timeline class and function
this is a class extend that generates a timeline based on structured data and order's the items by year decending.
this code will not work out of the box as it has other requirements, but it is a good example or starting point for a similar function to generate a timeline
also it had a requirement where the colours had to change per row so i added another array of the required colours and assigned each colour to the css that is generated as part of this function.
PHP
// timeline.extend.php
class timeline extends core {
public $class_extend = true; // this must be set to true! :)
public $add_to_menu = false;
public $add_section_button = false; // add this class to the section menu
public $add_to_admin_menu = true; // add this class to the main admin menu
public $nice_name = "timeline";
public $nice_description = "timeline";
public $db_table_name = "timeline";
public $images_enabled = true;
public $load_array = [
"id",
"uid",
"insdate",
"title",
"additional",
"category",
"year",
"month",
];
public function show_timeline() {
$db_table_name = $this->db->escapeString($this->db_table_name);
$sql = "select * from $db_table_name order by year desc";
$out = "";
$css = "";
$color_array = array(
"#32567a",
"#5e788f",
"#c5a888",
"#9f8167",
"#ee7202",
"#d05126",
"#a4381b",
"#514539",
);
$result = $this->db->query($sql);
$line_num = 1;
$col_array_num = 0;
if($result) {
while($row = $result->fetchArray()) {
// $out .= $row['field_name'];
foreach($this->load_array as $load_title) {
//$template->set($load_title, $row[$load_title]);
$this->$load_title = $row[$load_title];
}
$out .= "<div class='timeline-item timeline-item-$line_num'>
<div class='grid-x'>
<div class='large-1 cell'>
<div class='timeline-year'>
$this->year
</div>
</div>
<div class='large-1 cell'>
<div class='timeline-dot'>
</div>
</div>
<div class='large-2 cell'>
<div class='timeline-month'>
$this->month
</div>
</div>
<div class='large-7 cell'>
<div class='timeline-title'>
$this->title
</div>
</div>
</div>
</div>";
// add color css
$line_color = $color_array[$col_array_num];
$css .= ".timeline-item-$line_num { color:$line_color; } .timeline-item-$line_num .timeline-dot { background:$line_color; }";
$col_array_num++;
if($col_array_num == 7) {
$col_array_num = 0;
}
$line_num++;
}
$out = "<style>$css</style>
<div class='timeline-wrap'>
$out
</div>";
return $out;
} else {
return false;
}
}
}
// view page timeline
// where $page_content is the page output
$page_content .= '
<style>
/* Timeline */
.timeline-item {
font-family: "Poppins", sans-serif;
font-size:18px;
font-weight:bold;
padding-bottom:15px;
}
.timeline-title {
font-weight:normal;
}
.timeline-dot::before {
content:"";
width:5px;
top:22px;
height:60px;
background:#CCC;
position:absolute;
left:7px;
z-index:9;
}
.timeline-dot::after {
content: "";
width: 7px;
top: 6px;
left: 6px;
border-radius: 30px;
height: 7px;
background: #FFF;
position: absolute;
z-index: 9;
}
.timeline-dot {
z-index:10;
position:relative;
background:#000;
border-radius: 50px;
height:25px;
width:25px;
margin:0 auto;
border:3px solid rgba(255,255,255,0.3);
}
.timeline-year {
text-align: right;
}
/* Timeline */
</style>
';
$page_content .= '<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/foundation/6.7.3/css/foundation.min.css" integrity="sha512-2meDMHyoDRV8O0gr5Diq32ch+6QqI9Af9Km4eFwgxZg356CbUI4S30C3zuUetkNAN4Bn+17y9OgxoQ3HnQ648w==" crossorigin="anonymous" referrerpolicy="no-referrer" />';
$page_content .= $timeline->show_timeline();View Statistics
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"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."
I just checked google books for BFG, and the dedication is there.
https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1
Roald Dahl, 1986
