openlayers_behavior_cluster.inc in Openlayers 7.2
Implementation of OpenLayers Cluster behavior.
File
plugins/behaviors/openlayers_behavior_cluster.incView source
<?php
/**
* @file
* Implementation of OpenLayers Cluster behavior.
*/
/**
* Cluster behavior
*/
class openlayers_behavior_cluster extends openlayers_behavior {
/**
* Provide initial values for options.
*/
function options_init() {
return array(
'clusterlayer' => array(),
'distance' => '20',
'threshold' => NULL,
'display_cluster_numbers' => TRUE,
'middle_lower_bound' => '15',
'middle_upper_bound' => '50',
'low_color' => 'rgb(141, 203, 61)',
'low_stroke_color' => 'rgb(141, 203, 61)',
'low_opacity' => '0.8',
'low_point_radius' => '10',
'low_label_outline' => '1',
'middle_color' => 'rgb(49, 190, 145)',
'middle_stroke_color' => 'rgb(49, 190, 145)',
'middle_opacity' => '0.8',
'middle_point_radius' => '16',
'middle_label_outline' => '1',
'high_color' => 'rgb(35, 59, 177)',
'high_stroke_color' => 'rgb(35, 59, 177)',
'high_opacity' => '0.8',
'high_point_radius' => '22',
'high_label_outline' => '1',
'label_low_color' => '#000000',
'label_low_opacity' => '0.8',
'label_middle_color' => '#000000',
'label_middle_opacity' => '0.8',
'label_high_color' => '#000000',
'label_high_opacity' => '0.8',
);
}
/**
* OpenLayers library dependency.
*/
function js_dependency() {
return array(
'OpenLayers.Strategy.Cluster',
);
}
/**
* Provide form for configurations per map.
*/
function options_form($defaults = array()) {
// Only prompt for vector layers
$vector_layers = array();
foreach ($this->map['layers'] as $id => $name) {
$layer = openlayers_layer_load($id);
if (isset($layer->data['vector']) && $layer->data['vector'] == TRUE) {
$vector_layers[$id] = $name;
}
}
return array(
'clusterlayer' => array(
'#title' => t('Layers'),
'#type' => 'checkboxes',
'#options' => $vector_layers,
'#description' => t('Select layers to cluster.'),
'#default_value' => isset($defaults['clusterlayer']) ? $defaults['clusterlayer'] : array(),
),
'distance' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['distance']) ? $defaults['distance'] : 20,
'#size' => 5,
'#title' => t('Distance'),
'#description' => t('Pixel distance between features that should ' . 'be considered a single cluster'),
),
'threshold' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['threshold']) ? $defaults['threshold'] : NULL,
'#size' => 5,
'#title' => t('Threshold'),
'#description' => t('Optional threshold below which original ' . 'features will be added to the layer instead of clusters'),
),
'display_cluster_numbers' => array(
'#type' => 'checkbox',
'#title' => t('Display numbers in clusters?'),
'#default_value' => isset($defaults['display_cluster_numbers']) ? $defaults['display_cluster_numbers'] : TRUE,
),
'middle_lower_bound' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_lower_bound']) ? $defaults['middle_lower_bound'] : 15,
'#size' => 5,
'#title' => t('Middle lower bound'),
'#description' => t(''),
),
'middle_upper_bound' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_upper_bound']) ? $defaults['middle_upper_bound'] : 50,
'#size' => 5,
'#title' => t('Middle upper bound'),
'#description' => t(''),
),
'low_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['low_color']) ? $defaults['low_color'] : 'rgb(141, 203, 61)',
'#size' => 5,
'#title' => t('Low color'),
'#description' => t(''),
),
'low_stroke_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['low_stroke_color']) ? $defaults['low_stroke_color'] : 'rgb(141, 203, 61)',
'#size' => 5,
'#title' => t('Low stroke color'),
'#description' => t(''),
),
'low_opacity' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['low_opacity']) ? $defaults['low_opacity'] : '0.8',
'#size' => 5,
'#title' => t('Low opacity'),
'#description' => t(''),
),
'low_point_radius' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['low_point_radius']) ? $defaults['low_point_radius'] : '10',
'#size' => 5,
'#title' => t('Low point radius'),
