css_theme_tool/block_css_theme_tool.php at master · samhemelryk/css_theme_tool · GitHub

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
<?php

/**
 * Contains the core class for the CSS theme tool
 *
 * @package block_css_theme_tool
 * @copyright 2012 Sam Hemelryk
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once($CFG->dirroot.'/blocks/css_theme_tool/lib.php');

/**
 * Description of block_css_theme_tool
 *
 * @package block_css_theme_tool
 * @copyright 2010 Sam Hemelryk <sam.hemelryk@gmail.com>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class block_css_theme_tool extends block_base {

    protected $visualversion = '0.4.0';

    public function init() {
        $this->title = get_string('pluginname', 'block_css_theme_tool');
    }

    public function applicable_formats() {
        return array('all' => true);
    }

    public function instance_allow_multiple() {
        return false;
    }

    public function get_content() {
        if ($this->content !== NULL) {
            return $this->content;
        }

        $this->content = new stdClass;
        $this->content->footer = '';
        $this->content->text = '';

        $csssupported = false;
        if ($this->page->state == moodle_page::STATE_BEFORE_HEADER) {
            $csssupported = true;
            $this->page->requires->css(css_theme_tool::get_cached_file_url($this->context));
        } else {
            //$this->page->requires->js_init_call('M.block_css_theme_tool.init_css_by_js', array(css_theme_tool::get_cached_file_url($this->context)));
        }

        if (has_capability('block/css_theme_tool:modifystyles', $this->context)) {   // Show the block

            $savebuttonclasses = array('savechangesbutton');
            if (get_user_preferences('css_theme_tool_auto_save_changes', false)) {
                $savebuttonclasses[] = 'autosaveenabled';
            }

            $this->content->footer = get_string('version', 'block_css_theme_tool', $this->visualversion);
            $this->content->text .= html_writer::start_tag('div', array('class'=>'options'));
            $this->content->text .= html_writer::empty_tag('input', array('type'=>'button', 'value'=>get_string('addrule', 'block_css_theme_tool'), 'class'=>'addrulebutton', 'disabled'=>'disabled'));
            $this->content->text .= html_writer::empty_tag('input', array('type'=>'button', 'value'=>get_string('viewcss', 'block_css_theme_tool'), 'class'=>'viewcssbutton', 'disabled'=>'disabled'));
            $this->content->text .= html_writer::empty_tag('input', array('type'=>'button', 'value'=>get_string('savechanges', 'block_css_theme_tool'), 'class'=>join(' ', $savebuttonclasses), 'disabled'=>'disabled'));
            $this->content->text .= html_writer::empty_tag('input', array('type'=>'button', 'value'=>get_string('settings'), 'class'=>'settingsbutton', 'disabled'=>'disabled'));
            $this->content->text .= html_writer::end_tag('div');

            if (!$csssupported) {
                $this->content->text .= html_writer::tag('div', get_string('cssnotsupported','block_css_theme_tool'), array('class'=>'cssnotsupported'));
            }

            $this->initialise_javascript();

            user_preference_allow_ajax_update('css_theme_tool_full_body_tags',      PARAM_BOOL);
            user_preference_allow_ajax_update('css_theme_tool_auto_save_changes',   PARAM_BOOL);
            user_preference_allow_ajax_update('css_theme_tool_only_view_my_rules',  PARAM_BOOL);
        }

        return $this->content;
    }

    public function initialise_javascript() {
        global $USER;

        $currentuseronly = get_user_preferences('css_theme_tool_only_view_my_rules', false);
        $modules = array(
            'moodle-block_css_theme_tool-csseditor'
        );
        $function = 'M.block_css_theme_tool.init';
        $arguments = array(
            'instanceid' => $this->instance->id,
            'css' => css_theme_tool::get_rules_for_json($currentuseronly),
            'settings' => array(
                'userid' => $USER->id,
                'fullbodytags' => (get_user_preferences('css_theme_tool_full_body_tags', false)),
                'autosaveonchange' => (get_user_preferences('css_theme_tool_auto_save_changes', false)),
                'onlyviewmyrules' => $currentuseronly
            )
        );
        $this->page->requires->yui_module($modules, $function, array($arguments));
        $this->page->requires->strings_for_js(array(
            'savenotification',
            'cannotfindnode',
            'errorcapturingclick',
            'highlight',
            'save',
            'cancel',
            'addnewstyle',
            'purgerules',
            'purgerulesdesc',
            'purgerulesconfirm',
            'purgerulescomplete',
            'close',
            'exportcss',
            'exportcssdesc',
            'exporttheme',
            'exportthemedesc',
            'showadvancedbodytags',
            'showadvancedbodytagsdesc',
            'opacityprompt',
            'roundedcorners',
            'postopleft',
            'postopright',
            'posbottomleft',
            'posbottomright',
            'set',
            'fontcolour',
            'backgroundcolour',
            'bold',
            'italic',
            'underline',
            'alignleft',
            'aligncenter',
            'alignright',
            'roundedcorners',
            'opacity',
            'autosaveonchange',
            'autosaveonchangedesc',
            'onlyviewmyrules',
            'onlyviewmyrulesdesc',
            'preview',
            'viewthepage',
            'colourpickertitle',
            'csseditor'
        ), 'block_css_theme_tool');
    }

    public function send_file($context, $filearea, $itemid, $filepath, $filename) {
        $fs = get_file_storage();
        $file = $fs->get_file($context->id, 'block_css_theme_tool', $filearea, $itemid, $filepath, $filename);
        if ($file) {
            $session = new \core\session\manager();
            $session->write_close(); // unlock session during file serving.
            send_stored_file($file, 0, 0, true); // must force download - security!
        } else {
            send_file_not_found();
        }
    }
}