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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Classes to create relation schema in Dia format.
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\dia;
use PMA;
use XMLWriter;
/**
* This Class inherits the XMLwriter class and
* helps in developing structure of DIA Schema Export
*
* @package PhpMyAdmin
* @access public
* @see https://php.net/manual/en/book.xmlwriter.php
*/
class Dia extends XMLWriter
{
/**
* The "Dia" constructor
*
* Upon instantiation This starts writing the Dia XML document
*
* @see XMLWriter::openMemory(),XMLWriter::setIndent(),XMLWriter::startDocument()
*/
public function __construct()
{
$this->openMemory();
/*
* Set indenting using three spaces,
* so output is formatted
*/
$this->setIndent(true);
$this->setIndentString(' ');
/*
* Create the XML document
*/
$this->startDocument('1.0', 'UTF-8');
}
/**
* Starts Dia Document
*
* dia document starts by first initializing dia:diagram tag
* then dia:diagramdata contains all the attributes that needed
* to define the document, then finally a Layer starts which
* holds all the objects.
*
* @param string $paper the size of the paper/document
* @param float $topMargin top margin of the paper/document in cm
* @param float $bottomMargin bottom margin of the paper/document in cm
* @param float $leftMargin left margin of the paper/document in cm
* @param float $rightMargin right margin of the paper/document in cm
* @param string $orientation orientation of the document, portrait or landscape
*
* @return void
*
* @access public
* @see XMLWriter::startElement(),XMLWriter::writeAttribute(),
* XMLWriter::writeRaw()
*/
public function startDiaDoc(
$paper,
$topMargin,
$bottomMargin,
$leftMargin,
$rightMargin,
$orientation
) {
if ($orientation == 'P') {
$isPortrait = 'true';
} else {
$isPortrait = 'false';
}
$this->startElement('dia:diagram');
$this->writeAttribute('xmlns:dia', 'http://www.lysator.liu.se/~alla/dia/');
$this->startElement('dia:diagramdata');
$this->writeRaw(
'<dia:attribute name="background">
<dia:color val="#ffffff"/>
</dia:attribute>
<dia:attribute name="pagebreak">
<dia:color val="#000099"/>
</dia:attribute>
<dia:attribute name="paper">
<dia:composite type="paper">
<dia:attribute name="name">
<dia:string>#' . $paper . '#</dia:string>
</dia:attribute>
<dia:attribute name="tmargin">
<dia:real val="' . $topMargin . '"/>
</dia:attribute>
<dia:attribute name="bmargin">
<dia:real val="' . $bottomMargin . '"/>
</dia:attribute>
<dia:attribute name="lmargin">
<dia:real val="' . $leftMargin . '"/>
</dia:attribute>
<dia:attribute name="rmargin">
<dia:real val="' . $rightMargin . '"/>
</dia:attribute>
<dia:attribute name="is_portrait">
<dia:boolean val="' . $isPortrait . '"/>
</dia:attribute>
<dia:attribute name="scaling">
<dia:real val="1"/>
</dia:attribute>
<dia:attribute name="fitto">
<dia:boolean val="false"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="grid">
<dia:composite type="grid">
<dia:attribute name="width_x">
<dia:real val="1"/>
</dia:attribute>
<dia:attribute name="width_y">
<dia:real val="1"/>
</dia:attribute>
<dia:attribute name="visible_x">
<dia:int val="1"/>
</dia:attribute>
<dia:attribute name="visible_y">
<dia:int val="1"/>
</dia:attribute>
<dia:composite type="color"/>
</dia:composite>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#d8e5e5"/>
</dia:attribute>
<dia:attribute name="guides">
<dia:composite type="guides">
<dia:attribute name="hguides"/>
<dia:attribute name="vguides"/>
</dia:composite>
</dia:attribute>'
);
$this->endElement();
$this->startElement('dia:layer');
$this->writeAttribute('name', 'Background');
$this->writeAttribute('visible', 'true');
$this->writeAttribute('active', 'true');
}
/**
* Ends Dia Document
*
* @return void
* @access public
* @see XMLWriter::endElement(),XMLWriter::endDocument()
*/
public function endDiaDoc()
{
$this->endElement();
$this->endDocument();
}
/**
* Output Dia Document for download
*
* @param string $fileName name of the dia document
*
* @return void
* @access public
* @see XMLWriter::flush()
*/
public function showOutput($fileName)
{
if (ob_get_clean()) {
ob_end_clean();
}
$output = $this->flush();
PMA\libraries\Response::getInstance()
->disable();
PMA_downloadHeader(
$fileName,
'application/x-dia-diagram',
strlen($output)
);
print $output;
}
}

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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Classes to create relation schema in Dia format.
