From 970977e4698b9e5b29031b8c0e90370168d6710e Mon Sep 17 00:00:00 2001
From: Pete Matsyburka <pete.matsy@gmail.com>
Date: Tue, 27 Feb 2024 01:41:57 +0200
Subject: [PATCH] allow to drag existing field on the page

---
 app/javascript/template_builder/builder.vue | 42 ++++++++++++++-------
 app/javascript/template_builder/fields.vue  | 15 +++-----
 app/javascript/template_builder/page.vue    |  4 +-
 3 files changed, 36 insertions(+), 25 deletions(-)

diff --git a/app/javascript/template_builder/builder.vue b/app/javascript/template_builder/builder.vue
index 227ce948..90b19df9 100644
--- a/app/javascript/template_builder/builder.vue
+++ b/app/javascript/template_builder/builder.vue
@@ -324,7 +324,8 @@ export default {
       withPayment: this.withPayment,
       withFormula: this.withFormula,
       defaultDrawFieldType: this.defaultDrawFieldType,
-      selectedAreaRef: computed(() => this.selectedAreaRef)
+      selectedAreaRef: computed(() => this.selectedAreaRef),
+      fieldsDragFieldRef: computed(() => this.fieldsDragFieldRef)
     }
   },
   props: {
@@ -480,6 +481,7 @@ export default {
   },
   computed: {
     selectedAreaRef: () => ref(),
+    fieldsDragFieldRef: () => ref(),
     fieldAreasIndex () {
       const areas = {}
 
@@ -811,7 +813,7 @@ export default {
       }
     },
     onDropfield (area) {
-      const field = {
+      const field = this.fieldsDragFieldRef.value || {
         name: '',
         uuid: v4(),
         submitter_uuid: this.selectedSubmitter.uuid,
@@ -819,17 +821,19 @@ export default {
         ...this.dragField
       }
 
-      if (['select', 'multiple', 'radio'].includes(field.type)) {
-        field.options = [{ value: '', uuid: v4() }]
-      }
+      if (!this.fieldsDragFieldRef.value) {
+        if (['select', 'multiple', 'radio'].includes(field.type)) {
+          field.options = [{ value: '', uuid: v4() }]
+        }
 
-      if (field.type === 'stamp') {
-        field.readonly = true
-      }
+        if (field.type === 'stamp') {
+          field.readonly = true
+        }
 
-      if (field.type === 'date') {
-        field.preferences = {
-          format: Intl.DateTimeFormat().resolvedOptions().locale.endsWith('-US') ? 'MM/DD/YYYY' : 'DD/MM/YYYY'
+        if (field.type === 'date') {
+          field.preferences = {
+            format: Intl.DateTimeFormat().resolvedOptions().locale.endsWith('-US') ? 'MM/DD/YYYY' : 'DD/MM/YYYY'
+          }
         }
       }
 
@@ -885,11 +889,23 @@ export default {
         fieldArea.cell_w = baseArea.cell_w || (baseArea.w / 5)
       }
 
-      field.areas = [fieldArea]
+      field.areas ||= []
+
+      const lastArea = field.areas[field.areas.length - 1]
+
+      if (lastArea) {
+        fieldArea.x -= lastArea.w / 2
+        fieldArea.w = lastArea.w
+        fieldArea.h = lastArea.h
+      }
+
+      field.areas.push(fieldArea)
 
       this.selectedAreaRef.value = fieldArea
 
-      this.template.fields.push(field)
+      if (this.template.fields.indexOf(field) === -1) {
+        this.template.fields.push(field)
+      }
 
       this.save()
     },
diff --git a/app/javascript/template_builder/fields.vue b/app/javascript/template_builder/fields.vue
index 9224e485..8abe3de6 100644
--- a/app/javascript/template_builder/fields.vue
+++ b/app/javascript/template_builder/fields.vue
@@ -24,11 +24,11 @@
       :data-uuid="field.uuid"
       :field="field"
       :type-index="fields.filter((f) => f.type === field.type).indexOf(field)"
-      :editable="editable && (!dragField || dragField !== field)"
+      :editable="editable && (!fieldsDragFieldRef.value || fieldsDragFieldRef.value !== field)"
       :default-field="defaultFields.find((f) => f.name === field.name)"
       :draggable="editable"
-      @dragstart="dragField = field"
-      @dragend="dragField = null"
+      @dragstart="fieldsDragFieldRef.value = field"
+      @dragend="fieldsDragFieldRef.value = null"
       @remove="removeField"
       @scroll-to="$emit('scroll-to-area', $event)"
       @set-draw="$emit('set-draw', $event)"
@@ -154,7 +154,7 @@ export default {
     IconDrag,
     IconLock
   },
-  inject: ['save', 'backgroundColor', 'withPhone', 'withPayment', 't'],
+  inject: ['save', 'backgroundColor', 'withPhone', 'withPayment', 't', 'fieldsDragFieldRef'],
   props: {
     fields: {
       type: Array,
@@ -205,11 +205,6 @@ export default {
     }
   },
   emits: ['set-draw', 'set-drag', 'drag-end', 'scroll-to-area', 'change-submitter'],
-  data () {
-    return {
-      dragField: null
-    }
-  },
   computed: {
     fieldNames: FieldType.computed.fieldNames,
     fieldIcons: FieldType.computed.fieldIcons,
@@ -239,7 +234,7 @@ export default {
     },
     onFieldDragover (e) {
       const targetField = e.target.closest('[data-uuid]')
-      const dragField = this.$refs.fields.querySelector(`[data-uuid="${this.dragField.uuid}"]`)
+      const dragField = this.$refs.fields.querySelector(`[data-uuid="${this.fieldsDragFieldRef.value.uuid}"]`)
 
       if (dragField && targetField && targetField !== dragField) {
         const fields = Array.from(this.$refs.fields.children)
diff --git a/app/javascript/template_builder/page.vue b/app/javascript/template_builder/page.vue
index 88bcc9be..0da13943 100644
--- a/app/javascript/template_builder/page.vue
+++ b/app/javascript/template_builder/page.vue
@@ -39,7 +39,7 @@
       />
     </div>
     <div
-      v-show="resizeDirection || isMove || isDrag || showMask || (drawField && isMobile)"
+      v-show="resizeDirection || isMove || isDrag || showMask || (drawField && isMobile) || fieldsDragFieldRef.value"
       id="mask"
       ref="mask"
       class="top-0 bottom-0 left-0 right-0 absolute"
@@ -61,7 +61,7 @@ export default {
   components: {
     FieldArea
   },
-  inject: ['fieldTypes', 'defaultDrawFieldType'],
+  inject: ['fieldTypes', 'defaultDrawFieldType', 'fieldsDragFieldRef'],
   props: {
     image: {
       type: Object,