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<?phperror_reporting(E_ALL);/** * *  Marc Quinton - 2006 december. * *  PhpGtkCustomTreeModel sample examples ; * * PhpGtkCustomTreeModel implements a customisable GtkTreeView model. * * a good tutorial about this in python :  *   http://www.moeraki.com/pygtktutorial/pygtk2tutorial/sec-GenericTreeModel.html * * * here is a list of available methods for  PhpGtkCustomTreeModel : * *	on_get_flags(); *	on_get_n_columns(); *	on_get_column_type($index); *	on_get_path($node); *	on_get_iter($path); *	on_iter_children($iter); *	on_iter_has_child($iter); *	on_iter_n_children($iter); *	on_iter_nth_child($iter, $n); *	on_iter_parent($iter); *	on_get_value($iter, $colum); *	on_iter_next($iter) * * * * this file contains : * * - TreeIter - a basic iterator class for Trees * - FlatTextModel - implements all methods needed for a flat list textual model (based on Andrei example) * - FlatTextRandomListModel - generate a list of random numbers * - FlatTextArrayModel - give an array list in contructor to build model * - CrazyFlatTextRandomListModel - a really random list model * - OrderedListModel - an ordered list * - ReverseOrderedListModel - some model in reverse ordered * * class hierarchy tree : *  *    PhpGtkCustomTreeModel *        FlatTextModel *            FlatTextRandomListModel *            FlatTextRandomListModel *            FlatTextArrayModel *            CrazyFlatTextRandomListModel *            OrderedListModel *                ReverseOrderedListModel * * TODO : work on non-flats models. * */class TreeIter {	public $idx = null;	public $array = null;	public $path = null;	private $value = null;	public $keys = null;	public $parent_iter = null;}/** * an abtract class that implements basic methods for a flat (text) list. * */class TreeModel extends PhpGtkCustomTreeModel{	protected $iters = null;	protected $debug;	protected $model;	protected $external_model;	function __construct($external_model)	{		parent::__construct();		$this->debug=true;		$this->model = null;		$this->external_model = $external_model;		$this->model = $this->model_convert($external_model);		$this->iters = array();	}	public function on_get_value($iter, $n){		$this->debug("on_get_value (" . $this->path_to_key($iter->path) .  ", $n)\n");		if($iter == null){			echo "iter is null : this : " ; print_r($this);			die ("error here ! iter should not be null here");			# return 'null';		}		if(!is_array($iter->array)){			echo "this : " ; print_r($this);			die ("error here ! iter->array should be an array");		}		# should not come here ... (don't know howto)		if(count($iter->array) == 0)			return 'empty';		$key = $iter->keys[$iter->idx];		if(!is_array($iter->array[$key]))			$val = $iter->array[$key];		else			$val = $key;		$this->debug("on_get_value($n, {$iter->idx}, $key, $val)\n");		return $val;	}	public function on_iter_next($iter){		$this->debug("on_iter_next {$iter->idx}\n");		if(count($iter->array) == 0)			return null;		if($iter->idx == count($iter->keys)-1)			return null;		$iter->idx++;		return $iter;	}	# can handle only List feature.	public function on_get_flags()	{		$this->debug("on_get_flags\n");		return 0;	}	# number of colums.	public function on_get_n_columns()	{		$this->debug("on_get_n_columns\n");		return 1;	}	# only one column of type string.	public function on_get_column_type($index)	{		$this->debug("on_get_column_type\n");		return Gtk::TYPE_STRING;	}	public function on_get_path($iter)	{		$this->debug("on_get_path\n");		print_r($this);		die("to be done\n");		return $node;	}	# flat list	public function on_get_iter($path)	{		$parent_path_key = $this->path_to_key($this->path_parent($path));		$this->debug("on_get_iter(" . $this->path_to_key($path) . ", $parent_path_key)\n");		# echo "iters : " ; print_r($this->iters);		if(count($path) == 1){			if(!isset($this->iters[$parent_path_key])){				# echo "on_get_iter() : new Iter - 1\n";				$this->iters[$parent_path_key] = new TreeIter();				$iter = $this->iters[$parent_path_key];				$iter->array = &$this->external_model;				$iter->keys = array_keys($this->external_model);			}			$iter = $this->iters[$parent_path_key];			$key = $path[0];			$iter->idx = $key;			$iter->path = $path;			return $iter;		} else {			if(!isset($this->iters[$parent_path_key])){				# $parent_iter = $this->iters[$this->path_to_key($this->path_parent($this->path_parent($path)))];				$parent_iter = &$this->iters[$this->path_to_key($this->path_parent($this->path_parent($path)))];				$key = $path; $key = array_pop($key); # get last element of $path				$this->iters[$parent_path_key] = new TreeIter();				$iter = $this->iters[$parent_path_key];				$iter->array = $parent_iter->array[$parent_iter->keys[$parent_iter->idx]];				$iter->keys = array_keys($iter->array);				$iter->parent_iter = $parent_iter;				# echo "on_get_iter() : new Iter - 2\n";				# echo "key = $key\n";				# echo "path = " . $this->path_to_key($path) . "\n";				# echo "parent_path_key = $parent_path_key\n";				# echo "parent_iter = " ; print_r($parent_iter);				# echo "path : " ; print_r($path);				# echo "new_iter : " ; print_r($iter);				# echo "this : " ; print_r($this);				# trigger_error("to be defined"); exit(0);			}			$key = $path; $key = array_pop($key); # get last element of $path			$iter = $this->iters[$parent_path_key];			$iter->idx = $key;			$iter->path=$path;			return $iter;		}	}	# flat list.	public function on_iter_children($iter)	{		$this->debug("on_iter_children()\n");		# print_r($iter);		if(count($iter->array) == 0)  # empty array			return null;		$key = $iter->keys[$iter->idx];		if(!is_array($iter->array[$key]))			return null;		$new_iter = new TreeIter();		$key = $iter->keys[$iter->idx];		# echo "key = $key\n";		# $new_iter->keys = array_keys($iter->array[$key]);		$new_iter->idx = 0;		$new_iter->path = $iter->path; array_push($new_iter->path, 0);		$new_iter->array = &$iter->array[$key];		$new_iter->keys = array_keys($new_iter->array);		$new_iter->parent_iter = $iter;		# print_r($new_iter);		return $new_iter;	}	## flat list.	public function on_iter_has_child($iter)	{		$this->debug("on_iter_has_child()\n");		if($iter == null)			return false;		if(count($iter->array) == 0)			return false;		$key = $iter->keys[$iter->idx];		if(is_array($iter->array[$key]))			$bool = true;		else			$bool = false;		return $bool;		/*		if($iter == null)			$bool = false;		print_r($iter);		$key = $iter->keys[$iter->idx];		if(is_array($iter->array[$key]))			$bool = true;		else			$bool = false;		$this->debug("on_iter_has_child({$iter->idx}) : $bool\n");		# print_r($iter);		return $bool;		*/	}	# flat list.	public function on_iter_n_children($iter)	{		$this->debug("on_iter_n_child()\n");		die ("on_iter_n_children : to be done");		return 0;	}	# flat list.	public function on_iter_nth_child($iter, $n)	{		$this->debug("on_iter_nth_child(), $n\n");		if($iter == null){			# echo "iter = null\n";			# echo "this = " ; print_r($this);			$iter = $this->iters[':'];		}		# die ("on_iter_nth_children : to be done");		return $iter;	}	# flat list.	public function on_iter_parent($iter)	{		$this->debug("on_iter_parent()\n");		# print_r($iter);		return $iter->parent_iter;		# return null;	}	protected function debug($txt){		if($this->debug)			echo $txt;	}	protected function model_convert($array, $path=null){			$items = array();			if($path == null)			$path = '0';			if(is_array($array)){			foreach($array as $key=>$val){				if(!is_array($val)){					$items[ "$path:$key" ] = $val;				}				else{					$sub_items = $this->model_convert($val, "$path:$key");					$items = array_merge($items, $sub_items);				}			}		}		return $items;	}	public function path_to_key($path){		if(count($path) == 0)			return ':';		return ':' . join(':', $path);	}	public function key_to_path($key){		# remove heading ':'		$key = substr($key, 1);		if(strlen($key) == 0)			return array(0);		return split(':', $key);	}	public function path_parent($path){		array_pop($path);		return $path;	}}# $model2 = array(0,1,2,3,4, array(6,7,8,9), 11,12,13);# $model2 = array(0,1,2, 10 =>array(array()));# $model2 = array(0,1,2 => array(6,7,8,9 => array(11,12, 13=> array(20,21), 14=> array(30,31), 50),21,22),8,9);$model2 = array(0,1,2 => array(16,17,'error-here-when-select'), 8,9);# $model2 = array(0, 1, 2=>array(6,7));print_r($model2);$model = new TreeModel($model2);$w = new GtkWindow();$w->set_default_size(100, 250);$w->connect_simple('destroy', array('gtk', 'main_quit'));	$sc = new GtkScrolledWindow();	$sc->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);	$w->add($sc);		$tree_view = new GtkTreeView($model);		# $tree_view->expand_all();		$tree_view->expand_row(array(0), true);		$cell = new GtkCellRendererText();		$col = new GtkTreeViewColumn("example", $cell, 'text', 0);		$tree_view->append_column($col);			$sc->add($tree_view);		$w->show_all();gtk::main();?>