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\dia;
use PMA\libraries\plugins\schema\eps\TableStatsEps;
use PMA\libraries\plugins\schema\ExportRelationSchema;
use PMA\libraries\plugins\schema\pdf\TableStatsPdf;
use PMA\libraries\plugins\schema\svg\TableStatsSvg;
use PMA\libraries\plugins\schema\dia\TableStatsDia;
/**
* Dia Relation Schema Class
*
* Purpose of this class is to generate the Dia XML Document
* which is used for representing the database diagrams in Dia IDE
* This class uses Database Table and Reference Objects of Dia and with
* the combination of these objects actually helps in preparing Dia XML.
*
* Dia XML is generated by using XMLWriter php extension and this class
* inherits ExportRelationSchema class has common functionality added
* to this class
*
* @package PhpMyAdmin
* @name Dia_Relation_Schema
*/
class DiaRelationSchema extends ExportRelationSchema
{
/**
* @var TableStatsDia[]|TableStatsEps[]|TableStatsPdf[]|TableStatsSvg[]
*/
private $_tables = array();
/** @var RelationStatsDia[] Relations */
private $_relations = array();
private $_topMargin = 2.8222000598907471;
private $_bottomMargin = 2.8222000598907471;
private $_leftMargin = 2.8222000598907471;
private $_rightMargin = 2.8222000598907471;
public static $objectId = 0;
/**
* The "PMA\libraries\plugins\schema\dia\DiaRelationSchema" constructor
*
* Upon instantiation This outputs the Dia XML document
* that user can download
*
* @param string $db database name
*
* @see Dia,TableStatsDia,RelationStatsDia
*/
public function __construct($db)
{
parent::__construct($db, new Dia());
$this->setShowColor(isset($_REQUEST['dia_show_color']));
$this->setShowKeys(isset($_REQUEST['dia_show_keys']));
$this->setOrientation($_REQUEST['dia_orientation']);
$this->setPaper($_REQUEST['dia_paper']);
$this->diagram->startDiaDoc(
$this->paper,
$this->_topMargin,
$this->_bottomMargin,
$this->_leftMargin,
$this->_rightMargin,
$this->orientation
);
$alltables = $this->getTablesFromRequest();
foreach ($alltables as $table) {
if (!isset($this->tables[$table])) {
$this->_tables[$table] = new TableStatsDia(
$this->diagram, $this->db, $table, $this->pageNumber,
$this->showKeys, $this->offline
);
}
}
$seen_a_relation = false;
foreach ($alltables as $one_table) {
$exist_rel = PMA_getForeigners($this->db, $one_table, '', 'both');
if (!$exist_rel) {
continue;
}
$seen_a_relation = true;
foreach ($exist_rel as $master_field => $rel) {
/* put the foreign table on the schema only if selected
* by the user
* (do not use array_search() because we would have to
* to do a === false and this is not PHP3 compatible)
*/
if ($master_field != 'foreign_keys_data') {
if (in_array($rel['foreign_table'], $alltables)) {
$this->_addRelation(
$one_table,
$master_field,
$rel['foreign_table'],
$rel['foreign_field'],
$this->showKeys
);
}
continue;
}
foreach ($rel as $one_key) {
if (!in_array($one_key['ref_table_name'], $alltables)) {
continue;
}
foreach ($one_key['index_list'] as $index => $one_field) {
$this->_addRelation(
$one_table,
$one_field,
$one_key['ref_table_name'],
$one_key['ref_index_list'][$index],
$this->showKeys
);
}
}
}
}
$this->_drawTables();
if ($seen_a_relation) {
$this->_drawRelations();
}
$this->diagram->endDiaDoc();
}
/**
* Output Dia Document for download
*
* @return void
* @access public
*/
public function showOutput()
{
$this->diagram->showOutput($this->getFileName('.dia'));
}
/**
* Defines relation objects
*
* @param string $masterTable The master table name
* @param string $masterField The relation field in the master table
* @param string $foreignTable The foreign table name
* @param string $foreignField The relation field in the foreign table
* @param bool $showKeys Whether to display ONLY keys or not
*
* @return void
*
* @access private
* @see TableStatsDia::__construct(),RelationStatsDia::__construct()
*/
private function _addRelation(
$masterTable,
$masterField,
$foreignTable,
$foreignField,
$showKeys
) {
if (!isset($this->_tables[$masterTable])) {
