mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-26 00:29:38 +01:00
319 lines
12 KiB
PHP
319 lines
12 KiB
PHP
<?php
|
|
/**************************************************************************\
|
|
* phpGroupWare API - MenuTree *
|
|
* This file based on PHP3 TreeMenu *
|
|
* (c)1999 Bjorge Dijkstra <bjorge@gmx.net> *
|
|
* ------------------------------------------------------------------------ *
|
|
* This is not part of phpGroupWare, but is used by phpGroupWare. *
|
|
* http://www.phpgroupware.org/ *
|
|
* ------------------------------------------------------------------------ *
|
|
* This program is free software; you can redistribute it and/or modify it *
|
|
* under the terms of the GNU General Public License as published by the *
|
|
* Free Software Foundation; either version 2 of the License, or (at your *
|
|
* option) any later version. *
|
|
\**************************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
/*********************************************/
|
|
/* Settings */
|
|
/*********************************************/
|
|
/* */
|
|
/* $treefile variable needs to be set in */
|
|
/* main file */
|
|
/* */
|
|
/*********************************************/
|
|
|
|
class menutree {
|
|
var $read_from_file; // You can send the tree info from a string or file
|
|
var $root_level_value; // This is what the top level name or image will be
|
|
|
|
function menutree()
|
|
{
|
|
$this->read_from_file = True;
|
|
}
|
|
|
|
function showtree($treefile, $expandlevels="", $num_menus = 50, $invisible_menus = Null){
|
|
global $phpgw_info, $phpgw;
|
|
|
|
$script = $SCRIPT_NAME;
|
|
|
|
$img_expand = "templates/default/images/tree_expand.gif";
|
|
$img_collapse = "templates/default/images/tree_collapse.gif";
|
|
$img_line = "templates/default/images/tree_vertline.gif";
|
|
$img_split = "templates/default/images/tree_split.gif";
|
|
$img_end = "templates/default/images/tree_end.gif";
|
|
$img_leaf = "templates/default/images/tree_leaf.gif";
|
|
$img_spc = "templates/default/images/tree_space.gif";
|
|
|
|
/*********************************************/
|
|
/* Read text file with tree structure */
|
|
/*********************************************/
|
|
|
|
/*********************************************/
|
|
/* read file to $tree array */
|
|
/* tree[x][0] -> tree level */
|
|
/* tree[x][1] -> item text */
|
|
/* tree[x][2] -> item link */
|
|
/* tree[x][3] -> link target */
|
|
/* tree[x][4] -> last item in subtree */
|
|
/*********************************************/
|
|
|
|
$maxlevel=0;
|
|
$cnt=0;
|
|
|
|
if ($this->read_from_file) {
|
|
$fd = fopen($treefile, "r");
|
|
if ($fd==0) die("menutree.inc : Unable to open file ".$treefile);
|
|
while ($buffer = fgets($fd, 4096)) {
|
|
$tree[$cnt][0]=strspn($buffer,".");
|
|
$tmp=rtrim(substr($buffer,$tree[$cnt][0]));
|
|
$node=explode("|",$tmp);
|
|
$tree[$cnt][1]=$node[0];
|
|
$tree[$cnt][2]=$node[1];
|
|
$tree[$cnt][3]=$node[2];
|
|
$tree[$cnt][4]=0;
|
|
if ($tree[$cnt][0] > $maxlevel) $maxlevel=$tree[$cnt][0];
|
|
$cnt++;
|
|
}
|
|
fclose($fd);
|
|
} else {
|
|
$ta = explode("\n",$treefile);
|
|
while (list($null,$buffer) = each($ta)) {
|
|
$tree[$cnt][0]=strspn($buffer,".");
|
|
$tmp=rtrim(substr($buffer,$tree[$cnt][0]));
|
|
$node=explode("|",$tmp);
|
|
$tree[$cnt][1]=$node[0];
|
|
$tree[$cnt][2]=$node[1];
|
|
$tree[$cnt][3]=$node[2];
|
|
$tree[$cnt][4]=0;
|
|
if ($tree[$cnt][0] > $maxlevel) $maxlevel=$tree[$cnt][0];
|
|
$cnt++;
|
|
}
|
|
}
|
|
for ($i=0; $i<count($tree); $i++) {
|
|
$expand[$i]=0;
|
|
$visible[$i]=0;
|
|
$levels[$i]=0;
