Add Multiselektions-Pulldown pattern with existing interactive components

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2026-05-19 15:38:11 +02:00
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<li><a href="./patterns/content-cards-group.html">Content Cards Group</a></li>
<li><a href="./patterns/card-gruppe-mit-tastennavigation.html">Card Gruppe mit Tastennavigation</a></li>
<li><a href="./patterns/formular-mit-abschnitten.html">Formular mit Abschnitten</a></li>
<li><a href="./patterns/multiselektions-pulldown.html">Multiselektions-Pulldown</a></li>
</ul>
</section>
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<!doctype html>
<html lang="de">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Styleguide Pattern Multiselektions-Pulldown</title>
<link rel="stylesheet" href="../styleguide.css">
</head>
<body>
<h1 class="sg-main-heading">Pattern Multiselektions-Pulldown</h1>
<section id="pattern-multiselektions-pulldown">
<p class="sg-preview-label">Pattern: Multiselektions-Pulldown</p>
<div class="sg-options-row" aria-label="Multiselektions-Pulldown Wrapper" data-pattern="multiselektions-pulldown">
<div class="sg-options-row__left" data-pattern-part="multiselektions-pulldown-trigger-area">
<div class="sg-pulldown-demo" data-open="false" data-align="left" data-selection-mode="multiple" data-component="pulldown" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-activatable-control">
<button class="sg-interaction-element sg-pulldown sg-pulldown--inactive-selectable sg-pulldown-demo__trigger" type="button" aria-expanded="false" aria-label="Multiselektions-Pulldown ohne aktive Auswahl" data-label-base="Multiselektions-Pulldown" data-component-part="pulldown-trigger">
Multiselektions-Pulldown
</button>
<button class="sg-activatable-remove" type="button" aria-label="Multiselektions-Pulldown entfernen" data-pulldown-activate-remove hidden>×</button>
</span>
<div class="sg-pulldown-panel" aria-label="Geöffnetes Multiselektions-Pulldown" data-component-part="pulldown-panel">
<div class="sg-form-sections-card-wrapper" data-pattern="form-sections" aria-label="Multiselektions-Inhalt">
<form class="sg-form-sections-card" action="#" method="post">
<div class="sg-form-sections-card__body" data-pattern-part="form-body">
<section class="sg-form-sections-card__chapter" aria-labelledby="multiselect-block-1">
<h2 id="multiselect-block-1" class="sg-strong sg-form-sections-card__chapter-title">Block 1</h2>
<label class="sg-checkbox-field-option sg-checkbox-field-option--inactive-selectable sg-body" data-component="checkbox-field" data-component-state="inactive-selectable" data-activatable="true">
<button class="sg-checkbox-field sg-checkbox-field--inactive-selectable" type="button" role="checkbox" aria-checked="false" aria-label="Checkbox 1 wählen" data-pulldown-option>
<span class="sg-checkbox-field__mark" aria-hidden="true"></span>
</button>
<span>Checkbox 1</span>
<button class="sg-activatable-remove" type="button" aria-label="Checkbox 1 entfernen" data-checkbox-activate-remove hidden>×</button>
</label>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 1</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="6.5" aria-label="Slider 1 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-1">6.5</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 1 entfernen" data-slider-activate-remove hidden>×</button>
</label>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 2</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="9.5" aria-label="Slider 2 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-2">9.5</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 2 entfernen" data-slider-activate-remove hidden>×</button>
</label>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 3</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="5.0" aria-label="Slider 3 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-3">5.0</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 3 entfernen" data-slider-activate-remove hidden>×</button>
</label>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 4</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="6.5" aria-label="Slider 4 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-4">6.5</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 4 entfernen" data-slider-activate-remove hidden>×</button>
