egroupware_official/phpgwapi/inc/class.matrixview.inc.php

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<?php
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/**************************************************************************\
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* eGroupWare API - Matrix View Generator *
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* This file written by Marc Logemann <loge@phpgroupware.org> *
* class for creating matrix like timeframes for items *
* *
* this matrix is having the days of actual month in the x-axis and the *
* items, which could be projects, in the y-axis. *
* You will see a top-down view of all items and their associated *
* timeframes. You probably saw this in projectmanagement apps *
* *
* Copyright (C) 2000, 2001 Marc Logemann *
* -------------------------------------------------------------------------*
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* This library is part of the eGroupWare API *
* http://www.egroupware.org/api *
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* ------------------------------------------------------------------------ *
* This library is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as published by *
* the Free Software Foundation; either version 2.1 of the License, *
* or any later version. *
* This library 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 Lesser General Public License for more details. *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
\**************************************************************************/
/* $Id$ */
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class matrixview
{
var $sumdays = 0;
var $month = 0;
var $monthname = '';
var $year = 0;
var $day = 0;
var $items_content = array();
var $items_count = 0;
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var $arr_second_dim = 0;
var $image1pix = 'images/pix.gif';
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var $color_headerfield = '#FFFF33';
var $color_emptyfield = '#CCCCCC';
var $selection = 1;
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/**
*
* construtor: graphview class
*
* constructor waits for the desired month in
* integer presentation and the desired year also
* in integer presentation 4 digits (ex. 2001)
*
* @param int month (for example: 02)
* @param int year (for example: 2001)
*
*/
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function matrixview ($month_int = 0, $year_int = 0)
{
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for($i;$i<32;$i++)
{
if(checkdate($month_int,$i,$year_int)) $days++;
}
$this->month = $month_int;
$this->year = $year_int;
$this->set1PixelGif($GLOBALS['phpgw']->common->get_image_path('todo').'/pix.gif');
}
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/**
*
* set a Period for a specified item
*
* setting a period for an element means to define
* a fromDate and and a toDate together with the
* item itself. This will store a timeframe associated
* with an item for later usage
*
* @param string item for the timeframe
* @param date fromdate in format yyyymmdd
* @param date todate in format yyyymmdd
*
* @return boolean false if item cannot be saved
* otherwise true
*/
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function setPeriod ($item, $fromdate, $todate, $color='#990033')
{
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$fyear = substr($fromdate,0,4);
$fmonth = substr($fromdate,4,2);
$fday = substr($fromdate,6,2);
$tyear = substr($todate,0,4);
$tmonth = substr($todate,4,2);
$tday = substr($todate,6,2);
if(mktime(0,0,0, $tmonth, $tday, $tyear) < mktime(0,0,0, $this->month+1,0,$this->year))
{
$this->day = $tday;
}
else
{
$dinfo = getdate(mktime(0,0,0, $this->month+1,0,$this->year));
$this->day = $dinfo[mday];
}
$go = 1;
$i = 0;
$z = 0;
while($go == 1)
{
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// calculates fromdate
// echo date("d/m/Y", mktime(0,0,0, $fmonth, $fday+$i, $fyear)); echo "<br>";
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$datinfo = getdate(mktime(0,0,0, $fmonth, $fday+$i, $fyear));
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if($datinfo['mon'] == $this->month
&& $datinfo['year'] == $this->year
&& $datinfo['mday'] <= $this->day)
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{
$t = $datinfo['mday'];
$this->items_content[$this->items_count][$t] = 'x';
}
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if (mktime(0,0,0, $fmonth, $fday+$i, $fyear) >= mktime(0,0,0, $this->month+1, 0, $this->year) ||
mktime(0,0,0, $fmonth, $fday+$i, $fyear) >= mktime(0,0,0, $tmonth, $tday, $tyear))
{
$go = 0;
}
$i++;
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}
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$this->items_content[$this->items_count][0] = $item;
$this->items_color[$this->items_count] = $color;
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// increase number of items in two-dimensional array
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$this->items_count++;
}
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/**
*
* sets the color for empty dayfields
*
* @param string color in hexadecimal (ex. "#336699")
*/
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function setEmptyFieldColor ($color)
{
$this->color_emptyfield=$color;
}
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/**
*
* sets the color for calendar day fields
*
* @param string color in hexadecimal (ex. "#336699")
*/
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function setHeaderFieldColor ($color)
{
$this->color_headerfield=$color;
}
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/**
*
* sets a new path for 1pixel (pix.gif) gif needed for the table
* default is set actual script dir + /images
*
* @param string path and name to 1pixel gif
*/
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function set1PixelGif ($filepath)
{
$this->image1pix=$filepath;
}
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/**
*
* disable selection of new timeframe
*
*/
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function disableSelection ()
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{
$this->selection=0;
}
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/**
*
* return the html code for the matrix
*
* will return the complete html code for the matrix.
