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111 lines
2.9 KiB
111 lines
2.9 KiB
<?php
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/************************
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* This is the filter class allowing us to specify custom conditions to filter a column on in
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* a data grid.
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*
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* This is released under the MIT license. See the README.txt file for more details.
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*
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* @author Gagandeep Grewal, ggrewal@icomproductions.ca
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* @copyright ICOM Productions, Inc. 2007
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* @name Filter
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* @version 1.0.0
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*/
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class Filter {
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//members for a custom condition
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//The node to apply the condition on
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protected $filterNode;
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//The operator
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protected $filterOperator;
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//The value
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protected $filterValue;
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//The prefix
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protected $filterPrefix;
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//The suffix
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protected $filterSuffix;
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//or we can specify a QCondition itself
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protected $filterCondition=null;
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//Default constructor
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public function __construct($node, $operator=null, $value=null, $prefix = "", $suffix = "") {
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//this check basically determines that we are passing only one parameter to the
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//contructor and in that case it must be the condition itself. Otherwise we take three
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//parameters and make the condition from node, operator and value
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if($operator === null && $node instanceof QQCondition) {
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$this->filterCondition = $node;
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}
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else {
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$this->filterNode = $node;
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$this->filterOperator = $operator;
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$this->filterPrefix = $prefix;
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$this->filterValue = $value;
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$this->filterSuffix = $suffix;
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}
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}
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//function to reset the condition if any of the three parameters might have changed
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public function resetCondition() {
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$this->filterCondition = QQ::_($this->filterNode, $this->filterOperator, $this->filterPrefix.$this->filterValue.$this->filterSuffix);
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}
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//Set function for public properties
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public function __set($strName, $mixValue) {
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switch ($strName) {
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case "Node":
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$this->filterNode = QType::Cast($mixValue, QType::Object);
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$this->resetCondition();
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break;
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case "Operator":
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$this->filterOperator = QType::Cast($mixValue, QType::String);
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$this->resetCondition();
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break;
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case "Prefix":
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$this->filterPrefix = QType::Cast($mixValue, QType::String);
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$this->resetCondition();
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break;
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case "Value":
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$this->filterValue = $mixValue;
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$this->resetCondition();
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break;
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case "Suffix":
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$this->filterSuffix = QType::Cast($mixValue, QType::String);
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$this->resetCondition();
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break;
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case "Condition":
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$this->filterCondition = $mixValue;
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break;
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}
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}
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//Get function for public properties
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public function __get($strName) {
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switch ($strName) {
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case "Node":
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return $this->filterNode;
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case "Operator":
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return $this->filterOperator;
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case "Prefix":
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return $this->filterPrefix;
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case "Value":
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return $this->filterValue;
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case "Suffix":
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return $this->filterSuffix;
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case "Condition":
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if($this->filterCondition === null) {
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if($this->filterNode !== null && $this->filterOperator !== null && $this->filterValue !== null)
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$this->resetCondition();
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}
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return $this->filterCondition;
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}
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}
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}
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?>
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