javascript - Quill.js 在编辑器中添加一个自定义的 javascript 函数
问题描述
我正在使用 Quill.js 让用户在主网页之外创建自定义的用户设计页面。我有一个用 javascript 编写的自定义滑块,它将拍摄图像并在它们之间旋转。我在 quill setup 中有工具栏,以便能够单击工具栏以在模式窗口中设置滑块。
当用户单击以关闭模态滑块设置窗口时,我试图在光标所在的 html 编辑器中插入一个编辑按钮,以便用户可以编辑刚刚输入的信息或可能通过删除所有信息来删除按钮在滑块模式窗口中。
我已经编写了自定义印迹,遵循了我能找到的所有示例,但没有任何效果。我确实得到了一个要显示的自定义 html 标记,但不是一个按钮。当我在编辑器中设置自定义 html 标记时从 quill 请求 html 时,我得到的只是“
" 来自 quill.root.innerHTML 没有任何自定义标签或其中的信息,即使我在编辑器中正确看到它。我想要编辑器中的一个按钮,以便轻松编辑滑块数据,因为可能有多个。我不会限制滑块的数量。破坏自己的页面取决于用户。
我不会在编辑 html 窗口中渲染滑块,只是尝试显示一个按钮来单击。如果用户愿意,我会在模态窗口上为用户提供一个预览按钮以查看滑块。
我还想将滑块的设置信息存储在按钮中 json 格式的数据标记中,并在浏览器窗口中呈现 html 时将该 html 按钮与 json 数据一起更改为标记。
这可以在 Quill.js 中完成吗?
解决方案
我通过使用嵌入的导入印迹来做到这一点。我没有注册为按钮,但单击印迹我确实获得了指向嵌入数据的链接,并在单击时触发了轮播数据的编辑。
var Quill;
const BlockEmbed = Quill.import("blots/block/embed");
const Link = Quill.import('formats/link');
class Carousel extends BlockEmbed {
static create(value) {
var self = this;
const node = super.create(value);
node.dataset.carousel = JSON.stringify(value);
value.file.frames.forEach(frame => {
const frameDiv = document.createElement("div");
frameDiv.innerText = frame.title;
frameDiv.className += "previewDiv";
node.appendChild(frameDiv);
});
node.onclick = function () {
if (Carousel.onClick) {
Carousel.onClick(self, node);
}
};
return node;
}
static value(domNode) {
return JSON.parse(domNode.dataset.carousel);
}
static onClick: any;
static blotName = "carousel";
static className = "ql-carousel";
static tagName = "DIV";
}
Quill.register("formats/carousel", Carousel);
然后,我将其作为脚本包含在 quill 正在编辑 HTML 的页面上
<script src="~/js/quilljs-carousel.js"></script>
然后这是自定义 javascript,用于处理隐藏 div 标签中自定义模式对话框中显示的印迹事件
<script>
function CarouselClicked(blot, node) {
editCarousel(JSON.parse(node.dataset.carousel), node);
}
var Carousel = Quill.import("formats/carousel");
Carousel.onClick = CarouselClicked;
function carouselToolbarClickHandler() {
createCarousel();
}
var Toolbar = Quill.import("modules/toolbar");
Toolbar.DEFAULTS.handlers.carousel = carouselToolbarClickHandler;
$(document).ready(function() {
var div = $("#editor-container");
var Image = Quill.import('formats/image');
Image.className = "img-fluid";
Quill.register(Image, true);
var quill = new Quill(div.get(0),
{
modules: {
syntax: true,
toolbar: '#toolbar-container'
},
theme: 'snow'
});
div.data('quill', quill);
// Only show the toolbar when quill is ready to go
$('#toolbar-container').css('display', 'block');
div.css('display', 'block');
$('#editor-loading').css('display', 'none');
// Override the quill Image handler and create our own.
