FriendsOfPear /
Calendar
| Total Complexity | 51 |
| Total Lines | 388 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like Calendar_Week often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Calendar_Week, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 77 | class Calendar_Week extends Calendar |
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| 78 | { |
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| 79 | /** |
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| 80 | * Instance of Calendar_Table_Helper |
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| 81 | * @var Calendar_Table_Helper |
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| 82 | * @access private |
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| 83 | */ |
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| 84 | var $tableHelper; |
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| 85 | |||
| 86 | /** |
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| 87 | * Stores the timestamp of the first day of this week |
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| 88 | * @access private |
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| 89 | * @var object |
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| 90 | */ |
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| 91 | var $thisWeek; |
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| 92 | |||
| 93 | /** |
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| 94 | * Stores the timestamp of first day of previous week |
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| 95 | * @access private |
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| 96 | * @var object |
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| 97 | */ |
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| 98 | var $prevWeek; |
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| 99 | |||
| 100 | /** |
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| 101 | * Stores the timestamp of first day of next week |
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| 102 | * @access private |
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| 103 | * @var object |
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| 104 | */ |
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| 105 | var $nextWeek; |
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| 106 | |||
| 107 | /** |
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| 108 | * Used by build() to set empty days |
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| 109 | * @access private |
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| 110 | * @var boolean |
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| 111 | */ |
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| 112 | var $firstWeek = false; |
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| 113 | |||
| 114 | /** |
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| 115 | * Used by build() to set empty days |
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| 116 | * @access private |
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| 117 | * @var boolean |
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| 118 | */ |
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| 119 | var $lastWeek = false; |
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| 120 | |||
| 121 | /** |
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| 122 | * First day of the week (0=sunday, 1=monday...) |
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| 123 | * @access private |
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| 124 | * @var boolean |
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| 125 | */ |
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| 126 | var $firstDay = 1; |
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| 127 | |||
| 128 | /** |
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| 129 | * Constructs Week |
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| 130 | * |
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| 131 | * @param int $y year e.g. 2003 |
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| 132 | * @param int $m month e.g. 5 |
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| 133 | * @param int $d a day of the desired week |
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| 134 | * @param int $firstDay (optional) first day of week (e.g. 0 for Sunday, 2 for Tuesday etc.) |
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| 135 | * |
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| 136 | * @access public |
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| 137 | */ |
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| 138 | function __construct($y, $m, $d, $firstDay = null) |
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| 139 | { |
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| 140 | include_once CALENDAR_ROOT.'Table/Helper.php'; |
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| 141 | parent::__construct($y, $m, $d); |
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| 142 | $this->firstDay = $this->defineFirstDayOfWeek($firstDay); |
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| 143 | $this->tableHelper = new Calendar_Table_Helper($this, $this->firstDay); |
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| 144 | $this->thisWeek = $this->tableHelper->getWeekStart($y, $m, $d, $this->firstDay); |
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| 145 | $this->prevWeek = $this->tableHelper->getWeekStart( |
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| 146 | $y, |
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| 147 | $m, |
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| 148 | $d - $this->cE->getDaysInWeek( |
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| 149 | $this->thisYear(), |
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| 150 | $this->thisMonth(), |
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| 151 | $this->thisDay() |
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| 152 | ), |
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| 153 | $this->firstDay |
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| 154 | ); |
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| 155 | $this->nextWeek = $this->tableHelper->getWeekStart( |
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| 156 | $y, |
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| 157 | $m, |
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| 158 | $d + $this->cE->getDaysInWeek( |
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| 159 | $this->thisYear(), |
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| 160 | $this->thisMonth(), |
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| 161 | $this->thisDay() |
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| 162 | ), |
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| 163 | $this->firstDay |
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| 164 | ); |
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| 165 | } |
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| 166 | |||
| 167 | /** |
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| 168 | * Defines the calendar by a timestamp (Unix or ISO-8601), replacing values |
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| 169 | * passed to the constructor |
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| 170 | * |
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| 171 | * @param int|string $ts Unix or ISO-8601 timestamp |
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| 172 | * |
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| 173 | * @return void |
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| 174 | * @access public |
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| 175 | */ |
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| 176 | function setTimestamp($ts) |
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| 177 | { |
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| 178 | parent::setTimestamp($ts); |
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| 179 | $this->thisWeek = $this->tableHelper->getWeekStart( |
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| 180 | $this->year, $this->month, $this->day, $this->firstDay |
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| 181 | ); |
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| 182 | $this->prevWeek = $this->tableHelper->getWeekStart( |
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| 183 | $this->year, |
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| 184 | $this->month, |
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| 185 | $this->day - $this->cE->getDaysInWeek( |
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| 186 | $this->thisYear(), |
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| 187 | $this->thisMonth(), |
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| 188 | $this->thisDay() |
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| 189 | ), |
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| 190 | $this->firstDay |
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| 191 | ); |
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| 192 | $this->nextWeek = $this->tableHelper->getWeekStart( |
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| 193 | $this->year, |
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| 194 | $this->month, |
