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Examples identation normalized #43

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182 changes: 86 additions & 96 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -79,26 +79,24 @@ in the JSON or to add custom properties to the JSON before it is pushed to the b
you will end up with a copy of the array and it will not affect the json. Below is an example of how it is used.
```php
$this -> datatable -> setPreResultCallback(
function(&$json) {
$rows =& $json['data'];
foreach($rows as &$r) {
// example of nested object in row when the
// data propterty in the javascript looks like "$.url"
if(empty($r['$']['url']) === FALSE) {
$newUrl = 'http://www.changeurl.com';
$r['$']['url'] = $newUrl;
}

// change the value of the gender in the Json. data property in the javascript looks like "gender"
$r['gender'] = $r['gender'] == 'M' ? 'Male' : 'Female';


}


$json['a_custom_property'] = 'Check me out with firebug!';
function(&$json) {
$rows =& $json['data'];
foreach($rows as &$r) {
// example of nested object in row when the
// data propterty in the javascript looks like "$.url"
if(empty($r['$']['url']) === FALSE) {
$newUrl = 'http://www.changeurl.com';
$r['$']['url'] = $newUrl;
}
);

// change the value of the gender in the Json. data property in the javascript looks like "gender"
$r['gender'] = $r['gender'] == 'M' ? 'Male' : 'Female';

}

$json['a_custom_property'] = 'Check me out with firebug!';
}
);
```

`setColumnSearchType(columnName, type)`
Expand All @@ -116,84 +114,76 @@ Set the matching type to be done for a given column. This will default to "after
Basic DatatableModel Implementation
--------
```php
class store_dt extends MY_Model implements DatatableModel{

public function appendToSelectStr() {
return NULL;
}

public function fromTableStr() {
return 'store s';
}

public function joinArray(){
return NULL;
}

public function whereClauseArray(){
return NULL;
}
}
class store_dt extends MY_Model implements DatatableModel{
public function appendToSelectStr() {
return NULL;
}

public function fromTableStr() {
return 'store s';
}

public function joinArray(){
return NULL;
}

public function whereClauseArray(){
return NULL;
}
}
```

More Advanced DatatableModel Implementation
--------
```php
class state_dt extends MY_Model implements DatatableModel{


public function appendToSelectStr() {
return array(
'city_state_zip' => 'concat(s.s_name, \' \', c.c_name, \' \', c.c_zip)'
);

}

public function fromTableStr() {
return 'state s';
}


class state_dt extends MY_Model implements DatatableModel{
public function appendToSelectStr() {
return array(
'city_state_zip' => 'concat(s.s_name, \' \', c.c_name, \' \', c.c_zip)'
);
}

public function fromTableStr() {
return 'state s';
}

public function joinArray(){
return array(
'city c|left outer' => 'c.state_id = s.id',
'user u' => 'u.state_id = s.id'
);
}
public function whereClauseArray(){
return array(
'u.id' => $this -> ion_auth -> get_user_id()
);
}
}
public function joinArray(){
return array(
'city c|left outer' => 'c.state_id = s.id',
'user u' => 'u.state_id = s.id'
);
}

public function whereClauseArray(){
return array(
'u.id' => $this -> ion_auth -> get_user_id()
);
}
}
```

Controller Example
-----
```php
class DataTableExample extends CI_Controller {
public function dataTable() {
//Important to NOT load the model and let the library load it instead.
//Important to NOT load the model and let the library load it instead.
$this -> load -> library('Datatable', array('model' => 'state_dt', 'rowIdCol' => 'c.id'));
//format array is optional, but shown here for the sake of example
$json = $this -> datatable -> datatableJson(
//format array is optional, but shown here for the sake of example
$json = $this -> datatable -> datatableJson(
array(
'a_date_col' => 'date',
'a_boolean_col' => 'boolean',
'a_percent_col' => 'percent',
'a_currency_col' => 'currency'
)
);

$this -> output -> set_header("Pragma: no-cache");
$this -> output -> set_header("Cache-Control: no-store, no-cache");
$this -> output -> set_content_type('application/json') -> set_output(json_encode($json));

}

$this -> output -> set_header("Pragma: no-cache");
$this -> output -> set_header("Cache-Control: no-store, no-cache");
$this -> output -> set_content_type('application/json') -> set_output(json_encode($json));
}
}
```

Expand All @@ -202,14 +192,14 @@ Table HTML In View
```html
<table id="myDataTable">
<thead>
<tr>
<th>State</th>
<th>City</th>
<th>Zip</th>
<th>Combined Exp</th>
</tr>
</thead>
<tbody></tbody>
<tr>
<th>State</th>
<th>City</th>
<th>Zip</th>
<th>Combined Exp</th>
</tr>
</thead>
<tbody></tbody>
</table>
```

Expand All @@ -220,19 +210,19 @@ in the `data` property of the `columns` array.

```javascript
$('#myDataTable').dataTable( {
processing: true,
serverSide: true,
ajax: {
"url": "/index.php/DataTableExample/dataTable",
"type": "POST"
},
columns: [
{ data: "s.s_name" },
{data : "c.c_name"},
{data : "c.c_zip"},
{ data: "$.city_state_zip" } //refers to the expression in the "More Advanced DatatableModel Implementation"
]
});
processing: true,
serverSide: true,
ajax: {
"url": "/index.php/DataTableExample/dataTable",
"type": "POST"
},
columns: [
{ data: "s.s_name" },
{data : "c.c_name"},
{data : "c.c_zip"},
{ data: "$.city_state_zip" } //refers to the expression in the "More Advanced DatatableModel Implementation"
]
});
```

Resources
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