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import gradio as gr
class DTCDisplay(gr.HTML):
"""Custom component for displaying Diagnostic Trouble Codes as cards"""
def __init__(self, value=None, **kwargs):
html_template = """
<div class="dtc-main">
<h3 class="dtc-title">🔧 Diagnostic Trouble Codes</h3>
<div class="dtc-wrapper">
${value && value.length > 0 ? `
<div class="dtc-container">
${value.map(dtc => {
const firstLetter = dtc.code.charAt(0).toUpperCase();
let cardClass = 'dtc-card';
let icon = '⚠️';
if (firstLetter === 'P') {
cardClass += ' dtc-powertrain';
icon = '⚙️';
} else if (firstLetter === 'C') {
cardClass += ' dtc-chassis';
icon = '🚗';
} else if (firstLetter === 'B') {
cardClass += ' dtc-body';
icon = '🔌';
} else if (firstLetter === 'U') {
cardClass += ' dtc-network';
icon = '📡';
}
return `<div class="${cardClass}">
<div class="dtc-header">
<div class="dtc-icon">${icon}</div>
<div class="dtc-code">${dtc.code}</div>
</div>
<div class="dtc-description">${dtc.description}</div>
</div>`;
}).join('')}
</div>
` : `
<div class="dtc-empty">✓ No fault codes detected</div>
`}
</div>
</div>
"""
css_template = """
.dtc-main {
width: 100%;
}
.dtc-title {
margin: 0 0 12px 0;
font-size: 18px;
font-weight: 600;
color: #333;
}
.dtc-wrapper {
width: 100%;
border: 1px solid #e0e0e0;
border-radius: 8px;
padding: 16px;
}
.dtc-container {
display: flex;
flex-wrap: wrap;
gap: 16px;
padding: 0;
justify-content: center;
}
.dtc-card {
border-radius: 8px;
padding: 10px 12px;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
min-width: 140px;
max-width: 190px;
flex: 1 1 auto;
display: flex;
flex-direction: column;
gap: 8px;
transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.dtc-card:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}
/* Powertrain - Orange/Amber */
.dtc-powertrain {
background: linear-gradient(135deg, #ffa726 0%, #ff9800 100%);
}
/* Chassis - Blue */
.dtc-chassis {
background: linear-gradient(135deg, #42a5f5 0%, #2196f3 100%);
}
/* Body - Purple */
.dtc-body {
background: linear-gradient(135deg, #ab47bc 0%, #9c27b0 100%);
}
/* Network - Green */
.dtc-network {
background: linear-gradient(135deg, #66bb6a 0%, #4caf50 100%);
}
.dtc-header {
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
}
.dtc-icon {
font-size: 26px;
filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.15));
}
.dtc-code {
font-size: 14px;
font-weight: bold;
color: white;
font-family: 'Courier New', monospace;
letter-spacing: 1px;
text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.dtc-description {
font-size: 13px;
color: rgba(255, 255, 255, 0.95);
text-align: center;
line-height: 1.4;
}
.dtc-empty {
color: #4caf50;
font-weight: 500;
text-align: center;
padding: 24px;
font-size: 15px;
}
"""
super().__init__(
value=value or [],
html_template=html_template,
css_template=css_template,
**kwargs
)
# Example usage:
# dtc_display = DTCDisplay(value=[{'code': 'P0420', 'description': 'Catalyst System Efficiency Below Threshold'}, {'
# 'code': 'C1234', 'description': 'Wheel Speed Sensor Malfunction'}])
# To update the DTCDisplay component with actual DTCs, you can use it like this:
# dtc_display.update(value=[
# {"code": "P0420", "description": "Catalyst System Efficiency Below Threshold"},
# {"code": "P0103", "description": "Mass Air Flow Circuit High Input"},
# {"code": "P0171", "description": "System Too Lean (Bank 1)"}
# ])
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