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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
*
* @package phpMyAdmin
*/
/**
* This Class interacts with the user to gather the information
* about their tables for which they want to export the relational schema
* export options are shown to user from they can choose
*
* @name User_Schema
* @copyright
* @license
*/
class PMA_User_Schema
{
public $chosenPage;
public $autoLayoutForeign;
public $autoLayoutInternal;
public $pageNumber;
public $c_table_rows;
public $action;
public function setAction($value)
{
$this->action = $value;
}
/**
* This function will process the user defined pages
* and tables which will be exported as Relational schema
* you can set the table positions on the paper via scratchboard
* for table positions, put the x,y co-ordinates
*
* @param string $this->action It tells what the Schema is supposed to do
* create and select a page, generate schema etc
* @access public
*/
public function processUserChoice()
{
global $action_choose,$db,$cfgRelation,$cfg,$query_default_option;
if (isset($this->action)) {
switch ($this->action) {
case 'selectpage':
$this->chosenPage = $_REQUEST['chpage'];
if ($action_choose=="1") {
$this->deleteCoordinates($db, $cfgRelation, $this->chosenPage, $query_default_option);
$this->deletePages($db, $cfgRelation, $this->chosenPage, $query_default_option);
$this->chosenPage = 0;
}
break;
case 'createpage':
$this->pageNumber = PMA_REL_create_page($_POST['newpage'], $cfgRelation, $db, $query_default_option);
$this->autoLayoutForeign = isset($_POST['auto_layout_foreign']) ? "1":NULL;
$this->autoLayoutInternal = isset($_POST['auto_layout_internal']) ? "1":NULL;
$this->processRelations($db, $this->pageNumber,$cfgRelation,$query_default_option);
break;
case 'edcoord':
$this->chosenPage = $_POST['chpage'];
$this->c_table_rows = $_POST['c_table_rows'];
$this->_editCoordinates($db, $cfgRelation,$query_default_option);
break;
case 'delete_old_references':
$this->_deleteTableRows($delrow,$cfgRelation,$db,$this->chosenPage);
break;
case 'process_export':
$this->_processExportSchema();
break;
} // end switch
} // end if (isset($do))
}
/**
* shows/displays the HTML FORM to create the page
*
* @param string db name of the selected database
* @return void
* @access public
*/
public function showCreatePageDialog($db)
{
?>
<form method="post" action="schema_edit.php" name="frm_create_page">
<fieldset>
<legend>
<?php echo __('Create a page') . "\n"; ?>
</legend>
<?php echo PMA_generate_common_hidden_inputs($db); ?>
<input type="hidden" name="do" value="createpage" />
<table>
<tr>
<td><label for="id_newpage"><?php echo __('Page name'); ?></label></td>
<td><input type="text" name="newpage" id="id_newpage" size="20" maxlength="50" /></td>
</tr>
<tr>
<td><?php echo __('Automatic layout based on'); ?></td>
<td>
<input type="checkbox" name="auto_layout_internal" id="id_auto_layout_internal" /><label for="id_auto_layout_internal">
<?php echo __('Internal relations'); ?></label><br />
<?php
/*
* Check to see whether INNODB and PBXT storage engines are Available in MYSQL PACKAGE
* If available, then provide AutoLayout for Foreign Keys in Schema View
*/
if (PMA_StorageEngine::isValid('InnoDB') || PMA_StorageEngine::isValid('PBXT')) {
?>
<input type="checkbox" name="auto_layout_foreign" id="id_auto_layout_foreign" /><label for="id_auto_layout_foreign">
<?php echo __('FOREIGN KEY'); ?></label><br />
<?php
}
?>
</td></tr>
</table>
</fieldset>
<fieldset class="tblFooters">
