399 lines
10 KiB
PHP
399 lines
10 KiB
PHP
<?php
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/*
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* This file is part of NOALYSS.
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*
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* NOALYSS is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* NOALYSS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NOALYSS; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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// Copyright Author Dany De Bontridder danydb@aevalys.eu
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//@file
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//@brief Definition Manage_Table_SQL
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/**
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*@brief Purpose is to propose a librairy to display a table content
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* and allow to update and delete row , handle also the ajax call
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* thanks the script managetable.js
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*@see ManageTable
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*/
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class Manage_Table_SQL
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{
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private $table ; //!< Object Noalyss_SQL
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private $a_label_displaid; //!< Label of the col. of the datarow
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private $a_order; //!< order of the col
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private $a_prop ; //!< property for each col.
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private $object_name; //!< Object_name is used for the javascript
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private $row_delete; //!< Flag to indicate if rows can be deleted
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private $row_update; //!< Flag to indicate if rows can be updated
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const UPDATABLE=1;
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const VISIBLE=2;
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/**
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*@brief Constructor : set the label to the column name,
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* the order of the column , set the properties and the
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* permission for updating or deleting row
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*/
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function __construct(Noalyss_SQL $p_table)
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{
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$this->table=$p_table;
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$order=0;
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foreach ($this->table->name as $key=> $value)
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{
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$this->a_label_displaid[$value]=$value;
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$this->a_order[$order]=$value;
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$this->a_prop[$value]=self::UPDATABLE|self::VISIBLE;
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$order++;
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}
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$this->object_name=uniqid("tbl");
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$this->row_delete=TRUE;
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$this->row_update=TRUE;
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}
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/**
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*@brief set the callback function that is passed to javascript
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*@param $p_file : callback file by default ajax.php
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*/
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function set_callback($p_file)
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{
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$this->callback=$p_file;
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}
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/**
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*@brief we must create first the javascript if we want to update or delete
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* row. It is the default script .
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*/
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function create_js_script() {
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echo "
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<script>
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var {$this->object_name}=new ManageTable(\"{$this->table->tablename}\");
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{$this->object_name}.set_callback(\"{$this->callback}\");
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</script>
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";
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}
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/**
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*@brief set a column of the data row updatable or not
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*@param string $p_key data column
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*@param bool $p_value Boolean False or True
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*/
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function set_property_updatable($p_key,$p_value)
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{
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if ( ! $this->a_prop[$p_key] )
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throw new Exception (__FILE__.":".__LINE__."$p_key invalid index");
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if ( $p_value==False )
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$this->a_prop[$p_key]=$this->a_prop[$p_key]-self::UPDATABLE;
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elseif ( $p_value==True)
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$this->a_prop[$p_key]=$this->a_prop[$p_key]|self::UPDATABLE;
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else
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throw new Exception ("set_property_updatable [ $p_value ] incorrect";
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}
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/**
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*@brief return false if the update of the row is forbidden
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*/
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function can_update_row() {
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return $this->row_update;
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}
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/**
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*@brief Enable or disable the updating of rows
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*@param $p_value Boolean : true enable the row to be updated
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*/
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function set_update_row($p_value) {
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if ( $p_value !== True && $p_value !== False ) throw new Exception ("Valeur invalide set_update_row [$p_value]");
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$this->row_update=$p_value;
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}
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/**
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*@brief return false if the delete of the row is forbidden
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*/
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function can_delete_row() {
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return $this->row_delete;
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}
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/**
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*@brief Enable or disable the deleting of rows
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*@param $p_value Boolean : true enable the row to be deleted
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*/
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function set_delete_row($p_value) {
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if ( $p_value !== True && $p_value !== False ) throw new Exception ("Valeur invalide set_delete_row [$p_value]");
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$this->row_delete=$p_value;
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}
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/**
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*@brief return True if the column is updatable otherwise false
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*@param $p_key data column
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*/
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function get_property_updatable($p_key)
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{
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if ( $this->a_prop[$p_key] & self:UPDATABLE == 1) return true;
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return false;
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}
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/**
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*@brief set a column of the data row visible or not
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*@param string $p_key data column
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*@param bool $p_value Boolean False or True
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*/
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function set_property_visible($p_key,$p_value)
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{
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if ( ! $this->a_prop[$p_key] )
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throw new Exception (__FILE__.":".__LINE__."$p_key invalid index");
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if ( $p_value==False )
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$this->a_prop[$p_key]=$this->a_prop[$p_key]-self::VISIBLE;
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elseif ( $p_value==True)
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$this->a_prop[$p_key]=$this->a_prop[$p_key]|self::VISIBLE;
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else
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throw new Exception ("set_property_updatable [ $p_value ] incorrect";
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}
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/**
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*@brief return True if the column is visible otherwise false
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*@param $p_key data column
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*/
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function get_property_visible($p_key)
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{
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if ( $this->a_prop[$p_key] & self:VISIBLE == 1) return true;
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return false;
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}
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/**
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*@brief set the name to display for a column
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*@param string $p_key data column
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*@param string $p_display Label to display
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*
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*/
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function set_col_label($p_key,$p_display)
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{
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$this->a_label_displaid[$p_key]=$p_display;
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}
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/**
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*@brief get the position of a column
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*@param $p_key data column
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*/
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function get_current_pos($p_key)
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{
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$nb_order=count($this->a_order);
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for ($i=0;$i<$nb_order;$i++)
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if ( $this->a_order[$i]==$p_key) return $i;
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throw new Exception ("COL INVAL ".$p_key);
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}
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/**
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*@brief if we change a column order , the order
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* of the other columns is impacted.
