melnorme.lang.ide.ui.preferences.AbstractPreferencesConfigBlock.java Source code

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Here is the source code for melnorme.lang.ide.ui.preferences.AbstractPreferencesConfigBlock.java

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/*******************************************************************************
 * Copyright (c) 2014, 2014 Bruno Medeiros and other Contributors.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Bruno Medeiros - initial API and implementation
 *******************************************************************************/
package melnorme.lang.ide.ui.preferences;

import static melnorme.utilbox.core.Assert.AssertNamespace.assertNotNull;

import java.util.ArrayList;

import melnorme.lang.ide.ui.preferences.fields.BooleanFieldAdapter;
import melnorme.lang.ide.ui.preferences.fields.ComboFieldAdapter;
import melnorme.lang.ide.ui.preferences.fields.StringFieldAdapter;
import melnorme.lang.ide.ui.utils.DialogPageUtils;
import melnorme.util.swt.SWTFactoryUtil;
import melnorme.util.swt.components.AbstractComponentExt;
import melnorme.util.swt.components.AbstractField;
import melnorme.util.swt.components.fields.ComboBoxField;
import melnorme.util.swt.components.fields.NumberField;
import melnorme.utilbox.ownership.IDisposable;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;

public abstract class AbstractPreferencesConfigBlock extends AbstractComponentExt
        implements IDisposable, IPreferencesBlock {

    protected final ArrayList<IPreferencesComponent> configFields = new ArrayList<>();
    protected final PreferencePage prefPage;
    protected final IPreferenceStore preferenceStore;

    public AbstractPreferencesConfigBlock(PreferencePage prefPage) {
        this.prefPage = assertNotNull(prefPage);
        this.preferenceStore = prefPage.getPreferenceStore();
    }

    @Override
    public void updateComponentFromInput() {
        loadFromStore();
    }

    @Override
    public void loadFromStore() {
        for (IPreferencesComponent configField : configFields) {
            configField.loadFromStore(preferenceStore);
        }
    }

    @Override
    public void saveToStore() {
        for (IPreferencesComponent configField : configFields) {
            configField.saveToStore(preferenceStore);
        }
    }

    @Override
    public void loadStoreDefaults() {
        for (IPreferencesComponent configField : configFields) {
            configField.loadStoreDefaults(preferenceStore);
        }
    }

    @Override
    public void dispose() {
    }

    protected void updateStatus(IStatus status) {
        DialogPageUtils.applyStatusToPreferencePage(status, prefPage);
    }

    protected <T extends IPreferencesComponent> T addConfigComponent(Composite parent, T configControl) {
        configControl.createComponentInlined(parent);
        addConfigComponent(configControl);
        return configControl;
    }

    protected StringFieldAdapter createStringField(Composite parent, String prefKey, AbstractField<String> field) {
        return addConfigComponent(parent, new StringFieldAdapter(prefKey, field));
    }

    protected BooleanFieldAdapter createBooleanField(Composite parent, String prefKey,
            AbstractField<Boolean> field) {
        return addConfigComponent(parent, new BooleanFieldAdapter(prefKey, field));
    }

    protected ComboFieldAdapter createCheckboxField(Composite parent, String prefKey, ComboBoxField field) {
        return addConfigComponent(parent, new ComboFieldAdapter(prefKey, field));
    }

    protected void addConfigComponent(IPreferencesComponent configComponent) {
        configFields.add(configComponent);
    }

    /* -----------------  ----------------- */

    protected Composite createSubsection(Composite parent, String label) {
        return SWTFactoryUtil.createGroup(parent, label, new GridData(SWT.FILL, SWT.CENTER, true, false));
    }

    protected NumberField createNumberField(String label, int textLimit) {
        return new NumberField(label, textLimit) {
            @Override
            protected void statusChanged(IStatus status) {
                updateStatus(status);
            }
        };
    }

}