<input type="submit" value="<?php echo __('Go'); ?>" />
</fieldset>
</form>
<?php
}
/**
* shows/displays the created page names in a drop down list
* User can select any page number and edit it using dashboard etc
*
* @return void
* @access public
*/
public function selectPage()
{
global $db,$table,$query_default_option,$cfgRelation;
$page_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'';
$page_rs = PMA_query_as_controluser($page_query, FALSE, $query_default_option);
if ($page_rs && PMA_DBI_num_rows($page_rs) > 0) {
?>
<form method="get" action="schema_edit.php" name="frm_select_page">
<fieldset>
<legend>
<?php echo __('Please choose a page to edit') . "\n"; ?>
</legend>
<?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
<input type="hidden" name="do" value="selectpage" />
<select name="chpage" id="chpage" onchange="this.form.submit()">
<option value="0"><?php echo __('Select page'); ?></option>
<?php
while ($curr_page = PMA_DBI_fetch_assoc($page_rs)) {
echo "\n" . ' '
. '<option value="' . $curr_page['page_nr'] . '"';
if (isset($this->chosenPage) && $this->chosenPage == $curr_page['page_nr']) {
echo ' selected="selected"';
}
echo '>' . $curr_page['page_nr'] . ': ' . htmlspecialchars($curr_page['page_descr']) . '</option>';
} // end while
echo "\n";
?>
</select>
<?php
$choices = array(
'0' => __('Edit'),
'1' => __('Delete')
);
PMA_display_html_radio('action_choose', $choices, '0', false);
unset($choices);
?>
</fieldset>
<fieldset class="tblFooters">
<input type="submit" value="<?php echo __('Go'); ?>" /><br />
</fieldset>
</form>
<?php
} // end IF
echo "\n";
} // end function
/**
* A dashboard is displayed to AutoLayout the position of tables
* users can drag n drop the tables and change their positions
*
* @return void
* @access public
*/
public function showTableDashBoard()
{
global $db,$cfgRelation,$table,$cfg,$with_field_names,$query_default_option;
/*
* We will need an array of all tables in this db
*/
$selectboxall = array('--');
$alltab_rs = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($db) . ';', null, PMA_DBI_QUERY_STORE);
while ($val = @PMA_DBI_fetch_row($alltab_rs)) {
$selectboxall[] = $val[0];
}
/*
* Now if we already have chosen a page number then we should
* show the tables involved
*/
if (isset($this->chosenPage) && $this->chosenPage > 0) {
echo "\n";
?>
<h2><?php echo __('Select Tables') ;?></h2>
<?php
$page_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
$page_rs = PMA_query_as_controluser($page_query, FALSE, $query_default_option);
$array_sh_page = array();
while ($temp_sh_page = @PMA_DBI_fetch_assoc($page_rs)) {
$array_sh_page[] = $temp_sh_page;
}
/*
* Display WYSIWYG parts
*/
if (!isset($_POST['with_field_names']) && !isset($_POST['showwysiwyg'])) {
$with_field_names = TRUE;
}
$this->_displayScratchboardTables($array_sh_page);
?>
<form method="post" action="schema_edit.php" name="edcoord">
<?php echo PMA_generate_common_hidden_inputs($db, $table); ?>
<input type="hidden" name="chpage" value="<?php echo htmlspecialchars($this->chosenPage); ?>" />
<input type="hidden" name="do" value="edcoord" />
<table border="0">
<tr>
<th><?php echo __('Table'); ?></th>
<th><?php echo __('Delete'); ?></th>
<th>X</th>
<th>Y</th>
</tr>
<?php
if (isset($ctable)) {
unset($ctable);
}
$i = 0;
$odd_row = true;
foreach ($array_sh_page as $dummy_sh_page => $sh_page) {
$_mtab = $sh_page['table_name'];
$tabExist[$_mtab] = FALSE;
echo "\n" . ' <tr class="noclick ';
if ($odd_row) {
echo 'odd';
} else {
