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source: trunk/phpgwapi/inc/class.gdgraph.inc.php @ 2

Revision 2, 12.7 KB checked in by niltonneto, 17 years ago (diff)
Removida todas as tags usadas pelo CVS ($Id, $Source). Primeira versão no CVS externo.
Property svn:eol-style set to `native` Property svn:executable set to ``*

Line
1	<?php
2	/*******************************************************************\
3	* eGroupWare - GD Graph *
4	* http://www.egroupware.org *
5	* This program is part of the GNU project, see http://www.gnu.org/ *
6	* *
7	* Written by Bettina Gille [ceb@phpgroupware.org] *
8	* *
9	* Creates graphical statistics using GD graphics library *
10	* Copyright (C) 2003 Free Software Foundation, Inc *
11	* ----------------------------------------------------------------- *
12	* This class based on boGraph.php3 *
13	* Double Choco Latte - Source Configuration Management System *
14	* Copyright (C) 1999 Michael L. Dean & Tim R. Norman *
15	* ----------------------------------------------------------------- *
16	* This library is part of the eGroupWare API *
17	* ----------------------------------------------------------------- *
18	* This library is free software; you can redistribute it and/or *
19	* modify it under the terms of the GNU General Public License as *
20	* published by the Free Software Foundation; either version 2 of *
21	* the License, or (at your option) any later version. *
22	* *
23	* This program is distributed in the hope that it will be useful, *
24	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
25	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
26	* General Public License for more details. *
27	* *
28	* You should have received a copy of the GNU General Public License *
29	* along with this program; if not, write to the Free Software *
30	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
31	\*******************************************************************/
32
33	class gdgraph
34	{
35	var $debug;
36	var $title;
37	var $caption_x;
38	var $caption_y;
39	var $lines_x;
40	var $lines_y;
41	var $line_captions_x;
42	var $data;
43	var $colors;
44	var $color_legend;
45	var $graph_width;
46	var $graph_height;
47	var $margin_top;
48	var $margin_left;
49	var $margin_bottom;
50	var $margin_right;
51	var $img;
52
53	function gdgraph($debug = False)
54	{
55	$this->debug = $debug;
56
57	$this->title = 'Gantt Chart';
58
59	$this->caption_x = 'x';
60	$this->caption_y = 'y';
61
62	$this->num_lines_x = 30;
63	$this->num_lines_y = 10;
64
65	$this->line_captions_x = array();
66	$this->line_captions_y = array();
67
68	$this->data = array();
69
70	$this->colors = array('red','green','blue','bright red','bright green','bright blue','dark red','dark green','dark blue');
71	$this->color_legend = array();
72	$this->color_extra = 'yellow';
73
74	$this->graph_width = 800;
75	$this->graph_height = 400;
76
77	$this->margin_top = 20;
78	$this->margin_left = 80;
79	$this->margin_bottom = 40;
80	$this->margin_right = 20;
81
82	$this->img = CreateObject('phpgwapi.gdimage');
83	$this->temp_file = $this->img->temp_file;
84	}
85
86	function rRender()
87	{
88	// Initialize image - map white since it's our background
89	$this->img->width = $this->graph_width;
90	$this->img->height = $this->graph_height;
91	$this->img->Init();
92	$this->img->SetColor(255, 255, 0);
93	$this->img->ToBrowser();
94	$this->img->Done();
95	}
96
97	function Render()
98	{
99	// Initialize image - map white since it's our background
100	$this->img->width = $this->graph_width;
101	$this->img->height = $this->graph_height;
102	$this->img->Init();
103	$this->img->SetColor(255, 255, 255, True);
104
105	// Draw the captions
106	$this->img->SetFont(3);
107	$this->img->SetColor(0, 0, 0);
108	$this->img->MoveTo($this->graph_width / 2, 2);
109	$this->img->DrawText(array('text' => $this->title));
110	//$this->img->MoveTo(2, $this->graph_height / 2);
111	//$this->img->DrawText($this->caption_y, 'up', 'center');
112	//$this->img->MoveTo($this->graph_width / 2, $this->graph_height - $this->img->GetFontHeight() - 2);
113	//$this->img->DrawText($this->caption_x, '', 'center');
114
115	// Draw the two axis
116	$this->img->Line($this->margin_left, $this->margin_top, $this->margin_left, $this->graph_height - $this->margin_bottom + 4);