quill.getModule("toolbar").addHandler("image", imageHandler);
});
function createCarousel() {
$("#carouselModalForm").removeClass("was-validated").get(0).reset();
$("#carouselModalList").empty();
$("#carouselModal")
.data("state", "unsaved")
.one("hidden.bs.modal",
function() {
var data = getCarouselData();
var carouselData = {};
carouselData['file'] = data;
carouselData['speed'] = $('#time').val();
carouselData['height'] = $('#height').val();
carouselData['width'] = $('#width').val();
var quill = $("#editor-container").data().quill;
var range = quill.getSelection(true);
if (range != null) {
quill.insertEmbed(
range.index,
"carousel",
carouselData,
Quill.sources.USER
);
quill.setSelection(range.index + 2, Quill.sources.USER);
}
})
.modal("show");
$('#title').get(0).outerText = "Create Carousel";
}
function editCarousel(value, node) {
$("#carouselModalForm").get(0).reset();
var elem = $("#carouselModalList").empty();
$.each(value.file.frames,
function(i, data) {
$("<option>").appendTo(elem).text(data.title).data("frame", data);
});
$('#time').val(value.speed);
$('#height').val(value.height);
$('#width').val(value.width);
var modal = $("#carouselModal");
modal.find("form").removeClass("was-validated");
modal
.data("state", "unsaved")
.one("hidden.bs.modal",
function() {
if ($("#carouselModal").data("state") !== "saved")
return;
var data = getCarouselData();
var carouselData = {};
carouselData['file'] = data;
carouselData['speed'] = $('#time').val();
carouselData['height'] = $('#height').val();
carouselData['width'] = $('#width').val();
var carousel = Quill.find(node, true);
carousel.replaceWith("carousel", carouselData);
})
.modal("show");
$('#title').get(0).outerText = "Edit Carousel";
}
function getCarouselData() {
var options = $("#carouselModalList").find("option");
var frames = $.map(options,
function(domNode) {
return $(domNode).data("frame");
});
return {
frames : frames
};
}
function getCarouselFrameFormData() {
// Get data from frame
function objectifyForm(formArray) { //serialize data function
var returnArray = {};
for (var i = 0; i < formArray.length; i++) {
returnArray[formArray[i]['name']] = formArray[i]['value'];
}
return returnArray;
}
return objectifyForm($("#carouselFrameModalForm").serializeArray());
}
$("#carouselModalNewFrame").click(function() {
$("#carouselFrameModalForm").removeClass("was-validated").get(0).reset();
$("#backgroundPreview").attr("src", "");
$("#mainPreview").attr("src", "");
$("#carouselFrameModal")
.data("state", "unsaved")
.one("hidden.bs.modal",
function() {
if ($("#carouselFrameModal").data("state") == "saved") {
var data = getCarouselFrameFormData();
$("<option>").appendTo($("#carouselModalList")).text(data.title).data("frame", data);
}
})
.modal("show");
// Fetch all the forms we want to apply custom Bootstrap validation styles to
});
$("#carouselModalEditFrame").click(function () {
var form = $("#carouselFrameModalForm");
form.removeClass("was-validated").get(0).reset();
var selected = $("#carouselModalList option:selected");
var frame = selected.data("frame");
$.each(Object.keys(frame),
function (i, e) {
$("input[name=" + e + "]", form).val(frame[e]);
});
$("#backgroundPreview").attr("src", frame.backgroundImg);
$("#mainPreview").attr("src", frame.mainImg);
$("#carouselFrameModal")
.data("state", "unsaved")
.one("hidden.bs.modal",
function() {
if ($("#carouselFrameModal").data("state") == "saved") {
var data = getCarouselFrameFormData();
selected.text(data.title).data("frame", data);
}
})
.modal("show");
});
$("#carouselModalRemoveFrame").click(function () {
$("#confirm-delete").modal("show");
});
$("#carouselFrameModalForm").find("input:file").change(function() {
var elem = $(this);
var target = elem.data("target");
var preview = elem.data("preview");
FiletoBase64(this, preview, target);
});
$("#carouselModalList").change(function() {
var selected = $("option:selected", this);
$("#carouselModalEditFrame,#carouselModalRemoveFrame").prop("disabled", !selected.length);
});
$("#carouselModalSave").click(function() {
// Validate frameset
var form = $("#carouselModalForm").get(0);
var select = $("#carouselModalList");
if (select.find("option").length == 0) {
select.get(0).setCustomValidity("Need at least one frame");
} else {
select.get(0).setCustomValidity("");
}
if (form.checkValidity()) {
$("#carouselModal").data("state", "saved");