echo 'even';
}
echo '">';
$odd_row != $odd_row;
echo "\n" . ' <td>'
. "\n" . ' <select name="c_table_' . $i . '[name]">';
foreach ($selectboxall as $key => $value) {
echo "\n" . ' <option value="' . htmlspecialchars($value) . '"';
if ($value == $sh_page['table_name']) {
echo ' selected="selected"';
$tabExist[$_mtab] = TRUE;
}
echo '>' . htmlspecialchars($value) . '</option>';
}
echo "\n" . ' </select>'
. "\n" . ' </td>';
echo "\n" . ' <td>'
. "\n" . ' <input type="checkbox" id="id_c_table_' . $i .'" name="c_table_' . $i . '[delete]" value="y" /><label for="id_c_table_' . $i .'">' . __('Delete') . '</label>';
echo "\n" . ' </td>';
echo "\n" . ' <td>'
. "\n" . ' <input type="text" onchange="dragPlace(' . $i . ', \'x\', this.value)" name="c_table_' . $i . '[x]" value="' . $sh_page['x'] . '" />';
echo "\n" . ' </td>';
echo "\n" . ' <td>'
. "\n" . ' <input type="text" onchange="dragPlace(' . $i . ', \'y\', this.value)" name="c_table_' . $i . '[y]" value="' . $sh_page['y'] . '" />';
echo "\n" . ' </td>';
echo "\n" . ' </tr>';
$i++;
}
/*
* Add one more empty row
*/
echo "\n" . ' <tr class="noclick ';
if ($odd_row) {
echo 'odd';
} else {
echo 'even';
}
$odd_row != $odd_row;
echo '">';
echo "\n" . ' <td>'
. "\n" . ' <select name="c_table_' . $i . '[name]">';
foreach ($selectboxall as $key => $value) {
echo "\n" . ' <option value="' . htmlspecialchars($value) . '">' . htmlspecialchars($value) . '</option>';
}
echo "\n" . ' </select>'
. "\n" . ' </td>';
echo "\n" . ' <td>'
. "\n" . ' <input type="checkbox" id="id_c_table_' . $i .'" name="c_table_' . $i . '[delete]" value="y" /><label for="id_c_table_' . $i .'">' . __('Delete') . '</label>';
echo "\n" . ' </td>';
echo "\n" . ' <td>'
. "\n" . ' <input type="text" name="c_table_' . $i . '[x]" value="' . (isset($sh_page['x'])?$sh_page['x']:'') . '" />';
echo "\n" . ' </td>';
echo "\n" . ' <td>'
. "\n" . ' <input type="text" name="c_table_' . $i . '[y]" value="' . (isset($sh_page['y'])?$sh_page['y']:'') . '" />';
echo "\n" . ' </td>';
echo "\n" . ' </tr>';
echo "\n" . ' </table>' . "\n";
echo "\n" . ' <input type="hidden" name="c_table_rows" value="' . ($i + 1) . '" />';
echo "\n" . ' <input type="hidden" id="showwysiwyg" name="showwysiwyg" value="' . ((isset($showwysiwyg) && $showwysiwyg == '1') ? '1' : '0') . '" />';
echo "\n" . ' <input type="checkbox" name="with_field_names" ' . (isset($with_field_names) ? 'checked="checked"' : ''). ' />' . __('Column names') . '<br />';
echo "\n" . ' <input type="submit" value="' . __('Save') . '" />';
echo "\n" . '</form>' . "\n\n";
} // end if
$this->_deleteTables($db, $this->chosenPage, isset($tabExist));
}
/**
* show Export relational schema generation options
* user can select export type of his own choice
* and the attributes related to it
*
* @return void
* @access public
*/
public function displaySchemaGenerationOptions()
{
global $cfg,$pmaThemeImage,$db,$test_rs,$chpage;
?>
<form method="post" action="schema_export.php">
<fieldset>
<legend>
<?php
echo PMA_generate_common_hidden_inputs($db);
if ($cfg['PropertiesIconic']) {
echo '<img class="icon" src="' . $pmaThemeImage . 'b_view.png"'
.' alt="" width="16" height="16" />';
}
echo __('Display relational schema');
?>:
</legend>
<select name="export_type" id="export_type">
<option value="pdf" selected="selected">PDF</option>
<option value="svg">SVG</option>
<option value="dia">DIA</option>
<option value="visio">Visio</option>
<option value="eps">EPS</option>
</select>
<label><?php echo __('Select Export Relational Type');?></label><br />
