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implement signature preview

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pull/105/head
Alex Turchyn 2 years ago
parent f1da37d1ec
commit b5b4f286cf
6 changed files with 73 additions and 19 deletions
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15
app/javascript/elements/flow_area.js
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@ -1,5 +1,18 @@
export default class extends HTMLElement {
setValue (value) {
this.innerHTML = value
const { fieldType } = this.dataset
if (fieldType === 'signature') {
[...this.children].forEach(e => e.remove())
const img = document.createElement('img')
img.classList.add('w-full', 'h-full', 'object-contain')
img.src = value.url
this.append(img)
} else {
this.innerHTML = value
}
}
}

18
app/javascript/elements/flow_view.js
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@ -14,9 +14,13 @@ export default actionable(targetable(class extends HTMLElement {
]
passValueToArea (e) {
this.areasSetValue(e.target.id, e.target.value)
}
areasSetValue (fieldUuid, value) {
return (this.areas || []).forEach((area) => {
if (area.dataset.fieldUuid === e.target.id) {
area.setValue(e.target.value)
if (area.dataset.fieldUuid === fieldUuid) {
area.setValue(value)
}
})
}
@ -42,6 +46,8 @@ export default actionable(targetable(class extends HTMLElement {
console.error('Error submitting form:', error)
}).finally(() => {
e.target.okButton.disabled = false
this.areasSetValue(e.target.closest('disable-hidden').dataset.fieldUuid, e.detail)
})
}
@ -64,7 +70,7 @@ export default actionable(targetable(class extends HTMLElement {
}
moveStepBack (e) {
e.preventDefault()
e?.preventDefault()
const currentStepIndex = this.steps.findIndex((el) => !el.classList.contains('hidden'))
@ -75,7 +81,9 @@ export default actionable(targetable(class extends HTMLElement {
}
}
moveNextStep () {
moveNextStep (e) {
e?.preventDefault()
const currentStepIndex = this.steps.findIndex((el) => !el.classList.contains('hidden'))
const nextStep = this.steps[currentStepIndex + 1]
@ -89,7 +97,7 @@ export default actionable(targetable(class extends HTMLElement {
}
focusField ({ target }) {
this.setVisibleStep(target.dataset.fieldUuid)
this.setVisibleStep(target.closest('flow-area').dataset.fieldUuid)
}
focusArea ({ target }) {

24
app/javascript/elements/signature_pad.js
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@ -9,7 +9,10 @@ export default actionable(targetable(class extends HTMLElement {
'canvas',
'input',
'okButton',
'clearButton'
'image',
'clearButton',
'redrawButton',
'nextButton'
]
connectedCallback () {
@ -22,7 +25,7 @@ export default actionable(targetable(class extends HTMLElement {
this.okButton.disabled = true
this.canvas.toBlob((blob) => {
const file = new File([blob], 'signature.jpg', { type: 'image/jpg' })
const file = new File([blob], 'signature.png', { type: 'image/png' })
new DirectUpload(
file,
@ -38,10 +41,23 @@ export default actionable(targetable(class extends HTMLElement {
headers: { 'Content-Type': 'application/json' }
}).then((resp) => resp.json()).then((attachment) => {
this.input.value = attachment.uuid
this.dispatchEvent(new CustomEvent('upload', { details: attachment }))
this.dispatchEvent(new CustomEvent('upload', { detail: attachment }))
})
})
}, 'image/jpeg', 0.95)
}, 'image/png')
}
redraw (e) {
e?.preventDefault()
this.input.value = ''
this.canvas.classList.remove('hidden')
this.clearButton.classList.remove('hidden')
this.okButton.classList.remove('hidden')
this.image.remove()
this.redrawButton.remove()
this.nextButton.remove()
}
clear (e) {

