mirror of
https://github.com/EGroupware/egroupware.git
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365 lines
13 KiB
PHP
365 lines
13 KiB
PHP
<?php
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/*******************************************************************\
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* eGroupWare - GD Graph *
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* http://www.egroupware.org *
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* This program is part of the GNU project, see http://www.gnu.org/ *
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* *
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* Written by Bettina Gille [ceb@phpgroupware.org] *
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* *
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* Creates graphical statistics using GD graphics library *
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* Copyright (C) 2003 Free Software Foundation, Inc *
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* ----------------------------------------------------------------- *
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* This class based on boGraph.php3 *
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* Double Choco Latte - Source Configuration Management System *
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* Copyright (C) 1999 Michael L. Dean & Tim R. Norman *
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* ----------------------------------------------------------------- *
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* This library is part of the eGroupWare API *
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* ----------------------------------------------------------------- *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program 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 GNU *
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* 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 this program; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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\*******************************************************************/
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/* $Id$ */
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class gdgraph
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{
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var $debug;
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var $title;
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var $caption_x;
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var $caption_y;
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var $lines_x;
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var $lines_y;
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var $line_captions_x;
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var $data;
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var $colors;
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var $color_legend;
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var $graph_width;
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var $graph_height;
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var $margin_top;
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var $margin_left;
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var $margin_bottom;
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var $margin_right;
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var $img;
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function gdgraph($debug = False)
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{
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$this->debug = $debug;
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$this->title = 'Gantt Chart';
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$this->caption_x = 'x';
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$this->caption_y = 'y';
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$this->num_lines_x = 30;
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$this->num_lines_y = 10;
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$this->line_captions_x = array();
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$this->line_captions_y = array();
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$this->data = array();
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$this->colors = array('red','green','blue','bright red','bright green','bright blue','dark red','dark green','dark blue');
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$this->color_legend = array();
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$this->color_extra = 'yellow';
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$this->graph_width = 800;
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$this->graph_height = 400;
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$this->margin_top = 20;
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$this->margin_left = 80;
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$this->margin_bottom = 40;
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$this->margin_right = 20;
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$this->img = CreateObject('phpgwapi.gdimage');
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$this->temp_file = $this->img->temp_file;
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}
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function rRender()
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{
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// Initialize image - map white since it's our background
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$this->img->width = $this->graph_width;
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$this->img->height = $this->graph_height;
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$this->img->Init();
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$this->img->SetColor(255, 255, 0);
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$this->img->ToBrowser();
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$this->img->Done();
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}
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function Render()
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{
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// Initialize image - map white since it's our background
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$this->img->width = $this->graph_width;
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$this->img->height = $this->graph_height;
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$this->img->Init();
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$this->img->SetColor(255, 255, 255, True);
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// Draw the captions
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$this->img->SetFont(3);
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$this->img->SetColor(0, 0, 0);
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$this->img->MoveTo($this->graph_width / 2, 2);
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$this->img->DrawText(array('text' => $this->title));
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//$this->img->MoveTo(2, $this->graph_height / 2);
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//$this->img->DrawText($this->caption_y, 'up', 'center');
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//$this->img->MoveTo($this->graph_width / 2, $this->graph_height - $this->img->GetFontHeight() - 2);
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//$this->img->DrawText($this->caption_x, '', 'center');
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// Draw the two axis
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$this->img->Line($this->margin_left, $this->margin_top, $this->margin_left, $this->graph_height - $this->margin_bottom + 4);
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$this->img->Line($this->margin_left - 4, $this->graph_height - $this->margin_bottom, $this->graph_width - $this->margin_right, $this->graph_height - $this->margin_bottom);
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// Draw dashed lines for x axis
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$linespace = ($this->graph_width - $this->margin_left - $this->margin_right) / ($this->num_lines_x - 1);
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for ($i = 1; $i < $this->num_lines_x; $i++)
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{
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$x = $i * $linespace + $this->margin_left;
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$this->img->SetColor(0, 0, 0);
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$this->img->Line($x, $this->graph_height - $this->margin_bottom - 4, $x, $this->graph_height - $this->margin_bottom + 4);
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$this->img->SetColor(200, 200, 200);