<?php
if (isset($test_rs)) {
?>
<label for="pdf_page_number_opt"><?php echo __('Page number:'); ?></label>
<select name="pdf_page_number" id="pdf_page_number_opt">
<?php
while ($pages = @PMA_DBI_fetch_assoc($test_rs)) {
echo ' <option value="' . $pages['page_nr'] . '">'
. $pages['page_nr'] . ': ' . htmlspecialchars($pages['page_descr']) . '</option>' . "\n";
} // end while
PMA_DBI_free_result($test_rs);
unset($test_rs);
?>
</select><br />
<?php } else { ?>
<input type="hidden" name="pdf_page_number" value="<?php echo htmlspecialchars($this->chosenPage); ?>" />
<?php } ?>
<input type="hidden" name="do" value="process_export" />
<input type="hidden" name="chpage" value="<?php echo $chpage; ?>" />
<input type="checkbox" name="show_grid" id="show_grid_opt" />
<label for="show_grid_opt"><?php echo __('Show grid'); ?></label><br />
<input type="checkbox" name="show_color" id="show_color_opt" checked="checked" />
<label for="show_color_opt"><?php echo __('Show color'); ?></label><br />
<input type="checkbox" name="show_table_dimension" id="show_table_dim_opt" />
<label for="show_table_dim_opt"><?php echo __('Show dimension of tables'); ?>
</label><br />
<input type="checkbox" name="all_table_same_wide" id="all_table_same_wide" />
<label for="all_table_same_wide"><?php echo __('Display all tables with the same width'); ?>
</label><br />
<input type="checkbox" name="with_doc" id="with_doc" checked="checked" />
<label for="with_doc"><?php echo __('Data Dictionary'); ?></label><br />
<input type="checkbox" name="show_keys" id="show_keys" />
<label for="show_keys"><?php echo __('Only show keys'); ?></label><br />
<select name="orientation" id="orientation_opt" onchange="refreshDragOption('pdflayout');" >
<option value="L"><?php echo __('Landscape');?></option>
<option value="P"><?php echo __('Portrait');?></option>
</select>
<label for="orientation_opt"><?php echo __('Orientation'); ?></label>
<br />
<select name="paper" id="paper_opt" onchange="refreshDragOption('pdflayout');">
<?php
foreach ($cfg['PDFPageSizes'] as $key => $val) {
echo '<option value="' . $val . '"';
if ($val == $cfg['PDFDefaultPageSize']) {
echo ' selected="selected"';
}
echo ' >' . $val . '</option>' . "\n";
}
?>
</select>
<label for="paper_opt"><?php echo __('Paper size'); ?></label>
</fieldset>
<fieldset class="tblFooters">
<input type="submit" value="<?php echo __('Go'); ?>" />
</fieldset>
</form>
<?php
}
/**
* Check if there are tables that need to be deleted in dashboard,
* if there are, ask the user for allowance
*
* @param string db name of database selected
* @param integer chpage selected page
* @param array tabExist
* @return void
* @access private
*/
private function _deleteTables($db, $chpage, $tabExist)
{
$_strtrans = '';
$_strname = '';
$shoot = FALSE;
if (!empty($tabExist) && is_array($tabExist)) {
foreach ($tabExist as $key => $value) {
if (!$value) {
$_strtrans .= '<input type="hidden" name="delrow[]" value="' . htmlspecialchars($key) . '" />' . "\n";
$_strname .= '<li>' . htmlspecialchars($key) . '</li>' . "\n";
$shoot = TRUE;
}
}
if ($shoot) {
echo '<form action="schema_edit.php" method="post">' . "\n"
. PMA_generate_common_hidden_inputs($db, $table)
. '<input type="hidden" name="do" value="delete_old_references" />' . "\n"
. '<input type="hidden" name="chpage" value="' . htmlspecialchars($chpage) . '" />' . "\n"
. __('The current page has references to tables that no longer exist. Would you like to delete those references?')
