = new Ref<String>();
        CommandProcessor.getInstance().executeCommand(myProject, new Runnable() {
            public void run() {
                try {
                    final PsiDirectory baseDir = myModule == null ? null
                            : PackageUtil.findPossiblePackageDirectoryInModule(myModule, packageName);
                    myTargetDirectory = myModule == null ? null
                            : PackageUtil.findOrCreateDirectoryForPackage(myModule, packageName, baseDir, true);
                    if (myTargetDirectory == null) {
                        errorStringRef.set("");
                        return;
                    }
                    errorStringRef
                            .set(RefactoringMessageUtil.checkCanCreateClass(myTargetDirectory, getClassName()));
                } catch (IncorrectOperationException e) {
                    errorStringRef.set(e.getMessage());
                }
            }
        }, GroovyInspectionBundle.message("create.directory.command"), null);

        if (errorStringRef.get() != null) {
            if (errorStringRef.get().length() > 0) {
                Messages.showMessageDialog(myProject, errorStringRef.get(), CommonBundle.getErrorTitle(),
                        Messages.getErrorIcon());
            }
            return;
        }
        super.doOKAction();
    }

    public String getClassName() {
        return myClassName;
    }

}