</label>
</section>
<section class="sg-form-sections-card__chapter" aria-labelledby="multiselect-block-2">
<h2 id="multiselect-block-2" class="sg-strong sg-form-sections-card__chapter-title">Block 2</h2>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 5</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="3.0" aria-label="Slider 5 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-5">3.0</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 5 entfernen" data-slider-activate-remove hidden>×</button>
</label>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 6</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="2.5" aria-label="Slider 6 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-6">2.5</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 6 entfernen" data-slider-activate-remove hidden>×</button>
</label>
<label class="sg-slider-row sg-slider-row--inactive-selectable" data-component="slider" data-component-state="inactive-selectable" data-activatable="true">
<span class="sg-label">Slider 7</span>
<input class="sg-interaction-element sg-slider sg-form-inactive-selectable" type="range" min="1" max="10" step="0.1" value="1.6" aria-label="Slider 7 von 1 bis 10">
<output class="sg-slider-value sg-body" for="slider-7">1.6</output>
<button class="sg-activatable-remove" type="button" aria-label="Slider 7 entfernen" data-slider-activate-remove hidden>×</button>
</label>
</section>
<section class="sg-form-sections-card__chapter" aria-labelledby="multiselect-block-3">
<h2 id="multiselect-block-3" class="sg-strong sg-form-sections-card__chapter-title">Block 3</h2>
<label class="sg-checkbox-field-option sg-checkbox-field-option--inactive-selectable sg-body sg-radio-activatable-group" data-component="radio-field" data-component-state="inactive-selectable" data-activatable="true" data-activatable-radio-group="true">
<span class="sg-radio-activatable-group__choices">
<span class="sg-radio-activatable-group__choice">
<button class="sg-radio-field sg-radio-field--inactive-selectable" type="button" role="radio" aria-checked="false" aria-label="Radio 1 wählen">
<span class="sg-radio-field__mark" aria-hidden="true"></span>
</button>
<span>Radio 1</span>
</span>
<span class="sg-radio-activatable-group__choice">
<button class="sg-radio-field sg-radio-field--inactive-selectable" type="button" role="radio" aria-checked="false" aria-label="Radio 2 wählen">
<span class="sg-radio-field__mark" aria-hidden="true"></span>
</button>
<span>Radio 2</span>
</span>
</span>
<button class="sg-activatable-remove" type="button" aria-label="Radio-Auswahl entfernen" data-radio-activate-remove hidden>×</button>
</label>
<div class="sg-pulldown-panel__row sg-pulldown-panel__row--disabled" data-pulldown-filter-row data-active="false" data-component-part="pulldown-filter-row">
<p class="sg-pulldown-panel__label sg-body">Pulldown 1</p>
<select class="sg-interaction-element sg-pulldown" aria-label="Pulldown 1 Auswahl">
<option selected>Option 1</option>
<option>Option 2</option>
<option>Option 3</option>
</select>
<button class="sg-pulldown-panel__remove" type="button" aria-label="Pulldown 1 entfernen" hidden>×</button>
</div>
</section>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
</section>
<script>
(() => {
const updatePulldownSelectionState = (demo) => {
const trigger = demo.querySelector('.sg-pulldown-demo__trigger');
const selectableOptions = demo.querySelectorAll('[data-pulldown-option]');
const activatableRemove = demo.querySelector('[data-pulldown-activate-remove]');
if (!trigger || selectableOptions.length === 0) {
return;
}
const selectedCount = Array.from(selectableOptions).filter((option) => {
return option.getAttribute('aria-checked') === 'true';
}).length;
const labelBase = trigger.dataset.labelBase || 'Auswahl';
trigger.textContent = selectedCount > 0 ? `${labelBase} (${selectedCount})` : labelBase;
trigger.classList.toggle('sg-pulldown--selected', selectedCount > 0);
trigger.classList.toggle('sg-form-active', selectedCount > 0);
trigger.classList.toggle('sg-pulldown--inactive-selectable', selectedCount === 0);
if (activatableRemove) {
