1 files changed, 138 insertions, 0 deletions
diff --git a/plugins/infra/widget/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/selectors/StringSelector.java b/plugins/infra/widget/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/selectors/StringSelector.java
new file mode 100644
index 00000000000..e3062ce462f
--- /dev/null
+++ b/plugins/infra/widget/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/selectors/StringSelector.java
@@ -0,0 +1,138 @@
+/*****************************************************************************
+ * Copyright (c) 2010 CEA LIST.
+ *    
+ * 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:
+ *  Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.widgets.selectors;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import org.eclipse.papyrus.infra.widgets.editors.IElementSelectionListener;
+import org.eclipse.papyrus.infra.widgets.editors.IElementSelector;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * A selector for String values, or values that can be represented
+ * as text in general.
+ * Displays a field where the user can enter the new values.
+ * The field can be multiline or single line
+ * 
+ * @author Camille Letavernier
+ * 
+ */
+public class StringSelector implements IElementSelector {
+
+	/**
+	 * The text box used to enter a value for this selector
+	 */
+	protected Text text;
+
+	/**
+	 * Indicates if this StringSelector is multiline
+	 */
+	protected boolean multiline;
+
+	protected Set<IElementSelectionListener> elementSelectionListeners = new HashSet<IElementSelectionListener>();
+
+	/**
+	 * Constructs a single-line String Selector
+	 */
+	public StringSelector() {
+		this(false);
+	}
+
+	/**
+	 * Constructs a String Selector
+	 * 
+	 * @param multiline
+	 *        True if the string values can contain more than one line
+	 */
+	public StringSelector(boolean multiline) {
+		this.multiline = multiline;
+	}
+
+	/**
+	 * Returns a single-element array containing the current text
+	 * 
+	 * {@link IElementSelector#getSelectedElements()}
+	 */
+	public Object[] getSelectedElements() {
+		String[] result = new String[]{ text.getText() };
+		text.setText(""); //$NON-NLS-1$
+		return result;
+	}
+
+	/**
+	 * Ignored
+	 */
+	public void setSelectedElements(Object[] elements) {
+		//Nothing
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public void createControls(Composite parent) {
+		text = new Text(parent, (multiline ? SWT.MULTI : SWT.NONE) | SWT.BORDER);
+		if(!multiline) {
+			text.addKeyListener(new KeyListener() {
+
+				public void keyPressed(KeyEvent e) {
+					//Nothing
+				}
+
+				public void keyReleased(KeyEvent e) {
+					if((e.keyCode == SWT.CR || e.keyCode == SWT.KEYPAD_CR) && e.stateMask == SWT.NONE) {
+						if(!elementSelectionListeners.isEmpty()) {
+							Object[] result = getSelectedElements();
+							if(!result[0].equals("")) { //$NON-NLS-1$
+								for(IElementSelectionListener listener : elementSelectionListeners) {
+									listener.addElements(result);
+								}
+							}
+						}
+					}
+				}
+
+			});
+		}
+	}
+
+	/**
+	 * Returns the same value as getSelectedElements
+	 * 
+	 * {@link IElementSelector#getAllElements()}
+	 */
+	public Object[] getAllElements() {
+		return getSelectedElements();
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public void newObjectCreated(Object newObject) {
+		//Ignored
+	}
+
+	/**
+	 * {@inheritDoc}
+	 */
+	public void clearTemporaryElements() {
+		//Ignored
+	}
+
+	public void addElementSelectionListener(IElementSelectionListener listener) {
+		elementSelectionListeners.add(listener);
+	}
+}