9
app/views/submit_flow/_area.html.erb
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@ -1,3 +1,8 @@
<flow-area data-field-uuid="<%= field['uuid'] %>" data-action="click:flow-view#focusField" data-targets="flow-view.areas" class=" cursor-pointer bg-red-100 absolute" style="width: <%= area['w'] * 100 %>%; height: <%= area['h'] * 100 %>%; left: <%= area['x'] * 100 %>%; top: <%= area['y'] * 100 %>%">
<%= submission.values[field['uuid']] %>
<% value = submission.values[field['uuid']] %>
<flow-area data-field-type="<%= field['type'] %>" data-field-uuid="<%= field['uuid'] %>" data-action="click:flow-view#focusField" data-targets="flow-view.areas" class="flex cursor-pointer bg-red-100 absolute" style="width: <%= area['w'] * 100 %>%; height: <%= area['h'] * 100 %>%; left: <%= area['x'] * 100 %>%; top: <%= area['y'] * 100 %>%">
<% if field['type'] == 'signature' && attachment = attachments.find { |a| a.uuid == value } %>
<img class="w-full h-full object-contain" src="<%= attachment.url %>" width="<%= attachment.metadata['width'] %>px" height="<%= attachment.metadata['height'] %>px">
<% else %>
<%= value %>
<% end %>
</flow-area>

20
app/views/submit_flow/show.html.erb
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@ -1,4 +1,6 @@
<% fields_index = Flows.build_field_areas_index(@submission.flow) %>
<% attachment_field_uuids = @submission.flow.fields.select { |f| f['type'].in?(%w[image signature attachment]) }.pluck('uuid') %>
<% attachments = ActiveStorage::Attachment.where(uuid: @submission.values.values_at(*attachment_field_uuids).flatten).preload(:blob) %>
<flow-view class="mx-auto block" style="max-width: 1000px">
<% @submission.flow.schema.each do |item| %>
<% document = @submission.flow.documents.find { |a| a.uuid == item['attachment_uuid'] } %>
@ -7,7 +9,7 @@
<img src="<%= page.url %>" width="<%= page.metadata['width'] %>" height="<%= page.metadata['height'] %>" loading="lazy">
<div class="top-0 bottom-0 left-0 right-0 absolute">
<% fields_index.dig(document.uuid, index)&.each do |values| %>
<%= render 'area', submission: @submission, page:, **values %>
<%= render 'area', submission: @submission, attachments:, page:, **values %>
<% end %>
</div>
</div>
@ -66,14 +68,24 @@
<button type="submit"><%= button_title %></button>
</div>
<% elsif field['type'] == 'signature' %>
<% attachment = attachments.find { |a| a.uuid == @submission.values[field['uuid']] } %>
<signature-pad data-submission-slug="<%= @submission.slug %>" data-action="upload:flow-view#submitSignature">
<input data-target="signature-pad.input" type="hidden" name="values[<%= field['uuid'] %>]" value="<%= @submission.values[field['uuid']] %>">
<canvas data-target="signature-pad.canvas"></canvas>
<button data-target="signature-pad.clearButton" data-action="click:signature-pad#clear">
<canvas class="<%= 'hidden' if attachment %>" data-target="signature-pad.canvas"></canvas>
<% if attachment %>
<img data-target="signature-pad.image" src="<%= attachment.url %>">
<button data-target="signature-pad.redrawButton" data-action="click:signature-pad#redraw">
Redraw
</button>
<button data-target="signature-pad.nextButton" data-action="click:flow-view#moveNextStep">
Submit
</button>
<% end %>
<button class="<%= 'hidden' if attachment %>" data-target="signature-pad.clearButton" data-action="click:signature-pad#clear">
Clear
</button>
<br>
<button data-target="signature-pad.okButton" data-action="click:signature-pad#submit">
<button class="<%= 'hidden' if attachment %>" data-target="signature-pad.okButton" data-action="click:signature-pad#submit">
<%= button_title %>
</button>
</signature-pad>

6
tailwind.flow.config.js
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@ -3,8 +3,8 @@ const baseConfigs = require('./tailwind.config.js')
module.exports = {
...baseConfigs,
content: [
'./app/views/submit_flow/*.erb',
'./app/views/start_flow/*.erb',
'./app/views/send_submission_copy/*.erb'
'./app/views/submit_flow/**/*.erb',
'./app/views/start_flow/**/*.erb',
'./app/views/send_submission_copy/**/*.erb'
]
}

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