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add: support for multiselect in config form #296

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add: support for multiselect in config form #296

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2 changes: 1 addition & 1 deletion docs/api/responses/manifest.md
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,7 @@ When setting the `manifest.config` property, the landing page will redirect to `

``key`` - _required_ - string, a key that will identify the user chosen value

``type`` - _required_ - string, can be "text", "number", "password", "checkbox" or "select"
``type`` - _required_ - string, can be "text", "number", "password", "checkbox", "select" or "multiselect"

``default`` - _optional_ - string, the default value, for `type: "boolean"` this can be set to "checked" to default to enabled

Expand Down
158 changes: 155 additions & 3 deletions src/landingTemplate.js
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Original file line number Diff line number Diff line change
Expand Up @@ -163,6 +163,78 @@ button:active {
.full-width {
width: 100%;
}

.custom-dropdown {
position: relative;
display: inline-block;
width: 100%;
}

.custom-dropdown .dropdown-content {
top: 100%;
left: 0;
}

.dropdown-button {
background-color: #8A5AAB;
color: white;
padding: 1.2vh 3.5vh;
text-align: center;
cursor: pointer;
width: 100%;
border: none;
font-size: 2.2vh;
font-weight: 600;
box-shadow: 0 0.5vh 1vh rgba(0, 0, 0, 0.2);
}

.dropdown-button:hover {
box-shadow: none;
}

.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 100%;
box-shadow: 0 1vh 2vh rgba(0, 0, 0, 0.2);
z-index: 1;
max-height: 30vh;
overflow-y: auto;
}

.dropdown-content label {
display: block;
padding: 1vh;
cursor: pointer;
color: black;
}

.dropdown-content input {
margin-right: 1vh;
}

.show {
display: block !important;
}

.selected-items {
margin-top: 1vh;
padding: 1vh;
background-color: #333;
color: white;
border-radius: 0.5vh;
}

.selected-item {
display: inline-block;
background-color: #8A5AAB;
color: white;
padding: 0.5vh 1vh;
margin-right: 1vh;
margin-bottom: 1vh;
border-radius: 0.5vh;
}
`

function landingTemplate(manifest) {
Expand Down Expand Up @@ -203,6 +275,30 @@ function landingTemplate(manifest) {
</label>
</div>
`
} else if (elem.type === 'multiselect') {
options += `
<div class="form-element">
<div class="label-to-top">${elem.title}</div>
<div class="custom-dropdown">
<div id="${key}-dropdown" class="dropdown-button">Select Options</div>
<div id="${key}-options" class="dropdown-content">
`
const selections = elem.options || []
const defaultValues = elem.default || []
selections.forEach(el => {
const isChecked = defaultValues.includes(el) ? ' checked' : ''
options += `
<label>
<input type="checkbox" value="${el}"${isChecked}> ${el}
</label>
`
})
options += `
</div>
</div>
<div id="${key}-selected-items" class="selected-items"></div>
</div>
`
} else if (elem.type === 'select') {
const defaultValue = elem.default || (elem.options || [])[0]
options += `<div class="form-element">
Expand All @@ -215,8 +311,8 @@ function landingTemplate(manifest) {
options += `<option value="${el}"${isSelected}>${el}</option>`
})
options += `</select>
</div>
`
</div>
`
}
})
if (options.length) {
Expand All @@ -231,10 +327,65 @@ function landingTemplate(manifest) {
installLink.onclick = () => {
return mainForm.reportValidity()
}

const updateSelectedItems = (selectElement, selectedItemsContainer) => {
selectedItemsContainer.innerHTML = ''
const selectedOptions = []
selectElement.querySelectorAll('input[type="checkbox"]').forEach(checkbox => {
if (checkbox.checked) {
selectedOptions.push(checkbox.value)
const itemDiv = document.createElement('div')
itemDiv.classList.add('selected-item')
itemDiv.textContent = checkbox.value
selectedItemsContainer.appendChild(itemDiv)
}
})
return selectedOptions
}

const updateLink = () => {
const config = Object.fromEntries(new FormData(mainForm))
const config = Object.fromEntries(new FormData(mainForm).entries())
const multiSelects = Array.from(mainForm.querySelectorAll('.custom-dropdown'))
multiSelects.forEach(select => {
const selectId = select.querySelector('.dropdown-button').id.replace('-dropdown', '')
const selectedValues = updateSelectedItems(select.querySelector('.dropdown-content'), document.getElementById(selectId + '-selected-items'))
config[selectId] = selectedValues
})
installLink.href = 'stremio://' + window.location.host + '/' + encodeURIComponent(JSON.stringify(config)) + '/manifest.json'
}

document.querySelectorAll('.dropdown-button').forEach(button => {
const selectElement = document.getElementById(button.id.replace('-dropdown', '-options'))
const selectedItemsContainer = document.getElementById(button.id.replace('-dropdown', '-selected-items'))
button.onclick = (event) => {
event.stopPropagation()
selectElement.classList.toggle('show')
const dropdownRect = selectElement.getBoundingClientRect()
const dropdownHeight = dropdownRect.height

if (dropdownRect.bottom > window.innerHeight) {
selectElement.style.top = "-" + dropdownHeight + "px"
} else {
selectElement.style.top = '100%'
}
}
selectElement.querySelectorAll('input[type="checkbox"]').forEach(checkbox => {
checkbox.onchange = () => {
updateSelectedItems(selectElement, selectedItemsContainer)
updateLink()
}
})
})

document.onclick = (event) => {
const isDropdownButton = event.target.classList.contains('dropdown-button')
document.querySelectorAll('.dropdown-content').forEach(dropdown => {
if (!dropdown.contains(event.target) && !isDropdownButton) {
dropdown.classList.remove('show')
}
})
}

mainForm.onchange = updateLink
`
}
Expand Down Expand Up @@ -292,3 +443,4 @@ function landingTemplate(manifest) {
}

module.exports = landingTemplate