$this->_tables[$masterTable] = new TableStatsDia(
$this->diagram, $this->db, $masterTable, $this->pageNumber, $showKeys
);
}
if (!isset($this->_tables[$foreignTable])) {
$this->_tables[$foreignTable] = new TableStatsDia(
$this->diagram,
$this->db,
$foreignTable,
$this->pageNumber,
$showKeys
);
}
$this->_relations[] = new RelationStatsDia(
$this->diagram,
$this->_tables[$masterTable],
$masterField,
$this->_tables[$foreignTable],
$foreignField
);
}
/**
* Draws relation references
*
* connects master table's master field to
* foreign table's foreign field using Dia object
* type Database - Reference
*
* @return void
*
* @access private
* @see RelationStatsDia::relationDraw()
*/
private function _drawRelations()
{
foreach ($this->_relations as $relation) {
$relation->relationDraw($this->showColor);
}
}
/**
* Draws tables
*
* Tables are generated using Dia object type Database - Table
* primary fields are underlined and bold in tables
*
* @return void
*
* @access private
* @see TableStatsDia::tableDraw()
*/
private function _drawTables()
{
foreach ($this->_tables as $table) {
$table->tableDraw($this->showColor);
}
}
}

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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains PMA\libraries\plugins\schema\dia\RelationStatsDia class
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\dia;
/**
* Relation preferences/statistics
*
* This class fetches the table master and foreign fields positions
* and helps in generating the Table references and then connects
* master table's master field to foreign table's foreign key
* in dia XML document.
*
* @package PhpMyAdmin
* @name Relation_Stats_Dia
* @see PMA_DIA
*/
class RelationStatsDia
{
protected $diagram;
/**
* Defines properties
*/
public $srcConnPointsRight;
public $srcConnPointsLeft;
public $destConnPointsRight;
public $destConnPointsLeft;
public $masterTableId;
public $foreignTableId;
public $masterTablePos;
public $foreignTablePos;
public $referenceColor;
/**
* The "PMA\libraries\plugins\schema\dia\RelationStatsDia" constructor
*
* @param object $diagram The DIA diagram
* @param string $master_table The master table name
* @param string $master_field The relation field in the master table
* @param string $foreign_table The foreign table name
* @param string $foreign_field The relation field in the foreign table
*
* @see Relation_Stats_Dia::_getXy
*/
public function __construct(
$diagram, $master_table, $master_field, $foreign_table, $foreign_field
) {
$this->diagram = $diagram;
$src_pos = $this->_getXy($master_table, $master_field);
$dest_pos = $this->_getXy($foreign_table, $foreign_field);
$this->srcConnPointsLeft = $src_pos[0];
$this->srcConnPointsRight = $src_pos[1];
$this->destConnPointsLeft = $dest_pos[0];
$this->destConnPointsRight = $dest_pos[1];
$this->masterTablePos = $src_pos[2];
$this->foreignTablePos = $dest_pos[2];
$this->masterTableId = $master_table->tableId;
$this->foreignTableId = $foreign_table->tableId;
}
/**
* Each Table object have connection points
* which is used to connect to other objects in Dia
* we detect the position of key in fields and
* then determines its left and right connection
* points.
*
* @param string $table The current table name
* @param string $column The relation column name
*
* @return array Table right,left connection points and key position
*
* @access private
*/
private function _getXy($table, $column)
{
$pos = array_search($column, $table->fields);
// left, right, position
$value = 12;
if ($pos != 0) {
return array($pos + $value + $pos, $pos + $value + $pos + 1, $pos);
}
return array($pos + $value , $pos + $value + 1, $pos);
}
/**
* Draws relation references
*
* connects master table's master field to foreign table's
* foreign field using Dia object type Database - Reference
* Dia object is used to generate the XML of Dia Document.
* Database reference Object and their attributes are involved
* in the combination of displaying Database - reference on Dia Document.
