DisplayOptionsPreferencePage.java example

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gda-dal-master
/* 
 * Copyright (c) 2006 Stiftung Deutsches Elektronen-Synchroton, 
 * Member of the Helmholtz Association, (DESY), HAMBURG, GERMANY.
 *
 * THIS SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN "../AS IS" BASIS. 
 * WITHOUT WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED 
 * TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE AND 
 * NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. SHOULD THE SOFTWARE PROVE DEFECTIVE 
 * IN ANY RESPECT, THE USER ASSUMES THE COST OF ANY NECESSARY SERVICING, REPAIR OR 
 * CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. 
 * NO USE OF ANY SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS DISCLAIMER.
 * DESY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, 
 * OR MODIFICATIONS.
 * THE FULL LICENSE SPECIFYING FOR THE SOFTWARE THE REDISTRIBUTION, MODIFICATION, 
 * USAGE AND OTHER RIGHTS AND OBLIGATIONS IS INCLUDED WITH THE DISTRIBUTION OF THIS 
 * PROJECT IN THE FILE LICENSE.HTML. IF THE LICENSE IS NOT INCLUDED YOU MAY FIND A COPY 
 * AT HTTP://WWW.DESY.DE/LEGAL/LICENSE.HTM
 */
package org.csstudio.sds.ui.internal.preferences;

import java.util.List;

import org.csstudio.sds.internal.preferences.CategorizationType;
import org.csstudio.sds.internal.preferences.PreferenceConstants;
import org.csstudio.sds.ui.SdsUiPlugin;
import org.csstudio.sds.ui.internal.editor.newproperties.colorservice.NamedStyle;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.IntegerFieldEditor;
import org.eclipse.jface.preference.RadioGroupFieldEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * A preference page to set the options for the display editors.
 * 
 * @author Sven Wende & Kai Meyer
 */
public final class DisplayOptionsPreferencePage extends
		FieldEditorPreferencePage implements IWorkbenchPreferencePage {

	/**
	 * Constructor.
	 */
	public DisplayOptionsPreferencePage() {
		super(FieldEditorPreferencePage.GRID);
		setMessage("Set Display Options"); //$NON-NLS-1$
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void createFieldEditors() {
		FieldEditor editor;

		editor = new IntegerFieldEditor(PreferenceConstants.PROP_GRID_SPACING,
				"Grid Spacing", getFieldEditorParent());
		addField(editor);

		editor = new BooleanFieldEditor(PreferenceConstants.PROP_ANTIALIASING,
				"Antialiasing", getFieldEditorParent());
		addField(editor);

		editor = new BooleanFieldEditor(
				PreferenceConstants.PROP_CLOSE_PARENT_DISPLAY,
				"Close Parent Display", getFieldEditorParent());
		addField(editor);

		String[][] labelAndValues = new String[][] {
				{ "No categorization", CategorizationType.NONE.getId() },
				{ "Collapsible groups", CategorizationType.DRAWER.getId() },
				{ "Stack", CategorizationType.STACK.getId() } };
		editor = new RadioGroupFieldEditor(
				PreferenceConstants.PROP_WIDGET_CATEGORIZATION,
				"Categorization of SDS widgets", 1, labelAndValues,
				getFieldEditorParent(), true);
		addField(editor);

		editor = new BooleanFieldEditor(
				PreferenceConstants.PROP_WRITE_ACCESS_DENIED,
				"Deny Write Access for all widgets", getFieldEditorParent());
		addField(editor);
		
		Group styleComposite = new Group(getFieldEditorParent(), SWT.NONE);
		styleComposite.setText("Styles");
		GridLayout layout = new GridLayout(2,false);
		styleComposite.setLayout(layout);
		styleComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
		String[][] cafLabelAndValues = createLabelsAndValues();
		if (cafLabelAndValues.length == 0) {
			Label notFound = new Label(styleComposite, SWT.WRAP);
			notFound.setText("No styles found");
			notFound.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
		} else {
			addField(new RadioGroupFieldEditor(PreferenceConstants.PROP_SELECTED_COLOR_AND_FONT_STYLE, 
				"Select the style for colors and fonts", 1, cafLabelAndValues, styleComposite));
		}
		Label hint = new Label(styleComposite, SWT.WRAP);
		hint.setText("The styles are taken from file '/Settings/settings.xml'");
		hint.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1));
	}

	private String[][] createLabelsAndValues() {
		List<NamedStyle> styles = SdsUiPlugin.getDefault().getColorAndFontService().getStyles();
		String[][] result = new String[styles.size()][2];
		for (int i = 0; i < styles.size(); i++) {
			result[i] = new String[] {styles.get(i).getDescription() + " ("+ styles.get(i).getName() +")", styles.get(i).getName()};
		}
		return result;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected IPreferenceStore doGetPreferenceStore() {
		return SdsUiPlugin.getCorePreferenceStore();
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void init(final IWorkbench workbench) {
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void dispose() {
	}

}