forked from forks/microblog.pub
56 lines
2.2 KiB
JavaScript
56 lines
2.2 KiB
JavaScript
// The new post textarea
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var ta = document.getElementsByTagName("textarea")[0];
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// Helper for inserting text (emojis) in the textarea
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function insertAtCursor (textToInsert) {
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ta.focus();
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const isSuccess = document.execCommand("insertText", false, textToInsert);
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// Firefox (non-standard method)
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if (!isSuccess) {
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// Credits to https://www.everythingfrontend.com/posts/insert-text-into-textarea-at-cursor-position.html
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// get current text of the input
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const value = ta.value;
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// save selection start and end position
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const start = ta.selectionStart;
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const end = ta.selectionEnd;
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// update the value with our text inserted
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ta.value = value.slice(0, start) + textToInsert + value.slice(end);
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// update cursor to be at the end of insertion
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ta.selectionStart = ta.selectionEnd = start + textToInsert.length;
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}
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}
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// Emoji click callback func
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var ji = function (ev) {
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insertAtCursor(ev.target.attributes.alt.value + " ");
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ta.focus()
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//console.log(document.execCommand('insertText', false /*no UI*/, ev.target.attributes.alt.value));
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}
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// Enable the click for each emojis
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var items = document.getElementsByClassName("ji")
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for (var i = 0; i < items.length; i++) {
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items[i].addEventListener('click', ji);
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}
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// Add new input text dynamically to allow setting an alt text on attachments
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var files = document.getElementById("files");
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var alts = document.getElementById("alts");
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files.addEventListener("change", function(e) {
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// Reset the div content
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alts.innerHTML = "";
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// Add an input for each files
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for (var i = 0; i < e.target.files.length; i++) {
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var p = document.createElement("p");
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var altInput = document.createElement("input");
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altInput.setAttribute("type", "text");
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altInput.setAttribute("name", "alt_" + e.target.files[i].name);
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altInput.setAttribute("placeholder", "Alt text for " + e.target.files[i].name);
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altInput.setAttribute("style", "width:95%;")
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p.appendChild(altInput);
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alts.appendChild(p);
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}
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});
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// Focus at the end of the textarea
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const end = ta.value.length;
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ta.setSelectionRange(end, end);
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ta.focus();
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