aboutsummaryrefslogtreecommitdiff
path: root/h-source/Library/Helper/List.php
blob: 57aeeff48d4fae54f770457ae6e852300162554c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
<?php

// EasyGiant is a PHP framework for creating and managing dynamic content
//
// Copyright (C) 2009 - 2011  Antonio Gallo
// See COPYRIGHT.txt and LICENSE.txt.
//
// This file is part of EasyGiant
//
// EasyGiant 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 3 of the License, or
// (at your option) any later version.
//
// EasyGiant 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with EasyGiant.  If not, see <http://www.gnu.org/licenses/>.

if (!defined('EG')) die('Direct access not allowed!');

//class to create the HTML of a list of records
class Helper_List extends Helper_Html {

	private $__rowArray = array(); //the current associative array representing the database record

	protected $_itemsList = array(); //2-dimensional associative array containing the list items
	//keys: type,table:field,controller/action,value
	protected $_head = array(); //2-dimensional array containing the head of the table
	protected $_identifierName;

	protected $_recordNumber = null; //number of records from the table

	protected $_allowedItems = array('simpleLink','simpleText','delForm','editForm','associateForm','moveupForm','movedownForm','Form','ledit','link','text'); //type of items allowed

	//it can be: both, top, bottom, none
	protected $_boundaries = 'none';

	//array of filters
	protected $_filters = array();
	
	//set if the submit buttons have to be images or not (it can be yse or not)
	public $submitImageType = 'yes';

	//set the files of the images
	public $submitImages = array();

	//set the titles of the input:submit
	public $submitTitles = array();

	//properties of columns
	public $colProperties = array();

	//table attributes
	public $tableAttributes = array('class'=>'listTable','cellspacing'=>'0');

	//$position: array. First element: page number, second element: number of pages
	public $position = array();

	//instance of Lang_{language}_Generic
	public $strings = null;

	//the url (controller/action) of the current page
	public $url = null;

	public $pageArg = null; //the key of the viewArgs array representing the page number. $this->viewArgs[$this->pageArg] is set to 1 if $this->pageArg !== null
	
	public function __construct() {
		
		//get the generic language class
		$this->strings = Factory_Strings::generic(Params::$language);

		$baseUrl = '/Public/Img/Icons/elementary_2_5/';

		//set the files of the images
		$this->submitImages = array(
			'up'	=>	$baseUrl.'up.png',
			'down'	=>	$baseUrl.'down.png',
			'edit'	=>	$baseUrl.'edit.png',
			'del'	=>	$baseUrl.'delete.png',
			'link'	=>	$baseUrl.'link.png',
		);
	
		$this->submitTitles = array(
			'edit'		=>	$this->strings->gtext('edit'),
			'del'		=>	$this->strings->gtext('delete'),
			'up'		=>	$this->strings->gtext('move up'),
			'down'		=>	$this->strings->gtext('move down'),
			'link'		=>	$this->strings->gtext('associate')
		);

	}
	
	public function build($identifierName = 'identifier', $url = null, $pageArg = null)
	{
		$this->_identifierName = $identifierName;
		$this->url = $url;
		$this->pageArg = $pageArg;
	}

	public function setIdentifierName($identifierName)
	{
		$this->_identifierName = $identifierName;
	}

	//add a list Item. $type: the type of the item, $field: the table.field to exctract (use colon to separate the table and the field),$action: controller/action,$value=if type == link->the value of the link
	public function addItem($type, $action = '', $field = '', $name = '', $value = '', $title = '') {
		if (!in_array($type,$this->_allowedItems)) {
			throw new Exception('"'.$type. '" argument not allowed in '.__METHOD__.' method');
		}
		$temp=array();
		$temp['type'] = $type;
		$temp['action'] = $action;
		$temp['field'] = $field;
		$temp['name'] = $name;
		$temp['value'] = $value;
		$temp['title'] = $title;
		$this->_itemsList[] = $temp;

