public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
HelpBoxAttribute helpBox = (HelpBoxAttribute)attribute;
string content = "";
if (property.propertyType == SerializedPropertyType.String)
{
content = property.stringValue;
}
else if (property.propertyType == SerializedPropertyType.Integer)
{
content = property.intValue.ToString();
}
else if (property.propertyType == SerializedPropertyType.Float)
{
content = property.floatValue.ToString();
}
else
{
content = "Use helpbox with string, int and float values only.";
}
EditorGUI.HelpBox(position, content, GUIHelper.UnityMessageTypeConverter(helpBox.msgType));
}
// Make your own IMGUI based GUI for the property
public override void OnGUI(Rect _position)
{
_position.height -= EditorGUIUtility.standardVerticalSpacing;
HelpBoxAttribute _attribute = (HelpBoxAttribute)attribute;
EditorGUI.HelpBox(_position, _attribute.Label, (MessageType)(int)_attribute.Type);
}
public override void OnGUI(Rect position)
{
if (myattribute == null)
{
myattribute = attribute as HelpBoxAttribute;
}
Rect arect = position;
arect.height = myattribute.line * 14f;
EditorGUI.HelpBox(arect, myattribute.note, (MessageType)myattribute.messageType);
}
/// <summary> 單行緊縮模式判斷 </summary>
private bool isOneMiniLine(HelpBoxAttribute helpBox)
{
if (helpBox.isAlwaysOpen)
{
if (BoxHeight < 30)
{
return(true);
}
}
return(false);
}
public override float GetHeight()
{
float rt = 14f;
if (myattribute == null)
{
myattribute = attribute as HelpBoxAttribute;
}
rt = myattribute.line * 14f;
rt += 2f;
return(rt);
}
/// <summary> 初始化訊息欄風格 </summary>
/// <param name="helpBox"> 參考風格 </param>
private void InitStyle(HelpBoxAttribute helpBox)
{
if (HelpBoxStyle == null)
{
HelpBoxStyle = new GUIStyle(EditorStyles.helpBox);
HelpBoxStyle.fontSize = 13;
HelpBoxStyle.wordWrap = false;
HelpBoxStyle.padding = new RectOffset(4, 4, 4, 4); //文字部分跟周圍邊框的間距
HelpBoxStyle.border = new RectOffset(4, 4, 4, 4);
HelpBoxStyle.margin = new RectOffset(4, 4, 3, 3);
}
}
/// <summary>
/// Get the <see cref="MessageType" /> that fits to the <see cref="HelpBoxAttribute" /> of <paramref name="attr" />.
/// </summary>
/// <param name="attr">Attribute</param>
/// <returns>The appropriate <see cref="MessageType" />.</returns>
private MessageType GetTypeForBox(HelpBoxAttribute attr)
{
switch (attr.Type)
{
case HelpBoxAttribute.HelpBoxType.Info:
return(MessageType.Info);
case HelpBoxAttribute.HelpBoxType.Warning:
return(MessageType.Warning);
case HelpBoxAttribute.HelpBoxType.Error:
return(MessageType.Error);
default:
return(MessageType.None);
}
}
public override void OnGUI(
Rect position, SerializedProperty property, GUIContent label)
{
// Let's start by calculating the rectangle in which we'll draw the
// help box.
// 'position' is the rectangle that we've been given to draw
// everything to do with this property. It's calculated by taking
// the width of the Inspector tab, and the height returned by
// GetPropertyHeight.
// The help box will be at the top of the property, so we just take
// the original position, and reduce the height.
var helpBoxPosition = position;
helpBoxPosition.height = HelpBoxHeight;
// Next, we figure out the rectangle we need to draw the property
// in.
// We'll start with the entire available area...
var propertyPosition = position;
// Shift it down by the help box's height, plus line spacing
propertyPosition.y += EditorGUIUtility.standardVerticalSpacing +
helpBoxPosition.height;
// And update its height to be however tall the property wants to
// be, including any child properties.
propertyPosition.height =
EditorGUI.GetPropertyHeight(property, includeChildren: true);
// Get the text from the HelpBoxAttribute.
HelpBoxAttribute helpBox = (attribute as HelpBoxAttribute);
string text = helpBox.text;
// Draw the help box itself.
EditorGUI.HelpBox(helpBoxPosition, text, MessageType.Info);
// Draw the original property underneath.
