Caret/js/editor.js
2014-02-26 22:34:02 -08:00

119 lines
No EOL
3.8 KiB
JavaScript

define([
"storage/file",
"command",
"settings!ace,user",
"util/dom2"
], function(File, command, Settings) {
/*
Module for loading the editor, adding window resizing and other events. Returns the editor straight from Ace.
*/
var userConfig = Settings.get("user");
var aceConfig = Settings.get("ace");
var editor = window.editor = ace.edit("editor");
var themes = document.querySelector(".theme");
//disable focusing on the editor except by program
document.find("textarea").setAttribute("tabindex", -1);
//one-time startup
var init = function() {
aceConfig.themes.forEach(function(theme) {
var option = document.createElement("option");
option.innerHTML = theme.label;
option.setAttribute("value", theme.name);
themes.append(option);
});
if (userConfig.emulateVim) {
ace.require("ace/lib/net").loadScript("js/ace/keybinding-vim.js", function() {
editor.setKeyboardHandler(ace.require("ace/keyboard/vim").handler);
});
}
reset();
//let main.js know this module is ready
return "editor";
};
//reloaded when settings change
var reset = function() {
userConfig = Settings.get("user");
themes.value = userConfig.defaultTheme;
editor.setTheme("ace/theme/" + themes.value);
editor.setOption("scrollPastEnd", userConfig.scrollPastEnd);
editor.setShowPrintMargin(userConfig.showMargin || false);
editor.setPrintMarginColumn(userConfig.wrapLimit || 80);
editor.setShowInvisibles(userConfig.showWhitespace || false);
editor.setHighlightActiveLine(userConfig.highlightLine || false);
editor.container.style.fontFamily = userConfig.fontFamily || null;
defaultFontSize();
ace.config.loadModule("ace/ext/language_tools", function() {
editor.setOptions({
enableBasicAutocompletion: userConfig.autocomplete
});
});
};
var defaultFontSize = function(c) {
var size = Settings.get("user").fontSize;
editor.container.style.fontSize = size ? size + "px" : null;
if (c) c();
};
var adjustFontSize = function(delta, c) {
var current = editor.container.style.fontSize;
if (current) {
current = current.replace("px", "") * 1;
} else {
current = Settings.get("user").fontSize;
}
var adjusted = current + delta;
editor.container.style.fontSize = adjusted + "px";
if (c) c();
};
command.on("editor:default-zoom", defaultFontSize);
command.on("editor:adjust-zoom", adjustFontSize);
command.on("init:startup", init);
command.on("init:restart", reset);
command.on("editor:theme", function(theme, c) {
editor.setTheme("ace/theme/" + theme);
themes.value = theme;
editor.focus();
if (c) c();
});
command.on("editor:print", function(c) {
ace.require("ace/config").loadModule("ace/ext/static_highlight", function(static) {
var session = editor.getSession();
var printable = static.renderSync(session.getValue(), session.getMode(), editor.renderer.theme);
var iframe = document.createElement("iframe");
var css = "<style>" + printable.css + "</style>";
var doc = css + printable.html;
iframe.srcdoc = doc;
iframe.width = iframe.height = 1;
iframe.style.display = "none";
document.body.append(iframe);
setTimeout(function() {
iframe.contentWindow.print();
setTimeout(function() {
iframe.remove();
});
});
});
});
command.on("editor:word-count", function(c) {
var text = editor.getSession().getValue();
var lines = text.split("\n").length + " lines";
var characters = text.length + " characters";
var words = text.match(/\b\S+\b/g);
words = words ? words.length : 0;
command.fire("status:toast", [characters, words, lines].join(", "));
});
return editor;
});