activatableRemove.hidden = selectedCount === 0;
}
trigger.setAttribute(
'aria-label',
selectedCount > 0 ? `${labelBase} mit aktiver Auswahl` : `${labelBase} ohne aktive Auswahl`
);
};
document.querySelectorAll('.sg-slider-row').forEach((row) => {
const slider = row.querySelector('.sg-slider');
const valueOutput = row.querySelector('.sg-slider-value');
const removeButton = row.querySelector('[data-slider-activate-remove]');
if (!slider || !valueOutput) {
return;
}
const updateSliderState = () => {
const min = Number(slider.min || 0);
const max = Number(slider.max || 100);
const value = Number(slider.value || 0);
const denominator = max - min;
const progress = denominator > 0 ? ((value - min) / denominator) * 100 : 0;
slider.style.setProperty('--sg-slider-progress', `${progress}%`);
valueOutput.textContent = value.toFixed(1);
};
slider.addEventListener('input', () => {
if (row.dataset.activatable === 'true' && row.dataset.componentState === 'inactive-selectable') {
row.dataset.componentState = 'active';
row.classList.remove('sg-slider-row--inactive-selectable');
slider.classList.remove('sg-form-inactive-selectable');
slider.classList.add('sg-form-active');
if (removeButton) {
removeButton.hidden = false;
}
}
updateSliderState();
});
updateSliderState();
});
document.querySelectorAll('.sg-checkbox-field').forEach((checkbox) => {
checkbox.addEventListener('click', (event) => {
event.stopPropagation();
if (checkbox.disabled) {
return;
}
const activatableOption = checkbox.closest('[data-component="checkbox-field"][data-activatable="true"]');
if (activatableOption) {
checkbox.setAttribute('aria-checked', 'true');
checkbox.classList.add('sg-form-active');
checkbox.classList.remove('sg-checkbox-field--inactive-selectable');
activatableOption.dataset.componentState = 'active';
const removeButton = activatableOption.querySelector('[data-checkbox-activate-remove]');
if (removeButton) {
removeButton.hidden = false;
}
}
const pulldownDemo = checkbox.closest('.sg-pulldown-demo');
if (pulldownDemo) {
updatePulldownSelectionState(pulldownDemo);
pulldownDemo.dataset.open = 'true';
const trigger = pulldownDemo.querySelector('.sg-pulldown-demo__trigger');
if (trigger) {
trigger.setAttribute('aria-expanded', 'true');
}
}
});
});
document.querySelectorAll('.sg-radio-field').forEach((radio) => {
radio.addEventListener('click', (event) => {
event.stopPropagation();
if (radio.disabled) {
return;
}
const activatableGroup = radio.closest('[data-activatable-radio-group="true"]');
if (!activatableGroup) {
return;
}
const radios = activatableGroup.querySelectorAll('.sg-radio-field');
radios.forEach((otherRadio) => {
otherRadio.setAttribute('aria-checked', String(otherRadio === radio));
otherRadio.classList.remove('sg-radio-field--inactive-selectable');
otherRadio.classList.toggle('sg-form-active', otherRadio === radio);
});
activatableGroup.dataset.componentState = 'active';
const removeButton = activatableGroup.querySelector('[data-radio-activate-remove]');
if (removeButton) {
removeButton.hidden = false;
}
});
});
document.querySelectorAll('.sg-pulldown-demo').forEach((demo) => {
const trigger = demo.querySelector('.sg-pulldown-demo__trigger');
if (!trigger) {
return;
}
trigger.addEventListener('click', (event) => {
event.stopPropagation();
const nextState = demo.dataset.open !== 'true';
if (demo.dataset.activatable === 'true') {
const activatableRemove = demo.querySelector('[data-pulldown-activate-remove]');
trigger.classList.add('sg-pulldown--selected', 'sg-form-active');
trigger.classList.remove('sg-pulldown--inactive-selectable');
if (activatableRemove) {
activatableRemove.hidden = false;
}
}
document.querySelectorAll('.sg-pulldown-demo').forEach((otherDemo) => {
const otherTrigger = otherDemo.querySelector('.sg-pulldown-demo__trigger');
otherDemo.dataset.open = 'false';
if (otherTrigger) {
otherTrigger.setAttribute('aria-expanded', 'false');
}
});
demo.dataset.align = 'left';
demo.dataset.open = String(nextState);
trigger.setAttribute('aria-expanded', String(nextState));
if (!nextState) {
return;
}
const panel = demo.querySelector('.sg-pulldown-panel');
if (!panel) {
return;
}
const panelRect = panel.getBoundingClientRect();
if (panelRect.right > window.innerWidth) {
demo.dataset.align = 'right';
