pdf_schema.php

WEBGAME源码,有架设说明,只是非常简单

        // x_left, x_right, y
        return array($table->x, $table->x + + $table->width, $table->y + ($pos + 1.5) * $table->height_cell);
    } // end of the "PMA_RT_Relation_getXy()" method
    /**
     * Do draws relation links
     *
     * @param boolean $ Whether to use one color per relation or not
     * @param integer $ The id of the link to draw
     * @global object    The current PDF document
     * @access private
     * @see PMA_PDF
     */
    function PMA_RT_Relation_draw($change_color, $i)
    {
        global $pdf;

        if ($change_color) {
            $d = $i % 6;
            $j = ($i - $d) / 6;
            $j = $j % 4;
            $j++;
            $case = array(
                array(1, 0, 0),
                array(0, 1, 0),
                array(0, 0, 1),
                array(1, 1, 0),
                array(1, 0, 1),
                array(0, 1, 1)
                );
            list ($a, $b, $c) = $case[$d];
            $e = (1 - ($j - 1) / 6);
            $pdf->SetDrawColor($a * 255 * $e, $b * 255 * $e, $c * 255 * $e);
        } else {
            $pdf->SetDrawColor(0);
        } // end if... else...
        $pdf->PMA_PDF_setLineWidthScale(0.2);
        $pdf->PMA_PDF_lineScale($this->x_src, $this->y_src, $this->x_src + $this->src_dir * $this->w_tick, $this->y_src);
        $pdf->PMA_PDF_lineScale($this->x_dest + $this->dest_dir * $this->w_tick, $this->y_dest, $this->x_dest, $this->y_dest);
        $pdf->PMA_PDF_setLineWidthScale(0.1);
        $pdf->PMA_PDF_lineScale($this->x_src + $this->src_dir * $this->w_tick, $this->y_src, $this->x_dest + $this->dest_dir * $this->w_tick, $this->y_dest);
        // arrow
        $root2 = 2 * sqrt(2);
        $pdf->PMA_PDF_lineScale($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);
        $pdf->PMA_PDF_lineScale($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);

        $pdf->PMA_PDF_lineScale($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);
        $pdf->PMA_PDF_lineScale($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);
        $pdf->SetDrawColor(0);
    } // end of the "PMA_RT_Relation_draw()" method
    /**
     * The "PMA_RT_Relation" constructor
     *
     * @param string $ The master table name
     * @param string $ The relation field in the master table
     * @param string $ The foreign table name
     * @param string $ The relation field in the foreign table
     * @access private
     * @see PMA_RT_Relation::PMA_RT_Relation_getXy
     */
    function PMA_RT_Relation($master_table, $master_field, $foreign_table, $foreign_field)
    {
        $src_pos = $this->PMA_RT_Relation_getXy($master_table, $master_field);
        $dest_pos = $this->PMA_RT_Relation_getXy($foreign_table, $foreign_field);
        $src_left = $src_pos[0] - $this->w_tick;
        $src_right = $src_pos[1] + $this->w_tick;
        $dest_left = $dest_pos[0] - $this->w_tick;
        $dest_right = $dest_pos[1] + $this->w_tick;

        $d1 = abs($src_left - $dest_left);
        $d2 = abs($src_right - $dest_left);
        $d3 = abs($src_left - $dest_right);
        $d4 = abs($src_right - $dest_right);
        $d = min($d1, $d2, $d3, $d4);

        if ($d == $d1) {
            $this->x_src = $src_pos[0];
            $this->src_dir = -1;
            $this->x_dest = $dest_pos[0];
            $this->dest_dir = -1;
        } elseif ($d == $d2) {
            $this->x_src = $src_pos[1];
            $this->src_dir = 1;
            $this->x_dest = $dest_pos[0];
            $this->dest_dir = -1;
        } elseif ($d == $d3) {
            $this->x_src = $src_pos[0];
            $this->src_dir = -1;
            $this->x_dest = $dest_pos[1];
            $this->dest_dir = 1;
        } else {
            $this->x_src = $src_pos[1];
            $this->src_dir = 1;
            $this->x_dest = $dest_pos[1];
            $this->dest_dir = 1;
        }
        $this->y_src = $src_pos[2];
        $this->y_dest = $dest_pos[2];
    } // end of the "PMA_RT_Relation()" method
} // end of the "PMA_RT_Relation" class
/**
 * Draws and send the database schema
 *
 * @access public
 * @see PMA_PDF
 */
class PMA_RT {
    /**
     * Defines private properties
     */
    var $tables = array();
    var $relations = array();
    var $ff = PMA_PDF_FONT;
    var $x_max = 0;
    var $y_max = 0;
    var $scale;
    var $x_min = 100000;
    var $y_min = 100000;
    var $t_marg = 10;
    var $b_marg = 10;
    var $l_marg = 10;
    var $r_marg = 10;
    var $tablewidth;
    var $same_wide = 0;

