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@ -7,72 +7,186 @@ class ShiftCalendarRenderer {
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/**
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* 15m * 60s/m = 900s
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*/
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const MINUTES_PER_ROW = 900;
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const SECONDS_PER_ROW = 900;
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const EMPTY_CELL = '<td class="empty"></td>';
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/**
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* Height of a block in pixel.
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* Do not change - corresponds with theme/css
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*/
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const BLOCK_HEIGHT = 30;
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/**
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* Distance between two shifts in pixels
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*/
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const MARGIN = 5;
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private $shifts;
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private $lanes;
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private $shiftsFilter;
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private $firstBlockStartTime = null;
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private $blocksPerSlot = null;
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public function __construct($shifts, ShiftsFilter $shiftsFilter) {
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$this->shifts = $shifts;
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$this->shiftsFilter = $shiftsFilter;
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$this->firstBlockStartTime = $this->calcFirstBlockStartTime($shifts);
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$this->lanes = $this->assignShiftsToLanes($shifts);
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}
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public function render() {
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$rooms = $this->rooms();
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/**
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* Assigns the shifts to different lanes per room if they collide
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*
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* @param Shift[] $shifts
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* The shifts to assign
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*
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* @return Returns an array that assigns a room_id to an array of ShiftCalendarLane containing the shifts
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*/
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private function assignShiftsToLanes($shifts) {
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// array that assigns a room id to a list of lanes (per room)
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$lanes = [];
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foreach ($shifts as $shift) {
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$room_id = $shift['RID'];
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if (! isset($lanes[$room_id])) {
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// initialize room with one lane
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$header = Room_name_render([
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'RID' => $room_id,
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'Name' => $shift['room_name']
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]);
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$lanes[$room_id] = [
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new ShiftCalendarLane($header, $this->getFirstBlockStartTime(), $this->getBlocksPerSlot())
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];
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}
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// Try to add the shift to the existing lanes for this room
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$shift_added = false;
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foreach ($lanes[$room_id] as $lane) {
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$shift_added = $lane->addShift($shift);
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if ($shift_added == true) {
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break;
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}
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}
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// If all lanes for this room are busy, create a new lane and add shift to it
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if ($shift_added == false) {
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$newLane = new ShiftCalendarLane("", $this->getFirstBlockStartTime(), $this->getBlocksPerSlot());
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if (! $newLane->addShift($shift)) {
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engelsystem_error("Unable to add shift to new lane.");
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}
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$lanes[$room_id][] = $newLane;
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}
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}
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$first_block_start_time = $this->calcFirstBlockStartTime();
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$blocks_per_slot = $this->calcBlocksPerSlot($first_block_start_time);
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return $lanes;
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}
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$slotSizes = $this->calcSlotSizes($rooms, $first_block_start_time, $blocks_per_slot);
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public function getFirstBlockStartTime() {
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return $this->firstBlockStartTime;
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}
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return $this->renderTable($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot);
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public function getBlocksPerSlot() {
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if ($this->blocksPerSlot == null) {
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$this->blocksPerSlot = $this->calcBlocksPerSlot();
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}
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return $this->blocksPerSlot;
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}
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private function renderTableHead($rooms, $slotSizes) {
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$shifts_table = '<thead><tr><th>' . _("Time") . '</th>';
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foreach ($rooms as $room_id => $room_name) {
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$colspan = $slotSizes[$room_id];
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$shifts_table .= "<th" . (($colspan > 1) ? ' colspan="' . $colspan . '"' : '') . ">" . Room_name_render([
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'RID' => $room_id,
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'Name' => $room_name
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]) . "</th>\n";
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/**
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* Renders the whole calendar
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*
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* @return the generated html
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*/
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public function render() {
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return div('shift-calendar', [
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$this->renderTimeLane(),
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$this->renderShiftLanes()
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]);
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}
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/**
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* Renders the lanes containing the shifts
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*/
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private function renderShiftLanes() {
