Split the jqGrid code out a bit further, giving the application controller full responsibility for handling the jqGrid requests. Virtual functions have been added to allow a derived controller to customize this action as needed.
git-svn-id: file:///svn-source/pmgr/branches/ledger_transactions_20090605/site@111 97e9348a-65ac-dc4b-aefc-98561f571b83
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@@ -46,45 +46,77 @@ class CustomersController extends AppController {
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/**************************************************************************
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**************************************************************************
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**************************************************************************
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* action: jqGridData
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* - Fetches the actual data requested by jqGrid as XML
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* virtuals: jqGridData
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* - With the application controller handling the jqGridData action,
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* these virutal functions ensure that the correct data is passed
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* to jqGrid.
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*/
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function jqGridData() {
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function jqGridDataSetup(&$params) {
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parent::jqGridDataSetup($params);
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if (!isset($params['action']))
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$params['action'] = 'all';
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}
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$action = 'all';
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if (isset($this->params['url']['action']))
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$action = $this->params['url']['action'];
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// Set up the basic query
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$query = array
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function jqGridDataTables(&$params) {
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return array
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('link' =>
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array(// Models
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'PrimaryContact',
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'CurrentLease' => array('fields' => array()),
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),
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'fields' => 'Customer.*, COUNT(CurrentLease.id) AS lease_count',
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);
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}
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// Calculate the number of rows for the query, and figure out
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// any special query conditions that will be necessary
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$records = $this->Customer->find('count', array('contain'=>false));
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if ($action != 'all') {
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$records_past = $this->Customer->find('count',
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array('link' => array('CurrentLease' => array('fields' => array())),
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'conditions' => 'CurrentLease.id IS NULL'));
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function jqGridDataFields(&$params) {
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return array('Customer.*',
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'COUNT(CurrentLease.id) AS lease_count');
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}
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if ($action == 'current') {
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$records = $records - $records_past;
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$query['conditions'][] = 'CurrentLease.id IS NOT NULL';
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}
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elseif ($action == 'past') {
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$records = $records_past;
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$query['conditions'][] = 'CurrentLease.id IS NULL';
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}
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function jqGridDataConditions(&$params) {
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$conditions = parent::jqGridDataConditions($params);
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if ($params['action'] === 'current') {
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$conditions[] = 'CurrentLease.id IS NOT NULL';
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}
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elseif ($params['action'] === 'past') {
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$conditions[] = 'CurrentLease.id IS NULL';
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}
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parent::jqGridData($this->Customer, $records, $query);
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return $conditions;
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}
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function jqGridDataRecordCount(&$params, $model, $query) {
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// We don't have a good way to use the query to obtain
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// our count. The problem is that we're relying on the
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// group by for the query, which will destroy the count,
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// whether we omit the group by or leave it in.
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// So, build a fresh query for counting.
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$query['conditions'] = parent::jqGridDataConditions($params);
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$count = $model->find('count',
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array_merge(array('link' => array_diff_key($query['link'],
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array('CurrentLease'=>1))),
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array_diff_key($query, array('link'=>1))));
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if ($params['action'] === 'all')
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return $count;
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$query['conditions'][] = 'CurrentLease.id IS NULL';
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$count_past = $model->find('count', $query);
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// Since we can't easily count 'current' directly, we
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// can quickly derive it since 'current' customers
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// are mutually exclusive to 'past' customers.
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if ($params['action'] == 'current')
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$count = $count - $count_past;
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elseif ($params['action'] == 'past') {
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$count = $count_past;
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}
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return $count;
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}
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