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
|
<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Base class for screen elements containing surrogate screen with graphs from sources generated from prototypes.
*/
abstract class CScreenLldGraphBase extends CScreenBase {
/**
* Surrogate screen constructed to contain all graphs created from selected graph prototype.
*
* @var array
*/
protected $surrogateScreen;
/**
* Screen of this screen item.
*
* @var array
*/
protected $screen = null;
/**
* Returns output of screen element or null if there are no graphs/items for surrogate screen.
*
* @return CDiv|null
*/
public function get() {
if ($this->mode == SCREEN_MODE_EDIT) {
$output = $this->getOutput($this->getPreviewOutput());
}
else {
$screenItems = $this->getSurrogateScreenItems();
if ($screenItems) {
$this->createSurrogateScreen($screenItems);
$this->calculateSurrogateScreenSizes();
$screenBuilder = $this->makeSurrogateScreenBuilder();
$output = $this->getOutput($screenBuilder->show(), true);
}
else {
$output = null;
}
}
return $output;
}
/**
* Creates surrogate screen from data of this screen item.
*
* @param array $screenItems
*/
protected function createSurrogateScreen(array $screenItems = []) {
$screenId = $this->screenitem['screenitemid'].'_'.$this->screenitem['resourceid'];
foreach ($screenItems as &$screenItem) {
$screenItem['screenid'] = $screenId;
}
unset($screenItem);
$this->surrogateScreen = [
'screenid' => $screenId,
'dynamic' => $this->screenitem['dynamic'],
'hsize' => 0,
'vsize' => 0,
'templateid' => 0,
'screenitems' => $screenItems
];
}
/**
* Calculates "hsize", "vsize" for surrogate screen and "x" and "y" for surrogate screen items.
*/
protected function calculateSurrogateScreenSizes() {
$screenItemCount = count($this->surrogateScreen['screenitems']);
$maxColumns = $this->screenitem['max_columns'];
$this->surrogateScreen['hsize'] = ($screenItemCount >= $maxColumns) ? $maxColumns : $screenItemCount;
$this->surrogateScreen['vsize'] = floor($screenItemCount / $maxColumns) + 1;
foreach ($this->surrogateScreen['screenitems'] as $key => &$screenItem) {
$screenItem['x'] = $key % $maxColumns;
$screenItem['y'] = floor($key / $maxColumns);
}
unset($screenItem);
}
/**
* Returns screen builder used to generate output from surrogate screen.
*
* @return CScreenBuilder
*/
protected function makeSurrogateScreenBuilder() {
return new CScreenBuilder([
'isFlickerfree' => $this->isFlickerfree,
'mode' => $this->mode,
'timestamp' => $this->timestamp,
'screen' => $this->surrogateScreen,
'from' => $this->timeline['from'],
'to' => $this->timeline['to'],
'profileIdx' => $this->profileIdx,
'profileIdx2' => $this->profileIdx2,
'hostid' => $this->hostid
]);
}
/**
* Returns template for screen item with specified type.
*
* @param integer $resourceType Resource type, one of SCREEN_RESOURCE_* constants.
*
* @return array
*/
protected function getScreenItemTemplate($resourceType) {
return [
'resourcetype' => $resourceType,
'rowspan' => 1,
'colspan' => 1,
'height' => $this->screenitem['height'],
'width' => $this->screenitem['width'],
'dynamic' => $this->screenitem['dynamic'],
'halign' => $this->screenitem['halign'],
'valign' => $this->screenitem['valign'],
'url' => ''
];
}
/**
* @param array $screenItems
*/
protected function addItemsToSurrogateScreen(array $screenItems) {
foreach ($screenItems as $screenItem) {
$this->surrogateScreen['screenitems'][] = $screenItem;
}
}
/**
* Gathers and returns items for surrogate screen.
*
* @abstract
*
* @return array
*/
abstract protected function getSurrogateScreenItems();
/**
* Returns content for preview of graph.
*
* @abstract
*
* @return CTag
*/
abstract protected function getPreviewOutput();
}
|