. '<ul>' . "\n"
. $_strname
. '</ul>' . "\n"
. $_strtrans
. '<input type="submit" value="' . __('Go') . '" />' . "\n"
. '</form>';
}
}
}
/**
* Check if there are tables that need to be deleted in dashboard,
* if there are, ask the user for allowance
*
* @return void
* @access private
*/
private function _displayScratchboardTables($array_sh_page)
{
global $with_field_names,$cfg,$db;
?>
<script type="text/javascript" src="./js/dom-drag.js"></script>
<form method="post" action="schema_edit.php" name="dragdrop">
<input type="button" name="dragdrop" value="<?php echo __('Toggle scratchboard'); ?>" onclick="ToggleDragDrop('pdflayout');" />
<input type="button" name="dragdropreset" value="<?php echo __('Reset'); ?>" onclick="resetDrag();" />
</form>
<div id="pdflayout" class="pdflayout" style="visibility: hidden;">
<?php
$draginit = '';
$draginit2 = '';
$reset_draginit = '';
$i = 0;
foreach ($array_sh_page as $key => $temp_sh_page) {
$drag_x = $temp_sh_page['x'];
$drag_y = $temp_sh_page['y'];
$draginit2 .= ' Drag.init(getElement("table_' . $i . '"), null, 0, parseInt(myid.style.width)-2, 0, parseInt(myid.style.height)-5);' . "\n";
$draginit2 .= ' getElement("table_' . $i . '").onDrag = function (x, y) { document.edcoord.elements["c_table_' . $i . '[x]"].value = parseInt(x); document.edcoord.elements["c_table_' . $i . '[y]"].value = parseInt(y) }' . "\n";
$draginit .= ' getElement("table_' . $i . '").style.left = "' . $drag_x . 'px";' . "\n";
$draginit .= ' getElement("table_' . $i . '").style.top = "' . $drag_y . 'px";' . "\n";
$reset_draginit .= ' getElement("table_' . $i . '").style.left = "2px";' . "\n";
$reset_draginit .= ' getElement("table_' . $i . '").style.top = "' . (15 * $i) . 'px";' . "\n";
$reset_draginit .= ' document.edcoord.elements["c_table_' . $i . '[x]"].value = "2"' . "\n";
$reset_draginit .= ' document.edcoord.elements["c_table_' . $i . '[y]"].value = "' . (15 * $i) . '"' . "\n";
$local_query = 'SHOW FIELDS FROM '
. PMA_backquote($temp_sh_page['table_name'])
. ' FROM ' . PMA_backquote($db);
$fields_rs = PMA_DBI_query($local_query);
unset($local_query);
$fields_cnt = PMA_DBI_num_rows($fields_rs);
echo '<div id="table_' . $i . '" class="pdflayout_table"><u>' . $temp_sh_page['table_name'] . '</u>';
if (isset($with_field_names)) {
while ($row = PMA_DBI_fetch_assoc($fields_rs)) {
echo '<br />' . htmlspecialchars($row['Field']) . "\n";
}
}
echo '</div>' . "\n";
PMA_DBI_free_result($fields_rs);
unset($fields_rs);
$i++;
}
?>
</div>
<script type="text/javascript">
//<![CDATA[
function PDFinit() {
refreshLayout();
myid = getElement('pdflayout');
<?php echo $draginit; ?>
TableDragInit();
}
function TableDragInit() {
myid = getElement('pdflayout');
<?php echo $draginit2; ?>
}
function resetDrag() {
<?php echo $reset_draginit; ?>
}
//]]>
</script>
<?php
}
/**
* delete the table rows with table co-ordinates
*
* @param int delrow delete selected table from list of tables
* @param array cfgRelation relation settings
* @param string db database name
* @param integer chpage selected page for adding relations etc
* @return void
* @access private
*/
private function _deleteTableRows($delrow,$cfgRelation,$db,$chpage)
{
foreach ($delrow as $current_row) {
$del_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' ' . "\n"
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\'' . "\n"
. ' AND table_name = \'' . PMA_sqlAddslashes($current_row) . '\'' . "\n"
. ' AND pdf_page_number = \'' . PMA_sqlAddslashes($chpage) . '\'';
echo $del_query;
PMA_query_as_controluser($del_query, FALSE, $query_default_option);
}
}
/**
* get all the export options and verify
* call and include the appropriate Schema Class depending on $export_type
*
* @return void
* @access private
*/
private function _processExportSchema()
{
/**
* Settings for relation stuff
*/
