class ChartsAmcharts in Charts and Graphs 6
Implementation of abstract class ChartCanvas for amCharts library.
Hierarchy
- class \ChartCanvas
- class \ChartsAmcharts
Expanded class hierarchy of ChartsAmcharts
1 string reference to 'ChartsAmcharts'
- amcharts_chartgraph_provider in apis/
amcharts/ amcharts.module - Implementation of hook_charts_graphs_provider().
File
- apis/
amcharts/ amcharts.class.inc, line 12 - Implementation of abstract class ChartCanvas for amCharts library.
View source
class ChartsAmcharts extends ChartCanvas {
/*
* Function that preprocesses generalized data structure and saves it in the
* form suitable for specific charting implementation.
*
* @see ChartCanvas::set_data()
*/
function set_data($rows, $x_labels) {
$this->series = $rows;
$this->x_labels = $x_labels;
}
function _preprocess_values() {
if (in_array($this->type, array(
'pie',
'donut',
))) {
return $this
->_preprocess_values_pie();
}
else {
return $this
->_preprocess_values_not_pie();
}
}
function _preprocess_values_pie() {
$pie_data = array();
$keys = array_keys($this->series);
$first_key = $keys[0];
$first_series = $this->series[$first_key];
$idx = 0;
$max_val = max($first_series);
$max_idx = -1;
if (is_array($first_series)) {
foreach ($first_series as $val) {
$pie_data[$this->x_labels[$idx]] = $val;
if ($val == $max_val) {
$max_idx = $idx;
}
$idx++;
}
}
$out = '<pie>';
if (is_array($pie_data)) {
$idx = 0;
foreach ($pie_data as $label => $point) {
$pullout = $idx == $max_idx ? " pull_out='true' " : '';
$out .= "<slice title='{$label}' {$pullout} >{$point}</slice>";
$idx++;
}
}
$out .= '</pie>';
return $out;
}
function _preprocess_values_not_pie() {
$out = "<chart><series>\n";
if (is_array($this->x_labels)) {
$i = 1;
foreach ($this->x_labels as $label) {
$out .= "<value xid='{$i}'>{$label}</value>\n";
$i++;
}
}
$out .= "</series><graphs>\n";
if (is_array($this->series)) {
foreach ($this->series as $name => $graph) {
$out .= "<graph title='{$name}' bullet='round'";
if (strpos($this->type, 'area') !== FALSE) {
$out .= " fill_alpha='50'";
}
$out .= ">\n";
if (is_array($graph)) {
$j = 1;
foreach ($graph as $val) {
$out .= "<value xid='{$j}'>{$val}</value>\n";
$j++;
}
}
$out .= "</graph>\n";
}
}
$out .= "</graphs></chart>\n";
return $out;
}
function get_chart() {
$unique = chart_graphs_random_hash();
$am_column_type = NULL;
$am_y_axe_type = NULL;
switch ($this->type) {
case 'bar':
$am_category = 'amcolumn';
$am_type = 'column';
break;
case 'stacked_bar':
$am_category = 'amcolumn';
$am_type = 'column';
$am_column_type = 'stacked';
break;
case '100_stacked_bar':
$am_category = 'amcolumn';
$am_type = 'column';
$am_column_type = '100% stacked';
break;
case 'bar_3d':
$am_category = 'amcolumn';
$am_type = 'column';
$am_column_type = '3d column';
break;
case 'side_bar':
$am_category = 'amcolumn';
$am_type = 'bar';
break;
case 'stacked_side_bar':
$am_category = 'amcolumn';
$am_type = 'bar';
$am_column_type = 'stacked';
break;
case '100_stacked_side_bar':
$am_category = 'amcolumn';
$am_type = 'bar';
$am_column_type = '100% stacked';
break;
case 'side_bar_3d':
$am_category = 'amcolumn';
$am_type = 'bar';
$am_column_type = '3d column';
break;
case 'line':
$am_category = 'amline';
$am_type = 'line';
break;
case 'area':
$am_category = 'amline';
$am_type = 'line';
break;
case 'stacked_area':
$am_category = 'amline';
$am_type = 'line';
$am_y_axe_type = 'stacked';
break;
case '100_stacked_area':
$am_category = 'amline';
$am_type = 'line';
$am_y_axe_type = '100% stacked';
break;
case 'pie':
$am_category = 'ampie';
$am_type = 'pie';
break;
case 'donut':
$am_category = 'ampie';
$am_type = 'donut';
break;
}
$color = empty($this->colour) ? '#ffffff' : $this->colour;
$width = $this->width;
$height = $this->height;
$data = $this
->_preprocess_values();
