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e3bdc391cd
This certainly should not be seen as the final implementation of this. I imagine that requests like this will happen for many other colors in the system, it might be good at some point to allow them to upload their own stylesheet to be used.
99 lines
2.7 KiB
PHP
99 lines
2.7 KiB
PHP
<?php
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namespace BookStack\Http\Controllers;
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use Illuminate\Http\Request;
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use BookStack\Http\Requests;
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use BookStack\Http\Controllers\Controller;
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use Setting;
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class SettingController extends Controller
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{
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/**
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* Display a listing of the settings.
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*
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* @return Response
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*/
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public function index()
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{
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$this->checkPermission('settings-update');
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$this->setPageTitle('Settings');
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return view('settings/index');
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}
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/**
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* Update the specified settings in storage.
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*
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* @param Request $request
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* @return Response
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*/
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public function update(Request $request)
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{
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$this->preventAccessForDemoUsers();
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$this->checkPermission('settings-update');
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// Cycles through posted settings and update them
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foreach($request->all() as $name => $value) {
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if(strpos($name, 'setting-') !== 0) continue;
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$key = str_replace('setting-', '', trim($name));
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if($key == 'app-color') {
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Setting::put('app-color-rgba', $this->hex2rgba($value, 0.15));
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}
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Setting::put($key, $value);
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}
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session()->flash('success', 'Settings Saved');
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return redirect('/settings');
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}
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/**
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* Adapted from http://mekshq.com/how-to-convert-hexadecimal-color-code-to-rgb-or-rgba-using-php/
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* Converts a hex color code in to an RGBA string.
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*
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* @param string $color
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* @param float|boolean $opacity
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* @return boolean|string
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*/
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protected function hex2rgba($color, $opacity = false)
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{
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// Return false if no color provided
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if(empty($color)) {
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return false;
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}
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// Trim any whitespace
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$color = trim($color);
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// Sanitize $color if "#" is provided
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if($color[0] == '#' ) {
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$color = substr($color, 1);
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}
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// Check if color has 6 or 3 characters and get values
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if(strlen($color) == 6) {
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$hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
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} elseif( strlen( $color ) == 3 ) {
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$hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
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} else {
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return false;
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}
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// Convert hexadec to rgb
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$rgb = array_map('hexdec', $hex);
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// Check if opacity is set(rgba or rgb)
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if($opacity) {
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if(abs($opacity) > 1)
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$opacity = 1.0;
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$output = 'rgba('.implode(",",$rgb).','.$opacity.')';
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} else {
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$output = 'rgb('.implode(",",$rgb).')';
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}
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// Return rgb(a) color string
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return $output;
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}
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}
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