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<?php
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require_once "Template.class.php";
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require_once "DBDatabase.class.php";
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class DBTemplate extends Template {
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public static $autoSave = true;
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private $tableDef;
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private $type; // the type of the template (view, edit, list) created
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public function __construct( $tableDef, $type='view', $templatePath = null, $filename = null ) {
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parent::__construct( $filename, $templatePath );
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$this->tableDef = $tableDef;
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$this->type = $type;
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if ( ! isset( $this->filename ) ) $this->FileName( );
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}
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public function process( $dataset = null ) {
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$this->dataset = array(
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$this->tableDef->tableName => $this->tableDef->currentRecords
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);
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return parent::process(
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$this->dataset
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);
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}
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public function makeTemplate() {
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switch ( $this->type ) {
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case 'edit' : break;
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case 'list' : $this->makeListTemplate();
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break;
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case 'view' : $this->makeViewTemplate();
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break;
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} //switch
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if ( self::$autoSave ) {
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$this->saveTemplate();
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}
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} // function makeTemplate
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private function makeListTemplate() {
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$columnHeaders = array();
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$data = array();
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foreach ( $this->tableDef->columns as $name => $definition ) {
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$columnHeaders[] = $definition->displayName;
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$data[] = "<datafield $definition->columnName>";
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}
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$this->template = "<table border='1'>\n";
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$this->template .= "<tr><td>" . implode( '</td><td>', $columnHeaders ) . "</td></tr>\n";
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$this->template .= "<loop " . $this->tableDef->tableName . ">\n";
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$this->template .= "<tr><td>" . implode( '</td><td>', $data ) . "</td></tr>\n";
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$this->template .= "</loop>\n</table>\n";
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} // makeListTemplate
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private function makeViewTemplate () {
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$this->template = '';
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foreach ( $this->tableDef->columns as $name => $definition ) {
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$this->template .= "<tr><td>$definition->displayName</td><td>" .
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"<datafield $definition->columnName></td></tr>\n";
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}
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$this->template = "\n$this->template</table>\n";
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} // makeViewTemplate
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/*
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* name: loadTemplate
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* parameters: $filename -- optional override of filename stored in instance
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* returns: nothing
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* description: Loads the template file from disk. This is an OVERLOAD of Templates::loadTemplate;
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*/
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public function loadTemplate ( $type = null, $filename = null ) {
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if ( isset( $filename ) )
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$this->FileName( $filename );
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if ( isset( $type ) )
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$this->type = $type;
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try {
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parent::loadTemplate( );
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} catch ( Exception $e ) {
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$this->makeTemplate();
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}
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} // loadTemplate
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public function saveTemplate() {
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$results = file_put_contents( $this->filename, $this->template );
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if ( $results === false )
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throw new Exception( 'Can not write to [' . $this->filename . '], template not saved', 16 );
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return $results;
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} // loadTemplate
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public function FileName ( $filename = null ) {
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return parent::FileName( isset( $filename ) ?
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$filename :
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$this->tableDef->tableName . '-' . $this->type . '.template'
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);
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}
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}
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?>
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