$("#carouselModal").modal("hide");
}
else {
$("#carouselModalForm").addClass("was-validated");
}
});
$("#carouselFrameModalSave").click(function() {
// Validate frame
if ($("#carouselFrameModalForm").get(0).checkValidity()) {
$("#carouselFrameModal").data("state", "saved");
$("#carouselFrameModal").modal("hide");
}
else {
$("#carouselFrameModalForm").addClass("was-validated");
}
});
$('#confirm-delete-delete').click(function () {
$("#carouselModalList option:selected").remove();
$("#confirm-delete").modal("hide");
});
// #region Image FileExplorer Handler
function insertImageToEditor(url) {
var div = $("#editor-container");
var quill = div.data('quill');
var range = quill.getSelection();
quill.insertEmbed(range.index, 'image', url);
}
function CarouselMainimageHandler() {
$("#CarouselMainimageSelectFileExplorer").fileExplorer({
directoryListUrl: '@Url.Action("DirectoryList", "FileTree")',
fileListUrl: '@Url.Action("FileList", "FileTree")'
});
$("#CarouselMainimageSelectModal").modal("show");
}
$("#CarouselMainimageSelectModal").on("hide.bs.modal",
function() {
$("#CarouselMainimageSelectFileExplorer").fileExplorer("destroy");
});
$("#CarouselMainimageSelectSelectButton").click(function() {
var id = $("#CarouselMainimageSelectFileExplorer").fileExplorer("getSelectedFileId");
if (id == null) {
alert("Please select a file");
return;
}
var imageName = $("#CarouselMainimageSelectFileExplorer").fileExplorer("getSelectedFileName");
var imageLink = "@Url.Action("Render", "FileTree")?id=" + id;
$("#mainImageName").val(imageName);
$("#mainImageLink").val(imageLink);
$("#mainImage").attr("src",imageLink);
$("#mainImage").show();
$("#CarouselMainimageSelectModal").modal("hide");
});
function CarouselBackgroundimageHandler() {
$("#CarouselBackgroundimageSelectFileExplorer").fileExplorer({
directoryListUrl: '@Url.Action("DirectoryList", "FileTree")',
fileListUrl: '@Url.Action("FileList", "FileTree")'
});
$("#CarouselBackgroundimageSelectModal").modal("show");
}
$("#CarouselBackgroundimageSelectModal").on("hide.bs.modal",
function() {
$("#CarouselBackgroundimageSelectFileExplorer").fileExplorer("destroy");
});
$("#CarouselBackgroundimageSelectSelectButton").click(function() {
var id = $("#CarouselBackgroundimageSelectFileExplorer").fileExplorer("getSelectedFileId");
if (id == null) {
alert("Please select a file");
return;
}
var imageName = $("#CarouselBackgroundimageSelectFileExplorer").fileExplorer("getSelectedFileName");
var imageLink = "@Url.Action("Render", "FileTree")?id=" + id;
$("#backgroundImageName").val(imageName);
$("#backgroundImageLink").val(imageLink);
$("#backgroundImage").attr("src",imageLink);
$("#backgroundImage").show();
$("#CarouselBackgroundimageSelectModal").modal("hide");
});
function imageHandler() {
$("#imageSelectFileExplorer").fileExplorer({
directoryListUrl: '@Url.Action("DirectoryList", "FileTree")',
fileListUrl: '@Url.Action("FileList", "FileTree")'
});
$("#imageSelectModal").modal("show");
}
$("#imageSelectModal").on("hide.bs.modal",
function() {
$("#imageSelectFileExplorer").fileExplorer("destroy");
});
$("#imageSelectSelectButton").click(function() {
var id = $("#imageSelectFileExplorer").fileExplorer("getSelectedFileId");
if (id == null) {
alert("Please select a file");
return;
}
insertImageToEditor("@Url.Action("Render", "FileTree")?id=" + id);
$("#imageSelectModal").modal("hide");
});
// #endregion
function Save() {
var div = $("#editor-container");
var quill = div.data('quill');
$('#alertSave').show();
$.post({
url: '@Url.Action("Save")',
data: { BodyHtml: quill.root.innerHTML, locationId: @(Model.LocationId?.ToString() ?? "null") },
headers: {
'@Xsrf.HeaderName': '@Xsrf.RequestToken'
}
}).done(function() {
$('#alertSave').hide();
$('#alertSuccess').show();
setTimeout(function() { $('#alertSuccess').hide(); }, 5000);
}).fail(function(jqXhr, error) {
var alert = $('#alertFailure');
var text = $("#alertFailureText");
text.text(error.ErrorMessage);
alert.show();
});
}
function FiletoBase64(input, imgName, Base64TextName) {
var preview = document.getElementById(imgName);
var file = input.files[0];
var reader = new FileReader();
reader.addEventListener("load",
function() {
preview.src = reader.result;
document.getElementById(Base64TextName).value = reader.result;
},
false);
if (file) {
reader.readAsDataURL(file);
}
}
</script>
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