index.tsx
6.86 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
import React, { useCallback, useState } from 'react';
import { Button } from '../../ui/button';
import { ArrowLeft, Save, Download } from 'lucide-react';
import {
Dialog,
DialogContent,
DialogHeader,
DialogTitle,
} from '../../ui/dialog';
import {
Select,
SelectContent,
SelectItem,
SelectTrigger,
SelectValue,
} from '../../ui/select';
import type { LabelTemplate, LabelElement } from '../../../types/labelTemplate';
import { createDefaultTemplate, createDefaultElement } from '../../../types/labelTemplate';
import { ElementsPanel } from './ElementsPanel';
import { LabelCanvas, LabelPreviewOnly } from './LabelCanvas';
import { PropertiesPanel } from './PropertiesPanel';
import { saveTemplate } from '../../../lib/labelTemplateStorage';
import { PRESET_TEMPLATES, presetToTemplate } from '../../../lib/presetLabelTemplates';
const MIN_SCALE = 0.5;
const MAX_SCALE = 2;
const SCALE_STEP = 0.25;
const DEFAULT_SCALE = 1.0;
interface LabelTemplateEditorProps {
/** null = 新建，string = 编辑该 id */
templateId: string | null;
initialTemplate: LabelTemplate | null;
onClose: () => void;
onSaved: () => void;
}
export function LabelTemplateEditor({
templateId,
initialTemplate,
onClose,
onSaved,
}: LabelTemplateEditorProps) {
const [template, setTemplate] = useState<LabelTemplate>(() => {
if (initialTemplate) return { ...initialTemplate };
return createDefaultTemplate(templateId ?? undefined);
});
const [selectedId, setSelectedId] = useState<string | null>(null);
const [scale, setScale] = useState(DEFAULT_SCALE);
const [previewOpen, setPreviewOpen] = useState(false);
const selectedElement = template.elements.find((el) => el.id === selectedId) ?? null;
const addElement = useCallback((
type: Parameters<typeof createDefaultElement>[0],
configOverride?: Partial<Record<string, unknown>>
) => {
const el = createDefaultElement(type, 30, 30);
if (configOverride && Object.keys(configOverride).length > 0) {
el.config = { ...el.config, ...configOverride };
}
setTemplate((prev) => ({
...prev,
elements: [...prev.elements, el],
}));
setSelectedId(el.id);
}, []);
const updateElement = useCallback((id: string, patch: Partial<LabelElement>) => {
setTemplate((prev) => ({
...prev,
elements: prev.elements.map((el) =>
el.id === id ? { ...el, ...patch } : el
),
}));
}, []);
const deleteElement = useCallback((id: string) => {
setTemplate((prev) => ({
...prev,
elements: prev.elements.filter((el) => el.id !== id),
}));
setSelectedId(null);
}, []);
const handleTemplateChange = useCallback((patch: Partial<LabelTemplate>) => {
setTemplate((prev) => ({ ...prev, ...patch }));
}, []);
const handleSave = useCallback(() => {
saveTemplate(template);
onSaved();
onClose();
}, [template, onSaved, onClose]);
const handleExport = useCallback(() => {
const blob = new Blob([JSON.stringify(template, null, 2)], {
type: 'application/json',
});
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `label-template-${template.id}.json`;
a.click();
URL.revokeObjectURL(url);
}, [template]);
const [presetSelectValue, setPresetSelectValue] = useState('none');
const handleApplyPreset = useCallback((index: string) => {
if (index === 'none') return;
const idx = parseInt(index, 10);
if (isNaN(idx) || idx < 0 || idx >= PRESET_TEMPLATES.length) return;
const preset = PRESET_TEMPLATES[idx];
const newTemplate = presetToTemplate(preset, template.id);
setTemplate(newTemplate);
setSelectedId(null);
setPresetSelectValue('none');
}, [template.id]);
return (
<div className="label-template-editor flex flex-col h-full min-h-0 bg-gray-50">
{/* Toolbar */}
<div className="flex items-center gap-3 px-4 py-2.5 border-b border-gray-200 bg-white shrink-0">
<Button variant="outline" size="sm" onClick={onClose} className="border-gray-200 bg-white hover:bg-gray-50">
<ArrowLeft className="w-4 h-4 mr-1" />
Back
</Button>
<span className="text-sm font-medium text-gray-800 truncate flex-1">
{template.name}
</span>
<Select value={presetSelectValue} onValueChange={(v) => { setPresetSelectValue(v); handleApplyPreset(v); }}>
<SelectTrigger className="w-[200px] h-8 text-xs bg-white border-gray-200">
<SelectValue placeholder="Load preset template" />
</SelectTrigger>
<SelectContent>
<SelectItem value="none">Load preset template</SelectItem>
{PRESET_TEMPLATES.map((p, i) => (
<SelectItem key={i} value={String(i)}>
{p.name}
</SelectItem>
))}
</SelectContent>
</Select>
<Button size="sm" onClick={handleExport} variant="outline" className="border-gray-200 bg-white hover:bg-gray-50">
<Download className="w-4 h-4 mr-1" />
Export JSON
</Button>
<Button
size="sm"
className="bg-[#1e3a8a] text-white hover:bg-[#1e3a8a]/90 shrink-0"
onClick={handleSave}
>
<Save className="w-4 h-4 mr-1" />
Save
</Button>
</div>
{/* Three columns - items-stretch ensures canvas bottom aligns with Elements bottom */}
<div className="flex flex-1 min-h-0 gap-0 items-stretch">
<div className="flex-shrink-0 flex flex-col">
<ElementsPanel onAddElement={addElement} />
</div>
<div className="flex-1 min-w-0 min-h-0 border-x border-gray-200 bg-gray-100/50 flex flex-col">
<LabelCanvas
template={template}
selectedId={selectedId}
onSelect={setSelectedId}
onUpdateElement={updateElement}
onDeleteElement={deleteElement}
onTemplateChange={handleTemplateChange}
scale={scale}
onZoomIn={() => setScale((s) => Math.min(MAX_SCALE, s + SCALE_STEP))}
onZoomOut={() => setScale((s) => Math.max(MIN_SCALE, s - SCALE_STEP))}
onPreview={() => setPreviewOpen(true)}
/>
</div>
<Dialog open={previewOpen} onOpenChange={setPreviewOpen}>
<DialogContent className="max-w-[90vw] max-h-[90vh] overflow-auto">
<DialogHeader>
<DialogTitle>Label Preview</DialogTitle>
</DialogHeader>
<LabelPreviewOnly template={template} maxWidth={500} />
</DialogContent>
</Dialog>
<div className="flex-shrink-0 flex flex-col" style={{ width: 288 }}>
<PropertiesPanel
template={template}
selectedElement={selectedElement}
onTemplateChange={handleTemplateChange}
onElementChange={updateElement}
onDeleteElement={deleteElement}
/>
</div>
</div>
</div>
);
}