    /**
     * Sets X and Y minimum and maximum for a table cell
     *
     * @param string $ The table name
     * @access private
     */
    function PMA_RT_setMinMax($table)
    {
        $this->x_max = max($this->x_max, $table->x + $table->width);
        $this->y_max = max($this->y_max, $table->y + $table->height);
        $this->x_min = min($this->x_min, $table->x);
        $this->y_min = min($this->y_min, $table->y);
    } // end of the "PMA_RT_setMinMax()" method
    /**
     * Defines relation objects
     *
     * @param string $ The master table name
     * @param string $ The relation field in the master table
     * @param string $ The foreign table name
     * @param string $ The relation field in the foreign table
     * @access private
     * @see PMA_RT_setMinMax
     */
    function PMA_RT_addRelation($master_table, $master_field, $foreign_table, $foreign_field)
    {
        if (!isset($this->tables[$master_table])) {
            $this->tables[$master_table] = new PMA_RT_Table($master_table, $this->ff, $this->tablewidth);
            $this->PMA_RT_setMinMax($this->tables[$master_table]);
        }
        if (!isset($this->tables[$foreign_table])) {
            $this->tables[$foreign_table] = new PMA_RT_Table($foreign_table, $this->ff, $this->tablewidth);
            $this->PMA_RT_setMinMax($this->tables[$foreign_table]);
        }
        $this->relations[] = new PMA_RT_Relation($this->tables[$master_table], $master_field, $this->tables[$foreign_table], $foreign_field);
    } // end of the "PMA_RT_addRelation()" method
    /**
     * Draws the grid
     *
     * @global object  the current PMA_PDF instance
     * @access private
     * @see PMA_PDF
     */
    function PMA_RT_strokeGrid()
    {
        global $pdf;

        $pdf->SetMargins(0, 0);
        $pdf->SetDrawColor(200, 200, 200);
        // Draws horizontal lines
        for ($l = 0; $l < 21; $l++) {
            $pdf->line(0, $l * 10, $pdf->fh, $l * 10);
            // Avoid duplicates
            if ($l > 0) {
                $pdf->SetXY(0, $l * 10);
                $label = (string) sprintf('%.0f', ($l * 10 - $this->t_marg) * $this->scale + $this->y_min);
                $pdf->Cell(5, 5, ' ' . $label);
            } // end if
        } // end for
        // Draws vertical lines
        for ($j = 0; $j < 30 ;$j++) {
            $pdf->line($j * 10, 0, $j * 10, $pdf->fw);
            $pdf->SetXY($j * 10, 0);
            $label = (string) sprintf('%.0f', ($j * 10 - $this->l_marg) * $this->scale + $this->x_min);
            $pdf->Cell(5, 7, $label);
        } // end for
    } // end of the "PMA_RT_strokeGrid()" method
    /**
     * Draws relation arrows
     *
     * @param boolean $ Whether to use one color per relation or not
     * @access private
     * @see PMA_RT_Relation::PMA_RT_Relation_draw()
     */
    function PMA_RT_drawRelations($change_color)
    {
        $i = 0;
        foreach ($this->relations AS $relation) {
            $relation->PMA_RT_Relation_draw($change_color, $i);
            $i++;
        } // end while
    } // end of the "PMA_RT_drawRelations()" method
    /**
     * Draws tables
     *
     * @param boolean $ Whether to display table position or not
     * @access private
     * @see PMA_RT_Table::PMA_RT_Table_draw()
     */
    function PMA_RT_drawTables($show_info, $draw_color = 0)
    {
        foreach ($this->tables AS $table) {
            $table->PMA_RT_Table_draw($show_info, $this->ff, $draw_color);
        }
    } // end of the "PMA_RT_drawTables()" method
    /**
     * Ouputs the PDF document to a file
     *
     * @global object   The current PDF document
     * @global string   The current database name
     * @global integer  The current page number (from the
     *                    $cfg['Servers'][$i]['table_coords'] table)
     * @access private
     * @see PMA_PDF
     */
    function PMA_RT_showRt()
    {
        global $pdf, $db, $pdf_page_number, $cfgRelation;

