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| Code | ||||||||||
<SCRIPT language="php"> /* ####################################################################### # # $Id: HTML_Graphs.php3,v 1.5 1998/11/05 06:15:52 pdavis Exp pdavis $ # # $Author: pdavis $ # $Locker: pdavis $ # # $Date: 1998/11/05 06:15:52 $ # # $Source: C:\\My\040Documents\\RCS\\H\\Webguys\\pdavis\\Programs\\html_graphs\\HTML_Graphs.php3,v $ # $Revision: 1.5 $ # $State: Exp $ # # $Log: HTML_Graphs.php3,v $ # Revision 1.5 1998/11/05 06:15:52 pdavis # Added error_reporting setting per Jean-Pierre Arneodo's request. # (Though redundant) Added html_graph_init() to initialize vars array. # # Revision 1.4 1998/07/08 05:24:25 pdavis # Add double_vertical_graph from Jan Diepens. # Added "max" function to find $largest in examples page. # Added code to increase values of zero to one. # Added double_vertical_graph example # Combined all source into one zip. # # Revision 1.3 1998/06/17 23:37:19 pdavis # Added mixed color codes and images to double graph. # # Revision 1.2 1998/06/17 21:20:20 pdavis # Fixed Background problem, added mixed color codes and graphics. # # Revision 1.1 1998/06/17 15:52:41 pdavis # Initial revision # # ####################################################################### # # * # * Phil Davis # * # * Smyrna, Tennessee 37167 USA # * # * pdavis@pobox.com # * http://www.pobox.com/~pdavis/ # * # # (C) Copyright 1998 # Phil Davis # Printed in the United States of America # # This program is free software; you can redistribute it # and/or modify it under the terms of the GNU General # Public License version 2 as published by the Free # Software Foundation. # # This program is distributed in the hope that it will # be useful, but WITHOUT ANY WARRANTY; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. See the GNU General Public License # for more details. # # Released under GNU Public License v2.0, available # at www.fsf.org. The author hereby disclaims all # warranties relating to this software, express or implied, # including with no limitation any implied warranties of # merchantability, quality performance, or fitness for a # particular purpose. The author and their distributors # shall not be liable for any special, incidental, # consequential, indirect or similar damages due to loss # of data, even if an agent of the author has been found # to be the source of loss or damage. In no event shall the # author's liability for any damages ever exceed the price # paid for the license to use software, regardless of the # form of the claim. The person using the software bears all # risk as to the quality and performance of the software. # # Swim at your own risk! # # This software program, documentation, accompanying # written and disk-based notes and specifications, and all # referenced and related program files, screen display # renditions, and text files, are the property of the # author. # # The authors have done their best to insure that the # material found in this document is both useful and # accurate. However, please be aware that errors may exist, # the author does not make any guarantee concerning the # accuracy of the information found here or in the uses # to which it may be put. # ####################################################################### # # About: # # The following PHP3 code provides a nice class interface for # html graphs. It provides a single, reasonably consistent # interface for creating HTML based graphs. The idea behind # this code is that the user of the class sets up four or five # arrays and pass these to html_graph() which then takes # care of all the messy HTML layout. I am reasonably happy # with the outcome of this interface. The HTML that must be # generated for HTML graphs *is* messy, and the interface is # very clean and flexible. I think that once you generate # one graph with it, you'll never look at creating HTML graphs # the same. The arrays that must be set up consist of: # # * A names array containing column/row identifiers ($names) # * One or