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$this->img->Line($x, $this->margin_top, $x, $this->graph_height - $this->margin_bottom - 4, 'dashed');
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}
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// Draw dashed lines for y axis
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$linespace = ($this->graph_height - $this->margin_top - $this->margin_bottom) / ($this->num_lines_y - 1);
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for ($i = 1; $i < $this->num_lines_y; $i++)
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{
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$y = $this->graph_height - $this->margin_bottom - ($i * $linespace);
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$this->img->SetColor(0, 0, 0);
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$this->img->Line($this->margin_left - 4, $y, $this->margin_left + 4, $y);
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$this->img->SetColor(200, 200, 200);
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$this->img->Line($this->margin_left + 4, $y, $this->graph_width - $this->margin_right, $y, 'dashed');
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}
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/* Find the largest numeric value in data (an array of arrays representing data)
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$largest = 0;
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reset($this->data);
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while (list($junk, $line) = each($this->data))
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{
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reset($line);
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while (list($junk2, $value) = each($line))
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{
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if ($value > $largest)
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{
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$largest = $value;
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}
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}
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}
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while ($largest < ($this->num_lines_y - 1))
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{
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$largest = ($this->num_lines_y - 1);
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}
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$spread = ceil($largest / ($this->num_lines_y - 1));
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$largest = $spread * ($this->num_lines_y - 1);*/
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$largest = $this->num_lines_x;
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// Draw the x axis text
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$this->img->SetColor(0, 0, 0);
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$this->img->SetFont(2);
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$linespace = ($this->graph_width - $this->margin_left - $this->margin_right) / ($this->num_lines_x - 1);
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reset($this->line_captions_x);
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$i = 0;
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while (list(,$text) = each($this->line_captions_x))
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{
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$this->img->MoveTo($i * $linespace + $this->margin_left, $this->graph_height - $this->margin_bottom + 8);
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$this->img->DrawText(array('text' => $text['date_formatted']));
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$i++;
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}
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// Draw the lines for the data
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$this->img->SetColor(255, 0, 0);
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reset($this->data);
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if($this->debug)
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{
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_debug_array($this->data);
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}
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$i = 1;
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while (is_array($this->data) && list(,$line) = each($this->data))
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{
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if($line['extracolor'])
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{
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$this->img->SetColorByName($line['extracolor']);
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}
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else
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{
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$this->img->SetColorByName($this->colors[$line['color']]);
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}
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$x1 = $x2 = $y1 = $y2 = 0;
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$linespace = ($this->graph_height - $this->margin_top - $this->margin_bottom) / ($this->num_lines_y - 1);
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$y1 = $y2 = $this->graph_height - $this->margin_bottom - ($i * $linespace);
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$linespace = ($this->graph_width - $this->margin_left - $this->margin_right) / ($this->num_lines_x - 1);
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if ($line['sdate'] <= $this->line_captions_x[0]['date'] && $line['edate'] > $this->line_captions_x[0]['date'])
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{
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if($this->debug)
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{
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echo 'PRO sdate <= x sdate | PRO edate > x sdate<br>';
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}
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$x1 = $this->margin_left;
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}
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elseif($line['sdate'] >= $this->line_captions_x[0]['date'] && $line['edate'] <= $this->line_captions_x[$largest]['date'])
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{
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if($this->debug)
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{
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echo 'PRO sdate >= date! pro_sdate = ' . $line['sdate'] . ', pro_edate = ' . $line['edate'] . '<br>';
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echo 'PRO sdate >= date! pro_sdate_formatted = ' . $GLOBALS['phpgw']->common->show_date($line['sdate'],$GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat']) . ', pro_edate_formatted = ' . $GLOBALS['phpgw']->common->show_date($line['edate'],$GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat']) . '<br>';
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echo 'x sdate: ' . $this->line_captions_x[0]['date'] . ', x edate: ' . $this->line_captions_x[$largest]['date'] . '<br><br>';
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}
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for($y=0;$y<$largest;$y++)
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{
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if($line['sdate'] == $this->line_captions_x[$y]['date'])
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{
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$x1 = $y * $linespace + $this->margin_left;
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}
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}
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}
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else
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{
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$x1 = $largest * $linespace + $this->margin_left;
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}
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if ($line['edate'] >= $this->line_captions_x[$largest]['date'])
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{
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if($this->debug)
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{
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echo 'PRO edate >= x edate! pro_edate = ' . $line['edate'] . '<br>';
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echo 'PRO edate >= x edate! pro_edate_formatted = ' . $GLOBALS['phpgw']->common->show_date($line['edate'],$GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat']) . '<br>';
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echo 'x edate: ' . $this->line_captions_x[$largest]['date'] . '<br>';
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}
