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phab/src/view/control/table/AphrontTableView.php
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AphrontTableView.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
final class AphrontTableView extends AphrontView {
protected $data;
protected $headers;
protected $rowClasses = array();
protected $columnClasses = array();
protected $zebraStripes = true;
protected $noDataString;
protected $className;
protected $columnVisibility = array();
protected $sortURI;
protected $sortParam;
protected $sortSelected;
protected $sortReverse;
protected $sortValues;
public function __construct(array $data) {
$this->data = $data;
}
public function setHeaders(array $headers) {
$this->headers = $headers;
return $this;
}
public function setColumnClasses(array $column_classes) {
$this->columnClasses = $column_classes;
return $this;
}
public function setRowClasses(array $row_classes) {
$this->rowClasses = $row_classes;
return $this;
}
public function setNoDataString($no_data_string) {
$this->noDataString = $no_data_string;
return $this;
}
public function setClassName($class_name) {
$this->className = $class_name;
return $this;
}
public function setZebraStripes($zebra_stripes) {
$this->zebraStripes = $zebra_stripes;
return $this;
}
public function setColumnVisibility(array $visibility) {
$this->columnVisibility = $visibility;
return $this;
}
/**
* Parse a sorting parameter:
*
* list($sort, $reverse) = AphrontTableView::parseSortParam($sort_param);
*
* @param string Sort request parameter.
* @return pair Sort value, sort direction.
*/
public static function parseSort($sort) {
return array(ltrim($sort, '-'), preg_match('/^-/', $sort));
}
public function makeSortable(
PhutilURI $base_uri,
$param,
$selected,
$reverse,
array $sort_values) {
$this->sortURI = $base_uri;
$this->sortParam = $param;
$this->sortSelected = $selected;
$this->sortReverse = $reverse;
$this->sortValues = array_values($sort_values);
return $this;
}
public function render() {
require_celerity_resource('aphront-table-view-css');
$table_class = $this->className;
if ($table_class !== null) {
$table_class = ' class="aphront-table-view '.$table_class.'"';
} else {
$table_class = ' class="aphront-table-view"';
}
$table = array('<table'.$table_class.'>');
$col_classes = array();
foreach ($this->columnClasses as $key => $class) {
if (strlen($class)) {
$col_classes[] = $class;
} else {
$col_classes[] = null;
}
}
$visibility = array_values($this->columnVisibility);
$headers = $this->headers;
$sort_values = $this->sortValues;
if ($headers) {
while (count($headers) > count($visibility)) {
$visibility[] = true;
}
while (count($headers) > count($sort_values)) {
$sort_values[] = null;
}
$table[] = '<tr>';
foreach ($headers as $col_num => $header) {
if (!$visibility[$col_num]) {
continue;
}
$classes = array();
if (!empty($col_classes[$col_num])) {
$classes[] = $col_classes[$col_num];
}
if ($sort_values[$col_num] !== null) {
$classes[] = 'aphront-table-view-sortable';
$sort_value = $sort_values[$col_num];
$sort_glyph = "\xE2\x86\x93";
if ($sort_value == $this->sortSelected) {
if ($this->sortReverse) {
$sort_glyph = "\xE2\x86\x91";
} else if (!$this->sortReverse) {
$sort_value = '-'.$sort_value;
}
$classes[] = 'aphront-table-view-sortable-selected';
}
$sort_glyph = phutil_render_tag(
'span',
array(
'class' => 'aphront-table-view-sort-glyph',
),
$sort_glyph);
$header = phutil_render_tag(
'a',
array(
'href' => $this->sortURI->alter($this->sortParam, $sort_value),
'class' => 'aphront-table-view-sort-link',
),
$sort_glyph.' '.$header);
}
if ($classes) {
$class = ' class="'.implode(' ', $classes).'"';
} else {
$class = null;
}
$table[] = '<th'.$class.'>'.$header.'</th>';
}
$table[] = '</tr>';
}
foreach ($col_classes as $key => $value) {
if (($sort_values[$key] !== null) &&
($sort_values[$key] == $this->sortSelected)) {
$value = trim($value.' sorted-column');
}
if ($value !== null) {
$col_classes[$key] = ' class="'.$value.'"';
}
}
$data = $this->data;
if ($data) {
$row_num = 0;
foreach ($data as $row) {
while (count($row) > count($col_classes)) {
$col_classes[] = null;
}
while (count($row) > count($visibility)) {
$visibility[] = true;
}
$class = idx($this->rowClasses, $row_num);
if ($this->zebraStripes && ($row_num % 2)) {
if ($class !== null) {
$class = 'alt alt-'.$class;
} else {
$class = 'alt';
}
}
if ($class !== null) {
$class = ' class="'.$class.'"';
}
$table[] = '<tr'.$class.'>';
// NOTE: Use of a separate column counter is to allow this to work
// correctly if the row data has string or non-sequential keys.
$col_num = 0;
foreach ($row as $value) {
if (!$visibility[$col_num]) {
++$col_num;
continue;
}
$class = $col_classes[$col_num];
if ($class !== null) {
$table[] = '<td'.$class.'>';
} else {
$table[] = '<td>';
}
$table[] = $value.'</td>';
++$col_num;
}
++$row_num;
}
} else {
$colspan = max(count($headers), 1);
$table[] =
'<tr class="no-data"><td colspan="'.$colspan.'">'.
coalesce($this->noDataString, 'No data available.').
'</td></tr>';
}
$table[] = '</table>';
return implode('', $table);
}
public static function renderSingleDisplayLine($line) {
// TODO: Is there a cleaner way to do this? We use a relative div with
// overflow hidden to provide the bounds, and an absolute span with
// white-space: pre to prevent wrapping. We need to append a character
// (&nbsp; -- nonbreaking space) afterward to give the bounds div height
// (alternatively, we could hard-code the line height). This is gross but
// it's not clear that there's a better appraoch.
return phutil_render_tag(
'div',
array(
'class' => 'single-display-line-bounds',
),
phutil_render_tag(
'span',
array(
'class' => 'single-display-line-content',
),
$line).'&nbsp;');
}
}
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