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$html = "";
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foreach ($this->lanes as $room_id => $room_lanes) {
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foreach ($room_lanes as $lane) {
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$html .= $this->renderLane($lane);
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}
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$shifts_table .= "</tr></thead>";
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return $shifts_table;
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}
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return $html;
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}
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private function initTableBody($slotSizes, $first_block_start_time, $blocks_per_slot) {
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// Slot sizes plus 1 for the time
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$columns_needed = array_sum($slotSizes) + 1;
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$table_line = array_fill(0, $columns_needed, ShiftCalendarRenderer::EMPTY_CELL);
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$table = array_fill(0, $blocks_per_slot, $table_line);
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/**
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* Renders a single lane
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*
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* @param ShiftCalendarLane $lane
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* The lane to render
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*/
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private function renderLane(ShiftCalendarLane $lane) {
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$html = "";
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$rendered_until = $this->getFirstBlockStartTime();
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foreach ($lane->getShifts() as $shift) {
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while ($rendered_until + ShiftCalendarRenderer::SECONDS_PER_ROW <= $shift['start']) {
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$html .= $this->renderTick($rendered_until);
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$rendered_until += ShiftCalendarRenderer::SECONDS_PER_ROW;
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}
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for ($block = 0; $block < $blocks_per_slot; $block ++) {
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$thistime = $first_block_start_time + ($block * ShiftCalendarRenderer::MINUTES_PER_ROW);
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if ($thistime % (24 * 60 * 60) == 23 * 60 * 60 && $this->shiftsFilter->getEndTime() - $this->shiftsFilter->getStartTime() > 24 * 60 * 60) {
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$table[$block][0] = '<th class="row-day">' . date('Y-m-d<b\r />H:i', $thistime) . '</th>';
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} elseif ($thistime % (60 * 60) == 0) {
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$table[$block][0] = '<th class="row-hour">' . date('H:i', $thistime) . '</th>';
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} else {
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$table[$block][0] = '<th class="empty"></th>';
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list($shift_height, $shift_html) = $this->renderShift($shift);
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$html .= $shift_html;
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$rendered_until += $shift_height * ShiftCalendarRenderer::SECONDS_PER_ROW;
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}
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while ($rendered_until <= $this->shiftsFilter->getEndTime()) {
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$html .= $this->renderTick($rendered_until);
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$rendered_until += ShiftCalendarRenderer::SECONDS_PER_ROW;
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}
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return $table;
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return div('lane', [
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div('header', $lane->getHeader()),
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$html
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]);
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}
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private function calcRoomSlots($rooms, $slotSizes) {
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$result = [];
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$slot = 1; // 1 for the time
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foreach (array_keys($rooms) as $room_id) {
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$result[$room_id] = $slot;
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$slot += $slotSizes[$room_id];
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/**
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* Renders a tick/block for given time
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*
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* @param int $time
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* unix timestamp
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* @param boolean $label
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* Should time labels be generated?
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* @return rendered tick html
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*/
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private function renderTick($time, $label = false) {
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if ($time % (24 * 60 * 60) == 23 * 60 * 60) {
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if (! $label) {
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return div('tick day');
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}
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return div('tick day', [
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date('Y-m-d<b\r />H:i', $time)
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]);
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} elseif ($time % (60 * 60) == 0) {
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if (! $label) {
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return div('tick hour');
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}
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return div('tick hour', [
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date('H:i', $time)
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]);
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}
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return div('tick');
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}
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return $result;
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/**
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* Renders the left time lane including hour/day ticks
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*/
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private function renderTimeLane() {
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$time_slot = [
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div('header', [
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_("Time")
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])
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];
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for ($block = 0; $block < $this->getBlocksPerSlot(); $block ++) {
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$thistime = $this->getFirstBlockStartTime() + ($block * ShiftCalendarRenderer::SECONDS_PER_ROW);
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$time_slot[] = $this->renderTick($thistime, true);
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}
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return div('lane time', $time_slot);
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}
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private function collides() {
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@ -172,15 +286,14 @@ class ShiftCalendarRenderer {
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$class = 'success';
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}
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$blocks = ceil(($shift["end"] - $shift["start"]) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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$blocks = ceil(($shift["end"] - $shift["start"]) / ShiftCalendarRenderer::SECONDS_PER_ROW);
