mirror of
https://github.com/xevidos/codiad.git
synced 2024-12-23 06:12:16 +01:00
Added storing of cursor position so you do not get kicked to the beginning or end of file on join
This commit is contained in:
parent
2f4727aad3
commit
397b656c87
3 changed files with 462 additions and 88 deletions
307
plugins/Codiad-Collaborative-master/file_db.php
Executable file
307
plugins/Codiad-Collaborative-master/file_db.php
Executable file
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@ -0,0 +1,307 @@
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<?php
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/*
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* Copyright (c) Luc Verdier & Florent Galland, distributed
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* as-is and without warranty under the MIT License. See
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* [root]/license.txt for more. This information must remain intact.
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*/
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/*
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* Suppose a user wants to register as a collaborator of file '/test/test.js'.
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* He registers to a specific file by creating a marker file
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* 'data/_test_test.js%%filename%%username%%registered', and he can
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* unregister by deleting this file. Then his current selection will be in
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* file 'data/_test_test.js%%username%%selection'.
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* The collaborative editing algorithm is based on the differential synchronization
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* algorithm by Neil Fraser. The text shadow and server text are stored
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* respectively in 'data/_test_test.js%%filename%%username%%shadow' and
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* 'data/_test_test.js%%filename%%text'.
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* At regular time intervals, the user send an heartbeat which is stored in
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* 'data/_test_test.js%%username%%heartbeat' .
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*/
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/* */
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class file_db {
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/* They should be the same as those
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* in the file_db_entry class. */
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private $separator = '|';
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private $separator_regex = '\|';
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private $key_value_separator = ':';
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private $key_value_separator_regex = '\:';
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private $index_name = 'index.db';
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private $base_path;
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function __construct($base_path) {
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$this->base_path = $base_path;
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if(!is_dir($base_path)) {
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mkdir($base_path);
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}
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}
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/* Create a new entry into the data base. */
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public function create($query, $group=null) {
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$query = $this->_normalize_query($query);
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if(!$this->_is_direct_query($query)) {
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return null;
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}
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$base_path = $this->base_path;
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if($group != null) {
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$base_path .= '/' . $group;
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}
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$index_file = $base_path . '/' . $this->index_name;
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if(!is_dir($base_path)) {
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mkdir($base_path);
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}
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$entry_name = $this->_make_entry_name($query);
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$entry_hash = md5($entry_name);
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$entry_file = $base_path . '/' . $entry_hash;
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if(!file_exists($entry_file)) {
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if(!file_exists($index_file)) {
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touch($index_file);
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}
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$entry = $entry_name . '>' . $entry_hash . '>' . PHP_EOL;
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file_put_contents($index_file, $entry, FILE_APPEND | LOCK_EX);
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touch($entry_file);
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}
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$entry = new file_db_entry($entry_name, $entry_file, $index_file, $group);
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$entry->clear();
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if(file_exists($entry_file)) {
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return $entry;
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}
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return null;
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}
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/* Get the content for the given query. */
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public function select($query, $group=null) {
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$query = $this->_normalize_query($query);
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$base_path = $this->base_path;
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if($group != null) {
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$base_path .= '/' . $group;
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}
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$index_file = $base_path . '/' . $this->index_name;
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if($this->_is_direct_query($query)) {
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$entry_name = $this->_make_entry_name($query);
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$entry_hash = md5($entry_name);
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$entry_file = $base_path . '/' . $entry_hash;
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if(file_exists($entry_file)) {
