X-Git-Url: http://git.osdn.jp/view?p=pettanr%2FclientJs.git;a=blobdiff_plain;f=0.6.x%2Fjs%2F01_core%2F18_FocusUtility.js;fp=0.6.x%2Fjs%2F01_core%2F18_FocusUtility.js;h=c986f9cfb0de1048c0d8cb738c80f7ab523359c8;hp=0000000000000000000000000000000000000000;hb=604668ba9efa027d4bc77fd8020d6b6be55d03e1;hpb=ef25747bebf1799d49f9bd0d64e339da9ea61d13

diff --git a/0.6.x/js/01_core/18_FocusUtility.js b/0.6.x/js/01_core/18_FocusUtility.js
new file mode 100644
index 0000000..c986f9c
--- /dev/null
+++ b/0.6.x/js/01_core/18_FocusUtility.js
@@ -0,0 +1,53 @@
+
+
+var FocusUtility_lastElmFocused;
+var FocusUtility_docActiveElmSupport = X_UA[ 'IE' ] || document.activeElement !== undefined;
+var FocusUtility_fixActiveElm;
+
+// http://www.codingforums.com/javascript-programming/19503-determining-focus-ns6-ie6-context-sensitive-help.html
+// https://developer.mozilla.org/ja/docs/Web/API/Document/activeElement
+// IE 4+, Chrome 2+, Safari 4+, Firefox 3+ Opera 9.6+
+
+function FocusUtility_getFocusedElement(){
+	return FocusUtility_fixActiveElm ||
+		(
+			X_Script_gte15 ?
+				X_Script_try( X_Object_find, [ document, 'activeElement' ] ) :
+				// ieは iframe 内で focus がない場合に activeElement に触ると エラーになる
+				// VBS 経由で activeElement に触り安全確認する
+				( window[ 'vbs_testAE' ]() && document.activeElement )
+		);
+};
+
+/*
+ * 通常の focus は xnode.call('focus') を使う.
+ * フレームワーク内部で API の実行のために一時的に focus を当てたい場合に使う.focus の復帰は自動で行われる
+ */
+function FocusUtility_setTemporarilyFocus( elm ){
+	var elmActive = FocusUtility_getFocusedElement();
+	
+	if( elmActive !== elm ){
+		X_EventDispatcher_ignoreActualEvent = true; // ignoreAllEvent focus, blur
+		elm.focus();
+		X_EventDispatcher_ignoreActualEvent = false;
+		if( !FocusUtility_lastElmFocused ){
+			FocusUtility_lastElmFocused = elmActive;
+			// ie5(IE11のエミュレーション) でしばしば空なんですけど...
+			elmActive && ExecuteAtEnd_add( FocusUtility_restoreFocus );
+		};
+	};
+};
+
+// こっそり復帰
+function FocusUtility_restoreFocus(){
+	var elmActive = FocusUtility_getFocusedElement(),
+		elm = FocusUtility_lastElmFocused;
+
+	if( elmActive !== elm ){
+		X_EventDispatcher_ignoreActualEvent = true;
+		elm.focus();
+		X_EventDispatcher_ignoreActualEvent = false;
+	};
+	FocusUtility_lastElmFocused = null;
+};
+