		//set the $this->_head array
		$head = array();
		$head['type'] = $type;

		if ($type === 'simpleText') {
			$head['action'] = $this->extractFieldName($action);
		} else {
			$head['action'] = '&nbsp';
		}
		$this->_head[] = $head;
	}


	//set the head of the table
	//$columnsName: name of the columns. It has to be a comma-separated list of strings
	public function setHead($columnsName = '')
	{
		//get the array from the list
		$columnsArray = explode(',',$columnsName);
		for ($i = 0; $i < count($columnsArray); $i++)
		{
			if ($i < count($this->_itemsList)) $this->_head[$i]['action'] = $columnsArray[$i];
		}
	}

	//set the filters
	//$filters: array whose elements are the viewArgs to be used for the filters forms
	public function setFilters($filters)
	{
		$this->_filters = $filters;
	}

	//check that the ViewArgs array is complete
	public function checkViewArgs()
	{
		foreach ($this->_filters as $field)
		{
			if (!array_key_exists($field,$this->viewArgs) and strcmp($field,null) !== 0) return false;
		}
		return true;
	}
	
	//$method to extract the field name from the $action string (;table:field;). Used for the head
	public function extractFieldName($string) {
		$string = str_replace(';','',$string);
		return $string;
	}

	//replace the strings wrapped by ; with their correspondent value taken by the $recordArray associative array (a row of the select query)
	public function replaceFields($string,$rowArray) {
		$this->__rowArray = $rowArray; //used by the replaceField  method

		$string = preg_replace_callback('/(\;)(.*?)(\;)/', 'Helper_List::replaceField' ,$string);

		return $string;
	}

	//replace a single string wrapped by ; with its correspondent value taken by the $recordArray associative array (a row of the select query)
	public function replaceField($match)
	{
		$string = $match[2];
		
		if (strstr($string,':') or strstr($string,'.')) {
			if (strstr($string,':'))
			{
				$char = ':';
			}
			else
			{
				$char = '.';
			}
			//check if a function has been indicated
			if (strstr($string,'|'))
			{
				//get the function
				$firstArray = explode('|',$string);
				$func = $firstArray[0];
				//replace the fields
				$temp =  explode($char,$firstArray[1]);
				$string = $this->__rowArray[$temp[0]][$temp[1]];

				if (!function_exists($func)) {
					throw new Exception('Error in <b>'.__METHOD__.'</b>: function <b>'.$func.'</b> does not exists..');
				}
				//apply the function
				$string = call_user_func($func,$string);
			}
			else
			{
				$temp = explode($char,$string);
				$string = $this->__rowArray[$temp[0]][$temp[1]];
			}
		}
		return $string;
	}

	//call the method replaceFields upon the $items array using the associative array $rowArray
	public function replaceAll($item,$rowArray) {
		$item['action'] = $this->replaceFields($item['action'],$rowArray);
		$item['field'] = $this->replaceFields($item['field'],$rowArray);
		$item['name'] = $this->replaceFields($item['name'],$rowArray);
		$item['value'] = $this->replaceFields($item['value'],$rowArray);
		$item['title'] = $this->replaceFields($item['title'],$rowArray);
		return $item;
	}

	//wrap the column with the tag td
	public function wrapColumn($string, $className = null) {
		return wrap($string,array('td'=>$className));
	}

	//wrap the row with the tag tr
	public function wrapRow($string,$className = null) {
		return wrap($string,array('tr'=>$className));
	}

	public function wrapList($string) {
		return wrap($string,array('table'=>$this->tableAttributes));
	}

	//method to create the HTML of the head of the table
	public function createHead() {
		$htmlHead = null;
		
		$count = 0;
		foreach ($this->_head as $item) {
			$temp = $item['action'];
			
			$prop = $item['type'];
			if (isset($this->colProperties[$count]))
			{
				$prop = $this->colProperties[$count];
			}
			
			$htmlHead .= $this->wrapColumn($temp,$prop);
			
