302 lines
15 KiB
PHP
302 lines
15 KiB
PHP
<?php
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/**
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*
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* SugarCRM Community Edition is a customer relationship management program developed by
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* SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
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*
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* SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
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* Copyright (C) 2011 - 2018 SalesAgility Ltd.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License version 3 as published by the
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* Free Software Foundation with the addition of the following permission added
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* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
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* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
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* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License along with
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* this program; if not, see http://www.gnu.org/licenses or write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA.
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*
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* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
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* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
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* reasonably feasible for technical reasons, the Appropriate Legal Notices must
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* display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
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*/
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if (!defined('sugarEntry') || !sugarEntry) {
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die('Not A Valid Entry Point');
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}
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#[\AllowDynamicProperties]
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class Gantt
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{
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private $start_date;
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private $end_date;
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private $tasks;
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public function __construct($start_date, $end_date, $tasks)
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{
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$this->start_date = $start_date;
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$this->end_date = $end_date;
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$this->tasks = $tasks;
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//draw the grid
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$this->draw($this->start_date, $this->end_date, $this->tasks);
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}
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public function draw($start_date, $end_date, $tasks)
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{
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$day_count = $this->count_days($start_date, $end_date);
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$diff_interval = 30 - $day_count;
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if ($diff_interval <= 0) {
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$time_span = $this->year_month($start_date, $end_date);
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} else {
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$time_span = $this->year_month($start_date, $end_date, $diff_interval);
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}
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// $project_length = $this->time_range($start_date, $end_date);
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//Generate main table and the first row containing the months
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echo '<table class="main_table"><tr class="month_row">';
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foreach ($time_span as $months) {
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foreach ($months as $month => $days) {
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echo '<td class="months">'.$month.'</td>';
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}
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}
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//end the month row and start the days row
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echo '</tr><tr class="day_row">';
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$month_count = 0;//start month count
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foreach ($time_span as $months) {
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$m=0;
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foreach ($months as $days) {
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echo '<td class="inner_container">';
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//Generate a table containing the days in each month
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echo '<table class="table_inner"><tr>';
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foreach ($days as $day => $d) {
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echo '<td class="inner_td"><div class="cell_width">'.$day.'</div></td>';//day number shown
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}
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echo '</tr><tr>';
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foreach ($days as $d) {
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echo '<td class="inner_td"><div class="cell_width">'.$this->substr_unicode($d, 0, 1).'</div></td>';//First letter of the days name shown
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}
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echo '</tr></table></td>';//end table containing the days in each month
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$m++;
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}
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$month_count += $m; //total month count
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}
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//for each task generate a row of empty days
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$i=1;
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if (!is_null($tasks)) {
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foreach ($tasks as $task) {
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echo '</tr><tr class="task_row">';
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echo '<td colspan="'.$month_count.'"><table id="task'.$i.'" class="table_inner"><tr>';
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$task_start_day = $this->count_days($start_date, $task->date_start);
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$task_end_day = $this->count_days($start_date, $task->date_finish);
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$task_duration = $this->count_days($task->date_start, $task->date_finish);
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$task->predecessors = $task->predecessors == '' ? 0 : $task->predecessors;
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for ($x=1; $x<= $day_count; $x++) {
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if ($x==1 && $x != $task_start_day) {
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echo '<td class="inner_td"><div class="cell_width day_block"></div></td>';
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} else {
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if ($x==1 && $x == $task_start_day) {
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if ($task->milestone_flag == '1' && ($task_duration == 0 || $task_duration == 1)) {
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echo '<td class="task_td2"><div class="cell_width task_block1">
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<div class="task_block_inner">
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<div class="milestone link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<img src="modules/Project/images/add_milestone.png" />
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</div>
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</div>
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</div></td><td class="inner_td"><div class="cell_width day_block"></div></td>';
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} else {
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if ($task_duration == 0 || $task_duration == 1) {
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echo '<td class="task_td2"><div class="cell_width task_block1">
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<div class="task_block_inner">
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<div class="task1 link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<div class="task_percent" rel="'.$task->percent_complete.'"></div>
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</div>
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</div>
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</div></td><td class="inner_td"><div class="cell_width day_block"></div></td>';
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} else {
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echo '<td class="task_td" colspan="'.$task_duration.'"><div class="cell_width task_block">
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<div class="task_block_inner">
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<div class="task link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<div class="task_percent" rel="'.$task->percent_complete.'">'.$task->name.'</div>
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</div>
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</div>
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</div></td>';
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}
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}
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} else {
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if ($x == $task_start_day && $x == $day_count) {
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if ($task->milestone_flag == '1' && ($task_duration == 0 || $task_duration == 1)) {