require_once './libraries/transformations.lib.php';
require_once './libraries/Index.class.php';
/**
* default is PDF
*/
global $db,$export_type;
$export_type = isset($export_type) ? $export_type : 'pdf';
PMA_DBI_select_db($db);
include("./libraries/schema/".ucfirst($export_type)."_Relation_Schema.class.php");
$obj_schema = eval("new PMA_".ucfirst($export_type)."_Relation_Schema();");
}
/**
* delete X and Y coordinates
*
* @param string db The database name
* @param array cfgRelation relation settings
* @param integer choosePage selected page for adding relations etc
* @return void
* @access private
*/
public function deleteCoordinates($db, $cfgRelation, $choosePage, $query_default_option)
{
$query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND pdf_page_number = \'' . PMA_sqlAddslashes($choosePage) . '\'';
PMA_query_as_controluser($query, FALSE, $query_default_option);
}
/**
* delete pages
*
* @param string db The database name
* @param array cfgRelation relation settings
* @param integer choosePage selected page for adding relations etc
* @return void
* @access private
*/
public function deletePages($db, $cfgRelation, $choosePage, $query_default_option)
{
$query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND page_nr = \'' . PMA_sqlAddslashes($choosePage) . '\'';
PMA_query_as_controluser($query, FALSE, $query_default_option);
}
/**
* process internal and foreign key relations
*
* @param string db The database name
* @param array cfgRelation relation settings
* @param integer pageNumber document number/Id
* @return void
* @access private
*/
public function processRelations($db, $pageNumber, $cfgRelation, $query_default_option)
{
/*
* A u t o m a t i c l a y o u t
*
* There are 2 kinds of relations in PMA
* 1) Internal Relations 2) Foreign Key Relations
*/
if (isset($this->autoLayoutInternal) || isset($this->autoLayoutForeign)) {
$all_tables = array();
}
if (isset($this->autoLayoutForeign)) {
/*
* get the tables list
* who support FOREIGN KEY, it's not
* important that we group together InnoDB tables
* and PBXT tables, as this logic is just to put
* the tables on the layout, not to determine relations
*/
$tables = PMA_DBI_get_tables_full($db);
$foreignkey_tables = array();
foreach($tables as $table_name => $table_properties) {
if (PMA_foreignkey_supported($table_properties['ENGINE'])) {
$foreignkey_tables[] = $table_name;
}
}
$all_tables = $foreignkey_tables;
/*
* could be improved by finding the tables which have the
* most references keys and placing them at the beginning
* of the array (so that they are all center of schema)
*/
unset($tables, $foreignkey_tables);
}
if (isset($this->autoLayoutInternal)) {
/*
* get the tables list who support Internal Relations;
* This type of relations will be created when
* you setup the PMA tables correctly
*/
$master_tables = 'SELECT COUNT(master_table), master_table'
. ' FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
. ' WHERE master_db = \'' . $db . '\''
. ' GROUP BY master_table'
. ' ORDER BY ' . PMA_backquote('COUNT(master_table)') . ' DESC ';
$master_tables_rs = PMA_query_as_controluser($master_tables, FALSE, $query_default_option);
if ($master_tables_rs && PMA_DBI_num_rows($master_tables_rs) > 0) {
/* first put all the master tables at beginning
* of the list, so they are near the center of
* the schema
*/
while (list(, $master_table) = PMA_DBI_fetch_row($master_tables_rs)) {
$all_tables[] = $master_table;
}
/* Now for each master, add its foreigns into an array
* of foreign tables, if not already there
* (a foreign might be foreign for more than
* one table, and might be a master itself)
*/
$foreign_tables = array();
foreach ($all_tables as $master_table) {
$foreigners = PMA_getForeigners($db, $master_table);
foreach ($foreigners as $foreigner) {
if (!in_array($foreigner['foreign_table'], $foreign_tables)) {