			$count++;
		}

		return $htmlHead;
	}

	//method to create the HTML of the head of the table
	public function createFilters() {
		$htmlFilters = null;

		if (count($this->_filters) > 0)
		{
			if ($this->checkViewArgs())
			{
				$count = 0;
				foreach ($this->_head as $item) {

					$prop = $item['type'];
					if (isset($this->colProperties[$count]))
					{
						$prop = $this->colProperties[$count];
					}

					$html = '&nbsp';
					if (isset($this->_filters[$count]))
					{
						$html = $this->filterForm($this->_filters[$count]);
					}
					$htmlFilters .= $this->wrapColumn($html,$prop);

					$count++;
				}
			}
		}
		
		return $htmlFilters;
	}

	//create the HTML of a single row (values taken from the associative array $rowArray)
	public function getRowList($rowArray) {
		$htmlList = null;

		$count = 0;
		foreach ($this->_itemsList as $item) {
			$item = $this->replaceAll($item,$rowArray);

			$prop = $item['type'];
			if (isset($this->colProperties[$count]))
			{
				$prop = $this->colProperties[$count];
			}

			if (($this->_boundaries === 'top' and $item['type'] === 'moveupForm') or ($this->_boundaries === 'bottom' and $item['type'] === 'movedownForm') or ($this->_boundaries === 'both' and ($item['type'] === 'moveupForm' or $item['type'] === 'movedownForm')))
			{
				$htmlList .= $this->wrapColumn('&nbsp',$prop);
			}
			else
			{
				$temp = call_user_func_array(array($this,$item['type']),array($item));
				$htmlList .= $this->wrapColumn($temp,$prop);
			}
			$count++;
		}
		return $htmlList;
	}

	//$index: record number
	public function ifInBoundaries($index)
	{
		$this->_boundaries = 'none';
		
		if (!empty($this->position))
		{
			if ($this->_recordNumber === 1 and strcmp($this->position[0],1) === 0)
			{
				$this->_boundaries = 'both';
			}
			else if ($index === 0 and strcmp($this->position[0],1) === 0)
			{
				$this->_boundaries = 'top';
			}
			else if ($index === ($this->_recordNumber-1) and strcmp($this->position[0],$this->position[1]) === 0)
			{
				$this->_boundaries = 'bottom';
			}
		}

	}

	//create the HTML of the entire list. $queryResult: the array coming from the select query
	public function render($queryResult)
	{
		//set the number of records
		$this->_recordNumber = count($queryResult);
		$htmlList = null;
		//create the HTML of the head of the record list
		$htmlList .= $this->wrapRow($this->createHead(),'listHead');
		//create the HTML of the filters
		$htmlList .= $this->wrapRow($this->createFilters(),'listFilters');
		for ($i = 0; $i < count($queryResult); $i++)
		{
			$this->ifInBoundaries($i);
			$temp = $this->getRowList($queryResult[$i]);
			$htmlList .= $this->wrapRow($temp,'listRow');
		}
		return $this->wrapList($htmlList);
	}

	public function generalForm($itemArray, $submitName, $submitValue)
	{
		$string = "<form class='listItemForm' action='".Url::getRoot(null).$itemArray['action'].$this->viewStatus."' method='POST'>\n";
		$name = (strcmp($itemArray['name'],'') !== 0) ? $itemArray['name'] : $submitName;
		$value = (strcmp($itemArray['value'],'') !== 0) ? $itemArray['value'] : $submitValue;

		$oldValue = $value;
		$value = $this->strings->gtext($value);
		
		if (strcmp($itemArray['title'],'') !== 0)
		{
			$title = "title='".$itemArray['title']."'";
		}
		else
		{
			$title = isset($this->submitTitles[$oldValue]) ? "title='".$this->submitTitles[$oldValue]."'" : null;
		}
		
		if (strcmp($this->submitImageType,'yes') === 0 and isset($this->submitImages[$oldValue]))
		{
			$imgSrc = $this->submitImages[$oldValue];
			
