1 files changed, 77 insertions, 0 deletions
diff --git a/bundles/runtime/org.eclipse.fx.ecp.ui/src/org/eclipse/fx/ecp/ui/controls/multi/EDataTypeTextField.java b/bundles/runtime/org.eclipse.fx.ecp.ui/src/org/eclipse/fx/ecp/ui/controls/multi/EDataTypeTextField.java
new file mode 100644
index 000000000..fa76bae5c
--- /dev/null
+++ b/bundles/runtime/org.eclipse.fx.ecp.ui/src/org/eclipse/fx/ecp/ui/controls/multi/EDataTypeTextField.java
@@ -0,0 +1,77 @@
+package org.eclipse.fx.ecp.ui.controls.multi;
+
+import java.math.BigInteger;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+import javafx.scene.control.IndexRange;
+import javafx.scene.control.TextField;
+
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+public class EDataTypeTextField extends TextField {
+
+	final static Set<Class<?>> INTEGRAL_TYPES = new HashSet<>();
+
+	static {
+		Collections.addAll(INTEGRAL_TYPES, Integer.class, int.class, Short.class, short.class, Long.class, long.class, BigInteger.class);
+	}
+
+	final EDataType dataType;
+	final String regex;
+
+	public EDataTypeTextField(EDataType dataType) {
+		this.dataType = dataType;
+		Class<?> instanceClass = dataType.getInstanceClass();
+
+		if (instanceClass == String.class || instanceClass == Boolean.class || instanceClass == boolean.class) {
+			regex = ".*";
+		} else if (instanceClass == Character.class || instanceClass == char.class) {
+			regex = "^.?$";
+		} else if (INTEGRAL_TYPES.contains(instanceClass)) {
+			regex = "^\\-?[0-9]*$";
+		} else {
+			regex = "^\\-?[0-9]+\\.?[0-9]*$";
+		}
+	}
+
+	@Override
+	public void replaceText(int start, int end, String text) {
+		String currentText = getText();
+		StringBuffer sb = new StringBuffer(currentText != null ? currentText : "");
+		sb.replace(start, end, text);
+		String tmp = sb.toString();
+
+		if (validate(tmp))
+			super.replaceText(start, end, text);
+	}
+
+	@Override
+	public void replaceSelection(String text) {
+		IndexRange selection = getSelection();
+		int start = selection.getStart();
+		int end = selection.getEnd();
+		StringBuffer sb = new StringBuffer(getText());
+		sb.replace(start, end, text);
+		String tmp = sb.toString();
+
+		if (validate(tmp))
+			super.replaceSelection(text);
+	}
+
+	private boolean validate(String tmp) {
+		return tmp.matches(regex);
+	}
+
+	public Object getValue() {
+		return EcoreUtil.createFromString(dataType, getText());
+	}
+
+	public void setValue(Object value) {
+		String result = EcoreUtil.convertToString(dataType, value);
+		setText(result == null ? "" : result);
+	}
+
+}
+\ No newline at end of file