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cloudinary-selector.js
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cloudinary-selector.js
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var config = null;
var currentValue = null;
var isDisabled = true;
var isVisible = false;
function updateDisabled(disabled) {
const elements = $(".selector").add(".remove").add(".spacer");
if (disabled) {
elements.hide();
} else {
elements.show();
}
isDisabled = disabled;
updateSize();
}
function renderSelected(images) {
const $selected = $(".selected").empty();
const $titleText = $(".title").find(".text");
const $clear = $(".btn--destructive").hide();
if (images && images.length) {
$titleText.text("Selected assets");
$titleText.addClass("title--selected");
$clear.show();
for (var i = 0; i < images.length; i++) {
const image = images[i];
if (image && image.public_id) {
imageTile($selected, image);
}
}
} else {
$titleText.text("No assets selected");
$titleText.removeClass("title--selected");
}
updateSize();
}
function updateValue(images, removeEvent = false) {
// Send updated value to Kentico (send null in case of the empty string => element will not meet required condition).
if (!isDisabled) {
if (images && images.length) {
if(currentValue && !removeEvent) {
currentValue = currentValue.concat(images);
const ids = currentValue.map(o => o.public_id);
currentValue = currentValue.filter((image, index) => !ids.includes(image.public_id, index + 1))
} else {
currentValue = images;
}
CustomElement.setValue(JSON.stringify(currentValue));
renderSelected(currentValue);
} else {
currentValue = null;
CustomElement.setValue(null);
renderSelected(null);
}
}
}
function remove(public_id) {
const images = currentValue || [];
const newImages = images.filter((image) => image.public_id !== public_id);
updateValue(newImages, true);
}
function imageTile($parent, item) {
const $tile = $(
`<div class="tile" title="${item.public_id}"></div>`
).appendTo($parent);
const $actions = $('<div class="actions"></div>').appendTo($tile);
$(
`<div class="action remove" title="Remove"><i class="icon-remove"></i></div>`
)
.appendTo($actions)
.click(function () {
remove(item.public_id);
});
var previewUrl = null;
var thumbnail = "thumbnail";
switch(item.resource_type) {
case 'image':
if (item.format === 'pdf') {
previewUrl = changeExt(item.secure_url, ".jpg");
break;
}
previewUrl = item.secure_url;
break;
case 'video':
previewUrl = changeExt(item.secure_url, ".jpg");
break;
case 'raw':
previewUrl = 'noPreview.png';
thumbnail = 'thumbnail-small';
break;
}
if (previewUrl) {
const $preview = $('<div class="preview"></div>').appendTo($tile);
$('<img draggable="false" />')
.attr("src", previewUrl)
.attr("class", thumbnail)
.appendTo($preview)
.on("load", updateSize);
} else {
$('<div class="noimage">No image available</div>').appendTo($tile);
}
const $info = $(`<div class="info"></div>`).appendTo($tile);
$(`<div class="name">${item.public_id}</div>`).appendTo($info);
updateSize();
}
function changeExt(fileName, newExt) {
var pos = fileName.includes(".") ? fileName.lastIndexOf(".") : fileName.length
var fileRoot = fileName.substr(0, pos)
var output = `${fileRoot}${newExt}`
return output
}
function setupSelector(value) {
$(".clear").click(function () {
updateValue(null);
});
if (value) {
currentValue = JSON.parse(value);
renderSelected(currentValue);
} else {
renderSelected(null);
}
// Reacts to window resize to adjust the height
window.addEventListener("resize", updateSize);
}
function updateSize() {
// Update the custom element height in the Kentico UI.
const height = isVisible ?
(window.screen.height - 300) :
Math.ceil($("html").height());
CustomElement.setHeight(height);
}
function initCustomElement() {
try {
CustomElement.init((element, _context) => {
// Setup with initial value and disabled state
config = element.config || {};
window.ml = cloudinary.createMediaLibrary(
{
cloud_name: config.cloudName,
api_key: config.apiKey,
button_class: "btn btn--primary",
button_caption: "Select Assets",
},
{
insertHandler: function (data) {
isVisible = false;
updateValue(data.assets);
},
showHandler: () => {
isVisible = true;
updateSize();
},
hideHandler: () => {
isVisible = false;
updateSize();
},
},
document.getElementById("open-btn")
);
setupSelector(element.value);
updateDisabled(element.disabled);
updateSize();
});
// Reacts to changes in disabling (e.g., when publishing the item)
CustomElement.onDisabledChanged(updateDisabled);
} catch (err) {
// Sends message to console and editor if initialization failed (for example, the page is displayed outside the Kontent UI)
console.error(err);
setupSelector();
updateDisabled(true);
}
}
initCustomElement();