JoglRotaryAxisPreferencePage.java

package org.goko.tools.viewer.jogl.preferences.rotaryaxis;

import javax.inject.Inject;

import org.eclipse.e4.core.di.extensions.Preference;
import org.eclipse.jface.util.PropertyChangeEvent;
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.Group;
import org.eclipse.swt.widgets.Label;
import org.goko.common.GkUiUtils;
import org.goko.common.preferences.GkFieldEditorPreferencesPage;
import org.goko.common.preferences.fieldeditor.preference.BooleanFieldEditor;
import org.goko.common.preferences.fieldeditor.preference.ComboFieldEditor;
import org.goko.common.preferences.fieldeditor.preference.quantity.LengthFieldEditor;
import org.goko.core.common.exception.GkException;
import org.goko.core.common.measure.quantity.Length;
import org.goko.core.common.measure.units.Unit;
import org.goko.core.config.GokoPreference;
import org.goko.tools.viewer.jogl.preferences.JoglViewerPreference;
import org.goko.tools.viewer.jogl.preferences.JoglViewerPreference.EnumRotaryAxisDirection;

public class JoglRotaryAxisPreferencePage extends GkFieldEditorPreferencesPage{
	private BooleanFieldEditor booleanFieldEditor;
	private Group grpSettings;
	private LengthFieldEditor xPositionField;
	private LengthFieldEditor yPositionField;
	private LengthFieldEditor zPositionField;
	
	public JoglRotaryAxisPreferencePage() {
		setTitle("4th axis");
		setDescription("Configure the 4th axis display");
		setPreferenceStore(JoglViewerPreference.getInstance());
	}

	/** (inheritDoc)
	 * @see org.goko.common.preferences.GkPreferencesPage#propertyChangle(org.eclipse.jface.util.PropertyChangeEvent)
	 */
	@Override
	public void propertyChange(PropertyChangeEvent event) {
		super.propertyChange(event);
		GkUiUtils.setEnabled(grpSettings, booleanFieldEditor.getControl().getSelection());		
	}
	
	/** (inheritDoc)
	 * @see org.goko.common.preferences.GkPreferencesPage#createPreferencePage(org.eclipse.swt.widgets.Composite)
	 */
	@Override
	protected void createPreferencePage(Composite parent) throws GkException {
		
		booleanFieldEditor = new BooleanFieldEditor(parent, SWT.NONE);
		booleanFieldEditor.setPreferenceName("rotaryAxisEnabled");
		booleanFieldEditor.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, false, 1, 1));
		booleanFieldEditor.setLabel("Enable rotary axis display");
		booleanFieldEditor.setPropertyChangeListener(this);
		
		grpSettings = new Group(parent, SWT.NONE);
		grpSettings.setText("Settings");
		grpSettings.setLayout(new GridLayout(1, false));
		grpSettings.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 1, 1));
		
		ComboFieldEditor comboFieldEditor = new ComboFieldEditor(grpSettings, SWT.READ_ONLY);
		comboFieldEditor.setPreferenceName("rotaryAxisDirection");
		String[][] axisDirection = new String[][]{{ "X Axis", EnumRotaryAxisDirection.X.toString()},
													{"Y Axis", EnumRotaryAxisDirection.Y.toString()},
													{"Z Axis", EnumRotaryAxisDirection.Z.toString()}};
		comboFieldEditor.setLabelWidthInChar(16);
		comboFieldEditor.setLabel("Rotary axis direction");
		comboFieldEditor.setEntry(axisDirection);
		
		Composite composite = new Composite(grpSettings, SWT.NONE);
		GridLayout gl_composite = new GridLayout(2, false);
		gl_composite.verticalSpacing = 0;
		gl_composite.marginWidth = 0;
		gl_composite.marginHeight = 0;
		composite.setLayout(gl_composite);
		composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1));
		
		Label lblNewLabel = new Label(composite, SWT.NONE);
		lblNewLabel.setText("Rotary axis position");
		
		xPositionField = new LengthFieldEditor(composite, SWT.NONE);
		xPositionField.setPreferenceName("rotaryAxisPositionX");
		xPositionField.setWidthInChars(6);
		xPositionField.setLabel("X");
		new Label(composite, SWT.NONE);
		
		yPositionField = new LengthFieldEditor(composite, SWT.NONE);
		yPositionField.setPreferenceName("rotaryAxisPositionY");
		yPositionField.setWidthInChars(6);
		yPositionField.setLabel("Y");
		new Label(composite, SWT.NONE);
		
		zPositionField = new LengthFieldEditor(composite, SWT.NONE);
		zPositionField.setPreferenceName("rotaryAxisPositionZ");
		zPositionField.setWidthInChars(6);
		zPositionField.setLabel("Z");
				
		Unit<Length> lengthUnit = GokoPreference.getInstance().getLengthUnit();
		xPositionField.setUnit(lengthUnit);
		yPositionField.setUnit(lengthUnit);
		zPositionField.setUnit(lengthUnit);
		
		addField(comboFieldEditor);
		addField(xPositionField);
		addField(yPositionField);
		addField(zPositionField);
		addField(booleanFieldEditor);			
	}

	/** (inheritDoc)
	 * @see org.goko.common.preferences.GkFieldEditorPreferencesPage#postInitialize()
	 */
	@Override
	protected void postInitialize() throws GkException {
		GkUiUtils.setEnabled(grpSettings, booleanFieldEditor.getControl().getSelection());
	}
	
	@Inject	
	public void onUnitPreferenceChange(@Preference(nodePath = GokoPreference.NODE_ID, value = GokoPreference.KEY_DISTANCE_UNIT) String unit) throws GkException{			
		Unit<Length> lengthUnit = GokoPreference.getInstance().getLengthUnit();
		if(xPositionField != null && yPositionField != null && zPositionField != null){
			xPositionField.setUnit(lengthUnit);
			yPositionField.setUnit(lengthUnit);
			zPositionField.setUnit(lengthUnit);
		}
	}
}