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markdown: Add markdown shortcuts.

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Markdown shorcuts:
ctrl/cmd+b ->insert bold text
ctrl/cmd+i ->insert italic text
ctrl/cmd+l ->insert link

Fixes #5978
This commit is contained in:
YJDave
2017-12-06 19:16:23 +05:30
committed by showell
parent 277d463d23
commit 5ff84e97b5
2 changed files with 161 additions and 2 deletions
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57
static/js/compose.js
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@@ -555,9 +555,66 @@ exports.validate = function () {
return validate_stream_message();
};
exports.handle_keydown = function (event) {
var code = event.keyCode || event.which;
var textarea = $("#compose-textarea");
var range = textarea.range();
var bKey = 66;
var iKey = 73;
var lKey = 76;
if ((code === bKey || code === iKey || code === lKey) && (event.ctrlKey || event.metaKey)) {
function add_markdown(markdown) {
var textarea = $("#compose-textarea");
var range = textarea.range();
if (!document.execCommand('insertText', false, markdown)) {
textarea.range(range.start, range.end).range(markdown);
}
event.preventDefault();
}
if (code === bKey) {
// ctrl + b: Convert selected text to bold text
add_markdown("**" + range.text + "**");
if (!range.length) {
textarea.caret(textarea.caret() - 2);
}
}
if (code === iKey) {
// ctrl + i: Convert selected text to italic text
add_markdown("*" + range.text + "*");
if (!range.length) {
textarea.caret(textarea.caret() - 1);
}
}
if (code === lKey) {
// ctrl + l: Insert a link to selected text
add_markdown("[" + range.text + "](url)");
var position = textarea.caret();
var txt = document.getElementById("compose-textarea");
// Include selected text in between [] parantheses and insert '(url)'
// where "url" should be automatically selected.
// Position of cursor depends on whether browser supports exec
// command or not. So set cursor position accrodingly.
if (document.queryCommandEnabled('insertText')) {
txt.selectionStart = position - 4;
txt.selectionEnd = position - 1;
} else {
txt.selectionStart = position + range.length + 3;
txt.selectionEnd = position + range.length + 6;
}
}
compose_ui.autosize_textarea();
return;
}
};
exports.initialize = function () {
$('#stream,#subject,#private_message_recipient').on('keyup', update_fade);
$('#stream,#subject,#private_message_recipient').on('change', update_fade);
$('#compose-textarea').on('keydown', exports.handle_keydown);
$("#compose form").on("submit", function (e) {
e.preventDefault();