* In the calling program you can do some other
* operations on it, because it wont be echoed directly
*
* @return string html code for the matrix
*/
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function out($form_link)
{
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// get days of desired month (month submitted in constructor)
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$in = getdate(mktime(0,0,0, $this->month+1,0,$this->year));
$this->sumdays = $in[mday];
$this->monthname = $in[month];
$this->out_monthyear($form_link);
echo '<div align="center">' . "\n";
echo '<table border="0">' . "\n";
$this->out_header();
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// loop through number of items
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for($z=0;$z<$this->items_count;$z++)
{
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// seperate color and name from first array element
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$itemname = $this->items_content[$z][0];
$itemcolor = $this->items_color[$z];
echo '<tr>' . "\n";
echo '<td>' . $itemname . '</td>' . "\n";
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// loop through days of desired month
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for($r=1;$r<$this->sumdays+1;$r++)
{
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if($this->items_content[$z][$r] == 'x')
{
$color = $itemcolor;
}
else
{
$color = $this->color_emptyfield;
}
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echo '<td bgcolor="' . $color . '">&nbsp;</td>' . "\n";
}
echo '</tr>' . "\n";
$this->out_ruler();
}
echo '</table>';
echo '</div>' . "\n";
}
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/**
*
* private class for out method
*
* should not be used from external
*
*/
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function out_header ()
{
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echo '<tr>' . "\n";
echo '<td height="1" colspan="'; echo $this->sumdays+1; echo '" bgcolor="black"><img src="' . $this->image1pix . '"></td>' . "\n";
echo '</tr>' . "\n";
echo '<tr>' . "\n";
echo '<td>' . lang('Title') . '</td>' . "\n";
for($i=1;$i<$this->sumdays+1;$i++)
{
echo '<td bgcolor="'; echo $this->color_headerfield; echo '">' . sprintf("%02d",$i) . '</td>' . "\n";
}
echo '</tr>' . "\n";
echo '<tr>' . "\n";
echo '<td height="1" colspan="'; echo $this->sumdays+1; echo '" bgcolor="black"><img src="' . $this->image1pix . '"></td>' . "\n";
echo '</tr>' . "\n";
}
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/**
*
* private class for out method
*
* should not be used from external
*
*/
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function out_ruler ()
{
echo '<tr>' . "\n";
echo '<td colspan="'; echo $this->sumdays+1; echo '" bgcolor="#999999"><img src="' . $this->image1pix .'"></td>' . "\n";
echo '</tr>' . "\n";
}
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/**
*
* private class for out method
*
* should not be used from external
*
*/
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function out_monthyear($form_link)
{
echo '<form action="' . $form_link . '" method="post">' . "\n";
echo '<table border="0" width="100%" cellpadding="0" cellspacing="0">' . "\n";
echo '<tr>' . "\n";
echo '<td align="center"><h2>'; echo lang($this->monthname); echo ' '; echo $this->year; echo '</h2></td>' . "\n";
if($this->selection == 1)
{
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echo '<td align="right">' . "\n";
echo '<select name="month"';
for($i=0;$i<13;$i++)
{
if ($this->month == $i)
{
$sel = ' selected';
}
else
{
unset($sel);
}
echo '<option value="' . $i . '"' . $sel . '>' . $i . '</option>';
}
echo '</select>' . "\n";
echo '<select name="year"';
for($i = date('Y') -2;$i<date('Y')+5;$i++)
{
if($this->year == $i)
{
$sel = ' selected';
}
else
{
unset($sel);
}
echo '<option value="' . $i . '"' . $sel . '>' . $i .'</option>';
}
echo '</select>' . "\n";
echo '&nbsp;&nbsp;<input type="submit" name="selection" value="' . lang('Filter') . '">&nbsp;&nbsp;';
echo '</td>' . "\n";
}
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echo '</tr>' . "\n";
echo '</table>' . "\n";
echo '</form>' . "\n";
}
}
?>