two values arrays containg corresponding # values to the column/row names ($values & $dvalues) # * One or two bars array which also corresponds to the names # array. The values in these arrays are URLS to graphics # or color codes starting with a # which will be used to # generate the graph bar. Color codes and graphics may # be mixed in the same chart, although color codes can't # be used on Vertical charts. ($bars & $dbars) # * The heart of customization... a vals array. If this # array isn't created then html_graphs will use all # default values for the chart. Items that are customizable # include font styles & colors, backgrounds, graphics, # labels, cellspacing, cellpadding, borders, anotations # and scaling factor. ($vals) # ####################################################################### # # Known Bugs: # # * Currently the $vals["background"] tag element doesn't # work in Netscape. # ####################################################################### # # To Do: # # * Would like to make the $vals array to html_graph() completely # optional. Currently it has to at least be an empty array. # ####################################################################### # # Contributors: # # Jan Diepens - Eindhoven University of Technologie # Jean-Pierre Arneodo # ####################################################################### # # Contact: # # If you have questions, suggestions, bugs, bug fixes, or enhancements # please send them to pdavis@pobox.com so that they may be wrapped into # future versions of HTML_Graph. # ####################################################################### # # Examples: # # See http://www.pobox.com/~pdavis/programs/ # ####################################################################### */ /* ####################################################################### # # Function: html_graph($names, $values, $bars, $vals[, $dvalues, $dbars]) # # Purpose: Calls routines to initialize defaults, set up table # print data, and close table. # # Arguments: # $names - Array of element names. # $values - Array of corresponding values for elements. # $bars - Array of corresponding graphic image names # or color codes (begining with a #) for elements. # Color codes can't be used on vertical charts. # $dvalues - Array of corresponding values for elements. # This set is required only in the double graph. # $dbars - Array of corresponding graphic image names # or color codes (begining with a #) for elements. # This set is required only in the double graph. # # $vals - array("vlabel"=>"", # "hlabel"=>"", # "type"=>"", # "cellpadding"=>"", # "cellspacing"=>"", # "border"=>"", # "width"=>"", # "background"=>"", # "vfcolor"=>"", # "hfcolor"=>"", # "vbgcolor"=>"", # "hbgcolor"=>"", # "vfstyle"=>"", # "hfstyle"=>"", # "noshowvals"=>"", # "scale"=>"", # "namebgcolor"=>"", # "valuebgcolor"=>"", # "namefcolor"=>"", # "valuefcolor"=>"", # "namefstyle"=>"", # "valuefstyle"=>"", # "doublefcolor"=>"") # # Where: # # vlabel - Vertical Label to apply # default is NUL # hlabel - Horizontal Label to apply # default is NUL # type - Type of graph # 0 = horizontal # 1 = vertical # 2 = double horizontal # 3 = double vertical # default is 0 # cellpadding - Padding for the overall table # default is 0 # cellspacing - Space for the overall table # default is 0 # border - Border size for the overall table # default is 0 # width - Width of the overall table # default is NUL # background - Background image for the overall table # If this value exists then no BGCOLOR # codes will be added to table elements. # default is NUL # vfcolor - Vertical label font color # default is #000000 # hfcolor - Horizontal label font color # default is #000000 # vbgcolor - Vertical label background color # Not used if background is set # default is #FFFFFF # hbgcolor - Horizontal label background color # Not used if background is set # default is #FFFFFF # vfstyle - Vertical label font style # default is NUL # hfstyle - Horizontal label font style # default is NUL # noshowvals - Don't show numeric