if (isset($this->y_legend)) {
$y_legend = sprintf('<labels>
<label>
<x>2%%</x>
<y>100%%</y>
<align>center</align>
<rotate>true</rotate>
<text>
%s
</text>
</label>
</labels>', strip_tags($this->y_legend));
}
else {
$y_legend = '';
}
if (isset($am_column_type)) {
$column = sprintf('<column>
<type>%s</type>
</column>', $am_column_type);
}
else {
$column = '';
}
if (isset($am_y_axe_type)) {
$y_axe_type = sprintf("<axes>\n <y_left>\n <type>%s</type>\n </y_left>\n </axes>", $am_y_axe_type);
}
else {
$y_axe_type = '';
}
$settings = "<settings>\n <type>{$am_type}</type>\n <depth>5</depth>\n <background><color>{$color}</color>\n <alpha>80</alpha></background>\n <js_enabled>false</js_enabled> \n <redraw>true</redraw> \n <data_labels>\n <show><![CDATA[{title}: {value}%]]></show>\n <line_color>#FFFFFF</line_color> \n <line_alpha>40</line_alpha>\n </data_labels>\n {$y_legend}\n {$column}\n {$y_axe_type}\n <pie>\n <inner_radius>20%</inner_radius>\n <height>20</height>\n <angle>30</angle>\n <hover_brightness>-20</hover_brightness>\n <gradient>linear</gradient>\n <gradient_ratio>-10,60</gradient_ratio>\n </pie>\n </settings>";
$settings = str_replace("\n", '', $settings);
$settings = preg_replace('/>\\s+?</im', '><', $settings);
$wmode = $this
->get_wmode();
$mod_path = drupal_get_path('module', $this
->getModuleName());
$file = url("{$mod_path}/downloaded/{$am_category}.swf", array(
'absolute' => TRUE,
));
//-- Prepare URLs that javascript will retrieve data from, using cache:
$unique = chart_graphs_random_hash();
$arr = (array) $this;
$tocache = new stdClass();
$tocache->settings = $settings;
$tocache->data = $data;
cache_set($unique, $tocache, 'cache', time() + 30);
//Keep for at least 30 seconds;
$settings_url_query = sprintf('cid=%s', $unique);
$settings_url = url('amcharts/getdata/settings', array(
'absolute' => TRUE,
'query' => $settings_url_query,
));
$data_url_query = sprintf('cid=%s', $unique);
$data_url = url('amcharts/getdata/data', array(
'absolute' => TRUE,
'query' => $data_url_query,
));
$flashvars = array(
//'chart_settings' => $settings,
//'chart_data' => $data,
'settings_file' => 'SWFSETTINGSURL',
'data_file' => 'SWFDATAURL',
'preloader_color' => '#999999',
'wmode' => $wmode,
);
$args = array(
'params' => array(
'width' => $width,
'height' => $height,
'wmode' => $wmode,
),
'flashvars' => $flashvars,
);
$out = swf($file, $args);
$out = str_replace('SWFSETTINGSURL', $settings_url, $out);
$out = str_replace('SWFDATAURL', $data_url, $out);
return $out;
}
}Members
Name |
Modifiers | Type | Description | Overrides |
|---|---|---|---|---|
|
ChartCanvas:: |
property | 1 | ||
|
ChartCanvas:: |
protected | property | ||
|
ChartCanvas:: |
property | An array of series of values. Each element in a series (which is also an array in itself) is a numeric value of "measurement". | ||
|
ChartCanvas:: |
property | 1 | ||
|
ChartCanvas:: |
property | |||
|
ChartCanvas:: |
protected | property | ||
|
ChartCanvas:: |
property | 1 | ||
|
ChartCanvas:: |
property | For flash charts only Possible values are "window", "opaque" and "transparent" | ||
|
ChartCanvas:: |
property | Identifies each value in a data series. The same identification is used for all data series. | ||
|
ChartCanvas:: |
property | Text presented next to the left Y axis. | ||
|
ChartCanvas:: |
function | |||
|
ChartCanvas:: |
function | |||
|
ChartCanvas:: |
function | |||
|
ChartCanvas:: |
static | function | ||
|
ChartCanvas:: |
static | function | ||
|
ChartCanvas:: |
function | Constructor function. | ||
|
ChartsAmcharts:: |
function |
Function that renders data. Overrides ChartCanvas:: |
||
|
ChartsAmcharts:: |
function |
Overrides ChartCanvas:: |
||
|
ChartsAmcharts:: |
function | |||
|
ChartsAmcharts:: |
function | |||
|
ChartsAmcharts:: |
function |