117	$this->img->Line($this->margin_left - 4, $this->graph_height - $this->margin_bottom, $this->graph_width - $this->margin_right, $this->graph_height - $this->margin_bottom);
118
119	// Draw dashed lines for x axis
120	$linespace = ($this->graph_width - $this->margin_left - $this->margin_right) / ($this->num_lines_x - 1);
121	for ($i = 1; $i < $this->num_lines_x; $i++)
122	{
123	$x = $i * $linespace + $this->margin_left;
124	$this->img->SetColor(0, 0, 0);
125	$this->img->Line($x, $this->graph_height - $this->margin_bottom - 4, $x, $this->graph_height - $this->margin_bottom + 4);
126	$this->img->SetColor(200, 200, 200);
127	$this->img->Line($x, $this->margin_top, $x, $this->graph_height - $this->margin_bottom - 4, 'dashed');
128	}
129
130	// Draw dashed lines for y axis
131	$linespace = ($this->graph_height - $this->margin_top - $this->margin_bottom) / ($this->num_lines_y - 1);
132	for ($i = 1; $i < $this->num_lines_y; $i++)
133	{
134	$y = $this->graph_height - $this->margin_bottom - ($i * $linespace);
135	$this->img->SetColor(0, 0, 0);
136	$this->img->Line($this->margin_left - 4, $y, $this->margin_left + 4, $y);
137	$this->img->SetColor(200, 200, 200);
138	$this->img->Line($this->margin_left + 4, $y, $this->graph_width - $this->margin_right, $y, 'dashed');
139	}
140
141	/* Find the largest numeric value in data (an array of arrays representing data)
142	$largest = 0;
143	reset($this->data);
144	while (list($junk, $line) = each($this->data))
145	{
146	reset($line);
147	while (list($junk2, $value) = each($line))
148	{
149	if ($value > $largest)
150	{
151	$largest = $value;
152	}
153	}
154	}
155
156	while ($largest < ($this->num_lines_y - 1))
157	{
158	$largest = ($this->num_lines_y - 1);
159	}
160
161	$spread = ceil($largest / ($this->num_lines_y - 1));
162	$largest = $spread * ($this->num_lines_y - 1);*/
163
164	$largest = $this->num_lines_x;
165
166	// Draw the x axis text
167	$this->img->SetColor(0, 0, 0);
168	$this->img->SetFont(2);
169	$linespace = ($this->graph_width - $this->margin_left - $this->margin_right) / ($this->num_lines_x - 1);
170	reset($this->line_captions_x);
171	$i = 0;
172	while (list(,$text) = each($this->line_captions_x))
173	{
174	$this->img->MoveTo($i * $linespace + $this->margin_left, $this->graph_height - $this->margin_bottom + 8);
175	$this->img->DrawText(array('text' => $text['date_formatted']));
176	$i++;
177	}
178
179	// Draw the lines for the data
180
181	$this->img->SetColor(255, 0, 0);
182	reset($this->data);
183
184	if($this->debug)
185	{
186	_debug_array($this->data);
187	}
188
189	$i = 1;
190	while (is_array($this->data) && list(,$line) = each($this->data))
191	{
192	if($line['extracolor'])
193	{
194	$this->img->SetColorByName($line['extracolor']);
195	}
196	else
197	{
198	$this->img->SetColorByName($this->colors[$line['color']]);
199	}
200
201	$x1 = $x2 = $y1 = $y2 = 0;
202
203	$linespace = ($this->graph_height - $this->margin_top - $this->margin_bottom) / ($this->num_lines_y - 1);
204	$y1 = $y2 = $this->graph_height - $this->margin_bottom - ($i * $linespace);
205
206	$linespace = ($this->graph_width - $this->margin_left - $this->margin_right) / ($this->num_lines_x - 1);
207
208	if ($line['sdate'] <= $this->line_captions_x[0]['date'] && $line['edate'] > $this->line_captions_x[0]['date'])
209	{
210	if($this->debug)
211	{
212	echo 'PRO sdate <= x sdate \| PRO edate > x sdate<br>';
213	}
214	$x1 = $this->margin_left;
215	}
216	elseif($line['sdate'] >= $this->line_captions_x[0]['date'] && $line['edate'] <= $this->line_captions_x[$largest]['date'])
217	{
218	if($this->debug)
219	{
220	echo 'PRO sdate >= date! pro_sdate = ' . $line['sdate'] . ', pro_edate = ' . $line['edate'] . '<br>';
221	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>';
222	echo 'x sdate: ' . $this->line_captions_x[0]['date'] . ', x edate: ' . $this->line_captions_x[$largest]['date'] . '<br><br>';
223	}
224
225	for($y=0;$y<$largest;$y++)
226	{
227	if($line['sdate'] == $this->line_captions_x[$y]['date'])
228	{
229	$x1 = $y * $linespace + $this->margin_left;
230	}
231	}
232	}
233	else
234	{
235	$x1 = $largest * $linespace + $this->margin_left;
236	}
237
238	if ($line['edate'] >= $this->line_captions_x[$largest]['date'])