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return new file_db_entry($entry_name, $entry_file, $index_file, $group);
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}
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return null;
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}
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$entries = array();
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if(file_exists($index_file)) {
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$regex = $this->_make_regex($query);
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$file = fopen($index_file, 'r');
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while(!feof($file)) {
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$line = fgets($file);
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if (preg_match($regex, $line, $matches)) {
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$entry_file = $base_path . '/' . $matches[2];
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if(file_exists($entry_file)) {
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$entries[] = new file_db_entry($matches[1], $entry_file, $index_file, $group);
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}
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}
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}
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fclose($file);
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}
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return $entries;
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}
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/* Select all entries into the given group. */
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public function select_group($group) {
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$entries = array();
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$base_path = $this->base_path . '/' . $group;
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$index_file = $base_path . '/' . $this->index_name;
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if(file_exists($index_file)) {
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$sep = $this->separator_regex;
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$regex = '/(' . $sep . '.*?' . $sep . ')\>(.*?)\>/';
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$file = fopen($index_file, 'r');
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while(!feof($file)) {
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$line = fgets($file);
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if (preg_match($regex, $line, $matches)) {
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$entry_file = $base_path . '/' . $matches[2];
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$entries[] = new file_db_entry($matches[1], $entry_file, $index_file, $group);
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}
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}
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fclose($file);
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}
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return $entries;
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}
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/* Make the regex for the given query. */
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private function _make_regex($query) {
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$regex = '/(' . $this->separator_regex;
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foreach($query as $key => $value) {
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$regex .= $key . $this->key_value_separator_regex;
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if($value == '%2A') { // %2A=*
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$regex .= '.*?';
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}
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else {
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$regex .= $value;
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}
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$regex .= $this->separator_regex;
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}
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$regex .= ')' . '\>(.*?)\>' . '/';
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return $regex;
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}
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/* Make an entry name from the given normalized query. */
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private function _make_entry_name($query) {
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$filename = $this->separator;
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foreach($query as $key => $value) {
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$filename .= $key . $this->key_value_separator . $value;
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$filename .= $this->separator;
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}
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return $filename;
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}
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/* Check if the given query is a direct query. */
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private function _is_direct_query($query) {
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foreach($query as $key => $value) {
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if($value == '%2A'){ // %2A=*
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return false;
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}
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}
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return true;
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}
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/* Normalize the given query. */
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private function &_normalize_query(&$query) {
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ksort($query);
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foreach($query as $key => $value) {
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$query[$key] = rawurlencode($value);
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}
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return $query;
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}
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}
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/* */
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class file_db_entry {
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/* They should be the same as those
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* in the file_db class. */
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private $separator = '|';
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private $separator_regex = '\|';
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private $key_value_separator = ':';
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private $key_value_separator_regex = '\:';
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private $entry_name;
