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
|
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains PMA\libraries\plugins\schema\pdf\RelationStatsPdf class
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\pdf;
use PMA\libraries\plugins\schema\RelationStats;
/**
* Relation preferences/statistics
*
* This class fetches the table master and foreign fields positions
* and helps in generating the Table references and then connects
* master table's master field to foreign table's foreign key
* in PDF document.
*
* @name Relation_Stats_Pdf
* @package PhpMyAdmin
* @see PMA_Schema_PDF::SetDrawColor, PMA_Schema_PDF::setLineWidthScale,
* Pdf::lineScale
*/
class RelationStatsPdf extends RelationStats
{
/**
* The "PMA\libraries\plugins\schema\pdf\RelationStatsPdf" constructor
*
* @param object $diagram The PDF diagram
* @param string $master_table The master table name
* @param string $master_field The relation field in the master table
* @param string $foreign_table The foreign table name
* @param string $foreign_field The relation field in the foreign table
*/
public function __construct(
$diagram, $master_table, $master_field, $foreign_table,
$foreign_field
) {
$this->wTick = 5;
parent::__construct(
$diagram, $master_table, $master_field, $foreign_table, $foreign_field
);
}
/**
* draws relation links and arrows shows foreign key relations
*
* @param boolean $showColor Whether to use one color per relation or not
* @param integer $i The id of the link to draw
*
* @access public
*
* @return void
*
* @see Pdf
*/
public function relationDraw($showColor, $i)
{
if ($showColor) {
$d = $i % 6;
$j = ($i - $d) / 6;
$j = $j % 4;
$j++;
$case = array(
array(1, 0, 0),
array(0, 1, 0),
array(0, 0, 1),
array(1, 1, 0),
array(1, 0, 1),
array(0, 1, 1)
);
list ($a, $b, $c) = $case[$d];
$e = (1 - ($j - 1) / 6);
$this->diagram->SetDrawColor($a * 255 * $e, $b * 255 * $e, $c * 255 * $e);
} else {
$this->diagram->SetDrawColor(0);
}
$this->diagram->setLineWidthScale(0.2);
$this->diagram->lineScale(
$this->xSrc,
$this->ySrc,
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc
);
$this->diagram->lineScale(
$this->xDest + $this->destDir * $this->wTick,
$this->yDest,
$this->xDest,
$this->yDest
);
$this->diagram->setLineWidthScale(0.1);
$this->diagram->lineScale(
$this->xSrc + $this->srcDir * $this->wTick,
$this->ySrc,
$this->xDest + $this->destDir * $this->wTick,
$this->yDest
);
/*
* Draws arrows ->
*/
$root2 = 2 * sqrt(2);
$this->diagram->lineScale(
$this->xSrc + $this->srcDir * $this->wTick * 0.75,
$this->ySrc,
$this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
$this->ySrc + $this->wTick / $root2
);
$this->diagram->lineScale(
$this->xSrc + $this->srcDir * $this->wTick * 0.75,
$this->ySrc,
$this->xSrc + $this->srcDir * (0.75 - 1 / $root2) * $this->wTick,
$this->ySrc - $this->wTick / $root2
);
$this->diagram->lineScale(
$this->xDest + $this->destDir * $this->wTick / 2,
$this->yDest,
$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
$this->yDest + $this->wTick / $root2
);
$this->diagram->lineScale(
$this->xDest + $this->destDir * $this->wTick / 2,
$this->yDest,
$this->xDest + $this->destDir * (0.5 + 1 / $root2) * $this->wTick,
$this->yDest - $this->wTick / $root2
);
$this->diagram->SetDrawColor(0);
}
}
|
