From 132e0b83c4be042f7559ba5049b3167b18a838b3 Mon Sep 17 00:00:00 2001
From: rabuzarus <trebor@central-unit>
Date: Fri, 1 Feb 2019 23:48:14 +0100
Subject: [PATCH] attachment preview: mv some js functions from frio to the
 linkPreview to make linkPreview available for other themes

---
 view/js/linkPreview.js    | 63 +++++++++++++++++++++++++++++++++++++++
 view/theme/frio/js/jot.js | 63 ---------------------------------------
 2 files changed, 63 insertions(+), 63 deletions(-)

diff --git a/view/js/linkPreview.js b/view/js/linkPreview.js
index ab5091c7e..cbb5e48da 100644
--- a/view/js/linkPreview.js
+++ b/view/js/linkPreview.js
@@ -441,4 +441,67 @@
 		defaultDescription: "Enter a description",
 		defaultTitle: "Enter a title"
 	};
+
+	/**
+	* Get in a textarea the previous word before the cursor.
+	* 
+	* @param {object} text Textarea elemet.
+	* @param {integer} caretPos Cursor position.
+	* 
+	* @returns {string} Previous word.
+	*/
+	function returnWord(text, caretPos) {
+		var index = text.indexOf(caretPos);
+		var preText = text.substring(0, caretPos);
+		// If the last charachter is a space remove the one space
+		// We need this in friendica for the url  preview.
+		if (preText.slice(-1) == " ") {
+			preText = preText.substring(0, preText.length -1);
+		}
+
+		if (preText.indexOf(" ") > 0) {
+			var words = preText.split(" ");
+			return words[words.length - 1]; //return last word
+		}
+		else {
+			return preText;
+		}
+	}
+
+	/**
+	 * Get in a textarea the previous word before the cursor.
+	 * 
+	 * @param {string} id The ID of a textarea element.
+	 * @returns {sting|null} Previous word or null if no word is available.
+	 */
+	function getPrevWord(id) {
+		var text = document.getElementById(id);
+		var caretPos = getCaretPosition(text);
+		var word = returnWord(text.value, caretPos);
+		if (word != null) {
+			return word
+		}
+
+	}
+
+	/**
+	 * Get the cursor posiotion in an text element.
+	 * 
+	 * @param {object} ctrl Textarea elemet.
+	 * @returns {integer} Position of the cursor.
+	 */
+	function getCaretPosition(ctrl) {
+		var CaretPos = 0;   // IE Support
+		if (document.selection) {
+			ctrl.focus();
+			var Sel = document.selection.createRange();
+			Sel.moveStart('character', -ctrl.value.length);
+			CaretPos = Sel.text.length;
+		}
+		// Firefox support
+		else if (ctrl.selectionStart || ctrl.selectionStart == '0') {
+			CaretPos = ctrl.selectionStart;
+		}
+		return (CaretPos);
+	}
 })(jQuery);
diff --git a/view/theme/frio/js/jot.js b/view/theme/frio/js/jot.js
index f63ed5356..25db23824 100644
--- a/view/theme/frio/js/jot.js
+++ b/view/theme/frio/js/jot.js
@@ -29,66 +29,3 @@ function jotGetLink() {
 		autosize.update($("#profile-jot-text"));
 	}
 }
-
-/**
- * Get in a textarea the previous word before the cursor.
- * 
- * @param {object} text Textarea elemet.
- * @param {integer} caretPos Cursor position.
- * 
- * @returns {string} Previous word.
- */
-function returnWord(text, caretPos) {
-	var index = text.indexOf(caretPos);
-	var preText = text.substring(0, caretPos);
-	// If the last charachter is a space remove the one space
-	// We need this in friendica for the url  preview.
-	if (preText.slice(-1) == " ") {
-		preText = preText.substring(0, preText.length -1);
-	}
-//	preText = preText.replace(/^\s+|\s+$/g, "");
-	if (preText.indexOf(" ") > 0) {
-		var words = preText.split(" ");
-		return words[words.length - 1]; //return last word
-	}
-	else {
-		return preText;
-	}
-}
-
-/**
- * Get in a textarea the previous word before the cursor.
- * 
- * @param {string} id The ID of a textarea element.
- * @returns {sting|null} Previous word or null if no word is available.
- */
-function getPrevWord(id) {
-	var text = document.getElementById(id);
-	var caretPos = getCaretPosition(text);
-	var word = returnWord(text.value, caretPos);
-	if (word != null) {
-		return word
-	}
-
-}
-
-/**
- * Get the cursor posiotion in an text element.
- * 
- * @param {object} ctrl Textarea elemet.
- * @returns {integer} Position of the cursor.
- */
-function getCaretPosition(ctrl) {
-	var CaretPos = 0;   // IE Support
-	if (document.selection) {
-		ctrl.focus();
-		var Sel = document.selection.createRange();
-		Sel.moveStart('character', -ctrl.value.length);
-		CaretPos = Sel.text.length;
-	}
-	// Firefox support
-	else if (ctrl.selectionStart || ctrl.selectionStart == '0') {
-		CaretPos = ctrl.selectionStart;
-	}
-	return (CaretPos);
-}