|
|
}
|
|
|
|
/*********************************************/
|
|
/* Get Node numbers to expand */
|
|
/*********************************************/
|
|
|
|
if ($expandlevels!="") $explevels = explode("|",$expandlevels);
|
|
|
|
$i=0;
|
|
while($i<count($explevels)) {
|
|
$expand[$explevels[$i]]=1;
|
|
$i++;
|
|
}
|
|
|
|
/*********************************************/
|
|
/* Find last nodes of subtrees */
|
|
/*********************************************/
|
|
|
|
$lastlevel=$maxlevel;
|
|
for ($i=count($tree)-1; $i>=0; $i--) {
|
|
if ( $tree[$i][0] < $lastlevel ) {
|
|
for ($j=$tree[$i][0]+1; $j <= $maxlevel; $j++) {
|
|
$levels[$j]=0;
|
|
}
|
|
}
|
|
if ( $levels[$tree[$i][0]]==0 ) {
|
|
$levels[$tree[$i][0]]=1;
|
|
$tree[$i][4]=1;
|
|
} else
|
|
$tree[$i][4]=0;
|
|
$lastlevel=$tree[$i][0];
|
|
}
|
|
|
|
|
|
/*********************************************/
|
|
/* Determine visible nodes */
|
|
/*********************************************/
|
|
|
|
|
|
|
|
$visible[0]=1; // root is always visible
|
|
$visible[1]=1; // root is always visible
|
|
$visible[2]=1; // root is always visible
|
|
$visible[3]=0; // root is always visible
|
|
$visible[4]=0; // root is always visible
|
|
$visible[5]=0; // root is always visible
|
|
$visible[6]=0; // root is always visible
|
|
$visible[7]=1; // root is always visible
|
|
$visible[8]=0; // root is always visible
|
|
$visible[9]=0; // root is always visible
|
|
$visible[10]=0; // root is always visible
|
|
$visible[11]=1; // root is always visible
|
|
$visible[12]=0; // root is always visible
|
|
$visible[13]=0; // root is always visible
|
|
$visible[14]=0; // root is always visible
|
|
$visible[15]=0; // root is always visible
|
|
$visible[16]=1; // root is always visible
|
|
$visible[17]=1; // root is always visible
|
|
$visible[18]=1; // root is always visible
|
|
$visible[19]=1; // root is always visible
|
|
$visible[20]=1; // root is always visible
|
|
$visible[21]=0; // root is always visible
|
|
$visible[22]=0; // root is always visible
|
|
$visible[23]=1; // root is always visible
|
|
$visible[24]=0; // root is always visible
|
|
$visible[25]=0; // root is always visible
|
|
$visible[26]=1; // root is always visible
|
|
$visible[27]=0; // root is always visible
|
|
$visible[28]=0; // root is always visible
|
|
|
|
|
|
for ($i=0; $i<count($explevels); $i++) {
|
|
$n=$explevels[$i];
|
|
if ( ($visible[$n]==1) && ($expand[$n]==1) ) {
|
|
$j=$n+1;
|
|
while ( $tree[$j][0] > $tree[$n][0] ) {
|
|
if ($tree[$j][0]==$tree[$n][0]+1) $visible[$j]=1;
|
|
$j++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
for ($i=0; $i<count($explevels); $i++) {
|
|
$n=$explevels[$i];
|
|
if ( ($visible[$n]==1) && ($expand[$n]==1) ) {
|
|
$j=$n+1;
|
|
while ( $tree[$j][0] == $tree[$n][0] + 1 ) {
|
|
$visible[$j]=1;
|
|
$j++;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*********************************************/
|
|
/* Output nicely formatted tree */
|
|
/*********************************************/
|
|
|
|
for ($i=0; $i<$maxlevel; $i++) $levels[$i]=1;
|
|
|
|
$maxlevel++;
|
|
|
|
$cnt=0;
|
|
while ($cnt<count($tree)) {
|
|
if ($visible[$cnt]) {
|
|
/****************************************/
|
|
/* Create expand/collapse parameters */
|
|
/****************************************/
|
|
$i=1; $params="p=";
|
|
while($i<count($expand)) {
|
|
if ( ($expand[$i]==1) && ($cnt!=$i) || ($expand[$i]==0 && $cnt==$i)) {
|
|
$params=$params.$i;
|
|
$params=$params."|";
|
|
}
|
|
$i++;
|
|
}
|
|
|
|
/****************************************/
|
|
/* Always display the extreme top level */
