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OpenSQLManager/sys/widgets/data_grid.php

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<?php
/**
* OpenSQLManager
*
* Free Database manager for Open Source Databases
*
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* @package OpenSQLManager
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
/**
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* Class to simplify dealing with GtkTreeView
*
* @package OpenSQLManager
* @subpackage Widgets
*/
class Data_Grid extends GtkTreeView {
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/**
* GtkTreeStore object
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*
* @var GtkTreeStore
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*/
protected $model;
/**
* Create the object
*
* @param object $model
*/
public function __construct($model = null)
{
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if ( ! is_null($model))
{
$this->model = $model;
parent::__construct($this->model);
}
else
{
parent::__construct();
}
}
// --------------------------------------------------------------------------
/**
* Get the value of the model for the current selection
*
* @param int pos
* @return mixed
*/
public function get($pos = 0)
{
if ( ! is_numeric($pos))
{
return parent::get($pos);
}
// Get the selection object of the row
$sel = $this->get_selection();
// Get the model and iterator for the selected row
list($model, $iter) = $sel->get_selected();
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// Return on lack of $iter
if (is_null($iter))
{
return;
}
// Get the data from the model
return $model->get_value($iter, $pos);
}
// --------------------------------------------------------------------------
/**
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* Clear datagrid
*
* @return void
*/
public function reset()
{
$this->model->clear();
$cols = $this->get_columns();
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foreach($cols as &$c)
{
$this->remove_column($c);
}
}
// --------------------------------------------------------------------------
/**
* Adds a column of data to the model
*
* @param GtkTreeViewColumn $col
* @param GtkCellRenderer $cell
* @param GtkTreeModel $model
* @param GtkTreeIter $iter
* @param int $i
* @return void
*/
public function add_data_col($col, $cell, $model, $iter, $i=0)
{
$data = $model->get_value($iter, $i);
if (empty($data))
{
return;
}
$col->set_visible(TRUE);
$cell->set_property('text', $data);
}
// --------------------------------------------------------------------------
/**
* Create a datagrid from the provided data array
*
* @param array $data
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* @param array $events
* @return void
*/
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public function render_data($data, $events=array())
{
if ( ! is_array($data))
{
return;
}
$model = new StdClass();
$cols = ( ! empty($data)) ? array_keys($data[0]) : array();
// Add columns to model
$col_num = (count($cols) > 0) ? count($cols) : 1;
$model_args = array_fill(0, $col_num, Gobject::TYPE_PHP_VALUE);
$eval_string = '$model = new GTKTreeStore('.implode(',', $model_args).');';
// Shame, shame, but how else?
eval($eval_string);
$this->set_model($model);
$this->set_headers_clickable(TRUE);
// Set the data in the model
for($i=0, $c = count($data); $i < $c; $i++)
{
// Add a row
$row = $model->insert($i);
$j = -1;
$vals = array($row);
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foreach($data[$i] as &$v)
{
$vals[] = ++$j;
$vals[] = trim($v);
}
call_user_func_array(array($model, 'set'), $vals);
}
// Add columns to view
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foreach($cols as $i => &$c)
{
$renderer = new GtkCellRendererText();
$renderer->set_property('editable', TRUE);
$this->insert_column_with_data_func($i, $c, $renderer, array($this, 'add_data_col'), $i);
}
}
}
// End of data_grid.php