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| 1 | +import { useState, useCallback, useMemo, memo } from "react"; |
| 2 | +import JsonView from "./JsonView"; |
| 3 | + |
| 4 | +interface ResourceLinkViewProps { |
| 5 | + uri: string; |
| 6 | + name?: string; |
| 7 | + description?: string; |
| 8 | + mimeType?: string; |
| 9 | + resourceContent: string; |
| 10 | + onReadResource?: (uri: string) => void; |
| 11 | +} |
| 12 | + |
| 13 | +const ResourceLinkView = memo( |
| 14 | + ({ |
| 15 | + uri, |
| 16 | + name, |
| 17 | + description, |
| 18 | + mimeType, |
| 19 | + resourceContent, |
| 20 | + onReadResource, |
| 21 | + }: ResourceLinkViewProps) => { |
| 22 | + const [{ expanded, loading }, setState] = useState({ |
| 23 | + expanded: false, |
| 24 | + loading: false, |
| 25 | + }); |
| 26 | + |
| 27 | + const expandedContent = useMemo( |
| 28 | + () => |
| 29 | + expanded && resourceContent ? ( |
| 30 | + <div className="mt-2"> |
| 31 | + <div className="flex justify-between items-center mb-1"> |
| 32 | + <span className="font-semibold text-green-600">Resource:</span> |
| 33 | + </div> |
| 34 | + <JsonView data={resourceContent} className="bg-background" /> |
| 35 | + </div> |
| 36 | + ) : null, |
| 37 | + [expanded, resourceContent], |
| 38 | + ); |
| 39 | + |
| 40 | + const handleClick = useCallback(() => { |
| 41 | + if (!onReadResource) return; |
| 42 | + if (!expanded) { |
| 43 | + setState((prev) => ({ ...prev, expanded: true, loading: true })); |
| 44 | + onReadResource(uri); |
| 45 | + setState((prev) => ({ ...prev, loading: false })); |
| 46 | + } else { |
| 47 | + setState((prev) => ({ ...prev, expanded: false })); |
| 48 | + } |
| 49 | + }, [expanded, onReadResource, uri]); |
| 50 | + |
| 51 | + const handleKeyDown = useCallback( |
| 52 | + (e: React.KeyboardEvent) => { |
| 53 | + if ((e.key === "Enter" || e.key === " ") && onReadResource) { |
| 54 | + e.preventDefault(); |
| 55 | + handleClick(); |
| 56 | + } |
| 57 | + }, |
| 58 | + [handleClick, onReadResource], |
| 59 | + ); |
| 60 | + |
| 61 | + return ( |
| 62 | + <div className="text-sm text-foreground bg-secondary py-2 px-3 rounded"> |
| 63 | + <div |
| 64 | + className="flex justify-between items-center cursor-pointer focus:outline-none focus-visible:ring-2 focus-visible:ring-blue-500 focus-visible:ring-offset-1 rounded" |
| 65 | + onClick={onReadResource ? handleClick : undefined} |
| 66 | + onKeyDown={onReadResource ? handleKeyDown : undefined} |
| 67 | + tabIndex={onReadResource ? 0 : -1} |
| 68 | + role="button" |
| 69 | + aria-expanded={expanded} |
| 70 | + aria-label={`${expanded ? "Collapse" : "Expand"} resource ${uri}`} |
| 71 | + > |
| 72 | + <div className="flex-1 min-w-0"> |
| 73 | + <div className="flex items-start justify-between gap-2 mb-1"> |
| 74 | + <span className="text-sm text-blue-600 dark:text-blue-400 hover:text-blue-800 dark:hover:text-blue-300 hover:underline px-1 py-0.5 break-all font-mono flex-1 min-w-0"> |
| 75 | + {uri} |
| 76 | + </span> |
| 77 | + <div className="flex items-center gap-2 flex-shrink-0"> |
| 78 | + {mimeType && ( |
| 79 | + <span className="inline-flex items-center px-2 py-1 rounded-full text-xs font-medium bg-blue-100 text-blue-800 dark:bg-blue-900 dark:text-blue-200"> |
| 80 | + {mimeType} |
| 81 | + </span> |
| 82 | + )} |
| 83 | + {onReadResource && ( |
| 84 | + <span className="ml-2 flex-shrink-0" aria-hidden="true"> |
| 85 | + {loading ? ( |
| 86 | + <div className="w-4 h-4 border-2 border-blue-500 border-t-transparent rounded-full animate-spin" /> |
| 87 | + ) : ( |
| 88 | + <span>{expanded ? "▼" : "▶"}</span> |
| 89 | + )} |
| 90 | + </span> |
| 91 | + )} |
| 92 | + </div> |
| 93 | + </div> |
| 94 | + {name && ( |
| 95 | + <div className="font-semibold text-sm text-gray-900 dark:text-gray-100 mb-1"> |
| 96 | + {name} |
| 97 | + </div> |
| 98 | + )} |
| 99 | + {description && ( |
| 100 | + <p className="text-sm text-gray-600 dark:text-gray-300 leading-relaxed"> |
| 101 | + {description} |
| 102 | + </p> |
| 103 | + )} |
| 104 | + </div> |
| 105 | + </div> |
| 106 | + {expandedContent} |
| 107 | + </div> |
| 108 | + ); |
| 109 | + }, |
| 110 | +); |
| 111 | + |
| 112 | +export default ResourceLinkView; |
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