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private $entry_hash;
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private $entry_file;
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private $index_file;
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private $group;
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private $handler;
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/* Construct the entry with the given filename. */
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public function __construct($entry_name, $entry_file, $index_file, $group) {
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$this->entry_name = $entry_name;
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$this->entry_file = $entry_file;
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$this->index_file = $index_file;
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$this->group = $group;
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}
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/* Get the value of the field with the given name. */
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public function get_field($name) {
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$regex = '/'
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. $this->separator_regex
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. rawurlencode($name)
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. $this->key_value_separator_regex
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. '(.*?)' . $this->separator_regex
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. '/';
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if(preg_match($regex, $this->entry_name, $matches)) {
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return rawurldecode($matches[1]);
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}
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return null;
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}
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/* Get the group name of the entry. */
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public function get_group() {
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return $this->group;
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}
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/* Set the value of the entry. */
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public function put_value($value) {
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file_put_contents($this->entry_file, serialize($value), LOCK_EX);
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}
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/* Get the value of the entry. */
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public function get_value() {
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if(file_exists($this->entry_file)) {
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return unserialize(file_get_contents($this->entry_file));
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}
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return null;
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}
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/* Remove the entry. */
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public function remove() {
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$success = false;
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if(file_exists($this->index_file)) {
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$lines = file($this->index_file, FILE_SKIP_EMPTY_LINES);
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$file = fopen($this->index_file, 'w');
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flock($file, LOCK_EX);
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foreach($lines as $line) {
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if (strpos($line, $this->entry_name) !== 0) {
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fwrite($file, $line);
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}
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else {
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$success = true;
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}
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}
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flock($file, LOCK_UN);
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fclose($file);
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}
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if($success && file_exists($this->entry_file)) {
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unlink($this->entry_file);
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return true;
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}
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return false;
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}
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/* Clear the value of the entry. */
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public function clear() {
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$this->put_value('');
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}
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/* Lock the entry. */
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public function lock() {
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$lock = $this->entry_file . '.lock';
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while(file_exists($lock)) {
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usleep(100);
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}
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touch($this->entry_file . '.lock');
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}
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/* Unlock the entry. */
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public function unlock() {
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$lock = $this->entry_file . '.lock';
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if(file_exists($lock)) {
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unlink($lock);
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}
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}
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}
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?>
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@ -11,18 +11,19 @@
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path = scripts[scripts.length-1].src.split('?')[0],
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path = scripts[scripts.length-1].src.split('?')[0],
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curpath = path.split( '/' ).slice( 0, -1 ).join( '/ ') + '/';
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curpath = path.split( '/' ).slice( 0, -1 ).join( '/ ') + '/';
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var site_id = codiad.system.site_id;
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var session_id = window.session_id;
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var editor = null;
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var collaborator = null;
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var buffer_dumped = false;