*
* @param boolean $showColor Whether to use one color per relation or not
* if showColor is true then an array of $listOfColors
* will be used to choose the random colors for
* references lines. we can change/add more colors to
* this
*
* @return boolean|void
*
* @access public
* @see PDF
*/
public function relationDraw($showColor)
{
++DiaRelationSchema::$objectId;
/*
* if source connection points and destination connection
* points are same then return it false and don't draw that
* relation
*/
if ($this->srcConnPointsRight == $this->destConnPointsRight) {
if ($this->srcConnPointsLeft == $this->destConnPointsLeft) {
return false;
}
}
if ($showColor) {
$listOfColors = array(
'FF0000',
'000099',
'00FF00',
);
shuffle($listOfColors);
$this->referenceColor = '#' . $listOfColors[0] . '';
} else {
$this->referenceColor = '#000000';
}
$this->diagram->writeRaw(
'<dia:object type="Database - Reference" version="0" id="'
. DiaRelationSchema::$objectId . '">
<dia:attribute name="obj_pos">
<dia:point val="3.27,18.9198"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="2.27,8.7175;17.7679,18.9198"/>
</dia:attribute>
<dia:attribute name="meta">
<dia:composite type="dict"/>
</dia:attribute>
<dia:attribute name="orth_points">
<dia:point val="3.27,18.9198"/>
<dia:point val="2.27,18.9198"/>
<dia:point val="2.27,14.1286"/>
<dia:point val="17.7679,14.1286"/>
<dia:point val="17.7679,9.3375"/>
<dia:point val="16.7679,9.3375"/>
</dia:attribute>
<dia:attribute name="orth_orient">
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
</dia:attribute>
<dia:attribute name="orth_autoroute">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="text_colour">
<dia:color val="#000000"/>
</dia:attribute>
<dia:attribute name="line_colour">
<dia:color val="' . $this->referenceColor . '"/>
</dia:attribute>
<dia:attribute name="line_width">
<dia:real val="0.10000000000000001"/>
</dia:attribute>
<dia:attribute name="line_style">
<dia:enum val="0"/>
<dia:real val="1"/>
</dia:attribute>
<dia:attribute name="corner_radius">
<dia:real val="0"/>
</dia:attribute>
<dia:attribute name="end_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="end_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="start_point_desc">
<dia:string>#1#</dia:string>
</dia:attribute>
<dia:attribute name="end_point_desc">
<dia:string>#n#</dia:string>
</dia:attribute>
<dia:attribute name="normal_font">
<dia:font family="monospace" style="0" name="Courier"/>
</dia:attribute>
<dia:attribute name="normal_font_height">
<dia:real val="0.59999999999999998"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="'
. $this->masterTableId . '" connection="'
. $this->srcConnPointsRight . '"/>
<dia:connection handle="1" to="'
. $this->foreignTableId . '" connection="'
. $this->destConnPointsRight . '"/>
</dia:connections>
</dia:object>'
);
}
}

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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Contains PMA\libraries\plugins\schema\dia\TableStatsDia class
*
* @package PhpMyAdmin
*/
namespace PMA\libraries\plugins\schema\dia;
use PMA\libraries\plugins\schema\ExportRelationSchema;
use PMA\libraries\plugins\schema\TableStats;
/**
* Table preferences/statistics
*
* This class preserves the table co-ordinates,fields
* and helps in drawing/generating the Tables in dia XML document.
*
* @package PhpMyAdmin
* @name Table_Stats_Dia
* @see PMA_DIA
*/
class TableStatsDia extends TableStats
{
public $tableId;
public $tableColor;
/**
* The "PMA\libraries\plugins\schema\dia\TableStatsDia" constructor
*
* @param object $diagram The current dia document
* @param string $db The database name
* @param string $tableName The table name
* @param integer $pageNumber The current page number (from the
* $cfg['Servers'][$i]['table_coords'] table)
* @param boolean $showKeys Whether to display ONLY keys or not
* @param boolean $offline Whether the coordinates are sent from the browser
*/
public function __construct(
$diagram,
$db,
$tableName,
$pageNumber,
$showKeys = false,
$offline = false
) {
parent::__construct(
$diagram,
$db,
$pageNumber,
$tableName,
$showKeys,
false,
$offline
);
/**
* Every object in Dia document needs an ID to identify
* so, we used a static variable to keep the things unique
*/
$this->tableId = ++DiaRelationSchema::$objectId;
}
/**
* Displays an error when the table cannot be found.
