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139 lines
3.5 KiB
139 lines
3.5 KiB
<?php
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namespace App\View;
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/**
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* Widget
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*
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* @property-read string $name
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* @property-read string $id
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* @property-read string $label
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* @property-read string|null $help
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* @property-read string|null $value
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* @property-read string $attributes
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* @property-read int $labelCols
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* @property-read int $fieldCols
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*/
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class Widget
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{
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protected $attributesArray = [],
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$id, $name, $label, $value,
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$viewName, // view to use inside the form namespace
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$help, // help button with tooltip
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$prepend, $append, // input-group (add-ons)
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$labelCols, $fieldCols, // grid layout setting (label/field cols)
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$styleArray = [];
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public function __construct($viewName, $name, $label)
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{
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$this->id = 'field-'.$name;
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$this->name = $name;
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$this->label = $label;
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$this->viewName = $viewName;
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}
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// setting attributes via magic method
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public function __call($method, $args)
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{
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static $cssProps = [
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'height', 'minHeight', 'maxHeight'
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];
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if (empty($args)) $args = [null];
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$arg = $args[0];
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// css
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$lccamel = $method;
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if (in_array($lccamel, $cssProps)) {
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return $this->css(kebab_case($lccamel), $arg);
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}
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if (property_exists($this, $method)) {
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$this->$method = $arg;
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}
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else {
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$this->attributesArray[kebab_case($method)] = $arg;
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}
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return $this;
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}
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/** Explicitly set a CSS rule */
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public function css($prop, $val)
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{
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$this->styleArray[$prop] = $val;
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return $this;
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}
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/** Explicitly set an attribute */
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public function attr($attr, $val)
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{
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$this->attributesArray[$attr] = $val;
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return $this;
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}
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/** Configure a text field for automatic alias generation */
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public function autoAlias($targetName, $delimiter='_')
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{
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return $this->attr('data-autoalias', $targetName)->attr('data-aa-delimiter', $delimiter);
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}
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/** Apply a given layout (bootstrap grid, 12 cols total) */
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public function layout($labelCols, $fieldCols)
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{
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$this->labelCols = $labelCols;
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$this->fieldCols = $fieldCols;
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return $this;
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}
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public function __get($name)
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{
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if ($name == 'attributes') {
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return $this->compileAttribs();
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}
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if ($name == 'value') {
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return old($this->name, $this->value);
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}
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if (property_exists($this, $name)) {
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return $this->$name;
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}
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return null;
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}
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public function compileAttribs()
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{
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// compile attribs string
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$attribs_s = array_reduce(array_keys($this->attributesArray), function ($carry, $key) {
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if ($this->attributesArray[$key] === null) {
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// simple attribs like 'required'
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return $carry . ' ' . $key;
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} else {
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return $carry . ' ' . $key . '="' . e($this->attributesArray[$key]) . '"';
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}
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}, '');
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// add a compiled list of styles
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if (!empty($this->styleArray)) {
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$attribs_s .= ' style="'.trim(e(array_reduce(array_keys($this->styleArray), function ($carry, $key) {
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return $carry . $key . ': ' . $this->styleArray[$key] . '; ';
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}, ''))).'"';
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}
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return trim($attribs_s);
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}
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public function render()
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{
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return view('form.'.$this->viewName)->with(['w' => $this]);
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}
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public function __toString()
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{
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return (string) $this->render();
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}
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}
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