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var buffer_dumped = false;
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var last_applied_change = null;
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var collaborator = null;
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var just_cleared_buffer = null;
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var current_editor = codiad.active.getPath();
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var current_editor = codiad.active.getPath();
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var just_opened = false;
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var cursor = null;
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var loaded = false;
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var editor = null;
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var initial = false;
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var initial = false;
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var just_cleared_buffer = null;
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var just_opened = false;
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var last_applied_change = null;
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var loaded = false;
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var loading = true;
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var loading = true;
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var session_id = codiad.system.session_id;
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var site_id = codiad.system.site_id;
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function Collaborator( file_path, session_id ) {
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function Collaborator( file_path, session_id ) {
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@ -58,26 +59,45 @@
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if ( delta.initial === true ) {
|
if ( delta.initial === true ) {
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console.log( 'Setting initial content...' );
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console.log( 'Setting initial content...' );
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codiad.editor.setContent( '' );
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//codiad.editor.setContent( '' );
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codiad.editor.setContent( delta.content )
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codiad.editor.setContent( delta.content )
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inital = false;
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inital = false;
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}
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}
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setTimeout(function(){
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if( cursor !== null ) {
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console.log( 'Going to position: ' + cursor.row + ", " + cursor.column );
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editor.gotoLine( cursor.row, cursor.column, true );
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||||||
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}
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}, 256);
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|
|
||||||
}.bind() );
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}.bind() );
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||||||
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this.collaboration_socket.on( "recieve_content", function( ) {
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this.collaboration_socket.on( "recieve_content", function( ) {
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|
|
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console.log( 'Someone is joining ...' );
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console.log( 'Someone is joining ...' );
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||||||
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console.log( 'Cursor is at ' + cursor.row + ", " + cursor.column );
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// Remove change callback
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// Remove change callback
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editor.removeEventListener( "change", handle_change );
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editor.removeEventListener( "change", handle_change );
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||||||
|
|
||||||
codiad.editor.disableEditing();
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codiad.editor.disableEditing();
|
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codiad.editor.setContent( '' );
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codiad.editor.setContent( '' );
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collaborator.dump_buffer();
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collaborator.dump_buffer()
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|
|
||||||
// registering change callback
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// registering change callback
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editor.addEventListener( "change", handle_change );
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editor.addEventListener( "change", handle_change );
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||||||
setTimeout(function(){codiad.editor.enableEditing();}, 500);
|
}.bind() );
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||||||
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||||||
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this.collaboration_socket.on( "unlock", function( ) {
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||||||
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||||||
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console.log( 'Unlocking editors and going to ' + cursor.row + ", " + cursor.column );
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||||||
|
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||||||
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codiad.editor.enableEditing();
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||||||
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setTimeout(function(){
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||||||
|
if( cursor !== null ) {
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||||||
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console.log( 'Going to position: ' + cursor.row + ", " + cursor.column );
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||||||
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editor.gotoLine( cursor.row, cursor.column, true );
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||||||
|
}
|
||||||
|
}, 256);
|
||||||
}.bind() );
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}.bind() );
|
||||||
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|
||||||
window.collaboration_socket = this.collaboration_socket;
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window.collaboration_socket = this.collaboration_socket;
|
||||||