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| 195 | $this->day + $this->cE->getDaysInWeek( |
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| 196 | $this->thisYear(), |
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| 197 | $this->thisMonth(), |
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| 198 | $this->thisDay() |
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| 199 | ), |
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| 200 | $this->firstDay |
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| 201 | ); |
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| 202 | } |
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| 203 | |||
| 204 | /** |
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| 205 | * Builds Calendar_Day objects for this Week |
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| 206 | * |
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| 207 | * @param array $sDates (optional) Calendar_Day objects representing selected dates |
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| 208 | * |
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| 209 | * @return boolean |
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| 210 | * @access public |
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| 211 | */ |
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| 212 | function build($sDates = array()) |
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| 213 | { |
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| 214 | include_once CALENDAR_ROOT.'Day.php'; |
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| 215 | $year = $this->cE->stampToYear($this->thisWeek); |
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| 216 | $month = $this->cE->stampToMonth($this->thisWeek); |
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| 217 | $day = $this->cE->stampToDay($this->thisWeek); |
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| 218 | $end = $this->cE->getDaysInWeek( |
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| 219 | $this->thisYear(), |
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| 220 | $this->thisMonth(), |
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| 221 | $this->thisDay() |
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| 222 | ); |
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| 223 | |||
| 224 | for ($i=1; $i <= $end; $i++) { |
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| 225 | $stamp = $this->cE->dateToStamp($year, $month, $day++); |
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| 226 | $this->children[$i] = new Calendar_Day( |
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| 227 | $this->cE->stampToYear($stamp), |
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| 228 | $this->cE->stampToMonth($stamp), |
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| 229 | $this->cE->stampToDay($stamp) |
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| 230 | ); |
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| 231 | } |
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| 232 | |||
| 233 | //set empty days (@see Calendar_Month_Weeks::build()) |
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| 234 | if ($this->firstWeek) { |
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| 235 | $eBefore = $this->tableHelper->getEmptyDaysBefore(); |
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| 236 | for ($i=1; $i <= $eBefore; $i++) { |
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| 237 | $this->children[$i]->setEmpty(); |
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| 238 | } |
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| 239 | } |
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| 240 | if ($this->lastWeek) { |
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| 241 | $eAfter = $this->tableHelper->getEmptyDaysAfterOffset(); |
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| 242 | for ($i = $eAfter+1; $i <= $end; $i++) { |
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| 243 | $this->children[$i]->setEmpty(); |
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| 244 | } |
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| 245 | } |
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| 246 | |||
| 247 | if (count($sDates) > 0) { |
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| 248 | $this->setSelection($sDates); |
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| 249 | } |
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| 250 | return true; |
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| 251 | } |
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| 252 | |||
| 253 | /** |
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| 254 | * Set as first week of the month |
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| 255 | * |
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| 256 | * @param boolean $state whether it's first or not |
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| 257 | * |
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| 258 | * @return void |
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| 259 | * @access private |
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| 260 | */ |
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| 261 | function setFirst($state = true) |
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| 264 | } |
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| 265 | |||
| 266 | /** |
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| 267 | * Set as last week of the month |
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| 268 | * |
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| 269 | * @param boolean $state whether it's lasst or not |
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| 270 | * |
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| 271 | * @return void |
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| 272 | * @access private |
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| 273 | */ |
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| 274 | function setLast($state = true) |
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| 275 | { |
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| 276 | $this->lastWeek = $state; |
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| 277 | } |
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| 278 | |||
| 279 | /** |
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| 280 | * Called from build() |
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| 281 | * |
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| 282 | * @param array $sDates Calendar_Day objects representing selected dates |
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| 283 | * |
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| 284 | * @return void |
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| 285 | * @access private |
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| 286 | */ |
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| 287 | function setSelection($sDates) |
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| 288 | { |
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| 289 | foreach ($sDates as $sDate) { |
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| 290 | foreach ($this->children as $key => $child) { |
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| 291 | if ($child->thisDay() == $sDate->thisDay() && |
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| 292 | $child->thisMonth() == $sDate->thisMonth() && |
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| 293 | $child->thisYear() == $sDate->thisYear() |
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| 294 | ) { |
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| 295 | $this->children[$key] = $sDate; |
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| 296 | $this->children[$key]->setSelected(); |
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| 297 | } |
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| 298 | } |
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| 299 | } |
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| 300 | reset($this->children); |
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| 301 | } |
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| 302 | |||
| 303 | /** |
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| 304 | * Returns the value for this year |
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| 305 | * |
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| 306 | * When a on the first/last week of the year, the year of the week is |
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| 307 | * calculated according to ISO-8601 |
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| 308 | * |
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| 309 | * @param string $format return value format ['int' | 'timestamp' | 'object' | 'array'] |
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| 310 | * |
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| 311 | * @return int e.g. 2003 or timestamp |
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| 312 | * @access public |
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| 313 | */ |
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| 314 | function thisYear($format = 'int') |
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| 315 | { |
