EH22/dokuwiki-template-sprintdoc-modified
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feat: add background-colors to SVG-dispatcher

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This extends the query with to parameters for the background:

b - wanted background color
bh - wanted background color on hover
This commit is contained in:
Michael Grosse 2017-01-11 14:42:51 +01:00
commit 80d784e1de
1 changed files with 74 additions and 3 deletions
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77
svg.php
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@ -24,6 +24,28 @@ class SvgNode extends \SimpleXMLElement {
return simplexml_import_dom($new, get_class($this));
}
/**
* @param \SimpleXMLElement $node the node to be added
* @return \SimpleXMLElement
*/
public function appendNode(\SimpleXMLElement $node) {
$dom = dom_import_simplexml($this);
$domNode = dom_import_simplexml($node);
$newNode = $dom->appendChild($domNode);
return simplexml_import_dom($newNode, get_class($this));
}
/**
* @param \SimpleXMLElement $node the child to remove
* @return \SimpleXMLElement
*/
public function removeChild(\SimpleXMLElement $node) {
$dom = dom_import_simplexml($node);
$dom->parentNode->removeChild($dom);
return $node;
}
}
/**
@ -32,6 +54,7 @@ class SvgNode extends \SimpleXMLElement {
class SVG {
const IMGDIR = __DIR__ . '/img/';
const BACKGROUNDCLASS = 'sprintdoc-background';
/** @var SvgNode */
protected $xml;
@ -62,6 +85,8 @@ class SVG {
* Generate and output
*/
public function out() {
$g = $this->wrapChildren();
$this->setBackground($g);
$this->setStyle();
header('image/svg+xml');
echo $this->xml->asXML();
@ -80,20 +105,31 @@ class SVG {
$colors = array(
's' => $this->fixColor($INPUT->str('s')),
'f' => $this->fixColor($INPUT->str('f')),
'b' => $this->fixColor($INPUT->str('b')),
'sh' => $this->fixColor($INPUT->str('sh')),
'fh' => $this->fixColor($INPUT->str('fh')),
'bh' => $this->fixColor($INPUT->str('bh')),
);
$style = '';
if (empty($colors['b'])) {
$colors['b'] = $this->fixColor('00000000');
}
$style = 'g rect.' . self::BACKGROUNDCLASS . '{fill:' . $colors['b'] . ';}';
if($colors['bh']) {
$style .= 'g:hover rect.' . self::BACKGROUNDCLASS . '{fill:' . $colors['bh'] . ';}';
}
if($colors['s'] || $colors['f']) {
$style .= $element . '{';
$style .= 'g ' . $element . '{';
if($colors['s']) $style .= 'stroke:' . $colors['s'] . ';';
if($colors['f']) $style .= 'fill:' . $colors['f'] . ';';
$style .= '}';
}
if($colors['sh'] || $colors['fh']) {
$style .= $element . ':hover{';
$style .= 'g:hover ' . $element . '{';
if($colors['sh']) $style .= 'stroke:' . $colors['sh'] . ';';
if($colors['fh']) $style .= 'fill:' . $colors['fh'] . ';';
$style .= '}';
@ -136,6 +172,41 @@ class SVG {
return "rgba($r,$g,$b,$a)";
}
/**
* sets a rectangular background of the size of the svg/this itself
*
* @param SvgNode $g
* @return SvgNode
*/
protected function setBackground(SvgNode $g) {
$attributes = $this->xml->attributes();
$rect = $g->prependChild('rect');
$rect->addAttribute('class', self::BACKGROUNDCLASS);
$rect->addAttribute('x', '0');
$rect->addAttribute('y', '0');
$rect->addAttribute('height', $attributes['height']);
$rect->addAttribute('width', $attributes['width']);
return $rect;
}
/**
* Wraps all elements of $this in a `<g>` tag
*
* @return SvgNode
*/
protected function wrapChildren() {
$svgChildren = array();
foreach ($this->xml->children() as $child) {
$svgChildren[] = $this->xml->removeChild($child);
}
$g = $this->xml->prependChild('g');
foreach ($svgChildren as $child) {
$g->appendNode($child);
}
return $g;
}
/**
* Apply the style to the SVG
*/