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*
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* With a_order[0,1,2,3]=[x,y,z,a]
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* if we move the column x (idx=0) to 2
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* we must obtain [y,z,x,a]
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*@param string $p_key data column
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*@param integer $p_idx new location
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*/
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function move($p_key,$p_idx)
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{
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// get current position of p_key
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$cur_pos=$this->get_current_pos($p_key);
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if ( $cur_pos == $p_idx ) return ;
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if ( $cur_pos < $p_idx )
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{
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$nb_order=count($this->a_order);
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for ($i=0;$i<$nb_order;$i++) {
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// if col_name is not the searched one we continue
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if ( $this->a_order[$i] != $p_key ) continue;
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if ( $p_idx == $i ) continue;
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// otherwise we swap with i+1
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$old=$this->a_order[$i+1];
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$this->a_order[$i]=$this->a_order[$i+1];
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$this->a_order[$i+1]=$p_key;
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}
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} else {
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$nb_order=count($this->a_order)-1;
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for ($i=$nb_order;$i>0;$i--) {
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// if col_name is not the searched one we continue
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if ( $this->a_order[$i] != $p_key ) continue;
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if ( $p_idx == $i ) continue;
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// otherwise we swap with i+1
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$old=$this->a_order[$i-1];
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$this->a_order[$i]=$this->a_order[$i-1];
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$this->a_order[$i-1]=$p_key;
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}
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}
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}
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/**
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*@brief display the data of the table
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*/
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function display_table()
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{
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$ret=$this->table->seek();
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$nb=Database::num_count($ret);
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printf ('<table id="tb%s">',$this->object_name);
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for ($i=0;$i< $nb ; $i++ )
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{
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if ( $i == 0 ) {
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$this->display_table_header();
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}
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$row=Database::fetch_array($ret,$i);
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$this->display_row($row);
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}
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}
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/**
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*@brief display the column header excepted the not visible one
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* and in the order defined with $this->a_order
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*/
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function display_table_header()
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{
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$nb=count($this->a_order);
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echo "<tr>";
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for ($i=0;$i < $nb ; $i++ ) {
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$key=$this->a_order[$i];
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if ( $this->get_property_visible($key) )
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echo th($this->a_label_displaid[$key]);
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}
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echo "</tr>";
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}
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/**
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*@brief set the id value of a data row
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*/
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function set_pk($p_id)
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{
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$this->table->set_pk_value($p_id);
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}
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/**
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*@brief get the data from http request
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*/
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function from_request()
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{
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$nb=count($this->a_order);
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for ($i=0;$i < $nb ; $i++ ) {
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$v=HtmlInput::default_value_request($this->a_order[$i],"");
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$key=$this->a_order[$i];
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$this->table->$key=$v;
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}
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}
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/**
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*@brief display a data row in the table, with the order defined
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* in a_order and depending of the visibility of the column
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*@see display_table
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*/
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private function display_row($p_row)
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{
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printf ('<tr id="%s_%s">',
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$this->object_name,
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$p_row[$this->table->primary_key])
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;
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$nb_order=count($this->a_order);
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for ($i=0;$i < $nb_order ; $i++)
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{
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$v=$this->a_order($i);
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if ( $this->get_property_visible($v) )
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echo td($p_row[$v]);
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}
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echo "<td>";
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if ( $this->can_update_row() ) {
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$js=printf ("ManageTable.input('%s','%s');",
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$p_row[$this->table->primary_key],
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$this->object_name
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);
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}
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echo "</td>";
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echo "<td>";
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if ( $this->can_delete_row() ) {
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$js=printf ("ManageTable.delete('%s','%s');",
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$p_row[$this->table->primary_key],
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$this->object_name
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);
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}
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echo "</td>";
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echo '</tr>';
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}
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/**
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*@brief display into a dialog box the datarow in order
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* to be appended or modified
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*/
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function input()
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{
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$nb_order=count($this->a_order);
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echo "<table>";
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echo "<tr>";
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for ( $i=0; $i <$nb_order ; $i++ )
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{
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$key=$this->a_order[$i];
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$label=$this->a_label_displaid[$key];
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$value=$this->table->get($key);
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// Label
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echo "<td> {$label} </td>";
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printf('<input type="text" label="%s" value="%s" name="%s" id="%s">',
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$label,
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$value,
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$key,
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$key
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);
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}
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echo "</tr>";
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echo "</table>";
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}
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/**
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*@brief delete a datarow , the id must be have set before
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*@see from_request
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*/
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function delete() {
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$this->table->delete();
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}
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/**
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*@brief save the Noalyss_SQL Object
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*The noalyss_SQL is not empty
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*@see from_request
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*/
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function save() {
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$this->table->save();
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}
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/**
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*@brief insert a new value
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*@see set_pk_value
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*@see from_request
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*/
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function insert() {
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$this->table->insert();
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}
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/**
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*@brief
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*@see set_pk_value
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*@see from_request
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*/
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function update() {
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$this->table->update();
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}
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/**
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*@brief
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*@see set_pk_value
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*@see from_request
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*/
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function set_value($p_key,$p_value)
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{
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$this->table->set($p_key,$p_value);
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}
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}
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