options.js

/*
 * options.js
 *
 * This is the JavaScript for the extension options page
 *
 * This file is part of emacs_chrome (http://github.com/stsquad/emacs_chrome)
 * and licensed under the GPLv3. See the COPYING file for details
 */


// Snarfed from AdThwart, not sure why checkboxes are so trixy
function loadCheckbox(id, config) {
    document.getElementById(id).checked = typeof localStorage[config] == "undefined" ? false : localStorage[config] == "true";
}
 
function saveCheckbox(id, config) {
    localStorage[config] = document.getElementById(id).checked;
}

// Saves options to localStorage
function save_options() {
  localStorage["edit_server_port"] = document.getElementById("port").value;
  saveCheckbox("dblclick", "enable_dblclick");
  saveCheckbox("keyshort", "enable_keys");

  // Update status to let user know options were saved.
  var status = document.getElementById("status");
  status.innerHTML = "Options Saved.";
  setTimeout(function() {
    status.innerHTML = "";
  }, 750);
}

// Restores select box state to saved value from localStorage.
function restore_options() {
  var port = localStorage["edit_server_port"];
  if (!port) {
    port = 9292;
  }
  document.getElementById("port").value = port;
  loadCheckbox("dblclick", "enable_dblclick");
  loadCheckbox("keyshort", "enable_keys");
}

/* Message handling multiplexer */
function localMessageHandler(msg, port) {
    // What was the bidding?
    var cmd = msg.msg;
    if (cmd == "test_result") {
	var status = document.getElementById("server_status");
	status.innerHTML = msg.text;
    } else {
	console.log("localMessageHandler: un-handled message:"+cmd);
    }
}

// Test for the presence of an Edit Server
function test_server() {
    var port = chrome.extension.connect();
    var status = document.getElementById("server_status");
    status.innerHTML = "testing...";
    port.onMessage.addListener(localMessageHandler);
    port.postMessage({msg: "test"});
}