|
@ -107,6 +127,13 @@
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||||||
function handle_change( e ) {
|
function handle_change( e ) {
|
||||||
|
|
||||||
// TODO, we could make things more efficient and not likely to conflict by keeping track of change IDs
|
// TODO, we could make things more efficient and not likely to conflict by keeping track of change IDs
|
||||||
|
coords = editor.getCursorPosition();
|
||||||
|
if( coords.row !== 0 && coords.column !== 0 ) {
|
||||||
|
cursor = editor.getCursorPosition();
|
||||||
|
cursor.row = cursor.row + 1
|
||||||
|
console.log( 'Cursor at: ' + cursor.row + ", " + cursor.column );
|
||||||
|
}
|
||||||
|
|
||||||
if( last_applied_change!=e && !just_cleared_buffer ) {
|
if( last_applied_change!=e && !just_cleared_buffer ) {
|
||||||
|
|
||||||
collaborator.change( JSON.stringify(e) );
|
collaborator.change( JSON.stringify(e) );
|
||||||
|
@ -166,6 +193,7 @@
|
||||||
|
|
||||||
collaborator = new Collaborator( session_id );
|
collaborator = new Collaborator( session_id );
|
||||||
|
|
||||||
|
//codiad.editor.disableEditing();
|
||||||
//collaborator.open_file( )
|
//collaborator.open_file( )
|
||||||
content = codiad.editor.getContent()
|
content = codiad.editor.getContent()
|
||||||
codiad.editor.setContent( '' )
|
codiad.editor.setContent( '' )
|
||||||
|
@ -201,9 +229,29 @@
|
||||||
});
|
});
|
||||||
|
|
||||||
$(window).blur(function() {
|
$(window).blur(function() {
|
||||||
|
|
||||||
|
if( editor !== null ) {
|
||||||
|
coords = editor.getCursorPosition();
|
||||||
|
if( coords.row !== 0 && coords.column !== 0 ) {
|
||||||
|
cursor = editor.getCursorPosition();
|
||||||
|
cursor.row = cursor.row + 1
|
||||||
|
console.log( 'Cursor at: ' + cursor.row + ", " + cursor.column );
|
||||||
|
}
|
||||||
|
}
|
||||||
close();
|
close();
|
||||||
});
|
});
|
||||||
|
|
||||||
|
/* When the window is clicked get the cursor position.
|
||||||
|
$(window).click(function () {
|
||||||
|
|
||||||
|
coords = editor.getCursorPosition();
|
||||||
|
if( coords.row !== 0 && coords.column !== 0 ) {
|
||||||
|
//cursor = editor.getCursorPosition();
|
||||||
|
//cursor.row = cursor.row + 1
|
||||||
|
//console.log( 'Cursor at: ' + cursor.row + ", " + cursor.column );
|
||||||
|
}
|
||||||
|
});*/
|
||||||
|
|
||||||
/* Subscribe to know when a file become active. */
|
/* Subscribe to know when a file become active. */
|
||||||
amplify.subscribe('active.onFocus', function (path) {
|
amplify.subscribe('active.onFocus', function (path) {
|
||||||
|
|
||||||
|
@ -211,7 +259,8 @@
|
||||||
|
|
||||||
if( current_editor !== codiad.active.getPath() && current_editor !== null ) {
|
if( current_editor !== codiad.active.getPath() && current_editor !== null ) {
|
||||||
|
|
||||||
console.log( 'Closing Socket' );+
|
cursor = null;
|
||||||
|
console.log( 'Closing Socket' );
|
||||||
close();
|
close();
|
||||||
}
|
}
|
||||||
console.log( 'Last Editor: ' + current_editor );
|
console.log( 'Last Editor: ' + current_editor );
|
||||||
|
@ -222,6 +271,13 @@
|
||||||
body_loaded();
|
body_loaded();
|
||||||
}
|
}
|
||||||
console.log( 'Focused Editor: ' + codiad.active.getPath() );
|
console.log( 'Focused Editor: ' + codiad.active.getPath() );
|
||||||
|
|
||||||
|
coords = editor.getCursorPosition();
|
||||||
|
if( coords.row !== 0 && coords.column !== 0 ) {
|
||||||
|
cursor = editor.getCursorPosition();
|
||||||
|
cursor.row = cursor.row + 1
|
||||||
|
console.log( 'Cursor at: ' + cursor.row + ", " + cursor.column );
|
||||||
|
}
|
||||||
});
|
});
|
||||||
|
|
||||||
//////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////
|
||||||
|
@ -234,6 +290,8 @@
|
||||||
//////////////////////////////////////////////////////////////////
|
//////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
codiad.collaborative = {
|
codiad.collaborative = {
|
||||||
|
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
})(this, jQuery);
|
})(this, jQuery);
|
|
@ -27,10 +27,10 @@ socket_id_to_session_id = [] ;
|
||||||
|
|
||||||
io.sockets.on('connection', function(socket) {
|
io.sockets.on('connection', function(socket) {
|
||||||
|
|
||||||
|
init = false
|
||||||
var file = socket.handshake.query.file;
|
var file = socket.handshake.query.file;
|
||||||
//var session_id = socket.handshake.query.session_id;
|
//var session_id = socket.handshake.query.session_id;
|
||||||
var session_id = socket.handshake.query.file;
|
var session_id = socket.handshake.query.file;
|
||||||
|
|
||||||
socket_id_to_session_id[socket.id] = session_id ;
|
socket_id_to_session_id[socket.id] = session_id ;
|
||||||
|
|
||||||
if( verbose ) { console.log( session_id + "connected on socket" + socket.id ) ; }
|
if( verbose ) { console.log( session_id + "connected on socket" + socket.id ) ; }
|
||||||
|
@ -59,13 +59,21 @@ io.sockets.on('connection', function(socket) {
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
for( var i=0 ; i<collaborations[session_id]['participants'].length ; i++ ) {
|
var i = 0;
|
||||||
|
|
||||||
|
for( i=0 ; i<collaborations[session_id]['participants'].length ; i++ ) {
|
||||||
if( socket.id!=collaborations[session_id]['participants'][i] ) {
|
if( socket.id!=collaborations[session_id]['participants'][i] ) {
|
||||||
io.sockets.connected[collaborations[session_id]['participants'][i]].emit( "recieve_content" );
|
io.sockets.connected[collaborations[session_id]['participants'][i]].emit( "recieve_content" );
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
collaborations[session_id]['participants'].push( socket.id );
|
collaborations[session_id]['participants'].push( socket.id );
|
||||||
|
|
||||||
|
for( i=0 ; i<collaborations[session_id]['participants'].length ; i++ ) {
|
||||||
|
if( socket.id!=collaborations[session_id]['participants'][i] ) {
|
||||||
|
io.sockets.connected[collaborations[session_id]['participants'][i]].emit( "unlock" );
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
socket.on('change', function( delta ) {
|
socket.on('change', function( delta ) {
|
||||||
if( verbose ) { console.log( "change " + socket_id_to_session_id[socket.id] + " " + delta ) ; }
|
if( verbose ) { console.log( "change " + socket_id_to_session_id[socket.id] + " " + delta ) ; }
|
||||||
|
@ -113,6 +121,7 @@ io.sockets.on('connection', function(socket) {
|
||||||
|
|
||||||
socket.on('dump_buffer', function() {
|
socket.on('dump_buffer', function() {
|
||||||
if( verbose ) { console.log( "dump_buffer " + socket_id_to_session_id[socket.id] ) ; }
|
if( verbose ) { console.log( "dump_buffer " + socket_id_to_session_id[socket.id] ) ; }
|
||||||
|
|
||||||
if( socket_id_to_session_id[socket.id] in collaborations ) {
|
if( socket_id_to_session_id[socket.id] in collaborations ) {
|
||||||
for( var i=0 ; i<collaborations[socket_id_to_session_id[socket.id]]['cached_instructions'].length ; i++ ) {
|
for( var i=0 ; i<collaborations[socket_id_to_session_id[socket.id]]['cached_instructions'].length ; i++ ) {
|
||||||
socket.emit( collaborations[socket_id_to_session_id[socket.id]]['cached_instructions'][i][0], collaborations[socket_id_to_session_id[socket.id]]['cached_instructions'][i][1] ) ;
|
socket.emit( collaborations[socket_id_to_session_id[socket.id]]['cached_instructions'][i][0], collaborations[socket_id_to_session_id[socket.id]]['cached_instructions'][i][1] ) ;
|
||||||
|
|
Loading…
Reference in a new issue