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| 316 | if (null !== $this->thisWeek) { |
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| 317 | $tmp_cal = new Calendar(); |
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| 318 | $tmp_cal->setTimestamp($this->thisWeek); |
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| 319 | $first_dow = $tmp_cal->thisDay('array'); |
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| 320 | $days_in_week = $tmp_cal->cE->getDaysInWeek($tmp_cal->year, $tmp_cal->month, $tmp_cal->day); |
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| 321 | $tmp_cal->day += $days_in_week; |
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| 322 | $last_dow = $tmp_cal->thisDay('array'); |
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| 323 | |||
| 324 | if ($first_dow['year'] == $last_dow['year']) { |
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| 325 | return $first_dow['year']; |
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| 326 | } |
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| 327 | |||
| 328 | if ($last_dow['day'] > floor($days_in_week / 2)) { |
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| 329 | return $last_dow['year']; |
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| 330 | } |
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| 331 | return $first_dow['year']; |
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| 332 | } |
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| 333 | return parent::thisYear(); |
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| 334 | } |
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| 335 | |||
| 336 | /** |
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| 337 | * Gets the value of the previous week, according to the requested format |
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| 338 | * |
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| 339 | * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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| 340 | * |
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| 341 | * @return mixed |
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| 342 | * @access public |
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| 343 | */ |
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| 344 | function prevWeek($format = 'n_in_month') |
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| 345 | { |
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| 346 | switch (strtolower($format)) { |
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| 347 | case 'int': |
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| 348 | case 'n_in_month': |
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| 349 | return ($this->firstWeek) ? null : $this->thisWeek('n_in_month') -1; |
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| 350 | case 'n_in_year': |
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| 351 | return $this->cE->getWeekNInYear( |
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| 352 | $this->cE->stampToYear($this->prevWeek), |
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| 353 | $this->cE->stampToMonth($this->prevWeek), |
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| 354 | $this->cE->stampToDay($this->prevWeek)); |
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| 355 | case 'array': |
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| 356 | return $this->toArray($this->prevWeek); |
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| 357 | case 'object': |
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| 358 | include_once CALENDAR_ROOT.'Factory.php'; |
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| 359 | return Calendar_Factory::createByTimestamp('Week', $this->prevWeek); |
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| 360 | case 'timestamp': |
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| 361 | default: |
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| 362 | return $this->prevWeek; |
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| 363 | } |
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| 364 | } |
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| 365 | |||
| 366 | /** |
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| 367 | * Gets the value of the current week, according to the requested format |
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| 368 | * |
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| 369 | * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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| 370 | * |
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| 371 | * @return mixed |
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| 372 | * @access public |
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| 373 | */ |
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| 374 | function thisWeek($format = 'n_in_month') |
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| 406 | } |
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| 407 | } |
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| 408 | |||
| 409 | /** |
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| 410 | * Gets the value of the following week, according to the requested format |
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| 411 | * |
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| 412 | * @param string $format ['timestamp' | 'n_in_month' | 'n_in_year' | 'array'] |
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| 413 | * |
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| 414 | * @return mixed |
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| 415 | * @access public |
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| 416 | */ |
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| 417 | function nextWeek($format = 'n_in_month') |
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| 418 | { |
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| 419 | switch (strtolower($format)) { |
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| 420 | case 'int': |
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| 421 | case 'n_in_month': |
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| 422 | return ($this->lastWeek) ? null : $this->thisWeek('n_in_month') +1; |
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| 423 | case 'n_in_year': |
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| 424 | return $this->cE->getWeekNInYear( |
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| 425 | $this->cE->stampToYear($this->nextWeek), |
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| 426 | $this->cE->stampToMonth($this->nextWeek), |
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| 427 | $this->cE->stampToDay($this->nextWeek)); |
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| 428 | case 'array': |
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| 429 | return $this->toArray($this->nextWeek); |
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| 430 | case 'object': |
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| 431 | include_once CALENDAR_ROOT.'Factory.php'; |
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| 432 | return Calendar_Factory::createByTimestamp('Week', $this->nextWeek); |
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| 433 | case 'timestamp': |
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| 434 | default: |
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| 435 | return $this->nextWeek; |
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| 436 | } |
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| 437 | } |
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| 438 | |||
| 439 | /** |
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| 440 | * Returns the instance of Calendar_Table_Helper. |
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| 441 | * Called from Calendar_Validator::isValidWeek |
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| 442 | * |
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| 443 | * @return Calendar_Table_Helper |
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| 444 | * @access protected |
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| 445 | */ |
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| 446 | function & getHelper() |
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| 449 | } |
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| 450 | |||
| 451 | /** |
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| 452 | * Makes sure theres a value for $this->day |
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| 453 | * |
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| 454 | * @return void |
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| 455 | * @access private |
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| 456 | */ |
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| 457 | function findFirstDay() |
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| 465 | } |
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| 466 | } |
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| 467 | } |
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| 468 | } |
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| 469 | } |
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| 470 |
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Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.