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echo '<td class="task_td2"><div class="cell_width task_block1">
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<div class="task_block_inner">
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<div class="milestone link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<img src="modules/Project/images/add_milestone.png" />
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</div>
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</div>
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</div></td>';
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} else {
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if ($task_duration == 0 || $task_duration == 1) {
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echo '<td class="task_td2"><div class="cell_width task_block1">
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<div class="task_block_inner">
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<div class="task1 link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<div class="task_percent" rel="'.$task->percent_complete.'"></div>
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</div>
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</div>
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</div></td>';
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} else {
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echo '<td class="task_td" colspan="'.$task_duration.'"><div class="cell_width task_block">
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<div class="task_block_inner">
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<div class="task link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<div class="task_percent" rel="'.$task->percent_complete.'">'.$task->name.'</div>
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</div>
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</div>
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</div></td>';
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}
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}
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} else {
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if ($x == $task_start_day) {
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if ($task->milestone_flag == '1' && ($task_duration == 0 || $task_duration == 1)) {
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echo '<td class="task_td2"><div class="cell_width task_block1">
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<div class="task_block_inner">
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<div class="milestone link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<img src="modules/Project/images/add_milestone.png" />
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</div>
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</div>
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</div></td><td class="inner_td"><div class="cell_width day_block"></div></td>';
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} else {
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if ($task_duration == 0 || $task_duration == 1) {
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echo '<td class="task_td2"><div class="cell_width task_block1">
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<div class="task_block_inner">
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<div class="task1 link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<div class="task_percent" rel="'.$task->percent_complete.'"></div>
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</div>
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</div>
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</div></td><td class="inner_td"><div class="cell_width day_block"></div></td>';
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} else {
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echo '<td class="task_td" colspan="'.$task_duration.'"><div class="cell_width task_block">
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<div class="task_block_inner">
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<div class="task link" id="'.$task->project_task_id.'" pre="'.$task->predecessors.'" link="'.$task->relationship_type.'" rel="'.$task->name.'">
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<div class="task_percent" rel="'.$task->percent_complete.'"></div>
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</div>
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</div>
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</div></td>';
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}
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}
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} else {
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if ($x == $day_count) {
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} else {
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if ($x > $task_start_day && $x < $task_end_day) {
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//leave blank
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} else {
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echo '<td class="inner_td"><div class="cell_width day_block"></div></td>';
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}
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}
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}
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}
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}
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}
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}
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echo '</tr></table ></td></tr>';
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$i++;
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}
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}
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echo '</table>';
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}
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//Returns an array containing the years, months and days between two dates
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public function year_month($start_date, $end_date, $diff_interval=1)
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{
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$begin = new DateTime($start_date);
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$end = new DateTime($end_date);
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$end->add(new DateInterval('P'. $diff_interval .'D')); //Add 1 day to include the end date as a day
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$interval = new DateInterval('P1D'); // 1 month interval
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$period = new DatePeriod($begin, $interval, $end);
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$aResult = array();
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foreach ($period as $dt) {
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$y = $dt->format('Y');
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$m = $GLOBALS['app_list_strings']['dom_cal_month_short'][$dt->format('n')];
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$j = $dt->format('j');
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$d = $GLOBALS['app_list_strings']['dom_cal_day_short'][$dt->format('w')+1];
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$aResult[$y][$m][$j] = $d;
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}
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return $aResult;
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}
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//Returns the total number of days between two dates
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public function count_days($start_date, $end_date)
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{
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$d1 = new DateTime($start_date);
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$d2 = new DateTime($end_date);
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//If the task's end date is before chart's start date return 1 to make sure task starts on first day of the chart
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if ($d2 < $d1) {
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return 1;
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}
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$d2->add(new DateInterval('P1D')); //Add 1 day to include the end date as a day
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$difference = $d1->diff($d2);
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return $difference->days;
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}
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//Returns the time span between two dates in years months and days
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public function time_range($start_date, $end_date)
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{
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$datetime1 = new DateTime($start_date);
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$datetime2 = new DateTime($end_date);
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$datetime2->add(new DateInterval('P1D')); //Add 1 day to include the end date as a day
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$interval = $datetime1->diff($datetime2);
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return $interval->format('%y years %m months and %d days');
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}
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public function substr_unicode($str, $s, $l = null)
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{
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return implode("", array_slice(
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preg_split("//u", (string) $str, -1, PREG_SPLIT_NO_EMPTY),
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$s,
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$l
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));
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}
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// Function for basic field validation (present and neither empty nor only white space
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public function IsNullOrEmptyString($question)
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{
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return (!isset($question) || trim($question)==='');
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}
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}
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