|
1
|
|
|
<?php namespace Cerbero\Workflow\Console\Drawing; |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Geometry applied to the drawing. |
|
5
|
|
|
* |
|
6
|
|
|
* @author Andrea Marco Sartori |
|
7
|
|
|
*/ |
|
8
|
|
|
class Geometry { |
|
9
|
|
|
|
|
10
|
|
|
const BORDER_WIDTH = 1; |
|
11
|
|
|
|
|
12
|
|
|
const MIN_SPACE_FROM_BORDER_X = 1; |
|
13
|
|
|
|
|
14
|
|
|
const MIN_SPACE_FROM_BORDER_Y = 0; |
|
15
|
|
|
|
|
16
|
|
|
const ARROW_WIDTH = 1; |
|
17
|
|
|
|
|
18
|
|
|
const MIN_PIPE_LENGTH = 8; |
|
19
|
|
|
|
|
20
|
|
|
const SPACE_FROM_ARROW = 1; |
|
21
|
|
|
|
|
22
|
|
|
/** |
|
23
|
|
|
* @author Andrea Marco Sartori |
|
24
|
|
|
* @var string $core The name of the core. |
|
25
|
|
|
*/ |
|
26
|
|
|
protected $core; |
|
27
|
|
|
|
|
28
|
|
|
/** |
|
29
|
|
|
* @author Andrea Marco Sartori |
|
30
|
|
|
* @var array $pipes List of pipes. |
|
31
|
|
|
*/ |
|
32
|
|
|
protected $pipes; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @author Andrea Marco Sartori |
|
36
|
|
|
* @var integer $nesting Nesting level. |
|
37
|
|
|
*/ |
|
38
|
|
|
protected $nesting = 0; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* Set the name of the core. |
|
42
|
|
|
* |
|
43
|
|
|
* @author Andrea Marco Sartori |
|
44
|
|
|
* @param string $core |
|
45
|
|
|
* @return void |
|
46
|
|
|
*/ |
|
47
|
|
|
public function setCore($core) |
|
48
|
|
|
{ |
|
49
|
|
|
$this->core = $core; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* Set the pipes. |
|
54
|
|
|
* |
|
55
|
|
|
* @author Andrea Marco Sartori |
|
56
|
|
|
* @param array $pipes |
|
57
|
|
|
* @return void |
|
58
|
|
|
*/ |
|
59
|
|
|
public function setPipes(array $pipes) |
|
60
|
|
|
{ |
|
61
|
|
|
$this->pipes = $pipes; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
/** |
|
65
|
|
|
* Calculate the half width of the drawing. |
|
66
|
|
|
* |
|
67
|
|
|
* @author Andrea Marco Sartori |
|
68
|
|
|
* @param boolean $up |
|
69
|
|
|
* @return integer |
|
70
|
|
|
*/ |
|
71
|
|
|
public function getHalfWidth($up = false) |
|
72
|
|
|
{ |
|
73
|
|
|
$number = $this->getTotalWidth(); |
|
74
|
|
|
|
|
75
|
|
|
return $this->roundHalf($number, $up); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
/** |
|
79
|
|
|
* Round the half of a number, either up or down. |
|
80
|
|
|
* |
|
81
|
|
|
* @author Andrea Marco Sartori |
|
82
|
|
|
* @param integer $number |
|
83
|
|
|
* @param boolean $up |
|
84
|
|
|
* @return integer |
|
85
|
|
|
*/ |
|
86
|
|
|
private function roundHalf($number, $up) |
|
87
|
|
|
{ |
|
88
|
|
|
$round = $up ? 'ceil' : 'floor'; |
|
89
|
|
|
|
|
90
|
|
|
return $round($number / 2); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* Calculate the total width of the drawing. |
|
95
|
|
|
* |
|
96
|
|
|
* @author Andrea Marco Sartori |
|
97
|
|
|
* @return integer |
|
98
|
|
|
*/ |
|
99
|
|
|
protected function getTotalWidth() |
|
100
|
|
|
{ |
|
101
|
|
|
$borders = (static::BORDER_WIDTH + static::MIN_SPACE_FROM_BORDER_X) * 2; |
|
102
|
|
|
|
|
103
|
|
|
if(empty($this->pipes)) |
|
104
|
|
|
{ |
|
105
|
|
|
return $borders + $this->getCoreLength(); |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
$borders *= count($this->pipes); |
|
109
|
|
|
|
|
110
|
|
|
$name = ($this->getLongestPipeLength() + static::SPACE_FROM_ARROW) * 2; |
|
111
|
|
|
|
|
