com.intellij.uiDesigner.actions.DataBindingWizardAction.java Source code

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Here is the source code for com.intellij.uiDesigner.actions.DataBindingWizardAction.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 com.intellij.uiDesigner.actions;

import com.intellij.CommonBundle;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleUtil;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiClass;
import com.intellij.uiDesigner.FormEditingUtil;
import com.intellij.uiDesigner.UIDesignerBundle;
import com.intellij.uiDesigner.designSurface.GuiEditor;
import com.intellij.uiDesigner.lw.LwComponent;
import com.intellij.uiDesigner.lw.LwContainer;
import com.intellij.uiDesigner.lw.LwRootContainer;
import com.intellij.uiDesigner.wizard.DataBindingWizard;
import com.intellij.uiDesigner.wizard.Generator;
import com.intellij.uiDesigner.wizard.WizardData;

import java.text.MessageFormat;

/**
 * @author Anton Katilin
 * @author Vladimir Kondratyev
 */
public final class DataBindingWizardAction extends AnAction {
    private static final Logger LOG = Logger
            .getInstance("#com.intellij.uiDesigner.actions.DataBindingWizardAction");

    public void actionPerformed(final AnActionEvent e) {
        final Project project;
        final VirtualFile formFile;
        GuiEditor editor = FormEditingUtil.getActiveEditor(e.getDataContext());
        assert editor != null;
        project = editor.getProject();
        formFile = editor.getFile();

        try {
            final WizardData wizardData = new WizardData(project, formFile);

            final Module module = ModuleUtil.findModuleForFile(formFile, wizardData.myProject);
            LOG.assertTrue(module != null);

            final LwRootContainer[] rootContainer = new LwRootContainer[1];
            Generator.exposeForm(wizardData.myProject, formFile, rootContainer);
            final String classToBind = rootContainer[0].getClassToBind();
            if (classToBind == null) {
                Messages.showInfoMessage(project, UIDesignerBundle.message("info.form.not.bound"),
                        UIDesignerBundle.message("title.data.binding.wizard"));
                return;
            }

            final PsiClass boundClass = FormEditingUtil.findClassToBind(module, classToBind);
            if (boundClass == null) {
                Messages.showErrorDialog(project,
                        UIDesignerBundle.message("error.bound.to.not.found.class", classToBind),
                        UIDesignerBundle.message("title.data.binding.wizard"));
                return;
            }

            Generator.prepareWizardData(wizardData, boundClass);

            if (!hasBinding(rootContainer[0])) {
                Messages.showInfoMessage(project, UIDesignerBundle.message("info.no.bound.components"),
                        UIDesignerBundle.message("title.data.binding.wizard"));
                return;
            }

            if (!wizardData.myBindToNewBean) {
                final String[] variants = new String[] { UIDesignerBundle.message("action.alter.data.binding"),
                        UIDesignerBundle.message("action.bind.to.another.bean"),
                        CommonBundle.getCancelButtonText() };
                final int result = Messages.showYesNoCancelDialog(project,
                        MessageFormat.format(UIDesignerBundle.message("info.data.binding.regenerate"),
                                wizardData.myBeanClass.getQualifiedName()),
                        UIDesignerBundle.message("title.data.binding"), variants[0], variants[1], variants[2],
                        Messages.getQuestionIcon());
                if (result == 0) {
                    // do nothing here
                } else if (result == 1) {
                    wizardData.myBindToNewBean = true;
                } else {
                    return;
                }
            }

            final DataBindingWizard wizard = new DataBindingWizard(project, formFile, wizardData);
            wizard.show();
        } catch (Generator.MyException exc) {
            Messages.showErrorDialog(project, exc.getMessage(), CommonBundle.getErrorTitle());
        }
    }

    public void update(final AnActionEvent e) {
        e.getPresentation().setVisible(FormEditingUtil.getActiveEditor(e.getDataContext()) != null);
    }

    private static boolean hasBinding(final LwComponent component) {
        if (component.getBinding() != null) {
            return true;
        }

        if (component instanceof LwContainer) {
            final LwContainer container = (LwContainer) component;
            for (int i = 0; i < container.getComponentCount(); i++) {
                if (hasBinding((LwComponent) container.getComponent(i))) {
                    return true;
                }
            }
        }

        return false;
    }
}