        $pdf->SetFontSize(14);
        $pdf->SetLineWidth(0.2);
        $pdf->SetDisplayMode('fullpage');
        // Get the name of this pdfpage to use as filename (Mike Beck)
        $_name_sql = 'SELECT page_descr FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['pdf_pages'])
         . ' WHERE page_nr = ' . $pdf_page_number;
        $_name_rs = PMA_query_as_cu($_name_sql);
        if ($_name_rs) {
            $_name_row = PMA_DBI_fetch_row($_name_rs);
            $filename = $_name_row[0] . '.pdf';
        }
        // i don't know if there is a chance for this to happen, but rather be on the safe side:
        if (empty($filename)) {
            $filename = $pdf_page_number . '.pdf';
        }
        // $pdf->Output($db . '_' . $filename, TRUE);
        $pdf->Output($db . '_' . $filename, 'I'); // destination: Inline
    } // end of the "PMA_RT_showRt()" method
    /**
     * The "PMA_RT" constructor
     *
     * @param mixed $ The scaling factor
     * @param integer $ The page number to draw (from the
     *                    $cfg['Servers'][$i]['table_coords'] table)
     * @param boolean $ Whether to display table position or not
     * @param boolean $ Was originally whether to use one color per
     *                    relation or not, now enables/disables color
     *                    everywhere, due to some problems printing with color
     * @param boolean $ Whether to draw grids or not
     * @param boolean $ Whether all tables should have the same width or not
     * @global object   The current PDF document
     * @global string   The current db name
     * @global array    The relations settings
     * @access private
     * @see PMA_PDF
     */
    function PMA_RT($which_rel, $show_info = 0, $change_color = 0, $show_grid = 0, $all_tab_same_wide = 0, $orientation = 'L', $paper = 'A4')
    {
        global $pdf, $db, $cfgRelation, $with_doc;

        $this->same_wide = $all_tab_same_wide;
        // Initializes a new document
        $pdf = new PMA_PDF('L', 'mm', $paper);
        $pdf->title = sprintf($GLOBALS['strPdfDbSchema'], $GLOBALS['db'], $which_rel);
        $pdf->cMargin = 0;
        $pdf->Open();
        $pdf->SetTitle($pdf->title);
        $pdf->SetAuthor('phpMyAdmin ' . PMA_VERSION);
        $pdf->AliasNbPages();

        $pdf->AddFont('DejaVuSans', '', 'dejavusans.php');
        $pdf->AddFont('DejaVuSans', 'B', 'dejavusans-bold.php');
        $pdf->AddFont('DejaVuSerif', '', 'dejavuserif.php');
        $pdf->AddFont('DejaVuSerif', 'B', 'dejavuserif-bold.php');
        $this->ff = PMA_PDF_FONT;
        $pdf->SetFont($this->ff, '', 14);
        $pdf->SetAutoPageBreak('auto');
        // Gets tables on this page
        $tab_sql = 'SELECT table_name FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['table_coords'])
         . ' WHERE db_name = \'' . PMA_sqlAddslashes($db) . '\''
         . ' AND pdf_page_number = ' . $which_rel;
        $tab_rs = PMA_query_as_cu($tab_sql, null, PMA_DBI_QUERY_STORE);
        if (!$tab_rs || !PMA_DBI_num_rows($tab_rs) > 0) {
            $pdf->PMA_PDF_die($GLOBALS['strPdfNoTables']);
            // die('No tables');
        } while ($curr_table = @PMA_DBI_fetch_assoc($tab_rs)) {
            $alltables[] = PMA_sqlAddslashes($curr_table['table_name']);
            // $intable     = '\'' . implode('\', \'', $alltables) . '\'';
        }
        // make doc                    //
        if ($with_doc) {
            $pdf->SetAutoPageBreak('auto', 15);
            $pdf->cMargin = 1;
            PMA_RT_DOC($alltables);
            $pdf->SetAutoPageBreak('auto');
            $pdf->cMargin = 0;
        }

        $pdf->Addpage();

        if ($with_doc) {
            $pdf->SetLink($pdf->PMA_links['RT']['-'], -1);
            $pdf->Bookmark($GLOBALS['strRelationalSchema']);
            $pdf->SetAlias('{00}', $pdf->PageNo()) ;
            $this->t_marg = 18;
            $this->b_marg = 18;
        }

        /* snip */

        foreach ($alltables AS $table) {
            if (!isset($this->tables[$table])) {
                $this->tables[$table] = new PMA_RT_Table($table, $this->ff, $this->tablewidth);
            }

            if ($this->same_wide) {
                $this->tables[$table]->width = $this->tablewidth;
            }
            $this->PMA_RT_setMinMax($this->tables[$table]);
        }
        // Defines the scale factor
        $this->scale = ceil(max(($this->x_max - $this->x_min) / ($pdf->fh - $this->r_marg - $this->l_marg), ($this->y_max - $this->y_min) / ($pdf->fw - $this->t_marg - $this->b_marg)) * 100) / 100;
        $pdf->PMA_PDF_setScale($this->scale, $this->x_min, $this->y_min, $this->l_marg, $this->t_marg);
        // Builds and save the PDF document
        $pdf->PMA_PDF_setLineWidthScale(0.1);

        if ($show_grid) {
            $pdf->SetFontSize(10);
            $this->PMA_RT_strokeGrid();
        }
        $pdf->PMA_PDF_setFontSizeScale(14);
        // $sql    = 'SELECT * FROM ' . PMA_backquote($GLOBALS['cfgRelation']['db']) . '.' . PMA_backquote($cfgRelation['relation'])
        // .   ' WHERE master_db   = \'' . PMA_sqlAddslashes($db) . '\' '
        // .   ' AND foreign_db    = \'' . PMA_sqlAddslashes($db) . '\' '