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- // Tab Complete
- //
- // Douglas Thrift
- //
- // bootstrap.js
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Tab Complete.
- *
- * The Initial Developer of the Original Code is
- * Douglas Thrift <douglas@douglasthrift.net>.
- * Portions created by the Initial Developer are Copyright (C) 2011
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- Components.utils.import("resource:///modules/imServices.jsm");
- function generatorFromArray(array)
- {
- for (var index = 0; index != array.length; ++index)
- yield array[index];
- }
- function generatorFromEnumerator(enumerator)
- {
- while (enumerator.hasMoreElements())
- yield enumerator.getNext();
- }
- let observer = {
- observe: function(subject, topic, data)
- {
- if (topic != "conversation-loaded")
- return;
- this.addTabListener(subject);
- },
- addTabListener: function(browser)
- {
- var binding = browser.ownerDocument.getBindingParent(browser);
- if (!binding || !("editor" in binding) || !binding.editor)
- return;
- binding.editor.addEventListener("keypress", this.onKeyPress, true);
- },
- removeTabListener: function(browser)
- {
- var binding = browser.ownerDocument.getBindingParent(browser);
- if (!binding || !("editor" in binding) || !binding.editor)
- return;
- binding.editor.removeEventListener("keypress", this.onKeyPress, true);
- },
- onKeyPress: function(event)
- {
- if ((event.keyCode != event.DOM_VK_TAB) || event.altKey || event.ctrlKey || event.metaKey || event.shiftKey)
- return;
- event.preventDefault();
- var editor = event.target;
- var binding = editor.ownerDocument.getBindingParent(editor);
- var conversation = binding._conv;
- var completions = [];
- var word = editor.value.substring(0, editor.selectionStart).match(/\S*$/)[0];
- var [first, before, after] = [editor.selectionStart - word.length == 0, editor.value.substring(0, editor.selectionStart - word.length), editor.value.substring(editor.selectionEnd)];
- function completable(completion)
- {
- return completion.toLowerCase().indexOf(word.toLowerCase()) == 0;
- }
- if (first && (word.length == 0 || word.indexOf("/") == 0))
- for each (let command in Services.cmd.listCommandsForConversation(conversation))
- {
- var completion = "/" + command.name;
- if (completable(completion) && completions.indexOf(completion) == -1)
- completions.push(completion);
- }
- if (conversation.isChat)
- for each (let participant in generatorFromEnumerator(conversation.getParticipants()))
- {
- var completion = participant.name + (first ? ":" : "");
- if (completable(completion))
- completions.push(completion);
- }
- else
- {
- var completion = conversation.buddy.userName + (first ? ":" : "");
- if (completable(completion))
- completions.push(completion);
- }
- completions.sort(function(one, two)
- {
- [one, two] = [string.toLowerCase() for each (string in [one, two])];
- if (one < two)
- return -1;
- else if (one > two)
- return 1;
- else
- return 0;
- });
- var [completion, full] = [undefined, undefined];
- switch (completions.length)
- {
- case 0:
- return;
- case 1:
- [completion, full] = [completions[0], true];
- break;
- default:
- let [first, last] = [string.toLowerCase() for each (string in [completions[0], completions[completions.length - 1]])];
- let length = 0;
- for (; length != first.length; ++length)
- if (first[length] != last[length])
- break;
- [completion, full] = [first.substring(0, length), false];
- conversation.systemMessage(completions.join(" "));
- }
- if (completion.length != 0)
- {
- editor.value = before + completion + (full ? " " : "") + after;
- var cursor = before.length + completion.length + (full ? 1 : 0);
- editor.setSelectionRange(cursor, cursor);
- }
- },
- };
- function startup(data, reason)
- {
- for each (let window in generatorFromEnumerator(Services.wm.getEnumerator("Messenger:convs")))
- for each (let tabconversation in generatorFromArray(window.document.getElementsByTagName("tabconversation")))
- for each (let browser in tabconversation.browsers)
- observer.addTabListener(browser);
- Services.obs.addObserver(observer, "conversation-loaded", false);
- }
- function shutdown(data, reason)
- {
- Services.obs.removeObserver(observer, "conversation-loaded");
- for each (let window in generatorFromEnumerator(Services.wm.getEnumerator("Messenger:convs")))
- for each (let tabconversation in generatorFromArray(window.document.getElementsByTagName("tabconversation")))
- for each (let browser in tabconversation.browsers)
- observer.removeTabListener(browser);
- }
- function install(data, reason) {}
- function uninstall(data, reason) {}
- // vim: expandtab
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