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{% extends 'blog/partials/base.html' %} {% block content %}
{% load static %}
<link href="https://cdn.quilljs.com/1.3.6/quill.snow.css" rel="stylesheet" />
<div class="main">
<div style="position: relative;">
<h2>Editing Post: {{ post.title }}</h2>
<br>
<div id="math-formula-block" style="
position: absolute;
top: 95px;
left: 185px;
width: 320px;
background: #121212;
padding: 10px 20px 15px 20px;
z-index: 3;
display: none;
">
<textarea id="math_formula" placeholder="Type MathJax Formula to Insert..." style="width: 300px; display: block; margin: 0px 0px 20px 0px;" rows="5"></textarea>
<input type="radio" name="math_formula_type" value="inline" checked /> <span style="margin-right: 10px; position: relative; top: -2.5px;">Inline</span>
<input type="radio" name="math_formula_type" value="block" style="margin-left: 10px;"> <span style="margin-right: 10px; position: relative; top: -2.5px;">Block</span>
<button id="math_formula_insert" style="float: right; margin-top: -5px;" class="button button-special">Insert</button>
<button id="math_formula_cancel" style="float: right; margin-top: -5px; margin-right: 10px;" class="button">Cancel</button>
</div>
<form action="{% url 'blog-admin:edit-post' post.slug %}" method="post" enctype="multipart/form-data">
{% csrf_token %}
<div class="form-group">
<div id="toolbar-container">
<span class="ql-formats">
<button class="ql-header" value="1"></button>
<button class="ql-header" value="2"></button>
</span>
<span class="ql-formats">
<button class="ql-bold"></button>
<button class="ql-italic"></button>
<button class="ql-underline"></button>
<button class="ql-strike"></button>
</span>
<span class="ql-formats">
<button class="ql-blockquote"></button>
<button class="ql-code-block"></button>
</span>
<span class="ql-formats">
<button class="ql-script" value="sub"></button>
<button class="ql-script" value="super"></button>
</span>
<span class="ql-formats">
<button class="ql-list" value="ordered"></button>
<button class="ql-list" value="bullet"></button>
</span>
<span class="ql-formats">
<select class="ql-align"></select>
</span>
<span class="ql-formats">
<button class="ql-link"></button>
<button class="ql-image"></button>
<button class="ql-formula"></button>
</span>
<span class="ql-formats">
<button class="ql-clean"></button>
</span>
</div>
<div id="editor-container" style="width: 730px;"></div>
</div>
<div class="form-group" style="display: none;">
<textarea name="body" id="body">{{ post.body }}</textarea>
</div>
<br>
<div class="form-group">
<button type="submit" class="button button-special">Save</button>
</div>
</form>
</div>
</div>
<script src="https://cdn.quilljs.com/1.3.6/quill.min.js"></script>
<script>
const Delta = Quill.import("delta");
function showFormulaInsert(quill) {
var formulaInsert = document.getElementById("math_formula_insert");
var formulaCancel = document.getElementById("math_formula_cancel");
var formulaInput = document.getElementById("math_formula");
var formulaContainer = document.getElementById("math-formula-block");
formulaContainer.style.display = "block";
formulaInsert.onclick = function () {
var formula = formulaInput.value;
var formulaType = document.querySelector('input[name="math_formula_type"]:checked').value;
if (formulaType == "inline") {
quill.insertText(quill.getSelection().index, " $" + formula + "$ ");
} else {
quill.insertText(quill.getSelection().index, " $$" + formula + "$$ ");
}
formulaContainer.style.display = "none";
}
formulaCancel.onclick = function () {
formulaContainer.style.display = "none";
}
}
var quill = new Quill("#editor-container", {
modules: {
toolbar: {
container: "#toolbar-container",
handlers: {
formula: function () {
showFormulaInsert(quill);
},
image: function () {
// open image upload dialog
let fileInput = this.container.querySelector('input.ql-image[type=file]');
if (fileInput == null) {
fileInput = document.createElement('input');
fileInput.setAttribute('type', 'file');
fileInput.setAttribute('accept', 'image/png, image/gif, image/jpeg, image/bmp, image/x-icon');
fileInput.classList.add('ql-image');
fileInput.addEventListener('change', () => {
if (fileInput.files != null && fileInput.files[0] != null) {
let range = this.quill.getSelection(true);
const url = "/ignis/upload";
const formData = new FormData();
formData.append("image", fileInput.files[0]);
formData.append("id", {{ post.id }});
// append csrf token in header
const headers = new Headers();
headers.append("X-CSRFToken", "{{ csrf_token }}");
fetch(url, {
method: "POST",
headers: headers,
body: formData,
}).then((response) => response.json()).then((result) => {
this.quill.updateContents(new Delta()
.retain(range.index)
.delete(range.length)
.insert({ image: result.url })
, Quill.sources.USER);
fileInput.value = "";
}).catch((error) => {
console.error("Error:", error);
});
}
});
this.container.appendChild(fileInput);
}
fileInput.click();
},
},
},
},
placeholder: "Compose an epic...",
theme: "snow",
});
// update body on text change
quill.on("text-change", function (delta, oldDelta, source) {
document.getElementById("body").value = quill.root.innerHTML;
});
try {
const value = document.getElementById("body").value;
const newValue = value.replace(/<p><br><\/p>/g, "");
const delta = quill.clipboard.convert(value);
quill.setContents(delta, "silent");
} catch (e) {
console.log(e);
}
</script>
{% endblock %}
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