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$x2 = $this->graph_width - $this->margin_right;
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}
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elseif($line['edate'] <= $this->line_captions_x[$largest]['date'] && $line['edate'] >= $this->line_captions_x[0]['date'])
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{
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for($y=0;$y<$largest;$y++)
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{
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if($line['edate'] == $this->line_captions_x[$y]['date'])
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{
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$x2 = $y * $linespace + $this->margin_left;
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}
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}
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}
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else
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{
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$x2 = $largest * $linespace + $this->margin_left;
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}
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for ($w = -3; $w < 4; $w++)
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{
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$this->img->Line(1+$x1,$y1+$w,$x2,$y2+$w);
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}
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$color_index++;
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$i++;
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}
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// Draw the y axis text
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$this->img->SetColor(0, 0, 0);
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$this->img->SetFont(2);
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$linespace = ($this->graph_height - $this->margin_top - $this->margin_bottom) / ($this->num_lines_y - 1);
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$space = 1;
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for ($i = 0;$i<count($this->data);$i++)
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{
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$y = $this->graph_height - $this->margin_bottom - ($space * $linespace) - 7;
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$this->img->MoveTo($this->margin_left - 6, $y);
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$this->img->DrawText(array('text' => $this->data[$i]['title'],'justification' => 'right','margin_left' => $this->margin_left));
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$space++;
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}
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$this->img->ToBrowser();
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$this->img->Done();
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}
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function Open()
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{
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print('<script language="JavaScript">');
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print('window.open(\'main.php3?menuAction=boGraph.Show&');
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if(strstr($GLOBALS['HTTP_USER_AGENT'],'MSIE'))
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{
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print('DCLINFO=' . $GLOBALS['DCLINFO'] . '&');
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}
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print($this->ToURL() . '\', \'graph\', \'width=' . ($this->graph_width + 20) . ',height=' . ($this->graph_height + 20) . ',resizable=yes,scrollbars=yes\');');
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print('</script>');
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}
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function Show()
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{
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$this->FromURL();
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$this->Render();
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}
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function FromURL()
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{
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$this->title = $GLOBALS['title'];
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$this->caption_x = $GLOBALS['caption_x'];
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$this->caption_y = $GLOBALS['caption_y'];
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$this->num_lines_x = $GLOBALS['num_lines_x'];
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$this->num_lines_y = $GLOBALS['num_lines_y'];
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$this->line_captions_x = explode(',', $GLOBALS['line_captions_x']);
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$dataURL = explode('~', $GLOBALS['data']);
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$this->data = array();
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while (list($junk, $line) = each($dataURL))
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{
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$this->data[] = explode(',', $line);
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}
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$this->colors = explode(',', $GLOBALS['colors']);
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$this->color_legend = explode(',', $GLOBALS['color_legend']);
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$this->graph_width = $GLOBALS['graph_width'];
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$this->graph_height = $GLOBALS['graph_height'];
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$this->margin_top = $GLOBALS['margin_top'];
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$this->margin_left = $GLOBALS['margin_left'];
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$this->margin_bottom = $GLOBALS['margin_bottom'];
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$this->margin_right = $GLOBALS['margin_right'];
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}
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function ToURL()
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{
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$url = 'title=' . rawurlencode($this->title) . '&';
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$url .= 'caption_x=' . rawurlencode($this->caption_x) . '&';
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$url .= 'caption_y=' . rawurlencode($this->caption_y) . '&';
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$url .= 'num_lines_x=' . $this->num_lines_x . '&';
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$url .= 'num_lines_y=' . $this->num_lines_y . '&';
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$url .= 'line_captions_x=' . rawurlencode(implode(',', $this->line_captions_x)) . '&';
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reset($this->data);
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$dataURL = '';
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while(list($junk, $line) = each($this->data))
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{
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if ($dataURL != '')
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{
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$dataURL .= '~';
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}
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$dataURL .= implode(',', $line);
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}
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$url .= 'data=' . $dataURL . '&';
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$url .= 'colors=' . implode(',', $this->colors) . '&';
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$url .= 'color_legend=' . rawurlencode(implode(',', $this->color_legend)) . '&';
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$url .= 'graph_width=' . $this->graph_width . '&';
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$url .= 'graph_height=' . $this->graph_height . '&';
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$url .= 'margin_top=' . $this->margin_top . '&';
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$url .= 'margin_left=' . $this->margin_left . '&';
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$url .= 'margin_bottom=' . $this->margin_bottom . '&';
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$url .= 'margin_right=' . $this->margin_right;
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return $url;
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}
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}
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?>
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