95 lines
2.4 KiB
JavaScript
95 lines
2.4 KiB
JavaScript
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var linkPreview;
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$(document).ready(function() {
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linkPreview = $('#profile-jot-text').linkPreview();
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});
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/**
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* Insert a link into friendica jot.
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*
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* @returns {void}
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*/
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function jotGetLink() {
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var currentText = $("#profile-jot-text").val();
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var noAttachment = '';
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reply = prompt(aStr.linkurl);
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if(reply && reply.length) {
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// There should be only one attachment per post.
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// So we need to remove the old one.
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$('#jot-attachment-preview').empty();
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$('#profile-rotator').show();
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if (currentText.includes("[attachment") && currentText.includes("[/attachment]")) {
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noAttachment = '&noAttachment=1';
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}
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// We use the linkPreview library to have a preview
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// of the attachments.
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linkPreview.crawlText(reply + noAttachment);
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autosize.update($("#profile-jot-text"));
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}
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}
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/**
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* Get in a textarea the previous word before the cursor.
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*
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* @param {object} text Textarea elemet.
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* @param {integer} caretPos Cursor position.
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*
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* @returns {string} Previous word.
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*/
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function returnWord(text, caretPos) {
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var index = text.indexOf(caretPos);
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var preText = text.substring(0, caretPos);
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// If the last charachter is a space remove the one space
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// We need this in friendica for the url preview.
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if (preText.slice(-1) == " ") {
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preText = preText.substring(0, preText.length -1);
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}
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// preText = preText.replace(/^\s+|\s+$/g, "");
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if (preText.indexOf(" ") > 0) {
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var words = preText.split(" ");
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return words[words.length - 1]; //return last word
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}
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else {
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return preText;
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}
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}
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/**
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* Get in a textarea the previous word before the cursor.
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*
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* @param {string} id The ID of a textarea element.
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* @returns {sting|null} Previous word or null if no word is available.
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*/
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function getPrevWord(id) {
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var text = document.getElementById(id);
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var caretPos = getCaretPosition(text);
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var word = returnWord(text.value, caretPos);
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if (word != null) {
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return word
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}
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}
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/**
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* Get the cursor posiotion in an text element.
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*
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* @param {object} ctrl Textarea elemet.
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* @returns {integer} Position of the cursor.
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*/
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function getCaretPosition(ctrl) {
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var CaretPos = 0; // IE Support
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if (document.selection) {
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ctrl.focus();
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var Sel = document.selection.createRange();
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Sel.moveStart('character', -ctrl.value.length);
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CaretPos = Sel.text.length;
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}
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// Firefox support
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else if (ctrl.selectionStart || ctrl.selectionStart == '0') {
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CaretPos = ctrl.selectionStart;
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}
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return (CaretPos);
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}
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