112
|
|
|
return $borders + $name + static::ARROW_WIDTH; |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
/** |
|
116
|
|
|
* Calculate the length of the core name. |
|
117
|
|
|
* |
|
118
|
|
|
* @author Andrea Marco Sartori |
|
119
|
|
|
* @return integer |
|
120
|
|
|
*/ |
|
121
|
|
|
protected function getCoreLength() |
|
122
|
|
|
{ |
|
123
|
|
|
return strlen($this->core); |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** |
|
127
|
|
|
* Calculate the length of the longest pipe name. |
|
128
|
|
|
* |
|
129
|
|
|
* @author Andrea Marco Sartori |
|
130
|
|
|
* @return integer |
|
131
|
|
|
*/ |
|
132
|
|
|
protected function getLongestPipeLength() |
|
133
|
|
|
{ |
|
134
|
|
|
if(empty($this->pipes)) return 0; |
|
135
|
|
|
|
|
136
|
|
|
return array_reduce($this->pipes, function($carry, $pipe) |
|
137
|
|
|
{ |
|
138
|
|
|
return strlen($pipe) > $carry ? strlen($pipe) : $carry; |
|
139
|
|
|
|
|
140
|
|
|
}, static::MIN_PIPE_LENGTH); |
|
141
|
|
|
} |
|
142
|
|
|
|
|
143
|
|
|
/** |
|
144
|
|
|
* Retrieve the spaced pipe and method pair. |
|
145
|
|
|
* |
|
146
|
|
|
* @author Andrea Marco Sartori |
|
147
|
|
|
* @param string $pipe |
|
148
|
|
|
* @param string $arrow |
|
149
|
|
|
* @param string $method |
|
150
|
|
|
* @return string |
|
151
|
|
|
*/ |
|
152
|
|
|
public function getSpacedPipe($pipe, $arrow, $method) |
|
153
|
|
|
{ |
|
154
|
|
|
$left = $this->getSpacesByWord($pipe); |
|
155
|
|
|
|
|
156
|
|
|
$arrow = $this->addSpacesToArrow($arrow); |
|
157
|
|
|
|
|
158
|
|
|
$right = $this->getSpacesByWord($method); |
|
159
|
|
|
|
|
160
|
|
|
return $left.$pipe.$arrow.$method.$right; |
|
161
|
|
|
} |
|
162
|
|
|
|
|
163
|
|
|
/** |
|
164
|
|
|
* Retrieve the blank spaces close to a word. |
|
165
|
|
|
* |
|
166
|
|
|
* @author Andrea Marco Sartori |
|
167
|
|
|
* @param string $word |
|
168
|
|
|
* @return string |
|
169
|
|
|
*/ |
|
170
|
|
|
protected function getSpacesByWord($word) |
|
171
|
|
|
{ |
|
172
|
|
|
$length = $this->getSideBordersLength() + static::SPACE_FROM_ARROW + static::ARROW_WIDTH; |
|
173
|
|
|
|
|
174
|
|
|
$extra = $this->getHalfWidth(true) - $length - strlen($word); |
|
175
|
|
|
|
|
176
|
|
|
return $extra > 0 ? str_repeat(' ', $extra) : ''; |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
/** |
|
180
|
|
|
* Retrieve the length of the borders of a side. |
|
181
|
|
|
* |
|
182
|
|
|
* @author Andrea Marco Sartori |
|
183
|
|
|
* @return integer |
|
184
|
|
|
*/ |
|
185
|
|
|
protected function getSideBordersLength() |
|
186
|
|
|
{ |
|
187
|
|
|
$border = (static::BORDER_WIDTH + static::MIN_SPACE_FROM_BORDER_X); |
|
188
|
|
|
|
|
189
|
|
|
return $border * $this->nesting; |
|
190
|
|
|
} |
|
191
|
|
|
|
|
192
|
|
|
/** |
|
193
|
|
|
* Add spaces around the given arrow. |
|
194
|
|
|
* |
|
195
|
|
|
* @author Andrea Marco Sartori |
|
196
|
|
|
* @param string $arrow |
|
197
|
|
|
* @return string |
|
198
|
|
|
*/ |
|
199
|
|
|
protected function addSpacesToArrow($arrow) |
|
200
|
|
|
{ |
|
201
|
|
|
$spaces = str_repeat(' ', static::SPACE_FROM_ARROW); |
|
202
|
|
|
|
|
203
|
|
|
return "{$spaces}{$arrow}{$spaces}"; |
|
204
|
|
|
} |
|
205
|
|
|
|
|
206
|
|
|
/** |
|
207
|
|
|
* Retrieve the left borders formatted with the given border. |
|
208
|
|
|
* |
|
209
|
|
|
* @author Andrea Marco Sartori |
