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lnapp/classes/lnApp/Table.php
2014-02-18 15:27:08 +11:00

464 lines
12 KiB
PHP

<?php defined('SYSPATH') or die('No direct access allowed.');
/**
* This class is for rendering a table of data.
*
* @package lnApp
* @category Helpers
* @author Deon George
* @copyright (c) 2009-2013 Deon George
* @license http://dev.leenooks.net/license.html
*/
abstract class lnApp_Table {
private $data = NULL;
private $columns = array(); // Our columns that we need to display
private $filters = array(); // Our datafomrating that we need to use
private $filters_added = FALSE;
private $jssort = FALSE; // Use the JS pager and sorter
private $other = ''; // If we are only listing x items, this will be the other summary line
private $other_col = NULL; // If we are only listing x items, this will be the other summary line
private $po = NULL; // If we are paging the results, this is the page we are displaying
private $page = FALSE; // If we should page the results
private $page_rows = 0; // Number of rows per page
private $prepend = array(); // Our data formating that we need to use, prepended to the value
private $postproc = array(); // Our data formating that we need to use after the value is determined
private $select = array(); // Our select form details
public function __toString() {
try {
return (string)$this->render();
} catch (Exception $e) {
return $e->getMessage();
}
}
public function columns($cols) {
$this->columns = $cols;
return $this;
}
public function data($data) {
$this->data = $data;
return $this;
}
private function evaluate($d,$key) {
if (count($this->filters) AND ! $this->filters_added) {
$d->display_filters($this->filters);
// So we dont keep extending our display_filters
$this->filters_added = TRUE;
}
if (is_array($d) AND isset($d[$key]))
$x = $d[$key];
// If the key is a method, we need to eval it
elseif (preg_match('/\(/',$key) OR preg_match('/-\>/',$key))
eval("\$x = \$d->$key;");
elseif (preg_match('/^__VALUE__$/',$key))
$x = $d;
else
$x = isset($d->{$key}) ? $d->display($key) : '';
// We cant display array values
if (is_array($x))
$x = array_shift($x);
if (isset($this->prepend[$key]) AND $x) {
foreach ($this->prepend[$key] as $act => $data) {
switch ($act) {
case 'checkbox': $x = sprintf('<label class="checkbox">%s %s</label>',Form::checkbox($data,$x,FALSE,array('nocg'=>TRUE)),$x); // @todo Check those not yet checked
break;
case 'input':
if (preg_match('/__VALUE__/',$data['key']))
$data['key'] = preg_replace('/__VALUE__/',$x,$data['key']);
$x = Form::input($data['key'],isset($data['values'][$x]) ? $data['values'][$x] : '',array('placeholder'=>$x,'label'=>$x));
break;
case 'url': $x = HTML::anchor($data.$x,$x);
break;
case 'url_resolve':
$filtermatchall = array();
preg_match_all('/%(\w+)(\|.+)?(\/[lUC])?%/U',$data,$filtermatchall);
foreach ($filtermatchall[1] as $id=>$key)
$data = str_replace($filtermatchall[0][$id],$d->display($key),$data);
$x = HTML::anchor($data,$x);
break;
default:
throw HTTP_Exception::factory(501,'Unknown action :action',array(':action'=>$act));
}
}
}
if (isset($this->postproc[$key]) and $x) {
foreach ($this->postproc[$key] as $act => $data) {
switch ($act) {
case 'trim':
if (strlen($x) > $data) {
$x = sprintf('<abbr title="%s">%s</abbr>',$x,substr($x,0,$data-3).str_repeat('.',3));
}
break;
default:
throw HTTP_Exception::factory(501,'Unknown action :action',array(':action'=>$act));
}
}
}
return $x;
}
public static function factory() {
return new Table;
}
/**
* Apply additional display filters to the results
*/
public function filters($cols) {
$this->filters = $cols;
return $this;
}
public function jssort($table) {
$this->jssort = $table;
return $this;
}
public function page_items($num) {
$this->page = TRUE;
$this->page_rows = $num;
return $this;
}
public function prepend($cols) {
$this->prepend = $cols;
return $this;
}
public function postproc($cols) {
$this->postproc = $cols;
return $this;
}
private function process() {
$result = array();
$row = 0;
foreach ($this->data as $o) {
$row++;
$c = 0;
// So our filters are added for this record.
