Missing node dialog revamp (#322)

* Basic rework of load workflow warning dialog

* Better style

* Add vue jest support

* Mock vue component in jest test

* nit

* Make dialog maximizable

src/components/dialog/GlobalDialog.vue

@@ -0,0 +1,34 @@
+<!-- The main global dialog to show various things -->
+<template>
+  <Dialog
+    v-model:visible="dialogStore.isVisible"
+    modal
+    closable
+    closeOnEscape
+    dismissableMask
+    :maximizable="dialogStore.props.maximizable ?? false"
+    @hide="dialogStore.closeDialog"
+    @maximize="maximized = true"
+    @unmaximize="maximized = false"
+  >
+    <template #header v-if="dialogStore.title">
+      <h3>{{ dialogStore.title }}</h3>
+    </template>
+
+    <component
+      :is="dialogStore.component"
+      v-bind="dialogStore.props"
+      :maximized="maximized"
+    />
+  </Dialog>
+</template>
+
+<script setup lang="ts">
+import { ref } from 'vue'
+import { useDialogStore } from '@/stores/dialogStore'
+import Dialog from 'primevue/dialog'
+
+const dialogStore = useDialogStore()
+
+const maximized = ref(false)
+</script>

src/components/dialog/content/LoadWorkflowWarning.vue

@@ -0,0 +1,138 @@
+<template>
+  <div class="comfy-missing-nodes">
+    <h4 class="warning-title">Warning: Missing Node Types</h4>
+    <p class="warning-description">
+      When loading the graph, the following node types were not found:
+    </p>
+    <ListBox
+      :options="uniqueNodes"
+      optionLabel="label"
+      scrollHeight="100%"
+      :class="'missing-nodes-list' + (props.maximized ? ' maximized' : '')"
+      :pt="{
+        list: { class: 'border-none' }
+      }"
+    >
+      <template #option="slotProps">
+        <div class="missing-node-item">
+          <span class="node-type">{{ slotProps.option.label }}</span>
+          <span v-if="slotProps.option.hint" class="node-hint">{{
+            slotProps.option.hint
+          }}</span>
+          <Button
+            v-if="slotProps.option.action"
+            @click="slotProps.option.action.callback"
+            :label="slotProps.option.action.text"
+            class="p-button-sm p-button-outlined"
+          />
+        </div>
+      </template>
+    </ListBox>
+    <p v-if="hasAddedNodes" class="added-nodes-warning">
+      Nodes that have failed to load will show as red on the graph.
+    </p>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { computed } from 'vue'
+import ListBox from 'primevue/listbox'
+import Button from 'primevue/button'
+
+interface NodeType {
+  type: string
+  hint?: string
+  action?: {
+    text: string
+    callback: () => void
+  }
+}
+
+const props = defineProps<{
+  missingNodeTypes: (string | NodeType)[]
+  hasAddedNodes: boolean
+  maximized: boolean
+}>()
+
+const uniqueNodes = computed(() => {
+  const seenTypes = new Set()
+  return props.missingNodeTypes
+    .filter((node) => {
+      const type = typeof node === 'object' ? node.type : node
+      if (seenTypes.has(type)) return false
+      seenTypes.add(type)
+      return true
+    })
+    .map((node) => {
+      if (typeof node === 'object') {
+        return {
+          label: node.type,
+          hint: node.hint,
+          action: node.action
+        }
+      }
+      return { label: node }
+    })
+})
+</script>
+
+<style>
+:root {
+  --red-600: #dc3545;
+}
+</style>
+
+<style scoped>
+.comfy-missing-nodes {
+  font-family: monospace;
+  color: var(--red-600);
+  padding: 1.5rem;
+  background-color: var(--surface-ground);
+  border-radius: var(--border-radius);
+  box-shadow: var(--card-shadow);
+}
+
+.warning-title {
+  margin-top: 0;
+  margin-bottom: 1rem;
+}
+
+.warning-description {
+  margin-bottom: 1rem;
+}
+
+.missing-nodes-list {
+  max-height: 300px;
+  overflow-y: auto;
+}
+
+.missing-nodes-list.maximized {
+  max-height: unset;
+}
+
+.missing-node-item {
+  display: flex;
+  align-items: center;
+  padding: 0.5rem;
+}
+
+.node-type {
+  font-weight: 600;
+  color: var(--text-color);
+}
+
+.node-hint {
+  margin-left: 0.5rem;
+  font-style: italic;
+  color: var(--text-color-secondary);
+}
+
+:deep(.p-button) {
+  margin-left: auto;
+}
+
+.added-nodes-warning {
+  margin-top: 1rem;
+  font-style: italic;
+}
+</style>