|
210
|
|
|
* @param string $border |
|
211
|
|
|
* @return string |
|
212
|
|
|
*/ |
|
213
|
|
|
public function getLeftBordersWith($border) |
|
214
|
|
|
{ |
|
215
|
|
|
$border = str_repeat($border, static::BORDER_WIDTH); |
|
216
|
|
|
|
|
217
|
|
|
$space = str_repeat(' ', static::MIN_SPACE_FROM_BORDER_X); |
|
218
|
|
|
|
|
219
|
|
|
return str_repeat("{$border}{$space}", $this->nesting); |
|
220
|
|
|
} |
|
221
|
|
|
|
|
222
|
|
|
/** |
|
223
|
|
|
* Retrieve the right borders formatted with the given border. |
|
224
|
|
|
* |
|
225
|
|
|
* @author Andrea Marco Sartori |
|
226
|
|
|
* @param string $border |
|
227
|
|
|
* @return string |
|
228
|
|
|
*/ |
|
229
|
|
|
public function getRightBordersWith($border) |
|
230
|
|
|
{ |
|
231
|
|
|
$space = str_repeat(' ', static::MIN_SPACE_FROM_BORDER_X); |
|
232
|
|
|
|
|
233
|
|
|
$border = str_repeat($border, static::BORDER_WIDTH); |
|
234
|
|
|
|
|
235
|
|
|
return str_repeat("{$space}{$border}", $this->nesting); |
|
236
|
|
|
} |
|
237
|
|
|
|
|
238
|
|
|
/** |
|
239
|
|
|
* Increase the nesting level. |
|
240
|
|
|
* |
|
241
|
|
|
* @author Andrea Marco Sartori |
|
242
|
|
|
* @return void |
|
243
|
|
|
*/ |
|
244
|
|
|
public function increaseNesting() |
|
245
|
|
|
{ |
|
246
|
|
|
$this->nesting++; |
|
247
|
|
|
} |
|
248
|
|
|
|
|
249
|
|
|
/** |
|
250
|
|
|
* Calculate the width of the drawing without the borders. |
|
251
|
|
|
* |
|
252
|
|
|
* @author Andrea Marco Sartori |
|
253
|
|
|
* @return integer |
|
254
|
|
|
*/ |
|
255
|
|
|
public function getWidthButBorders() |
|
256
|
|
|
{ |
|
257
|
|
|
return $this->getTotalWidth() - $this->getBordersLength(); |
|
258
|
|
|
} |
|
259
|
|
|
|
|
260
|
|
|
/** |
|
261
|
|
|
* Calculate the length of the borders. |
|
262
|
|
|
* |
|
263
|
|
|
* @author Andrea Marco Sartori |
|
264
|
|
|
* @return integer |
|
265
|
|
|
*/ |
|
266
|
|
|
protected function getBordersLength() |
|
267
|
|
|
{ |
|
268
|
|
|
return $this->getSideBordersLength() * 2; |
|
269
|
|
|
} |
|
270
|
|
|
|
|
271
|
|
|
/** |
|
272
|
|
|
* Retrieve the spaced core name. |
|
273
|
|
|
* |
|
274
|
|
|
* @author Andrea Marco Sartori |
|
275
|
|
|
* @return string |
|
276
|
|
|
*/ |
|
277
|
|
|
public function getSpacedCore() |
|
278
|
|
|
{ |
|
279
|
|
|
$left = $this->getSpacesByCore(); |
|
280
|
|
|
|
|
281
|
|
|
$right = $this->getSpacesByCore(true); |
|
282
|
|
|
|
|
283
|
|
|
return $left.$this->core.$right; |
|
284
|
|
|
} |
|
285
|
|
|
|
|
286
|
|
|
/** |
|
287
|
|
|
* Retrieve the blank spaces close to the core. |
|
288
|
|
|
* |
|
289
|
|
|
* @author Andrea Marco Sartori |
|
290
|
|
|
* @param boolean $up |
|
291
|
|
|
* @return string |
|
292
|
|
|
*/ |
|
293
|
|
|
protected function getSpacesByCore($up = false) |
|
294
|
|
|
{ |
|
295
|
|
|
$free = $this->getTotalWidth() - $this->getBordersLength() - $this->getCoreLength(); |
|
296
|
|
|
|
|
297
|
|
|
return $free < 1 ? '' : str_repeat(' ', $this->roundHalf($free, $up)); |
|
298
|
|
|
} |
|
299
|
|
|
|
|
300
|
|
|
/** |
|
301
|
|
|
* Decrease the nesting level. |
|
302
|
|
|
* |
|
303
|
|
|
* @author Andrea Marco Sartori |
|
304
|
|
|
* @return void |
|
305
|
|
|
*/ |
|
306
|
|
|
public function decreaseNesting() |
|
307
|
|
|
{ |
|
308
|
|
|
$this->nesting--; |
|
309
|
|
|
} |
|
310
|
|
|
|
|
311
|
|
|
} |
|
312
|
|
|
|