*
* @return void
*/
protected function showMissingTableError()
{
ExportRelationSchema::dieSchema(
$this->pageNumber,
"DIA",
sprintf(__('The %s table doesn\'t exist!'), $this->tableName)
);
}
/**
* Do draw the table
*
* Tables are generated using object type Database - Table
* primary fields are underlined in tables. Dia object
* is used to generate the XML of Dia Document. Database Table
* Object and their attributes are involved in the combination
* of displaying Database - Table on Dia Document.
*
* @param boolean $showColor Whether to show color for tables text or not
* if showColor is true then an array of $listOfColors
* will be used to choose the random colors for tables
* text we can change/add more colors to this array
*
* @return void
*
* @access public
* @see Dia
*/
public function tableDraw($showColor)
{
if ($showColor) {
$listOfColors = array(
'FF0000',
'000099',
'00FF00'
);
shuffle($listOfColors);
$this->tableColor = '#' . $listOfColors[0] . '';
} else {
$this->tableColor = '#000000';
}
$factor = 0.1;
$this->diagram->startElement('dia:object');
$this->diagram->writeAttribute('type', 'Database - Table');
$this->diagram->writeAttribute('version', '0');
$this->diagram->writeAttribute('id', '' . $this->tableId . '');
$this->diagram->writeRaw(
'<dia:attribute name="obj_pos">
<dia:point val="'
. ($this->x * $factor) . ',' . ($this->y * $factor) . '"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="'
. ($this->x * $factor) . ',' . ($this->y * $factor) . ';9.97,9.2"/>
</dia:attribute>
<dia:attribute name="meta">
<dia:composite type="dict"/>
</dia:attribute>
<dia:attribute name="elem_corner">
<dia:point val="'
. ($this->x * $factor) . ',' . ($this->y * $factor) . '"/>
</dia:attribute>
<dia:attribute name="elem_width">
<dia:real val="5.9199999999999999"/>
</dia:attribute>
<dia:attribute name="elem_height">
<dia:real val="3.5"/>
</dia:attribute>
<dia:attribute name="text_colour">
<dia:color val="' . $this->tableColor . '"/>
</dia:attribute>
<dia:attribute name="line_colour">
<dia:color val="#000000"/>
</dia:attribute>
<dia:attribute name="fill_colour">
<dia:color val="#ffffff"/>
</dia:attribute>
<dia:attribute name="line_width">
<dia:real val="0.10000000000000001"/>
</dia:attribute>
<dia:attribute name="name">
<dia:string>#' . $this->tableName . '#</dia:string>
</dia:attribute>
<dia:attribute name="comment">
<dia:string>##</dia:string>
</dia:attribute>
<dia:attribute name="visible_comment">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="tagging_comment">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="underline_primary_key">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="bold_primary_keys">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="normal_font">
<dia:font family="monospace" style="0" name="Courier"/>
</dia:attribute>
<dia:attribute name="name_font">
<dia:font family="sans" style="80" name="Helvetica-Bold"/>
</dia:attribute>
<dia:attribute name="comment_font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="normal_font_height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="name_font_height">
<dia:real val="0.69999999999999996"/>
</dia:attribute>
<dia:attribute name="comment_font_height">
<dia:real val="0.69999999999999996"/>
</dia:attribute>'
);
$this->diagram->startElement('dia:attribute');
$this->diagram->writeAttribute('name', 'attributes');
foreach ($this->fields as $field) {
$this->diagram->writeRaw(
'<dia:composite type="table_attribute">
<dia:attribute name="name">
<dia:string>#' . $field . '#</dia:string>
</dia:attribute>
<dia:attribute name="type">
<dia:string>##</dia:string>
</dia:attribute>
<dia:attribute name="comment">
<dia:string>##</dia:string>
</dia:attribute>'
);
unset($pm);
$pm = 'false';
if (in_array($field, $this->primary)) {
$pm = 'true';
}
if ($field == $this->displayfield) {
$pm = 'false';
}
$this->diagram->writeRaw(
'<dia:attribute name="primary_key">
<dia:boolean val="' . $pm . '"/>
</dia:attribute>
<dia:attribute name="nullable">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="unique">
<dia:boolean val="' . $pm . '"/>
</dia:attribute>
</dia:composite>'
);
}
$this->diagram->endElement();
$this->diagram->endElement();
}
}