356 lines
12 KiB
PHP
356 lines
12 KiB
PHP
<?php
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// contributed by Maxime Delorme
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// merged by lem9
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require('./libraries/grab_globals.lib.php3');
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require('./libraries/common.lib.php3');
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require("./fpdf/fpdf.php3");
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define("FPDF_FONTPATH","./fpdf/font/");
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mysql_select_db($db);
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class PDF extends FPDF {
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var $x_min;
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var $y_min;
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var $l_marg;
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var $t_marg;
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var $scale ;
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function SetScale($scale = 1, $x_min = 0, $y_min = 0, $l_marg, $t_marg)
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{
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$this->scale = $scale;
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$this->x_min = $x_min;
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$this->y_min = $y_min;
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$this->l_marg = $l_marg;
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$this->t_marg = $t_marg;
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}
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function cell_scale($w,$h=0,$txt='',$border=0,$ln=0,$align='',$fill=0)
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{
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$h = $h/$this->scale;
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$w = $w/$this->scale;
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$this->Cell($w,$h,$txt,$border,$ln,$align,$fill);
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}
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function Line_scale($x1,$y1,$x2,$y2)
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{
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$x1 = ($x1-$this->x_min)/$this->scale+$this->l_marg;
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$y1 = ($y1-$this->y_min)/$this->scale+$this->t_marg;
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$x2 = ($x2-$this->x_min)/$this->scale+$this->l_marg;
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$y2 = ($y2-$this->y_min)/$this->scale+$this->t_marg;
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$this->Line($x1,$y1,$x2,$y2);
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}
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function SetXY_scale($x, $y)
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{
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$x = ($x-$this->x_min)/$this->scale+$this->l_marg;
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$y = ($y-$this->y_min)/$this->scale+$this->t_marg;
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$this->SetXY($x,$y);
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}
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function SetX_scale($x)
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{
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$x = ($x-$this->x_min)/$this->scale+$this->l_marg;
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$this->SetX($x);
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}
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function SetFontSize_scale($size)
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{
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//Set font size in points
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$size = $size/$this->scale;
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$this->SetFontSize($size);
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}
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function SetLineWidth_scale($width)
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{
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$width = $width/$this->scale;
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$this->SetLineWidth($width);
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}
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}
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class RT {
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var $tables = array();
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var $relations = array();
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var $ff = "Arial";
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var $x_max, $y_max;
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var $scale;
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var $x_min = 100000, $y_min = 100000;
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var $t_marg = 10;
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var $b_marg = 10;
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var $l_marg = 10;
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var $r_marg = 10;
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function RT($scale, $which_rel , $show_info = 0, $change_color = 0 , $show_grid = 0){
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global $pdf;
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$pdf=new PDF("L");
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$pdf->cMargin = 0;
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$pdf->Open();
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$pdf->AliasNbPages();
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$pdf->Addpage();
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$pdf->SetFont($this->ff,'',14);
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$pdf->SetAutoPageBreak("auto");
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$sql = "select * from "
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. PMA_backquote($GLOBALS['cfg']['Server']['relation'])
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. " where pdf_page_number = '$which_rel'";
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$result = mysql_query($sql);
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while ($row = mysql_fetch_array($result)){
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$this->add_relation($row['master_table'] , $row['master_field'], $row['foreign_table'], $row['foreign_field']);
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}
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if ($scale == "auto"){
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$this->scale = ceil(max ( ($this->x_max - $this->x_min)/(297-$this->r_marg-$this->l_marg), ($this->y_max- $this->y_min)/(210-$this->t_marg-$this->b_marg))*100)/100;
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$pdf->SetScale ($this->scale, $this->x_min, $this->y_min, $this->l_marg, $this->t_marg);
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}
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else {
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$this->scale = $scale;
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$pdf->SetScale($scale);
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}
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$pdf->SetLineWidth_scale(0.1);
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$pdf->SetFontSize_scale(14);
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if ($show_grid) {
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$this->Stroke_grid();
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}
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$this->draw_relations($change_color);
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$this->draw_tables($show_info);
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$this->showRT();
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}
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function add_relation ($master_table , $master_field, $foreign_table, $foreign_field){
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if (!isset($this->tables[$master_table])){
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$this->tables[$master_table] = new rt_table ($master_table, $this->ff);
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$this->set_min_max($this->tables[$master_table]);
