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-rw-r--r--bh20simplewebuploader/static/main.css15
-rw-r--r--bh20simplewebuploader/static/main.js75
2 files changed, 86 insertions, 4 deletions
diff --git a/bh20simplewebuploader/static/main.css b/bh20simplewebuploader/static/main.css
index 57e29ef..80ee6b7 100644
--- a/bh20simplewebuploader/static/main.css
+++ b/bh20simplewebuploader/static/main.css
@@ -167,16 +167,19 @@ pre code {
border: solid 1px black;
}
-.record {
+.record, .record .field-group, .record .field-group .field {
display: flex;
flex-direction: column;
+ -webkit-column-break-inside: avoid; /* Chrome, Safari, Opera */
+ page-break-inside: avoid; /* Firefox */
+ break-inside: avoid;
+}
+
+.record {
border: solid 1px #808080;
padding: 1em;
background: #F8F8F8;
margin-bottom: 1em;
- -webkit-column-break-inside: avoid; /* Chrome, Safari, Opera */
- page-break-inside: avoid; /* Firefox */
- break-inside: avoid;
}
.record label {
@@ -184,6 +187,10 @@ pre code {
margin-top: 10px;
}
+.hidden {
+ display: none;
+}
+
.search-section {
display: flex;
justify-content: space-between;
diff --git a/bh20simplewebuploader/static/main.js b/bh20simplewebuploader/static/main.js
index 96199a0..a67d3df 100644
--- a/bh20simplewebuploader/static/main.js
+++ b/bh20simplewebuploader/static/main.js
@@ -45,3 +45,78 @@ function displayForm() {
}
fillFormSpot.classList.add("invisible");
}
+
+/**
+ * Add another form field to the group this button is part of.
+ */
+function addField(e) {
+ // Find our parent field-group div
+ let fieldGroup = this.parentElement
+
+ // Get its keypath
+ let keypath = fieldGroup.dataset.keypath
+
+ // Find its last field child
+ let existingFields = fieldGroup.getElementsByClassName('field')
+ let templateField = existingFields[existingFields.length - 1]
+
+ // Get its number
+ let fieldNumber = templateField.dataset.number
+
+ // Duplicate it
+ let newField = templateField.cloneNode(true)
+
+ // Increment the number and use the keypath and number to set IDs and cross
+ // references.
+ // TODO: Heavily dependent on the form field HTML. Maybe we want custom
+ // elements for the labeled controlsd that know how to be list items?
+ fieldNumber++
+ newField.dataset.number = fieldNumber
+ let newID = keypath + '[' + fieldNumber + ']'
+ let newControl = newField.getElementsByClassName('control')[0]
+ newControl.id = newID
+ newControl.setAttribute('name', newID)
+ let newLabel = newField.getElementsByTagName('label')[0]
+ newLabel.setAttribute('for', newID)
+
+ // Find the minus button
+ let minusButton = fieldGroup.getElementsByClassName('remove-field')[0]
+
+ // Put new field as a child before the minus button
+ fieldGroup.insertBefore(newField, minusButton)
+
+ // Enable the minus button
+ minusButton.classList.remove('hidden')
+}
+
+/**
+ * Remove the last form field from the group button is part of.
+ */
+function removeField(e) {
+ // Find our parent field-group div
+ let fieldGroup = this.parentElement
+
+ // Find its field children
+ let existingFields = fieldGroup.getElementsByClassName('field')
+
+ if (existingFields.length > 1) {
+ // There is a last field we can safely remove.
+ let lastField = existingFields[existingFields.length - 1]
+ fieldGroup.removeChild(lastField)
+ }
+
+ if (existingFields.length <= 1) {
+ // Collection auto-updates. Now there's only one element. Don't let the
+ // user remove it. If they don't want it, they can leave it empty.
+ this.classList.add('hidden')
+ }
+}
+
+// Find all the add and remove field buttons and hook up the listeners.
+for (let button of document.getElementsByClassName('add-field')) {
+ button.addEventListener('click', addField)
+}
+for (let button of document.getElementsByClassName('remove-field')) {
+ button.addEventListener('click', removeField)
+}
+