239	{
240	if($this->debug)
241	{
242	echo 'PRO edate >= x edate! pro_edate = ' . $line['edate'] . '<br>';
243	echo 'PRO edate >= x edate! pro_edate_formatted = ' . $GLOBALS['phpgw']->common->show_date($line['edate'],$GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat']) . '<br>';
244	echo 'x edate: ' . $this->line_captions_x[$largest]['date'] . '<br>';
245	}
246
247	$x2 = $this->graph_width - $this->margin_right;
248	}
249	elseif($line['edate'] <= $this->line_captions_x[$largest]['date'] && $line['edate'] >= $this->line_captions_x[0]['date'])
250	{
251	for($y=0;$y<$largest;$y++)
252	{
253	if($line['edate'] == $this->line_captions_x[$y]['date'])
254	{
255	$x2 = $y * $linespace + $this->margin_left;
256	}
257	}
258	}
259	else
260	{
261	$x2 = $largest * $linespace + $this->margin_left;
262	}
263
264	for ($w = -3; $w < 4; $w++)
265	{
266	$this->img->Line(1+$x1,$y1+$w,$x2,$y2+$w);
267	}
268	$color_index++;
269	$i++;
270	}
271	// Draw the y axis text
272	$this->img->SetColor(0, 0, 0);
273	$this->img->SetFont(2);
274	$linespace = ($this->graph_height - $this->margin_top - $this->margin_bottom) / ($this->num_lines_y - 1);
275	$space = 1;
276	for ($i = 0;$i<count($this->data);$i++)
277	{
278	$y = $this->graph_height - $this->margin_bottom - ($space * $linespace) - 7;
279	$this->img->MoveTo($this->margin_left - 6, $y);
280	$this->img->DrawText(array('text' => $this->data[$i]['title'],'justification' => 'right','margin_left' => $this->margin_left));
281	$space++;
282	}
283
284	$this->img->ToBrowser();
285	$this->img->Done();
286	}
287
288	function Open()
289	{
290	print('<script language="JavaScript">');
291	print('window.open(\'main.php3?menuAction=boGraph.Show&');
292	if(strstr($GLOBALS['HTTP_USER_AGENT'],'MSIE'))
293	{
294	print('DCLINFO=' . $GLOBALS['DCLINFO'] . '&');
295	}
296	print($this->ToURL() . '\', \'graph\', \'width=' . ($this->graph_width + 20) . ',height=' . ($this->graph_height + 20) . ',resizable=yes,scrollbars=yes\');');
297	print('</script>');
298	}
299
300	function Show()
301	{
302	$this->FromURL();
303	$this->Render();
304	}
305
306	function FromURL()
307	{
308	$this->title = $GLOBALS['title'];
309	$this->caption_x = $GLOBALS['caption_x'];
310	$this->caption_y = $GLOBALS['caption_y'];
311	$this->num_lines_x = $GLOBALS['num_lines_x'];
312	$this->num_lines_y = $GLOBALS['num_lines_y'];
313	$this->line_captions_x = explode(',', $GLOBALS['line_captions_x']);
314
315	$dataURL = explode('~', $GLOBALS['data']);
316	$this->data = array();
317	while (list($junk, $line) = each($dataURL))
318	{
319	$this->data[] = explode(',', $line);
320	}
321
322	$this->colors = explode(',', $GLOBALS['colors']);
323	$this->color_legend = explode(',', $GLOBALS['color_legend']);
324	$this->graph_width = $GLOBALS['graph_width'];
325	$this->graph_height = $GLOBALS['graph_height'];
326	$this->margin_top = $GLOBALS['margin_top'];
327	$this->margin_left = $GLOBALS['margin_left'];
328	$this->margin_bottom = $GLOBALS['margin_bottom'];
329	$this->margin_right = $GLOBALS['margin_right'];
330	}
331
332	function ToURL()
333	{
334	$url = 'title=' . rawurlencode($this->title) . '&';
335	$url .= 'caption_x=' . rawurlencode($this->caption_x) . '&';
336	$url .= 'caption_y=' . rawurlencode($this->caption_y) . '&';
337	$url .= 'num_lines_x=' . $this->num_lines_x . '&';
338	$url .= 'num_lines_y=' . $this->num_lines_y . '&';
339	$url .= 'line_captions_x=' . rawurlencode(implode(',', $this->line_captions_x)) . '&';
340	reset($this->data);
341	$dataURL = '';
342	while(list($junk, $line) = each($this->data))
343	{
344	if ($dataURL != '')
345	{
346	$dataURL .= '~';
347	}
348	$dataURL .= implode(',', $line);
349	}
350	$url .= 'data=' . $dataURL . '&';
351	$url .= 'colors=' . implode(',', $this->colors) . '&';
352	$url .= 'color_legend=' . rawurlencode(implode(',', $this->color_legend)) . '&';
353	$url .= 'graph_width=' . $this->graph_width . '&';
354	$url .= 'graph_height=' . $this->graph_height . '&';
355	$url .= 'margin_top=' . $this->margin_top . '&';
356	$url .= 'margin_left=' . $this->margin_left . '&';
357	$url .= 'margin_bottom=' . $this->margin_bottom . '&';
358	$url .= 'margin_right=' . $this->margin_right;
359
360	return $url;
361	}
362	}
363	?>

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