|
|
/****************************************/
|
|
if($cnt==0) {
|
|
$str = "<table cellspacing=0 cellpadding=0 border=0 cols=".($maxlevel+3)." width=".($maxlevel*16+100).">\n";
|
|
$str .= '<a href="' . $phpgw->link("index.php",$params) . '" target="_parent">' . $this->root_level_value . '</a>';
|
|
$str .= "\n<tr>";
|
|
for ($i=0; $i<$maxlevel; $i++) $str .= "<td width=16></td>";
|
|
$str .= "<td width=100></td></tr>\n";
|
|
}
|
|
|
|
/****************************************/
|
|
/* start new row */
|
|
/****************************************/
|
|
$str .= "<tr>";
|
|
|
|
/****************************************/
|
|
/* vertical lines from higher levels */
|
|
/****************************************/
|
|
$i=0;
|
|
while ($i<$tree[$cnt][0]-1) {
|
|
if ($levels[$i]==1)
|
|
$str .= '<td><img src="' . $img_line . '" alt="|"></td>';
|
|
else
|
|
$str .= '<td><img src="' . $img_spc . '" alt=" "></td>';
|
|
$i++;
|
|
}
|
|
|
|
/****************************************/
|
|
/* corner at end of subtree or t-split */
|
|
/****************************************/
|
|
if ($tree[$cnt][4]==1) {
|
|
$str .= '<td><img src="' . $img_end . '" alt="\"></td>';
|
|
$levels[$tree[$cnt][0]-1]=0;
|
|
} else {
|
|
$str .= '<td><img src="' . $img_split . '" alt="|-"></td>';
|
|
$levels[$tree[$cnt][0]-1]=1;
|
|
}
|
|
|
|
/********************************************/
|
|
/* Node (with subtree) or Leaf (no subtree) */
|
|
/********************************************/
|
|
if ($tree[$cnt+1][0]>$tree[$cnt][0]) {
|
|
|
|
if ($expand[$cnt]==0)
|
|
$str .= "<td><a href=\"".$phpgw->link($script,$params)."\"><img src=\"".$img_expand."\" border=no alt=\"+\"></a></td>";
|
|
else
|
|
$str .= "<td><a href=\"".$phpgw->link($script,$params)."\"><img src=\"".$img_collapse."\" border=no alt=\"-\"></a></td>";
|
|
} else {
|
|
/*************************/
|
|
/* Tree Leaf */
|
|
/*************************/
|
|
|
|
$str .= '<td><img src="' . $img_leaf . '" alt="o"></td>';
|
|
}
|
|
|
|
/****************************************/
|
|
/* output item text */
|
|
/****************************************/
|
|
if ($tree[$cnt][2]=="")
|
|
$str .= "<td colspan=".($maxlevel-$tree[$cnt][0]).">".$tree[$cnt][1]."<font face\=\"Arial, Helvetica, san-serif\" size=\"2\"></td>";
|
|
else
|
|
$str .= "<td colspan=".($maxlevel-$tree[$cnt][0])."><font face\=\"Arial, Helvetica, san-serif\" size=\"2\"><a href=\"".$phpgw->link($tree[$cnt][2],$params)."\" target=\"".$tree[$cnt][3]."\">".$tree[$cnt][1]."</a></td>";
|
|
|
|
/****************************************/
|
|
/* end row */
|
|
/****************************************/
|
|
|
|
$str .= "</tr>\n";
|
|
}
|
|
$cnt++;
|
|
}
|
|
$str .= "</table>\n";
|
|
|
|
return $str;
|
|
|
|
/***************************************************/
|
|
/* Tree file format */
|
|
/* */
|
|
/* */
|
|
/* The first line is always of format : */
|
|
/* .[rootname] */
|
|
/* */
|
|
/* each line contains one item, the line starts */
|
|
/* with a series of dots(.). Each dot is one level */
|
|
/* deeper. Only one level at a time once is allowed*/
|
|
/* Next comes the come the item name, link and */
|
|
/* link target, seperated by a |. */
|
|
/* */
|
|
/* example: */
|
|
/* */
|
|
/* .top */
|
|
/* ..category 1 */
|
|
/* ...item 1.1|item11.htm|main */
|
|
/* ...item 2.2|item12.htm|main */
|
|
/* ..category 2|cat2overview.htm|main */
|
|
/* ...item 2.1|item21.htm|main */
|
|
/* ...item 2.2|item22.htm|main */
|
|
/* ...item 2.3|item23.htm|main */
|
|
/* */
|
|
/***************************************************/
|
|
}
|
|
}
|