'#description' => t(''),
),
'low_label_outline' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['low_label_outline']) ? $defaults['low_label_outline'] : '1',
'#size' => 5,
'#title' => t('Low label outline'),
'#description' => t(''),
),
'middle_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_color']) ? $defaults['middle_color'] : 'rgb(49, 190, 145)',
'#size' => 5,
'#title' => t('Middle color'),
'#description' => t(''),
),
'middle_stroke_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_stroke_color']) ? $defaults['middle_stroke_color'] : 'rgb(49, 190, 145)',
'#size' => 5,
'#title' => t('Middle stroke color'),
'#description' => t(''),
),
'middle_opacity' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_opacity']) ? $defaults['middle_opacity'] : '0.8',
'#size' => 5,
'#title' => t('Middle opacity'),
'#description' => t(''),
),
'middle_point_radius' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_point_radius']) ? $defaults['middle_point_radius'] : '16',
'#size' => 5,
'#title' => t('Middle point radius'),
'#description' => t(''),
),
'middle_label_outline' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['middle_label_outline']) ? $defaults['middle_label_outline'] : '1',
'#size' => 5,
'#title' => t('Middle label outline'),
'#description' => t(''),
),
'high_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['high_color']) ? $defaults['high_color'] : 'rgb(35, 59, 177)',
'#size' => 5,
'#title' => t('High color'),
'#description' => t(''),
),
'high_stroke_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['high_stroke_color']) ? $defaults['high_stroke_color'] : 'rgb(35, 59, 177)',
'#size' => 5,
'#title' => t('High stroke color'),
'#description' => t(''),
),
'high_opacity' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['high_opacity']) ? $defaults['high_opacity'] : '0.8',
'#size' => 5,
'#title' => t('High opacity'),
'#description' => t(''),
),
'high_point_radius' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['high_point_radius']) ? $defaults['high_point_radius'] : '22',
'#size' => 5,
'#title' => t('High point radius'),
'#description' => t(''),
),
'high_label_outline' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['high_label_outline']) ? $defaults['high_label_outline'] : '1',
'#size' => 5,
'#title' => t('High label outline'),
'#description' => t(''),
),
'label_low_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['label_low_color']) ? $defaults['label_low_color'] : '#000000',
'#size' => 5,
'#title' => t('Text low color'),
'#description' => t(''),
),
'label_low_opacity' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['label_low_opacity']) ? $defaults['label_low_opacity'] : '0.8',
'#size' => 5,
'#title' => t('Text low opacity'),
'#description' => t(''),
),
'label_middle_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['label_middle_color']) ? $defaults['label_middle_color'] : '#000000',
'#size' => 5,
'#title' => t('Text middle color'),
'#description' => t(''),
),
'label_middle_opacity' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['label_middle_opacity']) ? $defaults['label_middle_opacity'] : '0.8',
'#size' => 5,
'#title' => t('Text middle opacity'),
'#description' => t(''),
),
'label_high_color' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['label_high_color']) ? $defaults['label_high_color'] : '#000000',
'#size' => 5,
'#title' => t('Text high color'),
'#description' => t(''),
),
'label_high_opacity' => array(
'#type' => 'textfield',
'#default_value' => isset($defaults['label_high_opacity']) ? $defaults['label_high_opacity'] : '0.8',
'#size' => 5,
'#title' => t('Text high opacity'),
'#description' => t(''),
),
);
}
/**
* Render.
*/
function render(&$map) {
drupal_add_js(drupal_get_path('module', 'openlayers') . '/plugins/behaviors/openlayers_behavior_cluster.js');
return $this->options;
}
}
Classes
Name![]() |
Description |
---|---|
openlayers_behavior_cluster | Cluster behavior |