value at end of graphic # Boolean value, default is FALSE # scale - Scale values by some number. # default is 1. # namebgcolor - Color code for element name cells # Not used if background is set # default is "#000000" # valuebgcolor - Color code for value cells # Not used if background is set # default is "#000000" # namefcolor - Color code for font of name element # default is "#FFFFFF" # valuefcolor - Color code for font of value element # default is "#000000" # namefstyle - Style code for font of name element # default is NUL # valuefstyle - Style code for font of value element # default is NUL # doublefcolor - Color code for font of second element value # default is "#886666" # ####################################################################### */ function html_graph($names, $values, $bars, $vals, $dvalues=0, $dbars=0) { // Set the error level on entry and exit so as not to interfear // with anyone elses error checking. $er = error_reporting(1); // Set the values that the user didn't $vals = hv_graph_defaults($vals); start_graph($vals, $names); if ($vals[ "type"] == 0) { horizontal_graph($names, $values, $bars, $vals); } elseif ($vals[ "type"] == 1) { vertical_graph($names, $values, $bars, $vals); } elseif ($vals[ "type"] == 2) { double_horizontal_graph($names, $values, $bars, $vals, $dvalues, $dbars); } elseif ($vals[ "type"] == 3) { double_vertical_graph($names, $values, $bars, $vals, $dvalues, $dbars); } end_graph(); // Set the error level back to where it was. error_reporting($er); } /* ####################################################################### # # Function: html_graph_init() # # Purpose: Sets up the $vals array by initializing all values to # null. Used to avoid warnings from error_reporting being # set high. This routine only needs to be called if you # are woried about using uninitialized variables. # # Returns: The initialized $vals array # ####################################################################### */ function html_graph_init() { $vals = array( "vlabel"=> "", "hlabel"=> "", "type"=> "", "cellpadding"=> "", "cellspacing"=> "", "border"=> "", "width"=> "", "background"=> "", "vfcolor"=> "", "hfcolor"=> "", "vbgcolor"=> "", "hbgcolor"=> "", "vfstyle"=> "", "hfstyle"=> "", "noshowvals"=> "", "scale"=> "", "namebgcolor"=> "", "valuebgcolor"=> "", "namefcolor"=> "", "valuefcolor"=> "", "namefstyle"=> "", "valuefstyle"=> "", "doublefcolor"=> ""); return($vals); } /* ####################################################################### # # Function: start_graph($vals, $names) # # Purpose: Prints out the table header and graph labels. # ####################################################################### */ function start_graph($vals, $names) { print '<TABLE'; print ' CELLPADDING="' . $vals[ "cellpadding"] . '"'; print ' CELLSPACING="' . $vals[ "cellspacing"] . '"'; print ' BORDER="' . $vals[ "border"] . '"'; if ($vals[ "width"] != 0) { print ' WIDTH="' . $vals[ "width"] . '"'; } if ($vals[ "background"]) { print ' BACKGROUND="' . $vals[ "background"] . '"'; } print '>'; if (($vals[ "vlabel"]) || ($vals[ "hlabel"])) { if (($vals[ "type"] == 0) || ($vals[ "type"] == 2 )) // horizontal chart { $rowspan = SizeOf($names) + 1; $colspan = 3; } elseif ($vals[ "type"] == 1 || ($vals[ "type"] == 3 )) // vertical chart { $rowspan = 3; $colspan = SizeOf($names) + 1; } print '<TR><TD ALIGN=CENTER VALIGN="CENTER" '; // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print 'BGCOLOR="' . $vals[ "hbgcolor"] . '"'; } print ' COLSPAN="' . $colspan . '">'; print '<FONT COLOR="' . $vals[ "hfcolor"] . '" STYLE="' . $vals[ "hfstyle"] . '">'; print "<B>" . $vals[ "hlabel"] . "</B>"; print '</FONT></TD></TR>'; print '<TR><TD ALIGN="CENTER" VALIGN="CENTER" '; // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print 'BGCOLOR="' . $vals[ "vbgcolor"] . '"'; } print ' ROWSPAN="' . $rowspan . '">'; print '<FONT COLOR="' . $vals[ "vfcolor"] . '" STYLE="' . $vals[ "vfstyle"] . '">'; print "<B>" . $vals[ "vlabel"] . "</B>"; print '</FONT></TD>'; } } /* ####################################################################### # # Function: end_graph() # # Purpose: Prints out the table footer. # ####################################################################### */ function end_graph() { print "</TABLE>"; } /* ####################################################################### # # Function: hv_graph_defaults($vals) # # Purpose: Sets the default values for the $vals array # ####################################################################### */ function hv_graph_defaults($vals) { if (! $vals[ "vfcolor"]) { $vals[ "vfcolor"]= "#000000"; } if (! $vals[ "hfcolor"]) { $vals[ "hfcolor"]= "#000000"; } if (! $vals[ "vbgcolor"]) { $vals[ "vbgcolor"]= "#FFFFFF"; } if (! $vals[ "hbgcolor"]) { $vals[ "hbgcolor"]= "#FFFFFF"; } if (! $vals[ "cellpadding"]) { $vals[ "cellpadding"]=0; } if (! $vals[ "cellspacing"]) { $vals[ "cellspacing"]=0; } if (! $vals[ "border"]) { $vals[ "border"]=0; } if (! $vals[ "scale"]) { $vals[ "scale"]=1; } if (! $vals[ "namebgcolor"]) { $vals[ "namebgcolor"]= "#FFFFFF"; } if (! $vals[ "valuebgcolor"]) { $vals[ "valuebgcolor"]= "#FFFFFF"; } if (! $vals[ "namefcolor"]) { $vals[ "namefcolor"]= "#000000"; } if (! $vals[ "valuefcolor"]) { $vals[ "valuefcolor"]= "#000000"; } if (! $vals[ "doublefcolor"]) { $vals[ "doublefcolor"]= "#886666"; } return ($vals); } /* ####################################################################### # # Function: horizontal_graph($names, $values, $bars, $vals) # # Purpose: Prints out the actual data for the horizontal chart. # ####################################################################### */ function horizontal_graph($names, $values, $bars, $vals) { for( $i=0;$i<SizeOf($values);$i++ ) { ?> <TR> <TD ALIGN=RIGHT <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "namebgcolor"] . '"'; } ?> > <FONT SIZE="-1" COLOR=" <? echo $vals[ "namefcolor"] ?>" STYLE=" <? echo $vals [ "namefstyle"] ?>"> <? echo $names[$i] ?> </FONT> </TD> <TD ALIGN=LEFT <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "valuebgcolor"] . '"'; } ?> > <? // Decide if the value in bar is a color code or image. if (ereg( "^#", $bars[$i])) { ?> <TABLE ALIGN="LEFT" CELLPADDING=0 CELLSPACING=0 BGCOLOR=" <? echo $bars[$i] ?>" WIDTH=" <? echo $values[$i] * $vals[ "scale"] ?>"> <TR><TD>?</TD></TR> </TABLE> <? } else { print '<IMG SRC="' . $bars[$i] . '"'; print ' HEIGHT=10 WIDTH="' . $values[$i] * $vals[ "scale"] . '">'; } if (! $vals[ "noshowvals"]) { print '<I><FONT SIZE="-2" COLOR="' . $vals[ "valuefcolor"] . '" '; print ' STYLE="' . $vals[ "valuefstyle"] . '">('; print $values[$i] . ")</FONT></I>"; } ?> </TD> </TR> <? } // endfor } // end horizontal_graph /* ####################################################################### # # Function: vertical_graph($names, $values, $bars, $vals) # # Purpose: Prints out the actual data for the vertical chart. # ####################################################################### */ function vertical_graph($names, $values, $bars, $vals) { print "<TR>"; for( $i=0;$i<SizeOf($values);$i++ ) { print '<TD ALIGN="CENTER" VALIGN="BOTTOM" '; // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "valuebgcolor"] . '"'; } print ">"; if (! $vals[ "noshowvals"]) { print '<I><FONT SIZE="-2" COLOR="' . $vals[ "valuefcolor"] . '" '; print ' STYLE="' . $vals[ "valuefstyle"] . '">('; print $values[$i] . ")</FONT></I><BR>"; } ?> <IMG SRC=" <? echo $bars[$i] ?>" WIDTH=5 HEIGHT=" <? // Values of zero are displayed wrong because a image height of zero // gives a strange behavior in Netscape. For this reason the height // is set at 1 pixel if the value is zero. - Jan Diepens if ($values[$i] != 0) { echo $values[$i] * $vals[ "scale"]; } else { echo "1"; } ?>"> </TD> <? } // endfor print "</TR><TR>"; for( $i=0;$i<SizeOf($values);$i++ ) { ?> <TD ALIGN="CENTER" VALIGN="TOP" <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "namebgcolor"] . '"'; } ?> > <FONT SIZE="-1" COLOR=" <? echo $vals[ "namefcolor"] ?>" STYLE=" <? echo $vals [ "namefstyle"] ?>"> <? echo $names[$i] ?