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Support For Multiple Embeds #29

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Support For Multiple Embeds #29

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a973344
Move loading of pdf.js and CSS styles to a separate partial
chtzvt Jun 5, 2022
6d00f04
Enables multiple PDF embeds by appending a unique ID to each shortcod…
chtzvt Jun 5, 2022
195431f
Update README with instructions on how to install the dependencies pa…
chtzvt Jun 5, 2022
00b62a8
Merge branch 'master' into master
anvithks Mar 15, 2023
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18 changes: 17 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,23 @@ cp ./layouts/shortcodes/embed-pdf.html /path/to/your/hugo/website/layouts/shortc
```
<br />

3. Copy the pdf.js library files from `./static/js/pdf-js` to `./static/js` in your Hugo website directory.
3. Copy the file `./layouts/partials/embed-pdf-dependencies.html` to `./layouts/partials` in your Hugo website directory.
<br />

```shell
cp ./layouts/partials/embed-pdf-dependencies.html /path/to/your/hugo/website/layouts/partials
```
<br />

4. Add the `embed-pdf-dependencies.html` partial to your theme.

You'll want to add the following line to a layout in your `partials` directory responsible for generating the `<head>` section of your blog. This will include the JavaScript dependencies and CSS styles for the `hugo-embed-pdf` shortcode exactly once on pages that use it.

```
{{ partial "embed-pdf-dependencies.html" . }}
```

5. Copy the pdf.js library files from `./static/js/pdf-js` to `./static/js` in your Hugo website directory.
<br />

**Note:** If you do not have a `./static/js` directory you can create it.
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51 changes: 51 additions & 0 deletions layouts/partials/embed-pdf-dependencies.html
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@@ -0,0 +1,51 @@
{{ if .HasShortcode "embed-pdf" }}
<script type="text/javascript" src='{{"/" | relURL}}/js/pdf-js/build/pdf.js'></script>

<style>
/* PDF embed shortcode */
.pdf-canvas {
border: 1px solid black;
direction: ltr;
width: 100%;
height: auto;
display: none;
}

.pdf-paginator {
display: none;
text-align: center;
margin-top: 10px;
margin-bottom: 10px;
}

.pdf-source {
margin-left: 10px;
}

.pdf-loadingWrapper {
display: none;
justify-content: center;
align-items: center;
width: 100%;
height: 350px;
}

.pdf-loading {
display: inline-block;
width: 50px;
height: 50px;
border: 3px solid #d2d0d0;;
border-radius: 50%;
border-top-color: #383838;
animation: pdf-spin 1s ease-in-out infinite;
-webkit-animation: spin 1s ease-in-out infinite;
}

@keyframes pdf-spin {
to { -webkit-transform: rotate(360deg); }
}
@-webkit-keyframes pdf-spin {
to { -webkit-transform: rotate(360deg); }
}
</style>
{{ end }}
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