ColumnsLockingPanel.java

/*******************************************************************************
 * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
 * which accompanies this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * Contributors:
 *     Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.mappingsplugin.ui.descriptor.relational;

import java.awt.Component;
import java.awt.GridBagConstraints;
import java.awt.Insets;

import javax.swing.JPanel;
import javax.swing.JRadioButton;

import org.eclipse.persistence.tools.workbench.framework.context.WorkbenchContextHolder;
import org.eclipse.persistence.tools.workbench.framework.ui.view.AbstractSubjectPanel;
import org.eclipse.persistence.tools.workbench.framework.uitools.SwingTools;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWTableDescriptorLockingPolicy;
import org.eclipse.persistence.tools.workbench.uitools.ComponentEnabler;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyAspectAdapter;
import org.eclipse.persistence.tools.workbench.uitools.app.PropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.TransformationPropertyValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.ValueModel;
import org.eclipse.persistence.tools.workbench.uitools.app.swing.RadioButtonModelAdapter;



final class ColumnsLockingPanel extends AbstractSubjectPanel {

    private PropertyValueModel optimisticFieldsLockingPolicyTypeModel;

    ColumnsLockingPanel(PropertyValueModel lockingPolicyHolder, WorkbenchContextHolder contextHolder) {
        super(lockingPolicyHolder, contextHolder);
    }

    protected void initialize(ValueModel subjectHolder) {
        super.initialize(subjectHolder);
        this.optimisticFieldsLockingPolicyTypeModel = buildOptimisticFieldsLockingPolicyTypeValueHolder();
    }

    protected void initializeLayout() {
        GridBagConstraints constraints = new GridBagConstraints();

        JRadioButton allFieldsLocking = buildAllFieldsLockingButton();

        constraints.gridx            = 0;
        constraints.gridy            = 0;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 0;
        constraints.weighty        = 0;
        constraints.fill            = GridBagConstraints.NONE;
        constraints.anchor        = GridBagConstraints.LINE_START;
        constraints.insets        = new Insets(0, 0, 0, 0);

        add(allFieldsLocking, constraints);

        JRadioButton changedFieldsLocking = buildChangedFieldsLockingButton();

        constraints.gridx            = 0;
        constraints.gridy            = 1;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 0;
        constraints.weighty        = 0;
        constraints.fill            = GridBagConstraints.NONE;
        constraints.anchor        = GridBagConstraints.LINE_START;
        constraints.insets        = new Insets(0, 0, 0, 0);

        add(changedFieldsLocking, constraints);

        JRadioButton selectedFieldsButton = buildSelectedFieldsLockingButton();

        constraints.gridx            = 0;
        constraints.gridy            = 2;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 1;
        constraints.weighty        = 1;
        constraints.fill            = GridBagConstraints.NONE;
        constraints.anchor        = GridBagConstraints.LINE_START;
        constraints.insets        = new Insets(0, 0, 0, 0);

        add(selectedFieldsButton, constraints);

        JPanel addRemoveFieldPanel = buildFieldsLockingFieldAddRemovePanel();

        constraints.gridx            = 0;
        constraints.gridy            = 3;
        constraints.gridwidth    = 1;
        constraints.gridheight    = 1;
        constraints.weightx        = 1;
        constraints.weighty        = 0;
        constraints.fill            = GridBagConstraints.HORIZONTAL;
        constraints.anchor        = GridBagConstraints.CENTER;
        constraints.insets        = new Insets(0, SwingTools.checkBoxIconWidth(), 0, 0);

        add(addRemoveFieldPanel, constraints);

        buildFieldsLockingPanelEnabler(new Component[] {allFieldsLocking, changedFieldsLocking,
                                                        selectedFieldsButton});

    }


    private JRadioButton buildAllFieldsLockingButton() {
        return buildRadioButton(
                    "LOCKING_POLICY_ALL_FIELDS_LOCKING",
                    new RadioButtonModelAdapter(
                            this.optimisticFieldsLockingPolicyTypeModel,
                        MWTableDescriptorLockingPolicy.OPTIMISTIC_COLUMNS_ALL_COLUMNS
                    )
                );
    }


    private JRadioButton buildChangedFieldsLockingButton() {
        return buildRadioButton(
                    "LOCKING_POLICY_CHANGED_FIELDS_LOCKING",
                    new RadioButtonModelAdapter(
                            this.optimisticFieldsLockingPolicyTypeModel,
                        MWTableDescriptorLockingPolicy.OPTIMISTIC_COLUMNS_CHANGED_COLUMNS
                    )
                );
    }

    private JRadioButton buildSelectedFieldsLockingButton() {
        return buildRadioButton(
                    "LOCKING_POLICY_SELECTED_FIELDS_LOCKING",
                    new RadioButtonModelAdapter(
                        this.optimisticFieldsLockingPolicyTypeModel,
                        MWTableDescriptorLockingPolicy.OPTIMISTIC_COLUMNS_SELECTED_COLUMNS
                    )
                );
    }

    private PropertyValueModel buildOptimisticFieldsLockingPolicyTypeValueHolder() {
        return new PropertyAspectAdapter(getSubjectHolder(),
                    MWTableDescriptorLockingPolicy.OPTIMISTIC_COLUMNS_LOCKING_TYPE_PROPERTY) {
            protected Object getValueFromSubject() {
                return ((MWTableDescriptorLockingPolicy) subject).getOptimisticColumnsLockingType();
            }

            protected void setValueOnSubject(Object value) {
                ((MWTableDescriptorLockingPolicy) subject).setOptimisticColumnsLockingType((String) value);
            }
        };
    }

    private JPanel buildFieldsLockingFieldAddRemovePanel() {
        RelationalLockingColumnsPanel fieldsPanel =
                new RelationalLockingColumnsPanel((PropertyValueModel) getSubjectHolder(), getWorkbenchContextHolder());

        buildSelectedFieldsPanelEnabler(fieldsPanel);

        return fieldsPanel;
    }

    private ComponentEnabler buildFieldsLockingPanelEnabler(Component[] components) {
        PropertyValueModel booleanHolder = new TransformationPropertyValueModel(this.optimisticFieldsLockingPolicyTypeModel) {
            protected Object transform(Object value) {
                return Boolean.valueOf(value != null);
            }
        };
        return new ComponentEnabler(booleanHolder, components);
    }

    private ComponentEnabler buildSelectedFieldsPanelEnabler(Component component) {
        PropertyValueModel booleanHolder = new TransformationPropertyValueModel(this.optimisticFieldsLockingPolicyTypeModel) {
            protected Object transform(Object value) {
                if (value == null) {
                    return null;
                }

                return Boolean.valueOf(MWTableDescriptorLockingPolicy.OPTIMISTIC_COLUMNS_SELECTED_COLUMNS.equals(value));
            }
        };
        return new ComponentEnabler(booleanHolder, new Component[] {component});
    }

}