diff --git a/charts.module b/charts.module
index b7de676db7dc5df31074177cd1e642f710dc379f..5cf5cb04b6607ba0e0ff998e7a32d33427580a4e 100644
--- a/charts.module
+++ b/charts.module
@@ -162,3 +162,13 @@ function charts_theme() {
),
);
}
+
+/**
+* Implementation of hook_views_api().
+*/
+function charts_views_api() {
+ return array(
+ 'api' => 2,
+ 'path' => drupal_get_path('module', 'charts') .'/views',
+ );
+}
\ No newline at end of file
diff --git a/views/charts.views.inc b/views/charts.views.inc
new file mode 100644
index 0000000000000000000000000000000000000000..b23c455ade81c8bf36002ef899229db2ed8472fb
--- /dev/null
+++ b/views/charts.views.inc
@@ -0,0 +1,27 @@
+<?php
+
+/**
+* Implementation of hook_views_plugins().
+*
+* Define charts style for Views.
+*/
+function charts_views_plugins() {
+ return array(
+ 'module' => 'charts',
+ 'style' => array( // Declare the charts style plugin
+ 'chart' => array(
+ 'path' => drupal_get_path('module', 'charts') .'/views',
+ 'title' => t('Chart'),
+ //'theme' => 'views_view_chart',
+ 'help' => t('Displays the content in several Chart styles.'),
+ 'handler' => 'charts_plugin_style_chart',
+ 'uses row plugin' => FALSE,
+ 'uses fields' => TRUE,
+ 'uses options' => TRUE,
+ 'type' => 'normal',
+ 'help topic' => 'style-chart',
+ ),
+ )
+ );
+}
+
diff --git a/views/charts_plugin_style_chart.inc b/views/charts_plugin_style_chart.inc
new file mode 100644
index 0000000000000000000000000000000000000000..994623d0c66af3efe2fd75844889d31f2780eea7
--- /dev/null
+++ b/views/charts_plugin_style_chart.inc
@@ -0,0 +1,186 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Contains the chart style plugin.
+ */
+
+/**
+ * Style plugin to render view as a chart.
+ *
+ * @ingroup views_style_plugins
+ */
+class charts_plugin_style_chart extends views_plugin_style {
+ // Set default options.
+ function options(&$options) {
+ $options['format'] = 'pie2D';
+ $options['height'] = 200;
+ $options['width'] = 400;
+ $options['color'] = 'ffffff';
+ //$options['columns'] = array();
+ //$options['default'] = '';
+ //$options['info'] = array();
+ $options['conversion'] = 'rows';
+ }
+
+ // Generate a form for setting options.
+ function options_form(&$form, &$form_state) {
+ $form['format'] = array(
+ '#type' => 'select',
+ '#title' => t('Chart format'),
+ '#options' => array(
+ 'line2D' => t('Line 2D'),
+ 'hbar2D' => t('Horizontal Bar 2D'),
+ 'vbar2D' => t('Vertical Bar 2D'),
+ 'pie2D' => t('Pie 2D'),
+ 'pie3D' => t('Pie 3D'),
+ 'venn' => t('Venn'),
+ 'scatter' => t('Scatter Plot')
+ ),
+ '#default_value' => $this->options['format'],
+ );
+ $form['height'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Chart height'),
+ '#default_value' => $this->options['height'],
+ );
+ $form['width'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Chart width'),
+ '#default_value' => $this->options['width'],
+ );
+ $form['color'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Background color'),
+ '#default_value' => $this->options['color'],
+ '#description' => t('In hexadecimal format (RRGGBB). Do not use the # symbol.'),
+ );
+ $form['conversion'] = array(
+ '#type' => 'radios',
+ '#title' => t('Conversion type'),
+ '#options' => array(
+ 'rows' => t('Display numbers from every row'),
+ 'sum' => t('Display sum of different values from one column'),
+ ),
+ '#default_value' => $this->options['conversion'],
+ '#description' => t('In the first option every row will be a new x value in the chart. In the second option every different value in one column will be a new x value in the chart.'),
+ );
+ $form['show_legend'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Show legend'),
+ '#default_value' => 1,
+ '#description' => t('Display legend next to the chart.'),
+ );
+ }
+
+ // Define and display a test chart.
+ function render() {
+ // Scan all Views data and insert them into a series.
+
+ if ($this->options['conversion'] == 'rows') {
+ // Get columns.
+ foreach ($this->view->field as $key => $field) {
+ if ($this->view->field[$key]->options['label'] == 'chart label') {
+ $chart_label_column = $key;
+ continue;
+ }
+ if (!$field->options['exclude']) {
+ $data[$key]['#legend'] = ($this->options['show_legend']) ? $field->options['label'] : NULL;
+ }
+ }
+
+ // Get values from rows.
+ foreach ($this->view->result as $index => $row) {
+ if (!isset($chart_label_column)) {
+ $label = $index;
+ }
+ foreach ($this->view->field as $key => $field) {
+ if ($chart_label_column == $key) {
+ $label = theme_views_view_field($this->view, $this->view->field[$key], $row);
+ continue;
+ }
+ if ($this->view->field[$key]->options['exclude']) {
+ continue;
+ }
+ $field_alias = $this->view->field[$key]->field_alias;
+ if (isset($this->view->result[$index]->$field_alias)) {
+ // Try to get the value from the result.
+ $field_value = $this->view->result[$index]->$field_alias;
+ }
+ else {
+ // Try to get the value with theme function.
+ $field_value = theme_views_view_field($this->view, $this->view->field[$key], $row);
+ }
+ if (is_numeric($field_value)) {
+ $data[$key][$index]['#value'] = $field_value;
+ $data[$key][$index]['#label'] = $label;
+ }
+ }
+ }
+ }
+
+
+ if ($this->options['conversion'] == 'sum') {
+ // Get fields.
+ foreach ($this->view->field as $key => $field) {
+ if (!$this->view->field[$key]->options['exclude']) {
+ $data[$key]['#legend'] = ($this->options['show_legend']) ? $this->view->field[$key]->options['label'] : NULL;
+ }
+ }
+
+ // Get values from rows.
+ foreach ($this->view->result as $row) {
+ foreach ($this->view->field as $key => $field) {
+ if ($this->view->field[$key]->options['exclude']) {
+ continue;
+ }
+ $field_value = theme_views_view_field($this->view, $this->view->field[$key], $row);
+ if (!isset($data[$key][$field_value]['#value'])) {
+ $data[$key][$field_value]['#label'] = $field_value;
+ $data[$key][$field_value]['#value'] = 1;
+ }
+ else {
+ $data[$key][$field_value]['#value']++;
+ }
+ }
+ }
+
+ // Convert index, because Charts module only accepts numeric index on series.
+ // Don't really understund why is this restriction.
+ foreach ($data as $key => $series) {
+ $index = 0;
+ foreach ($series as $key2 => $value) {
+ if ($key2 == '#legend') {
+ continue;
+ }
+ $data[$key][$index] = $value;
+ unset($data[$key][$key2]);
+ $index++;
+ }
+ }
+
+ }
+
+
+ // Get chart settings from options form.
+ $chart = array(
+ '#type' => $this->options['format'],
+ '#height' => $this->options['height'],
+ '#width' => $this->options['width'],
+ '#color' => $this->options['color'],
+ );
+
+ // Use the view title as the chart title.
+ $chart['#title'] = $this->view->get_title();
+
+ // Insert series into the chart array.
+ foreach ($data as $series) {
+ $chart[] = $series;
+ }
+
+ // Print the chart.
+ return charts_chart($chart);
+ }
+}
+