$this->filters_added = FALSE;
// If we are HTML paging
if ($this->page) {
if ($row < $this->po->current_first_item())
continue;
elseif ($row > $this->po->current_last_item())
break;
}
// If we are just listing page_rows items and a summary line as a result of exceeding that
if ($this->other_col AND $row>$this->page_rows) {
$this->other += $this->evaluate($o,$this->other_col);
// Otherwise rendering our rows
} else {
foreach ($this->columns as $col => $label) {
$c++;
$result[$row]['val'][$c] = $this->evaluate($o,$col);
}
}
}
return $result;
}
private function render() {
$output = '';
// If we need to page the results
if ($this->page) {
$this->po = new Pagination(array(
'total_items'=>count($this->data),
'items_per_page'=>$this->page_rows,
));
$output .= (string)$this->po;
}
if ($this->select)
$output .= Form::open($this->select['form']);
$output .= View::factory('table')
->set('jssort',($this->jssort AND ! $this->page) ? $this->jssort : FALSE)
->set('other',$this->other)
->set('th',$this->columns)
->set('td',$this->process());
// Use the javascript paging
if ($this->jssort AND ! $this->page) {
Script::factory()
->type('stdin')
->data('
$(document).ready(function() {
$.extend($.tablesorter.themes.bootstrap, {
// these classes are added to the table. To see other table classes available,
// look here: http://twitter.github.com/bootstrap/base-css.html#tables
table : "table table-striped",
header : "bootstrap-header", // give the header a gradient background
footerRow : "",
footerCells: "",
icons : "", // add "icon-white" to make them white; this icon class is added to the <i> in the header
sortNone : "bootstrap-icon-unsorted",
sortAsc : "icon-chevron-up",
sortDesc : "icon-chevron-down",
active : "", // applied when column is sorted
hover : "", // use custom css here - bootstrap class may not override it
filterRow : "", // filter row class
even : "", // odd row zebra striping
odd : "" // even row zebra striping
});
$("#list-table'.($this->jssort ? '-'.$this->jssort : '').'").tablesorter({
theme: "bootstrap",
widthFixed : true,
headerTemplate : "{content} {icon}", // Add icon for jui theme; new in v2.7!
widgets: [ "uitheme", "stickyHeaders", "filter" ],
widgetOptions : {
stickyHeaders_offset: ".navbar-fixed-top",
}
}).tablesorterPager({
// target the pager markup - see the HTML block below
container : $(".pager'.($this->jssort ? '-'.$this->jssort : '').'"),
output : "{startRow} - {endRow} / {filteredRows} ({totalRows})",
fixedHeight: true,
removeRows : false,
cssGoto : ".gotoPage"
});
});
');
Script::factory()
->type('file')
->data('media/vendor/mottie-tablesorter/js/jquery.tablesorter.min.js');
Script::factory()
->type('file')
->data('media/vendor/mottie-tablesorter/js/jquery.tablesorter.widgets.min.js');
Script::factory()
->type('file')
->data('media/vendor/mottie-tablesorter/js/jquery.tablesorter.pager.min.js');
Style::factory()
->type('file')
->data('media/vendor/mottie-tablesorter/css/theme.bootstrap.css');
Style::factory()
->type('file')
->data('media/vendor/mottie-tablesorter/css/jquery.tablesorter.pager.css');
// @todo The theme should be moved from here, but Controller_Media will need to know about admin requests for media/
Style::factory()
->type('file')
->data('media/theme/baseadmin/css/custom/tablesort.css');
}
if ($this->select) {
$output .= Form::button('submit','Submit',array('class'=>'btn btn-primary','value'=>$this->select['submit']));
foreach ($this->select['hidden'] as $k=>$v)
$output .= Form::hidden($k,$v);
$output .= Form::close();
}
return $output;
}
public function select($form,$submit='',array $hidden=array()) {
$this->select['form'] = $form;
$this->select['submit'] = $submit;
$this->select['hidden'] = $hidden;
