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
|
<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*/
use Piwik\Common;
/**
* Reads the requested DataTable from the API and prepare data for the Sparkline view.
*
* @package Piwik
* @subpackage Piwik_ViewDataTable
*/
class Piwik_ViewDataTable_Sparkline extends Piwik_ViewDataTable
{
protected function getViewDataTableId()
{
return 'sparkline';
}
/**
* @see Piwik_ViewDataTable::main()
* @return mixed
*/
public function main()
{
if ($this->mainAlreadyExecuted) {
return;
}
$this->mainAlreadyExecuted = true;
// If period=range, we force the sparkline to draw daily data points
$period = Common::getRequestVar('period');
if ($period == 'range') {
$_GET['period'] = 'day';
}
$this->loadDataTableFromAPI();
// then revert the hack for potentially subsequent getRequestVar
$_GET['period'] = $period;
$values = $this->getValuesFromDataTable($this->dataTable);
$this->isDataAvailable = true;
if (empty($values)) {
$values = array_fill(0, 30, 0);
$this->isDataAvailable = false;
}
$graph = new Piwik_Visualization_Sparkline();
$graph->setValues($values);
$height = Common::getRequestVar('height', 0, 'int');
if (!empty($height)) {
$graph->setHeight($height);
}
$width = Common::getRequestVar('width', 0, 'int');
if (!empty($width)) {
$graph->setWidth($width);
}
$graph->main();
$this->view = $graph;
}
protected function getValuesFromDataTableArray($dataTableArray, $columnToPlot)
{
$dataTableArray->applyQueuedFilters();
$values = array();
foreach ($dataTableArray->getArray() as $table) {
if ($table->getRowsCount() > 1) {
throw new Exception("Expecting only one row per DataTable");
}
$value = 0;
$onlyRow = $table->getFirstRow();
if ($onlyRow !== false) {
if (!empty($columnToPlot)) {
$value = $onlyRow->getColumn($columnToPlot);
} // if not specified, we load by default the first column found
// eg. case of getLastDistinctCountriesGraph
else {
$columns = $onlyRow->getColumns();
$value = current($columns);
}
}
$values[] = $value;
}
return $values;
}
protected function getValuesFromDataTable($dataTable)
{
$columns = $this->getColumnsToDisplay();
$columnToPlot = false;
if (!empty($columns)) {
$columnToPlot = $columns[0];
}
$values = false;
// a Piwik_DataTable_Array is returned when using the normal code path to request data from Archives, in all core plugins
// however plugins can also return simple datatable, hence why the sparkline can accept both data types
if ($this->dataTable instanceof Piwik_DataTable_Array) {
$values = $this->getValuesFromDataTableArray($dataTable, $columnToPlot);
} elseif ($this->dataTable instanceof Piwik_DataTable) {
$values = $this->dataTable->getColumn($columnToPlot);
}
return $values;
}
}
|
