Testing for Unity3D new uGUI system these day,<\/p>\n
discover that the toggle button feature not good enough, so I design to write my own.<\/p>\n
using UnityEngine;\r\nusing UnityEngine.UI;\r\n\r\n[RequireComponent(typeof(Toggle))]\r\npublic class ToggleEvent : MonoBehaviour\r\n{\r\n \/\/\/ <summary>Delegate OnValueChanged event<\/summary>\r\n \/\/\/ <param name=\"value\">true\/false<\/param>\r\n \/\/\/ <example>this.OnValueChanged += YouMethod(bool value)<\/example>\r\n public delegate void ValueChanged(bool value);\r\n public ValueChanged OnValueChanged;\r\n\r\n protected Toggle toggle;\r\n protected virtual void OnEnable()\r\n {\r\n toggle = GetComponent<Toggle>();\r\n toggle.onValueChanged.AddListener(WhenValueChanged);\r\n }\r\n protected virtual void OnDisable()\r\n {\r\n toggle.onValueChanged.RemoveListener(WhenValueChanged);\r\n }\r\n protected virtual void WhenValueChanged(bool value)\r\n {\r\n \/\/ Debug.Log(string.Format(\"{0} Toggle :{1}\",GetType().Name.ToString(),value.ToString()));\r\n if (OnValueChanged != null)\r\n OnValueChanged(value);\r\n }\r\n}\r\n<\/pre>\nthe concept are simple using reflection to sync the target script component’s boolean value.<\/p>\n
using UnityEngine;\r\nusing UnityEngine.UI;\r\nusing System;\r\nusing System.Reflection;\r\n\r\n[RequireComponent(typeof(Toggle))]\r\npublic class ToggleSync : ToggleEvent\r\n{\r\n \/\/\/ <summary>\r\n \/\/\/ For those too lazy to coding\r\n \/\/\/ <\/summary>\r\n \/\/\/ <remarks>Make sure all GameObject is allocated, component & property name are correct<\/remarks>\r\n [Tooltip(\"Target GameObject wanted to call\")]\r\n public GameObject target;\r\n [Tooltip(\"Target Component Name on GameObject, throw error when null\")]\r\n public string componentName;\r\n \/\/ public Component targetComponent; \/\/ hard to drag component\r\n [Tooltip(\"Target Property Name(Boolean) in Component, throw error when null\")]\r\n public string propertyName;\r\n [Tooltip(\"Use ToggleEvent.OnValueChanged method\")]\r\n public bool UseEventDelegate = false;\r\n\r\n protected override void OnEnable()\r\n {\r\n base.OnEnable();\r\n toggle.isOn = GetValue();\r\n }\r\n protected override void WhenValueChanged(bool value)\r\n {\r\n if (UseEventDelegate)\r\n base.WhenValueChanged(value);\r\n SetValue(value);\r\n\t}\r\n private bool GetValue()\r\n {\r\n if (target == null)\r\n return false;\r\n Component component = target.GetComponent(componentName);\r\n Type targetType = (component == null) ? null : component.GetType();\r\n PropertyInfo propertyInfo = (targetType == null) ? null : targetType.GetProperty(propertyName);\r\n return (propertyInfo==null)?false:(bool)propertyInfo.GetValue(component, null);\r\n }\r\n private bool SetValue(bool value)\r\n {\r\n if (target == null)\r\n return false;\r\n string msg = string.Empty;\r\n Component component = target.GetComponent(componentName);\r\n Type targetType = (component == null) ? null : component.GetType();\r\n PropertyInfo propertyInfo = (targetType == null) ? null : targetType.GetProperty(propertyName);\r\n \r\n if (ReferenceEquals(component, null))\r\n {\r\n msg = string.Format(\"{0} cannot find component {1} on {2}\",\r\n GetType().Name.ToString(),\r\n componentName,\r\n target.ToString());\r\n }\r\n else if (ReferenceEquals(targetType, null))\r\n {\r\n msg = string.Format(\"{0} component<{1}> is invaild {2}\",\r\n GetType().Name.ToString(),\r\n componentName,\r\n target.ToString());\r\n }\r\n else if (ReferenceEquals(null, propertyInfo))\r\n {\r\n msg = string.Format(\"{0} cannot find property \\\"{1}\\\" on {2}\",\r\n GetType().Name.ToString(),\r\n propertyName,\r\n target.ToString());\r\n }\r\n else if (!propertyInfo.CanWrite)\r\n {\r\n msg = string.Format(\"{0} cannot assign property value \\\"{1}\\\" on {2}\",\r\n GetType().Name.ToString(),\r\n propertyName,\r\n target.ToString());\r\n }\r\n if (msg.Equals(String.Empty))\r\n {\r\n propertyInfo.SetValue(component, value, null);\r\n return true;\r\n }\r\n else\r\n {\r\n Debug.LogError(msg);\r\n return false;\r\n }\r\n }\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"Testing for Unity3D new uGUI system these day, dis …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[16,67,43],"class_list":["post-1320","post","type-post","status-publish","format-standard","hentry","category-unity3d","tag-c-2","tag-ugui","tag-unity3d-2"],"_links":{"self":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/posts\/1320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/comments?post=1320"}],"version-history":[{"count":0,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/posts\/1320\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/media?parent=1320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/categories?post=1320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/tags?post=1320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}