}
const alignedPanelRect = panel.getBoundingClientRect();
if (alignedPanelRect.left < 0) {
demo.dataset.align = 'left';
}
});
});
document.querySelectorAll('[data-pulldown-activate-remove]').forEach((removeButton) => {
removeButton.addEventListener('click', (event) => {
event.stopPropagation();
const demo = removeButton.closest('.sg-pulldown-demo');
const trigger = demo ? demo.querySelector('.sg-pulldown-demo__trigger') : null;
if (!demo || !trigger) {
return;
}
demo.querySelectorAll('[data-pulldown-option]').forEach((option) => {
option.setAttribute('aria-checked', 'false');
});
demo.dataset.componentState = 'inactive-selectable';
demo.dataset.open = 'false';
trigger.setAttribute('aria-expanded', 'false');
updatePulldownSelectionState(demo);
});
});
document.querySelectorAll('[data-checkbox-activate-remove]').forEach((removeButton) => {
removeButton.addEventListener('click', (event) => {
event.stopPropagation();
const option = removeButton.closest('[data-component="checkbox-field"][data-activatable="true"]');
const checkbox = option ? option.querySelector('.sg-checkbox-field') : null;
if (!option || !checkbox) {
return;
}
option.dataset.componentState = 'inactive-selectable';
checkbox.setAttribute('aria-checked', 'false');
checkbox.classList.remove('sg-form-active');
checkbox.classList.add('sg-checkbox-field--inactive-selectable');
removeButton.hidden = true;
const pulldownDemo = option.closest('.sg-pulldown-demo');
if (pulldownDemo) {
updatePulldownSelectionState(pulldownDemo);
}
});
});
document.querySelectorAll('[data-radio-activate-remove]').forEach((removeButton) => {
removeButton.addEventListener('click', (event) => {
event.stopPropagation();
const option = removeButton.closest('[data-activatable-radio-group="true"]');
const radios = option ? option.querySelectorAll('.sg-radio-field') : null;
if (!option || !radios || radios.length === 0) {
return;
}
option.dataset.componentState = 'inactive-selectable';
radios.forEach((radio) => {
radio.setAttribute('aria-checked', 'false');
radio.classList.remove('sg-form-active');
radio.classList.add('sg-radio-field--inactive-selectable');
});
removeButton.hidden = true;
});
});
document.querySelectorAll('[data-slider-activate-remove]').forEach((removeButton) => {
removeButton.addEventListener('click', (event) => {
event.stopPropagation();
const row = removeButton.closest('.sg-slider-row[data-activatable="true"]');
const slider = row ? row.querySelector('.sg-slider') : null;
if (!row || !slider) {
return;
}
row.dataset.componentState = 'inactive-selectable';
row.classList.add('sg-slider-row--inactive-selectable');
slider.classList.remove('sg-form-active');
slider.classList.add('sg-form-inactive-selectable');
removeButton.hidden = true;
});
});
document.querySelectorAll('[data-pulldown-filter-row]').forEach((row) => {
const select = row.querySelector('.sg-pulldown');
const removeButton = row.querySelector('.sg-pulldown-panel__remove');
if (!select || !removeButton) {
return;
}
const updateFilterRowState = () => {
const isActive = row.dataset.active === 'true';
row.classList.toggle('sg-pulldown-panel__row--disabled', !isActive);
select.classList.toggle('sg-pulldown--selected', isActive);
select.classList.toggle('sg-pulldown--inactive-selectable', !isActive);
removeButton.hidden = !isActive;
};
row.addEventListener('click', () => {
if (row.dataset.active !== 'true') {
row.dataset.active = 'true';
updateFilterRowState();
}
});
select.addEventListener('click', (event) => {
event.stopPropagation();
});
select.addEventListener('change', () => {
row.dataset.active = 'true';
updateFilterRowState();
});
removeButton.addEventListener('click', (event) => {
event.stopPropagation();
row.dataset.active = 'false';
updateFilterRowState();
});
updateFilterRowState();
});
document.addEventListener('click', (event) => {
if (event.target.closest('.sg-pulldown-demo')) {
return;
}
document.querySelectorAll('.sg-pulldown-demo').forEach((demo) => {
const trigger = demo.querySelector('.sg-pulldown-demo__trigger');
demo.dataset.open = 'false';
if (trigger) {
trigger.setAttribute('aria-expanded', 'false');
}
});
});
document.querySelectorAll('.sg-pulldown-demo').forEach(updatePulldownSelectionState);
})();
</script>
</body>
</html>