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attachment preview: mv some js functions from frio to the linkPreview to make linkPreview available for other themes

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This commit is contained in:
rabuzarus 2019-02-01 23:48:14 +01:00
parent a6322b1c4e
commit 132e0b83c4
2 changed files with 63 additions and 63 deletions
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63
view/js/linkPreview.js
View file

@ -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);

63
view/theme/frio/js/jot.js
View file

@ -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);
}