			$string .= "<input type='image' $title src='".$imgSrc."' value='$value'>\n";
			$string .= "<input type='hidden' name='".$name."' value='$value'>\n";
		}
		else
		{
			$string .= "<input type='submit' $title name='".$name."' value='$value'>\n";
		}
		
		$string .= "<input type='hidden' name='".$this->_identifierName."' value='".$itemArray['field']."'>\n";
		$string .= "</form>\n";
		return $string;
	}

	public function Form($itemArray)
	{
		return $this->generalForm($itemArray, 'name_missing', 'value_missing');
	}
	
	public function moveupForm($itemArray)
	{
		return $this->generalForm($itemArray, 'moveupAction', 'up');
	}

	public function movedownForm($itemArray)
	{
		return $this->generalForm($itemArray, 'movedownAction', 'down');
	}

	public function editForm($itemArray)
	{
		return $this->generalForm($itemArray, 'generalAction', 'edit');
	}

	public function delForm($itemArray)
	{
		return $this->generalForm($itemArray, 'delAction', 'del');
	}

	public function associateForm($itemArray)
	{
		return $this->generalForm($itemArray, 'generalAction', 'link');
	}

	public function simpleText($itemArray) {
		$text = strcmp($itemArray['action'],'') !== 0 ? $itemArray['action'] : '&nbsp';
		$string = "<span class='textItem'>".$text."</span>\n";
		return $string;
	}

	public function text($itemArray)
	{
		return $this->simpleText($itemArray);
	}
	
	public function simpleLink($itemArray) {
		$string = "<a title='".$itemArray['field']."' class='linkItem' href='".Url::getRoot(null).$itemArray['action'].$this->viewStatus."'>".$itemArray['name']."</a>\n";
		return $string;
	}

	public function link($itemArray)
	{
		return $this->simpleLink($itemArray);
	}

	public function ledit($itemArray)
	{
		$text = isset($this->submitImages['edit']) ? "<img src='".$this->submitImages['edit']."'>" : $itemArray['name'];
		$title = isset($this->submitTitles['edit']) ? $this->submitTitles['edit'] : $itemArray['field'];
		$string = "<a title='".$title."' class='linkItem' href='".Url::getRoot(null).$itemArray['action'].$this->viewStatus."'>$text</a>\n";
		return $string;
	}

	//create the HTML of the filter
	public function filterForm($viewArgsName)
	{
		$cleanName = str_replace('n!',null,$viewArgsName);
		$cleanName = str_replace('-',null,$cleanName);

		if (isset($this->viewArgs[$this->pageArg]))
		{
			$this->viewArgs[$this->pageArg] = 1;
		}
		
		$temp = $value = $this->viewArgs[$viewArgsName];
		//set the viewArg to the null query value
		if (Params::$nullQueryValue)
		{
			$this->viewArgs[$viewArgsName] = Params::$nullQueryValue;
			$viewStatus = Url::createUrl(array_values($this->viewArgs));
			if (strcmp($value,Params::$nullQueryValue) === 0) $value = '';
		}
		$this->viewArgs[$viewArgsName] = $temp;
		
		$action = Url::getRoot($this->url).$viewStatus;
		$imgSrc = Url::getRoot('Public/Img/Icons/elementary_2_5/find.png');
		$title = $this->strings->gtext('filter');
		$clearLinkTitle = $this->strings->gtext('clear the filter');
		
		$html = "<form class='list_filter_form list_filter_form_$cleanName' action='".$action."' method='GET'>\n";
		$html .= "<input class='list_filter_input list_filter_input_$cleanName' type='text' name='$viewArgsName' value='".$value."'>";
		$html .= "<a class='list_filter_clear_link list_filter_clear_link_$cleanName' title='$clearLinkTitle' href='$action'><img src='".Url::getRoot()."/Public/Img/Icons/elementary_2_5/clear_filter.png' /></a>";
		$html .= "<input class='list_filter_submit list_filter_submit_$cleanName' type='image' title='$title' src='".$imgSrc."' value='trova'>\n";
		$html .= "</form>\n";

		return $html;
	}
	
}