summaryrefslogtreecommitdiff
path: root/program/include/rcube_json_output.php
blob: 7bfca0a6d6654f212479d071cba6165263392dc3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
<?php

/*
 +-----------------------------------------------------------------------+
 | program/include/rcube_json_output.php                                 |
 |                                                                       |
 | This file is part of the RoundCube Webmail client                     |
 | Copyright (C) 2008-2009, RoundCube Dev. - Switzerland                 |
 | Licensed under the GNU GPL                                            |
 |                                                                       |
 | PURPOSE:                                                              |
 |   Class to handle HTML page output using a skin template.             |
 |   Extends rcube_html_page class from rcube_shared.inc                 |
 |                                                                       |
 +-----------------------------------------------------------------------+
 | Author: Thomas Bruederli <roundcube@gmail.com>                        |
 +-----------------------------------------------------------------------+

 $Id:  $

*/


/**
 * View class to produce JSON responses
 *
 * @package View
 */
class rcube_json_output
{
    private $config;
    private $charset = RCMAIL_CHARSET;
    private $env = array();
    private $texts = array();
    private $commands = array();
    private $callbacks = array();
    private $message = null;

    public $type = 'js';
    public $ajax_call = true;
    
    
    /**
     * Constructor
     */
    public function __construct($task)
    {
        $this->config = rcmail::get_instance()->config;
    }
    
    
    /**
     * Set environment variable
     *
     * @param string Property name
     * @param mixed Property value
     */
    public function set_env($name, $value)
    {
        $this->env[$name] = $value;
    }
    
    /**
     * Issue command to set page title
     *
     * @param string New page title
     */
    public function set_pagetitle($title)
    {
        $name = $this->config->get('product_name');
        $this->command('set_pagetitle', JQ(empty($name) ? $title : $name.' :: '.$title));
    }

    /**
     * @ignore
     */
    function set_charset($charset)
    {
        // ignore: $this->charset = $charset;
    }


    /**
     * Get charset for output
     *
     * @return string Output charset
     */
    function get_charset()
    {
        return $this->charset;
    }


    /**
     * Register a template object handler
     *
     * @param  string Object name
     * @param  string Function name to call
     * @return void
     */
    public function add_handler($obj, $func)
    {
        // ignore
    }

    /**
     * Register a list of template object handlers
     *
     * @param  array Hash array with object=>handler pairs
     * @return void
     */
    public function add_handlers($arr)
    {
        // ignore
    }
    
    
    /**
     * Call a client method
     *
     * @param string Method to call
     * @param ... Additional arguments
     */
    public function command()
    {
        $cmd = func_get_args();
        
        if (strpos($cmd[0], 'plugin.') === 0)
          $this->callbacks[] = $cmd;
        else
          $this->commands[] = $cmd;
    }
    
    
    /**
     * Add a localized label to the client environment
     */
    public function add_label()
    {
        $args = func_get_args();
        if (count($args) == 1 && is_array($args[0]))
            $args = $args[0];
        
        foreach ($args as $name) {
            $this->texts[$name] = rcube_label($name);
        }
    }
    

    /**
     * Invoke display_message command
     *
     * @param string Message to display
     * @param string Message type [notice|confirm|error]
     * @param array Key-value pairs to be replaced in localized text
     * @param boolean Override last set message
     * @uses self::command()
     */
    public function show_message($message, $type='notice', $vars=null, $override=true)
    {
        if ($override || !$this->message) {
            $this->message = $message;
            $this->command(
                'display_message',
                rcube_label(array('name' => $message, 'vars' => $vars)),
                $type
            );
        }
    }
    
    /**
     * Delete all stored env variables and commands
     */
    public function reset()
    {
        $this->env = array();
        $this->texts = array();
        $this->commands = array();
    }
    
    /**
     * Redirect to a certain url
     *
     * @param mixed Either a string with the action or url parameters as key-value pairs
     * @see rcmail::url()
     */
    public function redirect($p = array(), $delay = 1)
    {
        $location = rcmail::get_instance()->url($p);
        $this->remote_response("window.setTimeout(\"location.href='{$location}'\", $delay);");
        exit;
    }
    
    
    /**
     * Send an AJAX response to the client.
     */
    public function send()
    {
        $this->remote_response();
        exit;
    }
    
    
    /**
     * Send an AJAX response with executable JS code
     *
     * @param  string  Additional JS code
     * @param  boolean True if output buffer should be flushed
     * @return void
     * @deprecated
     */
    public function remote_response($add='')
    {
        static $s_header_sent = false;

        if (!$s_header_sent) {
            $s_header_sent = true;
            send_nocacheing_headers();
            header('Content-Type: text/plain; charset=' . $this->get_charset());
            print '/** ajax response ['.date('d/M/Y h:i:s O')."] **/\n";
        }

        // unset default env vars
        unset($this->env['task'], $this->env['action'], $this->env['comm_path']);

        $rcmail = rcmail::get_instance();
        $response = array('action' => $rcmail->action, 'unlock' => (bool)$_REQUEST['_unlock']);
        
        if (!empty($this->env))
          $response['env'] = $this->env;
          
        if (!empty($this->texts))
          $response['texts'] = $this->texts;

        // send function calls
        $response['exec'] = $this->get_js_commands() . $add;
        
        if (!empty($this->callbacks))
          $response['callbacks'] = $this->callbacks;

        echo json_serialize($response);
    }
    
    
    /**
     * Return executable javascript code for all registered commands
     *
     * @return string $out
     */
    private function get_js_commands()
    {
        $out = '';
        
        foreach ($this->commands as $i => $args) {
            $method = array_shift($args);
            foreach ($args as $i => $arg) {
                $args[$i] = json_serialize($arg);
            }

            $out .= sprintf(
                "this.%s(%s);\n",
                preg_replace('/^parent\./', '', $method),
                implode(',', $args)
            );
        }

        return $out;
    }
}