return $this;
}
// @deprecated
public static function display($data,$rows,array $cols,array $option) {
$prepend = $headers = array();
foreach ($cols as $k=>$v) {
if (isset($v['label']))
$headers[$k] = $v['label'];
if (isset($v['url']))
$prepend[$k] = array('url'=>$v['url']);
}
return self::factory()
->data($data)
->jssort(TRUE)
->page_items($rows)
->columns($headers)
->prepend($prepend);
/*
// This JS is failing, any pressing of select all, unselect all, toggle is propaging up and submitting the form
Script::factory()
->type('stdin')
->data('
(function($) {
// Enable Range Selection
$.fn.enableCheckboxRangeSelection = function() {
var lastCheckbox = null;
var followOn = 0;
var $spec = this;
$spec.bind("click", function(e) {
if (lastCheckbox != null && e.shiftKey) {
x = y = 0;
if (followOn != 0) {
if ($spec.index(lastCheckbox) < $spec.index(e.target)) {
x = 1 - ((followOn == 1) ? 1 : 0);
} else {
y = 1 - ((followOn == -1) ? 1 : 0);
}
}
$spec.slice(
Math.min($spec.index(lastCheckbox) - x, $spec.index(e.target)) + 1,
Math.max($spec.index(lastCheckbox), $spec.index(e.target)) + y
).attr("checked",function() { return ! this.checked; })
.parent().parent().toggleClass("selected");
followOn = ($spec.index(lastCheckbox) < $spec.index(e.target)) ? 1 : -1;
} else {
followOn = 0;
}
lastCheckbox = e.target;
});
return $spec;
};
// Enable Toggle, (De)Select All
$.fn.check = function(mode) {
// if mode is undefined, use "on" as default
var mode = mode || "on";
switch(mode) {
case "on":
$("#select-table tr:not(.head)")
.filter(":has(:checkbox:not(checked))")
.toggleClass("selected")
break;
case "off":
$("#select-table tr:not(.head)")
.filter(":has(:checkbox:checked)")
.toggleClass("selected")
break;
case "toggle":
$("#select-table tr:not(.head)")
.toggleClass("selected");
break;
}
return this.each(function(e) {
switch(mode) {
case "on":
this.checked = true;
break;
case "off":
this.checked = false;
break;
case "toggle":
this.checked = !this.checked;
break;
}
});
};
})(jQuery);
// Bind our actions
$(document).ready(function() {
$("#select-table :checkbox").enableCheckboxRangeSelection();
$("#select-menu > #toggle").bind("click",function() {
$("#select-table :checkbox").check("toggle");
});
$("#select-menu > #all_on").bind("click",function() {
$("#select-table :checkbox").check("on");
});
$("#select-menu > #all_off").bind("click",function() {
$("#select-table :checkbox").check("off");
});
// Click to select Row
$("#select-table tr:not(.head)")
.filter(":has(:checkbox:checked)")
.addClass("selected")
.end()
.click(function(e) {
$(this).toggleClass("selected");
if (e.target.type !== "checkbox") {
$(":checkbox", this).attr("checked", function() {
return !this.checked;
});
}
});
// Double click to select a row
$("#select-table tr:not(.head)")
.dblclick(function(e) {
window.location = $("a", this).attr("href");
});
});
');
*/
}
// This enables us to page through many selected items
// @todo This is currently not usable, since our JS above needs to be fixed to work with tablesorter
public static function page($key) {
// We have preference for parameters passed to the action.
if (is_null($id = Request::current()->param('id'))) {
// First save our POST id data into the session, so we dont need it when going to each page
if (isset($_POST['id']) AND is_array($_POST['id']))
Session::instance()->set('page_table_view'.$key,'id');
if ($ids = Session::instance()->get('page_table_view'.$key)) {
$pag = new Pagination(array(
'total_items'=>count($ids),
'items_per_page'=>1,
));
return array($ids[$pag->current_first_item()-1],(string)$pag);
}
}
// If we get here, then there is no previous data to retrieve.
return array($id,'');
}
}
?>