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if ($blocks < 1) {
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$blocks = 1;
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}
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$shift_length = ($shift["end"] - $shift["start"]) / (60 * 60);
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$shift_heading = date('H:i', $shift['start']) . ' ‐ ' . date('H:i', $shift['end']) . ' — ' . ShiftType($shift['shifttype_id'])['name'];
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return [
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$blocks,
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'<td class="shift" rowspan="' . $blocks . '">' . div('panel panel-' . $class . '" style="min-height: ' . ($shift_length * 100) . 'px"', [
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'<td class="shift" rowspan="' . $blocks . '">' . div('shift panel panel-' . $class . '" style="height: ' . ($blocks * ShiftCalendarRenderer::BLOCK_HEIGHT - ShiftCalendarRenderer::MARGIN) . 'px"', [
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div('panel-heading', [
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'<a href="' . shift_link($shift) . '">' . $shift_heading . '</a>',
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$header_buttons
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@ -198,87 +311,18 @@ class ShiftCalendarRenderer {
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];
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}
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private function renderTableBody($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot) {
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$table = $this->initTableBody($slotSizes, $first_block_start_time, $blocks_per_slot);
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$room_slots = $this->calcRoomSlots($rooms, $slotSizes);
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foreach ($this->shifts as $shift) {
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list($blocks, $shift_content) = $this->renderShift($shift);
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$start_block = floor(($shift['start'] - $first_block_start_time) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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$slot = $room_slots[$shift['RID']];
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while ($table[$start_block][$slot] != ShiftCalendarRenderer::EMPTY_CELL) {
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$slot ++;
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}
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$table[$start_block][$slot] = $shift_content;
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for ($block = 1; $block < $blocks; $block ++) {
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$table[$start_block + $block][$slot] = '';
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}
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}
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$result = '<tbody>';
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foreach ($table as $table_line) {
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$result .= '<tr>' . join('', $table_line) . '</tr>';
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}
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$result .= '</tbody>';
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return $result;
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}
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private function renderTable($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot) {
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return div('shifts-table', [
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'<table id="shifts" class="table scrollable">',
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$this->renderTableHead($rooms, $slotSizes),
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$this->renderTableBody($rooms, $slotSizes, $first_block_start_time, $blocks_per_slot),
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'</table>'
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]);
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}
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/**
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* Calculates the slots for each room that appears in the shifts
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*/
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private function rooms() {
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$rooms = [];
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foreach ($this->shifts as $shift) {
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if (! isset($rooms[$shift['RID']])) {
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$rooms[$shift['RID']] = $shift['room_name'];
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}
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}
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return $rooms;
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}
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private function calcFirstBlockStartTime() {
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private function calcFirstBlockStartTime($shifts) {
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$start_time = $this->shiftsFilter->getEndTime();
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foreach ($this->shifts as $shift) {
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foreach ($shifts as $shift) {
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if ($shift['start'] < $start_time) {
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$start_time = $shift['start'];
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}
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}
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return ShiftCalendarRenderer::MINUTES_PER_ROW * floor(($start_time - 60 * 60) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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}
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private function calcBlocksPerSlot($first_block_start_time) {
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return ceil(($this->shiftsFilter->getEndTime() - $first_block_start_time) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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}
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private function calcSlotSizes($rooms, $first_block_start_time, $blocks_per_slot) {
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$parallel_blocks = [];
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// initialize $block array
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foreach (array_keys($rooms) as $room_id) {
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$parallel_blocks[$room_id] = array_fill(0, $blocks_per_slot, 0);
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}
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// calculate number of parallel shifts in each timeslot for each room
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foreach ($this->shifts as $shift) {
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$room_id = $shift["RID"];
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$shift_blocks = ($shift["end"] - $shift["start"]) / ShiftCalendarRenderer::MINUTES_PER_ROW;
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$firstblock = floor(($shift["start"] - $first_block_start_time) / ShiftCalendarRenderer::MINUTES_PER_ROW);
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for ($block = $firstblock; $block < $shift_blocks + $firstblock && $block < $blocks_per_slot; $block ++) {
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$parallel_blocks[$room_id][$block] ++;
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}
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return ShiftCalendarRenderer::SECONDS_PER_ROW * floor(($start_time - 60 * 60) / ShiftCalendarRenderer::SECONDS_PER_ROW);
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}
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return array_map('max', $parallel_blocks);
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private function calcBlocksPerSlot() {
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return ceil(($this->shiftsFilter->getEndTime() - $this->getFirstBlockStartTime()) / ShiftCalendarRenderer::SECONDS_PER_ROW);
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}
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}
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msquare
8 years ago