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}
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if (!isset($this->tables[$foreign_table])){
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$this->tables[$foreign_table] = new rt_table ($foreign_table, $this->ff);
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$this->set_min_max($this->tables[$foreign_table]);
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}
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$this->relations[] = new rt_relation($this->tables[$master_table] , $master_field, $this->tables[$foreign_table], $foreign_field);
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}
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function set_min_max($table){
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$this->x_max = max($this->x_max,$table->x+$table->width);
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$this->y_max = max($this->y_max,$table->y+$table->height);
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$this->x_min = min($this->x_min,$table->x);
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$this->y_min = min($this->y_min,$table->y);
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}
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function draw_tables($show_info){
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foreach ($this->tables as $table){
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$table->draw($show_info);
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}
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}
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function draw_relations($change_color){
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$i = 0;
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foreach ($this->relations as $relation){
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$relation->draw($change_color, $i);
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$i++;
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}
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}
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function Stroke_grid(){
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global $pdf;
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$pdf->SetMargins(0,0);
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$pdf->SetDrawColor(200,200,200);
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for ($l = 0; $l < 21; $l++){
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//horizontal line
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$pdf->line(0,$l*10, 297,$l*10);
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$pdf->SetXY(0,$l*10);
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$pdf->cell(5,5,round(($l*10-$this->t_marg)*$this->scale+$this->y_min));
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}
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for ($j = 0; $j < 30 ;$j++){
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//vertical line
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$pdf->line($j*10,0,$j*10,210);
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$pdf->SetXY($j*10,0);
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$pdf->Cell(5,7,round(($j*10-$this->l_marg)*$this->scale+$this->x_min));
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}
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}
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function showRT(){
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global $pdf, $db, $pdf_page_number;
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$pdf->SetDisplayMode("fullpage");
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$pdf->Output($db . "_" . $pdf_page_number . ".pdf", TRUE);
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}
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}
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class rt_relation{
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var $x_src, $y_src;
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var $src_dir ;
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var $dest_dir;
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var $x_dest, $y_dest;
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var $w_tick = 5;
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function rt_relation ($master_table , $master_field, $foreign_table, $foreign_field){
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$src_pos = $this->get_xy ($master_table , $master_field);
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$dest_pos = $this->get_xy ($foreign_table, $foreign_field);
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$src_left = $src_pos[0]-$this->w_tick;
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$src_right = $src_pos[1]+$this->w_tick;
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$dest_left = $dest_pos[0]-$this->w_tick;
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$dest_right = $dest_pos[1]+$this->w_tick;
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$d1 = abs($src_left - $dest_left);
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$d2 = abs($src_right - $dest_left);
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$d3 = abs($src_left - $dest_right);
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$d4 = abs($src_right - $dest_right);
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$d = min ($d1,$d2,$d3,$d4);
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if ($d == $d1 ){
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$this->x_src = $src_pos[0];
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$this->src_dir = -1;
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$this->x_dest = $dest_pos[0];
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$this->dest_dir = -1;
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}elseif ($d == $d2){
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$this->x_src = $src_pos[1];
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$this->src_dir = 1;
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$this->x_dest = $dest_pos[0];
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$this->dest_dir = -1;
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}elseif ($d == $d3){
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$this->x_src = $src_pos[0];
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$this->src_dir = -1;
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$this->x_dest = $dest_pos[1];
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$this->dest_dir = 1;
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}else{
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$this->x_src = $src_pos[1];
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$this->src_dir = 1;
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$this->x_dest = $dest_pos[1];
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$this->dest_dir = 1;
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}
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$this->y_src = $src_pos[2];
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$this->y_dest = $dest_pos[2];
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}
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function get_xy ($table , $column){
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$pos = array_search ($column, $table->fields);
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//x_left, x_right ,y
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return array($table->x, $table->x+$table->width, $table->y+($pos+1.5)*$table->height_cell);
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}
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function draw($change_color, $i){
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global $pdf;
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if ($change_color){
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$d = $i%6;
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$j = ($i-$d)/6;
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$j = $j%4;
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$j++;
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$case = array (
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array (1,0,0),
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array (0,1,0),
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array (0,0,1),
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array (1,1,0),
