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<?php
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/**
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* @file
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* Definition of handlers for using numeric submission data.
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*/
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/**
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* Extended version of the numeric field handler specialized for Webform values.
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*
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* @ingroup views_field_handlers
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*/
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class webform_handler_field_numeric_data extends views_handler_field_numeric {
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var $formula = NULL;
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/**
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* Constructor
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*/
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function construct() {
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parent::construct();
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$this->formula = TRUE;
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}
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/**
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* Get the formula for this argument.
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*
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* $this->ensure_my_table() MUST have been called prior to this.
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*/
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function get_formula() {
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return ("(0.0 + $this->table_alias.$this->real_field)");
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}
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/**
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* Called to add the field to a query.
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*/
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function query() {
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$this->ensure_my_table();
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// Add the field.
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$params = $this->options['group_type'] != 'group' ? array('function' => $this->options['group_type']) : array();
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$this->field_alias = $this->query->add_field(NULL, $this->get_formula(), $this->table_alias . '_' . $this->field, $params);
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$this->add_additional_fields();
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}
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/**
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* Shortcut to get a handler's raw field value.
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*
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* This should be overridden for handlers with formulae or other
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* non-standard fields. Because this takes an argument, fields
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* overriding this can just call return parent::get_field($formula)
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*/
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function get_field($field = NULL) {
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return parent::get_field($this->get_formula());
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}
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}
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/**
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* Numeric filter handler that works with Webform numeric submission data.
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*
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* @ingroup views_filter_handlers
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*/
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class webform_handler_filter_numeric_data extends views_handler_filter_numeric {
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/**
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* Get the formula for this argument.
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*
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* $this->ensure_my_table() MUST have been called prior to this.
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*/
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function get_formula() {
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return ("(0.0 + $this->table_alias.$this->real_field)");
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}
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/**
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* Called to add the filter to a query.
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*/
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function query() {
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$this->ensure_my_table();
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$info = $this->operators();
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if (!empty($info[$this->operator]['method'])) {
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$this->{$info[$this->operator]['method']}($this->get_formula());
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}
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}
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/**
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* Adds a simple operator condition to the query.
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*/
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function op_simple($field) {
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static $sequence = 1;
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$param = ":value" . $sequence++;
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$this->query->add_where_expression($this->options['group'],
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$field . $this->operator . $param,
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array($param => $this->value['value']));
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}
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/**
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* Adds a between or not-between condition to the query.
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*/
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function op_between($field) {
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static $sequence = 1;
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$min = ":min" . $sequence;
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$max = ":max" . $sequence++;
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if ($this->operator == 'between') {
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$this->query->add_where_expression($this->options['group'],
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"($min <= $field AND $field <= $max)",
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array($min => $this->value['min'], $max => $this->value['max']));
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}
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else {
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$this->query->add_where_expression($this->options['group'],
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"($min > $field OR $field > $max)",
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array($min => $this->value['min'], $max => $this->value['max']));
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}
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}
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/**
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* Adds an empty or not-empty condition to the query.
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*/
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function op_empty($field) {
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if ($this->operator == 'empty') {
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$operator = "IS NULL";
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}
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else {
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$operator = "IS NOT NULL";
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}
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$this->query->add_where_expression($this->options['group'],
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"$field $operator");
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}
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/**
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* Adds a regular expression condition to the query.
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*/
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function op_regex($field) {
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static $sequence = 1;
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$param = ":expression" . $sequence++;
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$this->query->add_where_expression($this->options['group'],
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"$field RLIKE $param",
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array($param => $this->value['value']));
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}
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}
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/**
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* Sort handler that works with Webform numeric submission data.
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*
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* @ingroup views_sort_handlers
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*/
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class webform_handler_sort_numeric_data extends views_handler_sort {
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/**
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* Get the formula for this sort.
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*
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* $this->ensure_my_table() MUST have been called prior to this.
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*/
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function get_formula() {
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return ("(0.0 + $this->table_alias.$this->real_field)");
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}
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/**
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* Called to add the sort to a query.
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*/
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function query() {
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$this->ensure_my_table();
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// Add the field.
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$alias = $this->query->add_field(NULL, $this->get_formula(), $this->table_alias . '_' . $this->field . '_sort');
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// Add the sort for the field using only the alias.
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$this->query->add_orderby(NULL, NULL, $this->options['order'], $alias);
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}
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}
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