EditorGUI.PropertyField(
propertyPosition, property, includeChildren: true);
}
public override float GetHeight()
{
HelpBoxAttribute helpBox = (HelpBoxAttribute)attribute;
InitStyle(helpBox);
BoxHeight = HelpBoxStyle.CalcHeight(new GUIContent(helpBox.text), EditorGUIUtility.currentViewWidth);
//None 類型由於沒有圖示無法產生折疊按鍵，故直接返回預設大小
if (helpBox.BoxType == HelpBoxType.None)
{
return(BoxHeight);
}
//關閉摺疊功能的話也直接返回預設大小
if (helpBox.isAlwaysOpen)
{
return(BoxHeight);
}
//至少要有指定的最小高度使介面看起來一致
if (BoxHeight < minHeight)
{
return(minHeight);
}
//如果高度有超過最小高度的話，依折疊狀態顯示高度
if (helpBox.isFoldout)
{
return(BoxHeight);
}
else
{
return(minHeight);
}
}
/***************************
******* METHODS *******
**************************/
// Specify how tall the GUI for this decorator is in pixels
public override float GetHeight()
{
HelpBoxAttribute _attribute = (HelpBoxAttribute)attribute;
return(Mathf.Max(EditorGUIUtilityEnhanced.DefaultHelpBoxHeight, EditorStyles.helpBox.CalcHeight(new GUIContent(_attribute.Label), EditorGUIUtility.currentViewWidth - WidthSubtractor)) + EditorGUIUtility.standardVerticalSpacing);
}
public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
{
HelpBoxAttribute helpBox = (HelpBoxAttribute)attribute;
return(EditorGUI.GetPropertyHeight(property, label) * helpBox.overrideHeight);
}
//這裡不直接使用 EditorGUI.HelpBox 以方便擴展
public override void OnGUI(Rect position)
{
//取得訊息、初始化 UI風格
HelpBoxAttribute helpBox = (HelpBoxAttribute)attribute;
InitStyle(helpBox);
//與下方參數的距離 = 2
position.height -= 2;
position = EditorGUI.IndentedRect(position);
//背景圖 (無框風格)
//Texture2D originTex = HelpBoxStyle.normal.background;
//HelpBoxStyle.normal.background = originTex;
//HelpBoxStyle.normal.background = EditorGUIUtility.whiteTexture;
//Color tColor = GUI.color;
//GUI.color = helpBoxBackGroundColor;
//GUI.DrawTexture(position, HelpBoxStyle.normal.background);
//GUI.color = tColor;
//背景圖 (有黑色邊框)
GUI.Box(position, "", EditorStyles.helpBox);
//None 類型文字置左+置中，介面比較好看
if (helpBox.BoxType == HelpBoxType.None)
{
HelpBoxStyle.alignment = TextAnchor.MiddleLeft;
}
//其它類型如果高度不高，文字也置左+置中
else
{
if (BoxHeight < minHeight)
{
HelpBoxStyle.alignment = TextAnchor.MiddleLeft;
}
else
{
HelpBoxStyle.alignment = TextAnchor.UpperLeft;
}
}
//顯示文字訊息
HelpBoxStyle.normal.background = null;
tmpContent.text = helpBox.text;
tmpContent.tooltip = "";
tmpContent.image = null;
if (helpBox.BoxType == HelpBoxType.None)
{
position.x += 2;
}
else
{
position.x += 30;
}
position.width = EditorGUIUtility.currentViewWidth - 50;
EditorGUI.LabelField(position, tmpContent, HelpBoxStyle);
if (helpBox.BoxType == HelpBoxType.None)
{
position.x -= 2;
}
else
{
position.x -= 30;
}
//顯示資訊類型的圖示
HelpBoxStyle.imagePosition = ImagePosition.ImageOnly;
HelpBoxStyle.normal.background = null;
tmpContent.image = GetHelpIcon(helpBox.BoxType);
position.y += position.height * 0.5f;
position.y -= 18;
position.width = 36;
position.height = 36;
if (isOneMiniLine(helpBox))
{
//單行緊縮模式下，特定類型的圖片稍作調整，使介面美觀
if (helpBox.BoxType == HelpBoxType.Warning)
{
position.y += 1;
position.width = 35;
position.height = 35;
}
else if (helpBox.BoxType == HelpBoxType.Error)
{
position.y += 2;
position.width = 35;
position.height = 35;
}
}
EditorGUI.LabelField(position, tmpContent, HelpBoxStyle);
HelpBoxStyle.imagePosition = ImagePosition.ImageLeft;
//None 類型由於沒有圖示無法產生折疊按鍵，故下面不做處理，並恢復文字對齊方式
if (helpBox.BoxType == HelpBoxType.None)
{
HelpBoxStyle.alignment = TextAnchor.UpperLeft;
return;
}
//如果高度不高，沒有摺疊的問題，故下面也不做處理
if (BoxHeight < minHeight)
{
return;
}
//如果關閉摺疊功能，也不處理摺疊開關
if (helpBox.isAlwaysOpen)
{
return;
}
//調整折疊關的風格 (隱藏 HelpBox背景圖)
HelpBoxStyle.normal.background = null;
//折疊時的提示
if (!helpBox.isFoldout)
{
//折疊時的顯示「---」表示摺疊中
tmpContent.text = "---";
tmpContent.image = null;
position.width = 30;
position.height = 16;
HelpBoxStyle.alignment = TextAnchor.MiddleLeft;
position.x += 4;
position.y += 20;
EditorGUI.LabelField(position, tmpContent, HelpBoxStyle);
position.y -= 20;
position.x -= 4;
//針對按鍵位置的位移，使折疊與非折疊時按鍵位置一致
position.y += 10;
}
//折疊按鍵
position.x += 6f;
position.y += position.height * 0.5f;
position.y -= 10;
position.width = 22;
position.height = 22;
if (GUI.Button(position, "", HelpBoxStyle))
{
helpBox.isFoldout = !helpBox.isFoldout;
}
}
