fix: misc ux issues

frontend/src/components/Controls/CodeEditor.vue

@@ -0,0 +1,204 @@
+<template>
+	<div
+		class="editor flex flex-col gap-1"
+		:style="{
+			height: height,
+		}"
+	>
+		<span class="text-xs" v-if="label">
+			{{ label }}
+		</span>
+		<div
+			ref="editor"
+			class="h-auto flex-1 overflow-hidden overscroll-none !rounded border border-outline-gray-2 bg-surface-gray-2 dark:bg-gray-900"
+		/>
+		<span
+			class="mt-1 text-xs text-gray-600"
+			v-show="description"
+			v-html="description"
+		></span>
+		<Button
+			v-if="showSaveButton"
+			@click="emit('save', aceEditor?.getValue())"
+			class="mt-3"
+		>
+			{{ __('Save') }}
+		</Button>
+	</div>
+</template>
+<script setup lang="ts">
+import { useDark } from '@vueuse/core'
+import ace from 'ace-builds'
+import 'ace-builds/src-min-noconflict/ext-searchbox'
+import 'ace-builds/src-min-noconflict/theme-chrome'
+import 'ace-builds/src-min-noconflict/theme-twilight'
+import { PropType, onMounted, ref, watch } from 'vue'
+import { Button } from 'frappe-ui'
+
+const isDark = useDark({
+	attribute: 'data-theme',
+})
+
+const props = defineProps({
+	modelValue: {
+		type: [Object, String, Array],
+	},
+	type: {
+		type: String as PropType<'JSON' | 'HTML' | 'Python' | 'JavaScript' | 'CSS'>,
+		default: 'JSON',
+	},
+	label: {
+		type: String,
+		default: '',
+	},
+	readonly: {
+		type: Boolean,
+		default: false,
+	},
+	height: {
+		type: String,
+		default: '250px',
+	},
+	showLineNumbers: {
+		type: Boolean,
+		default: false,
+	},
+	autofocus: {
+		type: Boolean,
+		default: true,
+	},
+	showSaveButton: {
+		type: Boolean,
+		default: false,
+	},
+	description: {
+		type: String,
+		default: '',
+	},
+})
+
+const emit = defineEmits(['save', 'update:modelValue'])
+const editor = ref<HTMLElement | null>(null)
+let aceEditor = null as ace.Ace.Editor | null
+
+onMounted(() => {
+	setupEditor()
+})
+
+const setupEditor = () => {
+	aceEditor = ace.edit(editor.value as HTMLElement)
+	resetEditor(props.modelValue as string, true)
+	aceEditor.setReadOnly(props.readonly)
+	aceEditor.setOptions({
+		fontSize: '12px',
+		useWorker: false,
+		showGutter: props.showLineNumbers,
+		wrap: props.showLineNumbers,
+	})
+	if (props.type === 'CSS') {
+		import('ace-builds/src-noconflict/mode-css').then(() => {
+			aceEditor?.session.setMode('ace/mode/css')
+		})
+	} else if (props.type === 'JavaScript') {
+		import('ace-builds/src-noconflict/mode-javascript').then(() => {
+			aceEditor?.session.setMode('ace/mode/javascript')
+		})
+	} else if (props.type === 'Python') {
+		import('ace-builds/src-noconflict/mode-python').then(() => {
+			aceEditor?.session.setMode('ace/mode/python')
+		})
+	} else if (props.type === 'JSON') {
+		import('ace-builds/src-noconflict/mode-json').then(() => {
+			aceEditor?.session.setMode('ace/mode/json')
+		})
+	} else {
+		import('ace-builds/src-noconflict/mode-html').then(() => {
+			aceEditor?.session.setMode('ace/mode/html')
+		})
+	}
+	aceEditor.on('blur', () => {
+		try {
+			let value = aceEditor?.getValue() || ''
+			if (props.type === 'JSON') {
+				value = JSON.parse(value)
+			}
+			if (value === props.modelValue) return
+			if (!props.showSaveButton && !props.readonly) {
+				emit('update:modelValue', value)
+			}
+		} catch (e) {
+			// do nothing
+		}
+	})
+}
+
+const getModelValue = () => {
+	let value = props.modelValue || ''
+	try {
+		if (props.type === 'JSON' || typeof value === 'object') {
+			value = JSON.stringify(value, null, 2)
+		}
+	} catch (e) {
+		// do nothing
+	}
+	return value as string
+}
+
+function resetEditor(value: string, resetHistory = false) {
+	value = getModelValue()
+	aceEditor?.setValue(value)
+	aceEditor?.clearSelection()
+	aceEditor?.setTheme(isDark.value ? 'ace/theme/twilight' : 'ace/theme/chrome')
+	props.autofocus && aceEditor?.focus()
+	if (resetHistory) {
+		aceEditor?.session.getUndoManager().reset()
+	}
+}
+
+watch(isDark, () => {
+	aceEditor?.setTheme(isDark.value ? 'ace/theme/twilight' : 'ace/theme/chrome')
+})
+
+watch(
+	() => props.type,
+	() => {
+		setupEditor()
+	}
+)
+
+watch(
+	() => props.modelValue,
+	() => {
+		resetEditor(props.modelValue as string)
+	}
+)
+
+defineExpose({ resetEditor })
+</script>
+<style scoped>
+.editor .ace_editor {
+	height: 100%;
+	width: 100%;
+	border-radius: 5px;
+	overscroll-behavior: none;
+}
+.editor :deep(.ace_scrollbar-h) {
+	display: none;
+}
+.editor :deep(.ace_search) {
+	@apply dark:bg-gray-800 dark:text-gray-200;
+	@apply dark:border-gray-800;
+}
+.editor :deep(.ace_searchbtn) {
+	@apply dark:bg-gray-800 dark:text-gray-200;
+	@apply dark:border-gray-800;
+}
+.editor :deep(.ace_button) {
+	@apply dark:bg-gray-800 dark:text-gray-200;
+}
+
+.editor :deep(.ace_search_field) {
+	@apply dark:bg-gray-900 dark:text-gray-200;
+	@apply dark:border-gray-800;
+}
+</style>