public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(position, label, property);
var firstLine = position;
firstLine.height = EditorGUIUtility.singleLineHeight;
EditorGUI.PropertyField(firstLine, property);
if (property.isExpanded)
{
var secondLine = firstLine;
secondLine.y += EditorGUIUtility.singleLineHeight;
EditorGUIUtility.labelWidth = 50f;
secondLine.x += 15f; // indentation
secondLine.width -= 15f;
var secondLine_key = secondLine;
var buttonWidth = 60f;
secondLine_key.width -= buttonWidth; // assign button
secondLine_key.width /= 2f;
var secondLineValue = secondLine_key;
secondLineValue.x += secondLineValue.width;
if (GetTemplateValueProp(property).hasVisibleChildren)
{
// if the value has children, indent to make room for fold arrow
secondLineValue.x += 15;
secondLineValue.width -= 15;
}
var secondLineButton = secondLineValue;
secondLineButton.x += secondLineValue.width;
secondLineButton.width = buttonWidth;
var kHeight = EditorGUI.GetPropertyHeight(GetTemplateKeyProp(property));
var vHeight = EditorGUI.GetPropertyHeight(GetTemplateValueProp(property));
var extraHeight = Mathf.Max(kHeight, vHeight);
secondLine_key.height = kHeight;
secondLineValue.height = vHeight;
EditorGUI.PropertyField(secondLine_key, GetTemplateKeyProp(property), true);
EditorGUI.PropertyField(secondLineValue, GetTemplateValueProp(property), true);
var keysProp = GetKeysProp(property);
var valuesProp = GetValuesProp(property);
var numLines = keysProp.arraySize;
if (GUI.Button(secondLineButton, "Assign"))
{
bool assignment = false;
for (int i = 0; i < numLines; i++)
{
// Try to replace existing value
if (SerializedPropertyExtension.EqualBasics(GetIndexedItemProp(keysProp, i),
GetTemplateKeyProp(property)))
{
SerializedPropertyExtension.CopyBasics(GetTemplateValueProp(property),
GetIndexedItemProp(valuesProp, i));
assignment = true;
break;
}
}
if (!assignment)
{
// Create a new value
keysProp.arraySize += 1;
valuesProp.arraySize += 1;
SerializedPropertyExtension.CopyBasics(GetTemplateKeyProp(property),
GetIndexedItemProp(keysProp, numLines));
SerializedPropertyExtension.CopyBasics(GetTemplateValueProp(property),
GetIndexedItemProp(valuesProp, numLines));
}
}
for (int i = 0; i < numLines; i++)
{
secondLine_key.y += extraHeight;
secondLineValue.y += extraHeight;
secondLineButton.y += extraHeight;
kHeight = EditorGUI.GetPropertyHeight(GetIndexedItemProp(keysProp, i));
vHeight = EditorGUI.GetPropertyHeight(GetIndexedItemProp(valuesProp, i));
extraHeight = Mathf.Max(kHeight, vHeight);
secondLine_key.height = kHeight;
secondLineValue.height = vHeight;
EditorGUI.PropertyField(secondLine_key, GetIndexedItemProp(keysProp, i), true);
EditorGUI.PropertyField(secondLineValue, GetIndexedItemProp(valuesProp, i), true);
if (GUI.Button(secondLineButton, "Remove"))
{
keysProp.DeleteArrayElementAtIndex(i);
valuesProp.DeleteArrayElementAtIndex(i);
}
}
}
EditorGUI.EndProperty();
}