$foreign_tables[] = $foreigner['foreign_table'];
}
}
}
/*
* Now merge the master and foreign arrays/tables
*/
foreach ($foreign_tables as $foreign_table) {
if (!in_array($foreign_table, $all_tables)) {
$all_tables[] = $foreign_table;
}
}
}
}
if (isset($this->autoLayoutInternal) || isset($this->autoLayoutForeign)) {
$this->addRelationCoordinates($all_tables,$pageNumber,$db, $cfgRelation,$query_default_option);
}
$this->chosenPage = $pageNumber;
}
/**
* Add X and Y coordinates for a table
*
* @param string db The database name
* @param array cfgRelation relation settings
* @param integer pageNumber document number/Id
* @param array all_tables A list of all tables involved
* @return void
* @access private
*/
public function addRelationCoordinates($all_tables,$pageNumber,$db, $cfgRelation,$query_default_option)
{
/*
* Now generate the coordinates for the schema
* in a clockwise spiral and add to co-ordinates table
*/
$pos_x = 300;
$pos_y = 300;
$delta = 110;
$delta_mult = 1.10;
$direction = "right";
foreach ($all_tables as $current_table) {
/*
* save current table's coordinates
*/
$insert_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' '
. '(db_name, table_name, pdf_page_number, x, y) '
. 'VALUES (\'' . PMA_sqlAddslashes($db) . '\', \'' . PMA_sqlAddslashes($current_table) . '\',' . $pageNumber . ',' . $pos_x . ',' . $pos_y . ')';
PMA_query_as_controluser($insert_query, FALSE, $query_default_option);
/*
* compute for the next table
*/
switch ($direction) {
case 'right':
$pos_x += $delta;
$direction = "down";
$delta *= $delta_mult;
break;
case 'down':
$pos_y += $delta;
$direction = "left";
$delta *= $delta_mult;
break;
case 'left':
$pos_x -= $delta;
$direction = "up";
$delta *= $delta_mult;
break;
case 'up':
$pos_y -= $delta;
$direction = "right";
$delta *= $delta_mult;
break;
}
}
}
/**
* update X and Y coordinates for a table
*
* @param string db The database name
* @param array cfgRelation relation settings
* @return void
* @access private
*/
private function _editCoordinates($db, $cfgRelation,$query_default_option)
{
for ($i = 0; $i < $this->c_table_rows; $i++) {
$arrvalue = 'c_table_' . $i;
global $$arrvalue;
$arrvalue = $$arrvalue;
if (!isset($arrvalue['x']) || $arrvalue['x'] == '') {
$arrvalue['x'] = 0;
}
if (!isset($arrvalue['y']) || $arrvalue['y'] == '') {
$arrvalue['y'] = 0;
}
if (isset($arrvalue['name']) && $arrvalue['name'] != '--') {
$test_query = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($arrvalue['name']) . '\''
. ' AND pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
$test_rs = PMA_query_as_controluser($test_query, FALSE, $query_default_option);
//echo $test_query;
if ($test_rs && PMA_DBI_num_rows($test_rs) > 0) {
if (isset($arrvalue['delete']) && $arrvalue['delete'] == 'y') {
$ch_query = 'DELETE FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($arrvalue['name']) . '\''
. ' AND pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
} else {
$ch_query = 'UPDATE ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' '
. 'SET x = ' . $arrvalue['x'] . ', y= ' . $arrvalue['y']
. ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
. ' AND table_name = \'' . PMA_sqlAddslashes($arrvalue['name']) . '\''
. ' AND pdf_page_number = \'' . PMA_sqlAddslashes($this->chosenPage) . '\'';
}
} else {
$ch_query = 'INSERT INTO ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords']) . ' '
. '(db_name, table_name, pdf_page_number, x, y) '
. 'VALUES (\'' . PMA_sqlAddslashes($db) . '\', \'' . PMA_sqlAddslashes($arrvalue['name']) . '\', \'' . PMA_sqlAddslashes($this->chosenPage) . '\',' . $arrvalue['x'] . ',' . $arrvalue['y'] . ')';
}
//echo $ch_query;
PMA_query_as_controluser($ch_query, FALSE, $query_default_option);
} // end if
} // end for
}
}
?>
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