bundles/common/org.eclipse.apogy.common.topology.ui.viewer/src/org/eclipse/apogy/common/topology/ui/viewer/preferences/TopologyViewerPreferencesPage.java

/*******************************************************************************
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency
 * 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:
 *     Pierre Allard, 
 *     Regent L'Archeveque,
 *     Sebastien Gemme  - initial API and implementation
 * 
 * SPDX-License-Identifier: EPL-1.0
 *     
 *******************************************************************************/
package org.eclipse.apogy.common.topology.ui.viewer.preferences;

import org.eclipse.apogy.common.topology.ui.viewer.Activator;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.IntegerFieldEditor;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.preference.StringFieldEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

public class TopologyViewerPreferencesPage extends PreferencePage implements IWorkbenchPreferencePage {
	private BooleanFieldEditor viewerVerboseEditor;
	private BooleanFieldEditor viewerAntiAliasingEditor;
	private IntegerFieldEditor viewerMaximumFrameRateEditor;
	private StringFieldEditor navigationLinearLowSpeedFactorEditor;
	private StringFieldEditor navigationLinearHighSpeedFactorEditor;

	/**
	 * Create the preference page.
	 */
	public TopologyViewerPreferencesPage() {
	}

	/**
	 * Create contents of the preference page.
	 * 
	 * @param parent
	 */
	@Override
	public Control createContents(Composite parent) {
		Composite container = new Composite(parent, SWT.NULL);
		container.setLayout(new GridLayout(1, true));

		Group grpViewerSettings = new Group(container, SWT.NONE);
		grpViewerSettings.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
		grpViewerSettings.setLayout(new GridLayout(1, true));
		grpViewerSettings.setText("Viewer Settings");

		this.viewerVerboseEditor = createBooleanFieldEditor(grpViewerSettings,
				TopologyViewerPreferencesConstants.VIEWER_VERBOSE_ID, "Verbose Enabled");

		this.viewerAntiAliasingEditor = createBooleanFieldEditor(grpViewerSettings,
				TopologyViewerPreferencesConstants.VIEWER_ANTI_ALIASING_ID, "Anti-Aliasing Enabled");

		// Viewer frame rate.
		this.viewerMaximumFrameRateEditor = createIntegerFieldEditor(grpViewerSettings,
				TopologyViewerPreferencesConstants.VIEWER_MAX_FRAME_RATE_ID, "Maximum Frame Rate");

		// Navigation Speeds
		Group grpNavigationSpeeds = new Group(container, SWT.NONE);
		grpNavigationSpeeds.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
		grpNavigationSpeeds.setLayout(new GridLayout(1, true));
		grpNavigationSpeeds.setText("Navigation Settings");

		this.navigationLinearLowSpeedFactorEditor = createStringFieldEditor(grpNavigationSpeeds,
				TopologyViewerPreferencesConstants.DEFAULT_LINEAR_LOW_SPEED_FACTOR_ID, "Linear Low Speed Factor");
		this.navigationLinearHighSpeedFactorEditor = createStringFieldEditor(grpNavigationSpeeds,
				TopologyViewerPreferencesConstants.DEFAULT_LINEAR_HIGH_SPEED_FACTOR_ID, "Linear High Speed Factor");

		return container;
	}

	/**
	 * Initialize the preference page.
	 */
	@Override
	public void init(IWorkbench workbench) {
		setPreferenceStore(Activator.getDefault().getPreferenceStore());
	}

	@Override
	public boolean performOk() {
		storePreferences();
		return super.performOk();
	}

	@Override
	protected void performApply() {
		storePreferences();
		super.performApply();
	}

	@Override
	protected void performDefaults() {
		this.viewerVerboseEditor.loadDefault();
		this.viewerAntiAliasingEditor.loadDefault();
		this.viewerMaximumFrameRateEditor.loadDefault();
		this.navigationLinearLowSpeedFactorEditor.loadDefault();
		this.navigationLinearHighSpeedFactorEditor.loadDefault();

		super.performDefaults();
	}

	private StringFieldEditor createStringFieldEditor(final Composite container, final String preferenceID,
			final String preferenceLabel) {
		Composite editorContainer = new Composite(container, SWT.NULL);
		editorContainer.setLayout(new GridLayout(1, true));
		editorContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

		StringFieldEditor editor = new StringFieldEditor(preferenceID, preferenceLabel, editorContainer);

		// Set the editor up to use this page
		editor.setPreferenceStore(getPreferenceStore());
		editor.load();

		return editor;
	}

	private IntegerFieldEditor createIntegerFieldEditor(final Composite container, final String preferenceID,
			final String preferenceLabel) {
		Composite editorContainer = new Composite(container, SWT.NULL);
		editorContainer.setLayout(new GridLayout(1, true));
		editorContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

		IntegerFieldEditor editor = new IntegerFieldEditor(preferenceID, preferenceLabel, editorContainer);

		// Set the editor up to use this page
		editor.setPreferenceStore(getPreferenceStore());
		editor.load();

		return editor;
	}

	private BooleanFieldEditor createBooleanFieldEditor(final Composite container, final String preferenceID,
			final String preferenceLabel) {
		Composite editorContainer = new Composite(container, SWT.NULL);
		editorContainer.setLayout(new GridLayout(1, true));
		editorContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

		BooleanFieldEditor editor = new BooleanFieldEditor(preferenceID, preferenceLabel, editorContainer);

		// Set the editor up to use this page
		editor.setPreferenceStore(getPreferenceStore());
		editor.load();

		return editor;
	}

	private void storePreferences() {
		this.viewerVerboseEditor.store();
		this.viewerAntiAliasingEditor.store();
		this.viewerMaximumFrameRateEditor.store();
		this.navigationLinearLowSpeedFactorEditor.store();
		this.navigationLinearHighSpeedFactorEditor.store();
	}
}