> </FONT> </TD> <? } // endfor } // end vertical_graph /* ####################################################################### # # Function: double_horizontal_graph($names, $values, $bars, # $vals, $dvalues, $dbars) # # Purpose: Prints out the actual data for the double horizontal chart. # ####################################################################### */ function double_horizontal_graph($names, $values, $bars, $vals, $dvalues, $dbars) { for( $i=0;$i<SizeOf($values);$i++ ) { ?> <TR> <TD ALIGN=RIGHT <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "namebgcolor"] . '"'; } ?> > <FONT SIZE="-1" COLOR=" <? echo $vals[ "namefcolor"] ?>" STYLE=" <? echo $vals [ "namefstyle"] ?>"> <? echo $names[$i] ?> </FONT> </TD> <TD ALIGN=LEFT <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "valuebgcolor"] . '"'; } ?> > <TABLE ALIGN="LEFT" CELLPADDING=0 CELLSPACING=0 WIDTH=" <? echo $dvalues[$i] * $vals [ "scale"] ?>"> <TR><TD <? // Set background to a color if it starts with # or // an image otherwise. if (ereg( "^#", $dbars[$i])) { print 'BGCOLOR="' . $dbars[$i] . '">'; } else { print 'BACKGROUND="' . $dbars[$i] . '">'; } ?> <NOWRAP> <? // Decide if the value in bar is a color code or image. if (ereg( "^#", $bars[$i])) { ?> <TABLE ALIGN="LEFT" CELLPADDING=0 CELLSPACING=0 BGCOLOR=" <? echo $bars[$i] ?>" WIDTH=" <? echo $values[$i] * $vals[ "scale"] ?>"> <TR><TD>?</TD></TR> </TABLE> <? } else { print '<IMG SRC="' . $bars[$i] . '"'; print ' HEIGHT=10 WIDTH="' . $values[$i] * $vals[ "scale"] . '">'; } if (! $vals[ "noshowvals"]) { print '<I><FONT SIZE="-3" COLOR="' . $vals[ "valuefcolor"] . '" '; print ' STYLE="' . $vals[ "valuefstyle"] . '">('; print $values[$i] . ")</FONT></I>"; } ?> </NOWRAP> </TD></TR> </TABLE> <? if (! $vals[ "noshowvals"]) { print '<I><FONT SIZE="-3" COLOR="' . $vals[ "doublefcolor"] . '" '; print ' STYLE="' . $vals[ "valuefstyle"] . '">('; print $dvalues[$i] . ")</FONT></I>"; } ?> </TD> </TR> <? } // endfor } // end double_horizontal_graph /* ####################################################################### # # Function: double_vertical_graph($names, $values, $bars, $vals, $dvalues, $dbars) # # Purpose: Prints out the actual data for the double vertical chart. # # Author: Jan Diepens # ####################################################################### */ function double_vertical_graph($names, $values, $bars, $vals, $dvalues, $dbars) { // print "<TR>"; for( $i=0;$i<SizeOf($values);$i++ ) { print '<TD ALIGN="CENTER" VALIGN="BOTTOM" '; // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "valuebgcolor"] . '"'; } print ">"; print '<TABLE><TR><TD ALIGN="CENTER" VALIGN="BOTTOM" '; // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "valuebgcolor"] . '"'; } print ">"; if (! $vals[ "noshowvals"]) { print '<I><FONT SIZE="-2" COLOR="' . $vals[ "valuefcolor"] . '" '; print ' STYLE="' . $vals[ "valuefstyle"] . '">('; print $values[$i] . ")</FONT></I><BR>"; } ?> <IMG SRC=" <? echo $bars[$i] ?>" WIDTH=10 HEIGHT=" <? if ($values[$i]!=0){ echo $values[$i] * $vals[ "scale"]; } else { echo "1";} ?>"> </TD><TD ALIGN="CENTER" VALIGN="BOTTOM" <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "valuebgcolor"] . '"'; } print ">"; if (! $vals[ "noshowvals"]) { print '<I><FONT SIZE="-2" COLOR="' . $vals[ "doublefcolor"] . '" '; print ' STYLE="' . $vals[ "valuefstyle"] . '">('; print $dvalues[$i] . ")</FONT></I><BR>"; } ?> <IMG SRC=" <? echo $dbars[$i] ?>" WIDTH=10 HEIGHT=" <? if ($dvalues[$i]!=0){ echo $dvalues[$i] * $vals[ "scale"]; } else { echo "1";} ?>"> </TD></TR></TABLE> </TD> <? } // endfor print "</TR><TR>"; for( $i=0;$i<SizeOf($values);$i++ ) { ?> <TD ALIGN="CENTER" VALIGN="TOP" <? // If a background was choosen don't print cell BGCOLOR if (! $vals[ "background"]) { print ' BGCOLOR="' . $vals[ "namebgcolor"] . '"'; } ?> > <FONT SIZE="-1" COLOR=" <? echo $vals[ "namefcolor"] ?>" STYLE=" <? echo $vals [ "namefstyle"] ?>"> <? echo $names[$i] ?> </FONT> </TD> <? } // endfor } // end double_vertical_graph print "</TR>"; </SCRIPT> | ||||||||||
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