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array (1,0,1),
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array (0,1,1)
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);
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list ($a, $b, $c) = $case[$d];
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$e = (1-($j-1)/6);
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$pdf->SetDrawColor ($a*255*$e,$b*255*$e,$c*255*$e);
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}
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else {
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$pdf->SetDrawColor (0);
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}
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$pdf->SetLineWidth_scale(0.2);
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$pdf->Line_scale($this->x_src, $this->y_src, $this->x_src+$this->src_dir*$this->w_tick, $this->y_src);
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$pdf->Line_scale($this->x_dest+$this->dest_dir*$this->w_tick, $this->y_dest, $this->x_dest, $this->y_dest);
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$pdf->SetLineWidth_scale(0.1);
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$pdf->Line_scale($this->x_src+$this->src_dir*$this->w_tick, $this->y_src, $this->x_dest+$this->dest_dir*$this->w_tick, $this->y_dest);
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//arrow
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$root2 = 2*sqrt(2);
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$pdf->Line_scale($this->x_src+$this->src_dir*$this->w_tick*0.75, $this->y_src, $this->x_src+$this->src_dir*(0.75-1/$root2)*$this->w_tick, $this->y_src + $this->w_tick/$root2);
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$pdf->Line_scale($this->x_src+$this->src_dir*$this->w_tick*0.75, $this->y_src, $this->x_src+$this->src_dir*(0.75-1/$root2)*$this->w_tick, $this->y_src - $this->w_tick/$root2);
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$pdf->Line_scale($this->x_dest+$this->dest_dir*$this->w_tick/2, $this->y_dest, $this->x_dest+$this->dest_dir*(0.5+1/$root2)*$this->w_tick, $this->y_dest + $this->w_tick/$root2);
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$pdf->Line_scale($this->x_dest+$this->dest_dir*$this->w_tick/2, $this->y_dest, $this->x_dest+$this->dest_dir*(0.5+1/$root2)*$this->w_tick, $this->y_dest - $this->w_tick/$root2);
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$pdf->SetDrawColor (0);
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}
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}
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class rt_table {
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var $nb_fiels;
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var $table_name;
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var $width;
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var $height;
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var $fields = array();
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var $height_cell = 6;
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var $x, $y;
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function rt_table ($table_name, $ff){
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$this->table_name = $table_name;
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$sql = "describe $table_name";
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$result = mysql_query($sql);
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// load fields
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while ($row = mysql_fetch_array($result)){
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$this->fields[] = $row[0];
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}
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//height and width
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$this->set_width($ff);
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$this->set_height();
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//x and y
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$sql = "select x, y from "
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. PMA_backquote($GLOBALS['cfg']['Server']['pdf_table_position'])
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. " where table_name = '$table_name'";
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$result = mysql_query($sql);
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if (!mysql_num_rows($result)){
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die (sprintf($GLOBALS['strConfigureTableCoord'],$table_name));
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}
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list($this->x, $this->y ) = mysql_fetch_array($result);
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}
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function set_width ($ff){
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global $pdf;
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foreach( $this->fields as $field ){
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$this->width = max( $this->width, $pdf->GetStringWidth($field ));
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}
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$this->width += $pdf->GetStringWidth(" ");
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$pdf->SetFont("$ff",'B');
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$this->width = max( $this->width, $pdf->GetStringWidth(" " . $this->table_name ));
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$pdf->SetFont("$ff",'');
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}
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function set_height(){
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$this->height = (sizeof($this->fields)+1)*$this->height_cell;
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}
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function draw($show_info){
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global $pdf;
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$pdf->SetXY_scale($this->x, $this->y);
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$pdf->SetFont("$ff",'B');
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$pdf->SetTextColor (200);
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$pdf->SetFillColor (0,0,128);
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if ($show_info){
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$pdf->Cell_scale($this->width, $this->height_cell, round($this->width) . "x". round($this->height). " " .$this->table_name ,1,1,"C",1);
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} else {
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$pdf->Cell_scale($this->width, $this->height_cell, $this->table_name ,1,1,"C",1);
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}
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$pdf->SetX_scale($this->x);
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$pdf->SetFont("$ff",'');
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$pdf->SetTextColor (0);
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$pdf->SetFillColor (255);
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foreach ($this->fields as $field){
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$pdf->Cell_scale($this->width, $this->height_cell, " ".$field,1,1,"L",1);
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$pdf->SetX_scale($this->x);
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}
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if ($pdf->PageNo() >1 ){
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die ($GLOBALS['strScaleFactorSmall']);
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}
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}
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}
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// main logic
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if (!isset($pdf_page_number)){
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$pdf_page_number = 1;
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}
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if (!isset($show_grid)){
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$show_grid = 0;
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}
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$rt = new RT("auto",$pdf_page_number,0,1,$show_grid);
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?>
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