forked from ponzu-cms/ponzu
/
file.go
134 lines (125 loc) · 4.16 KB
/
file.go
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package editor
import "fmt"
// File returns the []byte of a <input type="file"> HTML element with a label.
// IMPORTANT:
// The `fieldName` argument will cause a panic if it is not exactly the string
// form of the struct field that this editor input is representing
func File(fieldName string, p interface{}, attrs map[string]string) []byte {
name := TagNameFromStructField(fieldName, p, nil)
value := ValueFromStructField(fieldName, p, nil).(string)
tmpl :=
`<div class="file-input ` + name + ` input-field col s12">
<label class="active">` + attrs["label"] + `</label>
<div class="file-field input-field">
<div class="btn">
<span>Upload</span>
<input class="storage" type="file">
</div>
<div class="file-path-wrapper">
<input class="file-path validate" placeholder="` + attrs["label"] + `" type="text">
</div>
</div>
<div class="preview"><div class="img-clip"></div></div>
<input class="store ` + name + `" type="hidden" name="` + name + `" value="` + value + `" />
</div>`
script :=
fmt.Sprintf(`<script>
$(function() {
var $file = $('.file-input.` + name + `'),
storage = $file.find('input.storage'),
store = $file.find('input.store'),
preview = $file.find('.preview'),
clip = preview.find('.img-clip'),
reset = document.createElement('div'),
img = document.createElement('img'),
video = document.createElement('video'),
unknown = document.createElement('div'),
viewLink = document.createElement('a'),
viewLinkText = document.createTextNode('Download / Template '),
iconLaunch = document.createElement('i'),
iconLaunchText = document.createTextNode('launch'),
uploadSrc = store.val();
video.setAttribute
preview.hide();
viewLink.setAttribute('href', '` + value + `');
viewLink.setAttribute('target', '_blank');
viewLink.appendChild(viewLinkText);
viewLink.style.display = 'block';
viewLink.style.marginRight = '10px';
viewLink.style.textAlign = 'right';
iconLaunch.className = 'material-icons tiny';
iconLaunch.style.position = 'relative';
iconLaunch.style.top = '3px';
iconLaunch.appendChild(iconLaunchText);
viewLink.appendChild(iconLaunch);
preview.append(viewLink);
// when ` + name + ` input changes (file is selected), remove
// the 'name' and 'value' attrs from the hidden store input.
// add the 'name' attr to ` + name + ` input
storage.on('change', function(e) {
resetImage();
});
if (uploadSrc.length > 0) {
var ext = uploadSrc.substring(uploadSrc.lastIndexOf('.'));
ext = ext.toLowerCase();
switch (ext) {
case '.jpg':
case '.jpeg':
case '.webp':
case '.gif':
case '.png':
$(img).attr('src', store.val());
clip.append(img);
break;
case '.mp4':
case '.webm':
$(video)
.attr('src', store.val())
.attr('type', 'video/'+ext.substring(1))
.attr('controls', true)
.css('width', '100%');
clip.append(video);
break;
default:
$(img).attr('src', '/static/dashboard/img/ponzu-file.png');
$(unknown)
.css({
position: 'absolute',
top: '10px',
left: '10px',
border: 'solid 1px #ddd',
padding: '7px 7px 5px 12px',
fontWeight: 'bold',
background: '#888',
color: '#fff',
textTransform: 'uppercase',
letterSpacing: '2px'
})
.text(ext);
clip.append(img);
clip.append(unknown);
clip.css('maxWidth', '200px');
}
preview.show();
$(reset).addClass('reset ` + name + ` btn waves-effect waves-light grey');
$(reset).html('<i class="material-icons tiny">clear<i>');
$(reset).on('click', function(e) {
e.preventDefault();
preview.animate({"opacity": 0.1}, 200, function() {
preview.slideUp(250, function() {
resetImage();
});
})
});
clip.append(reset);
}
function resetImage() {
store.val('');
store.attr('name', '');
storage.attr('name', '` + name + `');
clip.empty();
}
});
</script>`)
return []byte(tmpl + script)
}