bundles/org.eclipse.emf.ecp.edit.swt/src/org/eclipse/emf/ecp/edit/internal/swt/controls/StringControl.java

/*******************************************************************************
 * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
 * 
 * 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:
 * Eugen Neufeld - initial API and implementation
 * 
 *******************************************************************************/
package org.eclipse.emf.ecp.edit.internal.swt.controls;

import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecp.edit.ECPControlContext;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Text;

/**
 * The class describing a String control.
 * 
 * @author Eugen Neufeld
 * 
 */
public class StringControl extends AbstractTextControl {

	/**
	 * Constructor for a String control.
	 * 
	 * @param showLabel whether to show a label
	 * @param itemPropertyDescriptor the {@link IItemPropertyDescriptor} to use
	 * @param feature the {@link EStructuralFeature} to use
	 * @param modelElementContext the {@link ECPControlContext} to use
	 * @param embedded whether this control is embedded in another control
	 */
	public StringControl(boolean showLabel, IItemPropertyDescriptor itemPropertyDescriptor, EStructuralFeature feature,
		ECPControlContext modelElementContext, boolean embedded) {
		super(showLabel, itemPropertyDescriptor, feature, modelElementContext, embedded);
	}

	/** {@inheritDoc} */
	@Override
	protected GridData getTextWidgetLayoutData() {
		GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
		if (getItemPropertyDescriptor().isMultiLine(getModelElementContext().getModelElement())) {
			gridData.heightHint = 200;
		}
		return gridData;
	}

	/** {@inheritDoc} */
	@Override
	protected int getTextWidgetStyle() {
		int textStyle = SWT.BORDER;
		GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
		if (getItemPropertyDescriptor().isMultiLine(getModelElementContext().getModelElement())) {
			textStyle = textStyle | SWT.MULTI | SWT.WRAP | SWT.V_SCROLL;
			gridData.heightHint = 200;
		} else {
			textStyle = textStyle | SWT.SINGLE;
		}
		return textStyle;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.emf.ecp.edit.internal.swt.controls.AbstractTextControl#getTextVariantID()
	 */
	@Override
	protected String getTextVariantID() {
		return "org_eclipse_emf_ecp_control_string";
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.emf.ecp.edit.internal.swt.controls.SingleControl#getUnsetLabelText()
	 */
	@Override
	protected String getUnsetLabelText() {
		// TODO language
		return "No text set! Click to set text."; //$NON-NLS-1$
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.emf.ecp.edit.internal.swt.controls.SingleControl#getUnsetButtonTooltip()
	 */
	@Override
	protected String getUnsetButtonTooltip() {
		return "Unset text";
	}

	@Override
	protected void customizeText(Text text) {
		super.customizeText(text);
		text.setMessage(getItemPropertyDescriptor().getDisplayName(null));
	}
}